]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_alias.c
renamed varray_ arrays to rsurface_array_, and they are no longer used outside the...
[xonotic/darkplaces.git] / model_alias.c
index 6247e5b64162b89f3c86b0ecffe6171fbd503812..d36e737ad6f4d23d7467fc9f310aff0379820e62 100644 (file)
@@ -19,86 +19,327 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 #include "quakedef.h"
+#include "image.h"
+#include "r_shadow.h"
 
-static cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0"};
+cvar_t r_skeletal_debugbone = {0, "r_skeletal_debugbone", "-1", "development cvar for testing skeletal model code"};
+cvar_t r_skeletal_debugbonecomponent = {0, "r_skeletal_debugbonecomponent", "3", "development cvar for testing skeletal model code"};
+cvar_t r_skeletal_debugbonevalue = {0, "r_skeletal_debugbonevalue", "100", "development cvar for testing skeletal model code"};
+cvar_t r_skeletal_debugtranslatex = {0, "r_skeletal_debugtranslatex", "1", "development cvar for testing skeletal model code"};
+cvar_t r_skeletal_debugtranslatey = {0, "r_skeletal_debugtranslatey", "1", "development cvar for testing skeletal model code"};
+cvar_t r_skeletal_debugtranslatez = {0, "r_skeletal_debugtranslatez", "1", "development cvar for testing skeletal model code"};
 
 void Mod_AliasInit (void)
 {
-       Cvar_RegisterVariable(&r_mipskins);
+       Cvar_RegisterVariable(&r_skeletal_debugbone);
+       Cvar_RegisterVariable(&r_skeletal_debugbonecomponent);
+       Cvar_RegisterVariable(&r_skeletal_debugbonevalue);
+       Cvar_RegisterVariable(&r_skeletal_debugtranslatex);
+       Cvar_RegisterVariable(&r_skeletal_debugtranslatey);
+       Cvar_RegisterVariable(&r_skeletal_debugtranslatez);
 }
 
-// LordHavoc: proper bounding box considerations
-static float aliasbboxmin[3], aliasbboxmax[3], modelyawradius, modelradius;
+void Mod_Alias_GetMesh_Vertex3f(const model_t *model, const frameblend_t *frameblend, const surfmesh_t *mesh, float *out3f)
+{
+       if (mesh->num_vertexboneweights)
+       {
+               int i, k, blends;
+               surfmeshvertexboneweight_t *v;
+               float *out, *matrix, m[12], bonepose[256][12];
+               // vertex weighted skeletal
+               // interpolate matrices and concatenate them to their parents
+               for (i = 0;i < model->num_bones;i++)
+               {
+                       for (k = 0;k < 12;k++)
+                               m[k] = 0;
+                       for (blends = 0;blends < 4 && frameblend[blends].lerp > 0;blends++)
+                       {
+                               matrix = model->data_poses + (frameblend[blends].frame * model->num_bones + i) * 12;
+                               for (k = 0;k < 12;k++)
+                                       m[k] += matrix[k] * frameblend[blends].lerp;
+                       }
+                       if (i == r_skeletal_debugbone.integer)
+                               m[r_skeletal_debugbonecomponent.integer % 12] += r_skeletal_debugbonevalue.value;
+                       m[3] *= r_skeletal_debugtranslatex.value;
+                       m[7] *= r_skeletal_debugtranslatey.value;
+                       m[11] *= r_skeletal_debugtranslatez.value;
+                       if (model->data_bones[i].parent >= 0)
+                               R_ConcatTransforms(bonepose[model->data_bones[i].parent], m, bonepose[i]);
+                       else
+                               for (k = 0;k < 12;k++)
+                                       bonepose[i][k] = m[k];
+               }
+               // blend the vertex bone weights
+               memset(out3f, 0, mesh->num_vertices * sizeof(float[3]));
+               v = mesh->data_vertexboneweights;
+               for (i = 0;i < mesh->num_vertexboneweights;i++, v++)
+               {
+                       out = out3f + v->vertexindex * 3;
+                       matrix = bonepose[v->boneindex];
+                       // FIXME: this can very easily be optimized with SSE or 3DNow
+                       out[0] += v->origin[0] * matrix[0] + v->origin[1] * matrix[1] + v->origin[2] * matrix[ 2] + v->origin[3] * matrix[ 3];
+                       out[1] += v->origin[0] * matrix[4] + v->origin[1] * matrix[5] + v->origin[2] * matrix[ 6] + v->origin[3] * matrix[ 7];
+                       out[2] += v->origin[0] * matrix[8] + v->origin[1] * matrix[9] + v->origin[2] * matrix[10] + v->origin[3] * matrix[11];
+               }
+       }
+       else
+       {
+               int i, vertcount;
+               float lerp1, lerp2, lerp3, lerp4;
+               const float *vertsbase, *verts1, *verts2, *verts3, *verts4;
+               // vertex morph
+               if (!mesh->data_morphvertex3f)
+                       Host_Error("model %s has no skeletal or vertex morph animation data", model->name);
+               vertsbase = mesh->data_morphvertex3f;
+               vertcount = mesh->num_vertices;
+               verts1 = vertsbase + frameblend[0].frame * vertcount * 3;
+               lerp1 = frameblend[0].lerp;
+               if (frameblend[1].lerp)
+               {
+                       verts2 = vertsbase + frameblend[1].frame * vertcount * 3;
+                       lerp2 = frameblend[1].lerp;
+                       if (frameblend[2].lerp)
+                       {
+                               verts3 = vertsbase + frameblend[2].frame * vertcount * 3;
+                               lerp3 = frameblend[2].lerp;
+                               if (frameblend[3].lerp)
+                               {
+                                       verts4 = vertsbase + frameblend[3].frame * vertcount * 3;
+                                       lerp4 = frameblend[3].lerp;
+                                       for (i = 0;i < vertcount * 3;i++)
+                                               VectorMAMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, lerp4, verts4 + i, out3f + i);
+                               }
+                               else
+                                       for (i = 0;i < vertcount * 3;i++)
+                                               VectorMAMAM(lerp1, verts1 + i, lerp2, verts2 + i, lerp3, verts3 + i, out3f + i);
+                       }
+                       else
+                               for (i = 0;i < vertcount * 3;i++)
+                                       VectorMAM(lerp1, verts1 + i, lerp2, verts2 + i, out3f + i);
+               }
+               else
+                       memcpy(out3f, verts1, vertcount * sizeof(float[3]));
+       }
+}
+
+int Mod_Alias_GetTagMatrix(const model_t *model, int poseframe, int tagindex, matrix4x4_t *outmatrix)
+{
+       const float *boneframe;
+       float tempbonematrix[12], bonematrix[12];
+       *outmatrix = identitymatrix;
+       if (model->num_bones)
+       {
+               if (tagindex < 0 || tagindex >= model->num_bones)
+                       return 4;
+               if (poseframe >= model->num_poses)
+                       return 6;
+               boneframe = model->data_poses + poseframe * model->num_bones * 12;
+               memcpy(bonematrix, boneframe + tagindex * 12, sizeof(float[12]));
+               while (model->data_bones[tagindex].parent >= 0)
+               {
+                       memcpy(tempbonematrix, bonematrix, sizeof(float[12]));
+                       R_ConcatTransforms(boneframe + model->data_bones[tagindex].parent * 12, tempbonematrix, bonematrix);
+                       tagindex = model->data_bones[tagindex].parent;
+               }
+               outmatrix->m[0][0] = bonematrix[0];
+               outmatrix->m[0][1] = bonematrix[1];
+               outmatrix->m[0][2] = bonematrix[2];
+               outmatrix->m[0][3] = bonematrix[3];
+               outmatrix->m[1][0] = bonematrix[4];
+               outmatrix->m[1][1] = bonematrix[5];
+               outmatrix->m[1][2] = bonematrix[6];
+               outmatrix->m[1][3] = bonematrix[7];
+               outmatrix->m[2][0] = bonematrix[8];
+               outmatrix->m[2][1] = bonematrix[9];
+               outmatrix->m[2][2] = bonematrix[10];
+               outmatrix->m[2][3] = bonematrix[11];
+               outmatrix->m[3][0] = 0;
+               outmatrix->m[3][1] = 0;
+               outmatrix->m[3][2] = 0;
+               outmatrix->m[3][3] = 1;
+       }
+       else if (model->num_tags)
+       {
+               if (tagindex < 0 || tagindex >= model->num_tags)
+                       return 4;
+               if (poseframe >= model->num_tagframes)
+                       return 6;
+               *outmatrix = model->data_tags[poseframe * model->num_tags + tagindex].matrix;
+       }
+       return 0;
+}
 
-static float vertst[MAXALIASVERTS][2];
-static int vertusage[MAXALIASVERTS];
-static int vertonseam[MAXALIASVERTS];
-static int vertremap[MAXALIASVERTS];
-static int temptris[MAXALIASTRIS][3];
+int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
+{
+       int i;
+       if (model->data_overridetagnamesforskin && skin < (unsigned int)model->numskins && model->data_overridetagnamesforskin[(unsigned int)skin].num_overridetagnames)
+               for (i = 0;i < model->data_overridetagnamesforskin[skin].num_overridetagnames;i++)
+                       if (!strcasecmp(tagname, model->data_overridetagnamesforskin[skin].data_overridetagnames[i].name))
+                               return i + 1;
+       if (model->num_bones)
+               for (i = 0;i < model->num_bones;i++)
+                       if (!strcasecmp(tagname, model->data_bones[i].name))
+                               return i + 1;
+       if (model->num_tags)
+               for (i = 0;i < model->num_tags;i++)
+                       if (!strcasecmp(tagname, model->data_tags[i].name))
+                               return i + 1;
+       return 0;
+}
+
+static void Mod_Alias_Mesh_CompileFrameZero(surfmesh_t *mesh)
+{
+       frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
+       mesh->data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[3][4]));
+       mesh->data_svector3f = mesh->data_vertex3f + mesh->num_vertices * 3;
+       mesh->data_tvector3f = mesh->data_vertex3f + mesh->num_vertices * 6;
+       mesh->data_normal3f = mesh->data_vertex3f + mesh->num_vertices * 9;
+       Mod_Alias_GetMesh_Vertex3f(loadmodel, frameblend, mesh, mesh->data_vertex3f);
+       Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, mesh->data_vertex3f, mesh->data_texcoordtexture2f, mesh->data_element3i, mesh->data_svector3f, mesh->data_tvector3f, mesh->data_normal3f, true);
+}
+
+static void Mod_MDLMD2MD3_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
+{
+       int i;
+       float segmentmins[3], segmentmaxs[3];
+       frameblend_t frameblend[4];
+       msurface_t *surface;
+       surfmesh_t *mesh;
+       static int maxvertices = 0;
+       static float *vertex3f = NULL;
+       memset(trace, 0, sizeof(*trace));
+       trace->fraction = 1;
+       trace->realfraction = 1;
+       trace->hitsupercontentsmask = hitsupercontentsmask;
+       memset(frameblend, 0, sizeof(frameblend));
+       frameblend[0].frame = frame;
+       frameblend[0].lerp = 1;
+       if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
+       {
+               // line trace
+               segmentmins[0] = min(start[0], end[0]) - 1;
+               segmentmins[1] = min(start[1], end[1]) - 1;
+               segmentmins[2] = min(start[2], end[2]) - 1;
+               segmentmaxs[0] = max(start[0], end[0]) + 1;
+               segmentmaxs[1] = max(start[1], end[1]) + 1;
+               segmentmaxs[2] = max(start[2], end[2]) + 1;
+               for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
+               {
+                       mesh = surface->groupmesh;
+                       if (maxvertices < mesh->num_vertices)
+                       {
+                               if (vertex3f)
+                                       Z_Free(vertex3f);
+                               maxvertices = (mesh->num_vertices + 255) & ~255;
+                               vertex3f = Z_Malloc(maxvertices * sizeof(float[3]));
+                       }
+                       Mod_Alias_GetMesh_Vertex3f(model, frameblend, mesh, vertex3f);
+                       Collision_TraceLineTriangleMeshFloat(trace, start, end, mesh->num_triangles, mesh->data_element3i, vertex3f, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
+               }
+       }
+       else
+       {
+               // box trace, performed as brush trace
+               colbrushf_t *thisbrush_start, *thisbrush_end;
+               vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
+               segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
+               segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
+               segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
+               segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
+               segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
+               segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
+               VectorAdd(start, boxmins, boxstartmins);
+               VectorAdd(start, boxmaxs, boxstartmaxs);
+               VectorAdd(end, boxmins, boxendmins);
+               VectorAdd(end, boxmaxs, boxendmaxs);
+               thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs);
+               thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs);
+               for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
+               {
+                       mesh = surface->groupmesh;
+                       if (maxvertices < mesh->num_vertices)
+                       {
+                               if (vertex3f)
+                                       Z_Free(vertex3f);
+                               maxvertices = (mesh->num_vertices + 255) & ~255;
+                               vertex3f = Z_Malloc(maxvertices * sizeof(float[3]));
+                       }
+                       Mod_Alias_GetMesh_Vertex3f(model, frameblend, mesh, vertex3f);
+                       Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, mesh->num_triangles, mesh->data_element3i, vertex3f, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
+               }
+       }
+}
+
+static void Mod_CalcAliasModelBBoxes (void)
+{
+       int vnum, meshnum;
+       float dist, yawradius, radius;
+       surfmesh_t *mesh;
+       float *v;
+       VectorClear(loadmodel->normalmins);
+       VectorClear(loadmodel->normalmaxs);
+       yawradius = 0;
+       radius = 0;
+       for (meshnum = 0;meshnum < loadmodel->num_surfaces;meshnum++)
+       {
+               mesh = loadmodel->meshlist[meshnum];
+               for (vnum = 0, v = mesh->data_morphvertex3f;vnum < mesh->num_vertices * mesh->num_morphframes;vnum++, v += 3)
+               {
+                       if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
+                       if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
+                       if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
+                       if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
+                       if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
+                       if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
+                       dist = v[0] * v[0] + v[1] * v[1];
+                       if (yawradius < dist)
+                               yawradius = dist;
+                       dist += v[2] * v[2];
+                       if (radius < dist)
+                               radius = dist;
+               }
+       }
+       radius = sqrt(radius);
+       yawradius = sqrt(yawradius);
+       loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
+       loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
+       loadmodel->yawmins[2] = loadmodel->normalmins[2];
+       loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
+       loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
+       loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
+       loadmodel->radius = radius;
+       loadmodel->radius2 = radius * radius;
+}
 
-static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, trivertx_t *out)
+static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)
 {
-       int i, j, invalidnormals = 0;
-       float dist;
+       int i, j;
        vec3_t temp;
        for (i = 0;i < inverts;i++)
        {
                if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
                        continue;
-
                temp[0] = v[i].v[0] * scale[0] + translate[0];
                temp[1] = v[i].v[1] * scale[1] + translate[1];
                temp[2] = v[i].v[2] * scale[2] + translate[2];
-               // update bounding box
-               if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
-               if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
-               if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
-               if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
-               if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
-               if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
-               dist = temp[0]*temp[0]+temp[1]*temp[1];
-               if (modelyawradius < dist)
-                       modelyawradius = dist;
-               dist += temp[2]*temp[2];
-               if (modelradius < dist)
-                       modelradius = dist;
-
                j = vertremap[i]; // not onseam
                if (j >= 0)
-               {
-                       VectorCopy(v[i].v, out[j].v);
-                       out[j].lightnormalindex = v[i].lightnormalindex;
-                       if (out[j].lightnormalindex >= NUMVERTEXNORMALS)
-                       {
-                               invalidnormals++;
-                               out[j].lightnormalindex = 0;
-                       }
-               }
+                       VectorCopy(temp, out3f + j * 3);
                j = vertremap[i+inverts]; // onseam
                if (j >= 0)
-               {
-                       VectorCopy(v[i].v, out[j].v);
-                       out[j].lightnormalindex = v[i].lightnormalindex;
-                       if (out[j].lightnormalindex >= NUMVERTEXNORMALS)
-                       {
-                               invalidnormals++;
-                               out[j].lightnormalindex = 0;
-                       }
-               }
+                       VectorCopy(temp, out3f + j * 3);
        }
-       if (invalidnormals)
-               Con_Printf("Mod_ConvertAliasVerts: \"%s\", %i invalid normal indices found\n", loadmodel->name, invalidnormals);
 }
 
