2 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-scene3d/internal/loader/dli-loader-impl.h>
22 #include <dali-toolkit/devel-api/builder/json-parser.h>
23 #include <dali/devel-api/common/map-wrapper.h>
24 #include <dali/integration-api/debug.h>
25 #include <dali/public-api/object/property-array.h>
35 #include <dali-scene3d/internal/loader/json-util.h>
36 #include <dali-scene3d/public-api/loader/alpha-function-helper.h>
37 #include <dali-scene3d/public-api/loader/animation-definition.h>
38 #include <dali-scene3d/public-api/loader/blend-shape-details.h>
39 #include <dali-scene3d/public-api/loader/camera-parameters.h>
40 #include <dali-scene3d/public-api/loader/ktx-loader.h>
41 #include <dali-scene3d/public-api/loader/light-parameters.h>
42 #include <dali-scene3d/public-api/loader/load-result.h>
43 #include <dali-scene3d/public-api/loader/parse-renderer-state.h>
44 #include <dali-scene3d/public-api/loader/scene-definition.h>
45 #include <dali-scene3d/public-api/loader/skinning-details.h>
46 #include <dali-scene3d/public-api/loader/utils.h>
48 #define DLI_0_1_COMPATIBILITY
52 using namespace Toolkit;
60 namespace rs = RendererState;
64 const char* NODES = "nodes";
65 const char* SCENES = "scenes";
66 const char* NODE = "node";
67 const char* URI = "uri";
68 const char* URL = "url";
69 const char* HINTS = "hints";
70 const char* NAME("name");
71 const char* BLEND_SHAPE_HEADER("blendShapeHeader");
72 const char* BLEND_SHAPES("blendShapes");
73 const char* BLEND_SHAPE_VERSION_1_0("1.0");
74 const char* BLEND_SHAPE_VERSION_2_0("2.0");
75 const char* VERSION("version");
77 const char* const SHADOW_MAP_SIZE = "shadowMapSize";
78 const char* const ORTHOGRAPHIC_SIZE = "orthographicSize";
79 const char* const PIXEL_UNITS = "px";
81 const char SLASH = '/';
83 void ReadModelTransform(const TreeNode* node, Quaternion& orientation, Vector3& translation, Vector3& scale)
85 float num[16u] = {.0f};
87 if(ReadVector(node->GetChild("matrix"), num, 16u))
90 mat.GetTransformComponents(translation, orientation, scale);
94 if(ReadVector(node->GetChild("angle"), num, 3u))
96 orientation = Quaternion(Radian(Degree(num[0u])), Radian(Degree(num[1u])), Radian(Degree(num[2u])));
99 if(ReadVector(node->GetChild("position"), num, 3u))
101 translation = Vector3(num);
106 bool ReadAttribBlob(const TreeNode* node, MeshDefinition::Blob& buffer)
108 return ReadBlob(node, buffer.mOffset, buffer.mLength);
111 bool ReadAttribAccessor(const TreeNode* node, MeshDefinition::Accessor& accessor)
113 return ReadBlob(node, accessor.mBlob.mOffset, accessor.mBlob.mLength);
116 bool ReadColorCode(const TreeNode* node, Vector4& color, DliInputParameter::ConvertColorCode convertColorCode)
118 if(!node || !convertColorCode)
123 color = convertColorCode(node->GetString());
128 bool ReadColorCodeOrColor(const TreeNode* node, Vector4& color, DliInputParameter::ConvertColorCode convertColorCode)
130 return ReadColorCode(node->GetChild("colorCode"), color, convertColorCode) ||
131 ReadColor(node->GetChild("color"), color);
134 RendererState::Type ReadRendererState(const TreeNode& tnRendererState)
136 if(tnRendererState.GetType() == TreeNode::INTEGER)
138 return static_cast<RendererState::Type>(tnRendererState.GetInteger());
140 else if(tnRendererState.GetType() == TreeNode::STRING)
142 return RendererState::Parse(tnRendererState.GetString());
150 ///@brief Reads arc properties.
151 void ReadArcField(const TreeNode* eArc, ArcRenderable& arc)
153 ReadBool(eArc->GetChild("antiAliasing"), arc.mAntiAliasing);
154 ReadInt(eArc->GetChild("arcCaps"), arc.mArcCaps);
155 ReadFloat(eArc->GetChild("radius"), arc.mRadius);
157 arc.mStartAngleDegrees = .0f;
158 ReadFloat(eArc->GetChild("startAngle"), arc.mStartAngleDegrees);
160 arc.mEndAngleDegrees = .0f;
161 ReadFloat(eArc->GetChild("endAngle"), arc.mEndAngleDegrees);
164 const TreeNode* GetNthChild(const TreeNode* node, uint32_t index)
167 for(TreeNode::ConstIterator it = (*node).CBegin(); it != (*node).CEnd(); ++it, ++i)
171 return &((*it).second);
177 const TreeNode* RequireChild(const TreeNode* node, const std::string& childName)
179 auto child = node->GetChild(childName);
182 ExceptionFlinger flinger(ASSERT_LOCATION);
183 flinger << "Failed to find child node '" << childName << "'";
184 if(auto nodeName = node->GetName())
186 flinger << " on '" << nodeName << "'";
193 void ParseProperties(const Toolkit::TreeNode& node, Property::Array& array);
195 void ParseProperties(const Toolkit::TreeNode& node, Property::Map& map)
197 DALI_ASSERT_DEBUG(node.GetType() == TreeNode::OBJECT);
198 for(auto i0 = node.CBegin(), i1 = node.CEnd(); i0 != i1; ++i0)
201 switch(kv.second.GetType())
203 case TreeNode::ARRAY:
205 Property::Array array;
206 ParseProperties(kv.second, array);
207 map.Insert(kv.first, array);
211 case TreeNode::OBJECT:
213 Property::Map innerMap;
214 ParseProperties(kv.second, innerMap);
215 map.Insert(kv.first, innerMap);
219 case TreeNode::STRING:
221 map.Insert(kv.first, kv.second.GetString());
225 case TreeNode::INTEGER:
227 map.Insert(kv.first, kv.second.GetInteger());
231 case TreeNode::BOOLEAN:
233 map.Insert(kv.first, kv.second.GetBoolean());
237 case TreeNode::FLOAT:
239 map.Insert(kv.first, kv.second.GetFloat());
243 case TreeNode::IS_NULL:
251 void ParseProperties(const Toolkit::TreeNode& node, Property::Array& array)
253 DALI_ASSERT_DEBUG(node.GetType() == TreeNode::ARRAY);
254 for(auto i0 = node.CBegin(), i1 = node.CEnd(); i0 != i1; ++i0)
257 switch(kv.second.GetType())
259 case TreeNode::ARRAY:
261 Property::Array innerArray;
262 ParseProperties(kv.second, innerArray);
263 array.PushBack(innerArray);
267 case TreeNode::OBJECT:
270 ParseProperties(kv.second, map);
275 case TreeNode::STRING:
277 array.PushBack(kv.second.GetString());
281 case TreeNode::INTEGER:
283 array.PushBack(kv.second.GetInteger());
287 case TreeNode::BOOLEAN:
289 array.PushBack(kv.second.GetBoolean());
293 case TreeNode::FLOAT:
295 array.PushBack(kv.second.GetFloat());
299 case TreeNode::IS_NULL:
309 struct DliLoaderImpl::Impl
311 StringCallback mOnError = DefaultErrorCallback;
312 Toolkit::JsonParser mParser;
314 void ParseScene(LoadParams& params);
317 std::map<Index, Matrix> mInverseBindMatrices;
320 * @brief Due to .dli nodes being processed in depth-first traversal with orphans being
321 * ignored, features that rely on node indices (which is more compact and closer to
322 * glTF) require a mapping from .dli node indices to those in the resulting SceneDefinition.
