]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_alias.c
add bih.[ch] to MSVC projects
[xonotic/darkplaces.git] / model_alias.c
index 7a2c8d60f27515a38f9388c76ad31f8dec278967..9fd4d1cce97d4d622a7f580ee185f26c18099edc 100644 (file)
@@ -46,14 +46,93 @@ void Mod_AliasInit (void)
                mod_md3_sin[i] = sin(i * M_PI * 2.0f / 256.0);
 }
 
-void Mod_Skeletal_AnimateVertices(const dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
+int Mod_Skeletal_AddBlend(dp_model_t *model, const int *newindex, const float *newinfluence)
+{
+       int i, total;
+       float scale;
+       blendweights_t *weights;
+       blendweights_t newweights;
+       if(!newinfluence[1])
+               return newindex[0];
+       scale = 0;
+       for (i = 0;i < 4;i++)
+               scale += newinfluence[i];
+       scale = 255.0f / scale;
+       total = 0;
+       for (i = 0;i < 4;i++)
+       {
+               newweights.index[i] = newindex[i];
+               newweights.influence[i] = (unsigned char)(newinfluence[i] * scale);
+               total += newweights.influence[i];
+       }       
+       while (total > 255)
+       {
+               for (i = 0;i < 4;i++)
+               {
+                       if(newweights.influence[i] > 0 && total > 255) 
+                       { 
+                               newweights.influence[i]--;
+                               total--; 
+                       }
+               }
+       }
+       while (total < 255)
+       {
+               for (i = 0; i < 4;i++)
+               {
+                       if(newweights.influence[i] < 255 && total < 255) 
+                       { 
+                               newweights.influence[i]++; 
+                               total++; 
+                       }
+               }
+       }
+       weights = model->surfmesh.data_blendweights;
+       for (i = 0;i < model->surfmesh.num_blends;i++, weights++)
+       {
+               if (!memcmp(weights, &newweights, sizeof(blendweights_t)))
+                       return model->num_bones + i;
+       }
+       model->surfmesh.num_blends++;
+       memcpy(weights, &newweights, sizeof(blendweights_t));
+       return model->num_bones + i;
+} 
+                
+static int maxbonepose = 0;
+static float (*bonepose)[12] = NULL;
+
+void Mod_Skeletal_FreeBuffers(void)
+{
+       if(bonepose)
+               Mem_Free(bonepose);
+       maxbonepose = 0;
+       bonepose = NULL;
+}
+
+#if defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1400)
+#define RESTRICT __restrict
+#else
+#define RESTRICT
+#endif
+
+void Mod_Skeletal_AnimateVertices(const dp_model_t * RESTRICT model, const frameblend_t * RESTRICT frameblend, const skeleton_t *skeleton, float * RESTRICT vertex3f, float * RESTRICT normal3f, float * RESTRICT svector3f, float * RESTRICT tvector3f)
 {
-#define MAX_BONES 256
        // vertex weighted skeletal
        int i, k;
        int blends;
-       float boneposerelative[MAX_BONES][12];
-       float m[12], bonepose[MAX_BONES][12];
+       float m[12];
+       float (*boneposerelative)[12];
+       const blendweights_t * RESTRICT weights;
+
+       if (maxbonepose < model->num_bones*2 + model->surfmesh.num_blends)
+       {
+               if (bonepose)
+                       Mem_Free(bonepose);
+               maxbonepose = model->num_bones*2 + model->surfmesh.num_blends;
+               bonepose = (float (*)[12])Mem_Alloc(r_main_mempool, maxbonepose * sizeof(float[12]));
+       }
+
+       boneposerelative = bonepose + model->num_bones;
 
