mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 12:44:46 +00:00
2eaa917e00
Adds new settings to ColladaUtils::ImportSettings and TSShapeConstructor::ImportSettings for persistence. Shape will now be re-imported with the original settings if the source art is newer or the cached.dts file has been deleted. Fixes material transparency blend mode assignment. Adds implementation for override scale, material prefix and always/never import options. Reads and applies metadata fields for scale and up axis from formats that provide it. Eliminates the assimp.log file and redirects log messages to console.log. Verbose logging is enabled in debug builds.
280 lines
9 KiB
C++
280 lines
9 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "platform/platform.h"
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#include "ts/collada/colladaExtensions.h"
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#include "ts/assimp/assimpAppMesh.h"
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#include "ts/assimp/assimpAppNode.h"
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// assimp include files.
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#include <assimp/cimport.h>
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#include <assimp/scene.h>
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#include <assimp/postprocess.h>
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#include <assimp/types.h>
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bool AssimpAppMesh::fixedSizeEnabled = false;
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S32 AssimpAppMesh::fixedSize = 2;
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//------------------------------------------------------------------------------
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AssimpAppMesh::AssimpAppMesh(const struct aiMesh* mesh, AssimpAppNode* node)
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: mMeshData(mesh), appNode(node)
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{
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Con::printf("[ASSIMP] Mesh Created: %s", getName());
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// See if it's a skinned mesh
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mIsSkinMesh = false;
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for (U32 b = 0; b < mesh->mNumBones; b++)
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if (mMeshData->mBones[b]->mNumWeights > 0)
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{
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mIsSkinMesh = true;
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break;
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}
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}
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const char* AssimpAppMesh::getName(bool allowFixed)
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{
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// Some exporters add a 'PIVOT' or unnamed node between the mesh and the
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// actual object node. Detect this and return the object node name instead
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// of the pivot node.
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const char* nodeName = appNode->getName();
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if ( dStrEqual(nodeName, "null") || dStrEndsWith(nodeName, "PIVOT") )
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nodeName = appNode->getParentName();
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// If all geometry is being fixed to the same size, append the size
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// to the name
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return allowFixed && fixedSizeEnabled ? avar("%s %d", nodeName, fixedSize) : nodeName;
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}
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MatrixF AssimpAppMesh::getMeshTransform(F32 time)
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{
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return appNode->getNodeTransform(time);
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}
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void AssimpAppMesh::lockMesh(F32 t, const MatrixF& objOffset)
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{
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// After this function, the following are expected to be populated:
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// points, normals, uvs, primitives, indices
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// There is also colors and uv2s but those don't seem to be required.
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points.reserve(mMeshData->mNumVertices);
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uvs.reserve(mMeshData->mNumVertices);
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normals.reserve(mMeshData->mNumVertices);
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bool flipNormals = ColladaUtils::getOptions().invertNormals;
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bool noUVFound = false;
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for (U32 i = 0; i<mMeshData->mNumVertices; i++)
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{
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// Points and Normals
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aiVector3D pt = mMeshData->mVertices[i];
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aiVector3D nrm;
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if (mMeshData->HasNormals())
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nrm = mMeshData->mNormals[i];
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else
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nrm.Set(0, 0, 0);
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Point3F tmpVert;
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Point3F tmpNormal;
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tmpVert = Point3F(pt.x, pt.y, pt.z);
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tmpNormal = Point3F(nrm.x, nrm.y, nrm.z);
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if (flipNormals)
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tmpNormal *= -1.0f;
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objOffset.mulP(tmpVert);
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points.push_back(tmpVert);
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if (mMeshData->HasTextureCoords(0))
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{
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uvs.push_back(Point2F(mMeshData->mTextureCoords[0][i].x, mMeshData->mTextureCoords[0][i].y));
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}
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else
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{
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// I don't know if there's any solution to this issue.
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// If it's not mapped, it's not mapped.
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noUVFound = true;
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uvs.push_back(Point2F(1, 1));
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}
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// UV2s
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if (mMeshData->HasTextureCoords(1))
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{
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uv2s.push_back(Point2F(mMeshData->mTextureCoords[1][i].x, mMeshData->mTextureCoords[1][i].y));
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}
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// Vertex Colors
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if (mMeshData->HasVertexColors(0))
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{
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LinearColorF vColor(mMeshData->mColors[0][i].r,
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mMeshData->mColors[0][i].g,
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mMeshData->mColors[0][i].b,
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mMeshData->mColors[0][i].a);
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colors.push_back(vColor.toColorI());
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}
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//uvs.push_back(mModel->mVerts[i].texcoord);
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normals.push_back(tmpNormal);
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//edgeVerts.push_back(mModel->mVerts[i].edge);
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}
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U32 numFaces = mMeshData->mNumFaces;
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//primitives.reserve(numFaces);
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//Fetch the number of indices
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U32 indicesCount = 0;
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for (U32 i = 0; i < numFaces; i++)
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{
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indicesCount += mMeshData->mFaces[i].mNumIndices;
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}
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indices.reserve(indicesCount);
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// Create TSMesh primitive
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primitives.increment();
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TSDrawPrimitive& primitive = primitives.last();
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primitive.start = 0;
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primitive.matIndex = (TSDrawPrimitive::Triangles | TSDrawPrimitive::Indexed) | (S32)mMeshData->mMaterialIndex;
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primitive.numElements = indicesCount;
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for ( U32 n = 0; n < mMeshData->mNumFaces; ++n)
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{
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const struct aiFace* face = &mMeshData->mFaces[n];
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if ( face->mNumIndices == 3 )
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{
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U32 indexCount = face->mNumIndices;
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for (U32 ind = 0; ind < indexCount; ind++)
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{
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U32 index = face->mIndices[ind];
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indices.push_back(index);
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}
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}
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else
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{
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Con::printf("[ASSIMP] Non-Triangle Face Found. Indices: %d", face->mNumIndices);
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}
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}
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U32 boneCount = mMeshData->mNumBones;
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bones.setSize(boneCount);
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// Count the total number of weights for all of the bones.