323 * The index mapper is responsible for maintaing this mapping, and resolving node IDs
324 * once the processing of the nodes has finished.
325 * @note The resolution requires the whole scene graph to finish parsing, therefore any
326 * node extensions relying on node IDs will see the dli ID in their processor.
331 * @brief Attempts to create a mapping from a node's @a dli index to its @a scene
333 * @return Whether the operation was successful.
335 virtual bool Map(Index iDli, Index iScene) = 0;
338 * @return The scene index for the node's @a dli index.
340 virtual Index Resolve(Index iDli) = 0;
344 * @brief Traverses the DOM tree created by LoadDocument() in an attempt to create
345 * an intermediate representation of resources and nodes.
347 void ParseSceneInternal(Index iScene, const Toolkit::TreeNode* tnScenes, const Toolkit::TreeNode* tnNodes, LoadParams& params);
349 void ParseSkeletons(const Toolkit::TreeNode* skeletons, Dali::Scene3D::Loader::SceneDefinition& scene, Dali::Scene3D::Loader::ResourceBundle& resources);
350 void ParseEnvironments(const Toolkit::TreeNode* environments, Dali::Scene3D::Loader::ResourceBundle& resources);
351 void ParseMaterials(const Toolkit::TreeNode* materials, DliInputParameter::ConvertColorCode convertColorCode, Dali::Scene3D::Loader::ResourceBundle& resources);
353 void ParseNodes(const Toolkit::TreeNode* nodes, Index index, LoadParams& params);
354 void ParseNodesInternal(const Toolkit::TreeNode* nodes, Index index, std::vector<Index>& inOutParentStack, LoadParams& params, IIndexMapper& indexMapper);
356 void ParseAnimations(const Toolkit::TreeNode* animations, LoadParams& params);
357 void ParseAnimationGroups(const Toolkit::TreeNode* animationGroups, LoadParams& params);
359 void ParseShaders(const Toolkit::TreeNode* shaders, Dali::Scene3D::Loader::ResourceBundle& resources);
360 void ParseMeshes(const Toolkit::TreeNode* meshes, Dali::Scene3D::Loader::ResourceBundle& resources);
362 void GetCameraParameters(std::vector<Dali::Scene3D::Loader::CameraParameters>& cameras) const;
363 void GetLightParameters(std::vector<Dali::Scene3D::Loader::LightParameters>& lights) const;
366 DliLoaderImpl::DliLoaderImpl()
371 DliLoaderImpl::~DliLoaderImpl() = default;
373 void DliLoaderImpl::SetErrorCallback(StringCallback onError)
375 mImpl->mOnError = onError;
378 bool DliLoaderImpl::LoadModel(const std::string& uri, Dali::Scene3D::Loader::LoadResult& result)
380 std::string daliBuffer = LoadTextFile(uri.c_str());
382 auto& parser = mImpl->mParser;
383 parser = JsonParser::New();
384 if(!parser.Parse(daliBuffer))
389 std::filesystem::path modelPath(uri);
390 Dali::Scene3D::Loader::DliInputParameter input;
391 LoadParams loadParams;
394 loadParams.input = static_cast<DliInputParameter*>(mInputParameter);
398 input.mAnimationsPath = std::string(modelPath.parent_path()) + "/";
399 loadParams.input = &input;
401 loadParams.output = &result;
403 mImpl->ParseScene(loadParams);
407 std::string DliLoaderImpl::GetParseError() const
409 std::stringstream stream;
411 auto& parser = mImpl->mParser;
412 if(parser.ParseError())
414 stream << "position: " << parser.GetErrorPosition() << ", line: " << parser.GetErrorLineNumber() << ", column: " << parser.GetErrorColumn() << ", description: " << parser.GetErrorDescription() << ".";
420 void DliLoaderImpl::Impl::ParseScene(LoadParams& params)
422 auto& input = *params.input;
423 auto& output = *params.output;
425 // get index of root node.
426 auto docRoot = mParser.GetRoot();
429 // Process resources first - these are shared
430 if(auto environments = docRoot->GetChild("environment"))
432 ParseEnvironments(environments, output.mResources); // NOTE: must precede parsing of materials
435 if(auto meshes = docRoot->GetChild("meshes"))
437 ParseMeshes(meshes, output.mResources);
440 if(auto shaders = docRoot->GetChild("shaders"))
442 ParseShaders(shaders, output.mResources);
445 if(auto materials = docRoot->GetChild("materials"))
447 ParseMaterials(materials, input.mConvertColorCode, output.mResources);
450 for(auto& c : input.mPreNodeCategoryProcessors)
452 if(auto node = docRoot->GetChild(c.first))
454 Property::Array array;
455 ParseProperties(*node, array);
456 c.second(std::move(array), mOnError);
461 Index iScene = 0; // default scene
462 ReadIndex(docRoot->GetChild("scene"), iScene);
464 auto tnScenes = RequireChild(docRoot, "scenes");
465 auto tnNodes = RequireChild(docRoot, "nodes");
466 ParseSceneInternal(iScene, tnScenes, tnNodes, params);
468 ParseSkeletons(docRoot->GetChild("skeletons"), output.mScene, output.mResources);
470 output.mScene.EnsureUniqueSkinningShaderInstances(output.mResources);
471 output.mScene.EnsureUniqueBlendShapeShaderInstances(output.mResources);
473 // Ger cameras and lights
474 GetCameraParameters(output.mCameraParameters);
475 GetLightParameters(output.mLightParameters);
477 // Post-node processors and animations last
478 for(auto& c : input.mPostNodeCategoryProcessors)
480 if(auto node = docRoot->GetChild(c.first))
482 Property::Array array;
483 ParseProperties(*node, array);
484 c.second(std::move(array), mOnError);
488 if(auto animations = docRoot->GetChild("animations"))
490 ParseAnimations(animations, params);
493 if(!output.mAnimationDefinitions.empty())
495 if(auto animationGroups = docRoot->GetChild("animationGroups"))
497 ParseAnimationGroups(animationGroups, params);
