17bd28b0ce
Initial implementation of the converted from .obj and .dae file to the renderscript file format. Change-Id: I47f4ecf0fb68515914b660dd3d548afa1920d79c
121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ColladaLoader.h"
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#include "ColladaConditioner.h"
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#include "ColladaGeometry.h"
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#include "rsContext.h"
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#include "rsFileA3D.h"
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#include <dae.h>
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#include <dom/domCOLLADA.h>
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ColladaLoader::ColladaLoader() {
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}
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ColladaLoader::~ColladaLoader() {
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clearGeometry();
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}
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void ColladaLoader::clearGeometry() {
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for (uint32_t i = 0; i < mGeometries.size(); i++) {
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delete mGeometries[i];
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}
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mGeometries.clear();
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}
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bool ColladaLoader::init(const char *colladaFile) {
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DAE dae;
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clearGeometry();
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bool convertSuceeded = true;
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domCOLLADA* root = dae.open(colladaFile);
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if (!root) {
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fprintf(stderr, "Failed to read file %s.\n", colladaFile);
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return false;
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}
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// We only want to deal with triangulated meshes since rendering complex polygons is not feasible
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ColladaConditioner conditioner;
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conditioner.triangulate(&dae);
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domLibrary_geometries *allGeometry = daeSafeCast<domLibrary_geometries>(root->getDescendant("library_geometries"));
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if (allGeometry) {
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convertSuceeded = convertAllGeometry(allGeometry) && convertSuceeded;
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}
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return convertSuceeded;
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}
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bool ColladaLoader::convertToA3D(const char *a3dFile) {
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if (mGeometries.size() == 0) {
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return false;
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}
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// Now write all this stuff out
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Context rsc;
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FileA3D file(&rsc);
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for (uint32_t i = 0; i < mGeometries.size(); i++) {
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Mesh *exportedMesh = mGeometries[i]->getMesh(&rsc);
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file.appendToFile(exportedMesh);
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delete exportedMesh;
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}
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file.writeFile(a3dFile);
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return true;
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}
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bool ColladaLoader::convertAllGeometry(domLibrary_geometries *allGeometry) {
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bool convertSuceeded = true;
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domGeometry_Array &geo_array = allGeometry->getGeometry_array();
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for (size_t i = 0; i < geo_array.getCount(); i++) {
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domGeometry *geometry = geo_array[i];
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const char *geometryName = geometry->getName();
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if (geometryName == NULL) {
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geometryName = geometry->getId();
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}
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domMeshRef mesh = geometry->getMesh();
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if (mesh != NULL) {
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printf("Converting geometry: %s\n", geometryName);
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convertSuceeded = convertGeometry(geometry) && convertSuceeded;
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} else {
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printf("Skipping geometry: %s, unsupported type\n", geometryName);
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}
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}
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return convertSuceeded;
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}
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bool ColladaLoader::convertGeometry(domGeometry *geometry) {
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bool convertSuceeded = true;
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domMeshRef mesh = geometry->getMesh();
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ColladaGeometry *convertedGeo = new ColladaGeometry();
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convertedGeo->init(geometry);
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mGeometries.push_back(convertedGeo);
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return convertSuceeded;
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}
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