-static void Mod_MDL_LoadFrames (qbyte * datapointer, int inverts, int outverts, vec3_t scale, vec3_t translate)
+static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, vec3_t scale, vec3_t translate, int *vertremap)
 {
-       daliasframetype_t       *pframetype;
-       daliasframe_t           *pinframe;
-       daliasgroup_t           *group;
-       daliasinterval_t        *intervals;
-       int                                     i, f, pose, groupframes;
-       float                           interval;
-       animscene_t                     *scene;
+       int i, f, pose, groupframes;
+       float interval;
+       daliasframetype_t *pframetype;
+       daliasframe_t *pinframe;
+       daliasgroup_t *group;
+       daliasinterval_t *intervals;
+       animscene_t *scene;
        pose = 0;
        scene = loadmodel->animscenes;
        for (f = 0;f < loadmodel->numframes;f++)
@@ -124,7 +365,10 @@ static void Mod_MDL_LoadFrames (qbyte * datapointer, int inverts, int outverts,
 
                        interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
                        if (interval < 0.01f)
-                               Host_Error("Mod_LoadAliasGroup: invalid interval");
+                       {
+                               Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
+                               interval = 0.1f;
+                       }
                }
 
                // get scene name from first frame
@@ -142,131 +386,108 @@ static void Mod_MDL_LoadFrames (qbyte * datapointer, int inverts, int outverts,
                {
                        pinframe = (daliasframe_t *)datapointer;
                        datapointer += sizeof(daliasframe_t);
-
-                       // convert to MD2 frame headers
-                       strcpy(loadmodel->mdlmd2data_frames[pose].name, pinframe->name);
-                       VectorCopy(scale, loadmodel->mdlmd2data_frames[pose].scale);
-                       VectorCopy(translate, loadmodel->mdlmd2data_frames[pose].translate);
-
-                       Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->mdlmd2data_pose + pose * outverts);
+                       Mod_ConvertAliasVerts(inverts, scale, translate, (trivertx_t *)datapointer, loadmodel->meshlist[0]->data_morphvertex3f + pose * loadmodel->meshlist[0]->num_vertices * 3, vertremap);
                        datapointer += sizeof(trivertx_t) * inverts;
                        pose++;
                }
        }
 }
 
-static rtexture_t *GL_SkinSplitShirt(qbyte *in, qbyte *out, int width, int height, int bits, char *name, int precache)
+static skinframe_t missingskinframe;
+static void Mod_BuildAliasSkinFromSkinFrame(texture_t *skin, skinframe_t *skinframe)
 {
-       int i, pixels, passed;
-       qbyte pixeltest[16];
-       for (i = 0;i < 16;i++)
-               pixeltest[i] = (bits & (1 << i)) != 0;
-       pixels = width*height;
-       passed = 0;
-       while(pixels--)
-       {
-               if (pixeltest[*in >> 4] && *in != 0 && *in != 255)
-               {
-                       passed++;
-                       // turn to white while copying
-                       if (*in >= 128 && *in < 224) // backwards ranges
-                               *out = (*in & 15) ^ 15;
-                       else
-                               *out = *in & 15;
-               }
-               else
-                       *out = 0;
-               in++;
-               out++;
+       // hack
+       if (skinframe == NULL)
+       {
+               skinframe = &missingskinframe;
+               memset(skinframe, 0, sizeof(*skinframe));
+               skinframe->base = r_texture_notexture;
        }
-       if (passed)
-               return R_LoadTexture (loadmodel->texturepool, name, width, height, out - width*height, TEXTYPE_QPALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
-       else
-               return NULL;
+
+       skin->skin = *skinframe;
+       skin->currentframe = skin;
+       skin->basematerialflags = MATERIALFLAG_WALL;
+       if (skin->skin.fog)
+               skin->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
+       skin->currentmaterialflags = skin->basematerialflags;
 }
 
-static rtexture_t *GL_SkinSplit(qbyte *in, qbyte *out, int width, int height, int bits, char *name, int precache)
+static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, char *meshname, char *shadername)
 {
-       int i, pixels, passed;
-       qbyte pixeltest[16];
-       for (i = 0;i < 16;i++)
-               pixeltest[i] = (bits & (1 << i)) != 0;
-       pixels = width*height;
-       passed = 0;
-       while(pixels--)
+       int i;
+       skinfileitem_t *skinfileitem;
+       skinframe_t tempskinframe;
+       if (skinfile)
        {
-               if (pixeltest[*in >> 4] && *in != 0 && *in != 255)
+               // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
+               for (i = 0;skinfile;skinfile = skinfile->next, i++, skin += loadmodel->num_surfaces)
                {
-                       passed++;
-                       *out = *in;
+                       memset(skin, 0, sizeof(*skin));
+                       for (skinfileitem = skinfile->items;skinfileitem;skinfileitem = skinfileitem->next)
+                       {
+                               // leave the skin unitialized (nodraw) if the replacement is "common/nodraw" or "textures/common/nodraw"
+                               if (!strcmp(skinfileitem->name, meshname) && strcmp(skinfileitem->replacement, "common/nodraw") && strcmp(skinfileitem->replacement, "textures/common/nodraw"))
+                               {
+                                       memset(&tempskinframe, 0, sizeof(tempskinframe));
+                                       if (Mod_LoadSkinFrame(&tempskinframe, skinfileitem->replacement, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
+                                               Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
+                                       else
+                                       {
+                                               if (cls.state != ca_dedicated)
+                                                       Con_Printf("mesh \"%s\": failed to load skin #%i \"%s\", falling back to mesh's internal shader name \"%s\"\n", meshname, i, skinfileitem->replacement, shadername);
+                                               if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
+                                                       Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
+                                               else
+                                               {
+                                                       if (cls.state != ca_dedicated)
+                                                               Con_Printf("failed to load skin \"%s\"\n", shadername);
+                                                       Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
+                                               }
+                                       }
+                               }
+                       }
                }
-               else
-                       *out = 0;
-               in++;
-               out++;
-       }
-       if (passed)
-               return R_LoadTexture (loadmodel->texturepool, name, width, height, out - width*height, TEXTYPE_QPALETTE, (r_mipskins.integer ? TEXF_MIPMAP : 0) | (precache ? TEXF_PRECACHE : 0));
-       else
-               return NULL;
-}
-
-static void Mod_LoadSkin (char *basename, qbyte *skindata, qbyte *skintemp, int width, int height, skinframe_t *skinframe, int precache)
-{
-       skinframe->base   = loadtextureimagewithmask(loadmodel->texturepool, va("%s_normal", basename), 0, 0, false, r_mipskins.integer, precache);
-       skinframe->fog    = image_masktex;
-       skinframe->pants  = NULL;
-       skinframe->shirt  = NULL;
-       skinframe->glow   = loadtextureimage(loadmodel->texturepool, va("%s_glow"  , basename), 0, 0, false, r_mipskins.integer, precache);
-       skinframe->merged = NULL;
-       if (skinframe->base)
-       {
-               skinframe->pants  = loadtextureimage(loadmodel->texturepool, va("%s_pants" , basename), 0, 0, false, r_mipskins.integer, precache);
-               skinframe->shirt  = loadtextureimage(loadmodel->texturepool, va("%s_shirt" , basename), 0, 0, false, r_mipskins.integer, precache);
        }
        else
        {
-               skinframe->base   = loadtextureimagewithmask(loadmodel->texturepool, basename, 0, 0, false, true, true);
-               skinframe->fog    = image_masktex;
-               if (!skinframe->base)
+               memset(&tempskinframe, 0, sizeof(tempskinframe));
+               if (Mod_LoadSkinFrame(&tempskinframe, shadername, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
+                       Mod_BuildAliasSkinFromSkinFrame(skin, &tempskinframe);
+               else
                {
-                       skinframe->pants  = GL_SkinSplitShirt(skindata, skintemp, width, height, 0x0040, va("%s_pants", basename), false); // pants
-                       skinframe->shirt  = GL_SkinSplitShirt(skindata, skintemp, width, height, 0x0002, va("%s_shirt", basename), false); // shirt
-                       skinframe->glow   = GL_SkinSplit     (skindata, skintemp, width, height, 0xC000, va("%s_glow", basename), precache); // glow
-                       if (skinframe->pants || skinframe->shirt)
-                       {
-                               skinframe->base   = GL_SkinSplit (skindata, skintemp, width, height, 0x3FBD, va("%s_normal", basename), false); // normal (no special colors)
-                               skinframe->merged = GL_SkinSplit (skindata, skintemp, width, height, 0x3FFF, va("%s_body", basename), precache); // body (normal + pants + shirt, but not glow)
-                       }
-                       else
-                               skinframe->base   = GL_SkinSplit (skindata, skintemp, width, height, 0x3FFF, va("%s_base", basename), precache); // no special colors
-                       // quake model skins don't have alpha
-                       skinframe->fog = NULL;
+                       if (cls.state != ca_dedicated)
+                               Con_Printf("Can't find texture \"%s\" for mesh \"%s\", using grey checkerboard\n", shadername, meshname);
+                       Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
                }
        }
 }
 
-#define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)\n", loadmodel->name, VALUE, MIN, MAX);
-#define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)\n", loadmodel->name, VALUE, MIN, MAX);
-void Mod_LoadAliasModel (model_t *mod, void *buffer)
+#define BOUNDI(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%d exceeds %d - %d)", loadmodel->name, VALUE, MIN, MAX);
+#define BOUNDF(VALUE,MIN,MAX) if (VALUE < MIN || VALUE >= MAX) Host_Error("model %s has an invalid ##VALUE (%f exceeds %f - %f)", loadmodel->name, VALUE, MIN, MAX);
+void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
 {
-       int                                             i, j, version, numverts, totalposes, totalskins, skinwidth, skinheight, totalverts, groupframes, groupskins;
-       mdl_t                                   *pinmodel;
-       stvert_t                                *pinstverts;
-       dtriangle_t                             *pintriangles;
-       daliasskintype_t                *pinskintype;
-       daliasskingroup_t               *pinskingroup;
-       daliasskininterval_t    *pinskinintervals;
-       daliasframetype_t               *pinframetype;
-       daliasgroup_t                   *pinframegroup;
-       float                                   scales, scalet, scale[3], translate[3], interval;
-       qbyte                                   *datapointer, *startframes, *startskins;
-       char                                    name[MAX_QPATH];
-       qbyte                                   *skintemp = NULL;
-       modelyawradius = 0;
-       modelradius = 0;
-
-       datapointer = buffer;
+       int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
+       float scales, scalet, scale[3], translate[3], interval;
+       msurface_t *surface;
+       unsigned char *data;
+       mdl_t *pinmodel;
+       stvert_t *pinstverts;
+       dtriangle_t *pintriangles;
+       daliasskintype_t *pinskintype;
+       daliasskingroup_t *pinskingroup;
+       daliasskininterval_t *pinskinintervals;
+       daliasframetype_t *pinframetype;
+       daliasgroup_t *pinframegroup;
+       unsigned char *datapointer, *startframes, *startskins;
+       char name[MAX_QPATH];
+       skinframe_t tempskinframe;
+       animscene_t *tempskinscenes;
+       texture_t *tempaliasskins;
+       float *vertst;
+       int *vertonseam, *vertremap;
+       skinfile_t *skinfiles;
+
+       datapointer = (unsigned char *)buffer;
        pinmodel = (mdl_t *)datapointer;
        datapointer += sizeof(mdl_t);
 
@@ -276,21 +497,39 @@ void Mod_LoadAliasModel (model_t *mod, void *buffer)
                                 loadmodel->name, version, ALIAS_VERSION);
 
        loadmodel->type = mod_alias;
-       loadmodel->aliastype = ALIASTYPE_MDLMD2;
+       loadmodel->DrawSky = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+       loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+       loadmodel->DrawLight = R_Q1BSP_DrawLight;
+       loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
+
+       loadmodel->num_surfaces = 1;
+       loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
+       loadmodel->nummeshes = loadmodel->num_surfaces;
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t));
+       loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+       loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
+       loadmodel->meshlist = (surfmesh_t **)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
+       for (i = 0;i < loadmodel->num_surfaces;i++)
+       {
+               loadmodel->surfacelist[i] = i;
+               loadmodel->meshlist[i] = (surfmesh_t *)data;data += sizeof(surfmesh_t);
+       }
 
        loadmodel->numskins = LittleLong(pinmodel->numskins);
-       BOUNDI(loadmodel->numskins,0,256);
+       BOUNDI(loadmodel->numskins,0,65536);
        skinwidth = LittleLong (pinmodel->skinwidth);
-       BOUNDI(skinwidth,0,4096);
+       BOUNDI(skinwidth,0,65536);
        skinheight = LittleLong (pinmodel->skinheight);
-       BOUNDI(skinheight,0,4096);
-       loadmodel->numverts = numverts = LittleLong(pinmodel->numverts);
-       BOUNDI(loadmodel->numverts,0,MAXALIASVERTS);
-       loadmodel->numtris = LittleLong(pinmodel->numtris);
-       BOUNDI(loadmodel->numtris,0,MAXALIASTRIS);
+       BOUNDI(skinheight,0,65536);
+       numverts = LittleLong(pinmodel->numverts);
+       BOUNDI(numverts,0,65536);
+       loadmodel->meshlist[0]->num_triangles = LittleLong(pinmodel->numtris);
+       BOUNDI(loadmodel->meshlist[0]->num_triangles,0,65536);
        loadmodel->numframes = LittleLong(pinmodel->numframes);
        BOUNDI(loadmodel->numframes,0,65536);
-       loadmodel->synctype = LittleLong (pinmodel->synctype);
+       loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
        BOUNDI(loadmodel->synctype,0,2);
        loadmodel->flags = LittleLong (pinmodel->flags);
 
@@ -327,10 +566,10 @@ void Mod_LoadAliasModel (model_t *mod, void *buffer)
        datapointer += sizeof(stvert_t) * numverts;
 
        pintriangles = (dtriangle_t *)datapointer;
-       datapointer += sizeof(dtriangle_t) * loadmodel->numtris;
+       datapointer += sizeof(dtriangle_t) * loadmodel->meshlist[0]->num_triangles;
 
        startframes = datapointer;
-       totalposes = 0;
+       loadmodel->meshlist[0]->num_morphframes = 0;
        for (i = 0;i < loadmodel->numframes;i++)
        {
                pinframetype = (daliasframetype_t *)datapointer;
@@ -349,199 +588,217 @@ void Mod_LoadAliasModel (model_t *mod, void *buffer)
                {
                        datapointer += sizeof(daliasframe_t);
                        datapointer += sizeof(trivertx_t) * numverts;
-                       totalposes++;
+                       loadmodel->meshlist[0]->num_morphframes++;
                }
        }
 
-       // load the skins
-       skintemp = Mem_Alloc(tempmempool, skinwidth * skinheight);
-       loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
-       loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, totalskins * sizeof(skinframe_t));
-       totalskins = 0;
-       datapointer = startskins;
-       for (i = 0;i < loadmodel->numskins;i++)
-       {
-               pinskintype = (daliasskintype_t *)datapointer;
-               datapointer += sizeof(daliasskintype_t);
-
-               if (pinskintype->type == ALIAS_SKIN_SINGLE)
-               {
-                       groupskins = 1;
-                       interval = 0.1f;
-               }
-               else
-               {
-                       pinskingroup = (daliasskingroup_t *)datapointer;
-                       datapointer += sizeof(daliasskingroup_t);
-
-                       groupskins = LittleLong (pinskingroup->numskins);
-
-                       pinskinintervals = (daliasskininterval_t *)datapointer;
-                       datapointer += sizeof(daliasskininterval_t) * groupskins;
-
-                       interval = LittleFloat(pinskinintervals[0].interval);
-                       if (interval < 0.01f)
-                               Host_Error("Mod_LoadAliasModel: invalid interval\n");
-               }
-
-               sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
-               loadmodel->skinscenes[i].firstframe = totalskins;
-               loadmodel->skinscenes[i].framecount = groupskins;
-               loadmodel->skinscenes[i].framerate = 1.0f / interval;
-               loadmodel->skinscenes[i].loop = true;
+       // store texture coordinates into temporary array, they will be stored
+       // after usage is determined (triangle data)
+       vertst = (float *)Mem_Alloc(tempmempool, numverts * 2 * sizeof(float[2]));
+       vertremap = (int *)Mem_Alloc(tempmempool, numverts * 3 * sizeof(int));
+       vertonseam = vertremap + numverts * 2;
 
