// // KRResource+fbx.cpp // KREngine // // Created by Kearwood Gilbert on 12-03-22. // Copyright (c) 2012 Kearwood Software. All rights reserved. // #include "KREngine-common.h" #include #include #include #include "KRResource.h" #include "KRMesh.h" #include "KRMaterial.h" #include "KRLight.h" #include "KRPointLight.h" #include "KRDirectionalLight.h" #include "KRSpotLight.h" #include "KRNode.h" #include "KRScene.h" #include "KRQuaternion.h" #include "KRBone.h" #include "KRBundle.h" #include "KRModel.h" #include "KRLODGroup.h" #include "KRCollider.h" #ifdef IOS_REF #undef IOS_REF #define IOS_REF (*(pSdkManager->GetIOSettings())) #endif void InitializeSdkObjects(KFbxSdkManager*& pSdkManager, KFbxScene*& pScene); void DestroySdkObjects(KFbxSdkManager* pSdkManager); bool LoadScene(KFbxSdkManager* pSdkManager, KFbxDocument* pScene, const char* pFilename); KRAnimation *LoadAnimation(KRContext &context, FbxAnimStack* pAnimStack); KRAnimationCurve *LoadAnimationCurve(KRContext &context, FbxAnimCurve* pAnimCurve); KRAnimationLayer *LoadAnimationLayer(KRContext &context, FbxAnimLayer *pAnimLayer); void LoadNode(KFbxScene* pFbxScene, KRNode *parent_node, std::vector &resources, FbxGeometryConverter *pGeometryConverter, KFbxNode* pNode); //void BakeNode(KFbxNode* pNode); void LoadMaterial(KRContext &context, std::vector &resources, FbxSurfaceMaterial *pMaterial); void LoadMesh(KRContext &context, std::vector &resources, FbxGeometryConverter *pGeometryConverter, KFbxMesh* pSourceMesh); KRNode *LoadMesh(KRNode *parent_node, std::vector &resources, FbxGeometryConverter *pGeometryConverter, KFbxNode* pNode); KRNode *LoadLight(KRNode *parent_node, std::vector &resources, KFbxNode* pNode); KRNode *LoadSkeleton(KRNode *parent_node, std::vector &resources, KFbxNode* pNode); KRNode *LoadCamera(KRNode *parent_node, std::vector &resources, KFbxNode* pNode); void LoadLOD(KRContext &context, std::vector &resources, FbxGeometryConverter *pGeometryConverter, FbxLODGroup* pSourceLodGroup); std::string GetFbxObjectName(FbxObject *obj); const float KRAKEN_FBX_ANIMATION_FRAMERATE = 30.0f; // FINDME - This should be configurable std::string GetFbxObjectName(FbxObject *obj) { // Object names from FBX files are now concatenated with the FBX numerical ID to ensure that they are unique // TODO - This should be updated to only add a prefix or suffix if needed to make the name unique std::stringstream st; st << "fbx_"; st << obj->GetUniqueID(); if(strlen(obj->GetName()) != 0) { st << "_"; st << obj->GetName(); } return st.str(); } std::vector KRResource::LoadFbx(KRContext &context, const std::string& path) { std::vector resources; KRScene *pScene = new KRScene(context, KRResource::GetFileBase(path)); resources.push_back(pScene); KFbxSdkManager* lSdkManager = NULL; KFbxScene* pFbxScene = NULL; bool lResult; FbxGeometryConverter *pGeometryConverter = NULL; // Prepare the FBX SDK. InitializeSdkObjects(lSdkManager, pFbxScene); // Initialize Geometry Converter pGeometryConverter = new FbxGeometryConverter(lSdkManager); // Load the scene. lResult = LoadScene(lSdkManager, pFbxScene, path.c_str()); // ----====---- Bake pivots into transforms, as Kraken doesn't support them directly ----====---- printf("Baking pivots...\n"); KFbxNode* pNode = pFbxScene->GetRootNode(); if(pNode) { pNode->ResetPivotSetAndConvertAnimation(); } // ----====---- Import Scene Graph Nodes ----====---- printf("\nLoading scene graph...\n"); if(pNode) { for(int i = 0; i < pNode->GetChildCount(); i++) { LoadNode(pFbxScene, pScene->getRootNode(), resources, pGeometryConverter, pNode->GetChild(i)); } } // ----====---- Import Animation Layers ----====---- printf("\nLoading animations...\n"); int animation_count = pFbxScene->GetSrcObjectCount(); for(int i = 0; i < animation_count; i++) { FbxAnimStack *animation = pFbxScene->GetSrcObject(i); printf(" Animation %i of %i: %s\n", i+1, animation_count, animation->GetName()); KRAnimation *new_animation = LoadAnimation(context, animation); if(new_animation) { context.getAnimationManager()->addAnimation(new_animation); resources.push_back(new_animation); } } // ----====---- Import Animation Curves ----====---- printf("\nLoading animation curves...\n"); int curve_count = pFbxScene->GetSrcObjectCount(); for(int i=0; i < curve_count; i++) { FbxAnimCurve *curve = pFbxScene->GetSrcObject(i); printf(" Animation Curve %i of %i: %s\n", i+1, curve_count, curve->GetName()); KRAnimationCurve *new_curve = LoadAnimationCurve(context, curve); if(new_curve) { context.getAnimationCurveManager()->addAnimationCurve(new_curve); resources.push_back(new_curve); } } // ----====---- Import Meshes ----====---- int mesh_count = pFbxScene->GetSrcObjectCount(); printf("\nLoading meshes...\n"); for(int i=0; i < mesh_count; i++) { FbxMesh *mesh = pFbxScene->GetSrcObject(i); printf(" Mesh %i of %i: %s\n", i+1, mesh_count, mesh->GetNode()->GetName()); LoadMesh(context, resources, pGeometryConverter, mesh); } // ----====---- Import Materials ----====---- int material_count = pFbxScene->GetSrcObjectCount(); printf("\nLoading materials...\n"); for(int i=0; i < material_count; i++) { FbxSurfaceMaterial *material = pFbxScene->GetSrcObject(i); printf(" Material %i of %i: %s\n", i+1, material_count, material->GetName()); LoadMaterial(context, resources, material); } // ----====---- Import Textures ----====---- int texture_count = pFbxScene->GetSrcObjectCount(); printf("\nLoading textures...