void animateArmature(MArmature * armature, MArmatureAnim * armatureAnim, float t)
{
MObject3dAnim * bonesAnim = armatureAnim->getBonesAnim();
MVector3 position;
MVector3 scale;
MQuaternion rotation;
unsigned int b;
unsigned int bSize = armatureAnim->getBonesAnimNumber();
for (b = 0; b < bSize; b++)
{
MOBone * bone = armature->getBone(b);
// position
if(animateVector3(bonesAnim->getPositionKeys(), bonesAnim->getPositionKeysNumber(), t, &position))
bone->setPosition(position);
// scale
if(animateVector3(bonesAnim->getScaleKeys(), bonesAnim->getScaleKeysNumber(), t, &scale))
bone->setScale(scale);
// rotation
if(animateQuaternion(bonesAnim->getRotationKeys(), bonesAnim->getRotationKeysNumber(), t, &rotation))
bone->setRotation(rotation);
bonesAnim++;
}
armature->processBonesLinking();
armature->updateBonesSkinMatrix();
}
void MArmature::updateBonesSkinMatrix(void)
{
M_PROFILE_SCOPE(MArmature::updateBonesSkinMatrix);
unsigned int i;
MOBone * bone = NULL;
for(i=0; i<m_bonesNumber; i++)
{
bone = m_bones[i];
(*bone->getSkinMatrix()) = (*bone->getMatrix()) * (*bone->getInversePoseMatrix());
}
}
MOBone * MArmature::getBoneByName(const char * name)
{
M_PROFILE_SCOPE(MArmature::getBoneByName);
unsigned int i;
for(i=0; i<m_bonesNumber; i++) // scan bones
{
MOBone * bone = getBone(i);
if(strcmp(name, bone->getName()) == 0)
return bone;
}
return NULL;
}
void MArmature::constructBonesInversePoseMatrix(void)
{
M_PROFILE_SCOPE(MArmature::constructBonesInversePoseMatrix);
unsigned int i;
MOBone * bone = NULL;
processBonesLinking();
// construct inverse pose matrix
for(i=0; i<m_bonesNumber; i++)
{
bone = m_bones[i];
(*bone->getInversePoseMatrix()) = bone->getMatrix()->getInverse();
}
}
void MArmature::processBonesLinking(void)
{
M_PROFILE_SCOPE(MArmature::processBonesLinking);
unsigned int i;
MOBone * bone = NULL;
// for all root bones
for(i=0; i<m_bonesNumber; i++)
{
bone = m_bones[i];
if(! bone->hasParent())
{
bone->computeLocalMatrix();
bone->processChildsLinking();
}
}
}
bool MArmature::getBoneId(const char * boneName, unsigned int * bId)
{
M_PROFILE_SCOPE(MArmature::getBoneId);
unsigned int i;
// return if there is no bones
if(m_bonesNumber < 1)
return false;
for(i=0; i<m_bonesNumber; i++)
{
MOBone * iBone = m_bones[i];
if(strcmp(boneName, iBone->getName()) == 0)
{
*bId = i;
return true;
}
}
return false;
}
// Mesh bin export
bool exportMeshBin(const char * filename, MMesh * mesh)
{
int version = 2;
char rep[256];
bool state;
// create file
MFile * file = M_fopen(filename, "wb");
if(! file)
{
printf("Error : can't create file %s\n", filename);
return false;
}
// get file directory
getRepertory(rep, filename);
// header
M_fwrite(M_MESH_HEADER, sizeof(char), 8, file);
// version
M_fwrite(&version, sizeof(int), 1, file);
// Animation
{
// anim refs
MArmatureAnimRef * armatureAnimRef = mesh->getArmatureAnimRef();
MTexturesAnimRef * texturesAnimRef = mesh->getTexturesAnimRef();
MMaterialsAnimRef * materialsAnimRef = mesh->getMaterialsAnimRef();
// armature anim ref
writeDataRef(file, armatureAnimRef, rep);
// textures anim ref
writeDataRef(file, texturesAnimRef, rep);
// materials anim ref
writeDataRef(file, materialsAnimRef, rep);
// anims ranges
unsigned int animsRangesNumber = mesh->getAnimsRangesNumber();
MAnimRange * animsRanges = mesh->getAnimsRanges();
M_fwrite(&animsRangesNumber, sizeof(int), 1, file);
if(animsRangesNumber > 0)
M_fwrite(animsRanges, sizeof(MAnimRange), animsRangesNumber, file);
}
// Textures
{
unsigned int t, texturesNumber = mesh->getTexturesNumber();
M_fwrite(&texturesNumber, sizeof(int), 1, file);
for(t=0; t<texturesNumber; t++)
{
MTexture * texture = mesh->getTexture(t);
MTextureRef * textureRef = texture->getTextureRef();
M_TEX_GEN_MODES genMode = texture->getGenMode();
M_WRAP_MODES UWrapMode = texture->getUWrapMode();
M_WRAP_MODES VWrapMode = texture->getVWrapMode();
MVector2 texTranslate = texture->getTexTranslate();
MVector2 texScale = texture->getTexScale();
float texRotate = texture->getTexRotate();
// texture ref
writeDataRef(file, textureRef, rep);
if(textureRef)
{
bool mipmap = textureRef->isMipmapEnabled();
M_fwrite(&mipmap, sizeof(bool), 1, file);
}
// data
M_fwrite(&genMode, sizeof(M_TEX_GEN_MODES), 1, file);
M_fwrite(&UWrapMode, sizeof(M_WRAP_MODES), 1, file);
M_fwrite(&VWrapMode, sizeof(M_WRAP_MODES), 1, file);
M_fwrite(&texTranslate, sizeof(MVector2), 1, file);
M_fwrite(&texScale, sizeof(MVector2), 1, file);
M_fwrite(&texRotate, sizeof(float), 1, file);
}
}
// Materials
{
unsigned int m, materialsNumber = mesh->getMaterialsNumber();