-               for (j = 0;j < groupskins;j++)
-               {
-                       if (groupskins > 1)
-                               sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
-                       else
-                               sprintf (name, "%s_%i", loadmodel->name, i);
-                       Mod_LoadSkin(name, (qbyte *)datapointer, skintemp, skinwidth, skinheight, loadmodel->skinframes + totalskins, i == 0);
-                       datapointer += skinwidth * skinheight;
-                       totalskins++;
-               }
-       }
-       Mem_Free(skintemp);
-
-       // store texture coordinates into temporary array, they will be stored after usage is determined (triangle data)
        scales = 1.0 / skinwidth;
        scalet = 1.0 / skinheight;
        for (i = 0;i < numverts;i++)
        {
                vertonseam[i] = LittleLong(pinstverts[i].onseam);
-               vertst[i][0] = LittleLong(pinstverts[i].s) * scales;
-               vertst[i][1] = LittleLong(pinstverts[i].t) * scalet;
-               vertst[i+numverts][0] = vertst[i][0] + 0.5;
-               vertst[i+numverts][1] = vertst[i][1];
-               vertusage[i] = 0;
-               vertusage[i+numverts] = 0;
+               vertst[i*2+0] = (LittleLong(pinstverts[i].s) + 0.5) * scales;
+               vertst[i*2+1] = (LittleLong(pinstverts[i].t) + 0.5) * scalet;
+               vertst[(i+numverts)*2+0] = vertst[i*2+0] + 0.5;
+               vertst[(i+numverts)*2+1] = vertst[i*2+1];
        }
 
 // load triangle data
-       loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->numtris);
+       loadmodel->meshlist[0]->data_element3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * loadmodel->meshlist[0]->num_triangles);
 
-       // count the vertices used
-       for (i = 0;i < numverts*2;i++)
-               vertusage[i] = 0;
-       for (i = 0;i < loadmodel->numtris;i++)
-       {
-               temptris[i][0] = LittleLong(pintriangles[i].vertindex[0]);
-               temptris[i][1] = LittleLong(pintriangles[i].vertindex[1]);
-               temptris[i][2] = LittleLong(pintriangles[i].vertindex[2]);
+       // read the triangle elements
+       for (i = 0;i < loadmodel->meshlist[0]->num_triangles;i++)
+               for (j = 0;j < 3;j++)
+                       loadmodel->meshlist[0]->data_element3i[i*3+j] = LittleLong(pintriangles[i].vertindex[j]);
+       // validate (note numverts is used because this is the original data)
+       Mod_ValidateElements(loadmodel->meshlist[0]->data_element3i, loadmodel->meshlist[0]->num_triangles, numverts, __FILE__, __LINE__);
+       // now butcher the elements according to vertonseam and tri->facesfront
+       // and then compact the vertex set to remove duplicates
+       for (i = 0;i < loadmodel->meshlist[0]->num_triangles;i++)
                if (!LittleLong(pintriangles[i].facesfront)) // backface
-               {
-                       if (vertonseam[temptris[i][0]]) temptris[i][0] += numverts;
-                       if (vertonseam[temptris[i][1]]) temptris[i][1] += numverts;
-                       if (vertonseam[temptris[i][2]]) temptris[i][2] += numverts;
-               }
-               vertusage[temptris[i][0]]++;
-               vertusage[temptris[i][1]]++;
-               vertusage[temptris[i][2]]++;
-       }
+                       for (j = 0;j < 3;j++)
+                               if (vertonseam[loadmodel->meshlist[0]->data_element3i[i*3+j]])
+                                       loadmodel->meshlist[0]->data_element3i[i*3+j] += numverts;
+       // count the usage
+       // (this uses vertremap to count usage to save some memory)
+       for (i = 0;i < numverts*2;i++)
+               vertremap[i] = 0;
+       for (i = 0;i < loadmodel->meshlist[0]->num_triangles*3;i++)
+               vertremap[loadmodel->meshlist[0]->data_element3i[i]]++;
        // build remapping table and compact array
-       totalverts = 0;
+       loadmodel->meshlist[0]->num_vertices = 0;
        for (i = 0;i < numverts*2;i++)
        {
-               if (vertusage[i])
+               if (vertremap[i])
                {
-                       vertremap[i] = totalverts;
-                       vertst[totalverts][0] = vertst[i][0];
-                       vertst[totalverts][1] = vertst[i][1];
-                       totalverts++;
+                       vertremap[i] = loadmodel->meshlist[0]->num_vertices;
+                       vertst[loadmodel->meshlist[0]->num_vertices*2+0] = vertst[i*2+0];
+                       vertst[loadmodel->meshlist[0]->num_vertices*2+1] = vertst[i*2+1];
+                       loadmodel->meshlist[0]->num_vertices++;
                }
                else
                        vertremap[i] = -1; // not used at all
        }
-       loadmodel->numverts = totalverts;
-       // remap the triangle references
-       for (i = 0;i < loadmodel->numtris;i++)
-       {
-               loadmodel->mdlmd2data_indices[i*3+0] = vertremap[temptris[i][0]];
-               loadmodel->mdlmd2data_indices[i*3+1] = vertremap[temptris[i][1]];
-               loadmodel->mdlmd2data_indices[i*3+2] = vertremap[temptris[i][2]];
-       }
+       // remap the elements to the new vertex set
+       for (i = 0;i < loadmodel->meshlist[0]->num_triangles * 3;i++)
+               loadmodel->meshlist[0]->data_element3i[i] = vertremap[loadmodel->meshlist[0]->data_element3i[i]];
        // store the texture coordinates
-       loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * totalverts);
-       for (i = 0;i < totalverts;i++)
+       loadmodel->meshlist[0]->data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * loadmodel->meshlist[0]->num_vertices);
+       for (i = 0;i < loadmodel->meshlist[0]->num_vertices;i++)
        {
-               loadmodel->mdlmd2data_texcoords[i*2+0] = vertst[i][0];
-               loadmodel->mdlmd2data_texcoords[i*2+1] = vertst[i][1];
+               loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+0] = vertst[i*2+0];
+               loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+1] = vertst[i*2+1];
        }
 
 // load the frames
-       loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
-       loadmodel->mdlmd2data_frames = Mem_Alloc(loadmodel->mempool, sizeof(md2frame_t) * totalposes);
-       loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * totalposes * totalverts);
+       loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
+       loadmodel->meshlist[0]->data_morphvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * loadmodel->meshlist[0]->num_morphframes * loadmodel->meshlist[0]->num_vertices);
+       loadmodel->meshlist[0]->data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->meshlist[0]->num_triangles * sizeof(int[3]));
+       Mod_MDL_LoadFrames (startframes, numverts, scale, translate, vertremap);
+       Mod_BuildTriangleNeighbors(loadmodel->meshlist[0]->data_neighbor3i, loadmodel->meshlist[0]->data_element3i, loadmodel->meshlist[0]->num_triangles);
+       Mod_CalcAliasModelBBoxes();
+       Mod_Alias_Mesh_CompileFrameZero(loadmodel->meshlist[0]);
+
+       Mem_Free(vertst);
+       Mem_Free(vertremap);
+
+       // load the skins
+       skinfiles = Mod_LoadSkinFiles();
+       loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
+       loadmodel->num_textures = loadmodel->num_surfaces;
+       loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
+       if (skinfiles)
+       {
+               Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
+               Mod_FreeSkinFiles(skinfiles);
+               for (i = 0;i < loadmodel->numskins;i++)
+               {
+                       loadmodel->skinscenes[i].firstframe = i;
+                       loadmodel->skinscenes[i].framecount = 1;
+                       loadmodel->skinscenes[i].loop = true;
+                       loadmodel->skinscenes[i].framerate = 10;
+               }
+       }
+       else
+       {
+               totalskins = 0;
+               datapointer = startskins;
+               for (i = 0;i < loadmodel->numskins;i++)
+               {
+                       pinskintype = (daliasskintype_t *)datapointer;
+                       datapointer += sizeof(daliasskintype_t);
 
-       // LordHavoc: doing proper bbox for model
-       aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
-       aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
+                       if (pinskintype->type == ALIAS_SKIN_SINGLE)
+                       {
+                               groupskins = 1;
+                               interval = 0.1f;
+                       }
+                       else
+                       {
+                               pinskingroup = (daliasskingroup_t *)datapointer;
+                               datapointer += sizeof(daliasskingroup_t);
 
-       Mod_MDL_LoadFrames (startframes, numverts, totalverts, scale, translate);
+                               groupskins = LittleLong (pinskingroup->numskins);
 
-       modelyawradius = sqrt(modelyawradius);
-       modelradius = sqrt(modelradius);
-       for (j = 0;j < 3;j++)
-       {
-               loadmodel->normalmins[j] = aliasbboxmin[j];
-               loadmodel->normalmaxs[j] = aliasbboxmax[j];
-               loadmodel->rotatedmins[j] = -modelradius;
-               loadmodel->rotatedmaxs[j] = modelradius;
+                               pinskinintervals = (daliasskininterval_t *)datapointer;
+                               datapointer += sizeof(daliasskininterval_t) * groupskins;
+
+                               interval = LittleFloat(pinskinintervals[0].interval);
+                               if (interval < 0.01f)
+                               {
+                                       Con_Printf("%s has an invalid interval %f, changing to 0.1\n", loadmodel->name, interval);
+                                       interval = 0.1f;
+                               }
+                       }
+
+                       sprintf(loadmodel->skinscenes[i].name, "skin %i", i);
+                       loadmodel->skinscenes[i].firstframe = totalskins;
+                       loadmodel->skinscenes[i].framecount = groupskins;
+                       loadmodel->skinscenes[i].framerate = 1.0f / interval;
+                       loadmodel->skinscenes[i].loop = true;
+
+                       for (j = 0;j < groupskins;j++)
+                       {
+                               if (groupskins > 1)
+                                       sprintf (name, "%s_%i_%i", loadmodel->name, i, j);
+                               else
+                                       sprintf (name, "%s_%i", loadmodel->name, i);
+                               if (!Mod_LoadSkinFrame(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
+                                       Mod_LoadSkinFrame_Internal(&tempskinframe, name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, true, r_fullbrights.integer, (unsigned char *)datapointer, skinwidth, skinheight, 8, NULL, NULL);
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
+                               datapointer += skinwidth * skinheight;
+                               totalskins++;
+                       }
+               }
+               // check for skins that don't exist in the model, but do exist as external images
+               // (this was added because yummyluv kept pestering me about support for it)
+               while (Mod_LoadSkinFrame(&tempskinframe, va("%s_%i", loadmodel->name, loadmodel->numskins), (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP, true, true))
+               {
+                       // expand the arrays to make room
+                       tempskinscenes = loadmodel->skinscenes;
+                       loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, (loadmodel->numskins + 1) * sizeof(animscene_t));
+                       memcpy(loadmodel->skinscenes, tempskinscenes, loadmodel->numskins * sizeof(animscene_t));
+                       Mem_Free(tempskinscenes);
+
+                       tempaliasskins = loadmodel->data_textures;
+                       loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * (totalskins + 1) * sizeof(texture_t));
+                       memcpy(loadmodel->data_textures, tempaliasskins, loadmodel->num_surfaces * totalskins * sizeof(texture_t));
+                       Mem_Free(tempaliasskins);
+
+                       // store the info about the new skin
+                       Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + totalskins * loadmodel->num_surfaces, &tempskinframe);
+                       strcpy(loadmodel->skinscenes[loadmodel->numskins].name, name);
+                       loadmodel->skinscenes[loadmodel->numskins].firstframe = totalskins;
+                       loadmodel->skinscenes[loadmodel->numskins].framecount = 1;
+                       loadmodel->skinscenes[loadmodel->numskins].framerate = 10.0f;
+                       loadmodel->skinscenes[loadmodel->numskins].loop = true;
+
+                       //increase skin counts
+                       loadmodel->numskins++;
+                       totalskins++;
+               }
        }
-       loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
-       loadmodel->yawmins[2] = loadmodel->normalmins[2];
-       loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
 
-       loadmodel->Draw = R_DrawAliasModel;
-       loadmodel->DrawSky = NULL;
-       loadmodel->DrawShadow = NULL;
+       surface = loadmodel->data_surfaces;
+       surface->texture = loadmodel->data_textures;
+       surface->groupmesh = loadmodel->meshlist[0];
+       surface->num_firsttriangle = 0;
+       surface->num_triangles = surface->groupmesh->num_triangles;
+       surface->num_firstvertex = 0;
+       surface->num_vertices = surface->groupmesh->num_vertices;
 }
 
-static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, trivertx_t *out, int *vertremap)
+static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int numverts, int *vertremap)
 {
-       int i, invalidnormals = 0;
-       float dist;
+       int i;
        trivertx_t *in;
-       vec3_t temp;
-       for (i = 0;i < loadmodel->numverts;i++)
+       for (i = 0;i < numverts;i++, out3f += 3)
        {
                in = v + vertremap[i];
-               VectorCopy(in->v, out[i].v);
-               temp[0] = in->v[0] * scale[0] + translate[0];
-               temp[1] = in->v[1] * scale[1] + translate[1];
-               temp[2] = in->v[2] * scale[2] + translate[2];
-               // update bounding box
-               if (temp[0] < aliasbboxmin[0]) aliasbboxmin[0] = temp[0];
-               if (temp[1] < aliasbboxmin[1]) aliasbboxmin[1] = temp[1];
-               if (temp[2] < aliasbboxmin[2]) aliasbboxmin[2] = temp[2];
-               if (temp[0] > aliasbboxmax[0]) aliasbboxmax[0] = temp[0];
-               if (temp[1] > aliasbboxmax[1]) aliasbboxmax[1] = temp[1];
-               if (temp[2] > aliasbboxmax[2]) aliasbboxmax[2] = temp[2];
-               dist = temp[0]*temp[0]+temp[1]*temp[1];
-               if (modelyawradius < dist)
-                       modelyawradius = dist;
-               dist += temp[2]*temp[2];
-               if (modelradius < dist)
-                       modelradius = dist;
-               out[i].lightnormalindex = in->lightnormalindex;
-               if (out[i].lightnormalindex >= NUMVERTEXNORMALS)
-               {
-                       invalidnormals++;
-                       out[i].lightnormalindex = 0;
-               }
-       }
-       if (invalidnormals)
-               Con_Printf("Mod_MD2_ConvertVerts: \"%s\", %i invalid normal indices found\n", loadmodel->name, invalidnormals);
+               out3f[0] = in->v[0] * scale[0] + translate[0];
+               out3f[1] = in->v[1] * scale[1] + translate[1];
+               out3f[2] = in->v[2] * scale[2] + translate[2];
+       }
 }
 
-void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
+void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
 {
-       int *vertremap;
+       int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
+       float *stverts, s, t, scale[3], translate[3];
+       unsigned char *data;
+       msurface_t *surface;
        md2_t *pinmodel;
-       qbyte *base;
-       int version, end;
-       int i, j, k, hashindex, num, numxyz, numst, xyz, st;
-       float *stverts, s, t;
+       unsigned char *base, *datapointer;
+       md2frame_t *pinframe;
+       char *inskin;
+       md2triangle_t *intri;
+       unsigned short *inst;
        struct md2verthash_s
        {
                struct md2verthash_s *next;
@@ -549,15 +806,11 @@ void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
                float st[2];
        }
        *hash, **md2verthash, *md2verthashdata;
-       qbyte *datapointer;
-       md2frame_t *pinframe;
-       char *inskin;
-       md2triangle_t *intri;
-       unsigned short *inst;
-       int skinwidth, skinheight;
+       skinframe_t tempskinframe;
+       skinfile_t *skinfiles;
 
