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model_alias.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#include "image.h"
#include "r_shadow.h"
#include "mod_skeletal_animatevertices_generic.h"
#ifdef SSE_POSSIBLE
#include "mod_skeletal_animatevertices_sse.h"
#endif
#ifdef SSE_POSSIBLE
static qbool r_skeletal_use_sse_defined = false;
cvar_t r_skeletal_use_sse = {CF_CLIENT, "r_skeletal_use_sse", "1", "use SSE for skeletal model animation"};
#endif
cvar_t r_skeletal_debugbone = {CF_CLIENT, "r_skeletal_debugbone", "-1", "development cvar for testing skeletal model code"};
cvar_t r_skeletal_debugbonecomponent = {CF_CLIENT, "r_skeletal_debugbonecomponent", "3", "development cvar for testing skeletal model code"};
cvar_t r_skeletal_debugbonevalue = {CF_CLIENT, "r_skeletal_debugbonevalue", "100", "development cvar for testing skeletal model code"};
cvar_t r_skeletal_debugtranslatex = {CF_CLIENT, "r_skeletal_debugtranslatex", "1", "development cvar for testing skeletal model code"};
cvar_t r_skeletal_debugtranslatey = {CF_CLIENT, "r_skeletal_debugtranslatey", "1", "development cvar for testing skeletal model code"};
cvar_t r_skeletal_debugtranslatez = {CF_CLIENT, "r_skeletal_debugtranslatez", "1", "development cvar for testing skeletal model code"};
cvar_t mod_alias_supporttagscale = {CF_CLIENT | CF_SERVER, "mod_alias_supporttagscale", "1", "support scaling factors in bone/tag attachment matrices as supported by MD3"};
cvar_t mod_alias_force_animated = {CF_CLIENT | CF_SERVER, "mod_alias_force_animated", "", "if set to an non-empty string, overrides the is-animated flag of any alias models (for benchmarking)"};
float mod_md3_sin[320];
static size_t Mod_Skeletal_AnimateVertices_maxbonepose = 0;
static void *Mod_Skeletal_AnimateVertices_bonepose = NULL;
void Mod_Skeletal_FreeBuffers(void)
{
if(Mod_Skeletal_AnimateVertices_bonepose)
Mem_Free(Mod_Skeletal_AnimateVertices_bonepose);
Mod_Skeletal_AnimateVertices_maxbonepose = 0;
Mod_Skeletal_AnimateVertices_bonepose = NULL;
}
void *Mod_Skeletal_AnimateVertices_AllocBuffers(size_t nbytes)
{
if(Mod_Skeletal_AnimateVertices_maxbonepose < nbytes)
{
if(Mod_Skeletal_AnimateVertices_bonepose)
Mem_Free(Mod_Skeletal_AnimateVertices_bonepose);
Mod_Skeletal_AnimateVertices_bonepose = Z_Malloc(nbytes);
Mod_Skeletal_AnimateVertices_maxbonepose = nbytes;
}
return Mod_Skeletal_AnimateVertices_bonepose;
}
void Mod_Skeletal_BuildTransforms(const model_t * RESTRICT model, const frameblend_t * RESTRICT frameblend, const skeleton_t *skeleton, float * RESTRICT bonepose, float * RESTRICT boneposerelative)
{
int i, blends;
float m[12];
if (!bonepose)
bonepose = (float * RESTRICT) Mod_Skeletal_AnimateVertices_AllocBuffers(sizeof(float[12]) * model->num_bones);
if (skeleton && !skeleton->relativetransforms)
skeleton = NULL;
// 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 * 12, m, bonepose + i * 12);
else
memcpy(bonepose + i * 12, 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 * 12, model->data_baseboneposeinverse + i * 12, boneposerelative + i * 12);
}
}
else
{
for (i = 0;i < model->num_bones;i++)
{
// blend by transform each quaternion/translation into a dual-quaternion first, then blending
const short * RESTRICT firstpose7s = model->data_poses7s + 7 * (frameblend[0].subframe * model->num_bones + i);
float firstlerp = frameblend[0].lerp,
firsttx = firstpose7s[0], firstty = firstpose7s[1], firsttz = firstpose7s[2],
rx = firstpose7s[3] * firstlerp,
ry = firstpose7s[4] * firstlerp,