503 void DliLoaderImpl::Impl::ParseSceneInternal(Index iScene, const Toolkit::TreeNode* tnScenes, const Toolkit::TreeNode* tnNodes, LoadParams& params)
505 auto getSceneRootIdx = [tnScenes, tnNodes](Index iScene) {
506 auto tn = GetNthChild(tnScenes, iScene); // now a "scene" object
509 ExceptionFlinger(ASSERT_LOCATION) << iScene << " is out of bounds access into " << SCENES << ".";
512 tn = RequireChild(tn, NODES); // now a "nodes" array
513 if(tn->GetType() != TreeNode::ARRAY)
515 ExceptionFlinger(ASSERT_LOCATION) << SCENES << "[" << iScene << "]." << NODES << " has an invalid type; array required.";
520 ExceptionFlinger(ASSERT_LOCATION) << SCENES << "[" << iScene << "]." << NODES << " must define a node id.";
523 tn = GetNthChild(tn, 0); // now the first element of the array
525 if(!ReadIndex(tn, iRootNode))
527 ExceptionFlinger(ASSERT_LOCATION) << SCENES << "[" << iScene << "]." << NODES << " has an invalid value for root node index: '" << iRootNode << "'.";
530 if(iRootNode >= tnNodes->Size())
532 ExceptionFlinger(ASSERT_LOCATION) << "Root node index << " << iRootNode << " of scene " << iScene << " is out of bounds.";
535 tn = GetNthChild(tnNodes, iRootNode); // now a "node" object
536 if(tn->GetType() != TreeNode::OBJECT)
538 ExceptionFlinger(ASSERT_LOCATION) << "Root node of scene " << iScene << " is of invalid JSON type; object required";
544 Index iRootNode = getSceneRootIdx(iScene);
545 ParseNodes(tnNodes, iRootNode, params);
547 auto& scene = params.output->mScene;
548 scene.AddRootNode(0);
550 for(Index i = 0; i < iScene; ++i)
552 Index iRootNode = getSceneRootIdx(i);
553 const Index iRoot = scene.GetNodeCount();
554 ParseNodes(tnNodes, iRootNode, params);
555 scene.AddRootNode(iRoot);
558 auto numScenes = tnScenes->Size();
559 for(Index i = iScene + 1; i < numScenes; ++i)
561 Index iRootNode = getSceneRootIdx(i);
562 const Index iRoot = scene.GetNodeCount();
563 ParseNodes(tnNodes, iRootNode, params);
564 scene.AddRootNode(iRoot);
568 void DliLoaderImpl::Impl::ParseSkeletons(const TreeNode* skeletons, Dali::Scene3D::Loader::SceneDefinition& scene, Dali::Scene3D::Loader::ResourceBundle& resources)
572 auto iStart = skeletons->CBegin();
573 for(auto i0 = iStart, i1 = skeletons->CEnd(); i0 != i1; ++i0)
575 auto& node = (*i0).second;
576 std::string skeletonRootName;
577 if(ReadString(node.GetChild(NODE), skeletonRootName))
579 SkeletonDefinition skeleton;
580 if(!scene.FindNode(skeletonRootName, &skeleton.mRootNodeIdx))
582 ExceptionFlinger(ASSERT_LOCATION) << FormatString("Skeleton %d: node '%s' not defined.", resources.mSkeletons.size(), skeletonRootName.c_str());
585 uint32_t jointCount = 0;
586 std::function<void(Index)> visitFn;
587 auto& ibms = mInverseBindMatrices;
588 visitFn = [&](Index id) {
589 auto node = scene.GetNode(id);
590 jointCount += ibms.find(id) != ibms.end();
592 for(auto i : node->mChildren)
597 visitFn(skeleton.mRootNodeIdx);
599 if(jointCount > Skinning::MAX_JOINTS)
601 mOnError(FormatString("Skeleton %d: joint count exceeds supported limit.", resources.mSkeletons.size()));
602 jointCount = Skinning::MAX_JOINTS;
605 skeleton.mJoints.reserve(jointCount);
607 visitFn = [&](Index id) {
608 auto iFind = ibms.find(id);
609 if(iFind != ibms.end() && skeleton.mJoints.size() < Skinning::MAX_JOINTS)
611 skeleton.mJoints.push_back({id, iFind->second});
614 auto node = scene.GetNode(id);
615 for(auto i : node->mChildren)
620 visitFn(skeleton.mRootNodeIdx);
622 resources.mSkeletons.push_back(std::move(skeleton));
626 ExceptionFlinger(ASSERT_LOCATION) << "skeleton " << std::distance(iStart, i0) << ": Missing required attribute '" << NODE << "'.";
632 void DliLoaderImpl::Impl::ParseEnvironments(const TreeNode* environments, Dali::Scene3D::Loader::ResourceBundle& resources)
634 Matrix cubeOrientation(Matrix::IDENTITY);
636 for(auto i0 = environments->CBegin(), i1 = environments->CEnd(); i0 != i1; ++i0)
638 auto& node = (*i0).second;
640 EnvironmentDefinition envDef;
641 ReadString(node.GetChild("cubeSpecular"), envDef.mSpecularMapPath);
642 ReadString(node.GetChild("cubeDiffuse"), envDef.mDiffuseMapPath);
643 ToUnixFileSeparators(envDef.mSpecularMapPath);
644 ToUnixFileSeparators(envDef.mDiffuseMapPath);
645 envDef.mIblIntensity = 1.0f;
646 ReadFloat(node.GetChild("iblIntensity"), envDef.mIblIntensity);
647 if(ReadVector(node.GetChild("cubeInitialOrientation"), cubeOrientation.AsFloat(), 16u))
649 envDef.mCubeOrientation = Quaternion(cubeOrientation);
652 resources.mEnvironmentMaps.emplace_back(std::move(envDef), EnvironmentDefinition::Textures());
655 // NOTE: guarantees environmentMaps to have an empty environment.
656 if(resources.mEnvironmentMaps.empty())
658 resources.mEnvironmentMaps.emplace_back(EnvironmentDefinition(), EnvironmentDefinition::Textures());
662 void DliLoaderImpl::Impl::ParseShaders(const TreeNode* shaders, Dali::Scene3D::Loader::ResourceBundle& resources)
664 uint32_t iShader = 0;
665 for(auto i0 = shaders->CBegin(), i1 = shaders->CEnd(); i0 != i1; ++i0, ++iShader)
667 auto& node = (*i0).second;
668 ShaderDefinition shaderDef;
669 ReadStringVector(node.GetChild("defines"), shaderDef.mDefines);
671 // Read shader hints. Possible values are:
672 // Don't define for No hints.
673 // "OUTPUT_IS_TRANSPARENT" Might generate transparent alpha from opaque inputs.
674 // "MODIFIES_GEOMETRY" Might change position of vertices, this option disables any culling optimizations.