M_fwrite(&materialsNumber, sizeof(int), 1, file);
for(m=0; m<materialsNumber; m++)
{
MMaterial * material = mesh->getMaterial(m);
int type = material->getType();
float opacity = material->getOpacity();
float shininess = material->getShininess();
float customValue = material->getCustomValue();
M_BLENDING_MODES blendMode = material->getBlendMode();
MVector3 emit = material->getEmit();
MVector3 diffuse = material->getDiffuse();
MVector3 specular = material->getSpecular();
MVector3 customColor = material->getCustomColor();
MFXRef * FXRef = material->getFXRef();
MFXRef * ZFXRef = material->getZFXRef();
// FX ref
state = FXRef != NULL;
M_fwrite(&state, sizeof(bool), 1, file);
if(FXRef)
{
MShaderRef * vertShadRef = FXRef->getVertexShaderRef();
MShaderRef * pixShadRef = FXRef->getPixelShaderRef();
writeDataRef(file, vertShadRef, rep);
writeDataRef(file, pixShadRef, rep);
}
// Z FX ref
state = ZFXRef != NULL;
M_fwrite(&state, sizeof(bool), 1, file);
if(ZFXRef)
{
MShaderRef * vertShadRef = ZFXRef->getVertexShaderRef();
MShaderRef * pixShadRef = ZFXRef->getPixelShaderRef();
writeDataRef(file, vertShadRef, rep);
writeDataRef(file, pixShadRef, rep);
}
// data
M_fwrite(&type, sizeof(int), 1, file);
M_fwrite(&opacity, sizeof(float), 1, file);
M_fwrite(&shininess, sizeof(float), 1, file);
M_fwrite(&customValue, sizeof(float), 1, file);
M_fwrite(&blendMode, sizeof(M_BLENDING_MODES), 1, file);
M_fwrite(&emit, sizeof(MVector3), 1, file);
M_fwrite(&diffuse, sizeof(MVector3), 1, file);
M_fwrite(&specular, sizeof(MVector3), 1, file);
M_fwrite(&customColor, sizeof(MVector3), 1, file);
// textures pass
unsigned int t, texturesPassNumber = material->getTexturesPassNumber();
M_fwrite(&texturesPassNumber, sizeof(int), 1, file);
for(t=0; t<texturesPassNumber; t++)
{
MTexturePass * texturePass = material->getTexturePass(t);
MTexture * texture = texturePass->getTexture();
unsigned int mapChannel = texturePass->getMapChannel();
M_TEX_COMBINE_MODES combineMode = texturePass->getCombineMode();
// texture id
int textureId = getTextureId(mesh, texture);
M_fwrite(&textureId, sizeof(int), 1, file);
// data
M_fwrite(&mapChannel, sizeof(int), 1, file);
M_fwrite(&combineMode, sizeof(M_TEX_COMBINE_MODES), 1, file);
}
}
}
// Bones
{
MArmature * armature = mesh->getArmature();
state = armature != NULL;
M_fwrite(&state, sizeof(bool), 1, file);
if(armature)
{
unsigned int b, bonesNumber = armature->getBonesNumber();
M_fwrite(&bonesNumber, sizeof(int), 1, file);
for(b=0; b<bonesNumber; b++)
{
MOBone * bone = armature->getBone(b);
MObject3d * parent = bone->getParent();
MVector3 position = bone->getPosition();
MVector3 scale = bone->getScale();
MQuaternion rotation = bone->getRotation();
// name
writeString(file, bone->getName());
// parent id
int parentId = -1;
if(parent)
{
unsigned int id;
if(armature->getBoneId(parent->getName(), &id))
parentId = (int)id;
}
M_fwrite(&parentId, sizeof(int), 1, file);
// position / rotation / scale
M_fwrite(&position, sizeof(MVector3), 1, file);
M_fwrite(&rotation, sizeof(MQuaternion), 1, file);
M_fwrite(&scale, sizeof(MVector3), 1, file);
}
}
}
// BoundingBox
{
MBox3d * box = mesh->getBoundingBox();
M_fwrite(box, sizeof(MBox3d), 1, file);
}
// SubMeshs
{
unsigned int s, subMeshsNumber = mesh->getSubMeshsNumber();
MSubMesh * subMeshs = mesh->getSubMeshs();
M_fwrite(&subMeshsNumber, sizeof(int), 1, file);
for(s=0; s<subMeshsNumber; s++)
{
MSubMesh * subMesh = &(subMeshs[s]);
unsigned int indicesSize = subMesh->getIndicesSize();
unsigned int verticesSize = subMesh->getVerticesSize();
unsigned int normalsSize = subMesh->getNormalsSize();
unsigned int tangentsSize = subMesh->getTangentsSize();
unsigned int texCoordsSize = subMesh->getTexCoordsSize();
unsigned int colorsSize = subMesh->getColorsSize();
M_TYPES indicesType = subMesh->getIndicesType();
void * indices = subMesh->getIndices();
MColor * colors = subMesh->getColors();
MVector3 * vertices = subMesh->getVertices();
MVector3 * normals = subMesh->getNormals();
MVector3 * tangents = subMesh->getTangents();
MVector2 * texCoords = subMesh->getTexCoords();
MBox3d * box = subMesh->getBoundingBox();
MSkinData * skin = subMesh->getSkinData();
map<unsigned int, unsigned int> * mapChannelOffsets = subMesh->getMapChannelOffsets();
// BoundingBox
M_fwrite(box, sizeof(MBox3d), 1, file);
// indices
M_fwrite(&indicesSize, sizeof(int), 1, file);
if(indicesSize > 0)
{
// indice type
M_fwrite(&indicesType, sizeof(M_TYPES), 1, file);
switch(indicesType)
{
case M_USHORT:
M_fwrite(indices, sizeof(short), indicesSize, file);
break;
case M_UINT:
M_fwrite(indices, sizeof(int), indicesSize, file);