\n"); for(int i=0; i < texture_count; i++) { FbxFileTexture *texture = pFbxScene->GetSrcObject(i); const char *file_name = texture->GetFileName(); printf(" Texture %i of %i: %s\n", i+1, texture_count, (KRResource::GetFileBase(file_name) + "." + KRResource::GetFileExtension(file_name)).c_str()); context.loadResource(file_name); } for(std::map::iterator texture_itr = context.getTextureManager()->getTextures().begin(); texture_itr != context.getTextureManager()->getTextures().end(); texture_itr++) { resources.push_back((*texture_itr).second); } DestroySdkObjects(lSdkManager); // Compress textures to PVR format context.getTextureManager()->compress(); // TODO, HACK, FINDME - This should be configurable and exposed through the World Builder GUI std::string base_name = KRResource::GetFileBase(path); std::vector output_resources; // KRBundle *main_bundle = new KRBundle(context, base_name); KRBundle *texture_bundle = new KRBundle(context, base_name + "_textures"); KRBundle *animation_bundle = new KRBundle(context, base_name + "_animations"); KRBundle *material_bundle = new KRBundle(context, base_name + "_materials"); KRBundle *meshes_bundle = new KRBundle(context, base_name + "_meshes"); for(std::vector::iterator resource_itr=resources.begin(); resource_itr != resources.end(); resource_itr++) { KRResource *resource = *resource_itr; if(dynamic_cast(resource) != NULL) { texture_bundle->append(*resource); } else if(dynamic_cast(resource) != NULL) { animation_bundle->append(*resource); } else if(dynamic_cast(resource) != NULL) { animation_bundle->append(*resource); } else if(dynamic_cast(resource) != NULL) { material_bundle->append(*resource); } else if(dynamic_cast(resource) != NULL) { meshes_bundle->append(*resource); } else { output_resources.push_back(resource); // main_bundle->append(*resource); } } output_resources.push_back(texture_bundle); output_resources.push_back(animation_bundle); output_resources.push_back(material_bundle); output_resources.push_back(meshes_bundle); // main_bundle->append(texture_bundle); // main_bundle->append(animation_bundle); // main_bundle->append(material_bundle); // main_bundle->append(meshes_bundle); // output_resources.push_back(main_bundle); return output_resources; } void InitializeSdkObjects(KFbxSdkManager*& pSdkManager, KFbxScene*& pScene) { // The first thing to do is to create the FBX SDK manager which is the // object allocator for almost all the classes in the SDK. pSdkManager = KFbxSdkManager::Create(); if (!pSdkManager) { printf("Unable to create the FBX SDK manager\n"); exit(0); } // create an IOSettings object KFbxIOSettings * ios = KFbxIOSettings::Create(pSdkManager, IOSROOT ); pSdkManager->SetIOSettings(ios); // Load plugins from the executable directory KString lPath = FbxGetApplicationDirectory(); #if defined(KARCH_ENV_WIN) KString lExtension = "dll"; #elif defined(KARCH_ENV_MACOSX) KString lExtension = "dylib"; #elif defined(KARCH_ENV_LINUX) KString lExtension = "so"; #endif pSdkManager->LoadPluginsDirectory(lPath.Buffer(), lExtension.Buffer()); // Create the entity that will hold the scene. pScene = KFbxScene::Create(pSdkManager,""); } void DestroySdkObjects(KFbxSdkManager* pSdkManager) { // Delete the FBX SDK manager. All the objects that have been allocated // using the FBX SDK manager and that haven't been explicitly destroyed // are automatically destroyed at the same time. if (pSdkManager) pSdkManager->Destroy(); pSdkManager = NULL; } bool LoadScene(KFbxSdkManager* pSdkManager, KFbxDocument* pScene, const char* pFilename) { int lFileMajor, lFileMinor, lFileRevision; int lSDKMajor, lSDKMinor, lSDKRevision; //int lFileFormat = -1; int lAnimStackCount; bool lStatus; char lPassword[1024]; // Get the file version number generate by the FBX SDK. KFbxSdkManager::GetFileFormatVersion(lSDKMajor, lSDKMinor, lSDKRevision); // Create an importer. KFbxImporter* lImporter = KFbxImporter::Create(pSdkManager,""); // Initialize the importer by providing a filename. const bool lImportStatus = lImporter->Initialize(pFilename, -1, pSdkManager->GetIOSettings()); lImporter->GetFileVersion(lFileMajor, lFileMinor, lFileRevision); if( !lImportStatus ) { printf("Call to KFbxImporter::Initialize() failed.\n"); printf("Error returned: %s\n\n", lImporter->GetLastErrorString()); if (lImporter->GetLastErrorID() == FbxIOBase::eFileVersionNotSupportedYet || lImporter->GetLastErrorID() == FbxIOBase::eFileVersionNotSupportedAnymore) { printf("FBX version number for this FBX SDK is %d.%d.%d\n", lSDKMajor, lSDKMinor, lSDKRevision); printf("FBX version number for file %s is %d.%d.%d\n\n", pFilename, lFileMajor, lFileMinor, lFileRevision); } return false; } printf("FBX version number for this FBX SDK is %d.%d.%d\n", lSDKMajor, lSDKMinor, lSDKRevision); if(!lImporter->IsFBX()) { printf("ERROR Unrecognized FBX File\n"); return false; } printf("FBX version number for file %s is %d.%d.%d\n\n", pFilename, lFileMajor, lFileMinor, lFileRevision); // From this point, it is possible to access animation stack information without // the expense of loading the entire file. printf("Animation Stack Information\n"); lAnimStackCount = lImporter->GetAnimStackCount(); printf(" Number of Animation Stacks: %d\n", lAnimStackCount); printf(" Current Animation Stack: \"%s\"\n", lImporter->GetActiveAnimStackName().Buffer()); printf("\n"); // Set the import states. By default, the import states are always set to // true. The code below shows how to change these states. IOS_REF.SetBoolProp(IMP_FBX_MATERIAL, true); IOS_REF.SetBoolProp(IMP_FBX_TEXTURE, true); IOS_REF.SetBoolProp(IMP_FBX_LINK, true); IOS_REF.SetBoolProp(IMP_FBX_SHAPE, true); IOS_REF.SetBoolProp(IMP_FBX_GOBO, true); IOS_REF.SetBoolProp(IMP_FBX_ANIMATION, true); IOS_REF.SetBoolProp(IMP_FBX_GLOBAL_SETTINGS, true); // Import the scene. lStatus = lImporter->Import(pScene); if(lStatus == false && lImporter->GetLastErrorID() == FbxIOBase::ePasswordError) { printf("Please enter password: "); lPassword[0] = '\0'; scanf("%s", lPassword); KString lString(lPassword); IOS_REF.SetStringProp(IMP_FBX_PASSWORD, lString); IOS_REF.SetBoolProp(IMP_FBX_PASSWORD_ENABLE, true); lStatus = lImporter->Import(pScene); if(lStatus == false && lImporter->GetLastErrorID() == FbxIOBase::ePasswordError) { printf("\nPassword is wrong, import aborted.\n"); } } // // ----====---- Start: Bake pivots into transforms, as Kraken doesn't support them directly ----====---- // // printf("Baking pivots...