676 ReadStringVector(node.GetChild(HINTS), shaderDef.mHints);
678 if(ReadString(node.GetChild("vertex"), shaderDef.mVertexShaderPath) &&
679 ReadString(node.GetChild("fragment"), shaderDef.mFragmentShaderPath))
681 ToUnixFileSeparators(shaderDef.mVertexShaderPath);
682 ToUnixFileSeparators(shaderDef.mFragmentShaderPath);
684 for(TreeNode::ConstIterator j0 = node.CBegin(), j1 = node.CEnd(); j0 != j1; ++j0)
686 const TreeNode::KeyNodePair& keyValue = *j0;
687 const std::string& key = keyValue.first;
688 const TreeNode& value = keyValue.second;
690 Property::Value uniformValue;
691 if(key.compare("vertex") == 0 || key.compare("fragment") == 0 || key.compare("defines") == 0 || key.compare(HINTS) == 0)
695 else if(key.compare("rendererState") == 0)
697 shaderDef.mRendererState = ReadRendererState(keyValue.second);
699 else if(value.GetType() == TreeNode::INTEGER || value.GetType() == TreeNode::FLOAT)
702 ReadFloat(&value, f);
705 else if(value.GetType() == TreeNode::BOOLEAN)
707 DALI_LOG_WARNING("\"bool\" uniforms are handled as floats in shader");
709 if(ReadBool(&keyValue.second, value))
711 uniformValue = value ? 1.0f : 0.0f;
715 switch(auto size = GetNumericalArraySize(&value))
720 ReadVector(&value, m.AsFloat(), size);
728 ReadVector(&value, m.AsFloat(), size);
736 ReadVector(&value, v.AsFloat(), size);
744 ReadVector(&value, v.AsFloat(), size);
752 ReadVector(&value, v.AsFloat(), size);
758 mOnError(FormatString(
759 "shader %u: Ignoring uniform '%s': failed to infer type from %zu elements.",
766 if(Property::NONE != uniformValue.GetType())
768 shaderDef.mUniforms.Insert(key, uniformValue);
772 resources.mShaders.emplace_back(std::move(shaderDef), Shader());
776 ExceptionFlinger(ASSERT_LOCATION) << "shader " << iShader << ": Missing vertex / fragment shader definition.";
781 void DliLoaderImpl::Impl::ParseMeshes(const TreeNode* meshes, Dali::Scene3D::Loader::ResourceBundle& resources)
783 for(auto i0 = meshes->CBegin(), i1 = meshes->CEnd(); i0 != i1; ++i0)
785 auto& node = (*i0).second;
787 MeshDefinition meshDef;
788 if(!ReadString(node.GetChild(URI), meshDef.mUri))
790 ExceptionFlinger(ASSERT_LOCATION) << "mesh " << resources.mMeshes.size() << ": Missing required attribute '" << URI << "'.";
793 ToUnixFileSeparators(meshDef.mUri);
795 std::string primitive;
796 if(ReadString(node.GetChild("primitive"), primitive))
798 if(primitive == "LINES")
800 meshDef.mPrimitiveType = Geometry::LINES;
802 else if(primitive == "POINTS")
804 meshDef.mPrimitiveType = Geometry::POINTS;
806 else if(primitive != "TRIANGLES")
808 mOnError(FormatString(
809 "mesh %d: Using TRIANGLES instead of unsupported primitive type '%s'.",
810 resources.mMeshes.size(),
816 if(ReadInt(node.GetChild("attributes"), attributes))
818 if(MaskMatch(attributes, MeshDefinition::INDICES) &&
819 !ReadAttribAccessor(node.GetChild("indices"), meshDef.mIndices))
821 ExceptionFlinger(ASSERT_LOCATION) << FormatString("mesh %d: Failed to read %s.",
822 resources.mMeshes.size(),
826 if(MaskMatch(attributes, MeshDefinition::POSITIONS) &&
827 !ReadAttribAccessor(node.GetChild("positions"), meshDef.mPositions))
829 ExceptionFlinger(ASSERT_LOCATION) << FormatString("mesh %d: Failed to read %s.",
830 resources.mMeshes.size(),
834 if(MaskMatch(attributes, MeshDefinition::NORMALS) &&
835 !ReadAttribAccessor(node.GetChild("normals"), meshDef.mNormals))
837 mOnError(FormatString("mesh %d: Failed to read %s.", resources.mMeshes.size(), "normals"));
840 if(MaskMatch(attributes, MeshDefinition::TEX_COORDS) &&
841 !ReadAttribAccessor(node.GetChild("textures"), meshDef.mTexCoords))
843 mOnError(FormatString("mesh %d: Failed to read %s.", resources.mMeshes.size(), "textures"));
846 if(MaskMatch(attributes, MeshDefinition::TANGENTS) &&
847 !ReadAttribAccessor(node.GetChild("tangents"), meshDef.mTangents))
849 mOnError(FormatString("mesh %d: Failed to read %s.", resources.mMeshes.size(), "tangents"));
852 // NOTE: we're no longer reading bitangents as these are calculated in the shaders.
853 if(ReadIndex(node.GetChild("skeleton"), meshDef.mSkeletonIdx))
855 if(!MaskMatch(attributes, MeshDefinition::JOINTS_0) &&
856 !MaskMatch(attributes, MeshDefinition::WEIGHTS_0))
858 mOnError(FormatString("mesh %d: Expected joints0 / weights0 attribute(s) missing.",
859 resources.mMeshes.size()));
861 else if(!ReadAttribAccessor(node.GetChild("joints0"), meshDef.mJoints0) ||
862 !ReadAttribAccessor(node.GetChild("weights0"), meshDef.mWeights0))
864 mOnError(FormatString("mesh %d: Failed to read skinning information.",
865 resources.mMeshes.size()));
869 if(auto blendshapeHeader = node.GetChild(BLEND_SHAPE_HEADER))
871 std::string blendShapeVersion;
872 ReadString(blendshapeHeader->GetChild(VERSION), blendShapeVersion);
874 if(0u == blendShapeVersion.compare(BLEND_SHAPE_VERSION_1_0))
876 meshDef.mBlendShapeVersion = BlendShapes::Version::VERSION_1_0;
878 else if(0u == blendShapeVersion.compare(BLEND_SHAPE_VERSION_2_0))
880 meshDef.mBlendShapeVersion = BlendShapes::Version::VERSION_2_0;
883 switch(meshDef.mBlendShapeVersion)
885 case BlendShapes::Version::VERSION_1_0:
886 case BlendShapes::Version::VERSION_2_0: // FALL THROUGH
888 ReadAttribBlob(blendshapeHeader, meshDef.mBlendShapeHeader);
899 if(auto blendShapes = node.GetChild(BLEND_SHAPES))
901 meshDef.mBlendShapes.resize(blendShapes->Size());
904 for(auto it = blendShapes->CBegin(), endIt = blendShapes->CEnd(); it != endIt; ++it, ++index)
906 // Each blend shape is stored as the difference with the original mesh.
908 auto& blendShapeNode = (*it).second;
910 auto& blendShape = meshDef.mBlendShapes[index];
911 ReadString(blendShapeNode.GetChild("name"), blendShape.name);
912 if(auto position = blendShapeNode.GetChild("positions"))
914 ReadAttribAccessor(position, blendShape.deltas);
916 if(auto normals = blendShapeNode.GetChild("normals"))
918 ReadAttribAccessor(normals, blendShape.normals);
920 if(auto tangents = blendShapeNode.GetChild("tangents"))
922 ReadAttribAccessor(tangents, blendShape.tangents);
924 ReadFloat(blendShapeNode.GetChild("weight"), blendShape.weight);
929 if(ReadBool(node.GetChild("flipV"), flipV))
931 meshDef.mFlags |= flipV * MeshDefinition::FLIP_UVS_VERTICAL;
934 resources.mMeshes.emplace_back(std::move(meshDef), MeshGeometry());
939 void DliLoaderImpl::Impl::ParseMaterials(const TreeNode* materials, DliInputParameter::ConvertColorCode convertColorCode, Dali::Scene3D::Loader::ResourceBundle& resources)
941 for(auto i0 = materials->CBegin(), i1 = materials->CEnd(); i0 != i1; ++i0)
943 auto& node = (*i0).second;
945 MaterialDefinition materialDef;
946 if(auto eEnvironment = node.GetChild("environment"))
948 ReadIndex(eEnvironment, materialDef.mEnvironmentIdx);
949 if(static_cast<unsigned int>(materialDef.mEnvironmentIdx) >= resources.mEnvironmentMaps.size())
951 ExceptionFlinger(ASSERT_LOCATION) << "material " << resources.mMaterials.size() << ": Environment index " << materialDef.mEnvironmentIdx << " out of bounds (" << resources.mEnvironmentMaps.size() << ").";
955 // TODO : need to consider AGIF
956 std::vector<std::string> texturePaths;
957 std::string texturePath;
958 if(ReadString(node.GetChild("albedoMap"), texturePath))
960 ToUnixFileSeparators(texturePath);
961 const auto semantic = MaterialDefinition::ALBEDO;
962 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
963 materialDef.mFlags |= semantic | MaterialDefinition::TRANSPARENCY; // NOTE: only in dli does single / separate ALBEDO texture mean TRANSPARENCY.
965 if(ReadString(node.GetChild("albedoMetallicMap"), texturePath))
967 ToUnixFileSeparators(texturePath);
969 if(MaskMatch(materialDef.mFlags, MaterialDefinition::ALBEDO))
971 mOnError(FormatString("material %d: conflicting semantics; already set %s.", resources.mMaterials.size(), "albedo"));
974 const auto semantic = MaterialDefinition::ALBEDO | MaterialDefinition::METALLIC;
975 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
976 materialDef.mFlags |= semantic;
979 if(ReadString(node.GetChild("metallicRoughnessMap"), texturePath))
981 ToUnixFileSeparators(texturePath);
983 if(MaskMatch(materialDef.mFlags, MaterialDefinition::METALLIC))
985 mOnError(FormatString("material %d: conflicting semantics; already set %s.", resources.mMaterials.size(), "metallic"));
988 const auto semantic = MaterialDefinition::METALLIC | MaterialDefinition::ROUGHNESS;
989 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
990 materialDef.mFlags |= semantic |
991 // We have a metallic-roughhness map and the first texture did not have albedo semantics - we're in the transparency workflow.