break;
}
}
// vertices
M_fwrite(&verticesSize, sizeof(int), 1, file);
if(verticesSize > 0)
M_fwrite(vertices, sizeof(MVector3), verticesSize, file);
// normals
M_fwrite(&normalsSize, sizeof(int), 1, file);
if(normalsSize > 0)
M_fwrite(normals, sizeof(MVector3), normalsSize, file);
// tangents
M_fwrite(&tangentsSize, sizeof(int), 1, file);
if(tangentsSize > 0)
M_fwrite(tangents, sizeof(MVector3), tangentsSize, file);
// texCoords
M_fwrite(&texCoordsSize, sizeof(int), 1, file);
if(texCoordsSize > 0)
M_fwrite(texCoords, sizeof(MVector2), texCoordsSize, file);
// colors
M_fwrite(&colorsSize, sizeof(int), 1, file);
if(colorsSize > 0)
M_fwrite(colors, sizeof(MColor), colorsSize, file);
// mapChannels
{
unsigned int size = mapChannelOffsets->size();
M_fwrite(&size, sizeof(int), 1, file);
map<unsigned int, unsigned int>::iterator
mit (mapChannelOffsets->begin()),
mend(mapChannelOffsets->end());
for(;mit!=mend;++mit)
{
M_fwrite(&mit->first, sizeof(int), 1, file);
M_fwrite(&mit->second, sizeof(int), 1, file);
}
}
// Skins
state = skin != NULL;
M_fwrite(&state, sizeof(bool), 1, file);
if(skin)
{
// skin point
unsigned int p, pointsNumber = skin->getPointsNumber();
M_fwrite(&pointsNumber, sizeof(int), 1, file);
for(p=0; p<pointsNumber; p++)
{
MSkinPoint * skinPoint = skin->getPoint(p);
unsigned int vertexId = skinPoint->getVertexId();
unsigned int bonesNumber = skinPoint->getBonesNumber();
unsigned short * bonesIds = skinPoint->getBonesIds();
float * bonesWeights = skinPoint->getBonesWeights();
// data
M_fwrite(&vertexId, sizeof(int), 1, file);
M_fwrite(&bonesNumber, sizeof(int), 1, file);
if(bonesNumber > 0)
{
M_fwrite(bonesIds, sizeof(short), bonesNumber, file);
M_fwrite(bonesWeights, sizeof(float), bonesNumber, file);
}
}
}
// Displays
unsigned int d, displaysNumber = subMesh->getDisplaysNumber();
M_fwrite(&displaysNumber, sizeof(int), 1, file);
for(d=0; d<displaysNumber; d++)
{
MDisplay * display = subMesh->getDisplay(d);
M_PRIMITIVE_TYPES primitiveType = display->getPrimitiveType();
unsigned int begin = display->getBegin();
unsigned int size = display->getSize();
MMaterial * material = display->getMaterial();
M_CULL_MODES cullMode = display->getCullMode();
int materialId = getMaterialId(mesh, material);
// data
M_fwrite(&primitiveType, sizeof(M_PRIMITIVE_TYPES), 1, file);
M_fwrite(&begin, sizeof(int), 1, file);
M_fwrite(&size, sizeof(int), 1, file);
M_fwrite(&materialId, sizeof(int), 1, file);
M_fwrite(&cullMode, sizeof(M_CULL_MODES), 1, file);
}
}
}
M_fclose(file);
return true;
}
// skinning
void computeSkinning (
MArmature * armature, MSkinData * skinData,
const MVector3 * baseVertices, const MVector3 * baseNormals, const MVector3 * baseTangents,
MVector3 * vertices, MVector3 * normals, MVector3 * tangents)
{
MMatrix4x4 matrix;
unsigned int p;
unsigned int pSize = skinData->getPointsNumber();
if(baseTangents && baseNormals)
{
for(p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
const unsigned short * bonesIds = point->getBonesIds();
const float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int b, bSize = point->getBonesNumber();
memset(matrix.entries, 0, sizeof(float)*16);
for(b=0; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
blendMatrices(&matrix, bone->getSkinMatrix(), bonesWeights[b]);
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
tangents[vertexId] = matrix.getRotatedVector3(baseTangents[vertexId]);
}
}
else if(baseNormals)
{
for(p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
const unsigned short * bonesIds = point->getBonesIds();
const float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int b, bSize = point->getBonesNumber();
memset(matrix.entries, 0, sizeof(float)*16);
for(b=0; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
blendMatrices(&matrix, bone->getSkinMatrix(), bonesWeights[b]);
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
}
}
else
{
for(p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
const unsigned short * bonesIds = point->getBonesIds();
const float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int b, bSize = point->getBonesNumber();
memset(matrix.entries, 0, sizeof(float)*16);
for(b=0; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
blendMatrices(&matrix, bone->getSkinMatrix(), bonesWeights[b]);
}
vertices[vertexId] = matrix * baseVertices[vertexId];
}
}
}
bool xmlMeshLoad(const char * filename, void * data)
{
MLOG_DEBUG("xmlMeshLoad " << filename?filename:"NULL");
MLevel * level = MEngine::getInstance()->getLevel();
// read document
TiXmlDocument doc(filename);
if(! doc.LoadFile())
