mirror of
https://github.com/DrBeef/ioq3quest.git
synced 2024-11-10 23:02:01 +00:00
Fix loading and rendering IQMs with no joints
This commit is contained in:
Zack Middleton
parent
ecd50f01c2
commit
bf962c516d
2 changed files with 182 additions and 148 deletions
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@ -334,68 +334,72 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
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}
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}
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// check and swap joints
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if( IQM_CheckRange( header, header->ofs_joints,
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header->num_joints, sizeof(iqmJoint_t) ) ) {
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return qfalse;
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}
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joint = (iqmJoint_t *)((byte *)header + header->ofs_joints);
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joint_names = 0;
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for( i = 0; i < header->num_joints; i++, joint++ ) {
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LL( joint->name );
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LL( joint->parent );
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LL( joint->translate[0] );
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LL( joint->translate[1] );
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LL( joint->translate[2] );
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LL( joint->rotate[0] );
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LL( joint->rotate[1] );
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LL( joint->rotate[2] );
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LL( joint->rotate[3] );
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LL( joint->scale[0] );
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LL( joint->scale[1] );
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LL( joint->scale[2] );
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if( joint->parent < -1 ||
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joint->parent >= (int)header->num_joints ||
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joint->name >= (int)header->num_text ) {
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return qfalse;
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}
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joint_names += strlen( (char *)header + header->ofs_text +
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joint->name ) + 1;
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}
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// check and swap poses
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if( header->num_poses != header->num_joints ) {
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return qfalse;
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}
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if( IQM_CheckRange( header, header->ofs_poses,
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header->num_poses, sizeof(iqmPose_t) ) ) {
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return qfalse;
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}
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pose = (iqmPose_t *)((byte *)header + header->ofs_poses);
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for( i = 0; i < header->num_poses; i++, pose++ ) {
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LL( pose->parent );
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LL( pose->mask );
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LL( pose->channeloffset[0] );
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LL( pose->channeloffset[1] );
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LL( pose->channeloffset[2] );
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LL( pose->channeloffset[3] );
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LL( pose->channeloffset[4] );
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LL( pose->channeloffset[5] );
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LL( pose->channeloffset[6] );
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LL( pose->channeloffset[7] );
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LL( pose->channeloffset[8] );
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LL( pose->channeloffset[9] );
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LL( pose->channelscale[0] );
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LL( pose->channelscale[1] );
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LL( pose->channelscale[2] );
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LL( pose->channelscale[3] );
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LL( pose->channelscale[4] );
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LL( pose->channelscale[5] );
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LL( pose->channelscale[6] );
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LL( pose->channelscale[7] );
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LL( pose->channelscale[8] );
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LL( pose->channelscale[9] );
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if ( header->num_joints )
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{
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// check and swap joints
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if( IQM_CheckRange( header, header->ofs_joints,
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header->num_joints, sizeof(iqmJoint_t) ) ) {
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return qfalse;
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}
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joint = (iqmJoint_t *)((byte *)header + header->ofs_joints);
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joint_names = 0;
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for( i = 0; i < header->num_joints; i++, joint++ ) {
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LL( joint->name );
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LL( joint->parent );
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LL( joint->translate[0] );
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LL( joint->translate[1] );
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LL( joint->translate[2] );
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LL( joint->rotate[0] );
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LL( joint->rotate[1] );
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LL( joint->rotate[2] );
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LL( joint->rotate[3] );
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LL( joint->scale[0] );
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LL( joint->scale[1] );
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LL( joint->scale[2] );