\n"); // KFbxNode* pNode = ((KFbxScene*)pScene)->GetRootNode(); //// BakeNode(pNode); // // for(i = 0; i < lAnimStackCount; i++) // { // KFbxTakeInfo* lTakeInfo = lImporter->GetTakeInfo(i); // // printf(" Animation: \"%s\"\n", lTakeInfo->mName.Buffer()); // // //pNode->ConvertPivotAnimationRecursive(lTakeInfo->mName.Buffer(), KFbxNode::eDestinationPivot, KRAKEN_FBX_ANIMATION_FRAMERATE); // pNode->ResetPivotSetAndConvertAnimation(); // // } //// pNode->ConvertPivotAnimationRecursive(NULL, KFbxNode::eDestinationPivot, KRAKEN_FBX_ANIMATION_FRAMERATE); //// pNode->UpdatePropertiesFromPivotsAndLimits(); // // // ----====---- End: Bake pivots into transforms, as Kraken doesn't support them directly ----====---- // // ----====---- Bake pivots into transforms, as Kraken doesn't support them directly ----====---- // // printf("Baking pivots...\n"); // KFbxNode* pNode = ((KFbxScene*)pScene)->GetRootNode(); // if(pNode) { // pNode->ResetPivotSetAndConvertAnimation(); // } // Destroy the importer. lImporter->Destroy(); return lStatus; } KRAnimation *LoadAnimation(KRContext &context, FbxAnimStack* pAnimStack) { printf("Loading animation: \"%s\"\n", pAnimStack->GetName()); KRAnimation *new_animation = new KRAnimation(context, pAnimStack->GetName()); int cLayers = pAnimStack->GetMemberCount(); new_animation->setDuration(pAnimStack->LocalStop.Get().GetSecondDouble()); for(int iLayer=0; iLayer < cLayers; iLayer++) { new_animation->addLayer(LoadAnimationLayer(context, pAnimStack->GetMember(iLayer))); } return new_animation; } KRAnimationCurve *LoadAnimationCurve(KRContext &context, FbxAnimCurve* pAnimCurve) { std::string name = GetFbxObjectName(pAnimCurve); printf("Loading animation curve: \"%s\"\n", name.c_str()); FbxTimeSpan time_span; if(!pAnimCurve->GetTimeInterval(time_span)) { printf(" ERROR: Failed to get time interval.\n"); return NULL; } float frame_rate = 30.0f; // FINDME, TODO - This needs to be dynamic int frame_start = time_span.GetStart().GetSecondDouble() * frame_rate; int frame_count = (time_span.GetStop().GetSecondDouble() * frame_rate) - frame_start; KRAnimationCurve *new_curve = new KRAnimationCurve(context, name); new_curve->setFrameRate(frame_rate); new_curve->setFrameStart(frame_start); new_curve->setFrameCount(frame_count); // Resample animation curve int last_frame = 0; // Used by FBX sdk for faster keyframe searches for(int frame_number=0; frame_number < frame_count; frame_number++) { float frame_seconds = (frame_start + frame_number) / frame_rate; FbxTime frame_time; frame_time.SetSecondDouble(frame_seconds); float frame_value = pAnimCurve->Evaluate(frame_time, &last_frame); //printf(" Frame %i / %i: %.6f\n", frame_number, frame_count, frame_value); new_curve->setValue(frame_number, frame_value); } return new_curve; } KRAnimationLayer *LoadAnimationLayer(KRContext &context, FbxAnimLayer *pAnimLayer) { KRAnimationLayer *new_layer = new KRAnimationLayer(context); new_layer->setName(pAnimLayer->GetName()); new_layer->setWeight(pAnimLayer->Weight.Get() / 100.0f); switch(pAnimLayer->BlendMode.Get()) { case FbxAnimLayer::eBlendAdditive: new_layer->setBlendMode(KRAnimationLayer::KRENGINE_ANIMATION_BLEND_MODE_ADDITIVE); break; case FbxAnimLayer::eBlendOverride: new_layer->setBlendMode(KRAnimationLayer::KRENGINE_ANIMATION_BLEND_MODE_OVERRIDE); break; case FbxAnimLayer::eBlendOverridePassthrough: new_layer->setBlendMode(KRAnimationLayer::KRENGINE_ANIMATION_BLEND_MODE_OVERRIDE_PASSTHROUGH); break; } switch(pAnimLayer->RotationAccumulationMode.Get()) { case FbxAnimLayer::eRotationByLayer: new_layer->setRotationAccumulationMode(KRAnimationLayer::KRENGINE_ANIMATION_ROTATION_ACCUMULATION_BY_LAYER); break; case FbxAnimLayer::eRotationByChannel: new_layer->setRotationAccumulationMode(KRAnimationLayer::KRENGINE_ANIMATION_ROTATION_ACCUMULATION_BY_CHANNEL); break; } switch(pAnimLayer->ScaleAccumulationMode.Get()) { case FbxAnimLayer::eScaleAdditive: new_layer->setScaleAccumulationMode(KRAnimationLayer::KRENGINE_ANIMATION_SCALE_ACCUMULATION_ADDITIVE); break; case FbxAnimLayer::eScaleMultiply: new_layer->setScaleAccumulationMode(KRAnimationLayer::KRENGINE_ANIMATION_SCALE_ACCUMULATION_MULTIPLY); break; } return new_layer; } // //void BakeNode(KFbxNode *pNode) { // // pNode->SetPivotState(KFbxNode::eSourcePivot, KFbxNode::ePivotActive); // pNode->SetPivotState(KFbxNode::eDestinationPivot, KFbxNode::ePivotActive); // // // Pass the current value to the source pivot. //// * - Rotation offset (Roff) //// * - Rotation pivot (Rp) //// * - Pre-rotation (Rpre) //// * - Post-rotation (Rpost) //// * - Scaling offset (Soff) //// * - Scaling pivot (Sp) //// * - Geometric translation (Gt) //// * - Geometric rotation (Gr) //// * - Geometric scaling (Gs) // /* // pNode->SetPostRotation(KFbxNode::eSourcePivot, pNode->PostRotation.Get()); // pNode->SetPreRotation(KFbxNode::eSourcePivot, pNode->PreRotation.Get()); // pNode->SetRotationOffset(KFbxNode::eSourcePivot, pNode->RotationOffset.Get()); // pNode->SetScalingOffset(KFbxNode::eSourcePivot, pNode->ScalingOffset.Get()); // pNode->SetRotationPivot(KFbxNode::eSourcePivot, pNode->RotationPivot.Get()); // pNode->SetScalingPivot(KFbxNode::eSourcePivot, pNode->ScalingPivot.Get()); // pNode->SetGeometricRotation(KFbxNode::eSourcePivot, pNode->GeometricRotation.Get()); // pNode->SetGeometricTranslation(KFbxNode::eSourcePivot, pNode->GeometricTranslation.Get()); // pNode->SetGeometricScaling(KFbxNode::eSourcePivot, pNode->GeometricScaling.Get()); // pNode->SetRotationOrder(KFbxNode::eSourcePivot, pNode->RotationOrder.Get()); // */ // // // We want to set all these to 0 and bake them into the transforms. // KFbxVector4 lZero(0.0, 0.0, 0.0); // KFbxVector4 lOne(1.0, 1.0, 1.0); // pNode->SetPostRotation(KFbxNode::eDestinationPivot, lZero); // pNode->SetPreRotation(KFbxNode::eDestinationPivot, lZero); // pNode->SetRotationOffset(KFbxNode::eDestinationPivot, lZero); // pNode->SetScalingOffset(KFbxNode::eDestinationPivot, lZero); // pNode->SetRotationPivot(KFbxNode::eDestinationPivot, lZero); // pNode->SetScalingPivot(KFbxNode::eDestinationPivot, lZero); // pNode->SetGeometricRotation(KFbxNode::eDestinationPivot, lZero); // pNode->SetGeometricTranslation(KFbxNode::eDestinationPivot, lZero); // pNode->SetGeometricScaling(KFbxNode::eDestinationPivot, lOne); // pNode->SetRotationOrder(KFbxNode::eDestinationPivot, eEULER_XYZ); // // // /* // FbxVector4 