rz = firstpose7s[5] * firstlerp,
rw = firstpose7s[6] * firstlerp,
dx = firsttx*rw + firstty*rz - firsttz*ry,
dy = -firsttx*rz + firstty*rw + firsttz*rx,
dz = firsttx*ry - firstty*rx + firsttz*rw,
dw = -firsttx*rx - firstty*ry - firsttz*rz,
scale, sx, sy, sz, sw;
for (blends = 1;blends < MAX_FRAMEBLENDS && frameblend[blends].lerp > 0;blends++)
{
const short * RESTRICT blendpose7s = model->data_poses7s + 7 * (frameblend[blends].subframe * model->num_bones + i);
float blendlerp = frameblend[blends].lerp,
blendtx = blendpose7s[0], blendty = blendpose7s[1], blendtz = blendpose7s[2],
qx = blendpose7s[3], qy = blendpose7s[4], qz = blendpose7s[5], qw = blendpose7s[6];
if(rx*qx + ry*qy + rz*qz + rw*qw < 0) blendlerp = -blendlerp;
qx *= blendlerp;
qy *= blendlerp;
qz *= blendlerp;
qw *= blendlerp;
rx += qx;
ry += qy;
rz += qz;
rw += qw;
dx += blendtx*qw + blendty*qz - blendtz*qy;
dy += -blendtx*qz + blendty*qw + blendtz*qx;
dz += blendtx*qy - blendty*qx + blendtz*qw;
dw += -blendtx*qx - blendty*qy - blendtz*qz;
}
// generate a matrix from the dual-quaternion, implicitly normalizing it in the process
scale = 1.0f / (rx*rx + ry*ry + rz*rz + rw*rw);
sx = rx * scale;
sy = ry * scale;
sz = rz * scale;
sw = rw * scale;
m[0] = sw*rw + sx*rx - sy*ry - sz*rz;
m[1] = 2*(sx*ry - sw*rz);
m[2] = 2*(sx*rz + sw*ry);
m[3] = model->num_posescale*(dx*sw - dy*sz + dz*sy - dw*sx);
m[4] = 2*(sx*ry + sw*rz);
m[5] = sw*rw + sy*ry - sx*rx - sz*rz;
m[6] = 2*(sy*rz - sw*rx);
m[7] = model->num_posescale*(dx*sz + dy*sw - dz*sx - dw*sy);
m[8] = 2*(sx*rz - sw*ry);
m[9] = 2*(sy*rz + sw*rx);
m[10] = sw*rw + sz*rz - sx*rx - sy*ry;
m[11] = model->num_posescale*(dy*sx + dz*sw - dx*sy - dw*sz);
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 * 12, m, bonepose + i * 12);
else
memcpy(bonepose + i * 12, 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 * 12, model->data_baseboneposeinverse + i * 12, boneposerelative + i * 12);
}
}
}
static void Mod_Skeletal_AnimateVertices(const 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)
{
if (!model->surfmesh.num_vertices)
return;
if (!model->num_bones)
{
if (vertex3f) memcpy(vertex3f, model->surfmesh.data_vertex3f, model->surfmesh.num_vertices*sizeof(float[3]));
if (normal3f) memcpy(normal3f, model->surfmesh.data_normal3f, model->surfmesh.num_vertices*sizeof(float[3]));
if (svector3f) memcpy(svector3f, model->surfmesh.data_svector3f, model->surfmesh.num_vertices*sizeof(float[3]));
if (tvector3f) memcpy(tvector3f, model->surfmesh.data_tvector3f, model->surfmesh.num_vertices*sizeof(float[3]));
return;
}
#ifdef SSE_POSSIBLE
if(r_skeletal_use_sse_defined)
if(r_skeletal_use_sse.integer)
{
Mod_Skeletal_AnimateVertices_SSE(model, frameblend, skeleton, vertex3f, normal3f, svector3f, tvector3f);
return;
}
#endif
Mod_Skeletal_AnimateVertices_Generic(model, frameblend, skeleton, vertex3f, normal3f, svector3f, tvector3f);
}
void Mod_AliasInit (void)
{
int i;
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);
Cvar_RegisterVariable(&mod_alias_supporttagscale);
Cvar_RegisterVariable(&mod_alias_force_animated);
for (i = 0;i < 320;i++)
mod_md3_sin[i] = sin(i * M_PI * 2.0f / 256.0);
#ifdef SSE_POSSIBLE
if(Sys_HaveSSE())
{
Con_Printf("Skeletal animation uses SSE code path\n");
r_skeletal_use_sse_defined = true;
Cvar_RegisterVariable(&r_skeletal_use_sse);
}
else
Con_Printf("Skeletal animation uses generic code path (SSE disabled or not detected)\n");
#else
Con_Printf("Skeletal animation uses generic code path (SSE not compiled in)\n");
#endif
}
