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sort meshes into the order they appeared in the model file so that start and end arguments mean something usefil

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This commit is contained in:
Seth Alves 2015-04-01 17:53:33 -07:00
parent bfab522ee7
commit 06b38615d5
1 changed files with 27 additions and 4 deletions
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31
tools/vhacd/src/VHACDUtil.cpp
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@ -13,6 +13,16 @@
#include "VHACDUtil.h"
// FBXReader jumbles the order of the meshes by reading them back out of a hashtable. This will put
// them back in the order in which they appeared in the file.
bool FBXGeometryLessThan(const FBXMesh& e1, const FBXMesh& e2) {
return e1.meshIndex < e2.meshIndex;
}
void reSortFBXGeometryMeshes(FBXGeometry& geometry) {
qSort(geometry.meshes.begin(), geometry.meshes.end(), FBXGeometryLessThan);
}
// Read all the meshes from provided FBX file
bool vhacd::VHACDUtil::loadFBX(const QString filename, FBXGeometry& result) {
@ -34,10 +44,13 @@ bool vhacd::VHACDUtil::loadFBX(const QString filename, FBXGeometry& result) {
return false;
}
reSortFBXGeometryMeshes(result);
return true;
}
// void vhacd::VHACDUtil::fattenMeshes(vhacd::LoadFBXResults *meshes, vhacd::LoadFBXResults *results) const {
// for (int i = 0; i < meshes->meshCount; i++) {
@ -85,9 +98,6 @@ bool vhacd::VHACDUtil::computeVHACD(FBXGeometry& geometry,
// count the mesh-parts
QVector<FBXMeshPart> meshParts;
int meshCount = 0;
foreach (FBXMesh mesh, geometry.meshes) {
meshCount += mesh.parts.size();
}
VHACD::IVHACD * interfaceVHACD = VHACD::CreateVHACD();
@ -106,9 +116,22 @@ bool vhacd::VHACDUtil::computeVHACD(FBXGeometry& geometry,
int count = 0;
foreach (const FBXMesh& mesh, geometry.meshes) {
// each mesh has its own transform to move it to model-space
std::vector<glm::vec3> vertices;
foreach (glm::vec3 vertex, mesh.vertices) {
vertices.push_back(glm::vec3(mesh.modelTransform * glm::vec4(vertex, 1.0f)));
}
foreach (const FBXMeshPart &meshPart, mesh.parts) {
if (count < startMeshIndex || count >= endMeshIndex) {
count ++;
continue;
}
qDebug() << "--------------------";
std::vector<glm::vec3> vertices = mesh.vertices.toStdVector();
std::vector<int> triangles = meshPart.triangleIndices.toStdVector();
AABox aaBox;