        if (skeleton && !skeleton->relativetransforms)
                skeleton = NULL;
@@ -67,9 +146,8 @@ void Mod_Skeletal_AnimateVertices(const dp_model_t *model, const frameblend_t *f
                        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];
-       
+                               memcpy(bonepose[i], m, sizeof(m));
+
                        // create a relative deformation matrix to describe displacement
                        // from the base mesh, which is used by the actual weighting
                        R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
@@ -79,11 +157,10 @@ void Mod_Skeletal_AnimateVertices(const dp_model_t *model, const frameblend_t *f
        {
                float originscale = model->num_posescale;
                float x,y,z,w,lerp;
-               const short *pose6s;
+               const short * RESTRICT pose6s;
                for (i = 0;i < model->num_bones;i++)
                {
-                       for (k = 0;k < 12;k++)
-                               m[k] = 0;
+                       memset(m, 0, sizeof(m));
                        for (blends = 0;blends < MAX_FRAMEBLENDS && frameblend[blends].lerp > 0;blends++)
                        {
                                pose6s = model->data_poses6s + 6 * (frameblend[blends].subframe * model->num_bones + i);
@@ -106,7 +183,7 @@ void Mod_Skeletal_AnimateVertices(const dp_model_t *model, const frameblend_t *f
                                m[10] += (1-2*(x*x+y*y)) * lerp;
                                m[11] += (pose6s[2] * originscale) * lerp;
                        }
-                       VectorNormalize(m    );
+                       VectorNormalize(m       );
                        VectorNormalize(m + 4);
                        VectorNormalize(m + 8);
                        if (i == r_skeletal_debugbone.integer)
@@ -117,147 +194,122 @@ void Mod_Skeletal_AnimateVertices(const dp_model_t *model, const frameblend_t *f
                        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];
+                               memcpy(bonepose[i], m, sizeof(m));
                        // create a relative deformation matrix to describe displacement
                        // from the base mesh, which is used by the actual weighting
                        R_ConcatTransforms(bonepose[i], model->data_baseboneposeinverse + i * 12, boneposerelative[i]);
                }
        }
+       
+       // generate matrices for all blend combinations
+       weights = model->surfmesh.data_blendweights;
+       for (i = 0;i < model->surfmesh.num_blends;i++, weights++)
+       {
+               float * RESTRICT b = boneposerelative[model->num_bones + i];
+               const float * RESTRICT m = boneposerelative[weights->index[0]];
+               float f = weights->influence[0] * (1.0f / 255.0f);
+               b[ 0] = f*m[ 0]; b[ 1] = f*m[ 1]; b[ 2] = f*m[ 2]; b[ 3] = f*m[ 3];
+               b[ 4] = f*m[ 4]; b[ 5] = f*m[ 5]; b[ 6] = f*m[ 6]; b[ 7] = f*m[ 7];
+               b[ 8] = f*m[ 8]; b[ 9] = f*m[ 9]; b[10] = f*m[10]; b[11] = f*m[11];
+               for (k = 1;k < 4 && weights->influence[k];k++)
+               {
+                       m = boneposerelative[weights->index[k]];
+                       f = weights->influence[k] * (1.0f / 255.0f);
+                       b[ 0] += f*m[ 0]; b[ 1] += f*m[ 1]; b[ 2] += f*m[ 2]; b[ 3] += f*m[ 3];
+                       b[ 4] += f*m[ 4]; b[ 5] += f*m[ 5]; b[ 6] += f*m[ 6]; b[ 7] += f*m[ 7];
+                       b[ 8] += f*m[ 8]; b[ 9] += f*m[ 9]; b[10] += f*m[10]; b[11] += f*m[11];
+               }
+       }
 