static int Mod_Skeletal_AddBlend(model_t *model, const blendweights_t *newweights)
{
int i;
blendweights_t *weights;
if(!newweights->influence[1])
return newweights->index[0];
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 Mod_Skeletal_CompressBlend(model_t *model, const int *newindex, const float *newinfluence)
{
int i, total;
float scale;
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++;
}
}
}
return Mod_Skeletal_AddBlend(model, &newweights);
}
static void Mod_MD3_AnimateVertices(const 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)
{
// vertex morph
int i, numblends, blendnum;
int numverts = model->surfmesh.num_vertices;
numblends = 0;
for (blendnum = 0;blendnum < MAX_FRAMEBLENDS;blendnum++)
{
//VectorMA(translate, model->surfmesh.num_morphmdlframetranslate, frameblend[blendnum].lerp, 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 md3vertex_t *verts = model->surfmesh.data_morphmd3vertex + numverts * frameblend[blendnum].subframe;
if (vertex3f)
{
float scale = frameblend[blendnum].lerp * (1.0f / 64.0f);
if (blendnum == 0)
{
for (i = 0;i < numverts;i++)
{
vertex3f[i * 3 + 0] = verts[i].origin[0] * scale;
vertex3f[i * 3 + 1] = verts[i].origin[1] * scale;
vertex3f[i * 3 + 2] = verts[i].origin[2] * scale;
}
}
else
{
for (i = 0;i < numverts;i++)
{
vertex3f[i * 3 + 0] += verts[i].origin[0] * scale;
vertex3f[i * 3 + 1] += verts[i].origin[1] * scale;
vertex3f[i * 3 + 2] += verts[i].origin[2] * scale;
}
}
}
// the yaw and pitch stored in md3 models are 8bit quantized angles
// (0-255), and as such a lookup table is very well suited to
// decoding them, and since cosine is equivalent to sine with an
// extra 45 degree rotation, this uses one lookup table for both
// sine and cosine with a +64 bias to get cosine.
if (normal3f)
{
float lerp = frameblend[blendnum].lerp;
if (blendnum == 0)
{
for (i = 0;i < numverts;i++)
{
normal3f[i * 3 + 0] = mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
normal3f[i * 3 + 1] = mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
normal3f[i * 3 + 2] = mod_md3_sin[verts[i].pitch + 64] * lerp;
}
}
else
{
for (i = 0;i < numverts;i++)
{
normal3f[i * 3 + 0] += mod_md3_sin[verts[i].yaw + 64] * mod_md3_sin[verts[i].pitch ] * lerp;
normal3f[i * 3 + 1] += mod_md3_sin[verts[i].yaw ] * mod_md3_sin[verts[i].pitch ] * lerp;
normal3f[i * 3 + 2] += mod_md3_sin[verts[i].pitch + 64] * lerp;
}
}
}
if (svector3f)
{
const texvecvertex_t *texvecvert = model->surfmesh.data_morphtexvecvertex + numverts * frameblend[blendnum].subframe;
float f = frameblend[blendnum].lerp * (1.0f / 127.0f);
if (blendnum == 0)
{
for (i = 0;i < numverts;i++, texvecvert++)
{
VectorScale(texvecvert->svec, f, svector3f + i*3);
VectorScale(texvecvert->tvec, f, tvector3f + i*3);
}
}
else
{
for (i = 0;i < numverts;i++, texvecvert++)
{
VectorMA(svector3f + i*3, f, texvecvert->svec, svector3f + i*3);
VectorMA(tvector3f + i*3, f, texvecvert->tvec, tvector3f + i*3);
}
}
}
}
}
static void Mod_MDL_AnimateVertices(const 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)
{
// 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 < MAX_FRAMEBLENDS;blendnum++)
{
if (model->surfmesh.data_morphmd2framesize6f)
VectorMA(translate, frameblend[blendnum].lerp, model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].subframe * 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].subframe;
if (vertex3f)
{
float scale[3];
if (model->surfmesh.data_morphmd2framesize6f)
VectorScale(model->surfmesh.data_morphmd2framesize6f + frameblend[blendnum].subframe * 6, frameblend[blendnum].lerp, scale);