992 (MaskMatch(materialDef.mFlags, MaterialDefinition::ALBEDO) * MaterialDefinition::TRANSPARENCY);
995 if(ReadString(node.GetChild("normalMap"), texturePath))
997 ToUnixFileSeparators(texturePath);
999 const auto semantic = MaterialDefinition::NORMAL;
1000 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
1001 materialDef.mFlags |= semantic |
1002 // We have a standalone normal map and the first texture did not have albedo semantics - we're in the transparency workflow.
1003 (MaskMatch(materialDef.mFlags, MaterialDefinition::ALBEDO) * MaterialDefinition::TRANSPARENCY);
1006 if(ReadString(node.GetChild("normalRoughnessMap"), texturePath))
1008 ToUnixFileSeparators(texturePath);
1010 if(MaskMatch(materialDef.mFlags, MaterialDefinition::NORMAL))
1012 mOnError(FormatString("material %d: conflicting semantics; already set %s.", resources.mMaterials.size(), "normal"));
1015 if(MaskMatch(materialDef.mFlags, MaterialDefinition::ROUGHNESS))
1017 mOnError(FormatString("material %d: conflicting semantics; already set %s.", resources.mMaterials.size(), "roughness"));
1020 if(MaskMatch(materialDef.mFlags, MaterialDefinition::TRANSPARENCY))
1022 mOnError(FormatString("material %d: conflicting semantics; already set %s.", resources.mMaterials.size(), "transparency"));
1025 const auto semantic = MaterialDefinition::NORMAL | MaterialDefinition::ROUGHNESS;
1026 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
1027 materialDef.mFlags |= semantic;
1030 if(ReadString(node.GetChild("subsurfaceMap"), texturePath))
1032 ToUnixFileSeparators(texturePath);
1034 const auto semantic = MaterialDefinition::SUBSURFACE;
1035 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
1036 materialDef.mFlags |= semantic;
1039 if(ReadString(node.GetChild("occlusionMap"), texturePath))
1041 ToUnixFileSeparators(texturePath);
1042 const auto semantic = MaterialDefinition::OCCLUSION;
1043 materialDef.mTextureStages.push_back({semantic, TextureDefinition{std::move(texturePath)}});
1044 materialDef.mFlags |= semantic;
1047 if(ReadColorCodeOrColor(&node, materialDef.mColor, convertColorCode) &&
1048 materialDef.mColor.a < 1.0f)
1050 materialDef.mFlags |= MaterialDefinition::TRANSPARENCY;
1053 ReadFloat(node.GetChild("metallic"), materialDef.mMetallic);
1054 ReadFloat(node.GetChild("roughness"), materialDef.mRoughness);
1057 if(ReadBool(node.GetChild("mipmap"), mipmaps) && mipmaps)
1059 for(auto& ts : materialDef.mTextureStages)
1061 ts.mTexture.mSamplerFlags |= SamplerFlags::FILTER_MIPMAP_LINEAR;
1065 resources.mMaterials.emplace_back(std::move(materialDef), TextureSet());
1069 void DliLoaderImpl::Impl::ParseNodes(const TreeNode* const nodes, Index index, LoadParams& params)
1071 std::vector<Index> parents;
1074 struct IndexMapper : IIndexMapper
1076 IndexMapper(size_t numNodes)
1078 mIndices.reserve(numNodes);
1081 virtual bool Map(Index iDli, Index iScene) override
1083 Entry idx{iDli, iScene};
1084 auto iInsert = std::lower_bound(mIndices.begin(), mIndices.end(), idx);
1085 if(iInsert == mIndices.end() || iInsert->iDli != iDli)
1087 mIndices.insert(iInsert, idx);
1089 else if(iInsert->iScene != iScene)
1096 virtual unsigned int Resolve(Index iDli) override
1098 auto iFind = std::lower_bound(mIndices.begin(), mIndices.end(), iDli, [](const Entry& idx, Index iDli) { return idx.iDli < iDli; });
1099 DALI_ASSERT_ALWAYS(iFind != mIndices.end());
1100 return iFind->iScene;
1107 unsigned int iScene;
1109 bool operator<(const Entry& other) const
1111 return iDli < other.iDli;
1114 std::vector<Entry> mIndices;
1115 } mapper(nodes->Size());
1116 ParseNodesInternal(nodes, index, parents, params, mapper);
1118 auto& scene = params.output->mScene;
1119 for(size_t i0 = 0, i1 = scene.GetNodeCount(); i0 < i1; ++i0)
1121 for(auto& c : scene.GetNode(i0)->mConstraints)
1123 c.mSourceIdx = mapper.Resolve(c.mSourceIdx);
1128 void DliLoaderImpl::Impl::ParseNodesInternal(const TreeNode* const nodes, Index index, std::vector<Index>& inOutParentStack, LoadParams& params, IIndexMapper& mapper)
1130 // Properties that may be resolved from a JSON value with ReadInt() -- or default to 0.
1131 struct IndexProperty
1133 ResourceType::Value type;
1134 const TreeNode* source;
1137 std::vector<IndexProperty> resourceIds;
1138 resourceIds.reserve(4);
1140 if(auto node = GetNthChild(nodes, index))
1142 Dali::Scene3D::Loader::NodeDefinition nodeDef;
1143 nodeDef.mParentIdx = inOutParentStack.empty() ? INVALID_INDEX : inOutParentStack.back();
1146 ReadString(node->GetChild(NAME), nodeDef.mName);
1149 ReadModelTransform(node, nodeDef.mOrientation, nodeDef.mPosition, nodeDef.mScale);
1151 // Reads the size of the node.
1153 // * It can be given as 'size' or 'bounds'.
1154 // * The sdk saves the 'size' as a vector2 in some cases.
1155 // * To avoid size related issues the following code attemps
1156 // to read the 'size/bounds' as a vector3 first, if it's
1157 // not successful then reads it as a vector2.
1158 ReadVector(node->GetChild("size"), nodeDef.mSize.AsFloat(), 3) ||
1159 ReadVector(node->GetChild("size"), nodeDef.mSize.AsFloat(), 2) ||
1160 ReadVector(node->GetChild("bounds"), nodeDef.mSize.AsFloat(), 3) ||
1161 ReadVector(node->GetChild("bounds"), nodeDef.mSize.AsFloat(), 2);
1164 ReadBool(node->GetChild("visible"), nodeDef.mIsVisible);
1166 // type classification
1167 if(auto eCustomization = node->GetChild("customization")) // customization
1170 if(ReadString(eCustomization->GetChild("tag"), tag))
1172 nodeDef.mCustomization.reset(new Dali::Scene3D::Loader::NodeDefinition::CustomizationDefinition{tag});
1175 else // something renderable maybe
1177 std::unique_ptr<Dali::Scene3D::Loader::NodeDefinition::Renderable> renderable;
1178 ModelRenderable* modelRenderable = nullptr; // no ownership, aliasing renderable for the right type.
1180 const TreeNode* eRenderable = nullptr;
1181 if((eRenderable = node->GetChild("model")))
1183 // check for mesh before allocating - this can't be missing.
