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tr_animation.c
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tr_animation.c
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/*
===========================================================================
Return to Castle Wolfenstein single player GPL Source Code
Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company.
This file is part of the Return to Castle Wolfenstein single player GPL Source Code (RTCW SP Source Code).
RTCW SP Source Code 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 3 of the License, or
(at your option) any later version.
RTCW SP Source Code 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 RTCW SP Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the RTCW SP Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the RTCW SP Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "tr_local.h"
/*
All bones should be an identity orientation to display the mesh exactly
as it is specified.
For all other frames, the bones represent the transformation from the
orientation of the bone in the base frame to the orientation in this
frame.
*/
//#define HIGH_PRECISION_BONES // enable this for 32bit precision bones
//#define DBG_PROFILE_BONES
//-----------------------------------------------------------------------------
// Static Vars, ugly but easiest (and fastest) means of separating RB_SurfaceAnim
// and R_CalcBones
static float frontlerp, backlerp;
static float torsoFrontlerp, torsoBacklerp;
static int *triangles, *boneRefs;
static glIndex_t *pIndexes;
static int indexes;
static int baseIndex, baseVertex, oldIndexes;
static int numVerts;
static mdsVertex_t *v;
static mdsBoneFrame_t bones[MDS_MAX_BONES], rawBones[MDS_MAX_BONES], oldBones[MDS_MAX_BONES];
static char validBones[MDS_MAX_BONES];
static char newBones[ MDS_MAX_BONES ];
static mdsBoneFrame_t *bonePtr, *bone, *parentBone;
static mdsBoneFrameCompressed_t *cBonePtr, *cTBonePtr, *cOldBonePtr, *cOldTBonePtr, *cBoneList, *cOldBoneList, *cBoneListTorso, *cOldBoneListTorso;
static mdsBoneInfo_t *boneInfo, *thisBoneInfo, *parentBoneInfo;
static mdsFrame_t *frame, *torsoFrame;
static mdsFrame_t *oldFrame, *oldTorsoFrame;
static int frameSize;
static short *sh, *sh2;
static float *pf;
static vec3_t angles, tangles, torsoParentOffset, torsoAxis[3], tmpAxis[3];
static float *tempVert;
static int16_t *tempNormal;
static vec3_t vec, v2, dir;
static float diff, a1, a2;
static int render_count;
static float lodRadius, lodScale;
static int *collapse_map, *pCollapseMap;
static int collapse[ MDS_MAX_VERTS ], *pCollapse;
static int p0, p1, p2;
static qboolean isTorso, fullTorso;
static vec4_t m1[4], m2[4];
//static vec4_t m3[4], m4[4], tmp1[4], tmp2[4]; // TTimo: unused
static vec3_t t;
static refEntity_t lastBoneEntity;
static int totalrv, totalrt, totalv, totalt; //----(SA)
//-----------------------------------------------------------------------------
static float RB_ProjectRadius( float r, vec3_t location ) {
float pr;
float dist;
float c;
vec3_t p;
float projected[4];
c = DotProduct( backEnd.viewParms.or.axis[0], backEnd.viewParms.or.origin );
dist = DotProduct( backEnd.viewParms.or.axis[0], location ) - c;
if ( dist <= 0 ) {
return 0;
}
p[0] = 0;
p[1] = fabs( r );
p[2] = -dist;
projected[0] = p[0] * backEnd.viewParms.projectionMatrix[0] +
p[1] * backEnd.viewParms.projectionMatrix[4] +
p[2] * backEnd.viewParms.projectionMatrix[8] +