{
MLOG_WARNING("TiXmlDocument load failed : " << doc.ErrorDesc() << " line " << doc.ErrorRow());
return false;
}
TiXmlHandle hDoc(&doc);
TiXmlElement * pRootNode;
TiXmlHandle hRoot(0);
// Maratis
pRootNode = hDoc.FirstChildElement().Element();
if(! pRootNode)
{
MLOG_WARNING("Cannot find any root node");
return false;
}
if(strcmp(pRootNode->Value(), "Maratis") != 0)
{
MLOG_WARNING("Cannot find Maratis root node");
return false;
}
hRoot = TiXmlHandle(pRootNode);
// Mesh
TiXmlElement * pMeshNode = pRootNode->FirstChildElement("Mesh");
if(! pMeshNode)
{
MLOG_WARNING("Cannot find a Mesh node");
return false;
}
// create new mesh
MMesh * mesh = (MMesh *)data;
mesh->clear();
char path[256];
char meshRep[256];
char vertShadPath[256];
char fragShadPath[256];
// mesh rep
getRepertory(meshRep, filename);
// animation
if(! loadAnim(pMeshNode, meshRep, mesh))
{
// load external anim file (depracated)
char animFilename[256];
strcpy(animFilename, filename);
strcpy(animFilename + strlen(animFilename) - 4, "anim");
loadAnimFile(mesh, animFilename, meshRep);
}
// Textures
TiXmlElement * texturesNode = pMeshNode->FirstChildElement("Textures");
if(texturesNode)
{
MLOG_DEBUG("entering Textures node");
unsigned int numTextures = 0;
texturesNode->QueryUIntAttribute("num", &numTextures);
mesh->allocTextures(numTextures);
// Texture
TiXmlElement * textureNode = texturesNode->FirstChildElement("Texture");
for(textureNode; textureNode; textureNode=textureNode->NextSiblingElement("Texture"))
{
const char * file = NULL;
bool mipmap = true;
// image
TiXmlElement * imageNode = textureNode->FirstChildElement("image");
if(imageNode)
{
int value = 1;
file = imageNode->Attribute("filename");
imageNode->QueryIntAttribute("mipmap", &value);
mipmap = (value == 1);
}
if(! file)
{
mesh->addNewTexture(NULL);
continue;
}
// load texture
getGlobalFilename(path, meshRep, file);
MTextureRef * texRef = level->loadTexture(path, mipmap);
MTexture * texture = mesh->addNewTexture(texRef);
// tile
TiXmlElement * tileNode = textureNode->FirstChildElement("tile");
if(tileNode)
{
const char * uTile = tileNode->Attribute("u");
const char * vTile = tileNode->Attribute("v");
if(uTile){
if(strcmp(uTile, "clamp") == 0)
texture->setUWrapMode(M_WRAP_CLAMP);
else
texture->setUWrapMode(M_WRAP_REPEAT);
}
if(vTile){
if(strcmp(vTile, "clamp") == 0)
texture->setVWrapMode(M_WRAP_CLAMP);
else
texture->setVWrapMode(M_WRAP_REPEAT);
}
}
// translate
TiXmlElement * translateNode = textureNode->FirstChildElement("translate");
if(translateNode)
{
MVector2 translate = texture->getTexTranslate();
translateNode->QueryFloatAttribute("x", &translate.x);
translateNode->QueryFloatAttribute("y", &translate.y);
texture->setTexTranslate(translate);
}
// scale
TiXmlElement * scaleNode = textureNode->FirstChildElement("scale");
if(scaleNode)
{
MVector2 scale = texture->getTexScale();
scaleNode->QueryFloatAttribute("x", &scale.x);
scaleNode->QueryFloatAttribute("y", &scale.y);
texture->setTexScale(scale);
}
// rotate
TiXmlElement * rotateNode = textureNode->FirstChildElement("rotate");
if(rotateNode)
{
float angle = 0;
rotateNode->QueryFloatAttribute("angle", &angle);
texture->setTexRotate(angle);
}
}
}
// Materials
TiXmlElement * materialsNode = pMeshNode->FirstChildElement("Materials");
if(materialsNode)
{
MLOG_DEBUG("entering Materials node");
unsigned int numMaterials = 0;
materialsNode->QueryUIntAttribute("num", &numMaterials);
mesh->allocMaterials(numMaterials);
// Material
TiXmlElement * materialNode = materialsNode->FirstChildElement("Material");
for(materialNode; materialNode; materialNode=materialNode->NextSiblingElement("Material"))
{
MMaterial * material = mesh->addNewMaterial();
int type = 0;
materialNode->QueryIntAttribute("type", &type);
material->setType(type);
float opacity=1, shininess=0, customValue=0;
MVector3 diffuseColor;
MVector3 specularColor;
MVector3 emitColor;
MVector3 customColor;
// blend
int blendType = 0;
TiXmlElement * blendNode = materialNode->FirstChildElement("blend");
if(blendNode)
blendNode->QueryIntAttribute("type", &blendType);
switch(blendType)
{
case 2:
material->setBlendMode(M_BLENDING_ALPHA);
break;
case 3:
material->setBlendMode(M_BLENDING_ADD);
break;
case 4:
material->setBlendMode(M_BLENDING_PRODUCT);
break;
}
// opacity
TiXmlElement * opacityNode = materialNode->FirstChildElement("opacity");
if(opacityNode)
opacityNode->QueryFloatAttribute("value", &opacity);
// shininess
TiXmlElement * shininessNode = materialNode->FirstChildElement("shininess");
if(shininessNode)
shininessNode->QueryFloatAttribute("value", &shininess);