else
VectorScale(model->surfmesh.num_morphmdlframescale, frameblend[blendnum].lerp, scale);
if (blendnum == 0)
{
for (i = 0;i < numverts;i++)
{
vertex3f[i * 3 + 0] = translate[0] + verts[i].v[0] * scale[0];
vertex3f[i * 3 + 1] = translate[1] + verts[i].v[1] * scale[1];
vertex3f[i * 3 + 2] = translate[2] + verts[i].v[2] * scale[2];
}
}
else
{
for (i = 0;i < numverts;i++)
{
vertex3f[i * 3 + 0] += verts[i].v[0] * scale[0];
vertex3f[i * 3 + 1] += verts[i].v[1] * scale[1];
vertex3f[i * 3 + 2] += verts[i].v[2] * scale[2];
}
}
}
// the vertex normals in mdl models are an index into a table of
// 162 unique values, this very crude quantization reduces the
// vertex normal to only one byte, which saves a lot of space but
// also makes lighting pretty coarse
if (normal3f)
{
float lerp = frameblend[blendnum].lerp;
if (blendnum == 0)
{
for (i = 0;i < numverts;i++)
{
const float *vn = m_bytenormals[verts[i].lightnormalindex];
VectorScale(vn, lerp, normal3f + i*3);
}
}
else
{
for (i = 0;i < numverts;i++)
{
const float *vn = m_bytenormals[verts[i].lightnormalindex];
VectorMA(normal3f + i*3, lerp, vn, normal3f + i*3);
}
}
}
if (svector3f)
{
const texvecvertex_t *texvecvert = model->surfmesh.data_morphtexvecvertex + numverts * frameblend[blendnum].subframe;
float f = frameblend[blendnum].lerp * (1.0f / 127.0f);
if (blendnum == 0)
{
for (i = 0;i < numverts;i++, texvecvert++)
{
VectorScale(texvecvert->svec, f, svector3f + i*3);
VectorScale(texvecvert->tvec, f, tvector3f + i*3);
}
}
else
{
for (i = 0;i < numverts;i++, texvecvert++)
{
VectorMA(svector3f + i*3, f, texvecvert->svec, svector3f + i*3);
VectorMA(tvector3f + i*3, f, texvecvert->tvec, tvector3f + i*3);
}
}
}
}
}
int Mod_Alias_GetTagMatrix(const model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, int tagindex, matrix4x4_t *outmatrix)
{
matrix4x4_t temp;
matrix4x4_t parentbonematrix;
matrix4x4_t tempbonematrix;
matrix4x4_t bonematrix;
matrix4x4_t blendmatrix;
int blendindex;
int parenttagindex;
int k;
float lerp;
const float *input;
float blendtag[12];
*outmatrix = identitymatrix;
if (skeleton && skeleton->relativetransforms)
{
if (tagindex < 0 || tagindex >= skeleton->model->num_bones)
return 4;
*outmatrix = skeleton->relativetransforms[tagindex];
while ((tagindex = model->data_bones[tagindex].parent) >= 0)
{
temp = *outmatrix;
Matrix4x4_Concat(outmatrix, &skeleton->relativetransforms[tagindex], &temp);
}
}
else if (model->num_bones)
{
if (tagindex < 0 || tagindex >= model->num_bones)
return 4;
Matrix4x4_Clear(&blendmatrix);
for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
{
lerp = frameblend[blendindex].lerp;
Matrix4x4_FromBonePose7s(&bonematrix, model->num_posescale, model->data_poses7s + 7 * (frameblend[blendindex].subframe * model->num_bones + tagindex));
parenttagindex = tagindex;
while ((parenttagindex = model->data_bones[parenttagindex].parent) >= 0)
{
Matrix4x4_FromBonePose7s(&parentbonematrix, model->num_posescale, model->data_poses7s + 7 * (frameblend[blendindex].subframe * model->num_bones + parenttagindex));
tempbonematrix = bonematrix;
Matrix4x4_Concat(&bonematrix, &parentbonematrix, &tempbonematrix);
}
Matrix4x4_Accumulate(&blendmatrix, &bonematrix, lerp);
}
*outmatrix = blendmatrix;
}
else if (model->num_tags)
{
if (tagindex < 0 || tagindex >= model->num_tags)
return 4;
for (k = 0;k < 12;k++)
blendtag[k] = 0;
for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
{
lerp = frameblend[blendindex].lerp;