lZero(0,0,0); // FbxVector4 lOne(1,1,1); // pNode->SetPivotState(FbxNode::eSourcePivot, FbxNode::ePivotActive); // pNode->SetPivotState(FbxNode::eDestinationPivot, FbxNode::ePivotActive); // // EFbxRotationOrder lRotationOrder; // pNode->GetRotationOrder(FbxNode::eSourcePivot , lRotationOrder); // pNode->SetRotationOrder(FbxNode::eDestinationPivot , lRotationOrder); // // //For cameras and lights (without targets) let's compensate the postrotation. // if( pNode->GetCamera() || pNode->GetLight() ) // { // if( !pNode->GetTarget() ) // { // FbxVector4 lRV(90, 0, 0); // if( pNode->GetCamera() ) // lRV.Set(0, 90, 0); // // FbxVector4 prV = pNode->GetPostRotation(FbxNode::eSourcePivot); // FbxAMatrix lSourceR; // FbxAMatrix lR(lZero, lRV, lOne); // FbxVector4 res = prV; // // // Rotation order don't affect post rotation, so just use the default XYZ order // FbxRotationOrder rOrder; // rOrder.V2M(lSourceR, res); // // lR = lSourceR * lR; // rOrder.M2V(res, lR); // prV = res; // pNode->SetPostRotation(FbxNode::eSourcePivot, prV); // pNode->SetRotationActive(true); // } // // // Point light do not need to be adjusted (since they radiate in all the directions). // if( pNode->GetLight() && pNode->GetLight()->LightType.Get() == FbxLight::ePoint ) // { // pNode->SetPostRotation(FbxNode::eSourcePivot, FbxVector4(0,0,0,0)); // } // } // // apply Pre rotations only on bones / end of chains // if( pNode->GetNodeAttribute() && pNode->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eSkeleton // || (pNode->GetMarker() && pNode->GetMarker()->GetType() == FbxMarker::eEffectorFK) // || (pNode->GetMarker() && pNode->GetMarker()->GetType() == FbxMarker::eEffectorIK) ) // { // if( pNode->GetRotationActive() ) // { // pNode->SetPreRotation(FbxNode::eDestinationPivot, pNode->GetPreRotation(FbxNode::eSourcePivot)); // } // // // No pivots on bones // pNode->SetRotationPivot(FbxNode::eDestinationPivot, lZero); // pNode->SetScalingPivot(FbxNode::eDestinationPivot, lZero); // pNode->SetRotationOffset(FbxNode::eDestinationPivot,lZero); // pNode->SetScalingOffset(FbxNode::eDestinationPivot, lZero); // } // else // { // // any other type: no pre-rotation support but... // pNode->SetPreRotation(FbxNode::eDestinationPivot, lZero); // // // support for rotation and scaling pivots. // pNode->SetRotationPivot(FbxNode::eDestinationPivot, pNode->GetRotationPivot(FbxNode::eSourcePivot)); // pNode->SetScalingPivot(FbxNode::eDestinationPivot, pNode->GetScalingPivot(FbxNode::eSourcePivot)); // // Rotation and scaling offset are supported // pNode->SetRotationOffset(FbxNode::eDestinationPivot, pNode->GetRotationOffset(FbxNode::eSourcePivot)); // pNode->SetScalingOffset(FbxNode::eDestinationPivot, pNode->GetScalingOffset(FbxNode::eSourcePivot)); // // // // If we don't "support" scaling pivots, we can simply do: // // pNode->SetRotationPivot(FbxNode::eDestinationPivot, lZero); // // pNode->SetScalingPivot(FbxNode::eDestinationPivot, lZero); // } // */ // // // Bake child nodes // for(int i = 0; i < pNode->GetChildCount(); i++) // { // BakeNode(pNode->GetChild(i)); // } //} void LoadNode(KFbxScene* pFbxScene, KRNode *parent_node, std::vector &resources, FbxGeometryConverter *pGeometryConverter, KFbxNode* pNode) { KFbxVector4 lTmpVector; pNode->UpdatePropertiesFromPivotsAndLimits(); // Transform = T * Roff * Rp * Rpre * R * Rpost * inverse(Rp) * Soff * Sp * S * inverse(Sp) // Import animated properties int animation_count = pFbxScene->GetSrcObjectCount(); for(int i = 0; i < animation_count; i++) { // FbxAnimStack* pAnimStack = FbxCast(pFbxScene->GetSrcObject(FBX_TYPE(FbxAnimStack), i)); FbxAnimStack* pAnimStack = pFbxScene->GetSrcObject(i); KRAnimation *pAnimation = parent_node->getContext().getAnimationManager()->getAnimation(pAnimStack->GetName()); if(pAnimation) { int cLayers = pAnimStack->GetMemberCount(); for(int iLayer=0; iLayer < cLayers; iLayer++) { FbxAnimLayer *pFbxAnimLayer = pAnimStack->GetMember(iLayer); // float weight = pFbxAnimLayer->Weight.Get(); KRAnimationLayer *pAnimationLayer = pAnimation->getLayer(pFbxAnimLayer->GetName()); FbxAnimCurve *pAnimCurve = pNode->LclRotation.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_X); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_ROTATE_X); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclRotation.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_ROTATE_Y); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclRotation.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_ROTATE_Z); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclTranslation.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_X); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_TRANSLATE_X); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclTranslation.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_TRANSLATE_Y); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclTranslation.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_TRANSLATE_Z); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclScaling.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_X); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_SCALE_X); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclScaling.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_SCALE_Y); pAnimationLayer->addAttribute(new_attribute); } pAnimCurve = pNode->LclScaling.GetCurve(pFbxAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z); if(pAnimCurve) { KRAnimationAttribute *new_attribute = new KRAnimationAttribute(parent_node->getContext()); new_attribute->setCurveName(GetFbxObjectName(pAnimCurve)); new_attribute->setTargetName(GetFbxObjectName(pNode)); new_attribute->setTargetAttribute(KRNode::KRENGINE_NODE_ATTRIBUTE_SCALE_Z); pAnimationLayer->addAttribute(new_attribute); } } } } fbxDouble3 local_rotation = pNode->LclRotation.Get(); // pNode->GetGeometricRotation(KFbxNode::eSourcePivot); fbxDouble3 local_translation = pNode->LclTranslation.Get(); // pNode->GetGeometricTranslation(KFbxNode::eSourcePivot); fbxDouble3 local_scale = pNode->LclScaling.Get(); // pNode->GetGeometricScaling(KFbxNode::eSourcePivot); fbxDouble3 post_rotation = pNode->PostRotation.Get(); fbxDouble3 pre_rotation = pNode->PreRotation.Get(); fbxDouble3 rotation_offset = pNode->RotationOffset.Get(); fbxDouble3 scaling_offset = pNode->ScalingOffset.Get(); fbxDouble3 rotation_pivot = pNode->RotationPivot.Get(); fbxDouble3 scaling_pivot = pNode->ScalingPivot.Get(); fbxDouble3 geometric_rotation = pNode->GeometricRotation.Get(); fbxDouble3 geometric_translation = pNode->GeometricTranslation.Get(); fbxDouble3 geometric_scaling = pNode->GeometricScaling.Get(); ERotationOrder rotation_order = pNode->RotationOrder.Get(); KFbxVector4 lZero(0.0, 0.0, 0.0); KFbxVector4 lOne(1.0, 1.0, 1.0); assert(post_rotation == lZero); assert(pre_rotation == lZero); assert(rotation_offset == lZero); assert(scaling_offset == lZero); assert(rotation_pivot == lZero); assert(scaling_pivot == lZero); assert(geometric_rotation == lZero); assert(geometric_translation == lZero); assert(geometric_scaling == lOne); assert(rotation_order == eEulerXYZ); KRVector3 node_translation = KRVector3(local_translation[0], local_translation[1], local_translation[2]); // T * Roff * Rp KRVector3 node_rotation = KRVector3(local_rotation[0], local_rotation[1], local_rotation[2]) / 180.0 * M_PI; KRVector3 node_scale = KRVector3(local_scale[0], local_scale[1], local_scale[2]); // printf(" Local Translation: %f %f %f\n", local_translation[0], local_translation[1], local_translation[2]); // printf(" Local Rotation: %f %f %f\n", local_rotation[0], local_rotation[1], local_rotation[2]); // printf(" Local Scaling: %f %f %f\n", local_scale[0], local_scale[1], local_scale[2]); KFbxNodeAttribute::EType attribute_type = (pNode->GetNodeAttribute()->GetAttributeType()); if(attribute_type == KFbxNodeAttribute::eLODGroup) { std::string name = GetFbxObjectName(pNode); FbxLODGroup *fbx_lod_group = (FbxLODGroup*) pNode->GetNodeAttribute(); // FbxCast(pNode); if(!fbx_lod_group->WorldSpace.Get()) { printf("WARNING - LOD Groups only supported with world space distance thresholds.\n"); } float group_min_distance = 0.0f; float group_max_distance = 0.0f; if(fbx_lod_group->MinMaxDistance.Get()) { group_min_distance = fbx_lod_group->MinDistance.Get(); group_max_distance = fbx_lod_group->MinDistance.Get(); } // Create a lod_group node for each fbx child node int child_count = pNode->GetChildCount(); for(int i = 0; i < child_count; i++) { float min_distance = 0; float max_distance = 0; // 0 for max_distance means infinity FbxLODGroup::EDisplayLevel display_level; fbx_lod_group->GetDisplayLevel(i, display_level); switch(display_level) { case FbxLODGroup::eUseLOD: if(i > 0 ) { FbxDistance d; fbx_lod_group->GetThreshold(i - 1, d); min_distance = d.value(); } if(i < child_count - 1) { FbxDistance d; fbx_lod_group->GetThreshold(i, d); max_distance = d.value(); } break; case FbxLODGroup::eShow: // We leave min_distance and max_distance as 0's, which effectively makes the LOD group always visible break; case FbxLODGroup::eHide: min_distance = -1; max_distance = -1; // LOD Groups with -1 for both min_distance and max_distance will never be displayed; import in case that the distance values are to be modified by scripting at runtime break; } if(group_min_distance != 0.0f && min_distance != -1) { if(min_distance < group_min_distance) min_distance = group_min_distance; } if(group_max_distance != 0.0f && max_distance != -1) { if(max_distance == 0.0f) { max_distance = group_max_distance; } else if(max_distance > group_max_distance) { max_distance = group_max_distance; } } KRLODGroup *new_node = new KRLODGroup(parent_node->getScene(), name + "_lodlevel" + boost::lexical_cast(i + 1)); new_node->setMinDistance(min_distance); new_node->setMaxDistance(max_distance); new_node->setLocalRotation(node_rotation); new_node->setLocalTranslation(node_translation); new_node->setLocalScale(node_scale); parent_node->addChild(new_node); LoadNode(pFbxScene, new_node, resources, pGeometryConverter, pNode->GetChild(i)); } } else { KRNode *new_node = NULL; switch(attribute_type) { case KFbxNodeAttribute::eMesh: new_node = LoadMesh(parent_node, resources, pGeometryConverter, pNode); break; case KFbxNodeAttribute::eLight: new_node = LoadLight(parent_node, resources, pNode); break; case KFbxNodeAttribute::eSkeleton: new_node = LoadSkeleton(parent_node, resources, pNode); break; case KFbxNodeAttribute::eCamera: new_node = LoadCamera(parent_node, resources, pNode); break; default: { if(pNode->GetChildCount() > 0) { // Create an empty node, for inheritence of transforms std::string name = GetFbxObjectName(pNode); float min_distance = 0.0f; float max_distance = 0.0f; typedef boost::tokenizer > char_tokenizer; int step = 0; char_tokenizer name_components(name, boost::char_separator("_")); for(char_tokenizer::iterator itr=name_components.begin(); itr != name_components.end(); itr++) { std::string component = *itr; std::transform(component.begin(), component.end(), component.begin(), ::tolower); if(component.compare("lod") == 0) { step = 1; } else if(step == 1) { min_distance = boost::lexical_cast(component); step++; } else if(step == 2) { max_distance = boost::lexical_cast(component); step++; } } /* if(min_distance == 0.0f && max_distance == 0.0f) { // Regular node for grouping children together under one transform new_node = new KRNode(parent_node->getScene(), name); } else { */ // LOD Enabled group node KRLODGroup *lod_group = new KRLODGroup(parent_node->getScene(), name); lod_group->setMinDistance(min_distance); lod_group->setMaxDistance(max_distance); new_node = lod_group; /* } */ } } break; } if(new_node != NULL) { new_node->setLocalRotation(node_rotation); new_node->setLocalTranslation(node_translation); new_node->setLocalScale(node_scale); parent_node->addChild(new_node); // Load