backEnd.viewParms.projectionMatrix[12];
projected[1] = p[0] * backEnd.viewParms.projectionMatrix[1] +
p[1] * backEnd.viewParms.projectionMatrix[5] +
p[2] * backEnd.viewParms.projectionMatrix[9] +
backEnd.viewParms.projectionMatrix[13];
projected[2] = p[0] * backEnd.viewParms.projectionMatrix[2] +
p[1] * backEnd.viewParms.projectionMatrix[6] +
p[2] * backEnd.viewParms.projectionMatrix[10] +
backEnd.viewParms.projectionMatrix[14];
projected[3] = p[0] * backEnd.viewParms.projectionMatrix[3] +
p[1] * backEnd.viewParms.projectionMatrix[7] +
p[2] * backEnd.viewParms.projectionMatrix[11] +
backEnd.viewParms.projectionMatrix[15];
pr = projected[1] / projected[3];
if ( pr > 1.0f ) {
pr = 1.0f;
}
return pr;
}
/*
=============
R_CullModel
=============
*/
static int R_CullModel( mdsHeader_t *header, trRefEntity_t *ent ) {
vec3_t bounds[2];
mdsFrame_t *oldFrame, *newFrame;
int i, frameSize;
qboolean cullSphere;
float radScale;
cullSphere = qtrue;
frameSize = (int) ( sizeof( mdsFrame_t ) - sizeof( mdsBoneFrameCompressed_t ) + header->numBones * sizeof( mdsBoneFrameCompressed_t ) );
// compute frame pointers
newFrame = ( mdsFrame_t * )( ( byte * ) header + header->ofsFrames + ent->e.frame * frameSize );
oldFrame = ( mdsFrame_t * )( ( byte * ) header + header->ofsFrames + ent->e.oldframe * frameSize );
radScale = 1.0f;
if ( ent->e.nonNormalizedAxes ) {
cullSphere = qfalse; // by defalut, cull bounding sphere ONLY if this is not an upscaled entity
// but allow the radius to be scaled if specified
// if(ent->e.reFlags & REFLAG_SCALEDSPHERECULL) {
// cullSphere = qtrue;
// radScale = ent->e.radius;
// }
}
if ( cullSphere ) {
if ( ent->e.frame == ent->e.oldframe ) {
switch ( R_CullLocalPointAndRadius( newFrame->localOrigin, newFrame->radius * radScale ) )
{
case CULL_OUT:
tr.pc.c_sphere_cull_md3_out++;
return CULL_OUT;
case CULL_IN:
tr.pc.c_sphere_cull_md3_in++;
return CULL_IN;
case CULL_CLIP:
tr.pc.c_sphere_cull_md3_clip++;
break;
}
} else
{
int sphereCull, sphereCullB;
sphereCull = R_CullLocalPointAndRadius( newFrame->localOrigin, newFrame->radius * radScale );
if ( newFrame == oldFrame ) {
sphereCullB = sphereCull;
} else {
sphereCullB = R_CullLocalPointAndRadius( oldFrame->localOrigin, oldFrame->radius * radScale );
}
if ( sphereCull == sphereCullB ) {
if ( sphereCull == CULL_OUT ) {
tr.pc.c_sphere_cull_md3_out++;
return CULL_OUT;
} else if ( sphereCull == CULL_IN ) {
tr.pc.c_sphere_cull_md3_in++;
return CULL_IN;
} else
{
tr.pc.c_sphere_cull_md3_clip++;
}
}
}
}
// calculate a bounding box in the current coordinate system
for ( i = 0 ; i < 3 ; i++ ) {
bounds[0][i] = oldFrame->bounds[0][i] < newFrame->bounds[0][i] ? oldFrame->bounds[0][i] : newFrame->bounds[0][i];
bounds[1][i] = oldFrame->bounds[1][i] > newFrame->bounds[1][i] ? oldFrame->bounds[1][i] : newFrame->bounds[1][i];
bounds[0][i] *= radScale; //----(SA) added
bounds[1][i] *= radScale; //----(SA) added
}
switch ( R_CullLocalBox( bounds ) )
{
case CULL_IN:
tr.pc.c_box_cull_md3_in++;
return CULL_IN;
case CULL_CLIP:
tr.pc.c_box_cull_md3_clip++;
return CULL_CLIP;
case CULL_OUT:
default:
tr.pc.c_box_cull_md3_out++;
return CULL_OUT;
}
}
/*
=================
RB_CalcMDSLod
=================
*/
float RB_CalcMDSLod( refEntity_t *refent, vec3_t origin, float radius, float modelBias, float modelScale ) {
float flod, lodScale;
float projectedRadius;
if ( refent->reFlags & REFLAG_FULL_LOD ) {
return 1.0f;
}
// compute projected bounding sphere and use that as a criteria for selecting LOD