// customValue
TiXmlElement * customValueNode = materialNode->FirstChildElement("customValue");
if(customValueNode)
customValueNode->QueryFloatAttribute("value", &customValue);
material->setOpacity(opacity);
material->setShininess(shininess);
material->setCustomValue(customValue);
// diffuseColor
TiXmlElement * diffuseColorNode = materialNode->FirstChildElement("diffuseColor");
if(diffuseColorNode){
diffuseColorNode->QueryFloatAttribute("r", &diffuseColor.x);
diffuseColorNode->QueryFloatAttribute("g", &diffuseColor.y);
diffuseColorNode->QueryFloatAttribute("b", &diffuseColor.z);
material->setDiffuse(diffuseColor);
}
// specularColor
TiXmlElement * specularColorNode = materialNode->FirstChildElement("specularColor");
if(specularColorNode){
specularColorNode->QueryFloatAttribute("r", &specularColor.x);
specularColorNode->QueryFloatAttribute("g", &specularColor.y);
specularColorNode->QueryFloatAttribute("b", &specularColor.z);
material->setSpecular(specularColor);
}
// emitColor
TiXmlElement * emitColorNode = materialNode->FirstChildElement("emitColor");
if(emitColorNode){
emitColorNode->QueryFloatAttribute("r", &emitColor.x);
emitColorNode->QueryFloatAttribute("g", &emitColor.y);
emitColorNode->QueryFloatAttribute("b", &emitColor.z);
material->setEmit(emitColor);
}
// customColor
TiXmlElement * customColorNode = materialNode->FirstChildElement("customColor");
if(customColorNode){
customColorNode->QueryFloatAttribute("r", &customColor.x);
customColorNode->QueryFloatAttribute("g", &customColor.y);
customColorNode->QueryFloatAttribute("b", &customColor.z);
material->setCustomColor(customColor);
}
// TexturesPass
TiXmlElement * texturesPassNode = materialNode->FirstChildElement("TexturesPass");
if(texturesPassNode)
{
unsigned int numTexturesPass = 0;
texturesPassNode->QueryUIntAttribute("num", &numTexturesPass);
material->allocTexturesPass(numTexturesPass);
// texturePass
TiXmlElement * texturePassNode = texturesPassNode->FirstChildElement("texturePass");
for(texturePassNode; texturePassNode; texturePassNode=texturePassNode->NextSiblingElement("texturePass"))
{
int textureId = -1;
unsigned int mapChannel = 0;
const char * mode = texturePassNode->Attribute("mode");
texturePassNode->QueryIntAttribute("texture", &textureId);
if(textureId < 0)
{
material->addTexturePass(NULL, M_TEX_COMBINE_MODULATE, 0);
continue;
}
texturePassNode->QueryUIntAttribute("mapChannel", &mapChannel);
// combine mode
M_TEX_COMBINE_MODES texCombine = M_TEX_COMBINE_MODULATE;
if(strcmp(mode, "modulate") == 0)
texCombine = M_TEX_COMBINE_MODULATE;
else if(strcmp(mode, "replace") == 0)
texCombine = M_TEX_COMBINE_REPLACE;
else if(strcmp(mode, "alpha") == 0)
texCombine = M_TEX_COMBINE_ALPHA;
else if(strcmp(mode, "dot") == 0)
texCombine = M_TEX_COMBINE_DOT;
else if(strcmp(mode, "add") == 0)
texCombine = M_TEX_COMBINE_ADD;
else if(strcmp(mode, "sub") == 0)
texCombine = M_TEX_COMBINE_SUB;
// add texture pass
material->addTexturePass(mesh->getTexture(textureId), texCombine, mapChannel);
}
}
// FX
{
// vertexShader
const char * vertShadFile = NULL;
TiXmlElement * vertexShaderNode = materialNode->FirstChildElement("vertexShader");
if(vertexShaderNode){
vertShadFile = vertexShaderNode->Attribute("file");
}
// fragmentShader
const char * fragShadFile = NULL;
TiXmlElement * fragmentShaderNode = materialNode->FirstChildElement("fragmentShader");
if(fragmentShaderNode){
fragShadFile = fragmentShaderNode->Attribute("file");
}
// create FX
if(vertShadFile && fragShadFile)
{
getGlobalFilename(vertShadPath, meshRep, vertShadFile);
getGlobalFilename(fragShadPath, meshRep, fragShadFile);
MShaderRef * vertShad = level->loadShader(vertShadPath, M_SHADER_VERTEX);
MShaderRef * pixShad = level->loadShader(fragShadPath, M_SHADER_PIXEL);
if(vertShad && pixShad)
{
MFXRef * FXRef = level->createFX(vertShad, pixShad);
material->setFXRef(FXRef);
}
}
}
// ZFX (optional optim)
{
// ZVertexShader
const char * vertShadFile = NULL;
TiXmlElement * vertexShaderNode = materialNode->FirstChildElement("ZVertexShader");
if(vertexShaderNode){
vertShadFile = vertexShaderNode->Attribute("file");
}
// ZFragmentShader
const char * fragShadFile = NULL;
TiXmlElement * fragmentShaderNode = materialNode->FirstChildElement("ZFragmentShader");
if(fragmentShaderNode){
fragShadFile = fragmentShaderNode->Attribute("file");
}
// create ZFX
if(vertShadFile && fragShadFile)
{
getGlobalFilename(vertShadPath, meshRep, vertShadFile);
getGlobalFilename(fragShadPath, meshRep, fragShadFile);
MShaderRef * vertShad = level->loadShader(vertShadPath, M_SHADER_VERTEX);