-       // blend the vertex bone weights
-       // special case for the extremely common wf[0] == 1 because it saves 3 multiplies per array when compared to the other case (w[0] is always 1 if only one bone controls this vertex, artists only use multiple bones for certain special cases)
-       // special case for the first bone because it avoids the need to memset the arrays before filling
+       // transform vertex attributes by blended matrices
        if (vertex3f)
        {
-               const float *v = model->surfmesh.data_vertex3f;
-               const int *wi = model->surfmesh.data_vertexweightindex4i;
-               const float *wf = model->surfmesh.data_vertexweightinfluence4f;
-               memset(vertex3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
-               for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, wi += 4, wf += 4, vertex3f += 3)
+               const float * RESTRICT v = model->surfmesh.data_vertex3f;
+               const unsigned short * RESTRICT b = model->surfmesh.blends;
+               // special case common combinations of attributes to avoid repeated loading of matrices
+               if (normal3f)
                {
-                       if (wf[0] == 1)
-                       {
-                               const float *m = boneposerelative[wi[0]];
-                               vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
-                               vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
-                               vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
-                       }
-                       else
+                       const float * RESTRICT n = model->surfmesh.data_normal3f;
+                       if (svector3f && tvector3f)
                        {
-                               const float *m = boneposerelative[wi[0]];
-                               float f = wf[0];
-                               vertex3f[0] = f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
-                               vertex3f[1] = f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
-                               vertex3f[2] = f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
-                               for (k = 1;k < 4 && wf[k];k++)
+                               const float * RESTRICT sv = model->surfmesh.data_svector3f;
+                               const float * RESTRICT tv = model->surfmesh.data_tvector3f;
+                               for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, n += 3, sv += 3, tv += 3, b++, vertex3f += 3, normal3f += 3, svector3f += 3, tvector3f += 3)
                                {
-                                       const float *m = boneposerelative[wi[k]];
-                                       float f = wf[k];
-                                       vertex3f[0] += f * (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
-                                       vertex3f[1] += f * (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
-                                       vertex3f[2] += f * (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
+                                       const float * RESTRICT m = boneposerelative[*b];
+                                       vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
+                                       vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
+                                       vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
+                                       normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
+                                       normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
+                                       normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
+                                       svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
+                                       svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
+                                       svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
+                                       tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
+                                       tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
+                                       tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
                                }
+                               return;
                        }
-               }
-       }
-       if (normal3f)
-       {
-               const float *n = model->surfmesh.data_normal3f;
-               const int *wi = model->surfmesh.data_vertexweightindex4i;
-               const float *wf = model->surfmesh.data_vertexweightinfluence4f;
-               memset(normal3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
-               for (i = 0;i < model->surfmesh.num_vertices;i++, n += 3, wi += 4, wf += 4, normal3f += 3)
-               {
-                       if (wf[0] == 1)
+                       for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, n += 3, b++, vertex3f += 3, normal3f += 3)
                        {
-                               const float *m = boneposerelative[wi[0]];
-                               normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
+                               const float * RESTRICT m = boneposerelative[*b];
+                               vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
+                               vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
+                               vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
+                               normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
                                normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
                                normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
                        }
-                       else
+               }
+               else
+               {
+                       for (i = 0;i < model->surfmesh.num_vertices;i++, v += 3, b++, vertex3f += 3)
                        {
-                               const float *m = boneposerelative[wi[0]];
-                               float f = wf[0];
-                               normal3f[0] = f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
-                               normal3f[1] = f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
-                               normal3f[2] = f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
-                               for (k = 1;k < 4 && wf[k];k++)
-                               {
-                                       const float *m = boneposerelative[wi[k]];
-                                       float f = wf[k];
-                                       normal3f[0] += f * (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
-                                       normal3f[1] += f * (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
-                                       normal3f[2] += f * (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
-                               }