projectedRadius = RB_ProjectRadius( radius, origin );
if ( projectedRadius != 0 ) {
// ri.Printf (PRINT_ALL, "projected radius: %f\n", projectedRadius);
lodScale = r_lodscale->value; // fudge factor since MDS uses a much smoother method of LOD
flod = projectedRadius * lodScale * modelScale;
} else
{
// object intersects near view plane, e.g. view weapon
flod = 1.0f;
}
if ( refent->reFlags & REFLAG_FORCE_LOD ) {
flod *= 0.5;
}
//----(SA) like reflag_force_lod, but separate for the moment
if ( refent->reFlags & REFLAG_DEAD_LOD ) {
flod *= 0.8;
}
flod -= 0.25 * ( r_lodbias->value ) + modelBias;
if ( flod < 0.0 ) {
flod = 0.0;
} else if ( flod > 1.0f ) {
flod = 1.0f;
}
return flod;
}
/*
=================
R_ComputeFogNum
=================
*/
static int R_ComputeFogNum( mdsHeader_t *header, trRefEntity_t *ent ) {
int i, j;
fog_t *fog;
mdsFrame_t *mdsFrame;
vec3_t localOrigin;
if ( tr.refdef.rdflags & RDF_NOWORLDMODEL ) {
return 0;
}
// FIXME: non-normalized axis issues
mdsFrame = ( mdsFrame_t * )( ( byte * ) header + header->ofsFrames + ( sizeof( mdsFrame_t ) + sizeof( mdsBoneFrameCompressed_t ) * ( header->numBones - 1 ) ) * ent->e.frame );
VectorAdd( ent->e.origin, mdsFrame->localOrigin, localOrigin );
for ( i = 1 ; i < tr.world->numfogs ; i++ ) {
fog = &tr.world->fogs[i];
for ( j = 0 ; j < 3 ; j++ ) {
if ( localOrigin[j] - mdsFrame->radius >= fog->bounds[1][j] ) {
break;
}
if ( localOrigin[j] + mdsFrame->radius <= fog->bounds[0][j] ) {
break;
}
}
if ( j == 3 ) {
return i;
}
}
return 0;
}
/*
==============
R_AddAnimSurfaces
==============
*/
void R_AddAnimSurfaces( trRefEntity_t *ent ) {
mdsHeader_t *header;
mdsSurface_t *surface;
shader_t *shader = 0;
int cubemapIndex;
int i, fogNum, cull;
qboolean personalModel;
// don't add third_person objects if not in a portal
personalModel = (ent->e.renderfx & RF_THIRD_PERSON) && !(tr.viewParms.isPortal
|| (tr.viewParms.flags & (VPF_SHADOWMAP | VPF_DEPTHSHADOW)));
header = tr.currentModel->mds;
//
// cull the entire model if merged bounding box of both frames
// is outside the view frustum.
//
cull = R_CullModel( header, ent );
if ( cull == CULL_OUT ) {
return;
}
//
// set up lighting now that we know we aren't culled
//
if ( !personalModel || r_shadows->integer > 1 ) {
R_SetupEntityLighting( &tr.refdef, ent );
}
//
// see if we are in a fog volume
//
fogNum = R_ComputeFogNum( header, ent );
cubemapIndex = R_CubemapForPoint(ent->e.origin);
surface = ( mdsSurface_t * )( (byte *)header + header->ofsSurfaces );
for ( i = 0 ; i < header->numSurfaces ; i++ ) {
int j;
//----(SA) blink will change to be an overlay rather than replacing the head texture.
// think of it like batman's mask. the polygons that have eye texture are duplicated
// and the 'lids' rendered with polygonoffset over the top of the open eyes. this gives
// minimal overdraw/alpha blending/texture use without breaking the model and causing seams
if ( !Q_stricmp( surface->name, "h_blink" ) ) {
if ( !( ent->e.renderfx & RF_BLINK ) ) {
surface = ( mdsSurface_t * )( (byte *)surface + surface->ofsEnd );
continue;
}
}
//----(SA) end
if ( ent->e.customShader ) {
shader = R_GetShaderByHandle( ent->e.customShader );
} else if ( ent->e.customSkin > 0 && ent->e.customSkin < tr.numSkins ) {
skin_t *skin;
skin = R_GetSkinByHandle( ent->e.customSkin );
// match the surface name to something in the skin file
shader = tr.defaultShader;
for ( j = 0 ; j < skin->numSurfaces ; j++ ) {