MShaderRef * pixShad = level->loadShader(fragShadPath, M_SHADER_PIXEL);
if(vertShad && pixShad)
{
MFXRef * ZFXRef = level->createFX(vertShad, pixShad);
material->setZFXRef(ZFXRef);
}
}
}
}
}
// Bones
TiXmlElement * bonesNode = pMeshNode->FirstChildElement("Bones");
if(bonesNode)
{
MLOG_DEBUG("entering Bones node");
MArmature * armature = mesh->createArmature();
unsigned int b, numBones = 0;
bonesNode->QueryUIntAttribute("num", &numBones);
armature->allocBones(numBones);
// add bones
for(b=0; b<numBones; b++)
armature->addNewBone();
b = 0;
// Bone
TiXmlElement * boneNode = bonesNode->FirstChildElement("Bone");
for(boneNode; boneNode; boneNode=boneNode->NextSiblingElement("Bone"))
{
if(b >= armature->getBonesNumber())
break;
MOBone * bone = armature->getBone(b);
const char * name = boneNode->Attribute("name");
if(name)
bone->setName(name);
// parent
TiXmlElement * parentNode = boneNode->FirstChildElement("parent");
if(parentNode){
unsigned int boneId = 0;
parentNode->QueryUIntAttribute("id", &boneId);
bone->linkTo(armature->getBone(boneId));
}
// position
TiXmlElement * positionNode = boneNode->FirstChildElement("position");
if(positionNode){
MVector3 position;
positionNode->QueryFloatAttribute("x", &position.x);
positionNode->QueryFloatAttribute("y", &position.y);
positionNode->QueryFloatAttribute("z", &position.z);
bone->setPosition(position);
}
// rotation
TiXmlElement * rotationNode = boneNode->FirstChildElement("rotation");
if(rotationNode){
MVector3 euler;
rotationNode->QueryFloatAttribute("x", &euler.x);
rotationNode->QueryFloatAttribute("y", &euler.y);
rotationNode->QueryFloatAttribute("z", &euler.z);
bone->setEulerRotation(euler);
}
// scale
TiXmlElement * scaleNode = boneNode->FirstChildElement("scale");
if(scaleNode){
MVector3 scale;
scaleNode->QueryFloatAttribute("x", &scale.x);
scaleNode->QueryFloatAttribute("y", &scale.y);
scaleNode->QueryFloatAttribute("z", &scale.z);
bone->setScale(scale);
}
b++;
}
// construct bones inverse pose matrix
armature->constructBonesInversePoseMatrix();
}
// SubMeshs
TiXmlElement * subMeshsNode = pMeshNode->FirstChildElement("SubMeshs");
if(! subMeshsNode)
return true;
unsigned int numSubMeshs = 0;
subMeshsNode->QueryUIntAttribute("num", &numSubMeshs);
if(numSubMeshs == 0)
return true;
// alloc subMeshs
MSubMesh * subMeshs = mesh->allocSubMeshs(numSubMeshs);
// BoundingBox
TiXmlElement * boundingBoxNode = pMeshNode->FirstChildElement("BoundingBox");
if(boundingBoxNode)
{
MVector3 * min = &mesh->getBoundingBox()->min;
MVector3 * max = &mesh->getBoundingBox()->max;
boundingBoxNode->QueryFloatAttribute("minx", &min->x);
boundingBoxNode->QueryFloatAttribute("miny", &min->y);
boundingBoxNode->QueryFloatAttribute("minz", &min->z);
boundingBoxNode->QueryFloatAttribute("maxx", &max->x);
boundingBoxNode->QueryFloatAttribute("maxy", &max->y);
boundingBoxNode->QueryFloatAttribute("maxz", &max->z);
}
// SubMesh
TiXmlElement * SubMeshNode = subMeshsNode->FirstChildElement("SubMesh");
for(SubMeshNode; SubMeshNode; SubMeshNode=SubMeshNode->NextSiblingElement("SubMesh"))
{
MSubMesh * subMesh = subMeshs;
// BoundingBox
boundingBoxNode = SubMeshNode->FirstChildElement("BoundingBox");
if(boundingBoxNode)
{
MVector3 * min = &subMesh->getBoundingBox()->min;
MVector3 * max = &subMesh->getBoundingBox()->max;
boundingBoxNode->QueryFloatAttribute("minx", &min->x);
boundingBoxNode->QueryFloatAttribute("miny", &min->y);
boundingBoxNode->QueryFloatAttribute("minz", &min->z);
boundingBoxNode->QueryFloatAttribute("maxx", &max->x);
boundingBoxNode->QueryFloatAttribute("maxy", &max->y);
boundingBoxNode->QueryFloatAttribute("maxz", &max->z);
}
// Vertices
TiXmlElement * verticesNode = SubMeshNode->FirstChildElement("Vertices");
if(verticesNode)
{
unsigned int numVertices = 0;
verticesNode->QueryUIntAttribute("num", &numVertices);
MVector3 * vertices = subMesh->allocVertices(numVertices);
// vertex
TiXmlElement * vertexNode = verticesNode->FirstChildElement("vertex");
for(vertexNode; vertexNode; vertexNode=vertexNode->NextSiblingElement("vertex"))
{
vertexNode->QueryFloatAttribute("x", &vertices->x);
vertexNode->QueryFloatAttribute("y", &vertices->y);
vertexNode->QueryFloatAttribute("z", &vertices->z);
vertices++;
}
}
// Normals
TiXmlElement * normalsNode = SubMeshNode->FirstChildElement("Normals");
if(normalsNode)
{
unsigned int numNormals = 0;
normalsNode->QueryUIntAttribute("num", &numNormals);
MVector3 * normals = subMesh->allocNormals(numNormals);
// normal
TiXmlElement * normalNode = normalsNode->FirstChildElement("normal");
for(normalNode; normalNode; normalNode=normalNode->NextSiblingElement("normal"))