1184 auto eMesh = eRenderable->GetChild("mesh");
1187 ExceptionFlinger(ASSERT_LOCATION) << "node " << nodeDef.mName << ": Missing mesh definition.";
1190 modelRenderable = new ModelRenderable();
1191 renderable.reset(modelRenderable);
1193 resourceIds.push_back({ResourceType::Mesh, eMesh, modelRenderable->mMeshIdx});
1195 else if((eRenderable = node->GetChild("arc")))
1197 // check for mesh before allocating - this can't be missing.
1198 auto eMesh = eRenderable->GetChild("mesh");
1201 ExceptionFlinger(ASSERT_LOCATION) << "node " << nodeDef.mName << ": Missing mesh definition.";
1204 auto arcRenderable = new ArcRenderable;
1205 renderable.reset(arcRenderable);
1206 modelRenderable = arcRenderable;
1208 resourceIds.push_back({ResourceType::Mesh, eMesh, arcRenderable->mMeshIdx});
1210 ReadArcField(eRenderable, *arcRenderable);
1213 if(renderable && eRenderable != nullptr) // process common properties of all renderables + register payload
1216 renderable->mShaderIdx = 0;
1217 auto eShader = eRenderable->GetChild("shader");
1220 resourceIds.push_back({ResourceType::Shader, eShader, renderable->mShaderIdx});
1226 modelRenderable->mMaterialIdx = 0; // must offer default of 0
1227 auto eMaterial = eRenderable->GetChild("material");
1230 resourceIds.push_back({ResourceType::Material, eMaterial, modelRenderable->mMaterialIdx});
1233 if(!ReadColorCodeOrColor(eRenderable, modelRenderable->mColor, params.input->mConvertColorCode))
1235 ReadColorCodeOrColor(node, modelRenderable->mColor, params.input->mConvertColorCode);
1239 nodeDef.mRenderables.push_back(std::move(renderable));
1243 // Resolve ints - default to 0 if undefined
1244 auto& output = params.output;
1245 for(auto& idRes : resourceIds)
1250 case ResourceType::Shader:
1251 iCheck = output->mResources.mShaders.size();
1254 case ResourceType::Mesh:
1255 iCheck = output->mResources.mMeshes.size();
1258 case ResourceType::Material:
1259 iCheck = output->mResources.mMaterials.size();
1263 ExceptionFlinger(ASSERT_LOCATION) << "node " << index << ": Invalid resource type: " << idRes.type << " (Programmer error)";
1270 else if(idRes.source->GetType() != TreeNode::INTEGER)
1272 ExceptionFlinger(ASSERT_LOCATION) << "node " << index << ": Invalid " << GetResourceTypeName(idRes.type) << " index type.";
1276 idRes.target = idRes.source->GetInteger();
1279 if(idRes.target >= iCheck)
1281 ExceptionFlinger(ASSERT_LOCATION) << "node " << index << ": " << GetResourceTypeName(idRes.type) << " index " << idRes.target << " out of bounds (" << iCheck << ").";
1284 resourceIds.clear();
1287 if(auto eExtras = node->GetChild("extras"))
1289 auto& extras = nodeDef.mExtras;
1290 extras.reserve(eExtras->Size());
1292 for(auto i0 = eExtras->CBegin(), i1 = eExtras->CEnd(); i0 != i1; ++i0)
1294 Dali::Scene3D::Loader::NodeDefinition::Extra e;
1297 e.mKey = eExtra.first;
1300 mOnError(FormatString("node %d: empty string is invalid for name of extra %d; ignored.",
1306 e.mValue = ReadPropertyValue(eExtra.second);
1307 if(e.mValue.GetType() == Property::Type::NONE)
1309 mOnError(FormatString("node %d: failed to interpret value of extra '%s' : %s; ignored.",
1312 eExtra.second.GetString()));
1316 auto iInsert = std::lower_bound(extras.begin(), extras.end(), e);
1317 if(iInsert != extras.end() && iInsert->mKey == e.mKey)
1319 mOnError(FormatString("node %d: extra '%s' already defined; overriding with %s.",
1322 eExtra.second.GetString()));
1323 *iInsert = std::move(e);
1327 extras.insert(iInsert, e);
1334 if(auto eConstraints = node->GetChild("constraints"))
1336 auto& constraints = nodeDef.mConstraints;
1337 constraints.reserve(eConstraints->Size());
1339 ConstraintDefinition cDef;
1340 for(auto i0 = eConstraints->CBegin(), i1 = eConstraints->CEnd(); i0 != i1; ++i0)
1342 auto eConstraint = *i0;
1343 if(!ReadIndex(&eConstraint.second, cDef.mSourceIdx))
1345 mOnError(FormatString("node %d: node ID %s for constraint %d is invalid; ignored.",
1347 eConstraint.second.GetString(),
1348 constraints.size()));
1352 cDef.mProperty = eConstraint.first;
1354 auto iInsert = std::lower_bound(constraints.begin(), constraints.end(), cDef);
1355 if(iInsert != constraints.end() && *iInsert == cDef)
1357 mOnError(FormatString("node %d: constraint %s@%d already defined; ignoring.",
1359 cDef.mProperty.c_str(),
1364 constraints.insert(iInsert, cDef);
1370 // Determine index for mapping
1371 const unsigned int myIndex = output->mScene.GetNodeCount();
1372 if(!mapper.Map(index, myIndex))
1374 mOnError(FormatString("node %d: error mapping dli index %d: node has multiple parents. Ignoring subtree.", index, myIndex));
1378 // if the node is a bone in a skeletal animation, it will have the inverse bind pose matrix.
1379 Matrix invBindMatrix{false};
1380 if(ReadVector(node->GetChild("inverseBindPoseMatrix"), invBindMatrix.AsFloat(), 16u)) // TODO: more robust error checking?
1382 mInverseBindMatrices[myIndex] = invBindMatrix;
1386 auto rawDef = output->mScene.AddNode(std::make_unique<Dali::Scene3D::Loader::NodeDefinition>(std::move(nodeDef)));
1387 if(rawDef) // NOTE: no ownership. Guaranteed to stay in scope.
1389 // ...And only then parse children.
1390 if(auto children = node->GetChild("children"))
1392 inOutParentStack.push_back(myIndex);
1394 rawDef->mChildren.reserve(children->Size());
1396 uint32_t iChild = 0;
1397 for(auto j0 = children->CBegin(), j1 = children->CEnd(); j0 != j1; ++j0, ++iChild)
1399 auto& child = (*j0).second;
1400 if(child.GetType() == TreeNode::INTEGER)
1402 ParseNodesInternal(nodes, child.GetInteger(), inOutParentStack, params, mapper); // child object is created in scene definition.
1406 ExceptionFlinger(ASSERT_LOCATION) << "node " << index << ", child " << iChild << ": invalid index type.";
1410 inOutParentStack.pop_back();
1412 else if(rawDef->mCustomization)
1414 mOnError(FormatString("node %d: not an actual customization without children.", index));
1417 if(auto proc = params.input->mNodePropertyProcessor) // optional processing
1419 // WARNING: constraint IDs are not resolved at this point.