+                               const float * RESTRICT m = boneposerelative[*b];
+                               vertex3f[0] = (v[0] * m[0] + v[1] * m[1] + v[2] * m[ 2] + m[ 3]);
+                               vertex3f[1] = (v[0] * m[4] + v[1] * m[5] + v[2] * m[ 6] + m[ 7]);
+                               vertex3f[2] = (v[0] * m[8] + v[1] * m[9] + v[2] * m[10] + m[11]);
                        }
                }
        }
+       else if (normal3f)
+       {
+               const float * RESTRICT n = model->surfmesh.data_normal3f;
+               const unsigned short * RESTRICT b = model->surfmesh.blends;
+               for (i = 0;i < model->surfmesh.num_vertices;i++, n += 3, b++, normal3f += 3)
+               {
+                       const float * RESTRICT m = boneposerelative[*b];
+                       normal3f[0] = (n[0] * m[0] + n[1] * m[1] + n[2] * m[ 2]);
+                       normal3f[1] = (n[0] * m[4] + n[1] * m[5] + n[2] * m[ 6]);
+                       normal3f[2] = (n[0] * m[8] + n[1] * m[9] + n[2] * m[10]);
+               }
+       }
+
        if (svector3f)
        {
-               const float *sv = model->surfmesh.data_svector3f;
-               const int *wi = model->surfmesh.data_vertexweightindex4i;
-               const float *wf = model->surfmesh.data_vertexweightinfluence4f;
-               memset(svector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
-               for (i = 0;i < model->surfmesh.num_vertices;i++, sv += 3, wi += 4, wf += 4, svector3f += 3)
+               const float * RESTRICT sv = model->surfmesh.data_svector3f;
+               const unsigned short * RESTRICT b = model->surfmesh.blends;
+               for (i = 0;i < model->surfmesh.num_vertices;i++, sv += 3, b++, svector3f += 3)
                {
-                       if (wf[0] == 1)
-                       {
-                               const float *m = boneposerelative[wi[0]];
-                               svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
-                               svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
-                               svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
-                       }
-                       else
-                       {
-                               const float *m = boneposerelative[wi[0]];
-                               float f = wf[0];
-                               svector3f[0] = f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
-                               svector3f[1] = f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
-                               svector3f[2] = f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
-                               for (k = 1;k < 4 && wf[k];k++)
-                               {
-                                       const float *m = boneposerelative[wi[k]];
-                                       float f = wf[k];
-                                       svector3f[0] += f * (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
-                                       svector3f[1] += f * (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
-                                       svector3f[2] += f * (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
-                               }
-                       }
+                       const float * RESTRICT m = boneposerelative[*b];
+                       svector3f[0] = (sv[0] * m[0] + sv[1] * m[1] + sv[2] * m[ 2]);
+                       svector3f[1] = (sv[0] * m[4] + sv[1] * m[5] + sv[2] * m[ 6]);
+                       svector3f[2] = (sv[0] * m[8] + sv[1] * m[9] + sv[2] * m[10]);
                }
        }
+
        if (tvector3f)
        {
-               const float *tv = model->surfmesh.data_tvector3f;
-               const int *wi = model->surfmesh.data_vertexweightindex4i;
-               const float *wf = model->surfmesh.data_vertexweightinfluence4f;
-               memset(tvector3f, 0, sizeof(float[3]) * model->surfmesh.num_vertices);
-               for (i = 0;i < model->surfmesh.num_vertices;i++, tv += 3, wi += 4, wf += 4, tvector3f += 3)
+               const float * RESTRICT tv = model->surfmesh.data_tvector3f;
+               const unsigned short * RESTRICT b = model->surfmesh.blends;
+               for (i = 0;i < model->surfmesh.num_vertices;i++, tv += 3, b++, tvector3f += 3)
                {
-                       if (wf[0] == 1)
-                       {
-                               const float *m = boneposerelative[wi[0]];
-                               tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
-                               tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
-                               tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
-                       }
-                       else
-                       {
-                               const float *m = boneposerelative[wi[0]];
-                               float f = wf[0];
-                               tvector3f[0] = f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
-                               tvector3f[1] = f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
-                               tvector3f[2] = f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
-                               for (k = 1;k < 4 && wf[k];k++)
-                               {
-                                       const float *m = boneposerelative[wi[k]];
-                                       float f = wf[k];
-                                       tvector3f[0] += f * (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
-                                       tvector3f[1] += f * (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
-                                       tvector3f[2] += f * (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
-                               }
-                       }
+                       const float * RESTRICT m = boneposerelative[*b];
+                       tvector3f[0] = (tv[0] * m[0] + tv[1] * m[1] + tv[2] * m[ 2]);
+                       tvector3f[1] = (tv[0] * m[4] + tv[1] * m[5] + tv[2] * m[ 6]);
+                       tvector3f[2] = (tv[0] * m[8] + tv[1] * m[9] + tv[2] * m[10]);
                }
        }
 }
@@ -743,7 +795,7 @@ static void Mod_MDLMD2MD3_TraceBox(dp_model_t *model, const frameblend_t *frameb
        {
                VectorAdd(start, boxmins, shiftstart);
                VectorAdd(end, boxmins, shiftend);
-               Mod_MDLMD2MD3_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask);
+               Mod_MDLMD2MD3_TraceLine(model, frameblend, skeleton, trace, shiftstart, shiftend, hitsupercontentsmask);
                VectorSubtract(trace->endpos, boxmins, trace->endpos);
                return;
        }
@@ -890,6 +942,10 @@ static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *ski
        texture->currentmaterialflags = texture->basematerialflags;
        texture->specularscalemod = 1;
        texture->specularpowermod = 1;
+       texture->surfaceflags = 0;
+       texture->supercontents = SUPERCONTENTS_SOLID;
+       if (!(texture->basematerialflags & MATERIALFLAG_BLENDED))
+               texture->supercontents |= SUPERCONTENTS_OPAQUE;
 }
 
