]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_alias.c
some cleaning of the model headers, and added bufferend parameter to all model loaders
[xonotic/darkplaces.git] / model_alias.c
index e0b3fa342415c9ec1d791db89d607fd213b56126..e7e6a1ee117093779855e9ba4523fc90a23f67da 100644 (file)
@@ -177,7 +177,7 @@ static void Mod_Alias_Mesh_CompileFrameZero(surfmesh_t *mesh)
        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);
+       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 boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
@@ -419,7 +419,7 @@ static void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfi
 extern void R_Q1BSP_Draw(entity_render_t *ent);
 extern void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
 extern void R_Q1BSP_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist);
-void Mod_IDP0_Load(model_t *mod, void *buffer)
+void Mod_IDP0_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i, j, version, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
        float scales, scalet, scale[3], translate[3], interval;
@@ -741,7 +741,7 @@ static void Mod_MD2_ConvertVerts (vec3_t scale, vec3_t translate, trivertx_t *v,
        }
 }
 
-void Mod_IDP2_Load(model_t *mod, void *buffer)
+void Mod_IDP2_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i, j, k, hashindex, num, numxyz, numst, xyz, st, skinwidth, skinheight, *vertremap, version, end, numverts;
        float *stverts, s, t, scale[3], translate[3];
@@ -985,7 +985,7 @@ void Mod_IDP2_Load(model_t *mod, void *buffer)
        surface->num_vertices = surface->groupmesh->num_vertices;
 }
 
-void Mod_IDP3_Load(model_t *mod, void *buffer)
+void Mod_IDP3_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i, j, k, version;
        qbyte *data;
@@ -1123,7 +1123,7 @@ void Mod_IDP3_Load(model_t *mod, void *buffer)
        Mod_FreeSkinFiles(skinfiles);
 }
 
-void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
+void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer, void *bufferend)
 {
        zymtype1header_t *pinmodel, *pheader;
        qbyte *pbase;
@@ -1355,7 +1355,6 @@ void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
                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]];
-               Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
                mesh->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
                for (j = 0;j < pheader->numverts;j++)
                {
@@ -1420,3 +1419,215 @@ void Mod_ZYMOTICMODEL_Load(model_t *mod, void *buffer)
        Mem_Free(outtexcoord2f);
 }
 
+void Mod_DARKPLACESMODEL_Load(model_t *mod, void *buffer, void *bufferend)
+{
+       dpmheader_t *pheader;
+       dpmframe_t *frame;
+       dpmbone_t *bone;
+       dpmmesh_t *dpmmesh;
+       qbyte *pbase;
+       int i, j, k;
+       skinfile_t *skinfiles;
+       qbyte *data;
+
+       pheader = (void *)buffer;
+       pbase = buffer;
+       if (memcmp(pheader->id, "DARKPLACESMODEL\0", 16))
+               Host_Error ("Mod_DARKPLACESMODEL_Load: %s is not a zymotic model\n");
+       if (BigLong(pheader->type) != 2)
+               Host_Error ("Mod_DARKPLACESMODEL_Load: only type 2 (hierarchical skeletal pose) models are currently supported (name = %s)\n", loadmodel->name);
+
+       loadmodel->type = mod_alias;
+       loadmodel->DrawSky = NULL;
+       loadmodel->Draw = R_Q1BSP_Draw;
+       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;
+
+       // 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);
+
+       // model bbox
+       for (i = 0;i < 3;i++)
+       {
+               loadmodel->normalmins[i] = pheader->mins[i];
+               loadmodel->normalmaxs[i] = pheader->maxs[i];
+               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;
+       }
+       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 = 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 = (void *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
+       loadmodel->surfacelist = (void *)data;data += loadmodel->num_surfaces * sizeof(int);
+       loadmodel->meshlist = (void *)data;data += loadmodel->num_surfaces * sizeof(surfmesh_t *);
+       loadmodel->data_textures = (void *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
+       loadmodel->skinscenes = (void *)data;data += loadmodel->numskins * sizeof(animscene_t);
+       loadmodel->data_bones = (void *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
+       loadmodel->data_poses = (void *)data;data += loadmodel->num_poses * sizeof(float[12]);
+       loadmodel->animscenes = (void *)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] = (void *)data;data += sizeof(surfmesh_t);
+       }
+
+       // load the bone info
+       bone = (void *) (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\n", loadmodel->name, i, i);
+       }
+
+       // load the frames
+       frame = (void *) (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 = (void *) (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 = (void *) (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 = (void *) (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);
+               }
+
+               // allocate things now that we know how many
+               mesh->data_vertexboneweights = Mem_Alloc(loadmodel->mempool, mesh->num_vertexboneweights * sizeof(surfmeshvertexboneweight_t));
+               mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+               mesh->data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
+
+               inelements = (void *) (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 = (void *) (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 = (void *) (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 = (void *) 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++;
+       }
+}
+