-       pinmodel = buffer;
-       base = buffer;
+       pinmodel = (md2_t *)buffer;
+       base = (unsigned char *)buffer;
 
        version = LittleLong (pinmodel->version);
        if (version != MD2ALIAS_VERSION)
@@ -565,70 +818,109 @@ void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
                        loadmodel->name, version, MD2ALIAS_VERSION);
 
        loadmodel->type = mod_alias;
-       loadmodel->aliastype = ALIASTYPE_MDLMD2;
-       loadmodel->Draw = R_DrawAliasModel;
        loadmodel->DrawSky = NULL;
-       loadmodel->DrawShadow = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+       loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+       loadmodel->DrawLight = R_Q1BSP_DrawLight;
+       loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 
-       if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > MD2MAX_TRIANGLES)
+       if (LittleLong(pinmodel->num_tris) < 1 || LittleLong(pinmodel->num_tris) > 65536)
                Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
-       if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > MD2MAX_VERTS)
+       if (LittleLong(pinmodel->num_xyz) < 1 || LittleLong(pinmodel->num_xyz) > 65536)
                Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
-       if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > MD2MAX_FRAMES)
+       if (LittleLong(pinmodel->num_frames) < 1 || LittleLong(pinmodel->num_frames) > 65536)
                Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
-       if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > MAX_SKINS)
+       if (LittleLong(pinmodel->num_skins) < 0 || LittleLong(pinmodel->num_skins) > 256)
                Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
 
        end = LittleLong(pinmodel->ofs_end);
-       if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
+       if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins) <= 0 || LittleLong(pinmodel->ofs_skins) >= end))
                Host_Error ("%s is not a valid model", loadmodel->name);
-       if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
+       if (LittleLong(pinmodel->ofs_st) <= 0 || LittleLong(pinmodel->ofs_st) >= end)
                Host_Error ("%s is not a valid model", loadmodel->name);
-       if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
+       if (LittleLong(pinmodel->ofs_tris) <= 0 || LittleLong(pinmodel->ofs_tris) >= end)
                Host_Error ("%s is not a valid model", loadmodel->name);
-       if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
+       if (LittleLong(pinmodel->ofs_frames) <= 0 || LittleLong(pinmodel->ofs_frames) >= end)
                Host_Error ("%s is not a valid model", loadmodel->name);
-       if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
+       if (LittleLong(pinmodel->ofs_glcmds) <= 0 || LittleLong(pinmodel->ofs_glcmds) >= end)
                Host_Error ("%s is not a valid model", loadmodel->name);
 
+       loadmodel->num_surfaces = 1;
+       loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
+       loadmodel->nummeshes = loadmodel->num_surfaces;
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t));
+       loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+       loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
+       loadmodel->meshlist = (surfmesh_t **)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
+       for (i = 0;i < loadmodel->num_surfaces;i++)
+       {
+               loadmodel->surfacelist[i] = i;
+               loadmodel->meshlist[i] = (surfmesh_t *)data;data += sizeof(surfmesh_t);
+       }
+
        loadmodel->numskins = LittleLong(pinmodel->num_skins);
        numxyz = LittleLong(pinmodel->num_xyz);
        numst = LittleLong(pinmodel->num_st);
-       loadmodel->numtris = LittleLong(pinmodel->num_tris);
+       loadmodel->meshlist[0]->num_triangles = LittleLong(pinmodel->num_tris);
        loadmodel->numframes = LittleLong(pinmodel->num_frames);
+       loadmodel->meshlist[0]->num_morphframes = loadmodel->numframes;
+       loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
 
        loadmodel->flags = 0; // there are no MD2 flags
        loadmodel->synctype = ST_RAND;
 
        // load the skins
-       inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
-       if (loadmodel->numskins)
+       inskin = (char *)(base + LittleLong(pinmodel->ofs_skins));
+       skinfiles = Mod_LoadSkinFiles();
+       if (skinfiles)
        {
-               loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
-               loadmodel->skinframes = Mem_Alloc(loadmodel->mempool, sizeof(skinframe_t) * loadmodel->numskins);
-               for (i = 0;i < loadmodel->numskins;i++)
+               loadmodel->num_textures = loadmodel->num_surfaces;
+               loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
+               Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures, skinfiles, "default", "");
+               Mod_FreeSkinFiles(skinfiles);
+       }
+       else if (loadmodel->numskins)
+       {
+               // skins found (most likely not a player model)
+               loadmodel->num_textures = loadmodel->num_surfaces;
+               loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
+               for (i = 0;i < loadmodel->numskins;i++, inskin += MD2_SKINNAME)
                {
-                       loadmodel->skinscenes[i].firstframe = i;
-                       loadmodel->skinscenes[i].framecount = 1;
-                       loadmodel->skinscenes[i].loop = true;
-                       loadmodel->skinscenes[i].framerate = 10;
-                       loadmodel->skinframes[i].base = loadtextureimagewithmask (loadmodel->texturepool, inskin, 0, 0, true, r_mipskins.integer, true);
-                       loadmodel->skinframes[i].fog = image_masktex;
-                       loadmodel->skinframes[i].pants = NULL;
-                       loadmodel->skinframes[i].shirt = NULL;
-                       loadmodel->skinframes[i].glow = NULL;
-                       loadmodel->skinframes[i].merged = NULL;
-                       inskin += MD2MAX_SKINNAME;
+                       if (Mod_LoadSkinFrame(&tempskinframe, inskin, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true, true))
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, &tempskinframe);
+                       else
+                       {
+                               Con_Printf("%s is missing skin \"%s\"\n", loadmodel->name, inskin);
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i * loadmodel->num_surfaces, NULL);
+                       }
                }
        }
+       else
+       {
+               // no skins (most likely a player model)
+               loadmodel->numskins = 1;
+               loadmodel->num_textures = loadmodel->num_surfaces;
+               loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
+               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures, NULL);
+       }
+
+       loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
+       for (i = 0;i < loadmodel->numskins;i++)
+       {
+               loadmodel->skinscenes[i].firstframe = i;
+               loadmodel->skinscenes[i].framecount = 1;
+               loadmodel->skinscenes[i].loop = true;
+               loadmodel->skinscenes[i].framerate = 10;
+       }
 
        // load the triangles and stvert data
-       inst = (void*)(base + LittleLong(pinmodel->ofs_st));
-       intri = (void*)(base + LittleLong(pinmodel->ofs_tris));
+       inst = (unsigned short *)(base + LittleLong(pinmodel->ofs_st));
+       intri = (md2triangle_t *)(base + LittleLong(pinmodel->ofs_tris));
        skinwidth = LittleLong(pinmodel->skinwidth);
        skinheight = LittleLong(pinmodel->skinheight);
 
-       stverts = Mem_Alloc(tempmempool, numst * sizeof(float[2]));
+       stverts = (float *)Mem_Alloc(tempmempool, numst * sizeof(float[2]));
        s = 1.0f / skinwidth;
        t = 1.0f / skinheight;
        for (i = 0;i < numst;i++)
@@ -637,33 +929,34 @@ void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
                k = (unsigned short) LittleShort(inst[i*2+1]);
                if (j >= skinwidth || k >= skinheight)
                {
-                       Mem_Free(stverts);
-                       Host_Error("Mod_MD2_LoadGeometry: invalid skin coordinate (%i %i) on vert %i of model %s\n", j, k, i, loadmodel->name);
+                       Con_Printf("%s has an invalid skin coordinate (%i %i) on vert %i, changing to 0 0\n", loadmodel->name, j, k, i);
+                       j = 0;
+                       k = 0;
                }
                stverts[i*2+0] = j * s;
                stverts[i*2+1] = k * t;
        }
 
-       md2verthash = Mem_Alloc(tempmempool, 256 * sizeof(hash));
-       md2verthashdata = Mem_Alloc(tempmempool, loadmodel->numtris * 3 * sizeof(*hash));
+       md2verthash = (struct md2verthash_s **)Mem_Alloc(tempmempool, 256 * sizeof(hash));
+       md2verthashdata = (struct md2verthash_s *)Mem_Alloc(tempmempool, loadmodel->meshlist[0]->num_triangles * 3 * sizeof(*hash));
        // swap the triangle list
        num = 0;
-       loadmodel->mdlmd2data_indices = Mem_Alloc(loadmodel->mempool, loadmodel->numtris * sizeof(int[3]));
-       for (i = 0;i < loadmodel->numtris;i++)
+       loadmodel->meshlist[0]->data_element3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->meshlist[0]->num_triangles * sizeof(int[3]));
+       for (i = 0;i < loadmodel->meshlist[0]->num_triangles;i++)
        {
                for (j = 0;j < 3;j++)
                {
                        xyz = (unsigned short) LittleShort (intri[i].index_xyz[j]);
                        st = (unsigned short) LittleShort (intri[i].index_st[j]);
-                       if (xyz >= numxyz || st >= numst)
+                       if (xyz >= numxyz)
+                       {
+                               Con_Printf("%s has an invalid xyz index (%i) on triangle %i, resetting to 0\n", loadmodel->name, xyz, i);
+                               xyz = 0;
+                       }
+                       if (st >= numst)
                        {
-                               Mem_Free(md2verthash);
-                               Mem_Free(md2verthashdata);
-                               Mem_Free(stverts);
-                               if (xyz >= numxyz)
-                                       Host_Error("Mod_MD2_LoadGeometry: invalid xyz index (%i) on triangle %i of model %s\n", xyz, i, loadmodel->name);
-                               if (st >= numst)
-                                       Host_Error("Mod_MD2_LoadGeometry: invalid st index (%i) on triangle %i of model %s\n", st, i, loadmodel->name);
+                               Con_Printf("%s has an invalid st index (%i) on triangle %i, resetting to 0\n", loadmodel->name, st, i);
+                               st = 0;
                        }
                        s = stverts[st*2+0];
                        t = stverts[st*2+1];
@@ -680,53 +973,43 @@ void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
                                hash->next = md2verthash[hashindex];
                                md2verthash[hashindex] = hash;
                        }
-                       loadmodel->mdlmd2data_indices[i*3+j] = (hash - md2verthashdata);
+                       loadmodel->meshlist[0]->data_element3i[i*3+j] = (hash - md2verthashdata);
                }
        }
 
        Mem_Free(stverts);
 
-       loadmodel->numverts = num;
-       vertremap = Mem_Alloc(loadmodel->mempool, num * sizeof(int));
-       loadmodel->mdlmd2data_texcoords = Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
+       numverts = num;
+       loadmodel->meshlist[0]->num_vertices = numverts;
+       vertremap = (int *)Mem_Alloc(loadmodel->mempool, num * sizeof(int));
+       loadmodel->meshlist[0]->data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, num * sizeof(float[2]));
        for (i = 0;i < num;i++)
        {
                hash = md2verthashdata + i;
                vertremap[i] = hash->xyz;
-               loadmodel->mdlmd2data_texcoords[i*2+0] = hash->st[0];
-               loadmodel->mdlmd2data_texcoords[i*2+1] = hash->st[1];
+               loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+0] = hash->st[0];
+               loadmodel->meshlist[0]->data_texcoordtexture2f[i*2+1] = hash->st[1];
        }
 
        Mem_Free(md2verthash);
        Mem_Free(md2verthashdata);
 
-       // load frames
-       // LordHavoc: doing proper bbox for model
-       aliasbboxmin[0] = aliasbboxmin[1] = aliasbboxmin[2] = 1000000000;
-       aliasbboxmax[0] = aliasbboxmax[1] = aliasbboxmax[2] = -1000000000;
-       modelyawradius = 0;
-       modelradius = 0;
-
-       datapointer = (base + LittleLong(pinmodel->ofs_frames));
        // load the frames
-       loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
-       loadmodel->mdlmd2data_frames = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(md2frame_t));
-       loadmodel->mdlmd2data_pose = Mem_Alloc(loadmodel->mempool, loadmodel->numverts * loadmodel->numframes * sizeof(trivertx_t));
-
-       for (i = 0;i < loadmodel->numframes;i++)
+       datapointer = (base + LittleLong(pinmodel->ofs_frames));
+       loadmodel->meshlist[0]->data_morphvertex3f = (float *)Mem_Alloc(loadmodel->mempool, numverts * loadmodel->meshlist[0]->num_morphframes * sizeof(float[3]));
+       for (i = 0;i < loadmodel->meshlist[0]->num_morphframes;i++)
        {
                pinframe = (md2frame_t *)datapointer;
                datapointer += sizeof(md2frame_t);
-               strcpy(loadmodel->mdlmd2data_frames[i].name, pinframe->name);
                for (j = 0;j < 3;j++)
                {
-                       loadmodel->mdlmd2data_frames[i].scale[j] = LittleFloat(pinframe->scale[j]);
-                       loadmodel->mdlmd2data_frames[i].translate[j] = LittleFloat(pinframe->translate[j]);
+                       scale[j] = LittleFloat(pinframe->scale[j]);
+                       translate[j] = LittleFloat(pinframe->translate[j]);
                }
-               Mod_MD2_ConvertVerts (loadmodel->mdlmd2data_frames[i].scale, loadmodel->mdlmd2data_frames[i].translate, (void *)datapointer, &loadmodel->mdlmd2data_pose[i * loadmodel->numverts], vertremap);
+               Mod_MD2_ConvertVerts(scale, translate, (trivertx_t *)datapointer, loadmodel->meshlist[0]->data_morphvertex3f + i * numverts * 3, numverts, vertremap);
                datapointer += numxyz * sizeof(trivertx_t);
 
-               strcpy(loadmodel->animscenes[i].name, loadmodel->mdlmd2data_frames[i].name);
+               strcpy(loadmodel->animscenes[i].name, pinframe->name);
                loadmodel->animscenes[i].firstframe = i;
                loadmodel->animscenes[i].framecount = 1;
                loadmodel->animscenes[i].framerate = 10;
@@ -735,225 +1018,1241 @@ void Mod_LoadQ2AliasModel (model_t *mod, void *buffer)
 
        Mem_Free(vertremap);
 
-       // LordHavoc: model bbox
-       modelyawradius = sqrt(modelyawradius);
-       modelradius = sqrt(modelradius);
-       for (j = 0;j < 3;j++)
-       {
-               loadmodel->normalmins[j] = aliasbboxmin[j];
-               loadmodel->normalmaxs[j] = aliasbboxmax[j];
-               loadmodel->rotatedmins[j] = -modelradius;
-               loadmodel->rotatedmaxs[j] = modelradius;
-       }
-       loadmodel->yawmins[0] = loadmodel->yawmins[1] = -(loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelyawradius);
-       loadmodel->yawmins[2] = loadmodel->normalmins[2];
-       loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
+       loadmodel->meshlist[0]->data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->meshlist[0]->num_triangles * sizeof(int[3]));
+       Mod_BuildTriangleNeighbors(loadmodel->meshlist[0]->data_neighbor3i, loadmodel->meshlist[0]->data_element3i, loadmodel->meshlist[0]->num_triangles);
+       Mod_CalcAliasModelBBoxes();
+       Mod_Alias_Mesh_CompileFrameZero(loadmodel->meshlist[0]);
+
+       surface = loadmodel->data_surfaces;
+       surface->groupmesh = loadmodel->meshlist[0];
+       surface->texture = loadmodel->data_textures;
+       surface->num_firsttriangle = 0;
+       surface->num_triangles = surface->groupmesh->num_triangles;
+       surface->num_firstvertex = 0;
+       surface->num_vertices = surface->groupmesh->num_vertices;
 }
 