{
normalNode->QueryFloatAttribute("x", &normals->x);
normalNode->QueryFloatAttribute("y", &normals->y);
normalNode->QueryFloatAttribute("z", &normals->z);
normals->normalize();
normals++;
}
}
// Tangents
TiXmlElement * tangentsNode = SubMeshNode->FirstChildElement("Tangents");
if(tangentsNode)
{
unsigned int numTangents = 0;
tangentsNode->QueryUIntAttribute("num", &numTangents);
MVector3 * tangents = subMesh->allocTangents(numTangents);
// tangent
TiXmlElement * tangentNode = tangentsNode->FirstChildElement("tangent");
for(tangentNode; tangentNode; tangentNode=tangentNode->NextSiblingElement("tangent"))
{
tangentNode->QueryFloatAttribute("x", &tangents->x);
tangentNode->QueryFloatAttribute("y", &tangents->y);
tangentNode->QueryFloatAttribute("z", &tangents->z);
tangents->normalize();
tangents++;
}
}
// TexCoords
TiXmlElement * texCoordsNode = SubMeshNode->FirstChildElement("TexCoords");
if(texCoordsNode)
{
// num
unsigned int numTexCoords = 0;
texCoordsNode->QueryUIntAttribute("num", &numTexCoords);
MVector2 * texCoords = subMesh->allocTexCoords(numTexCoords);
// mapChannels
unsigned int numVertices = subMesh->getVerticesSize();
const char * mapChannelsData = texCoordsNode->Attribute("mapChannels");
// read channels
if(mapChannelsData)
{
char str[256];
strcpy(str, mapChannelsData);
char * pch;
unsigned int offset = 0;
pch = strtok(str, " ");
while(pch != NULL)
{
unsigned int channel = 0;
sscanf(pch, "%d", &channel);
subMesh->setMapChannelOffset(channel, offset);
pch = strtok(NULL, " ");
offset += numVertices;
}
}
// create default channels
else if((numVertices > 0) && (numTexCoords > numVertices))
{
unsigned int numChannels = numTexCoords / numVertices;
for(unsigned int c=0; c<numChannels; c++)
subMesh->setMapChannelOffset(c, numVertices*c);
}
// texCoord
TiXmlElement * texCoordNode = texCoordsNode->FirstChildElement("texCoord");
for(texCoordNode; texCoordNode; texCoordNode=texCoordNode->NextSiblingElement("texCoord"))
{
texCoordNode->QueryFloatAttribute("x", &texCoords->x);
texCoordNode->QueryFloatAttribute("y", &texCoords->y);
texCoords++;
}
}
// Colors
TiXmlElement * colorsNode = SubMeshNode->FirstChildElement("Colors");
if(colorsNode)
{
unsigned int numColors = 0;
colorsNode->QueryUIntAttribute("num", &numColors);
MColor * colors = subMesh->allocColors(numColors);
// color
TiXmlElement * colorNode = colorsNode->FirstChildElement("color");
for(colorNode; colorNode; colorNode=colorNode->NextSiblingElement("color"))
{
float x = 1, y = 1, z = 1, w = 1;
colorNode->QueryFloatAttribute("x", &x);
colorNode->QueryFloatAttribute("y", &y);
colorNode->QueryFloatAttribute("z", &z);
colorNode->QueryFloatAttribute("w", &w);
colors->r = (unsigned char)x*255;
colors->g = (unsigned char)y*255;
colors->b = (unsigned char)z*255;
colors->a = (unsigned char)w*255;;
colors++;
}
}
// Indices
TiXmlElement * indicesNode = SubMeshNode->FirstChildElement("Indices");
if(indicesNode)
{
M_TYPES indicesType;
unsigned int vSize = subMesh->getVerticesSize();
if(vSize < 65536){
indicesType = M_USHORT;
}
else{
indicesType = M_UINT;
}
unsigned int numIndices = 0;
indicesNode->QueryUIntAttribute("num", &numIndices);
subMesh->allocIndices(numIndices, indicesType);
// indices
TiXmlElement * indexNode = indicesNode->FirstChildElement("index");
switch(indicesType)
{
case M_USHORT:
{
unsigned short * indices = (unsigned short *)subMesh->getIndices();
for(indexNode; indexNode; indexNode=indexNode->NextSiblingElement("index"))
{
unsigned int id;
indexNode->QueryUIntAttribute("value", &id);
*indices = (unsigned short)id;
indices++;
}
}
break;
case M_UINT:
{
unsigned int * indices = (unsigned int *)subMesh->getIndices();
for(indexNode; indexNode; indexNode=indexNode->NextSiblingElement("index"))
{
indexNode->QueryUIntAttribute("value", indices);
indices++;
}
}
break;
}
}
// Skins
TiXmlElement * skinsNode = SubMeshNode->FirstChildElement("Skins");
if(skinsNode)
{
MSkinData * skinData = subMesh->createSkinData();
unsigned int numSkins = 0;
skinsNode->QueryUIntAttribute("num", &numSkins);
MSkinPoint * skinPoints = skinData->allocPoints(numSkins);
// skin
TiXmlElement * skinNode = skinsNode->FirstChildElement("skin");
for(skinNode; skinNode; skinNode=skinNode->NextSiblingElement("skin"))
{
unsigned int vertexId = 0;
unsigned int numBones = 0;
skinNode->QueryUIntAttribute("vertex", &vertexId);
skinNode->QueryUIntAttribute("numBones", &numBones);
if(numBones > 0)
{
skinPoints->setVertexId(vertexId);
skinPoints->allocateBonesLinks(numBones);
unsigned short * bonesIds = skinPoints->getBonesIds();
