- else if (model->surfmesh.data_morphmdlvertex)
- {
- // vertex morph
- int i, numblends, blendnum;
- int numverts = model->surfmesh.num_vertices;
- float translate[3];
- VectorClear(translate);
- numblends = 0;
- // blend the frame translates to avoid redundantly doing so on each vertex
- // (a bit of a brain twister but it works)
- for (blendnum = 0;blendnum < 4;blendnum++)
+}
+
+void Mod_MDL_AnimateVertices(const model_t *model, const frameblend_t *frameblend, float *vertex3f, float *normal3f, float *svector3f, float *tvector3f)
+{
+ // vertex morph
+ int i, numblends, blendnum;
+ int numverts = model->surfmesh.num_vertices;
+ float translate[3];
+ VectorClear(translate);
+ numblends = 0;
+ // blend the frame translates to avoid redundantly doing so on each vertex
+ // (a bit of a brain twister but it works)
+ for (blendnum = 0;blendnum < 4;blendnum++)
+ {
+ if (model->surfmesh.data_morphmd2framesize6f)
+ VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6 + 3, translate);
+ else
+ VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.num_morphmdlframetranslate, translate);
+ if (frameblend[blendnum].lerp > 0)
+ numblends = blendnum + 1;
+ }
+ // special case for the first blend because it avoids some adds and the need to memset the arrays first
+ for (blendnum = 0;blendnum < numblends;blendnum++)
+ {
+ const trivertx_t *verts = model->surfmesh.data_morphmdlvertex + numverts * frameblend[blendnum].frame;
+ float scale[3];
+ if (model->surfmesh.data_morphmd2framesize6f)
+ VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].frame * 6, frameblend[blendnum].lerp, scale);
+ else
+ VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
+ if (blendnum == 0)