input = model->data_tags[frameblend[blendindex].subframe * model->num_tags + tagindex].matrixgl;
for (k = 0;k < 12;k++)
blendtag[k] += input[k] * lerp;
}
Matrix4x4_FromArray12FloatGL(outmatrix, blendtag);
}
if(!mod_alias_supporttagscale.integer)
Matrix4x4_Normalize3(outmatrix, outmatrix);
return 0;
}
int Mod_Alias_GetExtendedTagInfoForIndex(const model_t *model, unsigned int skin, const frameblend_t *frameblend, const skeleton_t *skeleton, int tagindex, int *parentindex, const char **tagname, matrix4x4_t *tag_localmatrix)
{
int blendindex;
int k;
float lerp;
matrix4x4_t bonematrix;
matrix4x4_t blendmatrix;
const float *input;
float blendtag[12];
if (skeleton && skeleton->relativetransforms)
{
if (tagindex < 0 || tagindex >= skeleton->model->num_bones)
return 1;
*parentindex = skeleton->model->data_bones[tagindex].parent;
*tagname = skeleton->model->data_bones[tagindex].name;
*tag_localmatrix = skeleton->relativetransforms[tagindex];
return 0;
}
else if (model->num_bones)
{
if (tagindex < 0 || tagindex >= model->num_bones)
return 1;
*parentindex = model->data_bones[tagindex].parent;
*tagname = model->data_bones[tagindex].name;
Matrix4x4_Clear(&blendmatrix);
for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
{
lerp = frameblend[blendindex].lerp;
Matrix4x4_FromBonePose7s(&bonematrix, model->num_posescale, model->data_poses7s + 7 * (frameblend[blendindex].subframe * model->num_bones + tagindex));
Matrix4x4_Accumulate(&blendmatrix, &bonematrix, lerp);
}
*tag_localmatrix = blendmatrix;
return 0;
}
else if (model->num_tags)
{
if (tagindex < 0 || tagindex >= model->num_tags)
return 1;
*parentindex = -1;
*tagname = model->data_tags[tagindex].name;
for (k = 0;k < 12;k++)
blendtag[k] = 0;
for (blendindex = 0;blendindex < MAX_FRAMEBLENDS && frameblend[blendindex].lerp > 0;blendindex++)
{
lerp = frameblend[blendindex].lerp;
input = model->data_tags[frameblend[blendindex].subframe * model->num_tags + tagindex].matrixgl;
for (k = 0;k < 12;k++)
blendtag[k] += input[k] * lerp;
}
Matrix4x4_FromArray12FloatGL(tag_localmatrix, blendtag);
return 0;
}
return 2;
}
int Mod_Alias_GetTagIndexForName(const model_t *model, unsigned int skin, const char *tagname)
{
int i;
if(skin >= (unsigned int)model->numskins)
skin = 0;
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_BuildBaseBonePoses(void)
{
int boneindex;
matrix4x4_t *basebonepose;
float *outinvmatrix = loadmodel->data_baseboneposeinverse;
matrix4x4_t bonematrix;
matrix4x4_t tempbonematrix;
if (!loadmodel->num_bones)
return;
basebonepose = (matrix4x4_t *)Mem_Alloc(tempmempool, loadmodel->num_bones * sizeof(matrix4x4_t));
for (boneindex = 0;boneindex < loadmodel->num_bones;boneindex++)
{
Matrix4x4_FromBonePose7s(&bonematrix, loadmodel->num_posescale, loadmodel->data_poses7s + 7 * boneindex);
if (loadmodel->data_bones[boneindex].parent >= 0)
{
tempbonematrix = bonematrix;
Matrix4x4_Concat(&bonematrix, basebonepose + loadmodel->data_bones[boneindex].parent, &tempbonematrix);
}
basebonepose[boneindex] = bonematrix;
Matrix4x4_Invert_Simple(&tempbonematrix, basebonepose + boneindex);
Matrix4x4_ToArray12FloatD3D(&tempbonematrix, outinvmatrix + 12*boneindex);
}
Mem_Free(basebonepose);
}
static qbool Mod_Alias_CalculateBoundingBox(void)
{
int vnum;
qbool firstvertex = true;
float dist, yawradius, radius;
float *v;
qbool isanimated = false;
VectorClear(loadmodel->normalmins);
VectorClear(loadmodel->normalmaxs);
yawradius = 0;
radius = 0;
if (loadmodel->AnimateVertices)
{
float *vertex3f, *refvertex3f;
frameblend_t frameblend[MAX_FRAMEBLENDS];