-static void zymswapintblock(int *m, int size)
+void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
 {
-       size /= 4;
-       while(size--)
+       int i, j, k, version;
+       unsigned char *data;
+       msurface_t *surface;
+       surfmesh_t *mesh;
+       md3modelheader_t *pinmodel;
+       md3frameinfo_t *pinframe;
+       md3mesh_t *pinmesh;
+       md3tag_t *pintag;
+       skinfile_t *skinfiles;
+
+       pinmodel = (md3modelheader_t *)buffer;
+
+       if (memcmp(pinmodel->identifier, "IDP3", 4))
+               Host_Error ("%s is not a MD3 (IDP3) file", loadmodel->name);
+       version = LittleLong (pinmodel->version);
+       if (version != MD3VERSION)
+               Host_Error ("%s has wrong version number (%i should be %i)",
+                       loadmodel->name, version, MD3VERSION);
+
+       skinfiles = Mod_LoadSkinFiles();
+       if (loadmodel->numskins < 1)
+               loadmodel->numskins = 1;
+
+       loadmodel->type = mod_alias;
+       loadmodel->DrawSky = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+       loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+       loadmodel->DrawLight = R_Q1BSP_DrawLight;
+       loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
+       loadmodel->flags = LittleLong(pinmodel->flags);
+       loadmodel->synctype = ST_RAND;
+
+       // set up some global info about the model
+       loadmodel->numframes = LittleLong(pinmodel->num_frames);
+       loadmodel->num_surfaces = LittleLong(pinmodel->num_meshes);
+
+       // make skinscenes for the skins (no groups)
+       loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
+       for (i = 0;i < loadmodel->numskins;i++)
+       {
+               loadmodel->skinscenes[i].firstframe = i;
+               loadmodel->skinscenes[i].framecount = 1;
+               loadmodel->skinscenes[i].loop = true;
+               loadmodel->skinscenes[i].framerate = 10;
+       }
+
+       // load frameinfo
+       loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
+       for (i = 0, pinframe = (md3frameinfo_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
+       {
+               strcpy(loadmodel->animscenes[i].name, pinframe->name);
+               loadmodel->animscenes[i].firstframe = i;
+               loadmodel->animscenes[i].framecount = 1;
+               loadmodel->animscenes[i].framerate = 10;
+               loadmodel->animscenes[i].loop = true;
+       }
+
+       // load tags
+       loadmodel->num_tagframes = loadmodel->numframes;
+       loadmodel->num_tags = LittleLong(pinmodel->num_tags);
+       loadmodel->data_tags = (aliastag_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_tagframes * loadmodel->num_tags * sizeof(aliastag_t));
+       for (i = 0, pintag = (md3tag_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_tags));i < loadmodel->num_tagframes * loadmodel->num_tags;i++, pintag++)
+       {
+               strcpy(loadmodel->data_tags[i].name, pintag->name);
+               loadmodel->data_tags[i].matrix = identitymatrix;
+               for (j = 0;j < 3;j++)
+               {
+                       for (k = 0;k < 3;k++)
+                               loadmodel->data_tags[i].matrix.m[j][k] = LittleFloat(pintag->rotationmatrix[k * 3 + j]);
+                       loadmodel->data_tags[i].matrix.m[j][3] = LittleFloat(pintag->origin[j]);
+               }
+               //Con_Printf("model \"%s\" frame #%i tag #%i \"%s\"\n", loadmodel->name, i / loadmodel->num_tags, i % loadmodel->num_tags, loadmodel->data_tags[i].name);
+       }
+
+       // load meshes
+       loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
+       loadmodel->nummeshes = loadmodel->num_surfaces;
+       loadmodel->num_textures = loadmodel->num_surfaces;
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
+       loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+       loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
+       loadmodel->meshlist = (surfmesh_t **)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
+       loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
+       for (i = 0;i < loadmodel->num_surfaces;i++)
        {
-               *m = BigLong(*m);
-               m++;
+               loadmodel->surfacelist[i] = i;
+               loadmodel->meshlist[i] = (surfmesh_t *)data;data += sizeof(surfmesh_t);
        }
+       for (i = 0, pinmesh = (md3mesh_t *)((unsigned char *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->num_surfaces;i++, pinmesh = (md3mesh_t *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_end)))
+       {
+               if (memcmp(pinmesh->identifier, "IDP3", 4))
+                       Host_Error("Mod_IDP3_Load: invalid mesh identifier (not IDP3)");
+               mesh = loadmodel->meshlist[i];
+               mesh->num_morphframes = LittleLong(pinmesh->num_frames);
+               mesh->num_vertices = LittleLong(pinmesh->num_vertices);
+               mesh->num_triangles = LittleLong(pinmesh->num_triangles);
+               mesh->data_element3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
+               mesh->data_morphvertex3f = (float *)Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_morphframes * sizeof(float[3]));
+               for (j = 0;j < mesh->num_triangles * 3;j++)
+                       mesh->data_element3i[j] = LittleLong(((int *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_elements)))[j]);
+               for (j = 0;j < mesh->num_vertices;j++)
+               {
+                       mesh->data_texcoordtexture2f[j * 2 + 0] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 0]);
+                       mesh->data_texcoordtexture2f[j * 2 + 1] = LittleFloat(((float *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_texcoords)))[j * 2 + 1]);
+               }
+               for (j = 0;j < mesh->num_vertices * mesh->num_morphframes;j++)
+               {
+                       mesh->data_morphvertex3f[j * 3 + 0] = LittleShort(((short *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 0]) * (1.0f / 64.0f);
+                       mesh->data_morphvertex3f[j * 3 + 1] = LittleShort(((short *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 1]) * (1.0f / 64.0f);
+                       mesh->data_morphvertex3f[j * 3 + 2] = LittleShort(((short *)((unsigned char *)pinmesh + LittleLong(pinmesh->lump_framevertices)))[j * 4 + 2]) * (1.0f / 64.0f);
+               }
+
+               Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
+               Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
+               Mod_Alias_Mesh_CompileFrameZero(mesh);
+
+               if (LittleLong(pinmesh->num_shaders) >= 1)
+                       Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, pinmesh->name, ((md3shader_t *)((unsigned char *) pinmesh + LittleLong(pinmesh->lump_shaders)))->name);
+               else
+                       for (j = 0;j < loadmodel->numskins;j++)
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
+
+               surface = loadmodel->data_surfaces + i;
+               surface->groupmesh = mesh;
+               surface->texture = loadmodel->data_textures + i;
+               surface->num_firsttriangle = 0;
+               surface->num_triangles = mesh->num_triangles;
+               surface->num_firstvertex = 0;
+               surface->num_vertices = mesh->num_vertices;
+       }
+       Mod_CalcAliasModelBBoxes();
+       Mod_FreeSkinFiles(skinfiles);
 }
 
-void Mod_LoadZymoticModel(model_t *mod, void *buffer)
+void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
 {
-       int i, pbase, *bonecount, numposes;
-       unsigned int count, a, b, c, *renderlist, *renderlistend;
-       rtexture_t **texture;
-       char *shadername;
        zymtype1header_t *pinmodel, *pheader;
+       unsigned char *pbase;
+       int i, j, k, l, numposes, *bonecount, *vertbonecounts, count, *renderlist, *renderlistend, *outelements, *remapvertices;
+       float modelradius, corner[2], *poses, *intexcoord2f, *outtexcoord2f;
+       zymvertex_t *verts, *vertdata;
        zymscene_t *scene;
        zymbone_t *bone;
-       float corner[2], modelradius;
-
-       pinmodel = (void *)buffer;
+       char *shadername;
+       skinfile_t *skinfiles;
+       unsigned char *data;
+       msurface_t *surface;
+       surfmesh_t *mesh;
 
+       pinmodel = (zymtype1header_t *)buffer;
+       pbase = (unsigned char *)buffer;
        if (memcmp(pinmodel->id, "ZYMOTICMODEL", 12))
-               Host_Error ("Mod_LoadZymoticModel: %s is not a zymotic model\n");
-
+               Host_Error ("Mod_ZYMOTICMODEL_Load: %s is not a zymotic model");
        if (BigLong(pinmodel->type) != 1)
-               Host_Error ("Mod_LoadZymoticModel: only type 1 (skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
+               Host_Error ("Mod_ZYMOTICMODEL_Load: only type 1 (skeletal pose) models are currently supported (name = %s)", loadmodel->name);
 
        loadmodel->type = mod_alias;
-       loadmodel->aliastype = ALIASTYPE_ZYM;
-
-       loadmodel->zymdata_header = pheader = Mem_Alloc(loadmodel->mempool, BigLong(pinmodel->filesize));
+       loadmodel->flags = 0; // there are no flags on zym models
+       loadmodel->synctype = ST_RAND;
 
-       pbase = (int) pheader;
+       // byteswap header
+       pheader = pinmodel;
+       pheader->type = BigLong(pinmodel->type);
+       pheader->filesize = BigLong(pinmodel->filesize);
+       pheader->mins[0] = BigFloat(pinmodel->mins[0]);
+       pheader->mins[1] = BigFloat(pinmodel->mins[1]);
+       pheader->mins[2] = BigFloat(pinmodel->mins[2]);
+       pheader->maxs[0] = BigFloat(pinmodel->maxs[0]);
+       pheader->maxs[1] = BigFloat(pinmodel->maxs[1]);
+       pheader->maxs[2] = BigFloat(pinmodel->maxs[2]);
+       pheader->radius = BigFloat(pinmodel->radius);
+       pheader->numverts = BigLong(pinmodel->numverts);
+       pheader->numtris = BigLong(pinmodel->numtris);
+       pheader->numshaders = BigLong(pinmodel->numshaders);
+       pheader->numbones = BigLong(pinmodel->numbones);
+       pheader->numscenes = BigLong(pinmodel->numscenes);
+       pheader->lump_scenes.start = BigLong(pinmodel->lump_scenes.start);
+       pheader->lump_scenes.length = BigLong(pinmodel->lump_scenes.length);
+       pheader->lump_poses.start = BigLong(pinmodel->lump_poses.start);
+       pheader->lump_poses.length = BigLong(pinmodel->lump_poses.length);
+       pheader->lump_bones.start = BigLong(pinmodel->lump_bones.start);
+       pheader->lump_bones.length = BigLong(pinmodel->lump_bones.length);
+       pheader->lump_vertbonecounts.start = BigLong(pinmodel->lump_vertbonecounts.start);
+       pheader->lump_vertbonecounts.length = BigLong(pinmodel->lump_vertbonecounts.length);
+       pheader->lump_verts.start = BigLong(pinmodel->lump_verts.start);
+       pheader->lump_verts.length = BigLong(pinmodel->lump_verts.length);
+       pheader->lump_texcoords.start = BigLong(pinmodel->lump_texcoords.start);
+       pheader->lump_texcoords.length = BigLong(pinmodel->lump_texcoords.length);
+       pheader->lump_render.start = BigLong(pinmodel->lump_render.start);
+       pheader->lump_render.length = BigLong(pinmodel->lump_render.length);
+       pheader->lump_shaders.start = BigLong(pinmodel->lump_shaders.start);
+       pheader->lump_shaders.length = BigLong(pinmodel->lump_shaders.length);
+       pheader->lump_trizone.start = BigLong(pinmodel->lump_trizone.start);
+       pheader->lump_trizone.length = BigLong(pinmodel->lump_trizone.length);
+
+       if (pheader->numtris < 1 || pheader->numverts < 3 || pheader->numshaders < 1)
+       {
+               Con_Printf("%s has no geometry\n");
+               return;
+       }
+       if (pheader->numscenes < 1 || pheader->lump_poses.length < (int)sizeof(float[3][4]))
+       {
+               Con_Printf("%s has no animations\n");
+               return;
+       }
 
-       memcpy(pheader, pinmodel, BigLong(pinmodel->filesize));
+       loadmodel->DrawSky = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+       loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+       loadmodel->DrawLight = R_Q1BSP_DrawLight;
+       loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 
-       // byteswap header
-#define SWAPLONG(var) var = BigLong(var)
-#define SWAPFLOAT(var) var = BigFloat(var)
-#define SWAPVEC(var) SWAPFLOAT(var[0]);SWAPFLOAT(var[1]);SWAPFLOAT(var[2])
-       SWAPLONG(pheader->type);
-       SWAPLONG(pheader->filesize);
-       SWAPVEC(pheader->mins);
-       SWAPVEC(pheader->maxs);
-       SWAPFLOAT(pheader->radius);
-       SWAPLONG(pheader->numverts);
-       SWAPLONG(pheader->numtris);
-       SWAPLONG(pheader->numshaders);
-       SWAPLONG(pheader->numbones);
-       SWAPLONG(pheader->numscenes);
-
-#define SWAPLUMPINFO(var) SWAPLONG(pheader->lump_##var.start);SWAPLONG(pheader->lump_##var.length)
-       SWAPLUMPINFO(scenes);
-       SWAPLUMPINFO(poses);
-       SWAPLUMPINFO(bones);
-       SWAPLUMPINFO(vertbonecounts);
-       SWAPLUMPINFO(verts);
-       SWAPLUMPINFO(texcoords);
-       SWAPLUMPINFO(render);
-       SWAPLUMPINFO(shaders);
-       SWAPLUMPINFO(trizone);
-
-       loadmodel->flags = 0; // there are no flags
        loadmodel->numframes = pheader->numscenes;
-       loadmodel->synctype = ST_SYNC;
-       loadmodel->numtris = pheader->numtris;
-
-       // FIXME: add skin support and texturing and shaders and...
-       loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) + sizeof(skinframe_t));
-       loadmodel->skinscenes[0].firstframe = 0;
-       loadmodel->skinscenes[0].framecount = 1;
-       loadmodel->skinscenes[0].loop = true;
-       loadmodel->skinscenes[0].framerate = 10;
-       loadmodel->skinframes = (void *)(loadmodel->skinscenes + 1);
-       loadmodel->skinframes->base = NULL;
-       loadmodel->skinframes->fog = NULL;
-       loadmodel->skinframes->pants = NULL;
-       loadmodel->skinframes->shirt = NULL;
-       loadmodel->skinframes->glow = NULL;
-       loadmodel->skinframes->merged = NULL;
-       loadmodel->numskins = 1;
-       numposes = pheader->lump_poses.length / sizeof(float[3][4]) / pheader->numbones;
+       loadmodel->num_surfaces = pheader->numshaders;
+
+       skinfiles = Mod_LoadSkinFiles();
+       if (loadmodel->numskins < 1)
+               loadmodel->numskins = 1;
+
+       // make skinscenes for the skins (no groups)
+       loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins);
+       for (i = 0;i < loadmodel->numskins;i++)
+       {
+               loadmodel->skinscenes[i].firstframe = i;
+               loadmodel->skinscenes[i].framecount = 1;
+               loadmodel->skinscenes[i].loop = true;
+               loadmodel->skinscenes[i].framerate = 10;
+       }
+
+       // model bbox
+       modelradius = pheader->radius;
+       for (i = 0;i < 3;i++)
+       {
+               loadmodel->normalmins[i] = pheader->mins[i];
+               loadmodel->normalmaxs[i] = pheader->maxs[i];
+               loadmodel->rotatedmins[i] = -modelradius;
+               loadmodel->rotatedmaxs[i] = modelradius;
+       }
+       corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
+       corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
+       loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
+       if (loadmodel->yawmaxs[0] > modelradius)
+               loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
+       loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
+       loadmodel->yawmins[2] = loadmodel->normalmins[2];
+       loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
+       loadmodel->radius = modelradius;
+       loadmodel->radius2 = modelradius * modelradius;
 
        // go through the lumps, swapping things
 
-//     zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
-       scene = (void *) (pheader->lump_scenes.start + pbase);
-       loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
+       //zymlump_t lump_scenes; // zymscene_t scene[numscenes]; // name and other information for each scene (see zymscene struct)
+       loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
+       scene = (zymscene_t *) (pheader->lump_scenes.start + pbase);
+       numposes = pheader->lump_poses.length / pheader->numbones / sizeof(float[3][4]);
        for (i = 0;i < pheader->numscenes;i++)
        {
-               SWAPVEC(scene->mins);
-               SWAPVEC(scene->maxs);
-               SWAPFLOAT(scene->radius);
-               SWAPFLOAT(scene->framerate);
-               SWAPLONG(scene->flags);
-               SWAPLONG(scene->start);
-               SWAPLONG(scene->length);
-
                memcpy(loadmodel->animscenes[i].name, scene->name, 32);
-               loadmodel->animscenes[i].firstframe = scene->start;
-               loadmodel->animscenes[i].framecount = scene->length;
-               loadmodel->animscenes[i].framerate = scene->framerate;
-               loadmodel->animscenes[i].loop = (scene->flags & ZYMSCENEFLAG_NOLOOP) == 0;
-
-               if ((unsigned int) loadmodel->animscenes[i].firstframe >= numposes)
-                       Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, numposes);
-               if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > numposes)
-                       Host_Error("Mod_LoadZymoticModel: scene firstframe (%i) + framecount (%i) >= numposes (%i)\n", loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
+               loadmodel->animscenes[i].firstframe = BigLong(scene->start);
+               loadmodel->animscenes[i].framecount = BigLong(scene->length);
+               loadmodel->animscenes[i].framerate = BigFloat(scene->framerate);
+               loadmodel->animscenes[i].loop = (BigLong(scene->flags) & ZYMSCENEFLAG_NOLOOP) == 0;
+               if ((unsigned int) loadmodel->animscenes[i].firstframe >= (unsigned int) numposes)
+                       Host_Error("%s scene->firstframe (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, numposes);
+               if ((unsigned int) loadmodel->animscenes[i].firstframe + (unsigned int) loadmodel->animscenes[i].framecount > (unsigned int) numposes)
+                       Host_Error("%s scene->firstframe (%i) + framecount (%i) >= numposes (%i)", loadmodel->name, loadmodel->animscenes[i].firstframe, loadmodel->animscenes[i].framecount, numposes);
                if (loadmodel->animscenes[i].framerate < 0)
-                       Host_Error("Mod_LoadZymoticModel: scene framerate (%f) < 0\n", loadmodel->animscenes[i].framerate);
+                       Host_Error("%s scene->framerate (%f) < 0", loadmodel->name, loadmodel->animscenes[i].framerate);
                scene++;
        }
 