child nodes for(int i = 0; i < pNode->GetChildCount(); i++) { LoadNode(pFbxScene, new_node, resources, pGeometryConverter, pNode->GetChild(i)); } } } } void LoadLOD(KRContext &context, std::vector &resources, FbxLODGroup* pSourceLodGroup) { } void LoadMaterial(KRContext &context, std::vector &resources, FbxSurfaceMaterial *pMaterial) { //printf(" %s: %i - %i\n", pMaterial->GetName(), mat_vertex_start, mat_vertex_count + mat_vertex_start - 1); // ----====---- Output Material File ----====---- KRMaterial *new_material = new KRMaterial(context, pMaterial->GetName()); std::string name = pMaterial->GetName(); if(boost::starts_with(name, "ab_reflect_")) { new_material->setAlphaMode(KRMaterial::KRMATERIAL_ALPHA_MODE_BLENDONESIDE); size_t underscore_pos = name.find('_', 11); new_material->setReflectionCube(name.substr(11, underscore_pos - 11)); } else if(boost::starts_with(name, "reflect_")) { size_t underscore_pos = name.find('_', 8); new_material->setReflectionCube(name.substr(8, underscore_pos - 8)); } else if(boost::starts_with(name, "at_")) { new_material->setAlphaMode(KRMaterial::KRMATERIAL_ALPHA_MODE_TEST); } else if(boost::starts_with(name, "ab_")) { new_material->setAlphaMode(KRMaterial::KRMATERIAL_ALPHA_MODE_BLENDONESIDE); } else if(boost::starts_with(name, "ab2_")) { new_material->setAlphaMode(KRMaterial::KRMATERIAL_ALPHA_MODE_BLENDTWOSIDE); } FbxPropertyT lKFbxDouble3; FbxPropertyT lKFbxDouble1; if (pMaterial->GetClassId().Is(KFbxSurfacePhong::ClassId)) { // We found a Phong material. // Ambient Color lKFbxDouble3 =((FbxSurfacePhong *) pMaterial)->Ambient; new_material->setAmbient(KRVector3(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2])); // Diffuse Color lKFbxDouble3 =((KFbxSurfacePhong *) pMaterial)->Diffuse; new_material->setDiffuse(KRVector3(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2])); // Specular Color (unique to Phong materials) lKFbxDouble3 =((KFbxSurfacePhong *) pMaterial)->Specular; new_material->setSpecular(KRVector3(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2])); // Emissive Color //lKFbxDouble3 =((KFbxSurfacePhong *) pMaterial)->Emissive; // Transparency lKFbxDouble1 =((KFbxSurfacePhong *) pMaterial)->TransparencyFactor; new_material->setTransparency(lKFbxDouble1.Get()); // Shininess lKFbxDouble1 =((KFbxSurfacePhong *) pMaterial)->Shininess; new_material->setShininess(lKFbxDouble1.Get()); // Specular Factor lKFbxDouble1 =((KFbxSurfacePhong *) pMaterial)->SpecularFactor; double specular_factor = lKFbxDouble1.Get(); // Reflection factor lKFbxDouble1 =((KFbxSurfacePhong *) pMaterial)->ReflectionFactor; // Reflection color lKFbxDouble3 =((KFbxSurfacePhong *) pMaterial)->Reflection; // We modulate Relection color by reflection factor, as we only have one "reflection color" variable in Kraken new_material->setReflection(KRVector3(lKFbxDouble3.Get()[0] * lKFbxDouble1.Get(), lKFbxDouble3.Get()[1] * lKFbxDouble1.Get(), lKFbxDouble3.Get()[2] * lKFbxDouble1.Get())); } else if(pMaterial->GetClassId().Is(KFbxSurfaceLambert::ClassId) ) { // We found a Lambert material. // Ambient Color lKFbxDouble3=((KFbxSurfaceLambert *)pMaterial)->Ambient; new_material->setAmbient(KRVector3(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2])); // Diffuse Color lKFbxDouble3 =((KFbxSurfaceLambert *)pMaterial)->Diffuse; new_material->setDiffuse(KRVector3(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2])); // Emissive //lKFbxDouble3 =((KFbxSurfaceLambert *)pMaterial)->Emissive; // Opacity lKFbxDouble1 =((KFbxSurfaceLambert *)pMaterial)->TransparencyFactor; new_material->setTransparency(lKFbxDouble1.Get()); } else { printf("Error! Unable to convert material: %s", pMaterial->GetName()); } KFbxProperty pProperty; // Diffuse Map Texture pProperty = pMaterial->FindProperty(KFbxSurfaceMaterial::sDiffuse); if(pProperty.GetSrcObjectCount(KFbxLayeredTexture::ClassId) > 0) { printf("Warning! Layered textures not supported.\n"); } int texture_count = pProperty.GetSrcObjectCount(KFbxTexture::ClassId); if(texture_count > 1) { printf("Error! Multiple diffuse textures not supported.\n"); } else if(texture_count == 1) { KFbxTexture* pTexture = FbxCast (pProperty.GetSrcObject(KFbxTexture::ClassId,0)); assert(!pTexture->GetSwapUV()); assert(pTexture->GetCroppingTop() == 0); assert(pTexture->GetCroppingLeft() == 0); assert(pTexture->GetCroppingRight() == 0); assert(pTexture->GetCroppingBottom() == 0); assert(pTexture->GetWrapModeU() == KFbxTexture::eRepeat); assert(pTexture->GetWrapModeV() == KFbxTexture::eRepeat); assert(pTexture->GetRotationU() == 0.0f); assert(pTexture->GetRotationV() == 0.0f); assert(pTexture->GetRotationW() == 0.0f); KFbxFileTexture *pFileTexture = FbxCast(pTexture); if(pFileTexture) { new_material->setDiffuseMap(KRResource::GetFileBase(pFileTexture->GetFileName()), KRVector2(pTexture->GetScaleU(), pTexture->GetScaleV()), KRVector2(pTexture->GetTranslationU(), pTexture->GetTranslationV())); } } // Specular Map Texture pProperty = pMaterial->FindProperty(KFbxSurfaceMaterial::sSpecular); if(pProperty.GetSrcObjectCount(KFbxLayeredTexture::ClassId) > 0) { printf("Warning! Layered textures not supported.\n"); } texture_count = pProperty.GetSrcObjectCount(KFbxTexture::ClassId); if(texture_count > 1) { printf("Error! Multiple specular textures not supported.\n"); } else if(texture_count == 1) { KFbxTexture* pTexture = FbxCast (pProperty.GetSrcObject(KFbxTexture::ClassId,0)); KFbxFileTexture *pFileTexture = FbxCast(pTexture); if(pFileTexture) { new_material->setSpecularMap(KRResource::GetFileBase(pFileTexture->GetFileName()), KRVector2(pTexture->GetScaleU(), pTexture->GetScaleV()), KRVector2(pTexture->GetTranslationU(), pTexture->GetTranslationV())); } } // Normal Map Texture pProperty = pMaterial->FindProperty(KFbxSurfaceMaterial::sNormalMap); if(pProperty.GetSrcObjectCount(KFbxLayeredTexture::ClassId) > 0) { printf("Warning! Layered textures not supported.