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if( joint->parent < -1 ||
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joint->parent >= (int)header->num_joints ||
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joint->name >= (int)header->num_text ) {
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return qfalse;
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}
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joint_names += strlen( (char *)header + header->ofs_text +
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joint->name ) + 1;
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}
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// check and swap poses
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if( IQM_CheckRange( header, header->ofs_poses,
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header->num_poses, sizeof(iqmPose_t) ) ) {
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return qfalse;
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}
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pose = (iqmPose_t *)((byte *)header + header->ofs_poses);
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for( i = 0; i < header->num_poses; i++, pose++ ) {
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LL( pose->parent );
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LL( pose->mask );
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LL( pose->channeloffset[0] );
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LL( pose->channeloffset[1] );
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LL( pose->channeloffset[2] );
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LL( pose->channeloffset[3] );
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LL( pose->channeloffset[4] );
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LL( pose->channeloffset[5] );
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LL( pose->channeloffset[6] );
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LL( pose->channeloffset[7] );
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LL( pose->channeloffset[8] );
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LL( pose->channeloffset[9] );
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LL( pose->channelscale[0] );
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LL( pose->channelscale[1] );
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LL( pose->channelscale[2] );
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LL( pose->channelscale[3] );
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LL( pose->channelscale[4] );
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LL( pose->channelscale[5] );
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LL( pose->channelscale[6] );
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LL( pose->channelscale[7] );
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LL( pose->channelscale[8] );
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LL( pose->channelscale[9] );
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}
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}
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if (header->ofs_bounds)
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@ -468,6 +472,9 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
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iqmData->triangles = iqmData->jointParents + header->num_joints;
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iqmData->names = (char *)(iqmData->triangles + 3 * header->num_triangles);
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if ( header->num_joints == 0 )
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iqmData->jointMats = iqmData->poseMats = NULL;
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// calculate joint matrices and their inverses
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// joint inverses are needed only until the pose matrices are calculated
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mat = iqmData->jointMats;
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@ -941,8 +948,8 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
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vec2_t (*outTexCoord)[2] = &tess.texCoords[tess.numVertexes];
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color4ub_t *outColor = &tess.vertexColors[tess.numVertexes];
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int frame = backEnd.currentEntity->e.frame % data->num_frames;
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int oldframe = backEnd.currentEntity->e.oldframe % data->num_frames;
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int frame = data->num_frames ? backEnd.currentEntity->e.frame % data->num_frames : 0;
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int oldframe = data->num_frames ? backEnd.currentEntity->e.oldframe % data->num_frames : 0;
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float backlerp = backEnd.currentEntity->e.backlerp;
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int *tri;
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@ -952,7 +959,9 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
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RB_CHECKOVERFLOW( surf->num_vertexes, surf->num_triangles * 3 );
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// compute interpolated joint matrices
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ComputePoseMats( data, frame, oldframe, backlerp, jointMats );
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if ( data->num_joints > 0 ) {
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ComputePoseMats( data, frame, oldframe, backlerp, jointMats );
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}
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// transform vertexes and fill other data
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for( i = 0; i < surf->num_vertexes;
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@ -962,20 +971,28 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
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float nrmMat[9];
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int vtx = i + surf->first_vertex;
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// compute the vertex matrix by blending the up to
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// four blend weights
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for( k = 0; k < 12; k++ )
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vtxMat[k] = data->blendWeights[4*vtx]
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* jointMats[12*data->blendIndexes[4*vtx] + k];
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for( j = 1; j < 4; j++ ) {
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if( data->blendWeights[4*vtx + j] <= 0 )
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break;
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if ( data->num_joints == 0 || data->blendWeights[4*vtx] <= 0 ) {
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// no blend joint, use identity matrix.