-//     zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
-       zymswapintblock((void *) (pheader->lump_poses.start + pbase), pheader->lump_poses.length);
-
-//     zymlump_t lump_bones; // zymbone_t bone[numbones];
-       bone = (void *) (pheader->lump_bones.start + pbase);
+       //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
+       loadmodel->num_poses = pheader->lump_poses.length / sizeof(float[3][4]);
+       loadmodel->data_poses = (float *)Mem_Alloc(loadmodel->mempool, pheader->lump_poses.length);
+       poses = (float *) (pheader->lump_poses.start + pbase);
+       for (i = 0;i < pheader->lump_poses.length / 4;i++)
+               loadmodel->data_poses[i] = BigFloat(poses[i]);
+
+       //zymlump_t lump_bones; // zymbone_t bone[numbones];
+       loadmodel->num_bones = pheader->numbones;
+       loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, pheader->numbones * sizeof(aliasbone_t));
+       bone = (zymbone_t *) (pheader->lump_bones.start + pbase);
        for (i = 0;i < pheader->numbones;i++)
        {
-               SWAPLONG(bone[i].flags);
-               SWAPLONG(bone[i].parent);
-               if (bone[i].parent >= i)
-                       Host_Error("Mod_LoadZymoticModel: bone[i].parent >= i in %s\n", loadmodel->name);
+               memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
+               loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
+               loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
+               if (loadmodel->data_bones[i].parent >= i)
+                       Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
        }
 
-//     zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
-       zymswapintblock((void *) (pheader->lump_vertbonecounts.start + pbase), pheader->lump_vertbonecounts.length);
-       bonecount = (void *) (pheader->lump_vertbonecounts.start + pbase);
-       for (i = 0;i < pheader->numbones;i++)
-               if (bonecount[i] < 1)
-                       Host_Error("Mod_LoadZymoticModel: bone vertex count < 1 in %s\n", loadmodel->name);
+       //zymlump_t lump_vertbonecounts; // int vertbonecounts[numvertices]; // how many bones influence each vertex (separate mainly to make this compress better)
+       vertbonecounts = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
+       bonecount = (int *) (pheader->lump_vertbonecounts.start + pbase);
+       for (i = 0;i < pheader->numverts;i++)
+       {
+               vertbonecounts[i] = BigLong(bonecount[i]);
+               if (vertbonecounts[i] < 1)
+                       Host_Error("%s bonecount[%i] < 1", loadmodel->name, i);
+       }
+
+       //zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
+       verts = (zymvertex_t *)Mem_Alloc(loadmodel->mempool, pheader->lump_verts.length);
+       vertdata = (zymvertex_t *) (pheader->lump_verts.start + pbase);
+       for (i = 0;i < pheader->lump_verts.length / (int) sizeof(zymvertex_t);i++)
+       {
+               verts[i].bonenum = BigLong(vertdata[i].bonenum);
+               verts[i].origin[0] = BigFloat(vertdata[i].origin[0]);
+               verts[i].origin[1] = BigFloat(vertdata[i].origin[1]);
+               verts[i].origin[2] = BigFloat(vertdata[i].origin[2]);
+       }
 
-//     zymlump_t lump_verts; // zymvertex_t vert[numvertices]; // see vertex struct
-       zymswapintblock((void *) (pheader->lump_verts.start + pbase), pheader->lump_verts.length);
+       //zymlump_t lump_texcoords; // float texcoords[numvertices][2];
+       outtexcoord2f = (float *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(float[2]));
+       intexcoord2f = (float *) (pheader->lump_texcoords.start + pbase);
+       for (i = 0;i < pheader->numverts;i++)
+       {
+               outtexcoord2f[i*2+0] = BigFloat(intexcoord2f[i*2+0]);
+               // flip T coordinate for OpenGL
+               outtexcoord2f[i*2+1] = 1 - BigFloat(intexcoord2f[i*2+1]);
+       }
 
-//     zymlump_t lump_texcoords; // float texcoords[numvertices][2];
-       zymswapintblock((void *) (pheader->lump_texcoords.start + pbase), pheader->lump_texcoords.length);
+       //zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
+       //loadmodel->alias.zymdata_trizone = Mem_Alloc(loadmodel->mempool, pheader->numtris);
+       //memcpy(loadmodel->alias.zymdata_trizone, (void *) (pheader->lump_trizone.start + pbase), pheader->numtris);
+
+       loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
+       loadmodel->nummeshes = loadmodel->num_surfaces;
+       loadmodel->num_textures = loadmodel->num_surfaces;
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
+       loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+       loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
+       loadmodel->meshlist = (surfmesh_t **)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
+       loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
+       for (i = 0;i < loadmodel->num_surfaces;i++)
+       {
+               loadmodel->surfacelist[i] = i;
+               loadmodel->meshlist[i] = (surfmesh_t *)data;data += sizeof(surfmesh_t);
+       }
 
-//     zymlump_t lump_render; // int renderlist[rendersize]; // sorted by shader with run lengths (int count), shaders are sequentially used, each run can be used with glDrawElements (each triangle is 3 int indices)
-       zymswapintblock((void *) (pheader->lump_render.start + pbase), pheader->lump_render.length);
-       // validate renderlist and swap winding order of tris
-       renderlist = (void *) (pheader->lump_render.start + pbase);
-       renderlistend = (void *) ((qbyte *) renderlist + pheader->lump_render.length);
-       i = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
-       if (pheader->lump_render.length != i)
-               Host_Error("Mod_LoadZymoticModel: renderlist is wrong size in %s (is %i bytes, should be %i bytes)\n", loadmodel->name, pheader->lump_render.length, i);
-       for (i = 0;i < pheader->numshaders;i++)
+       //zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
+       //zymlump_t lump_render; // int renderlist[rendersize]; // sorted by shader with run lengths (int count), shaders are sequentially used, each run can be used with glDrawElements (each triangle is 3 int indices)
+       // byteswap, validate, and swap winding order of tris
+       count = pheader->numshaders * sizeof(int) + pheader->numtris * sizeof(int[3]);
+       if (pheader->lump_render.length != count)
+               Host_Error("%s renderlist is wrong size (%i bytes, should be %i bytes)", loadmodel->name, pheader->lump_render.length, count);
+       renderlist = (int *) (pheader->lump_render.start + pbase);
+       renderlistend = (int *) ((unsigned char *) renderlist + pheader->lump_render.length);
+       for (i = 0;i < loadmodel->num_surfaces;i++)
        {
                if (renderlist >= renderlistend)
-                       Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
-               count = *renderlist++;
-               if (renderlist + count * 3 > renderlistend)
-                       Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (wrong size)\n", loadmodel->name);
-               while (count--)
-               {
-                       a = renderlist[0];
-                       b = renderlist[1];
-                       c = renderlist[2];
-                       if (a >= pheader->numverts || b >= pheader->numverts || c >= pheader->numverts)
-                               Host_Error("Mod_LoadZymoticModel: corrupt renderlist in %s (out of bounds index)\n", loadmodel->name);
-                       renderlist[0] = c;
-                       renderlist[1] = b;
-                       renderlist[2] = a;
+                       Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
+               count = BigLong(*renderlist);renderlist++;
+               if (renderlist + count * 3 > renderlistend || (i == pheader->numshaders - 1 && renderlist + count * 3 != renderlistend))
+                       Host_Error("%s corrupt renderlist (wrong size)", loadmodel->name);
+               mesh = loadmodel->meshlist[i];
+               mesh->num_triangles = count;
+               mesh->data_element3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               outelements = mesh->data_element3i;
+               for (j = 0;j < mesh->num_triangles;j++)
+               {
+                       outelements[2] = BigLong(renderlist[0]);
+                       outelements[1] = BigLong(renderlist[1]);
+                       outelements[0] = BigLong(renderlist[2]);
+                       if ((unsigned int)outelements[0] >= (unsigned int)pheader->numverts
+                        || (unsigned int)outelements[1] >= (unsigned int)pheader->numverts
+                        || (unsigned int)outelements[2] >= (unsigned int)pheader->numverts)
+                               Host_Error("%s corrupt renderlist (out of bounds index)", loadmodel->name);
+                       if (vertbonecounts[outelements[0]] == 0 || vertbonecounts[outelements[1]] == 0 || vertbonecounts[outelements[2]] == 0)
+                               Host_Error("%s corrupt renderlist (references vertex with no bone weights", loadmodel->name);
                        renderlist += 3;
+                       outelements += 3;
                }
+               remapvertices = (int *)Mem_Alloc(loadmodel->mempool, pheader->numverts * sizeof(int));
+               mesh->num_vertices = Mod_BuildVertexRemapTableFromElements(mesh->num_triangles * 3, mesh->data_element3i, pheader->numverts, remapvertices);
+               for (j = 0;j < mesh->num_triangles * 3;j++)
+                       mesh->data_element3i[j] = remapvertices[mesh->data_element3i[j]];
+               mesh->data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
+               for (j = 0;j < pheader->numverts;j++)
+               {
+                       if (remapvertices[j] >= 0)
+                       {
+                               mesh->data_texcoordtexture2f[remapvertices[j]*2+0] = outtexcoord2f[j*2+0];
+                               mesh->data_texcoordtexture2f[remapvertices[j]*2+1] = outtexcoord2f[j*2+1];
+                       }
+               }
+               mesh->num_vertexboneweights = 0;
+               for (j = 0;j < pheader->numverts;j++)
+                       if (remapvertices[j] >= 0)
+                               mesh->num_vertexboneweights += vertbonecounts[remapvertices[j]];
+               mesh->data_vertexboneweights = (surfmeshvertexboneweight_t *)Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
+               mesh->num_vertexboneweights = 0;
+               // note this vertexboneweight ordering requires that the remapvertices array is sequential numbers (separated by -1 values for omitted vertices)
+               l = 0;
+               for (j = 0;j < pheader->numverts;j++)
+               {
+                       if (remapvertices[j] < 0)
+                       {
+                               l += vertbonecounts[j];
+                               continue;
+                       }
+                       for (k = 0;k < vertbonecounts[j];k++)
+                       {
+                               // this format really should have had a per vertexweight weight value...
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = remapvertices[j];
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = verts[l].bonenum;
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = 1.0f / vertbonecounts[j];
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = verts[l].origin[0] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = verts[l].origin[1] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = verts[l].origin[2] * mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3];
+                               mesh->num_vertexboneweights++;
+                               l++;
+                       }
+               }
+               shadername = (char *) (pheader->lump_shaders.start + pbase) + i * 32;
+               // since zym models do not have named sections, reuse their shader
+               // name as the section name
+               if (shadername[0])
+                       Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, shadername, shadername);
+               else
+                       for (j = 0;j < loadmodel->numskins;j++)
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
+
+               Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
+               Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
+               Mod_Alias_Mesh_CompileFrameZero(mesh);
+
+               surface = loadmodel->data_surfaces + i;
+               surface->groupmesh = mesh;
+               surface->texture = loadmodel->data_textures + i;
+               surface->num_firsttriangle = 0;
+               surface->num_triangles = mesh->num_triangles;
+               surface->num_firstvertex = 0;
+               surface->num_vertices = mesh->num_vertices;
        }
 
-//     zymlump_t lump_shaders; // char shadername[numshaders][32]; // shaders used on this model
-       shadername = (void *) (pheader->lump_shaders.start + pbase);
-       texture = (void *) shadername;
-       for (i = 0;i < pheader->numshaders;i++)
+       Mem_Free(vertbonecounts);
+       Mem_Free(verts);
+       Mem_Free(outtexcoord2f);
+       Mod_FreeSkinFiles(skinfiles);
+}
+
+void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
+{
+       dpmheader_t *pheader;
+       dpmframe_t *frame;
+       dpmbone_t *bone;
+       dpmmesh_t *dpmmesh;
+       unsigned char *pbase;
+       int i, j, k;
+       skinfile_t *skinfiles;
+       unsigned char *data;
+
+       pheader = (dpmheader_t *)buffer;
+       pbase = (unsigned char *)buffer;
+       if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
+               Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a darkplaces model");
+       if (BigLong(pheader->type) != 2)
+               Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)", loadmodel->name);
+
+       loadmodel->type = mod_alias;
+       loadmodel->flags = 0; // there are no flags on zym models
+       loadmodel->synctype = ST_RAND;
+
+       // byteswap header
+       pheader->type = BigLong(pheader->type);
+       pheader->filesize = BigLong(pheader->filesize);
+       pheader->mins[0] = BigFloat(pheader->mins[0]);
+       pheader->mins[1] = BigFloat(pheader->mins[1]);
+       pheader->mins[2] = BigFloat(pheader->mins[2]);
+       pheader->maxs[0] = BigFloat(pheader->maxs[0]);
+       pheader->maxs[1] = BigFloat(pheader->maxs[1]);
+       pheader->maxs[2] = BigFloat(pheader->maxs[2]);
+       pheader->yawradius = BigFloat(pheader->yawradius);
+       pheader->allradius = BigFloat(pheader->allradius);
+       pheader->num_bones = BigLong(pheader->num_bones);
+       pheader->num_meshs = BigLong(pheader->num_meshs);
+       pheader->num_frames = BigLong(pheader->num_frames);
+       pheader->ofs_bones = BigLong(pheader->ofs_bones);
+       pheader->ofs_meshs = BigLong(pheader->ofs_meshs);
+       pheader->ofs_frames = BigLong(pheader->ofs_frames);
+
+       if (pheader->num_bones < 1 || pheader->num_meshs < 1)
+       {
+               Con_Printf("%s has no geometry\n");
+               return;
+       }
+       if (pheader->num_frames < 1)
        {
-               rtexture_t *rt;
-               rt = loadtextureimage(loadmodel->texturepool, shadername, 0, 0, true, r_mipskins.integer, true);
-               shadername += 32;
-               *texture++ = rt; // reuse shader name list for texture pointers
+               Con_Printf("%s has no frames\n");
+               return;
        }
 
-//     zymlump_t lump_trizone; // byte trizone[numtris]; // see trizone explanation
-       zymswapintblock((void *) (pheader->lump_trizone.start + pbase), pheader->lump_trizone.length);
+       loadmodel->DrawSky = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+       loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+       loadmodel->DrawLight = R_Q1BSP_DrawLight;
+       loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
 