\n"); } texture_count = pProperty.GetSrcObjectCount(); if(texture_count > 1) { printf("Error! Multiple normal map textures not supported.\n"); } else if(texture_count == 1) { KFbxTexture* pTexture = pProperty.GetSrcObject(0); KFbxFileTexture *pFileTexture = FbxCast(pTexture); if(pFileTexture) { new_material->setNormalMap(KRResource::GetFileBase(pFileTexture->GetFileName()), KRVector2(pTexture->GetScaleU(), pTexture->GetScaleV()), KRVector2(pTexture->GetTranslationU(), pTexture->GetTranslationV())); } } bool bFound = false; for(vector::iterator resource_itr = resources.begin(); resource_itr != resources.end(); resource_itr++) { KRResource *pResource = (*resource_itr); if(pResource->getName() == new_material->getName() && pResource->getExtension() == new_material->getExtension()) { bFound = true; } } if(bFound) { delete new_material; } else { resources.push_back(new_material); } } void LoadMesh(KRContext &context, std::vector &resources, FbxGeometryConverter *pGeometryConverter, KFbxMesh* pSourceMesh) { KFbxMesh* pMesh = pGeometryConverter->TriangulateMesh(pSourceMesh); int control_point_count = pMesh->GetControlPointsCount(); KFbxVector4* control_points = pMesh->GetControlPoints(); struct control_point_weight_info { float weights[KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX]; int bone_indexes[KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX]; }; control_point_weight_info *control_point_weights = new control_point_weight_info[control_point_count]; for(int control_point=0; control_point < control_point_count; control_point++) { for(int i=0; i bone_names; bool too_many_bone_weights = false; // Collect the top 4 bone weights per vertex ... int skin_count = pMesh->GetDeformerCount(FbxDeformer::eSkin); int target_bone_index = 0; for(int skin_index=0; skin_indexGetDeformer(skin_index, FbxDeformer::eSkin); int cluster_count = skin->GetClusterCount(); printf(" Found skin with %i clusters.\n", cluster_count); for(int cluster_index=0; cluster_index < cluster_count; cluster_index++) { FbxCluster *cluster = skin->GetCluster(cluster_index); if(cluster->GetLinkMode() != FbxCluster::eNormalize) { printf(" Warning! link mode not supported.\n"); } std::string bone_name = GetFbxObjectName(cluster->GetLink()); bone_names.push_back(bone_name); int cluster_control_point_count = cluster->GetControlPointIndicesCount(); for(int control_point=0; control_pointGetControlPointIndices()[control_point]]; float bone_weight = cluster->GetControlPointWeights()[control_point]; if(bone_weight > weight_info.weights[KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX - 1]) { if(weight_info.weights[KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX - 1] != 0.0f) { too_many_bone_weights = true; } weight_info.weights[KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX - 1] = bone_weight; weight_info.bone_indexes[KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX - 1] = target_bone_index; for(int bone_index=KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX - 1; bone_index >=0; bone_index--) { if(bone_weight > weight_info.weights[bone_index]) { weight_info.weights[bone_index+1] = weight_info.weights[bone_index]; weight_info.bone_indexes[bone_index+1] = weight_info.bone_indexes[bone_index]; weight_info.weights[bone_index] = bone_weight; weight_info.bone_indexes[bone_index] = target_bone_index; } } } else { too_many_bone_weights = true; } } target_bone_index++; } } if(too_many_bone_weights) { printf(" WARNING! - Clipped bone weights to limit of %i per vertex (selecting largest weights and re-normalizing).\n", KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX); } // Normalize bone weights if(bone_names.size() > 0) { for(int control_point_index=0; control_point_index < control_point_count; control_point_index++) { control_point_weight_info &weight_info = control_point_weights[control_point_index]; float total_weights = 0.0f; for(int i=0; i < KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX; i++) { total_weights += weight_info.weights[i]; } if(total_weights == 0.0f) total_weights = 1.0f; // Prevent any divisions by zero for(int i=0; i < KRENGINE_MAX_BONE_WEIGHTS_PER_VERTEX; i++) { weight_info.weights[i] = weight_info.weights[i] / total_weights; } } } int polygon_count = pMesh->GetPolygonCount(); int uv_count = pMesh->GetElementUVCount(); int normal_count = pMesh->GetElementNormalCount(); int tangent_count = pMesh->GetElementTangentCount(); int elementmaterial_count = pMesh->GetElementMaterialCount(); int material_count = pSourceMesh->GetNode()->GetMaterialCount(); // FINDME, TODO - To support instancing, material names should be stored in the instance rather than the mesh std::vector > bone_weights; std::vector > bone_indexes; std::vector vertices; std::vector uva; std::vector uvb; std::vector normals; std::vector tangents; std::vector submesh_lengths; std::vector submesh_starts; std::vector material_names; int dest_vertex_id = 0; for(int iMaterial=0; iMaterial < material_count; iMaterial++) { KFbxSurfaceMaterial *pMaterial = pSourceMesh->GetNode()->GetMaterial(iMaterial); int source_vertex_id = 0; int mat_vertex_count = 0; int mat_vertex_start = dest_vertex_id; for(int iPolygon = 0; iPolygon < polygon_count; iPolygon++) { int lPolygonSize = pMesh->GetPolygonSize(iPolygon); if(lPolygonSize != 3) { source_vertex_id += lPolygonSize; printf(" Warning - Poly with %i vertices found. Expecting only triangles.", lPolygonSize); } else { // ----====---- Read SubMesh / Material Mapping ----====---- int iNewMaterial = -1; for (int l = 0; l < elementmaterial_count; l++) { FbxGeometryElementMaterial* leMat = pMesh->GetElementMaterial(l); if(leMat) { if (leMat->GetReferenceMode() == FbxGeometryElement::eIndex || leMat->GetReferenceMode() == FbxGeometryElement::eIndexToDirect) { int new_id = leMat->GetIndexArray().GetAt(iPolygon); if(new_id >= 0) { iNewMaterial = new_id; } } } } if(iMaterial == iNewMaterial) { // ----====---- Read Vertex-level Attributes ----====---- for(int iVertex=0; iVertex<3; iVertex++) { // ----====---- Read Vertex