 void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername)
@@ -997,7 +1053,7 @@ void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->numframes = LittleLong(pinmodel->numframes);
        BOUNDI(loadmodel->numframes,0,65536);
        loadmodel->synctype = (synctype_t)LittleLong (pinmodel->synctype);
-       BOUNDI(loadmodel->synctype,0,2);
+       BOUNDI((int)loadmodel->synctype,0,2);
        // convert model flags to EF flags (MF_ROCKET becomes EF_ROCKET, etc)
        i = LittleLong (pinmodel->flags);
        loadmodel->effects = ((i & 255) << 24) | (i & 0x00FFFF00);
@@ -1260,6 +1316,15 @@ void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend)
        surface->num_vertices = loadmodel->surfmesh.num_vertices;
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
+
+       if (!loadmodel->surfmesh.isanimated)
+       {
+               Mod_MakeCollisionBIH(loadmodel, true);
+               loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+               loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+               loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+               loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+       }
 }
 
 void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend)
@@ -1508,6 +1573,15 @@ void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend)
        surface->num_vertices = loadmodel->surfmesh.num_vertices;
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
+
+       if (!loadmodel->surfmesh.isanimated)
+       {
+               Mod_MakeCollisionBIH(loadmodel, true);
+               loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+               loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+               loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+               loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+       }
 }
 
 void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend)
@@ -1679,6 +1753,15 @@ void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend)
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1
             || (loadmodel->animscenes && loadmodel->animscenes[0].framecount > 1);
+
+       if (!loadmodel->surfmesh.isanimated)
+       {
+               Mod_MakeCollisionBIH(loadmodel, true);
+               loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+               loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+               loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+               loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+       }
 }
 
 void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
@@ -1859,7 +1942,7 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
-       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(int[4]) + meshvertices * sizeof(float[4]) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(unsigned short) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
@@ -1872,12 +1955,13 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
-       loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
-       loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
        loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
+       loadmodel->surfmesh.num_blends = 0;
+       loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
        if (loadmodel->surfmesh.num_vertices <= 65536)
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]);
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
+       loadmodel->surfmesh.data_blendweights = NULL;
 
        //zymlump_t lump_poses; // float pose[numposes][numbones][3][4]; // animation data
        poses = (float *) (pheader->lump_poses.start + pbase);
@@ -1955,8 +2039,7 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                loadmodel->surfmesh.data_vertex3f[j*3+1] = relativeorigin[0] * m[4] + relativeorigin[1] * m[5] + relativeorigin[2] * m[ 6] + m[ 7];
                loadmodel->surfmesh.data_vertex3f[j*3+2] = relativeorigin[0] * m[8] + relativeorigin[1] * m[9] + relativeorigin[2] * m[10] + m[11];
                // store the weight as the primary weight on this vertex
-               loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
-               loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = 1;
+               loadmodel->surfmesh.blends[j] = boneindex;
        }
        Z_Free(bonepose);
        // normals and tangents are calculated after elements are loaded
@@ -2042,6 +2125,15 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
+
+       if (!loadmodel->surfmesh.isanimated)
+       {
+               Mod_MakeCollisionBIH(loadmodel, true);
+               loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+               loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+               loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+               loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+       }
 }
 
 void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
@@ -2154,7 +2246,7 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
        // 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->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(int[4]) + sizeof(float[4])) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(unsigned short)) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
@@ -2167,15 +2259,16 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_normal3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
-       loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += meshvertices * sizeof(int[4]);
-       loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += meshvertices * sizeof(float[4]);
        loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
        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->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
+       loadmodel->surfmesh.num_blends = 0;
+       loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
        if (meshvertices <= 65536)
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += meshtriangles * sizeof(unsigned short[3]);
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
+       loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, meshvertices * sizeof(blendweights_t));
 