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U32 totalWeights = 0;
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U32 nonZeroWeights = 0;
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for (U32 b = 0; b < boneCount; b++)
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totalWeights += mMeshData->mBones[b]->mNumWeights;
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// Assimp gives weights sorted by bone index. We need them in vertex order.
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Vector<F32> tmpWeight;
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Vector<S32> tmpBoneIndex;
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Vector<S32> tmpVertexIndex;
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tmpWeight.setSize(totalWeights);
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tmpBoneIndex.setSize(totalWeights);
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tmpVertexIndex.setSize(totalWeights);
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for (U32 b = 0; b < boneCount; b++)
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{
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String name = mMeshData->mBones[b]->mName.C_Str();
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aiNode* nodePtr = AssimpAppNode::findChildNodeByName(mMeshData->mBones[b]->mName.C_Str(), appNode->mScene->mRootNode);
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if (!nodePtr)
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bones[b] = new AssimpAppNode(appNode->mScene, appNode->mNode);
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else
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bones[b] = new AssimpAppNode(appNode->mScene, nodePtr);
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MatrixF boneTransform;
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AssimpAppNode::assimpToTorqueMat(mMeshData->mBones[b]->mOffsetMatrix, boneTransform);
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Point3F boneScale = boneTransform.getScale();
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Point3F bonePos = boneTransform.getPosition();
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if (boneScale != Point3F::One && ColladaUtils::getOptions().ignoreNodeScale)
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{
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Point3F scaleMult = Point3F::One / boneScale;
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boneTransform.scale(scaleMult);
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bonePos /= scaleMult;
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}
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bonePos *= ColladaUtils::getOptions().unit;
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boneTransform.setPosition(bonePos);
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initialTransforms.push_back(boneTransform);
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//Weights
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U32 numWeights = mMeshData->mBones[b]->mNumWeights;
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for (U32 w = 0; w < numWeights; ++w)
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{
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aiVertexWeight* aiWeight = &mMeshData->mBones[b]->mWeights[w];
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if (aiWeight->mWeight > 0.0f)
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{
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tmpWeight[nonZeroWeights] = aiWeight->mWeight;
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tmpVertexIndex[nonZeroWeights] = aiWeight->mVertexId;
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tmpBoneIndex[nonZeroWeights] = b;
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nonZeroWeights++;
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}
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}
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}
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weight.setSize(nonZeroWeights);
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vertexIndex.setSize(nonZeroWeights);
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boneIndex.setSize(nonZeroWeights);
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// Copy the weights to our vectors in vertex order and
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// normalize vertex weights (force weights for each vert to sum to 1)
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U32 nextWeight = 0;
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for (U32 i = 0; i < mMeshData->mNumVertices; ++i)
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{
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U32 vertStart = nextWeight;
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F32 invTotalWeight = 0;
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for (U32 ind = 0; ind < nonZeroWeights; ++ind)
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{
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if (tmpVertexIndex[ind] == i)
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{
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weight[nextWeight] = tmpWeight[ind];
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invTotalWeight += tmpWeight[ind];
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vertexIndex[nextWeight] = tmpVertexIndex[ind];
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boneIndex[nextWeight] = tmpBoneIndex[ind];
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nextWeight++;
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}
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}
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// Now normalize the vertex weights
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if (invTotalWeight > 0.0)
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{
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invTotalWeight = 1.0f / invTotalWeight;
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for (U32 ind = vertStart; ind < nextWeight; ++ind)
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weight[ind] *= invTotalWeight;
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}
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}
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if ( noUVFound )
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Con::warnf("[ASSIMP] No UV Data for mesh.");
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}
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void AssimpAppMesh::lookupSkinData()
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{ // This function is intentionally left blank. The skin data - bones, weights and indexes are
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// processed in lockMesh() with the rest of the mesh data.
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}
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F32 AssimpAppMesh::getVisValue(F32 t)
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{
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return 1.0f;
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} |