Position ----====---- int lControlPointIndex = pMesh->GetPolygonVertex(iPolygon, iVertex); KFbxVector4 v = control_points[lControlPointIndex]; vertices.push_back(KRVector3(v[0], v[1], v[2])); if(bone_names.size() > 0) { control_point_weight_info &weight_info = control_point_weights[lControlPointIndex]; std::vector vertex_bone_indexes; std::vector vertex_bone_weights; for(int i=0; iGetUVSetNames(uvNames); if(uv_count >= 1) { const char *setName = uvNames[0].Buffer(); KFbxVector2 uv; if(pMesh->GetPolygonVertexUV(iPolygon, iVertex, setName, uv)) { new_uva = KRVector2(uv[0], uv[1]); } uva.push_back(new_uva); } if(uv_count >= 2) { const char *setName = uvNames[1].Buffer(); KFbxVector2 uv; if(pMesh->GetPolygonVertexUV(iPolygon, iVertex, setName, uv)) { new_uvb = KRVector2(uv[0], uv[1]); } uvb.push_back(new_uvb); } // ----====---- Read Normals ----====---- KFbxVector4 new_normal; if(pMesh->GetPolygonVertexNormal(iPolygon, iVertex, new_normal)) { normals.push_back(KRVector3(new_normal[0], new_normal[1], new_normal[2])); } // ----====---- Read Tangents ----====---- for(int l = 0; l < tangent_count; ++l) { KFbxVector4 new_tangent; FbxGeometryElementTangent* leTangent = pMesh->GetElementTangent(l); if(leTangent->GetMappingMode() == FbxGeometryElement::eByPolygonVertex) { switch (leTangent->GetReferenceMode()) { case FbxGeometryElement::eDirect: new_tangent = leTangent->GetDirectArray().GetAt(lControlPointIndex); break; case FbxGeometryElement::eIndexToDirect: { int id = leTangent->GetIndexArray().GetAt(lControlPointIndex); new_tangent = leTangent->GetDirectArray().GetAt(id); } break; default: break; // other reference modes not shown here! } } if(l == 0) { tangents.push_back(KRVector3(new_tangent[0], new_tangent[1], new_tangent[2])); } } source_vertex_id++; dest_vertex_id++; mat_vertex_count++; } } } } if(mat_vertex_count) { // ----====---- Output last material / submesh details ----====---- submesh_starts.push_back(mat_vertex_start); submesh_lengths.push_back(mat_vertex_count); material_names.push_back(pMaterial->GetName()); } } delete control_point_weights; KRMesh *new_mesh = new KRMesh(context, pSourceMesh->GetNode()->GetName()); new_mesh->LoadData(vertices, uva, uvb, normals, tangents, submesh_starts, submesh_lengths, material_names, bone_names, bone_indexes, bone_weights,KRMesh::KRENGINE_MODEL_FORMAT_TRIANGLES); resources.push_back(new_mesh); } KRNode *LoadMesh(KRNode *parent_node, std::vector &resources, FbxGeometryConverter *pGeometryConverter, KFbxNode* pNode) { std::string name = GetFbxObjectName(pNode); KFbxMesh* pSourceMesh = (KFbxMesh*) pNode->GetNodeAttribute(); if(KRMesh::GetLODCoverage(pNode->GetName()) == 100) { // If this is the full detail model, add an instance of it to the scene file std::string light_map = pNode->GetName(); light_map.append("_lightmap"); // FINDME, HACK - Until we have a GUI, we're using prefixes to select correct object type const char *node_name = pNode->GetName(); if(strncmp(node_name, "physics_collider_", strlen("physics_collider_")) == 0) { return new KRCollider(parent_node->getScene(), GetFbxObjectName(pNode), pSourceMesh->GetNode()->GetName(), KRAKEN_COLLIDER_PHYSICS, 0.0f); } else if(strncmp(node_name, "audio_collider_", strlen("audio_collider_")) == 0) { return new KRCollider(parent_node->getScene(), GetFbxObjectName(pNode), pSourceMesh->GetNode()->GetName(), KRAKEN_COLLIDER_AUDIO, 1.0f); } else if(strncmp(node_name, "collider_", strlen("collider_")) == 0) { return new KRCollider(parent_node->getScene(), GetFbxObjectName(pNode), pSourceMesh->GetNode()->GetName(), KRAKEN_COLLIDER_PHYSICS | KRAKEN_COLLIDER_AUDIO, 1.0f); } else { return new KRModel(parent_node->getScene(), GetFbxObjectName(pNode), pSourceMesh->GetNode()->GetName(), light_map, 0.0f, true, false); } } else { return NULL; } } KRNode *LoadSkeleton(KRNode *parent_node, std::vector &resources, KFbxNode* pNode) { std::string name = GetFbxObjectName(pNode); KRBone *new_bone = new KRBone(parent_node->getScene(), name.c_str()); return new_bone; } KRNode *LoadCamera(KRNode *parent_node, std::vector &resources, KFbxNode* pNode) { FbxCamera *camera = (FbxCamera *)pNode->GetNodeAttribute(); const char *szName = pNode->GetName(); KRCamera *new_camera = new KRCamera(parent_node->getScene(), szName); return new_camera; } KRNode *LoadLight(KRNode *parent_node, std::vector &resources, KFbxNode* pNode) { const GLfloat PI = 3.14159265; const GLfloat d2r = PI * 2 / 360; FbxLight* pLight = (FbxLight*) pNode->GetNodeAttribute(); const char *szName = pNode->GetName(); FbxDouble3 light_color = pLight->Color.Get(); FbxDouble light_intensity = pLight->Intensity.Get(); FbxDouble light_hotspot = pLight->InnerAngle.Get(); // light inner cone angle (in degrees). Also know as the HotSpot FbxDouble light_coneangle = pLight->OuterAngle.Get(); // light outer cone angle (in degrees). Also known as the Falloff KFbxLight::EDecayType light_decaytype = pLight->DecayType.Get(); // decay type FbxDouble light_decaystart = pLight->DecayStart.Get(); // decay start distance // KFbxLight::eNONE - does not attenuate with distance // KFbxLight::eLINEAR - attenuation of 1/d // KFbxLight::eQUADRATIC - attenuation of 1/d^2 // KFbxLight::eCUBIC - attenuation of KRLight *new_light = NULL; switch(pLight->LightType.Get()) { case KFbxLight::ePoint: { KRPointLight *l = new KRPointLight(parent_node->getScene(), szName); new_light = l; } break; case KFbxLight::eDirectional: { KRDirectionalLight *l = new KRDirectionalLight(parent_node->getScene(), szName); new_light = l; } break; case KFbxLight::eSpot: { KRSpotLight *l = new KRSpotLight(parent_node->getScene(), szName); l->setInnerAngle(light_hotspot * d2r); l->setOuterAngle(light_coneangle * d2r); new_light = l; } break; case KFbxLight::eVolume: case KFbxLight::eArea: // Not supported yet break; } if(new_light) { new_light->setColor(KRVector3(light_color[0], light_color[1], light_color[2])); new_light->setIntensity(light_intensity); new_light->setDecayStart(light_decaystart); } return new_light; }