        for (i = 0;i < loadmodel->numskins;i++)
        {
@@ -2304,7 +2397,8 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                data = (unsigned char *) (pbase + BigLong(dpmmesh->ofs_verts));
                for (j = surface->num_firstvertex;j < surface->num_firstvertex + surface->num_vertices;j++)
                {
-                       float sum;
+                       int weightindex[4] = { 0, 0, 0, 0 };
+                       float weightinfluence[4] = { 0, 0, 0, 0 };
                        int l;
                        int numweights = BigLong(((dpmvertex_t *)data)->numbones);
                        data += sizeof(dpmvertex_t);
@@ -2331,8 +2425,8 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                                if (!k)
                                {
                                        // store the first (and often only) weight
-                                       loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+0] = influence;
-                                       loadmodel->surfmesh.data_vertexweightindex4i[j*4+0] = boneindex;
+                                       weightinfluence[0] = influence;
+                                       weightindex[0] = boneindex;
                                }
                                else
                                {
@@ -2340,33 +2434,25 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                                        // (which only accepts up to 4 bones per vertex)
                                        for (l = 0;l < 4;l++)
                                        {
-                                               if (loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] < influence)
+                                               if (weightinfluence[l] < influence)
                                                {
                                                        // move weaker influence weights out of the way first
                                                        int l2;
                                                        for (l2 = 3;l2 > l;l2--)
                                                        {
-                                                               loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l2-1];
-                                                               loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[j*4+l2-1];
+                                                               weightinfluence[l2] = weightinfluence[l2-1];
+                                                               weightindex[l2] = weightindex[l2-1];
                                                        }
                                                        // store the new weight
-                                                       loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] = influence;
-                                                       loadmodel->surfmesh.data_vertexweightindex4i[j*4+l] = boneindex;
+                                                       weightinfluence[l] = influence;
+                                                       weightindex[l] = boneindex;
                                                        break;
                                                }
                                        }
                                }
                                data += sizeof(dpmbonevert_t);
                        }
-                       sum = 0;
-                       for (l = 0;l < 4;l++)
-                               sum += loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l];
-                       if (sum && fabs(sum - 1) > (1.0f / 256.0f))
-                       {
-                               float f = 1.0f / sum;
-                               for (l = 0;l < 4;l++)
-                                       loadmodel->surfmesh.data_vertexweightinfluence4f[j*4+l] *= f;
-                       }
+                       loadmodel->surfmesh.blends[j] = Mod_Skeletal_AddBlend(loadmodel, weightindex, weightinfluence);
                }
 
                // since dpm models do not have named sections, reuse their shader name as the section name
@@ -2374,6 +2460,8 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
 
                Mod_ValidateElements(loadmodel->surfmesh.data_element3i + surface->num_firsttriangle * 3, surface->num_triangles, surface->num_firstvertex, surface->num_vertices, __FILE__, __LINE__);
        }
+       if (loadmodel->surfmesh.num_blends < meshvertices)
+               loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Realloc(loadmodel->mempool, loadmodel->surfmesh.data_blendweights, loadmodel->surfmesh.num_blends * sizeof(blendweights_t));
        Z_Free(bonepose);
        Mod_FreeSkinFiles(skinfiles);
        Mod_MakeSortedSurfaces(loadmodel);
@@ -2387,6 +2475,15 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
+
+       if (!loadmodel->surfmesh.isanimated)
+       {
+               Mod_MakeCollisionBIH(loadmodel, true);
+               loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+               loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+               loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+               loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+       }
 }
 