// the names have both been lowercased
if ( !strcmp( skin->surfaces[j]->name, surface->name ) ) {
shader = skin->surfaces[j]->shader;
break;
}
}
if ( shader == tr.defaultShader ) {
ri.Printf( PRINT_DEVELOPER, "WARNING: no shader for surface %s in skin %s\n", surface->name, skin->name );
} else if ( shader->defaultShader ) {
ri.Printf( PRINT_DEVELOPER, "WARNING: shader %s in skin %s not found\n", shader->name, skin->name );
}
} else {
shader = R_GetShaderByHandle( surface->shaderIndex );
}
// don't add third_person objects if not viewing through a portal
if ( !personalModel ) {
// GR - always tessellate these objects
R_AddDrawSurf( (void *)surface, shader, fogNum, qfalse, qfalse, cubemapIndex, ATI_TESS_TRUFORM );
}
surface = ( mdsSurface_t * )( (byte *)surface + surface->ofsEnd );
}
}
static ID_INLINE void LocalMatrixTransformVector( vec3_t in, vec3_t mat[ 3 ], vec3_t out ) {
out[ 0 ] = in[ 0 ] * mat[ 0 ][ 0 ] + in[ 1 ] * mat[ 0 ][ 1 ] + in[ 2 ] * mat[ 0 ][ 2 ];
out[ 1 ] = in[ 0 ] * mat[ 1 ][ 0 ] + in[ 1 ] * mat[ 1 ][ 1 ] + in[ 2 ] * mat[ 1 ][ 2 ];
out[ 2 ] = in[ 0 ] * mat[ 2 ][ 0 ] + in[ 1 ] * mat[ 2 ][ 1 ] + in[ 2 ] * mat[ 2 ][ 2 ];
}
static ID_INLINE void LocalScaledMatrixTransformVector( vec3_t in, float s, vec3_t mat[ 3 ], vec3_t out ) {
out[ 0 ] = ( 1.0f - s ) * in[ 0 ] + s * ( in[ 0 ] * mat[ 0 ][ 0 ] + in[ 1 ] * mat[ 0 ][ 1 ] + in[ 2 ] * mat[ 0 ][ 2 ] );
out[ 1 ] = ( 1.0f - s ) * in[ 1 ] + s * ( in[ 0 ] * mat[ 1 ][ 0 ] + in[ 1 ] * mat[ 1 ][ 1 ] + in[ 2 ] * mat[ 1 ][ 2 ] );
out[ 2 ] = ( 1.0f - s ) * in[ 2 ] + s * ( in[ 0 ] * mat[ 2 ][ 0 ] + in[ 1 ] * mat[ 2 ][ 1 ] + in[ 2 ] * mat[ 2 ][ 2 ] );
}
static ID_INLINE void LocalAddScaledMatrixTransformVectorTranslate( vec3_t in, float s, vec3_t mat[ 3 ], vec3_t tr, vec3_t out ) {
out[ 0 ] += s * ( in[ 0 ] * mat[ 0 ][ 0 ] + in[ 1 ] * mat[ 0 ][ 1 ] + in[ 2 ] * mat[ 0 ][ 2 ] + tr[ 0 ] );
out[ 1 ] += s * ( in[ 0 ] * mat[ 1 ][ 0 ] + in[ 1 ] * mat[ 1 ][ 1 ] + in[ 2 ] * mat[ 1 ][ 2 ] + tr[ 1 ] );
out[ 2 ] += s * ( in[ 0 ] * mat[ 2 ][ 0 ] + in[ 1 ] * mat[ 2 ][ 1 ] + in[ 2 ] * mat[ 2 ][ 2 ] + tr[ 2 ] );
}
static float LAVangle;
//static float sr; // TTimo: unused
static float sp, sy;
//static float cr; // TTimo: unused
static float cp, cy;
static ID_INLINE void LocalAngleVector( vec3_t angles, vec3_t forward ) {
LAVangle = angles[YAW] * ( M_PI * 2 / 360 );
sy = sin( LAVangle );
cy = cos( LAVangle );
LAVangle = angles[PITCH] * ( M_PI * 2 / 360 );
sp = sin( LAVangle );
cp = cos( LAVangle );
forward[0] = cp * cy;
forward[1] = cp * sy;
forward[2] = -sp;
}
static ID_INLINE void LocalVectorMA( vec3_t org, float dist, vec3_t vec, vec3_t out ) {
out[0] = org[0] + dist * vec[0];
out[1] = org[1] + dist * vec[1];
out[2] = org[2] + dist * vec[2];
}
#define ANGLES_SHORT_TO_FLOAT( pf, sh ) { *( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = SHORT2ANGLE( *( sh++ ) ); }
static ID_INLINE void SLerp_Normal( vec3_t from, vec3_t to, float tt, vec3_t out ) {
float ft = 1.0 - tt;
out[0] = from[0] * ft + to[0] * tt;
out[1] = from[1] * ft + to[1] * tt;
out[2] = from[2] * ft + to[2] * tt;
VectorNormalize( out );
}
/*
===============================================================================
4x4 Matrices
===============================================================================
*/
// TTimo: const vec_t ** would require explicit casts for ANSI C conformance
// see unix/const-arg.c in Wolf MP source