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for( j = 0; j < 3; j++ ) {
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for( k = 0; k < 4; k++ )
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vtxMat[4*j+k] = ( k == j ) ? 1 : 0;
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}
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} else {
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// compute the vertex matrix by blending the up to
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// four blend weights
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for( k = 0; k < 12; k++ )
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vtxMat[k] += data->blendWeights[4*vtx + j]
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* jointMats[12*data->blendIndexes[4*vtx + j] + k];
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vtxMat[k] = data->blendWeights[4*vtx]
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* jointMats[12*data->blendIndexes[4*vtx] + k];
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for( j = 1; j < 4; j++ ) {
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if( data->blendWeights[4*vtx + j] <= 0 )
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break;
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for( k = 0; k < 12; k++ )
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vtxMat[k] += data->blendWeights[4*vtx + j]
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* jointMats[12*data->blendIndexes[4*vtx + j] + k];
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}
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for( k = 0; k < 12; k++ )
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vtxMat[k] *= 1.0f / 255.0f;
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}
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for( k = 0; k < 12; k++ )
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vtxMat[k] *= 1.0f / 255.0f;
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// compute the normal matrix as transpose of the adjoint
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// of the vertex matrix
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@ -334,68 +334,72 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
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}
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}
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// check and swap joints
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if( IQM_CheckRange( header, header->ofs_joints,
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header->num_joints, sizeof(iqmJoint_t) ) ) {
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return qfalse;
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}
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joint = (iqmJoint_t *)((byte *)header + header->ofs_joints);
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joint_names = 0;
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for( i = 0; i < header->num_joints; i++, joint++ ) {
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LL( joint->name );
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LL( joint->parent );
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LL( joint->translate[0] );
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LL( joint->translate[1] );
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LL( joint->translate[2] );
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LL( joint->rotate[0] );
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LL( joint->rotate[1] );
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LL( joint->rotate[2] );
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LL( joint->rotate[3] );
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LL( joint->scale[0] );
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LL( joint->scale[1] );
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LL( joint->scale[2] );
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if( joint->parent < -1 ||
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joint->parent >= (int)header->num_joints ||
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joint->name >= (int)header->num_text ) {
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return qfalse;
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}
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joint_names += strlen( (char *)header + header->ofs_text +
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joint->name ) + 1;
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}
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// check and swap poses
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if( header->num_poses != header->num_joints ) {
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return qfalse;
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}
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if( IQM_CheckRange( header, header->ofs_poses,
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header->num_poses, sizeof(iqmPose_t) ) ) {
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return qfalse;
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}
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pose = (iqmPose_t *)((byte *)header + header->ofs_poses);
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for( i = 0; i < header->num_poses; i++, pose++ ) {
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LL( pose->parent );
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LL( pose->mask );
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LL( pose->channeloffset[0] );
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LL( pose->channeloffset[1] );
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LL( pose->channeloffset[2] );
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LL( pose->channeloffset[3] );
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LL( pose->channeloffset[4] );
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LL( pose->channeloffset[5] );
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LL( pose->channeloffset[6] );
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LL( pose->channeloffset[7] );
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LL( pose->channeloffset[8] );
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LL( pose->channeloffset[9] );
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LL( pose->channelscale[0] );
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LL( pose->channelscale[1] );
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LL( pose->channelscale[2] );
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LL( pose->channelscale[3] );
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LL( pose->channelscale[4] );
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LL( pose->channelscale[5] );
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LL( pose->channelscale[6] );
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LL( pose->channelscale[7] );
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LL( pose->channelscale[8] );
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LL( pose->channelscale[9] );
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if ( header->num_joints )
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{
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// check and swap joints
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if( IQM_CheckRange( header, header->ofs_joints,
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header->num_joints, sizeof(iqmJoint_t) ) ) {
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return qfalse;
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}
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joint = (iqmJoint_t *)((byte *)header + header->ofs_joints);
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joint_names = 0;
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for( i = 0; i < header->num_joints; i++, joint++ ) {
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LL( joint->name );
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LL( joint->parent );
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LL( joint->translate[0] );
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LL( joint->translate[1] );
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LL( joint->translate[2] );
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LL( joint->rotate[0] );
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LL( joint->rotate[1] );
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LL( joint->rotate[2] );
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LL( joint->rotate[3] );
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LL( joint->scale[0] );
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LL( joint->scale[1] );
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LL( joint->scale[2] );
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if( joint->parent < -1 ||
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joint->parent >= (int)header->num_joints ||
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joint->name >= (int)header->num_text ) {
