- // interpolate matrices
- if (skeleton)
- {
- for (i = 0;i < model->num_bones;i++)
- {
- Matrix4x4_ToArray12FloatD3D(&skeleton->relativetransforms[i], m);
- if (model->data_bones[i].parent >= 0)
- R_ConcatTransforms(bonepose[model->data_bones[i].parent].f, m, bonepose[i].f);
- else
- memcpy(bonepose[i].f, 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].f, model->data_baseboneposeinverse + i * 12, boneposerelative[i].f);
- }
- }
- else
- {
- float originscale = model->num_posescale;
- float x,y,z,w,lerp;
- const short * RESTRICT pose6s;
-
- for (i = 0;i < model->num_bones;i++)
- {
- 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);
- lerp = frameblend[blends].lerp;
- x = pose6s[3] * (1.0f / 32767.0f);
- y = pose6s[4] * (1.0f / 32767.0f);
- z = pose6s[5] * (1.0f / 32767.0f);
- w = 1.0f - (x*x+y*y+z*z);
- w = w > 0.0f ? -sqrt(w) : 0.0f;
- m[ 0] += (1-2*(y*y+z*z)) * lerp;
- m[ 1] += ( 2*(x*y-z*w)) * lerp;
- m[ 2] += ( 2*(x*z+y*w)) * lerp;
- m[ 3] += (pose6s[0] * originscale) * lerp;
- m[ 4] += ( 2*(x*y+z*w)) * lerp;
- m[ 5] += (1-2*(x*x+z*z)) * lerp;
- m[ 6] += ( 2*(y*z-x*w)) * lerp;
- m[ 7] += (pose6s[1] * originscale) * lerp;
- m[ 8] += ( 2*(x*z-y*w)) * lerp;
- m[ 9] += ( 2*(y*z+x*w)) * lerp;
- m[10] += (1-2*(x*x+y*y)) * lerp;
- m[11] += (pose6s[2] * originscale) * lerp;
- }
- VectorNormalize(m );
- VectorNormalize(m + 4);
- VectorNormalize(m + 8);
- 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].f, m, bonepose[i].f);
- else
- memcpy(bonepose[i].f, 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].f, model->data_baseboneposeinverse + i * 12, boneposerelative[i].f);
- }
- }