void QuatMultiply0(quat_t qa, const quat_t qb) { quat_t tmp; quat_copy(qa, tmp); QuatMultiply1(tmp, qb, qa); }
/* ============== RE_BuildSkeleton ============== */ int RE_BuildSkeleton(refSkeleton_t * skel, qhandle_t hAnim, int startFrame, int endFrame, float frac, qboolean clearOrigin) { skelAnimation_t *skelAnim; skelAnim = R_GetAnimationByHandle(hAnim); if(skelAnim->type == AT_MD5 && skelAnim->md5) { int i; md5Animation_t *anim; md5Channel_t *channel; md5Frame_t *newFrame, *oldFrame; vec3_t newOrigin, oldOrigin, lerpedOrigin; quat_t newQuat, oldQuat, lerpedQuat; int componentsApplied; anim = skelAnim->md5; // Validate the frames so there is no chance of a crash. // This will write directly into the entity structure, so // when the surfaces are rendered, they don't need to be // range checked again. /* if((startFrame >= anim->numFrames) || (startFrame < 0) || (endFrame >= anim->numFrames) || (endFrame < 0)) { ri.Printf(PRINT_DEVELOPER, "RE_BuildSkeleton: no such frame %d to %d for '%s'\n", startFrame, endFrame, anim->name); //startFrame = 0; //endFrame = 0; } */ Q_clamp(startFrame, 0, anim->numFrames - 1); Q_clamp(endFrame, 0, anim->numFrames - 1); // compute frame pointers oldFrame = &anim->frames[startFrame]; newFrame = &anim->frames[endFrame]; // calculate a bounding box in the current coordinate system for(i = 0; i < 3; i++) { skel->bounds[0][i] = oldFrame->bounds[0][i] < newFrame->bounds[0][i] ? oldFrame->bounds[0][i] : newFrame->bounds[0][i]; skel->bounds[1][i] = oldFrame->bounds[1][i] > newFrame->bounds[1][i] ? oldFrame->bounds[1][i] : newFrame->bounds[1][i]; } for(i = 0, channel = anim->channels; i < anim->numChannels; i++, channel++) { // set baseframe values VectorCopy(channel->baseOrigin, newOrigin); VectorCopy(channel->baseOrigin, oldOrigin); QuatCopy(channel->baseQuat, newQuat); QuatCopy(channel->baseQuat, oldQuat); componentsApplied = 0; // update tranlation bits if(channel->componentsBits & COMPONENT_BIT_TX) { oldOrigin[0] = oldFrame->components[channel->componentsOffset + componentsApplied]; newOrigin[0] = newFrame->components[channel->componentsOffset + componentsApplied]; componentsApplied++; } if(channel->componentsBits & COMPONENT_BIT_TY) { oldOrigin[1] = oldFrame->components[channel->componentsOffset + componentsApplied]; newOrigin[1] = newFrame->components[channel->componentsOffset + componentsApplied]; componentsApplied++; } if(channel->componentsBits & COMPONENT_BIT_TZ) { oldOrigin[2] = oldFrame->components[channel->componentsOffset + componentsApplied]; newOrigin[2] = newFrame->components[channel->componentsOffset + componentsApplied]; componentsApplied++; } // update quaternion rotation bits if(channel->componentsBits & COMPONENT_BIT_QX) { ((vec_t *) oldQuat)[0] = oldFrame->components[channel->componentsOffset + componentsApplied]; ((vec_t *) newQuat)[0] = newFrame->components[channel->componentsOffset + componentsApplied]; componentsApplied++; } if(channel->componentsBits & COMPONENT_BIT_QY) { ((vec_t *) oldQuat)[1] = oldFrame->components[channel->componentsOffset + componentsApplied]; ((vec_t *) newQuat)[1] = newFrame->components[channel->componentsOffset + componentsApplied]; componentsApplied++; } if(channel->componentsBits & COMPONENT_BIT_QZ) { ((vec_t *) oldQuat)[2] = oldFrame->components[channel->componentsOffset + componentsApplied]; ((vec_t *) newQuat)[2] = newFrame->components[channel->componentsOffset + componentsApplied]; } QuatCalcW(oldQuat); QuatNormalize(oldQuat); QuatCalcW(newQuat); QuatNormalize(newQuat); #if 1 VectorLerp(oldOrigin, newOrigin, frac, lerpedOrigin); QuatSlerp(oldQuat, newQuat, frac, lerpedQuat); #else VectorCopy(newOrigin, lerpedOrigin); QuatCopy(newQuat, lerpedQuat); #endif // copy lerped information to the bone + extra data skel->bones[i].parentIndex = channel->parentIndex; if(channel->parentIndex < 0 && clearOrigin) { VectorClear(skel->bones[i].origin); QuatClear(skel->bones[i].rotation); // move bounding box back VectorSubtract(skel->bounds[0], lerpedOrigin, skel->bounds[0]); VectorSubtract(skel->bounds[1], lerpedOrigin, skel->bounds[1]); } else { VectorCopy(lerpedOrigin, skel->bones[i].origin); } QuatCopy(lerpedQuat, skel->bones[i].rotation); #if