memset(frameblend, 0, sizeof(frameblend));
frameblend[0].lerp = 1;
vertex3f = (float *) Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(float[3]) * 2);
refvertex3f = NULL;
for (frameblend[0].subframe = 0;frameblend[0].subframe < loadmodel->num_poses;frameblend[0].subframe++)
{
loadmodel->AnimateVertices(loadmodel, frameblend, NULL, vertex3f, NULL, NULL, NULL);
if (!refvertex3f)
{
// make a copy of the first frame for comparing all others
refvertex3f = vertex3f + loadmodel->surfmesh.num_vertices * 3;
memcpy(refvertex3f, vertex3f, loadmodel->surfmesh.num_vertices * sizeof(float[3]));
}
else
{
if (!isanimated && memcmp(refvertex3f, vertex3f, loadmodel->surfmesh.num_vertices * sizeof(float[3])))
isanimated = true;
}
for (vnum = 0, v = vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
{
if (firstvertex)
{
firstvertex = false;
VectorCopy(v, loadmodel->normalmins);
VectorCopy(v, loadmodel->normalmaxs);
}
else
{
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;
}
}
if (vertex3f)
Mem_Free(vertex3f);
}
else
{
for (vnum = 0, v = loadmodel->surfmesh.data_vertex3f;vnum < loadmodel->surfmesh.num_vertices;vnum++, v += 3)
{
if (firstvertex)
{
firstvertex = false;
VectorCopy(v, loadmodel->normalmins);
VectorCopy(v, loadmodel->normalmaxs);
}
else
{
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;
return isanimated;
}
static void Mod_Alias_MorphMesh_CompileFrames(void)
{
int i, j;
frameblend_t frameblend[MAX_FRAMEBLENDS];
unsigned char *datapointer;
memset(frameblend, 0, sizeof(frameblend));
frameblend[0].lerp = 1;
datapointer = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * (sizeof(float[3]) * 4 + loadmodel->surfmesh.num_morphframes * sizeof(texvecvertex_t)));
loadmodel->surfmesh.data_vertex3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
loadmodel->surfmesh.data_svector3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
loadmodel->surfmesh.data_tvector3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
loadmodel->surfmesh.data_normal3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
loadmodel->surfmesh.data_morphtexvecvertex = (texvecvertex_t *)datapointer;datapointer += loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices * sizeof(texvecvertex_t);
// this counts down from the last frame to the first so that the final data in surfmesh is for frame zero (which is what the renderer expects to be there)
for (i = loadmodel->surfmesh.num_morphframes-1;i >= 0;i--)
{
frameblend[0].subframe = i;
loadmodel->AnimateVertices(loadmodel, frameblend, NULL, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_normal3f, NULL, NULL);
Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
// encode the svector and tvector in 3 byte format for permanent storage
for (j = 0;j < loadmodel->surfmesh.num_vertices;j++)
{
VectorScaleCast(loadmodel->surfmesh.data_svector3f + j * 3, 127.0f, signed char, loadmodel->surfmesh.data_morphtexvecvertex[i*loadmodel->surfmesh.num_vertices+j].svec);
VectorScaleCast(loadmodel->surfmesh.data_tvector3f + j * 3, 127.0f, signed char, loadmodel->surfmesh.data_morphtexvecvertex[i*loadmodel->surfmesh.num_vertices+j].tvec);
}
}
}
static void Mod_MDLMD2MD3_TraceLine(model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
{
int i;
float segmentmins[3], segmentmaxs[3];
msurface_t *surface;
float vertex3fbuf[1024 * 3];
float *vertex3f = vertex3fbuf;
float *freevertex3f = NULL;
// for static cases we can just call CollisionBIH which is much faster