 // no idea why PSK/PSA files contain weird quaternions but they do...
@@ -2402,7 +2499,7 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        pskmatt_t *matts;
        pskboneinfo_t *bones;
        pskrawweights_t *rawweights;
-       pskboneinfo_t *animbones;
+       //pskboneinfo_t *animbones;
        pskaniminfo_t *anims;
        pskanimkeys_t *animkeys;
        void *animfilebuffer, *animbuffer, *animbufferend;
@@ -2654,7 +2751,7 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                                Host_Error("%s: %s has unsupported recordsize", animname, pchunk->id);
                        // byteswap in place and keep the pointer
                        numanimbones = numrecords;
-                       animbones = (pskboneinfo_t *)animbuffer;
+                       //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
@@ -2785,7 +2882,7 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.num_vertices = meshvertices;
        loadmodel->surfmesh.num_triangles = meshtriangles;
        // do most allocations as one merged chunk
-       size = loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[2]) + loadmodel->surfmesh.num_vertices * sizeof(int[4]) + loadmodel->surfmesh.num_vertices * sizeof(float[4]) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t) + ((loadmodel->surfmesh.num_vertices <= 65536) ? (loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3])) : 0);
+       size = loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[2]) + loadmodel->surfmesh.num_vertices * sizeof(unsigned short) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t) + ((loadmodel->surfmesh.num_vertices <= 65536) ? (loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3])) : 0);
        data = (unsigned char *)Mem_Alloc(loadmodel->mempool, size);
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
@@ -2797,15 +2894,16 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
        loadmodel->surfmesh.data_normal3f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
        loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[2]);
-       loadmodel->surfmesh.data_vertexweightindex4i = (int *)data;data += loadmodel->surfmesh.num_vertices * sizeof(int[4]);
-       loadmodel->surfmesh.data_vertexweightinfluence4f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[4]);
        loadmodel->data_baseboneposeinverse = (float *)data;data += loadmodel->num_bones * sizeof(float[12]);
        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->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
+       loadmodel->surfmesh.num_blends = 0;
+       loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
        if (loadmodel->surfmesh.num_vertices <= 65536)
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]);
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
+       loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(blendweights_t));
 
        for (i = 0;i < loadmodel->numskins;i++)
        {
@@ -2866,8 +2964,9 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        // (which only accept up to 4 bones per vertex)
        for (index = 0;index < numvtxw;index++)
        {
+               int weightindex[4] = { 0, 0, 0, 0 };
+               float weightinfluence[4] = { 0, 0, 0, 0 };
                int l;
-               float sum;
                for (j = 0;j < numrawweights;j++)
                {
                        if (rawweights[j].pntsindex == vtxw[index].pntsindex)
@@ -2876,33 +2975,27 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                                float influence = rawweights[j].weight;
                                for (l = 0;l < 4;l++)
                                {
-                                       if (loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] < influence)
+                                       if (weightinfluence[l] < influence)
                                        {
                                                // move lower influence weights out of the way first
                                                int l2;
                                                for (l2 = 3;l2 > l;l2--)
                                                {
-                                                       loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2] = loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l2-1];
-                                                       loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2] = loadmodel->surfmesh.data_vertexweightindex4i[index*4+l2-1];
+                                                       weightinfluence[l2] = weightinfluence[l2-1];
+                                                       weightindex[l2] = weightindex[l2-1];
                                                }
                                                // store the new weight
-                                               loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] = influence;
-                                               loadmodel->surfmesh.data_vertexweightindex4i[index*4+l] = boneindex;
+                                               weightinfluence[l] = influence;
+                                               weightindex[l] = boneindex;
                                                break;
                                        }
                                }
                        }
                }
-               sum = 0;
-               for (l = 0;l < 4;l++)
-                       sum += loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l];
-               if (sum && fabs(sum - 1) > (1.0f / 256.0f))
-               {
-                       float f = 1.0f / sum;
-                       for (l = 0;l < 4;l++)
-                               loadmodel->surfmesh.data_vertexweightinfluence4f[index*4+l] *= f;
-               }
+               loadmodel->surfmesh.blends[index] = Mod_Skeletal_AddBlend(loadmodel, weightindex, weightinfluence);
        }
+       if (loadmodel->surfmesh.num_blends < loadmodel->surfmesh.num_vertices)
+               loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Realloc(loadmodel->mempool, loadmodel->surfmesh.data_blendweights, loadmodel->surfmesh.num_blends * sizeof(blendweights_t));
 
        // set up the animscenes based on the anims
        for (index = 0, i = 0;index < numanims;index++)
@@ -2963,4 +3056,13 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        Mod_Alias_CalculateBoundingBox();
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
+
+       if (!loadmodel->surfmesh.isanimated)
+       {
+               Mod_MakeCollisionBIH(loadmodel, true);
+               loadmodel->TraceBox = Mod_CollisionBIH_TraceBox;
+               loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
+               loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+               loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
+       }
 }