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return qfalse;
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}
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joint_names += strlen( (char *)header + header->ofs_text +
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joint->name ) + 1;
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}
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// check and swap poses
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if( IQM_CheckRange( header, header->ofs_poses,
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header->num_poses, sizeof(iqmPose_t) ) ) {
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return qfalse;
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}
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pose = (iqmPose_t *)((byte *)header + header->ofs_poses);
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for( i = 0; i < header->num_poses; i++, pose++ ) {
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LL( pose->parent );
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LL( pose->mask );
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LL( pose->channeloffset[0] );
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LL( pose->channeloffset[1] );
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LL( pose->channeloffset[2] );
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LL( pose->channeloffset[3] );
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LL( pose->channeloffset[4] );
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LL( pose->channeloffset[5] );
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LL( pose->channeloffset[6] );
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LL( pose->channeloffset[7] );
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LL( pose->channeloffset[8] );
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LL( pose->channeloffset[9] );
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LL( pose->channelscale[0] );
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LL( pose->channelscale[1] );
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LL( pose->channelscale[2] );
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LL( pose->channelscale[3] );
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LL( pose->channelscale[4] );
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LL( pose->channelscale[5] );
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LL( pose->channelscale[6] );
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LL( pose->channelscale[7] );
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LL( pose->channelscale[8] );
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LL( pose->channelscale[9] );
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}
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}
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if (header->ofs_bounds)
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@ -468,6 +472,9 @@ qboolean R_LoadIQM( model_t *mod, void *buffer, int filesize, const char *mod_na
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iqmData->triangles = iqmData->jointParents + header->num_joints;
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iqmData->names = (char *)(iqmData->triangles + 3 * header->num_triangles);
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if ( header->num_joints == 0 )
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iqmData->jointMats = iqmData->poseMats = NULL;
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// calculate joint matrices and their inverses
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// joint inverses are needed only until the pose matrices are calculated
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mat = iqmData->jointMats;
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@ -941,8 +948,8 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
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vec2_t (*outTexCoord)[2] = &tess.texCoords[tess.numVertexes];
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vec4_t *outColor = &tess.vertexColors[tess.numVertexes];
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int frame = backEnd.currentEntity->e.frame % data->num_frames;
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int oldframe = backEnd.currentEntity->e.oldframe % data->num_frames;
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int frame = data->num_frames ? backEnd.currentEntity->e.frame % data->num_frames : 0;
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int oldframe = data->num_frames ? backEnd.currentEntity->e.oldframe % data->num_frames : 0;
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float backlerp = backEnd.currentEntity->e.backlerp;
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int *tri;
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@ -952,7 +959,9 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
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RB_CHECKOVERFLOW( surf->num_vertexes, surf->num_triangles * 3 );
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// compute interpolated joint matrices
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ComputePoseMats( data, frame, oldframe, backlerp, jointMats );
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if ( data->num_joints > 0 ) {
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ComputePoseMats( data, frame, oldframe, backlerp, jointMats );
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}
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// transform vertexes and fill other data
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for( i = 0; i < surf->num_vertexes;
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@ -962,20 +971,28 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
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float nrmMat[9];
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int vtx = i + surf->first_vertex;
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// compute the vertex matrix by blending the up to
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// four blend weights
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for( k = 0; k < 12; k++ )
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vtxMat[k] = data->blendWeights[4*vtx]
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* jointMats[12*data->blendIndexes[4*vtx] + k];
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for( j = 1; j < 4; j++ ) {
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if( data->blendWeights[4*vtx + j] <= 0 )
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break;
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if ( data->num_joints == 0 || data->blendWeights[4*vtx] <= 0 ) {
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// no blend joint, use identity matrix.
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for( j = 0; j < 3; j++ ) {
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for( k = 0; k < 4; k++ )
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vtxMat[4*j+k] = ( k == j ) ? 1 : 0;
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}
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} else {
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// compute the vertex matrix by blending the up to
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// four blend weights
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for( k = 0; k < 12; k++ )
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vtxMat[k] += data->blendWeights[4*vtx + j]
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* jointMats[12*data->blendIndexes[4*vtx + j] + k];
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vtxMat[k] = data->blendWeights[4*vtx]
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* jointMats[12*data->blendIndexes[4*vtx] + k];
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for( j = 1; j < 4; j++ ) {
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if( data->blendWeights[4*vtx + j] <= 0 )
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break;
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for( k = 0; k < 12; k++ )
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vtxMat[k] += data->blendWeights[4*vtx + j]
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* jointMats[12*data->blendIndexes[4*vtx + j] + k];
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}
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for( k = 0; k < 12; k++ )
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vtxMat[k] *= 1.0f / 255.0f;
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}
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for( k = 0; k < 12; k++ )
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vtxMat[k] *= 1.0f / 255.0f;
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// compute the normal matrix as transpose of the adjoint
|
||||
// of the vertex matrix
|
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|
|
|
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Reference in a new issue