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Diffstat (limited to 'libs/assimp/code/Common/ScenePreprocessor.cpp')
| -rw-r--r-- | libs/assimp/code/Common/ScenePreprocessor.cpp | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/libs/assimp/code/Common/ScenePreprocessor.cpp b/libs/assimp/code/Common/ScenePreprocessor.cpp deleted file mode 100644 index 2ef291e..0000000 --- a/libs/assimp/code/Common/ScenePreprocessor.cpp +++ /dev/null @@ -1,285 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2022, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -#include "ScenePreprocessor.h" -#include <assimp/ai_assert.h> -#include <assimp/scene.h> -#include <assimp/DefaultLogger.hpp> - -using namespace Assimp; - -// --------------------------------------------------------------------------------------------- -void ScenePreprocessor::ProcessScene() { - ai_assert(scene != nullptr); - - // Process all meshes - for (unsigned int i = 0; i < scene->mNumMeshes; ++i) { - if (nullptr == scene->mMeshes[i]) { - continue; - } - ProcessMesh(scene->mMeshes[i]); - } - - // - nothing to do for nodes for the moment - // - nothing to do for textures for the moment - // - nothing to do for lights for the moment - // - nothing to do for cameras for the moment - - // Process all animations - for (unsigned int i = 0; i < scene->mNumAnimations; ++i) { - if (nullptr == scene->mAnimations[i]) { - continue; - } - ProcessAnimation(scene->mAnimations[i]); - } - - // Generate a default material if none was specified - if (!scene->mNumMaterials && scene->mNumMeshes) { - scene->mMaterials = new aiMaterial *[2]; - aiMaterial *helper; - - aiString name; - - scene->mMaterials[scene->mNumMaterials] = helper = new aiMaterial(); - aiColor3D clr(0.6f, 0.6f, 0.6f); - helper->AddProperty(&clr, 1, AI_MATKEY_COLOR_DIFFUSE); - - // setup the default name to make this material identifiable - name.Set(AI_DEFAULT_MATERIAL_NAME); - helper->AddProperty(&name, AI_MATKEY_NAME); - - ASSIMP_LOG_DEBUG("ScenePreprocessor: Adding default material \'" AI_DEFAULT_MATERIAL_NAME "\'"); - - for (unsigned int i = 0; i < scene->mNumMeshes; ++i) { - if (nullptr == scene->mMeshes[i]) { - continue; - } - scene->mMeshes[i]->mMaterialIndex = scene->mNumMaterials; - } - - scene->mNumMaterials++; - } -} - -// --------------------------------------------------------------------------------------------- -void ScenePreprocessor::ProcessMesh(aiMesh *mesh) { - // If aiMesh::mNumUVComponents is *not* set assign the default value of 2 - for (unsigned int i = 0; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) { - if (!mesh->mTextureCoords[i]) { - mesh->mNumUVComponents[i] = 0; - } else { - if (!mesh->mNumUVComponents[i]) { - mesh->mNumUVComponents[i] = 2; - } - - aiVector3D *p = mesh->mTextureCoords[i], *end = p + mesh->mNumVertices; - - // Ensure unused components are zeroed. This will make 1D texture channels work - // as if they were 2D channels .. just in case an application doesn't handle - // this case - if (2 == mesh->mNumUVComponents[i]) { - for (; p != end; ++p) { - p->z = 0.f; - } - } else if (1 == mesh->mNumUVComponents[i]) { - for (; p != end; ++p) { - p->z = p->y = 0.f; - } - } else if (3 == mesh->mNumUVComponents[i]) { - // Really 3D coordinates? Check whether the third coordinate is != 0 for at least one element - for (; p != end; ++p) { - if (p->z != 0) { - break; - } - } - if (p == end) { - ASSIMP_LOG_WARN("ScenePreprocessor: UVs are declared to be 3D but they're obviously not. Reverting to 2D."); - mesh->mNumUVComponents[i] = 2; - } - } - } - } - - // If the information which primitive types are there in the - // mesh is currently not available, compute it. - if (!mesh->mPrimitiveTypes) { - for (unsigned int a = 0; a < mesh->mNumFaces; ++a) { - aiFace &face = mesh->mFaces[a]; - switch (face.mNumIndices) { - case 3u: - mesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE; - break; - - case 2u: - mesh->mPrimitiveTypes |= aiPrimitiveType_LINE; - break; - - case 1u: - mesh->mPrimitiveTypes |= aiPrimitiveType_POINT; - break; - - default: - mesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON; - break; - } - } - } - - // If tangents and normals are given but no bitangents compute them - if (mesh->mTangents && mesh->mNormals && !mesh->mBitangents) { - mesh->mBitangents = new aiVector3D[mesh->mNumVertices]; - for (unsigned int i = 0; i < mesh->mNumVertices; ++i) { - mesh->mBitangents[i] = mesh->mNormals[i] ^ mesh->mTangents[i]; - } - } -} - -// --------------------------------------------------------------------------------------------- -void ScenePreprocessor::ProcessAnimation(aiAnimation *anim) { - double first = 10e10, last = -10e10; - for (unsigned int i = 0; i < anim->mNumChannels; ++i) { - aiNodeAnim *channel = anim->mChannels[i]; - - // If the exact duration of the animation is not given - // compute it now. - if (anim->mDuration == -1.) { - // Position keys - for (unsigned int j = 0; j < channel->mNumPositionKeys; ++j) { - aiVectorKey &key = channel->mPositionKeys[j]; - first = std::min(first, key.mTime); - last = std::max(last, key.mTime); - } - - // Scaling keys - for (unsigned int j = 0; j < channel->mNumScalingKeys; ++j) { - aiVectorKey &key = channel->mScalingKeys[j]; - first = std::min(first, key.mTime); - last = std::max(last, key.mTime); - } - - // Rotation keys - for (unsigned int j = 0; j < channel->mNumRotationKeys; ++j) { - aiQuatKey &key = channel->mRotationKeys[j]; - first = std::min(first, key.mTime); - last = std::max(last, key.mTime); - } - } - - // Check whether the animation channel has no rotation - // or position tracks. In this case we generate a dummy - // track from the information we have in the transformation - // matrix of the corresponding node. - if (!channel->mNumRotationKeys || !channel->mNumPositionKeys || !channel->mNumScalingKeys) { - // Find the node that belongs to this animation - aiNode *node = scene->mRootNode->FindNode(channel->mNodeName); - if (node) // ValidateDS will complain later if 'node' is nullptr - { - // Decompose the transformation matrix of the node - aiVector3D scaling, position; - aiQuaternion rotation; - - node->mTransformation.Decompose(scaling, rotation, position); - - // No rotation keys? Generate a dummy track - if (!channel->mNumRotationKeys) { - if (channel->mRotationKeys) { - delete[] channel->mRotationKeys; - channel->mRotationKeys = nullptr; - } - ai_assert(!channel->mRotationKeys); - channel->mNumRotationKeys = 1; - channel->mRotationKeys = new aiQuatKey[1]; - aiQuatKey &q = channel->mRotationKeys[0]; - - q.mTime = 0.; - q.mValue = rotation; - - ASSIMP_LOG_VERBOSE_DEBUG("ScenePreprocessor: Dummy rotation track has been generated"); - } else { - ai_assert(channel->mRotationKeys); - } - - // No scaling keys? Generate a dummy track - if (!channel->mNumScalingKeys) { - if (channel->mScalingKeys) { - delete[] channel->mScalingKeys; - channel->mScalingKeys = nullptr; - } - ai_assert(!channel->mScalingKeys); - channel->mNumScalingKeys = 1; - channel->mScalingKeys = new aiVectorKey[1]; - aiVectorKey &q = channel->mScalingKeys[0]; - - q.mTime = 0.; - q.mValue = scaling; - - ASSIMP_LOG_VERBOSE_DEBUG("ScenePreprocessor: Dummy scaling track has been generated"); - } else { - ai_assert(channel->mScalingKeys); - } - - // No position keys? Generate a dummy track - if (!channel->mNumPositionKeys) { - if (channel->mPositionKeys) { - delete[] channel->mPositionKeys; - channel->mPositionKeys = nullptr; - } - ai_assert(!channel->mPositionKeys); - channel->mNumPositionKeys = 1; - channel->mPositionKeys = new aiVectorKey[1]; - aiVectorKey &q = channel->mPositionKeys[0]; - - q.mTime = 0.; - q.mValue = position; - - ASSIMP_LOG_VERBOSE_DEBUG("ScenePreprocessor: Dummy position track has been generated"); - } else { - ai_assert(channel->mPositionKeys); - } - } - } - } - - if (anim->mDuration == -1.) { - ASSIMP_LOG_VERBOSE_DEBUG("ScenePreprocessor: Setting animation duration"); - anim->mDuration = last - std::min(first, 0.); - } -} |