defined(REFBONE_NAMES) Q_strncpyz(skel->bones[i].name, channel->name, sizeof(skel->bones[i].name)); #endif } skel->numBones = anim->numChannels; skel->type = SK_RELATIVE; return qtrue; } else if(skelAnim->type == AT_PSA && skelAnim->psa) { int i; psaAnimation_t *anim; axAnimationKey_t *newKey, *oldKey; axReferenceBone_t *refBone; vec3_t newOrigin, oldOrigin, lerpedOrigin; quat_t newQuat, oldQuat, lerpedQuat; refSkeleton_t skeleton; anim = skelAnim->psa; Q_clamp(startFrame, 0, anim->info.numRawFrames - 1); Q_clamp(endFrame, 0, anim->info.numRawFrames - 1); ClearBounds(skel->bounds[0], skel->bounds[1]); skel->numBones = anim->info.numBones; for(i = 0, refBone = anim->bones; i < anim->info.numBones; i++, refBone++) { oldKey = &anim->keys[startFrame * anim->info.numBones + i]; newKey = &anim->keys[endFrame * anim->info.numBones + i]; VectorCopy(newKey->position, newOrigin); VectorCopy(oldKey->position, oldOrigin); QuatCopy(newKey->quat, newQuat); QuatCopy(oldKey->quat, oldQuat); //QuatCalcW(oldQuat); //QuatNormalize(oldQuat); //QuatCalcW(newQuat); //QuatNormalize(newQuat); VectorLerp(oldOrigin, newOrigin, frac, lerpedOrigin); QuatSlerp(oldQuat, newQuat, frac, lerpedQuat); // copy lerped information to the bone + extra data skel->bones[i].parentIndex = refBone->parentIndex; if(refBone->parentIndex < 0 && clearOrigin) { VectorClear(skel->bones[i].origin); QuatClear(skel->bones[i].rotation); // move bounding box back VectorSubtract(skel->bounds[0], lerpedOrigin, skel->bounds[0]); VectorSubtract(skel->bounds[1], lerpedOrigin, skel->bounds[1]); } else { VectorCopy(lerpedOrigin, skel->bones[i].origin); } QuatCopy(lerpedQuat, skel->bones[i].rotation); #if defined(REFBONE_NAMES) Q_strncpyz(skel->bones[i].name, refBone->name, sizeof(skel->bones[i].name)); #endif // calculate absolute values for the bounding box approximation VectorCopy(skel->bones[i].origin, skeleton.bones[i].origin); QuatCopy(skel->bones[i].rotation, skeleton.bones[i].rotation); if(refBone->parentIndex >= 0) { vec3_t rotated; quat_t quat; refBone_t *parent; refBone_t *bone; bone = &skeleton.bones[i]; parent = &skeleton.bones[refBone->parentIndex]; QuatTransformVector(parent->rotation, bone->origin, rotated); VectorAdd(parent->origin, rotated, bone->origin); QuatMultiply1(parent->rotation, bone->rotation, quat); QuatCopy(quat, bone->rotation); AddPointToBounds(bone->origin, skel->bounds[0], skel->bounds[1]); } } skel->numBones = anim->info.numBones; skel->type = SK_RELATIVE; return qtrue; } //ri.Printf(PRINT_WARNING, "RE_BuildSkeleton: bad animation '%s' with handle %i\n", anim->name, hAnim); // FIXME: clear existing bones and bounds? return qfalse; }
qboolean R_LoadPSK(model_t *mod, void *buffer, int bufferSize, const char *modName) { int i, j, k; memStream_t *stream = NULL; axChunkHeader_t chunkHeader; int numPoints; axPoint_t *point; axPoint_t *points = NULL; int numVertexes; axVertex_t *vertex; axVertex_t *vertexes = NULL; //int numSmoothGroups; int numTriangles; axTriangle_t *triangle; axTriangle_t *triangles = NULL; int numMaterials; axMaterial_t *material; axMaterial_t *materials = NULL; int numReferenceBones; axReferenceBone_t *refBone; axReferenceBone_t *refBones = NULL; int numWeights; axBoneWeight_t *axWeight; axBoneWeight_t *axWeights = NULL; md5Model_t *md5; md5Bone_t *md5Bone; md5Weight_t *weight; vec3_t boneOrigin; quat_t boneQuat; //mat4_t boneMat; int materialIndex, oldMaterialIndex; int numRemaining; growList_t sortedTriangles; growList_t vboVertexes; growList_t vboTriangles; growList_t vboSurfaces; int numBoneReferences; int boneReferences[MAX_BONES]; mat4_t unrealToQuake; #define DeallocAll() Com_Dealloc(materials); \ Com_Dealloc(points); \ Com_Dealloc(vertexes); \ Com_Dealloc(triangles); \ Com_Dealloc(refBones); \ Com_Dealloc(axWeights); \ FreeMemStream(stream); //MatrixSetupScale(unrealToQuake, 1, -1, 1); mat4_from_angles(unrealToQuake, 0, 90, 0); stream = AllocMemStream(buffer, bufferSize); GetChunkHeader(stream, &chunkHeader); // check indent again if (Q_stricmpn(chunkHeader.ident, "ACTRHEAD", 8)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "ACTRHEAD"); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); mod->type = MOD_MD5; mod->dataSize += sizeof(md5Model_t); md5 = mod->md5 = ri.Hunk_Alloc(sizeof(md5Model_t), h_low); // read points GetChunkHeader(stream, &chunkHeader); if (Q_stricmpn(chunkHeader.ident, "PNTS0000", 8)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "PNTS0000"); DeallocAll(); return qfalse; } if (chunkHeader.dataSize != sizeof(axPoint_t)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk dataSize ('%i' should be '%i')\n", modName, chunkHeader.dataSize, ( int ) sizeof(axPoint_t)); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); numPoints = chunkHeader.numData; points = Com_Allocate(numPoints * sizeof(axPoint_t)); for (i = 0, point = points; i < numPoints; i++, point++) { point->point[0] = MemStreamGetFloat(stream); point->point[1] = MemStreamGetFloat(stream); point->point[2] = MemStreamGetFloat(stream); #if 0 // HACK convert from Unreal coordinate system to the Quake one MatrixTransformPoint2(unrealToQuake, point->point); #endif } // read vertices GetChunkHeader(stream, &chunkHeader); if (Q_stricmpn(chunkHeader.ident, "VTXW0000", 8)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "VTXW0000"); DeallocAll(); return qfalse; } if (chunkHeader.dataSize != sizeof(axVertex_t)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk dataSize ('%i' should be '%i')\n", modName, chunkHeader.dataSize, ( int ) sizeof(axVertex_t)); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); numVertexes = chunkHeader.numData; vertexes = Com_Allocate(numVertexes * sizeof(axVertex_t)); { int tmpVertexInt = -1; // tmp vertex member values - MemStreamGet functions return -1 if they fail // now we print a warning if they do or abort if pointIndex is invalid for (i = 0, vertex = vertexes; i < numVertexes; i++, vertex++) { tmpVertexInt = MemStreamGetShort(stream); if (tmpVertexInt < 0 || tmpVertexInt >= numPoints) { ri.Printf(PRINT_ERROR, "R_LoadPSK: '%s' has vertex with point index out of range (%i while max %i)\n", modName, tmpVertexInt, numPoints); DeallocAll(); return qfalse; } vertex->pointIndex = tmpVertexInt; tmpVertexInt = MemStreamGetShort(stream); if (tmpVertexInt < 0) { Ren_Warning("R_LoadPSK: MemStream NULL or empty (vertex->unknownA)\n"); } vertex->unknownA = tmpVertexInt; vertex->st[0] = MemStreamGetFloat(stream); if (vertex->st[0] == -1) { Ren_Warning("R_LoadPSK: MemStream possibly NULL or empty (vertex->st[0])\n"); } vertex->st[1] = MemStreamGetFloat(stream); if (vertex->st[1] == -1) { Ren_Warning("R_LoadPSK: MemStream possibly NULL or empty (vertex->st[1])\n"); } tmpVertexInt = MemStreamGetC(stream); if (tmpVertexInt < 0) { Ren_Warning("R_LoadPSK: MemStream NULL or empty (vertex->materialIndex)\n"); } vertex->materialIndex = tmpVertexInt; tmpVertexInt = MemStreamGetC(stream); if (tmpVertexInt < 0) { Ren_Warning("R_LoadPSK: MemStream NULL or empty (vertex->materialIndex)\n"); } vertex->reserved = tmpVertexInt; tmpVertexInt = MemStreamGetShort(stream); if (tmpVertexInt < 0) { Ren_Warning("R_LoadPSK: MemStream NULL or empty (vertex->materialIndex)\n"); } vertex->unknownB = tmpVertexInt; #if 0 Ren_Print("R_LoadPSK: axVertex_t(%i):\n" "axVertex:pointIndex: %i\n" "axVertex:unknownA: %i\n" "axVertex::st: %f %f\n" "axVertex:materialIndex: %i\n" "axVertex:reserved: %d\n" "axVertex:unknownB: %d\n", i, vertex->pointIndex, vertex->unknownA, vertex->st[0], vertex->st[1], vertex->materialIndex, vertex->reserved, vertex->unknownB); #endif } // read triangles GetChunkHeader(stream, &chunkHeader); if (Q_stricmpn(chunkHeader.ident, "FACE0000", 8)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "FACE0000"); DeallocAll(); return qfalse; } if (chunkHeader.dataSize != sizeof(axTriangle_t)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk dataSize ('%i' should be '%i')\n", modName, chunkHeader.dataSize, ( int ) sizeof(axTriangle_t)); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); numTriangles = chunkHeader.numData; triangles = Com_Allocate(numTriangles * sizeof(axTriangle_t)); for (i = 0, triangle = triangles; i < numTriangles; i++, triangle++) { for (j = 0; j < 3; j++) //for(j = 2; j >= 0; j--) { tmpVertexInt = MemStreamGetShort(stream); if (tmpVertexInt < 0) { Ren_Warning("R_LoadPSK: '%s' MemStream NULL or empty (triangle->indexes[%i])\n", modName, j); DeallocAll(); return qfalse; } if (tmpVertexInt >= numVertexes) { Ren_Warning("R_LoadPSK: '%s' has triangle with vertex index out of range (%i while max %i)\n", modName, tmpVertexInt, numVertexes); DeallocAll(); return qfalse; } triangle->indexes[j] = tmpVertexInt; } triangle->materialIndex = MemStreamGetC(stream); triangle->materialIndex2 = MemStreamGetC(stream); triangle->smoothingGroups = MemStreamGetLong(stream); } } // read materials GetChunkHeader(stream, &chunkHeader); if (Q_stricmpn(chunkHeader.ident, "MATT0000", 8)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "MATT0000"); DeallocAll(); return qfalse; } if (chunkHeader.dataSize != sizeof(axMaterial_t)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk dataSize ('%i' should be '%i')\n", modName, chunkHeader.dataSize, ( int ) sizeof(axMaterial_t)); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); numMaterials = chunkHeader.numData; materials = Com_Allocate(numMaterials * sizeof(axMaterial_t)); for (i = 0, material = materials; i < numMaterials; i++, material++) { MemStreamRead(stream, material->name, sizeof(material->name)); Ren_Print("R_LoadPSK: material name: '%s'\n", material->name); material->shaderIndex = MemStreamGetLong(stream); material->polyFlags = MemStreamGetLong(stream); material->auxMaterial = MemStreamGetLong(stream); material->auxFlags = MemStreamGetLong(stream); material->lodBias = MemStreamGetLong(stream); material->lodStyle = MemStreamGetLong(stream); } for (i = 0, vertex = vertexes; i < numVertexes; i++, vertex++) { if (vertex->materialIndex < 0 || vertex->materialIndex >= numMaterials) { Ren_Warning("R_LoadPSK: '%s' has vertex with material index out of range (%i while max %i)\n", modName, vertex->materialIndex, numMaterials); DeallocAll(); return qfalse; } } for (i = 0, triangle = triangles; i < numTriangles; i++, triangle++) { if (triangle->materialIndex < 0 || triangle->materialIndex >= numMaterials) { Ren_Warning("R_LoadPSK: '%s' has triangle with material index out of range (%i while max %i)\n", modName, triangle->materialIndex, numMaterials); DeallocAll(); return qfalse; } } // read reference bones GetChunkHeader(stream, &chunkHeader); if (Q_stricmpn(chunkHeader.ident, "REFSKELT", 8)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "REFSKELT"); DeallocAll(); return qfalse; } if (chunkHeader.dataSize != sizeof(axReferenceBone_t)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk dataSize ('%i' should be '%i')\n", modName, chunkHeader.dataSize, ( int ) sizeof(axReferenceBone_t)); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); numReferenceBones = chunkHeader.numData; refBones = Com_Allocate(numReferenceBones * sizeof(axReferenceBone_t)); for (i = 0, refBone = refBones; i < numReferenceBones; i++, refBone++) { MemStreamRead(stream, refBone->name, sizeof(refBone->name)); //Ren_Print("R_LoadPSK: reference bone name: '%s'\n", refBone->name); refBone->flags = MemStreamGetLong(stream); refBone->numChildren = MemStreamGetLong(stream); refBone->parentIndex = MemStreamGetLong(stream); GetBone(stream, &refBone->bone); #if 0 Ren_Print("R_LoadPSK: axReferenceBone_t(%i):\n" "axReferenceBone_t::name: '%s'\n" "axReferenceBone_t::flags: %i\n" "axReferenceBone_t::numChildren %i\n" "axReferenceBone_t::parentIndex: %i\n" "axReferenceBone_t::quat: %f %f %f %f\n" "axReferenceBone_t::position: %f %f %f\n" "axReferenceBone_t::length: %f\n" "axReferenceBone_t::xSize: %f\n" "axReferenceBone_t::ySize: %f\n" "axReferenceBone_t::zSize: %f\n", i, refBone->name, refBone->flags, refBone->numChildren, refBone->parentIndex, refBone->bone.quat[0], refBone->bone.quat[1], refBone->bone.quat[2], refBone->bone.quat[3], refBone->bone.position[0], refBone->bone.position[1], refBone->bone.position[2], refBone->bone.length, refBone->bone.xSize, refBone->bone.ySize, refBone->bone.zSize); #endif } // read bone weights GetChunkHeader(stream, &chunkHeader); if (Q_stricmpn(chunkHeader.ident, "RAWWEIGHTS", 10)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk indent ('%s' should be '%s')\n", modName, chunkHeader.ident, "RAWWEIGHTS"); DeallocAll(); return qfalse; } if (chunkHeader.dataSize != sizeof(axBoneWeight_t)) { Ren_Warning("R_LoadPSK: '%s' has wrong chunk dataSize ('%i' should be '%i')\n", modName, chunkHeader.dataSize, ( int ) sizeof(axBoneWeight_t)); DeallocAll(); return qfalse; } PrintChunkHeader(&chunkHeader); numWeights = chunkHeader.numData; axWeights = Com_Allocate(numWeights * sizeof(axBoneWeight_t)); for (i = 0, axWeight = axWeights; i < numWeights; i++, axWeight++) { axWeight->weight = MemStreamGetFloat(stream); axWeight->pointIndex = MemStreamGetLong(stream); axWeight->boneIndex = MemStreamGetLong(stream); #if 0 Ren_Print("R_LoadPSK: axBoneWeight_t(%i):\n" "axBoneWeight_t::weight: %f\n" "axBoneWeight_t::pointIndex %i\n" "axBoneWeight_t::boneIndex: %i\n", i, axWeight->weight, axWeight->pointIndex, axWeight->boneIndex); #endif } // // convert the model to an internal MD5 representation // md5->numBones = numReferenceBones; // calc numMeshes <number> /* numSmoothGroups = 0; for(i = 0, triangle = triangles; i < numTriangles; i++, triangle++) { if(triangle->smoothingGroups) { } } */ if (md5->numBones < 1) { Ren_Warning("R_LoadPSK: '%s' has no bones\n", modName); DeallocAll(); return qfalse; } if (md5->numBones > MAX_BONES) { Ren_Warning("R_LoadPSK: '%s' has more than %i bones (%i)\n", modName, MAX_BONES, md5->numBones); DeallocAll(); return qfalse; } //Ren_Print("R_LoadPSK: '%s' has %i bones\n", modName, md5->numBones); // copy all reference bones md5->bones = ri.Hunk_Alloc(sizeof(*md5Bone) * md5->numBones, h_low); for (i = 0, md5Bone = md5->bones, refBone = refBones; i < md5->numBones; i++, md5Bone++, refBone++) { Q_strncpyz(md5Bone->name, refBone->name, sizeof(md5Bone->name)); if (i == 0) { md5Bone->parentIndex = refBone->parentIndex - 1; } else { md5Bone->parentIndex = refBone->parentIndex; } //Ren_Print("R_LoadPSK: '%s' has bone '%s' with parent index %i\n", modName, md5Bone->name, md5Bone->parentIndex); if (md5Bone->parentIndex >= md5->numBones) { DeallocAll(); Ren_Drop("R_LoadPSK: '%s' has bone '%s' with bad parent index %i while numBones is %i", modName, md5Bone->name, md5Bone->parentIndex, md5->numBones); } for (j = 0; j < 3; j++) { boneOrigin[j] = refBone->bone.position[j]; } // I have really no idea why the .psk format stores the first quaternion with inverted quats. // Furthermore only the X and Z components of the first quat are inverted ?!?! if (i == 0) { boneQuat[0] = refBone->bone.quat[0]; boneQuat[1] = -refBone->bone.quat[1]; boneQuat[2] = refBone->bone.quat[2]; boneQuat[3] = refBone->bone.quat[3]; } else { boneQuat[0] = -refBone->bone.quat[0]; boneQuat[1] = -refBone->bone.quat[1]; boneQuat[2] = -refBone->bone.quat[2]; boneQuat[3] = refBone->bone.quat[3]; } VectorCopy(boneOrigin, md5Bone->origin); //MatrixTransformPoint(unrealToQuake, boneOrigin, md5Bone->origin); quat_copy(boneQuat, md5Bone->rotation); //QuatClear(md5Bone->rotation); #if 0 Ren_Print("R_LoadPSK: md5Bone_t(%i):\n" "md5Bone_t::name: '%s'\n" "md5Bone_t::parentIndex: %i\n" "md5Bone_t::quat: %f %f %f %f\n" "md5bone_t::position: %f %f %f\n", i, md5Bone->name, md5Bone->parentIndex, md5Bone->rotation[0], md5Bone->rotation[1], md5Bone->rotation[2], md5Bone->rotation[3], md5Bone->origin[0], md5Bone->origin[1], md5Bone->origin[2]); #endif if (md5Bone->parentIndex >= 0) { vec3_t rotated; quat_t quat; md5Bone_t *parent; parent = &md5->bones[md5Bone->parentIndex]; QuatTransformVector(parent->rotation, md5Bone->origin, rotated); //QuatTransformVector(md5Bone->rotation, md5Bone->origin, rotated); VectorAdd(parent->origin, rotated, md5Bone->origin); QuatMultiply1(parent->rotation, md5Bone->rotation, quat); quat_copy(quat, md5Bone->rotation); } MatrixSetupTransformFromQuat(md5Bone->inverseTransform, md5Bone->rotation, md5Bone->origin); mat4_inverse_self(md5Bone->inverseTransform); #if 0 Ren_Print("R_LoadPSK: md5Bone_t(%i):\n" "md5Bone_t::name: '%s'\n" "md5Bone_t::parentIndex: %i\n" "md5Bone_t::quat: %f %f %f %f\n" "md5bone_t::position: %f %f %f\n", i, md5Bone->name, md5Bone->parentIndex, md5Bone->rotation[0], md5Bone->rotation[1], md5Bone->rotation[2], md5Bone->rotation[3], md5Bone->origin[0], md5Bone->origin[1], md5Bone->origin[2]); #endif } Com_InitGrowList(&vboVertexes, 10000); for (i = 