static ID_INLINE void Matrix4MultiplyInto3x3AndTranslation( /*const*/ vec4_t a[4], /*const*/ vec4_t b[4], vec3_t dst[3], vec3_t t ) {
dst[0][0] = a[0][0] * b[0][0] + a[0][1] * b[1][0] + a[0][2] * b[2][0] + a[0][3] * b[3][0];
dst[0][1] = a[0][0] * b[0][1] + a[0][1] * b[1][1] + a[0][2] * b[2][1] + a[0][3] * b[3][1];
dst[0][2] = a[0][0] * b[0][2] + a[0][1] * b[1][2] + a[0][2] * b[2][2] + a[0][3] * b[3][2];
t[0] = a[0][0] * b[0][3] + a[0][1] * b[1][3] + a[0][2] * b[2][3] + a[0][3] * b[3][3];
dst[1][0] = a[1][0] * b[0][0] + a[1][1] * b[1][0] + a[1][2] * b[2][0] + a[1][3] * b[3][0];
dst[1][1] = a[1][0] * b[0][1] + a[1][1] * b[1][1] + a[1][2] * b[2][1] + a[1][3] * b[3][1];
dst[1][2] = a[1][0] * b[0][2] + a[1][1] * b[1][2] + a[1][2] * b[2][2] + a[1][3] * b[3][2];
t[1] = a[1][0] * b[0][3] + a[1][1] * b[1][3] + a[1][2] * b[2][3] + a[1][3] * b[3][3];
dst[2][0] = a[2][0] * b[0][0] + a[2][1] * b[1][0] + a[2][2] * b[2][0] + a[2][3] * b[3][0];
dst[2][1] = a[2][0] * b[0][1] + a[2][1] * b[1][1] + a[2][2] * b[2][1] + a[2][3] * b[3][1];
dst[2][2] = a[2][0] * b[0][2] + a[2][1] * b[1][2] + a[2][2] * b[2][2] + a[2][3] * b[3][2];
t[2] = a[2][0] * b[0][3] + a[2][1] * b[1][3] + a[2][2] * b[2][3] + a[2][3] * b[3][3];
}
// can put an axis rotation followed by a translation directly into one matrix
// TTimo: const vec_t ** would require explicit casts for ANSI C conformance
// see unix/const-arg.c in Wolf MP source
static ID_INLINE void Matrix4FromAxisPlusTranslation( /*const*/ vec3_t axis[3], const vec3_t t, vec4_t dst[4] ) {
int i, j;
for ( i = 0; i < 3; i++ ) {
for ( j = 0; j < 3; j++ ) {
dst[i][j] = axis[i][j];
}
dst[3][i] = 0;
dst[i][3] = t[i];
}
dst[3][3] = 1;
}
// can put a scaled axis rotation followed by a translation directly into one matrix
// TTimo: const vec_t ** would require explicit casts for ANSI C conformance
// see unix/const-arg.c in Wolf MP source
static ID_INLINE void Matrix4FromScaledAxisPlusTranslation( /*const*/ vec3_t axis[3], const float scale, const vec3_t t, vec4_t dst[4] ) {
int i, j;
for ( i = 0; i < 3; i++ ) {
for ( j = 0; j < 3; j++ ) {
dst[i][j] = scale * axis[i][j];
if ( i == j ) {
dst[i][j] += 1.0f - scale;
}
}
dst[3][i] = 0;
dst[i][3] = t[i];
}
dst[3][3] = 1;
}
/*
===============================================================================
3x3 Matrices
===============================================================================
*/
static ID_INLINE void Matrix3Transpose( const vec3_t matrix[3], vec3_t transpose[3] ) {
int i, j;
for ( i = 0; i < 3; i++ ) {
for ( j = 0; j < 3; j++ ) {
transpose[i][j] = matrix[j][i];
}
}
}
/*
==============
R_CalcBone
==============
*/
void R_CalcBone( mdsHeader_t *header, const refEntity_t *refent, int boneNum ) {
int j;
thisBoneInfo = &boneInfo[boneNum];
if ( thisBoneInfo->torsoWeight ) {
cTBonePtr = &cBoneListTorso[boneNum];
isTorso = qtrue;
if ( thisBoneInfo->torsoWeight == 1.0f ) {
fullTorso = qtrue;
}
} else {
isTorso = qfalse;
fullTorso = qfalse;
}
cBonePtr = &cBoneList[boneNum];
bonePtr = &bones[ boneNum ];
// we can assume the parent has already been uncompressed for this frame + lerp
if ( thisBoneInfo->parent >= 0 ) {
parentBone = &bones[ thisBoneInfo->parent ];
parentBoneInfo = &boneInfo[ thisBoneInfo->parent ];
} else {
parentBone = NULL;
parentBoneInfo = NULL;
}
#ifdef HIGH_PRECISION_BONES
// rotation
if ( fullTorso ) {
VectorCopy( cTBonePtr->angles, angles );
} else {
VectorCopy( cBonePtr->angles, angles );
if ( isTorso ) {
VectorCopy( cTBonePtr->angles, tangles );