        // model bbox
-       modelradius = pheader->radius;
        for (i = 0;i < 3;i++)
        {
                loadmodel->normalmins[i] = pheader->mins[i];
                loadmodel->normalmaxs[i] = pheader->maxs[i];
-               loadmodel->rotatedmins[i] = -modelradius;
-               loadmodel->rotatedmaxs[i] = modelradius;
+               loadmodel->yawmins[i] = i != 2 ? -pheader->yawradius : pheader->mins[i];
+               loadmodel->yawmaxs[i] = i != 2 ? pheader->yawradius : pheader->maxs[i];
+               loadmodel->rotatedmins[i] = -pheader->allradius;
+               loadmodel->rotatedmaxs[i] = pheader->allradius;
        }
-       corner[0] = max(fabs(loadmodel->normalmins[0]), fabs(loadmodel->normalmaxs[0]));
-       corner[1] = max(fabs(loadmodel->normalmins[1]), fabs(loadmodel->normalmaxs[1]));
-       loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
-       if (loadmodel->yawmaxs[0] > modelradius)
-               loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = modelradius;
-       loadmodel->yawmins[0] = loadmodel->yawmins[1] = -loadmodel->yawmaxs[0];
-       loadmodel->yawmins[2] = loadmodel->normalmins[2];
-       loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
+       loadmodel->radius = pheader->allradius;
+       loadmodel->radius2 = pheader->allradius * pheader->allradius;
+
+       // load external .skin files if present
+       skinfiles = Mod_LoadSkinFiles();
+       if (loadmodel->numskins < 1)
+               loadmodel->numskins = 1;
+
+       loadmodel->numframes = pheader->num_frames;
+       loadmodel->num_bones = pheader->num_bones;
+       loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
+       loadmodel->num_textures = loadmodel->nummeshes = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = pheader->num_meshs;
+
+       // do most allocations as one merged chunk
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->nummeshes * sizeof(surfmesh_t *) + loadmodel->nummeshes * sizeof(surfmesh_t) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->num_poses * sizeof(float[12]) + loadmodel->numframes * sizeof(animscene_t));
+       loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+       loadmodel->surfacelist = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
+       loadmodel->meshlist = (surfmesh_t **)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
+       loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
+       loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
+       loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
+       loadmodel->data_poses = (float *)data;data += loadmodel->num_poses * sizeof(float[12]);
+       loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
+       for (i = 0;i < loadmodel->numskins;i++)
+       {
+               loadmodel->skinscenes[i].firstframe = i;
+               loadmodel->skinscenes[i].framecount = 1;
+               loadmodel->skinscenes[i].loop = true;
+               loadmodel->skinscenes[i].framerate = 10;
+       }
+       for (i = 0;i < loadmodel->num_surfaces;i++)
+       {
+               loadmodel->surfacelist[i] = i;
+               loadmodel->meshlist[i] = (surfmesh_t *)data;data += sizeof(surfmesh_t);
+       }
+
+       // load the bone info
+       bone = (dpmbone_t *) (pbase + pheader->ofs_bones);
+       for (i = 0;i < loadmodel->num_bones;i++)
+       {
+               memcpy(loadmodel->data_bones[i].name, bone[i].name, sizeof(bone[i].name));
+               loadmodel->data_bones[i].flags = BigLong(bone[i].flags);
+               loadmodel->data_bones[i].parent = BigLong(bone[i].parent);
+               if (loadmodel->data_bones[i].parent >= i)
+                       Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
+       }
+
+       // load the frames
+       frame = (dpmframe_t *) (pbase + pheader->ofs_frames);
+       for (i = 0;i < loadmodel->numframes;i++)
+       {
+               const float *poses;
+               memcpy(loadmodel->animscenes[i].name, frame->name, sizeof(frame->name));
+               loadmodel->animscenes[i].firstframe = i;
+               loadmodel->animscenes[i].framecount = 1;
+               loadmodel->animscenes[i].loop = true;
+               loadmodel->animscenes[i].framerate = 10;
+               // load the bone poses for this frame
+               poses = (float *) (pbase + BigLong(frame->ofs_bonepositions));
+               for (j = 0;j < loadmodel->num_bones*12;j++)
+                       loadmodel->data_poses[i * loadmodel->num_bones*12 + j] = BigFloat(poses[j]);
+               // stuff not processed here: mins, maxs, yawradius, allradius
+               frame++;
+       }
+
+       // load the meshes now
+       dpmmesh = (dpmmesh_t *) (pbase + pheader->ofs_meshs);
+       for (i = 0;i < loadmodel->num_surfaces;i++)
+       {
+               const int *inelements;
+               int *outelements;
+               const float *intexcoord;
+               surfmesh_t *mesh;
+               msurface_t *surface;
+
+               mesh = loadmodel->meshlist[i];
+               mesh->num_triangles = BigLong(dpmmesh->num_tris);
+               mesh->num_vertices = BigLong(dpmmesh->num_verts);
+
+               // to find out how many weights exist we two a two-stage load...
+               mesh->num_vertexboneweights = 0;
+               data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
+               for (j = 0;j < mesh->num_vertices;j++)
+               {
+                       int numweights = BigLong(((dpmvertex_t *)data)->numbones);
+                       mesh->num_vertexboneweights += numweights;
+                       data += sizeof(dpmvertex_t);
+                       data += numweights * sizeof(dpmbonevert_t);
+               }
 