if ((frameblend == NULL || (frameblend[0].subframe == 0 && frameblend[1].lerp == 0)) && (skeleton == NULL || skeleton->relativetransforms == NULL))
{
Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
return;
}
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
trace->skipsupercontentsmask = skipsupercontentsmask;
trace->skipmaterialflagsmask = skipmaterialflagsmask;
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;
if (frameblend == NULL || frameblend[0].subframe != 0 || frameblend[0].lerp != 0 || skeleton != NULL)
{
if (model->surfmesh.num_vertices > 1024)
vertex3f = freevertex3f = (float *)Mem_Alloc(tempmempool, model->surfmesh.num_vertices * sizeof(float[3]));
model->AnimateVertices(model, frameblend, skeleton, vertex3f, NULL, NULL, NULL);
}
else
vertex3f = model->surfmesh.data_vertex3f;
for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_triangles, model->surfmesh.data_element3i + 3 * surface->num_firsttriangle, vertex3f, 0, NULL, SUPERCONTENTS_SOLID | (surface->texture->basematerialflags & MATERIALFLAGMASK_TRANSLUCENT ? 0 : SUPERCONTENTS_OPAQUE), 0, surface->texture, segmentmins, segmentmaxs);
if (freevertex3f)
Mem_Free(freevertex3f);
}
static void Mod_MDLMD2MD3_TraceBox(model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
{
int i;
vec3_t shiftstart, shiftend;
float segmentmins[3], segmentmaxs[3];
msurface_t *surface;
float vertex3fbuf[1024*3];
float *vertex3f = vertex3fbuf;
colboxbrushf_t thisbrush_start, thisbrush_end;
vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
if (VectorCompare(boxmins, boxmaxs))
{
VectorAdd(start, boxmins, shiftstart);
VectorAdd(end, boxmins, shiftend);
Mod_MDLMD2MD3_TraceLine(model, frameblend, skeleton, trace, shiftstart, shiftend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
VectorSubtract(trace->endpos, boxmins, trace->endpos);
return;
}
// for static cases we can just call CollisionBIH which is much faster
if ((frameblend == NULL || (frameblend[0].subframe == 0 && frameblend[1].lerp == 0)) && (skeleton == NULL || skeleton->relativetransforms == NULL))
{
Mod_CollisionBIH_TraceBox(model, frameblend, skeleton, trace, start, boxmins, boxmaxs, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
return;
}
// box trace, performed as brush trace
memset(trace, 0, sizeof(*trace));
trace->fraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
trace->skipsupercontentsmask = skipsupercontentsmask;
trace->skipmaterialflagsmask = skipmaterialflagsmask;
if (model->surfmesh.num_vertices > 1024)
vertex3f = (float *)Mem_Alloc(tempmempool, model->surfmesh.num_vertices * sizeof(float[3]));
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);
Collision_BrushForBox(&thisbrush_start, boxstartmins, boxstartmaxs, 0, 0, NULL);
Collision_BrushForBox(&thisbrush_end, boxendmins, boxendmaxs, 0, 0, NULL);
model->AnimateVertices(model, frameblend, skeleton, vertex3f, NULL, NULL, NULL);
for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
Collision_TraceBrushTriangleMeshFloat(trace, &thisbrush_start.brush, &thisbrush_end.brush, surface->num_triangles, model->surfmesh.data_element3i + 3 * surface->num_firsttriangle, vertex3f, 0, NULL, SUPERCONTENTS_SOLID | (surface->texture->basematerialflags & MATERIALFLAGMASK_TRANSLUCENT ? 0 : SUPERCONTENTS_OPAQUE), 0, surface->texture, segmentmins, segmentmaxs);
if (vertex3f != vertex3fbuf)
Mem_Free(vertex3f);
}
static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)
{
int i, j;
for (i = 0;i < inverts;i++)
{
if (vertremap[i] < 0 && vertremap[i+inverts] < 0) // only used vertices need apply...