// blend the angles together
for ( j = 0; j < 3; j++ ) {
diff = tangles[j] - angles[j];
if ( fabs( diff ) > 180 ) {
diff = AngleNormalize180( diff );
}
angles[j] = angles[j] + thisBoneInfo->torsoWeight * diff;
}
}
}
#else
// rotation
if ( fullTorso ) {
sh = (short *)cTBonePtr->angles;
pf = angles;
ANGLES_SHORT_TO_FLOAT( pf, sh );
} else {
sh = (short *)cBonePtr->angles;
pf = angles;
ANGLES_SHORT_TO_FLOAT( pf, sh );
if ( isTorso ) {
sh = (short *)cTBonePtr->angles;
pf = tangles;
ANGLES_SHORT_TO_FLOAT( pf, sh );
// blend the angles together
for ( j = 0; j < 3; j++ ) {
diff = tangles[j] - angles[j];
if ( fabs( diff ) > 180 ) {
diff = AngleNormalize180( diff );
}
angles[j] = angles[j] + thisBoneInfo->torsoWeight * diff;
}
}
}
#endif
AnglesToAxis( angles, bonePtr->matrix );
// translation
if ( parentBone ) {
#ifdef HIGH_PRECISION_BONES
if ( fullTorso ) {
angles[0] = cTBonePtr->ofsAngles[0];
angles[1] = cTBonePtr->ofsAngles[1];
angles[2] = 0;
LocalAngleVector( angles, vec );
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, vec, bonePtr->translation );
} else {
angles[0] = cBonePtr->ofsAngles[0];
angles[1] = cBonePtr->ofsAngles[1];
angles[2] = 0;
LocalAngleVector( angles, vec );
if ( isTorso ) {
tangles[0] = cTBonePtr->ofsAngles[0];
tangles[1] = cTBonePtr->ofsAngles[1];
tangles[2] = 0;
LocalAngleVector( tangles, v2 );
// blend the angles together
SLerp_Normal( vec, v2, thisBoneInfo->torsoWeight, vec );
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, vec, bonePtr->translation );
} else { // legs bone
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, vec, bonePtr->translation );
}
}
#else
if ( fullTorso ) {
sh = (short *)cTBonePtr->ofsAngles; pf = angles;
*( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = 0;
LocalAngleVector( angles, vec );
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, vec, bonePtr->translation );
} else {
sh = (short *)cBonePtr->ofsAngles; pf = angles;
*( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = 0;
LocalAngleVector( angles, vec );
if ( isTorso ) {
sh = (short *)cTBonePtr->ofsAngles;
pf = tangles;
*( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = SHORT2ANGLE( *( sh++ ) ); *( pf++ ) = 0;
LocalAngleVector( tangles, v2 );
// blend the angles together
SLerp_Normal( vec, v2, thisBoneInfo->torsoWeight, vec );
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, vec, bonePtr->translation );
} else { // legs bone
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, vec, bonePtr->translation );
}
}
#endif
} else { // just use the frame position
bonePtr->translation[0] = frame->parentOffset[0];
bonePtr->translation[1] = frame->parentOffset[1];
bonePtr->translation[2] = frame->parentOffset[2];
}
//
if ( boneNum == header->torsoParent ) { // this is the torsoParent
VectorCopy( bonePtr->translation, torsoParentOffset );
}
//
validBones[boneNum] = 1;
//
rawBones[boneNum] = *bonePtr;
newBones[boneNum] = 1;
}
/*
==============
R_CalcBoneLerp
==============
*/
void R_CalcBoneLerp( mdsHeader_t *header, const refEntity_t *refent, int boneNum ) {
int j;
thisBoneInfo = &boneInfo[boneNum];
if ( thisBoneInfo->parent >= 0 ) {
parentBone = &bones[ thisBoneInfo->parent ];
parentBoneInfo = &boneInfo[ thisBoneInfo->parent ];
} else {
parentBone = NULL;
parentBoneInfo = NULL;
}
if ( thisBoneInfo->torsoWeight ) {
cTBonePtr = &cBoneListTorso[boneNum];
cOldTBonePtr = &cOldBoneListTorso[boneNum];
isTorso = qtrue;