1420 Property::Map nodeData;
1421 ParseProperties(*node, nodeData);
1422 proc(*rawDef, std::move(nodeData), mOnError);
1427 ExceptionFlinger(ASSERT_LOCATION) << "Node " << index << ": name already used.";
1432 void DliLoaderImpl::Impl::ParseAnimations(const TreeNode* tnAnimations, LoadParams& params)
1434 auto& definitions = params.output->mAnimationDefinitions;
1435 definitions.reserve(definitions.size() + tnAnimations->Size());
1437 for(TreeNode::ConstIterator iAnim = tnAnimations->CBegin(), iAnimEnd = tnAnimations->CEnd();
1441 const TreeNode& tnAnim = (*iAnim).second;
1442 AnimationDefinition animDef;
1443 ReadString(tnAnim.GetChild(NAME), animDef.mName);
1445 auto iFind = std::lower_bound(definitions.begin(), definitions.end(), animDef, [](const AnimationDefinition& ad0, const AnimationDefinition& ad1) { return ad0.mName < ad1.mName; });
1446 const bool overwrite = iFind != definitions.end() && iFind->mName == animDef.mName;
1449 mOnError(FormatString("Pre-existing animation with name '%s' is being overwritten.", animDef.mName.c_str()));
1452 // Duration -- We need something that animated properties' delay / duration can
1453 // be expressed as a multiple of; 0 won't work. This is small enough (i.e. shorter
1454 // than our frame delay) to not be restrictive WRT replaying. If anything needs
1455 // to occur more frequently, then Animations are likely not your solution anyway.
1456 animDef.mDuration = AnimationDefinition::MIN_DURATION_SECONDS;
1457 if(!ReadFloat(tnAnim.GetChild("duration"), animDef.mDuration))
1459 mOnError(FormatString("Animation '%s' fails to define '%s', defaulting to %f.",
1460 animDef.mName.c_str(),
1462 animDef.mDuration));
1465 // Get loop count - # of playbacks. Default is once. 0 means repeat indefinitely.
1466 animDef.mLoopCount = 1;
1467 if(ReadInt(tnAnim.GetChild("loopCount"), animDef.mLoopCount) &&
1468 animDef.mLoopCount < 0)
1470 animDef.mLoopCount = 0;
1473 std::string endAction;
1474 if(ReadString(tnAnim.GetChild("endAction"), endAction))
1476 if("BAKE" == endAction)
1478 animDef.mEndAction = Animation::BAKE;
1480 else if("DISCARD" == endAction)
1482 animDef.mEndAction = Animation::DISCARD;
1484 else if("BAKE_FINAL" == endAction)
1486 animDef.mEndAction = Animation::BAKE_FINAL;
1490 if(ReadString(tnAnim.GetChild("disconnectAction"), endAction))
1492 if("BAKE" == endAction)
1494 animDef.mDisconnectAction = Animation::BAKE;
1496 else if("DISCARD" == endAction)
1498 animDef.mDisconnectAction = Animation::DISCARD;
1500 else if("BAKE_FINAL" == endAction)
1502 animDef.mDisconnectAction = Animation::BAKE_FINAL;
1506 if(const TreeNode* tnProperties = tnAnim.GetChild("properties"))
1508 animDef.mProperties.reserve(tnProperties->Size());
1509 for(TreeNode::ConstIterator iProperty = tnProperties->CBegin(), iPropertyEnd = tnProperties->CEnd();
1510 iProperty != iPropertyEnd;
1513 const TreeNode& tnProperty = (*iProperty).second;
1515 AnimatedProperty animProp;
1516 if(!ReadString(tnProperty.GetChild("node"), animProp.mNodeName))
1518 mOnError(FormatString("Animation '%s': Failed to read the 'node' tag.", animDef.mName.c_str()));
1522 if(!ReadString(tnProperty.GetChild("property"), animProp.mPropertyName))
1524 mOnError(FormatString("Animation '%s': Failed to read the 'property' tag", animDef.mName.c_str()));
1528 // these are the defaults
1529 animProp.mTimePeriod.delaySeconds = 0.f;
1530 animProp.mTimePeriod.durationSeconds = animDef.mDuration;
1531 if(!ReadTimePeriod(tnProperty.GetChild("timePeriod"), animProp.mTimePeriod))
1533 mOnError(FormatString("Animation '%s': timePeriod missing in Property #%d: defaulting to %f.",
1534 animDef.mName.c_str(),
1535 animDef.mProperties.size(),
1536 animProp.mTimePeriod.durationSeconds));
1539 std::string alphaFunctionValue;
1540 if(ReadString(tnProperty.GetChild("alphaFunction"), alphaFunctionValue))
1542 animProp.mAlphaFunction = GetAlphaFunction(alphaFunctionValue);
1545 if(const TreeNode* tnKeyFramesBin = tnProperty.GetChild("keyFramesBin"))
1547 DALI_ASSERT_ALWAYS(!animProp.mPropertyName.empty() && "Animation must specify a property name");
1549 std::ifstream binAniFile;
1550 std::string animationFilename;
1551 if(ReadString(tnKeyFramesBin->GetChild(URL), animationFilename))
1553 std::string animationFullPath = params.input->mAnimationsPath + animationFilename;
1554 binAniFile.open(animationFullPath, std::ios::binary);
1555 if(binAniFile.fail())
1557 ExceptionFlinger(ASSERT_LOCATION) << "Failed to open animation data '" << animationFullPath << "'";
1562 ReadInt(tnKeyFramesBin->GetChild("byteOffset"), byteOffset);
1563 DALI_ASSERT_ALWAYS(byteOffset >= 0);
1565 binAniFile.seekg(byteOffset, std::ios::beg);
1568 ReadInt(tnKeyFramesBin->GetChild("numKeys"), numKeys);
1569 DALI_ASSERT_ALWAYS(numKeys >= 0);
1571 animProp.mKeyFrames = KeyFrames::New();
1573 // In binary animation file only is saved the position, rotation, scale and blend shape weight keys.
1574 // so, if it is vector3 we assume is position or scale keys, if it is vector4 we assume is rotation,
1575 // otherwise are blend shape weight keys.
1576 // TODO support for binary header with size information
1577 Property::Type propType = Property::FLOAT; // assume blend shape weights
1578 if(animProp.mPropertyName == "orientation")
1580 propType = Property::VECTOR4;
1582 else if((animProp.mPropertyName == "position") || (animProp.mPropertyName == "scale"))
1584 propType = Property::VECTOR3;
1587 // alphafunction is reserved for future implementation
1588 // NOTE: right now we're just using AlphaFunction::LINEAR.