continue;
j = vertremap[i]; // not onseam
if (j >= 0)
out[j] = v[i];
j = vertremap[i+inverts]; // onseam
if (j >= 0)
out[j] = v[i];
}
}
static void Mod_MDL_LoadFrames (unsigned char* datapointer, int inverts, int *vertremap)
{
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++)
{
pframetype = (daliasframetype_t *)datapointer;
datapointer += sizeof(daliasframetype_t);
if (LittleLong (pframetype->type) == ALIAS_SINGLE)
{
// a single frame is still treated as a group
interval = 0.1f;
groupframes = 1;
}
else
{
// read group header
group = (daliasgroup_t *)datapointer;
datapointer += sizeof(daliasgroup_t);
groupframes = LittleLong (group->numframes);
// intervals (time per frame)
intervals = (daliasinterval_t *)datapointer;
datapointer += sizeof(daliasinterval_t) * groupframes;
interval = LittleFloat (intervals->interval); // FIXME: support variable framerate groups
if (interval < 0.01f)
{
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
pinframe = (daliasframe_t *)datapointer;
dp_strlcpy(scene->name, pinframe->name, sizeof(scene->name));
scene->firstframe = pose;
scene->framecount = groupframes;
scene->framerate = 1.0f / interval;
scene->loop = true;
scene++;
// read frames
for (i = 0;i < groupframes;i++)
{
datapointer += sizeof(daliasframe_t);
Mod_ConvertAliasVerts(inverts, (trivertx_t *)datapointer, loadmodel->surfmesh.data_morphmdlvertex + pose * loadmodel->surfmesh.num_vertices, vertremap);
datapointer += sizeof(trivertx_t) * inverts;
pose++;
}
}
}
void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, const char *meshname, const char *shadername)
{
int i;
char stripbuf[MAX_QPATH];
skinfileitem_t *skinfileitem;
if(developer_extra.integer)
Con_DPrintf("Looking up texture for %s (default: %s)\n", meshname, shadername);
if (skinfile)
{
// 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)
{
memset(skin, 0, sizeof(*skin));
// see if a mesh
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))
{
Image_StripImageExtension(skinfileitem->replacement, stripbuf, sizeof(stripbuf));
if(developer_extra.integer)
Con_DPrintf("--> got %s from skin file\n", stripbuf);
Mod_LoadTextureFromQ3Shader(loadmodel->mempool, loadmodel->name, skin, stripbuf, true, true, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP | TEXF_COMPRESS, MATERIALFLAG_WALL);
break;
}
}
if (!skinfileitem)
{
// don't render unmentioned meshes
Mod_LoadCustomMaterial(loadmodel->mempool, skin, meshname, SUPERCONTENTS_SOLID, MATERIALFLAG_WALL, R_SkinFrame_LoadMissing());
if(developer_extra.integer)
Con_DPrintf("--> skipping\n");
skin->basematerialflags = skin->currentmaterialflags = MATERIALFLAG_NOSHADOW | MATERIALFLAG_NODRAW;
}
}
}
else
{
if(developer_extra.integer)
Con_DPrintf("--> using default\n");
Image_StripImageExtension(shadername, stripbuf, sizeof(stripbuf));
Mod_LoadTextureFromQ3Shader(loadmodel->mempool, loadmodel->name, skin, stripbuf, true, true, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP | TEXF_COMPRESS, MATERIALFLAG_WALL);
}
}
extern cvar_t r_nolerp_list;
#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, totalskins, skinwidth, skinheight, groupframes, groupskins, numverts;
float scales, scalet, 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);
version = LittleLong (pinmodel->version);
if (version != ALIAS_VERSION)