if ( thisBoneInfo->torsoWeight == 1.0f ) {
fullTorso = qtrue;
}
} else {
isTorso = qfalse;
fullTorso = qfalse;
}
cBonePtr = &cBoneList[boneNum];
cOldBonePtr = &cOldBoneList[boneNum];
bonePtr = &bones[boneNum];
newBones[ boneNum ] = 1;
// rotation (take into account 170 to -170 lerps, which need to take the shortest route)
if ( fullTorso ) {
sh = (short *)cTBonePtr->angles;
sh2 = (short *)cOldTBonePtr->angles;
pf = angles;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - torsoBacklerp * diff;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - torsoBacklerp * diff;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - torsoBacklerp * diff;
} else {
sh = (short *)cBonePtr->angles;
sh2 = (short *)cOldBonePtr->angles;
pf = angles;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - backlerp * diff;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - backlerp * diff;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - backlerp * diff;
if ( isTorso ) {
sh = (short *)cTBonePtr->angles;
sh2 = (short *)cOldTBonePtr->angles;
pf = tangles;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - torsoBacklerp * diff;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - torsoBacklerp * diff;
a1 = SHORT2ANGLE( *( sh++ ) ); a2 = SHORT2ANGLE( *( sh2++ ) ); diff = AngleNormalize180( a1 - a2 );
*( pf++ ) = a1 - torsoBacklerp * diff;
// blend the angles together
for ( j = 0; j < 3; j++ ) {
diff = tangles[j] - angles[j];
if ( fabs( diff ) > 180 ) {
diff = AngleNormalize180( diff );
}
angles[j] = angles[j] + thisBoneInfo->torsoWeight * diff;
}
}
}
AnglesToAxis( angles, bonePtr->matrix );
if ( parentBone ) {
if ( fullTorso ) {
sh = (short *)cTBonePtr->ofsAngles;
sh2 = (short *)cOldTBonePtr->ofsAngles;
} else {
sh = (short *)cBonePtr->ofsAngles;
sh2 = (short *)cOldBonePtr->ofsAngles;
}
pf = angles;
*( pf++ ) = SHORT2ANGLE( *( sh++ ) );
*( pf++ ) = SHORT2ANGLE( *( sh++ ) );
*( pf++ ) = 0;
LocalAngleVector( angles, v2 ); // new
pf = angles;
*( pf++ ) = SHORT2ANGLE( *( sh2++ ) );
*( pf++ ) = SHORT2ANGLE( *( sh2++ ) );
*( pf++ ) = 0;
LocalAngleVector( angles, vec ); // old
// blend the angles together
if ( fullTorso ) {
SLerp_Normal( vec, v2, torsoFrontlerp, dir );
} else {
SLerp_Normal( vec, v2, frontlerp, dir );
}
// translation
if ( !fullTorso && isTorso ) { // partial legs/torso, need to lerp according to torsoWeight
// calc the torso frame
sh = (short *)cTBonePtr->ofsAngles;
sh2 = (short *)cOldTBonePtr->ofsAngles;
pf = angles;
*( pf++ ) = SHORT2ANGLE( *( sh++ ) );
*( pf++ ) = SHORT2ANGLE( *( sh++ ) );
*( pf++ ) = 0;
LocalAngleVector( angles, v2 ); // new
pf = angles;
*( pf++ ) = SHORT2ANGLE( *( sh2++ ) );
*( pf++ ) = SHORT2ANGLE( *( sh2++ ) );
*( pf++ ) = 0;
LocalAngleVector( angles, vec ); // old
// blend the angles together
SLerp_Normal( vec, v2, torsoFrontlerp, v2 );
// blend the torso/legs together
SLerp_Normal( dir, v2, thisBoneInfo->torsoWeight, dir );
}
LocalVectorMA( parentBone->translation, thisBoneInfo->parentDist, dir, bonePtr->translation );
} else { // just interpolate the frame positions
bonePtr->translation[0] = frontlerp * frame->parentOffset[0] + backlerp * oldFrame->parentOffset[0];
bonePtr->translation[1] = frontlerp * frame->parentOffset[1] + backlerp * oldFrame->parentOffset[1];
bonePtr->translation[2] = frontlerp * frame->parentOffset[2] + backlerp * oldFrame->parentOffset[2];
}
//
if ( boneNum == header->torsoParent ) { // this is the torsoParent
VectorCopy( bonePtr->translation, torsoParentOffset );