float * bonesWeights = skinPoints->getBonesWeights();
TiXmlElement * boneNode = skinNode->FirstChildElement("bone");
for(boneNode; boneNode; boneNode=boneNode->NextSiblingElement("bone"))
{
unsigned int id;
boneNode->QueryUIntAttribute("id", &id);
boneNode->QueryFloatAttribute("weight", bonesWeights);
*bonesIds = id;
bonesIds++;
bonesWeights++;
}
}
skinPoints++;
}
}
// Displays
TiXmlElement * displaysNode = SubMeshNode->FirstChildElement("Displays");
if(displaysNode)
{
unsigned int numDisplays = 0;
displaysNode->QueryUIntAttribute("num", &numDisplays);
subMesh->allocDisplays(numDisplays);
// display
TiXmlElement * displayNode = displaysNode->FirstChildElement("display");
for(displayNode; displayNode; displayNode=displayNode->NextSiblingElement("display"))
{
unsigned int begin, size, material, cullFace = 0;
displayNode->QueryUIntAttribute("begin", &begin);
displayNode->QueryUIntAttribute("size", &size);
displayNode->QueryUIntAttribute("material", &material);
displayNode->QueryUIntAttribute("cullFace", &cullFace);
// create display
MDisplay * display = subMesh->addNewDisplay(M_PRIMITIVE_TRIANGLES, begin, size);
// set material
if(material < mesh->getMaterialsNumber())
display->setMaterial(mesh->getMaterial(material));
// set cull mode
M_CULL_MODES cullMode = M_CULL_BACK;
if(cullFace == 1)
cullMode = M_CULL_FRONT;
else if(cullFace == 2)
cullMode = M_CULL_NONE;
display->setCullMode(cullMode);
}
}
// generate tangents if needed
if(! subMesh->getTangents())
generateTangents(subMesh);
subMeshs++;
}
MLOG_DEBUG("xmlMeshLoad success: "<<numSubMeshs<<" submeshs found");
return true;
}
void computeSkinning(MArmature * armature, MSkinData * skinData, const MVector3 * baseVertices, const MVector3 * baseNormals, const MVector3 * baseTangents, MVector3 * vertices, MVector3 * normals, MVector3 * tangents)
{
M_PROFILE_SCOPE(computeSkinning);
unsigned int p;
unsigned int pSize = skinData->getPointsNumber();
if (baseTangents && baseNormals)
{
for (p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
unsigned short * bonesIds = point->getBonesIds();
float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int bSize = point->getBonesNumber();
if (bSize > 1) // weighted skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
MMatrix4x4 matrix((*bone->getSkinMatrix()) * bonesWeights[0]);
unsigned int b;
for(b=1; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
matrix += (*bone->getSkinMatrix()) * bonesWeights[b];
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
tangents[vertexId] = matrix.getRotatedVector3(baseTangents[vertexId]);
}
else if (bSize == 1) // simple skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
vertices[vertexId] = (*bone->getSkinMatrix()) * baseVertices[vertexId];
normals[vertexId] = bone->getSkinMatrix()->getRotatedVector3(baseNormals[vertexId]);
tangents[vertexId] = bone->getSkinMatrix()->getRotatedVector3(baseTangents[vertexId]);
}
}
}
else if (baseNormals)
{
for (p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
unsigned short * bonesIds = point->getBonesIds();
float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int bSize = point->getBonesNumber();
if (bSize > 1) // weighted skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
MMatrix4x4 matrix((*bone->getSkinMatrix()) * bonesWeights[0]);
unsigned int b;
for(b=1; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
matrix += (*bone->getSkinMatrix()) * bonesWeights[b];
}
vertices[vertexId] = matrix * baseVertices[vertexId];
normals[vertexId] = matrix.getRotatedVector3(baseNormals[vertexId]);
}
else if (bSize == 1) // simple skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
vertices[vertexId] = (*bone->getSkinMatrix()) * baseVertices[vertexId];
normals[vertexId] = bone->getSkinMatrix()->getRotatedVector3(baseNormals[vertexId]);
}
}
}
else
{
for (p = 0; p < pSize; p++)
{
MSkinPoint * point = skinData->getPoint(p);
unsigned short * bonesIds = point->getBonesIds();
float * bonesWeights = point->getBonesWeights();
unsigned int vertexId = point->getVertexId();
unsigned int bSize = point->getBonesNumber();
if (bSize > 1) // weighted skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
MMatrix4x4 matrix((*bone->getSkinMatrix()) * bonesWeights[0]);
unsigned int b;
for(b=1; b<bSize; b++)
{
MOBone * bone = armature->getBone(bonesIds[b]);
matrix += (*bone->getSkinMatrix()) * bonesWeights[b];
}
vertices[vertexId] = matrix * baseVertices[vertexId];
}
else if (bSize == 1) // simple skin
{
MOBone * bone = armature->getBone(bonesIds[0]);
vertices[vertexId] = (*bone->getSkinMatrix()) * baseVertices[vertexId];
}
}
}
}