0, vertex = vertexes; i < numVertexes; i++, vertex++) { md5Vertex_t *vboVert = Com_Allocate(sizeof(*vboVert)); for (j = 0; j < 3; j++) { vboVert->position[j] = points[vertex->pointIndex].point[j]; } vboVert->texCoords[0] = vertex->st[0]; vboVert->texCoords[1] = vertex->st[1]; // find number of associated weights vboVert->numWeights = 0; for (j = 0, axWeight = axWeights; j < numWeights; j++, axWeight++) { if (axWeight->pointIndex == vertex->pointIndex && axWeight->weight > 0.0f) { vboVert->numWeights++; } } if (vboVert->numWeights > MAX_WEIGHTS) { DeallocAll(); Ren_Drop("R_LoadPSK: vertex %i requires more weights %i than the maximum of %i in model '%s'", i, vboVert->numWeights, MAX_WEIGHTS, modName); //Ren_Warning( "R_LoadPSK: vertex %i requires more weights %i than the maximum of %i in model '%s'\n", i, vboVert->numWeights, MAX_WEIGHTS, modName); } vboVert->weights = ri.Hunk_Alloc(sizeof(*vboVert->weights) * vboVert->numWeights, h_low); for (j = 0, axWeight = axWeights, k = 0; j < numWeights; j++, axWeight++) { if (axWeight->pointIndex == vertex->pointIndex && axWeight->weight > 0.0f) { weight = ri.Hunk_Alloc(sizeof(*weight), h_low); weight->boneIndex = axWeight->boneIndex; weight->boneWeight = axWeight->weight; // FIXME? weight->offset[0] = refBones[axWeight->boneIndex].bone.xSize; weight->offset[1] = refBones[axWeight->boneIndex].bone.ySize; weight->offset[2] = refBones[axWeight->boneIndex].bone.zSize; vboVert->weights[k++] = weight; } } Com_AddToGrowList(&vboVertexes, vboVert); } ClearBounds(md5->bounds[0], md5->bounds[1]); for (i = 0, vertex = vertexes; i < numVertexes; i++, vertex++) { AddPointToBounds(points[vertex->pointIndex].point, md5->bounds[0], md5->bounds[1]); } #if 0 Ren_Print("R_LoadPSK: AABB (%i %i %i) (%i %i %i)\n", ( int ) md5->bounds[0][0], ( int ) md5->bounds[0][1], ( int ) md5->bounds[0][2], ( int ) md5->bounds[1][0], ( int ) md5->bounds[1][1], ( int ) md5->bounds[1][2]); #endif // sort triangles qsort(triangles, numTriangles, sizeof(axTriangle_t), CompareTrianglesByMaterialIndex); Com_InitGrowList(&sortedTriangles, 1000); for (i = 0, triangle = triangles; i < numTriangles; i++, triangle++) { skelTriangle_t *sortTri = Com_Allocate(sizeof(*sortTri)); for (j = 0; j < 3; j++) { sortTri->indexes[j] = triangle->indexes[j]; sortTri->vertexes[j] = Com_GrowListElement(&vboVertexes, triangle->indexes[j]); } sortTri->referenced = qfalse; Com_AddToGrowList(&sortedTriangles, sortTri); } // calc tangent spaces #if 1 { md5Vertex_t *v0, *v1, *v2; const float *p0, *p1, *p2; const float *t0, *t1, *t2; vec3_t tangent = { 0, 0, 0 }; vec3_t binormal; vec3_t normal; for (j = 0; j < vboVertexes.currentElements; j++) { v0 = Com_GrowListElement(&vboVertexes, j); VectorClear(v0->tangent); VectorClear(v0->binormal); VectorClear(v0->normal); } for (j = 0; j < sortedTriangles.currentElements; j++) { skelTriangle_t *tri = Com_GrowListElement(&sortedTriangles, j); v0 = Com_GrowListElement(&vboVertexes, tri->indexes[0]); v1 = Com_GrowListElement(&vboVertexes, tri->indexes[1]); v2 = Com_GrowListElement(&vboVertexes, tri->indexes[2]); p0 = v0->position; p1 = v1->position; p2 = v2->position; t0 = v0->texCoords; t1 = v1->texCoords; t2 = v2->texCoords; #if 1 R_CalcTangentSpace(tangent, binormal, normal, p0, p1, p2, t0, t1, t2); #else R_CalcNormalForTriangle(normal, p0, p1, p2); R_CalcTangentsForTriangle(tangent, binormal, p0, p1, p2, t0, t1, t2); #endif for (k = 0; k < 3; k++) { float *v; v0 = Com_GrowListElement(&vboVertexes, tri->indexes[k]); v = v0->tangent; VectorAdd(v, tangent, v); v = v0->binormal; VectorAdd(v, binormal, v); v = v0->normal; VectorAdd(v, normal, v); } } for (j = 0; j < vboVertexes.currentElements; j++) { v0 = Com_GrowListElement(&vboVertexes, j); VectorNormalize(v0->tangent); VectorNormalize(v0->binormal); VectorNormalize(v0->normal); } } #else { float bb, s, t; vec3_t bary; vec3_t faceNormal; md5Vertex_t *dv[3]; for (j = 0; j < sortedTriangles.currentElements; j++) { skelTriangle_t *tri = Com_GrowListElement(&sortedTriangles, j); dv[0] = Com_GrowListElement(&vboVertexes, tri->indexes[0]); dv[1] = Com_GrowListElement(&vboVertexes, tri->indexes[1]); dv[2] = Com_GrowListElement(&vboVertexes, tri->indexes[2]); R_CalcNormalForTriangle(faceNormal, dv[0]->position, dv[1]->position, dv[2]->position); // calculate