TorqueGameEngines/Torque3D
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Just the functional assimp lib rather than the entire assimp repository unnecessarily.

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This commit is contained in:
Areloch 2019-02-28 16:37:15 -06:00
parent 0f7641a282
commit e9ea38eda3
1747 changed files with 9012 additions and 925008 deletions
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86
Engine/lib/assimp/code/FindDegenerates.cpp
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@ -3,8 +3,7 @@
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2018, assimp team
Copyright (c) 2006-2017, assimp team
All rights reserved.
@ -50,15 +49,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// internal headers
#include "ProcessHelper.h"
#include "FindDegenerates.h"
#include <assimp/Exceptional.h>
#include "Exceptional.h"
using namespace Assimp;
//remove mesh at position 'index' from the scene
static void removeMesh(aiScene* pScene, unsigned const index);
//correct node indices to meshes and remove references to deleted mesh
static void updateSceneGraph(aiNode* pNode, unsigned const index);
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
FindDegeneratesProcess::FindDegeneratesProcess()
@ -90,52 +84,11 @@ void FindDegeneratesProcess::SetupProperties(const Importer* pImp) {
// ------------------------------------------------------------------------------------------------
// Executes the post processing step on the given imported data.
void FindDegeneratesProcess::Execute( aiScene* pScene) {
ASSIMP_LOG_DEBUG("FindDegeneratesProcess begin");
for (unsigned int i = 0; i < pScene->mNumMeshes;++i)
{
//Do not process point cloud, ExecuteOnMesh works only with faces data
if ((pScene->mMeshes[i]->mPrimitiveTypes != aiPrimitiveType::aiPrimitiveType_POINT) && ExecuteOnMesh(pScene->mMeshes[i])) {
removeMesh(pScene, i);
--i; //the current i is removed, do not skip the next one
}
}
ASSIMP_LOG_DEBUG("FindDegeneratesProcess finished");
}
static void removeMesh(aiScene* pScene, unsigned const index) {
//we start at index and copy the pointers one position forward
//save the mesh pointer to delete it later
auto delete_me = pScene->mMeshes[index];
for (unsigned i = index; i < pScene->mNumMeshes - 1; ++i) {
pScene->mMeshes[i] = pScene->mMeshes[i+1];
}
pScene->mMeshes[pScene->mNumMeshes - 1] = nullptr;
--(pScene->mNumMeshes);
delete delete_me;
//removing a mesh also requires updating all references to it in the scene graph
updateSceneGraph(pScene->mRootNode, index);
}
static void updateSceneGraph(aiNode* pNode, unsigned const index) {
for (unsigned i = 0; i < pNode->mNumMeshes; ++i) {
if (pNode->mMeshes[i] > index) {
--(pNode->mMeshes[i]);
continue;
}
if (pNode->mMeshes[i] == index) {
for (unsigned j = i; j < pNode->mNumMeshes -1; ++j) {
pNode->mMeshes[j] = pNode->mMeshes[j+1];
}
--(pNode->mNumMeshes);
--i;
continue;
}
}
//recurse to all children
for (unsigned i = 0; i < pNode->mNumChildren; ++i) {
updateSceneGraph(pNode->mChildren[i], index);
DefaultLogger::get()->debug("FindDegeneratesProcess begin");
for (unsigned int i = 0; i < pScene->mNumMeshes;++i){
ExecuteOnMesh( pScene->mMeshes[ i ] );
}
DefaultLogger::get()->debug("FindDegeneratesProcess finished");
}
static ai_real heron( ai_real a, ai_real b, ai_real c ) {
@ -171,7 +124,7 @@ static ai_real calculateAreaOfTriangle( const aiFace& face, aiMesh* mesh ) {
// ------------------------------------------------------------------------------------------------
// Executes the post processing step on the given imported mesh
bool FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
void FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
mesh->mPrimitiveTypes = 0;
std::vector<bool> remove_me;
@ -207,7 +160,7 @@ bool FindDegeneratesProcess::ExecuteOnMesh( aiMesh* mesh) {
// NOTE: we set the removed vertex index to an unique value
// to make sure the developer gets notified when his
// application attempts to access this data.
// application attemps to access this data.
face.mIndices[ face.mNumIndices ] = 0xdeadbeef;
if(first) {
@ -273,28 +226,33 @@ evil_jump_outside:
if (&face_src != &face_dest) {
// clear source
face_src.mNumIndices = 0;
face_src.mIndices = nullptr;
face_src.mIndices = NULL;
}
}
else {
// Otherwise delete it if we don't need this face
delete[] face_src.mIndices;
face_src.mIndices = nullptr;
face_src.mIndices = NULL;
face_src.mNumIndices = 0;
}
}
// Just leave the rest of the array unreferenced, we don't care for now
mesh->mNumFaces = n;
if (!mesh->mNumFaces) {
//The whole mesh consists of degenerated faces
//signal upward, that this mesh should be deleted.
ASSIMP_LOG_DEBUG("FindDegeneratesProcess removed a mesh full of degenerated primitives");
return true;
// WTF!?
// OK ... for completeness and because I'm not yet tired,
// let's write code that willl hopefully never be called
// (famous last words)
// OK ... bad idea.
throw DeadlyImportError("Mesh is empty after removal of degenerated primitives ... WTF!?");
}
}
if (deg && !DefaultLogger::isNullLogger()) {
ASSIMP_LOG_WARN_F( "Found ", deg, " degenerated primitives");
if (deg && !DefaultLogger::isNullLogger())
{
char s[64];
ASSIMP_itoa10(s,deg);
DefaultLogger::get()->warn(std::string("Found ") + s + " degenerated primitives");
}
return false;
}