}
validBones[boneNum] = 1;
//
rawBones[boneNum] = *bonePtr;
newBones[boneNum] = 1;
}
/*
==============
R_CalcBones
The list of bones[] should only be built and modified from within here
==============
*/
void R_CalcBones( mdsHeader_t *header, const refEntity_t *refent, int *boneList, int numBones ) {
int i;
int *boneRefs;
float torsoWeight;
//
// if the entity has changed since the last time the bones were built, reset them
//
if ( memcmp( &lastBoneEntity, refent, sizeof( refEntity_t ) ) ) {
// different, cached bones are not valid
memset( validBones, 0, header->numBones );
lastBoneEntity = *refent;
if ( r_bonesDebug->integer == 4 && totalrt ) {
ri.Printf( PRINT_ALL, "Lod %.2f verts %4d/%4d tris %4d/%4d (%.2f%%)\n",
lodScale,
totalrv,
totalv,
totalrt,
totalt,
( float )( 100.0 * totalrt ) / (float) totalt );
}
totalrv = totalrt = totalv = totalt = 0;
}
memset( newBones, 0, header->numBones );
if ( refent->oldframe == refent->frame ) {
backlerp = 0;
frontlerp = 1;
} else {
backlerp = refent->backlerp;
frontlerp = 1.0f - backlerp;
}
if ( refent->oldTorsoFrame == refent->torsoFrame ) {
torsoBacklerp = 0;
torsoFrontlerp = 1;
} else {
torsoBacklerp = refent->torsoBacklerp;
torsoFrontlerp = 1.0f - torsoBacklerp;
}
frameSize = (int) ( sizeof( mdsFrame_t ) + ( header->numBones - 1 ) * sizeof( mdsBoneFrameCompressed_t ) );
frame = ( mdsFrame_t * )( (byte *)header + header->ofsFrames +
refent->frame * frameSize );
torsoFrame = ( mdsFrame_t * )( (byte *)header + header->ofsFrames +
refent->torsoFrame * frameSize );
oldFrame = ( mdsFrame_t * )( (byte *)header + header->ofsFrames +
refent->oldframe * frameSize );
oldTorsoFrame = ( mdsFrame_t * )( (byte *)header + header->ofsFrames +
refent->oldTorsoFrame * frameSize );
//
// lerp all the needed bones (torsoParent is always the first bone in the list)
//
cBoneList = frame->bones;
cBoneListTorso = torsoFrame->bones;
boneInfo = ( mdsBoneInfo_t * )( (byte *)header + header->ofsBones );
boneRefs = boneList;
//
Matrix3Transpose( refent->torsoAxis, torsoAxis );
#ifdef HIGH_PRECISION_BONES
if ( qtrue ) {
#else
if ( !backlerp && !torsoBacklerp ) {
#endif
for ( i = 0; i < numBones; i++, boneRefs++ ) {
if ( validBones[*boneRefs] ) {
// this bone is still in the cache
bones[*boneRefs] = rawBones[*boneRefs];
continue;
}
// find our parent, and make sure it has been calculated
if ( ( boneInfo[*boneRefs].parent >= 0 ) && ( !validBones[boneInfo[*boneRefs].parent] && !newBones[boneInfo[*boneRefs].parent] ) ) {
R_CalcBone( header, refent, boneInfo[*boneRefs].parent );
}
R_CalcBone( header, refent, *boneRefs );
}
} else { // interpolated
cOldBoneList = oldFrame->bones;
cOldBoneListTorso = oldTorsoFrame->bones;
for ( i = 0; i < numBones; i++, boneRefs++ ) {
if ( validBones[*boneRefs] ) {
// this bone is still in the cache
bones[*boneRefs] = rawBones[*boneRefs];
continue;
}
// find our parent, and make sure it has been calculated
if ( ( boneInfo[*boneRefs].parent >= 0 ) && ( !validBones[boneInfo[*boneRefs].parent] && !newBones[boneInfo[*boneRefs].parent] ) ) {
R_CalcBoneLerp( header, refent, boneInfo[*boneRefs].parent );
}
R_CalcBoneLerp( header, refent, *boneRefs );
}
}
// adjust for torso rotations
torsoWeight = 0;
boneRefs = boneList;
for ( i = 0; i < numBones; i++, boneRefs++ ) {
thisBoneInfo = &boneInfo[ *boneRefs ];
bonePtr = &bones[ *boneRefs ];
// add torso rotation
if ( thisBoneInfo->torsoWeight > 0 ) {
if ( !newBones[ *boneRefs ] ) {