-       loadmodel->Draw = R_DrawAliasModel;
+               // allocate things now that we know how many
+               mesh->data_vertexboneweights = (surfmeshvertexboneweight_t *)Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
+               mesh->data_element3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
+
+               inelements = (int *) (pbase + BigLong(dpmmesh->ofs_indices));
+               outelements = mesh->data_element3i;
+               for (j = 0;j < mesh->num_triangles;j++)
+               {
+                       // swap element order to flip triangles, because Quake uses clockwise (rare) and dpm uses counterclockwise (standard)
+                       outelements[0] = BigLong(inelements[2]);
+                       outelements[1] = BigLong(inelements[1]);
+                       outelements[2] = BigLong(inelements[0]);
+                       inelements += 3;
+                       outelements += 3;
+               }
+
+               intexcoord = (float *) (pbase + BigLong(dpmmesh->ofs_texcoords));
+               for (j = 0;j < mesh->num_vertices*2;j++)
+                       mesh->data_texcoordtexture2f[j] = BigFloat(intexcoord[j]);
+
+               // now load them for real
+               mesh->num_vertexboneweights = 0;
+               data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
+               for (j = 0;j < mesh->num_vertices;j++)
+               {
+                       int numweights = BigLong(((dpmvertex_t *)data)->numbones);
+                       data += sizeof(dpmvertex_t);
+                       for (k = 0;k < numweights;k++)
+                       {
+                               const dpmbonevert_t *vert = (dpmbonevert_t *) data;
+                               // stuff not processed here: normal
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = j;
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = BigLong(vert->bonenum);
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[0] = BigFloat(vert->origin[0]);
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[1] = BigFloat(vert->origin[1]);
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[2] = BigFloat(vert->origin[2]);
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin[3] = BigFloat(vert->influence);
+                               mesh->num_vertexboneweights++;
+                               data += sizeof(dpmbonevert_t);
+                       }
+               }
+
+               // since dpm models do not have named sections, reuse their shader name as the section name
+               if (dpmmesh->shadername[0])
+                       Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + i, skinfiles, dpmmesh->shadername, dpmmesh->shadername);
+               else
+                       for (j = 0;j < loadmodel->numskins;j++)
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + i + j * loadmodel->num_surfaces, NULL);
+
+               Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
+               Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
+               Mod_Alias_Mesh_CompileFrameZero(mesh);
+
+               surface = loadmodel->data_surfaces + i;
+               surface->groupmesh = mesh;
+               surface->texture = loadmodel->data_textures + i;
+               surface->num_firsttriangle = 0;
+               surface->num_triangles = mesh->num_triangles;
+               surface->num_firstvertex = 0;
+               surface->num_vertices = mesh->num_vertices;
+
+               dpmmesh++;
+       }
+       Mod_FreeSkinFiles(skinfiles);
+}
+
+static void Mod_PSKMODEL_AnimKeyToMatrix(float *origin, float *quat, matrix4x4_t *m)
+{
+       float x = quat[0], y = quat[1], z = quat[2], w = quat[3];
+       m->m[0][0]=1-2*(y*y+z*z);m->m[0][1]=  2*(x*y-z*w);m->m[0][2]=  2*(x*z+y*w);m->m[0][3]=origin[0];
+       m->m[1][0]=  2*(x*y+z*w);m->m[1][1]=1-2*(x*x+z*z);m->m[1][2]=  2*(y*z-x*w);m->m[1][3]=origin[1];
+       m->m[2][0]=  2*(x*z-y*w);m->m[2][1]=  2*(y*z+x*w);m->m[2][2]=1-2*(x*x+y*y);m->m[2][3]=origin[2];
+       m->m[3][0]=  0          ;m->m[3][1]=  0          ;m->m[3][2]=  0          ;m->m[3][3]=1;
+}
+
+// no idea why PSK/PSA files contain weird quaternions but they do...
+#define PSKQUATNEGATIONS
+void Mod_PSKMODEL_Load(model_t *mod, void *buffer, void *bufferend)
+{
+       int i, j, index, version, recordsize, numrecords;
+       int numpnts, numvtxw, numfaces, nummatts, numbones, numrawweights, numanimbones, numanims, numanimkeys;
+       fs_offset_t filesize;
+       pskpnts_t *pnts;
+       pskvtxw_t *vtxw;
+       pskface_t *faces;
+       pskmatt_t *matts;
+       pskboneinfo_t *bones;
+       pskrawweights_t *rawweights;
+       pskboneinfo_t *animbones;
+       pskaniminfo_t *anims;
+       pskanimkeys_t *animkeys;
+       void *animfilebuffer, *animbuffer, *animbufferend;
+       pskchunk_t *pchunk;
+       surfmesh_t *mesh;
+       skinfile_t *skinfiles;
+       char animname[MAX_QPATH];
+
+       pchunk = (pskchunk_t *)buffer;
+       if (strcmp(pchunk->id, "ACTRHEAD"))
+               Host_Error ("Mod_PSKMODEL_Load: %s is not an Unreal Engine ActorX (.psk + .psa) model");
+
+       loadmodel->type = mod_alias;
        loadmodel->DrawSky = NULL;
-       loadmodel->DrawShadow = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       loadmodel->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
+       loadmodel->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+       loadmodel->DrawLight = R_Q1BSP_DrawLight;
+       loadmodel->TraceBox = Mod_MDLMD2MD3_TraceBox;
+       loadmodel->flags = 0; // there are no flags on zym models
+       loadmodel->synctype = ST_RAND;
+
+       // load external .skin files if present
+       skinfiles = Mod_LoadSkinFiles();
+       if (loadmodel->numskins < 1)
+               loadmodel->numskins = 1;
+       loadmodel->skinscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
+       for (i = 0;i < loadmodel->numskins;i++)
+       {
+               loadmodel->skinscenes[i].firstframe = i;
+               loadmodel->skinscenes[i].framecount = 1;
+               loadmodel->skinscenes[i].loop = true;
+               loadmodel->skinscenes[i].framerate = 10;
+       }
+
+       FS_StripExtension(loadmodel->name, animname, sizeof(animname));
+       strlcat(animname, ".psa", sizeof(animname));
+       animbuffer = animfilebuffer = FS_LoadFile(animname, loadmodel->mempool, false, &filesize);
+       animbufferend = (void *)((unsigned char*)animbuffer + (int)filesize);
+       if (animbuffer == NULL)
+               Host_Error("%s: can't find .psa file (%s)", loadmodel->name, animname);
+
+       numpnts = 0;
+       pnts = NULL;
+       numvtxw = 0;
+       vtxw = NULL;
+       numfaces = 0;
+       faces = NULL;
+       nummatts = 0;
+       matts = NULL;
+       numbones = 0;
+       bones = NULL;
+       numrawweights = 0;
+       rawweights = NULL;
+       numanims = 0;
+       anims = NULL;
+       numanimkeys = 0;
+       animkeys = NULL;
+
+       while (buffer < bufferend)
+       {
+               pchunk = (pskchunk_t *)buffer;
+               buffer = (void *)((unsigned char *)buffer + sizeof(pskchunk_t));
+               version = LittleLong(pchunk->version);
+               recordsize = LittleLong(pchunk->recordsize);
+               numrecords = LittleLong(pchunk->numrecords);
+               if (developer.integer)
+                       Con_Printf("%s: %s %x: %i * %i = %i\n", loadmodel->name, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
+               if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e)
+                       Con_Printf ("%s: chunk %s has unknown version %x (0x1e83b9, 0x1e9179 and 0x2e are currently supported), trying to load anyway!\n", loadmodel->name, pchunk->id, version);
+               if (!strcmp(pchunk->id, "ACTRHEAD"))
+               {
+                       // nothing to do
+               }
+               else if (!strcmp(pchunk->id, "PNTS0000"))
+               {
+                       pskpnts_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numpnts = numrecords;
+                       pnts = (pskpnts_t *)buffer;
+                       for (index = 0, p = (pskpnts_t *)buffer;index < numrecords;index++, p++)
+                       {
+                               p->origin[0] = LittleFloat(p->origin[0]);
+                               p->origin[1] = LittleFloat(p->origin[1]);
+                               p->origin[2] = LittleFloat(p->origin[2]);
+                       }
+                       buffer = p;
+               }
+               else if (!strcmp(pchunk->id, "VTXW0000"))
+               {
+                       pskvtxw_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numvtxw = numrecords;
+                       vtxw = (pskvtxw_t *)buffer;
+                       for (index = 0, p = (pskvtxw_t *)buffer;index < numrecords;index++, p++)
+                       {
+                               p->pntsindex = LittleShort(p->pntsindex);
+                               p->texcoord[0] = LittleFloat(p->texcoord[0]);
+                               p->texcoord[1] = LittleFloat(p->texcoord[1]);
+                               if (p->pntsindex >= numpnts)
+                               {
+                                       Con_Printf("%s: vtxw->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
+                                       p->pntsindex = 0;
+                               }
+                       }
+                       buffer = p;
+               }
+               else if (!strcmp(pchunk->id, "FACE0000"))
+               {
+                       pskface_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numfaces = numrecords;
+                       faces = (pskface_t *)buffer;
+                       for (index = 0, p = (pskface_t *)buffer;index < numrecords;index++, p++)
+                       {
+                               p->vtxwindex[0] = LittleShort(p->vtxwindex[0]);
+                               p->vtxwindex[1] = LittleShort(p->vtxwindex[1]);
+                               p->vtxwindex[2] = LittleShort(p->vtxwindex[2]);
+                               p->group = LittleLong(p->group);
+                               if (p->vtxwindex[0] >= numvtxw)
+                               {
+                                       Con_Printf("%s: face->vtxwindex[0] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[0], numvtxw);
+                                       p->vtxwindex[0] = 0;
+                               }
+                               if (p->vtxwindex[1] >= numvtxw)
+                               {
+                                       Con_Printf("%s: face->vtxwindex[1] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[1], numvtxw);
+                                       p->vtxwindex[1] = 0;
+                               }
+                               if (p->vtxwindex[2] >= numvtxw)
+                               {
+                                       Con_Printf("%s: face->vtxwindex[2] %i >= numvtxw %i\n", loadmodel->name, p->vtxwindex[2], numvtxw);
+                                       p->vtxwindex[2] = 0;
+                               }
+                       }
+                       buffer = p;
+               }
+               else if (!strcmp(pchunk->id, "MATT0000"))
+               {
+                       pskmatt_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       nummatts = numrecords;
+                       matts = (pskmatt_t *)buffer;
+                       for (index = 0, p = (pskmatt_t *)buffer;index < numrecords;index++, p++)
+                       {
+                       }
+                       buffer = p;
+               }
+               else if (!strcmp(pchunk->id, "REFSKELT"))
+               {
+                       pskboneinfo_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numbones = numrecords;
+                       bones = (pskboneinfo_t *)buffer;
+                       for (index = 0, p = (pskboneinfo_t *)buffer;index < numrecords;index++, p++)
+                       {
+                               p->numchildren = LittleLong(p->numchildren);
+                               p->parent = LittleLong(p->parent);
+                               p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
+                               p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
+                               p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
+                               p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
+                               p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
+                               p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
+                               p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
+                               p->basepose.unknown = LittleFloat(p->basepose.unknown);
+                               p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
+                               p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
+                               p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
+#ifdef PSKQUATNEGATIONS
+                               if (index)
+                               {
+                                       p->basepose.quat[0] *= -1;
+                                       p->basepose.quat[1] *= -1;
+                                       p->basepose.quat[2] *= -1;
+                               }
+                               else
+                               {
+                                       p->basepose.quat[0] *=  1;
+                                       p->basepose.quat[1] *= -1;
+                                       p->basepose.quat[2] *=  1;
+                               }
+#endif
+                               if (p->parent < 0 || p->parent >= numbones)
+                               {
+                                       Con_Printf("%s: bone->parent %i >= numbones %i\n", loadmodel->name, p->parent, numbones);
+                                       p->parent = 0;
+                               }
+                       }
+                       buffer = p;
+               }
+               else if (!strcmp(pchunk->id, "RAWWEIGHTS"))
+               {
+                       pskrawweights_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", loadmodel->name, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numrawweights = numrecords;
+                       rawweights = (pskrawweights_t *)buffer;
+                       for (index = 0, p = (pskrawweights_t *)buffer;index < numrecords;index++, p++)
+                       {
+                               p->weight = LittleFloat(p->weight);
+                               p->pntsindex = LittleLong(p->pntsindex);
+                               p->boneindex = LittleLong(p->boneindex);
+                               if (p->pntsindex < 0 || p->pntsindex >= numpnts)
+                               {
+                                       Con_Printf("%s: weight->pntsindex %i >= numpnts %i\n", loadmodel->name, p->pntsindex, numpnts);
+                                       p->pntsindex = 0;
+                               }
+                               if (p->boneindex < 0 || p->boneindex >= numbones)
+                               {
+                                       Con_Printf("%s: weight->boneindex %i >= numbones %i\n", loadmodel->name, p->boneindex, numbones);
+                                       p->boneindex = 0;
+                               }
+                       }
+                       buffer = p;
+               }
+       }
+
+       while (animbuffer < animbufferend)
+       {
+               pchunk = (pskchunk_t *)animbuffer;
+               animbuffer = (void *)((unsigned char *)animbuffer + sizeof(pskchunk_t));
+               version = LittleLong(pchunk->version);
+               recordsize = LittleLong(pchunk->recordsize);
+               numrecords = LittleLong(pchunk->numrecords);
+               if (developer.integer)
+                       Con_Printf("%s: %s %x: %i * %i = %i\n", animname, pchunk->id, version, recordsize, numrecords, recordsize * numrecords);
+               if (version != 0x1e83b9 && version != 0x1e9179 && version != 0x2e)
+                       Con_Printf ("%s: chunk %s has unknown version %x (0x1e83b9, 0x1e9179 and 0x2e are currently supported), trying to load anyway!\n", animname, pchunk->id, version);
+               if (!strcmp(pchunk->id, "ANIMHEAD"))
+               {
+                       // nothing to do
+               }
+               else if (!strcmp(pchunk->id, "BONENAMES"))
+               {
+                       pskboneinfo_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numanimbones = numrecords;
+                       animbones = (pskboneinfo_t *)animbuffer;
+                       // NOTE: supposedly psa does not need to match the psk model, the
+                       // bones missing from the psa would simply use their base
+                       // positions from the psk, but this is hard for me to implement
+                       // and people can easily make animations that match.
+                       if (numanimbones != numbones)
+                               Host_Error("%s: this loader only supports animations with the same bones as the mesh");
+                       for (index = 0, p = (pskboneinfo_t *)animbuffer;index < numrecords;index++, p++)
+                       {
+                               p->numchildren = LittleLong(p->numchildren);
+                               p->parent = LittleLong(p->parent);
+                               p->basepose.quat[0] = LittleFloat(p->basepose.quat[0]);
+                               p->basepose.quat[1] = LittleFloat(p->basepose.quat[1]);
+                               p->basepose.quat[2] = LittleFloat(p->basepose.quat[2]);
+                               p->basepose.quat[3] = LittleFloat(p->basepose.quat[3]);
+                               p->basepose.origin[0] = LittleFloat(p->basepose.origin[0]);
+                               p->basepose.origin[1] = LittleFloat(p->basepose.origin[1]);
+                               p->basepose.origin[2] = LittleFloat(p->basepose.origin[2]);
+                               p->basepose.unknown = LittleFloat(p->basepose.unknown);
+                               p->basepose.size[0] = LittleFloat(p->basepose.size[0]);
+                               p->basepose.size[1] = LittleFloat(p->basepose.size[1]);
+                               p->basepose.size[2] = LittleFloat(p->basepose.size[2]);
+#ifdef PSKQUATNEGATIONS
+                               if (index)
+                               {
+                                       p->basepose.quat[0] *= -1;
+                                       p->basepose.quat[1] *= -1;
+                                       p->basepose.quat[2] *= -1;
+                               }
+                               else
+                               {
+                                       p->basepose.quat[0] *=  1;
+                                       p->basepose.quat[1] *= -1;
+                                       p->basepose.quat[2] *=  1;
+                               }
+#endif
+                               if (p->parent < 0 || p->parent >= numanimbones)
+                               {
+                                       Con_Printf("%s: bone->parent %i >= numanimbones %i\n", animname, p->parent, numanimbones);
+                                       p->parent = 0;
+                               }
+                               // check that bones are the same as in the base
+                               if (strcmp(p->name, bones[index].name) || p->parent != bones[index].parent)
+                                       Host_Error("%s: this loader only supports animations with the same bones as the mesh", animname);
+                       }
+                       animbuffer = p;
+               }
+               else if (!strcmp(pchunk->id, "ANIMINFO"))
+               {
+                       pskaniminfo_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
+                       // byteswap in place and keep the pointer
+                       numanims = numrecords;
+                       anims = (pskaniminfo_t *)animbuffer;
+                       for (index = 0, p = (pskaniminfo_t *)animbuffer;index < numrecords;index++, p++)
+                       {
+                               p->numbones = LittleLong(p->numbones);
+                               p->playtime = LittleFloat(p->playtime);
+                               p->fps = LittleFloat(p->fps);
+                               p->firstframe = LittleLong(p->firstframe);
+                               p->numframes = LittleLong(p->numframes);
+                               if (p->numbones != numbones)
+                               {
+                                       Con_Printf("%s: animinfo->numbones != numbones, trying to load anyway!\n", animname);
+                               }
+                       }
+                       animbuffer = p;
+               }
+               else if (!strcmp(pchunk->id, "ANIMKEYS"))
+               {
+                       pskanimkeys_t *p;
+                       if (recordsize != sizeof(*p))
+                               Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
+                       numanimkeys = numrecords;
+                       animkeys = (pskanimkeys_t *)animbuffer;
+                       for (index = 0, p = (pskanimkeys_t *)animbuffer;index < numrecords;index++, p++)
+                       {
+                               p->origin[0] = LittleFloat(p->origin[0]);
+                               p->origin[1] = LittleFloat(p->origin[1]);
+                               p->origin[2] = LittleFloat(p->origin[2]);
+                               p->quat[0] = LittleFloat(p->quat[0]);
+                               p->quat[1] = LittleFloat(p->quat[1]);
+                               p->quat[2] = LittleFloat(p->quat[2]);
+                               p->quat[3] = LittleFloat(p->quat[3]);
+                               p->frametime = LittleFloat(p->frametime);
+#ifdef PSKQUATNEGATIONS
+                               if (index % numbones)
+                               {
+                                       p->quat[0] *= -1;
+                                       p->quat[1] *= -1;
+                                       p->quat[2] *= -1;
+                               }
+                               else
+                               {
+                                       p->quat[0] *=  1;
+                                       p->quat[1] *= -1;
+                                       p->quat[2] *=  1;
+                               }
+#endif
+                       }
+                       animbuffer = p;
+                       // TODO: allocate bonepose stuff
+               }
+               else
+                       Con_Printf("%s: unknown chunk ID \"%s\"\n", animname, pchunk->id);
+       }
+
+       if (!numpnts || !pnts || !numvtxw || !vtxw || !numfaces || !faces || !nummatts || !matts || !numbones || !bones || !numrawweights || !rawweights || !numanims || !anims || !numanimkeys || !animkeys)
+               Host_Error("%s: missing required chunks", loadmodel->name);
+
+       // FIXME: model bbox
+       // model bbox
+       for (i = 0;i < 3;i++)
+       {
+               loadmodel->normalmins[i] = -128;
+               loadmodel->normalmaxs[i] = 128;
+               loadmodel->yawmins[i] = -128;
+               loadmodel->yawmaxs[i] = 128;
+               loadmodel->rotatedmins[i] = -128;
+               loadmodel->rotatedmaxs[i] = 128;
+       }
+       loadmodel->radius = 128;
+       loadmodel->radius2 = loadmodel->radius * loadmodel->radius;
+
+       loadmodel->numframes = 0;
+       for (index = 0;index < numanims;index++)
+               loadmodel->numframes += anims[index].numframes;
+
+       loadmodel->num_bones = numbones;
+       loadmodel->num_poses = loadmodel->num_bones * loadmodel->numframes;
+       loadmodel->num_textures = loadmodel->nummeshes = loadmodel->nummodelsurfaces = loadmodel->num_surfaces = nummatts;
+
+       if (numanimkeys != loadmodel->num_bones * loadmodel->numframes)
+               Host_Error("%s: %s has incorrect number of animation keys", animname, pchunk->id);
+
+       loadmodel->data_poses = (float *)Mem_Alloc(loadmodel->mempool, loadmodel->num_poses * sizeof(float[12]));
+       loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
+       loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t));
+       loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t));
+       loadmodel->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(int));
+       loadmodel->data_bones = (aliasbone_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_bones * sizeof(aliasbone_t));
+
+       loadmodel->meshlist = (surfmesh_t **)Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *));
+       mesh = loadmodel->meshlist[0] = (surfmesh_t *)Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t));
+       mesh->num_vertices = numvtxw;
+       mesh->num_triangles = numfaces;
+       mesh->data_element3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+       mesh->data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+       mesh->data_texcoordtexture2f = (float *)Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
+
+       // create surfaces
+       for (index = 0, i = 0;index < nummatts;index++)
+       {
+               // since psk models do not have named sections, reuse their shader name as the section name
+               if (matts[index].name[0])
+                       Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + index, skinfiles, matts[index].name, matts[index].name);
+               else
+                       for (j = 0;j < loadmodel->numskins;j++)
+                               Mod_BuildAliasSkinFromSkinFrame(loadmodel->data_textures + index + j * loadmodel->num_surfaces, NULL);
+               loadmodel->surfacelist[index] = index;
+               loadmodel->data_surfaces[index].groupmesh = loadmodel->meshlist[0];
+               loadmodel->data_surfaces[index].texture = loadmodel->data_textures + index;
+               loadmodel->data_surfaces[index].num_firstvertex = 0;
+               loadmodel->data_surfaces[index].num_vertices = loadmodel->meshlist[0]->num_vertices;
+       }
+
+       // copy over the texcoords
+       for (index = 0;index < numvtxw;index++)
+       {
+               mesh->data_texcoordtexture2f[index*2+0] = vtxw[index].texcoord[0];
+               mesh->data_texcoordtexture2f[index*2+1] = vtxw[index].texcoord[1];
+       }
+
+       // loading the faces is complicated because we need to sort them into surfaces by mattindex
+       for (index = 0;index < numfaces;index++)
+               loadmodel->data_surfaces[faces[index].mattindex].num_triangles++;
+       for (index = 0, i = 0;index < nummatts;index++)
+       {
+               loadmodel->data_surfaces[index].num_firsttriangle = i;
+               i += loadmodel->data_surfaces[index].num_triangles;
+               loadmodel->data_surfaces[index].num_triangles = 0;
+       }
+       for (index = 0;index < numfaces;index++)
+       {
+               i = (loadmodel->data_surfaces[faces[index].mattindex].num_firsttriangle + loadmodel->data_surfaces[faces[index].mattindex].num_triangles++)*3;
+               mesh->data_element3i[i+0] = faces[index].vtxwindex[0];
+               mesh->data_element3i[i+1] = faces[index].vtxwindex[1];
+               mesh->data_element3i[i+2] = faces[index].vtxwindex[2];
+       }
+
+       // copy over the bones
+       for (index = 0;index < numbones;index++)
+       {
+               strlcpy(loadmodel->data_bones[index].name, bones[index].name, sizeof(loadmodel->data_bones[index].name));
+               loadmodel->data_bones[index].parent = (index || bones[index].parent > 0) ? bones[index].parent : -1;
+               if (loadmodel->data_bones[index].parent >= index)
+                       Host_Error("%s bone[%i].parent >= %i", loadmodel->name, index, index);
+       }
+
+       // build bone-relative vertex weights from the psk point weights
+       mesh->num_vertexboneweights = 0;
+       for (index = 0;index < numvtxw;index++)
+               for (j = 0;j < numrawweights;j++)
+                       if (rawweights[j].pntsindex == vtxw[index].pntsindex)
+                               mesh->num_vertexboneweights++;
+       mesh->data_vertexboneweights = (surfmeshvertexboneweight_t *)Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
+       mesh->num_vertexboneweights = 0;
+       for (index = 0;index < numvtxw;index++)
+       {
+               for (j = 0;j < numrawweights;j++)
+               {
+                       if (rawweights[j].pntsindex == vtxw[index].pntsindex)
+                       {
+                               matrix4x4_t matrix, inversematrix;
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].vertexindex = index;
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].boneindex = rawweights[j].boneindex;
+                               mesh->data_vertexboneweights[mesh->num_vertexboneweights].weight = rawweights[j].weight;
+                               matrix = identitymatrix;
+                               for (i = rawweights[j].boneindex;i >= 0;i = loadmodel->data_bones[i].parent)
+                               {
+                                       matrix4x4_t childmatrix, tempmatrix;
+                                       Mod_PSKMODEL_AnimKeyToMatrix(bones[i].basepose.origin, bones[i].basepose.quat, &tempmatrix);
+                                       childmatrix = matrix;
+                                       Matrix4x4_Concat(&matrix, &tempmatrix, &childmatrix);
+                               }
+                               Matrix4x4_Invert_Simple(&inversematrix, &matrix);
+                               Matrix4x4_Transform(&inversematrix, pnts[rawweights[j].pntsindex].origin, mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin);
+                               VectorScale(mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin, mesh->data_vertexboneweights[mesh->num_vertexboneweights].weight, mesh->data_vertexboneweights[mesh->num_vertexboneweights].origin);
+                               mesh->num_vertexboneweights++;
+                       }
+               }
+       }
+
+       // set up the animscenes based on the anims
+       for (index = 0, i = 0;index < numanims;index++)
+       {
+               for (j = 0;j < anims[index].numframes;j++, i++)
+               {
+                       dpsnprintf(loadmodel->animscenes[i].name, sizeof(loadmodel->animscenes[i].name), "%s_%d", anims[index].name, j);
+                       loadmodel->animscenes[i].firstframe = i;
+                       loadmodel->animscenes[i].framecount = 1;
+                       loadmodel->animscenes[i].loop = true;
+                       loadmodel->animscenes[i].framerate = 10;
+               }
+       }
+
+       // load the poses from the animkeys
+       for (index = 0;index < numanimkeys;index++)
+       {
+               matrix4x4_t matrix;
+               Mod_PSKMODEL_AnimKeyToMatrix(animkeys[index].origin, animkeys[index].quat, &matrix);
+               loadmodel->data_poses[index*12+0] = matrix.m[0][0];
+               loadmodel->data_poses[index*12+1] = matrix.m[0][1];
+               loadmodel->data_poses[index*12+2] = matrix.m[0][2];
+               loadmodel->data_poses[index*12+3] = matrix.m[0][3];
+               loadmodel->data_poses[index*12+4] = matrix.m[1][0];
+               loadmodel->data_poses[index*12+5] = matrix.m[1][1];
+               loadmodel->data_poses[index*12+6] = matrix.m[1][2];
+               loadmodel->data_poses[index*12+7] = matrix.m[1][3];
+               loadmodel->data_poses[index*12+8] = matrix.m[2][0];
+               loadmodel->data_poses[index*12+9] = matrix.m[2][1];
+               loadmodel->data_poses[index*12+10] = matrix.m[2][2];
+               loadmodel->data_poses[index*12+11] = matrix.m[2][3];
+       }
+
+       // compile extra data we want
+       Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
+       Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
+       Mod_Alias_Mesh_CompileFrameZero(mesh);
+
+       Mem_Free(animfilebuffer);
+       Mod_FreeSkinFiles(skinfiles);
 }