1589 unsigned char dummyAlphaFunction;
1592 Property::Value propValue;
1593 for(int key = 0; key < numKeys; key++)
1595 binAniFile.read(reinterpret_cast<char*>(&progress), sizeof(float));
1596 if(propType == Property::VECTOR3)
1599 binAniFile.read(reinterpret_cast<char*>(value.AsFloat()), sizeof(float) * 3);
1600 propValue = Property::Value(value);
1602 else if(propType == Property::VECTOR4)
1605 binAniFile.read(reinterpret_cast<char*>(value.AsFloat()), sizeof(float) * 4);
1606 propValue = Property::Value(Quaternion(value));
1611 binAniFile.read(reinterpret_cast<char*>(&value), sizeof(float));
1612 propValue = Property::Value(value);
1615 binAniFile.read(reinterpret_cast<char*>(&dummyAlphaFunction), sizeof(unsigned char));
1617 animProp.mKeyFrames.Add(progress, propValue, AlphaFunction::LINEAR);
1620 else if(const TreeNode* tnKeyFrames = tnProperty.GetChild("keyFrames"))
1622 DALI_ASSERT_ALWAYS(!animProp.mPropertyName.empty() && "Animation must specify a property name");
1623 animProp.mKeyFrames = KeyFrames::New();
1625 float progress = 0.0f;
1626 for(auto i0 = tnKeyFrames->CBegin(), i1 = tnKeyFrames->CEnd(); i1 != i0; ++i0)
1628 const TreeNode::KeyNodePair& kfKeyChild = *i0;
1629 bool readResult = ReadFloat(kfKeyChild.second.GetChild("progress"), progress);
1630 DALI_ASSERT_ALWAYS(readResult && "Key frame entry must have 'progress'");
1632 const TreeNode* tnValue = kfKeyChild.second.GetChild("value");
1633 DALI_ASSERT_ALWAYS(tnValue && "Key frame entry must have 'value'");
1635 // For the "orientation" property, convert from Vector4 -> Rotation value
1636 // This work-around is preferable to a null-pointer exception in the DALi update thread
1637 Property::Value propValue(ReadPropertyValue(*tnValue));
1638 if(propValue.GetType() == Property::VECTOR4 &&
1639 animProp.mPropertyName == "orientation")
1643 propValue = Property::Value(Quaternion(v.w, v.x, v.y, v.z));
1646 AlphaFunction kfAlphaFunction(AlphaFunction::DEFAULT);
1647 std::string alphaFuncStr;
1648 if(ReadString(kfKeyChild.second.GetChild("alphaFunction"), alphaFuncStr))
1650 kfAlphaFunction = GetAlphaFunction(alphaFuncStr);
1653 animProp.mKeyFrames.Add(progress, propValue, kfAlphaFunction);
1658 const TreeNode* tnValue = tnProperty.GetChild("value");
1661 animProp.mValue.reset(new AnimatedProperty::Value{ReadPropertyValue(*tnValue)});
1662 ReadBool(tnProperty.GetChild("relative"), animProp.mValue->mIsRelative);
1666 mOnError(FormatString("Property '%s' fails to define target value.",
1667 animProp.mPropertyName.c_str()));
1671 animDef.mProperties.push_back(std::move(animProp));
1677 *iFind = std::move(animDef);
1681 iFind = definitions.insert(iFind, std::move(animDef));
1684 if(auto proc = params.input->mAnimationPropertyProcessor) // optional processing
1687 ParseProperties(tnAnim, map);
1688 proc(animDef, std::move(map), mOnError);
1693 void DliLoaderImpl::Impl::ParseAnimationGroups(const Toolkit::TreeNode* tnAnimationGroups, LoadParams& params)
1695 auto& animGroups = params.output->mAnimationGroupDefinitions;
1698 for(auto iGroups = tnAnimationGroups->CBegin(), iGroupsEnd = tnAnimationGroups->CEnd();
1699 iGroups != iGroupsEnd;
1700 ++iGroups, ++numGroups)
1702 const auto& tnGroup = *iGroups;
1703 auto tnName = tnGroup.second.GetChild(NAME);
1704 std::string groupName;
1705 if(!tnName || !ReadString(tnName, groupName))
1707 mOnError(FormatString("Failed to get the name for the Animation group %d; ignoring.", numGroups));
1711 auto iFind = std::lower_bound(animGroups.begin(), animGroups.end(), groupName, [](const AnimationGroupDefinition& group, const std::string& name) { return group.mName < name; });
1712 if(iFind != animGroups.end() && iFind->mName == groupName)
1714 mOnError(FormatString("Animation group with name '%s' already exists; new entries will be merged.", groupName.c_str()));
1718 iFind = animGroups.insert(iFind, AnimationGroupDefinition{});
1721 iFind->mName = groupName;
1723 auto tnAnims = tnGroup.second.GetChild("animations");
1724 if(tnAnims && tnAnims->Size() > 0)
1726 auto& anims = iFind->mAnimations;
1727 anims.reserve(anims.size() + tnAnims->Size());
1728 for(auto iAnims = tnAnims->CBegin(), iAnimsEnd = tnAnims->CEnd(); iAnims != iAnimsEnd; ++iAnims)
1730 anims.push_back((*iAnims).second.GetString());
1736 void DliLoaderImpl::Impl::GetCameraParameters(std::vector<Dali::Scene3D::Loader::CameraParameters>& cameras) const
1738 if(mParser.GetRoot())
1740 if(const TreeNode* jsonCameras = mParser.GetRoot()->GetChild("cameras"))
1742 float dummyFloatArray[4];
1744 cameras.resize(jsonCameras->Size());
1745 auto iCamera = cameras.begin();
1746 for(auto i0 = jsonCameras->CBegin(), i1 = jsonCameras->CEnd(); i0 != i1; ++i0)
1748 auto& jsonCamera = (*i0).second;
1750 ReadFloat(jsonCamera.GetChild("fov"), iCamera->yFovDegree.degree);
1751 ReadFloat(jsonCamera.GetChild("near"), iCamera->zNear);
1752 ReadFloat(jsonCamera.GetChild("far"), iCamera->zFar);
1753 if(ReadVector(jsonCamera.GetChild("orthographic"), dummyFloatArray, 4u))
1755 iCamera->isPerspective = false;
1757 iCamera->orthographicSize = dummyFloatArray[2] * 0.5f;
1758 iCamera->aspectRatio = dummyFloatArray[1] / dummyFloatArray[2];
1761 if(auto jsonMatrix = jsonCamera.GetChild("matrix"))
1763 ReadVector(jsonMatrix, iCamera->matrix.AsFloat(), 16u);
1772 void DliLoaderImpl::Impl::GetLightParameters(std::vector<Dali::Scene3D::Loader::LightParameters>& lights) const
1774 if(mParser.GetRoot())
1776 if(const TreeNode* jsonLights = mParser.GetRoot()->GetChild("lights"))
1778 lights.resize(jsonLights->Size());
1779 auto iLight = lights.begin();
1780 for(auto i0 = jsonLights->CBegin(), i1 = jsonLights->CEnd(); i0 != i1; ++i0)
1782 auto& jsonLight = (*i0).second;
1783 if(!ReadVector(jsonLight.GetChild("matrix"), iLight->transform.AsFloat(), 16))
1786 FormatString("Failed to parse light %d - \"matrix\" child with 16 floats expected.\n",
1787 std::distance(jsonLights->CBegin(), i0)));
1791 int shadowMapSize = 0;
1792 if(ReadInt(jsonLight.GetChild(SHADOW_MAP_SIZE), shadowMapSize) && shadowMapSize < 0)
1795 FormatString("Failed to parse light %d - %s has an invalid value.",
1796 std::distance(jsonLights->CBegin(), i0),
1800 iLight->shadowMapSize = shadowMapSize;
1802 float orthoSize = 0.f;
1803 if(ReadFloat(jsonLight.GetChild(ORTHOGRAPHIC_SIZE), orthoSize) &&
1804 (orthoSize < .0f || std::isnan(orthoSize) || std::isinf(orthoSize)))
1807 FormatString("Failed to parse light %d - %s has an invalid value.",
1808 std::distance(jsonLights->CBegin(), i0),
1809 ORTHOGRAPHIC_SIZE));
1812 iLight->orthographicSize = orthoSize;
1814 if((iLight->shadowMapSize > 0) != (iLight->orthographicSize > .0f))
1816 mOnError(FormatString(
1817 "Light %d: Both shadow map size and orthographic size must be set for shadows to work.",
1818 std::distance(jsonLights->CBegin(), i0)));
1821 if(!ReadVector(jsonLight.GetChild("color"), iLight->color.AsFloat(), 3)) // color is optional
1823 iLight->color = Vector3::ONE; // default to white
1826 if(!ReadFloat(jsonLight.GetChild("intensity"), iLight->intensity)) // intensity is optional
1828 iLight->intensity = 1.0f; // default to 1.0
1831 if(!ReadFloat(jsonLight.GetChild("shadowIntensity"), iLight->shadowIntensity)) // intensity is optional
1833 iLight->shadowIntensity = 1.0f; // default to 1.0
1842 } // namespace Internal
1843 } // namespace Loader
1844 } // namespace Scene3D