barycentric basis for the triangle bb = (dv[1]->texCoords[0] - dv[0]->texCoords[0]) * (dv[2]->texCoords[1] - dv[0]->texCoords[1]) - (dv[2]->texCoords[0] - dv[0]->texCoords[0]) * (dv[1]->texCoords[1] - dv[0]->texCoords[1]); if (fabs(bb) < 0.00000001f) { continue; } // do each vertex for (k = 0; k < 3; k++) { // calculate s tangent vector s = dv[k]->texCoords[0] + 10.0f; t = dv[k]->texCoords[1]; bary[0] = ((dv[1]->texCoords[0] - s) * (dv[2]->texCoords[1] - t) - (dv[2]->texCoords[0] - s) * (dv[1]->texCoords[1] - t)) / bb; bary[1] = ((dv[2]->texCoords[0] - s) * (dv[0]->texCoords[1] - t) - (dv[0]->texCoords[0] - s) * (dv[2]->texCoords[1] - t)) / bb; bary[2] = ((dv[0]->texCoords[0] - s) * (dv[1]->texCoords[1] - t) - (dv[1]->texCoords[0] - s) * (dv[0]->texCoords[1] - t)) / bb; dv[k]->tangent[0] = bary[0] * dv[0]->position[0] + bary[1] * dv[1]->position[0] + bary[2] * dv[2]->position[0]; dv[k]->tangent[1] = bary[0] * dv[0]->position[1] + bary[1] * dv[1]->position[1] + bary[2] * dv[2]->position[1]; dv[k]->tangent[2] = bary[0] * dv[0]->position[2] + bary[1] * dv[1]->position[2] + bary[2] * dv[2]->position[2]; VectorSubtract(dv[k]->tangent, dv[k]->position, dv[k]->tangent); VectorNormalize(dv[k]->tangent); // calculate t tangent vector (binormal) s = dv[k]->texCoords[0]; t = dv[k]->texCoords[1] + 10.0f; bary[0] = ((dv[1]->texCoords[0] - s) * (dv[2]->texCoords[1] - t) - (dv[2]->texCoords[0] - s) * (dv[1]->texCoords[1] - t)) / bb; bary[1] = ((dv[2]->texCoords[0] - s) * (dv[0]->texCoords[1] - t) - (dv[0]->texCoords[0] - s) * (dv[2]->texCoords[1] - t)) / bb; bary[2] = ((dv[0]->texCoords[0] - s) * (dv[1]->texCoords[1] - t) - (dv[1]->texCoords[0] - s) * (dv[0]->texCoords[1] - t)) / bb; dv[k]->binormal[0] = bary[0] * dv[0]->position[0] + bary[1] * dv[1]->position[0] + bary[2] * dv[2]->position[0]; dv[k]->binormal[1] = bary[0] * dv[0]->position[1] + bary[1] * dv[1]->position[1] + bary[2] * dv[2]->position[1]; dv[k]->binormal[2] = bary[0] * dv[0]->position[2] + bary[1] * dv[1]->position[2] + bary[2] * dv[2]->position[2]; VectorSubtract(dv[k]->binormal, dv[k]->position, dv[k]->binormal); VectorNormalize(dv[k]->binormal); // calculate the normal as cross product N=TxB #if 0 CrossProduct(dv[k]->tangent, dv[k]->binormal, dv[k]->normal); VectorNormalize(dv[k]->normal); // Gram-Schmidt orthogonalization process for B // compute the cross product B=NxT to obtain // an orthogonal basis CrossProduct(dv[k]->normal, dv[k]->tangent, dv[k]->binormal); if (DotProduct(dv[k]->normal, faceNormal) < 0) { VectorInverse(dv[k]->normal); //VectorInverse(dv[k]->tangent); //VectorInverse(dv[k]->binormal); } #else VectorAdd(dv[k]->normal, faceNormal, dv[k]->normal); #endif } } #if 1 for (j = 0; j < vboVertexes.currentElements; j++) { dv[0] = Com_GrowListElement(&vboVertexes, j); //VectorNormalize(dv[0]->tangent); //VectorNormalize(dv[0]->binormal); VectorNormalize(dv[0]->normal); } #endif } #endif #if 0 { md5Vertex_t *v0, *v1; // do another extra smoothing for normals to avoid flat shading for (j = 0; j < vboVertexes.currentElements; j++) { v0 = Com_GrowListElement(&vboVertexes, j); for (k = 0; k < vboVertexes.currentElements; k++) { if (j == k) { continue; } v1 = Com_GrowListElement(&vboVertexes, k); if (VectorCompare(v0->position, v1->position)) { VectorAdd(v0->position, v1->normal, v0->normal); } } VectorNormalize(v0->normal); } } #endif // split the surfaces into VBO surfaces by the maximum number of GPU vertex skinning bones Com_InitGrowList(&vboSurfaces, 10); materialIndex = oldMaterialIndex = -1; for (i = 0; i < numTriangles; i++) { triangle = &triangles[i]; materialIndex = triangle->materialIndex; if (materialIndex != oldMaterialIndex) { oldMaterialIndex = materialIndex; numRemaining = sortedTriangles.currentElements - i; while (numRemaining) { numBoneReferences = 0; Com_Memset(boneReferences, 0, sizeof(boneReferences)); Com_InitGrowList(&vboTriangles, 1000); for (j = i; j < sortedTriangles.currentElements; j++) { skelTriangle_t *sortTri; triangle = &triangles[j]; materialIndex = triangle->materialIndex; if (materialIndex != oldMaterialIndex) { continue; } sortTri = Com_GrowListElement(&sortedTriangles, j); if (sortTri->referenced) { continue; } if (AddTriangleToVBOTriangleList(&vboTriangles, sortTri, &numBoneReferences, boneReferences)) { sortTri->referenced = qtrue; } } for (j = 0; j < MAX_BONES; j++) { if (boneReferences[j] > 0) { Ren_Print("R_LoadPSK: referenced bone: '%s'\n", (j < numReferenceBones) ? refBones[j].name : NULL); } } if (!vboTriangles.currentElements) { Ren_Warning("R_LoadPSK: could not add triangles to a remaining VBO surface for model '%s'\n", modName); break; } // FIXME skinIndex AddSurfaceToVBOSurfacesList2(&vboSurfaces, &vboTriangles, &vboVertexes, md5, vboSurfaces.currentElements, materials[oldMaterialIndex].name, numBoneReferences, boneReferences); numRemaining -= vboTriangles.currentElements; Com_DestroyGrowList(&vboTriangles); } } } for (j = 0; j < sortedTriangles.currentElements; j++) { skelTriangle_t *sortTri = Com_GrowListElement(&sortedTriangles, j); Com_Dealloc(sortTri); } Com_DestroyGrowList(&sortedTriangles); for (j = 0; j < vboVertexes.currentElements; j++) { md5Vertex_t *v = Com_GrowListElement(&vboVertexes, j); Com_Dealloc(v); } Com_DestroyGrowList(&vboVertexes); // move VBO surfaces list to hunk md5->numVBOSurfaces = vboSurfaces.currentElements; md5->vboSurfaces = ri.Hunk_Alloc(md5->numVBOSurfaces * sizeof(*md5->vboSurfaces), h_low); for (i = 0; i < md5->numVBOSurfaces; i++) { md5->vboSurfaces[i] = ( srfVBOMD5Mesh_t * ) Com_GrowListElement(&vboSurfaces, i); } Com_DestroyGrowList(&vboSurfaces); FreeMemStream(stream); Com_Dealloc(points); Com_Dealloc(vertexes); Com_Dealloc(triangles); Com_Dealloc(materials); Ren_Developer("%i VBO surfaces created for PSK model '%s'\n", md5->numVBOSurfaces, modName); return qtrue; }
/* ================ CG_AddFragment ================ */ void CG_AddFragment(localEntity_t * le) { vec3_t newOrigin; trace_t trace; if(le->pos.trType == TR_STATIONARY) { // sink into the ground if near the removal time int t; float oldZ; t = le->endTime - cg.time; if(t < SINK_TIME) { // we must use an explicit lighting origin, otherwise the // lighting would be lost as soon as the origin went // into the ground VectorCopy(le->refEntity.origin, le->refEntity.lightingOrigin); le->refEntity.renderfx |= RF_LIGHTING_ORIGIN; oldZ = le->refEntity.origin[2]; le->refEntity.origin[2] -= 16 * (1.0 - (float)t / SINK_TIME); trap_R_AddRefEntityToScene(&le->refEntity); le->refEntity.origin[2] = oldZ; } else { trap_R_AddRefEntityToScene(&le->refEntity); } return; } // calculate new position BG_EvaluateTrajectory(&le->pos, cg.time, newOrigin); // trace a line from previous position to new position CG_Trace(&trace, le->refEntity.origin, NULL, NULL, newOrigin, -1, CONTENTS_SOLID); if(trace.fraction == 1.0) { // still in free fall VectorCopy(newOrigin, le->refEntity.origin); if(le->leFlags & LEF_TUMBLE) { #if 0 vec3_t angles; BG_EvaluateTrajectory(&le->angles, cg.time, angles); AnglesToAxis(angles, le->refEntity.axis); #else // Tr3B - new quaternion code quat_t qrot; // angular rotation for this frame float angle = le->angVel * (cg.time - le->angles.trTime) * 0.001 / 2; // create the rotation quaternion qrot[3] = cos(angle); // real part VectorScale(le->rotAxis, sin(angle), qrot); // imaginary part QuatNormalize(qrot); // create the new orientation QuatMultiply0(le->quatOrient, qrot); // apply the combined previous rotations around other axes QuatMultiply1(le->quatOrient, le->quatRot, qrot); // convert the orientation into the form the renderer wants QuatToAxis(qrot, le->refEntity.axis); le->angles.trTime = cg.time; #endif } trap_R_AddRefEntityToScene(&le->refEntity); // add a blood trail if(le->leBounceSoundType == LEBS_BLOOD) { CG_BloodTrail(le); } return; } // if it is in a nodrop zone, remove it // this keeps gibs from waiting at the bottom of pits of death // and floating levels if(trap_CM_PointContents(trace.endpos, 0) & CONTENTS_NODROP) { CG_FreeLocalEntity(le); return; } // leave a mark CG_FragmentBounceMark(le, &trace); // do a bouncy sound CG_FragmentBounceSound(le, &trace); // reflect the velocity on the trace plane CG_ReflectVelocity(le, &trace); trap_R_AddRefEntityToScene(&le->refEntity); }