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Collada loader can now handle 32-bit meshbuffers

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6480 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2023-04-29 15:12:49 +00:00
parent 55e29d3347
commit 1b4912fcc4
2 changed files with 32 additions and 24 deletions
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55
source/Irrlicht/CColladaFileLoader.cpp
View File

@@ -20,11 +20,12 @@
#include "IAttributes.h"
#include "IMeshCache.h"
#include "IMeshSceneNode.h"
#include "SMeshBufferLightMap.h"
#include "CDynamicMeshBuffer.h"
#include "irrMap.h"
#ifdef _DEBUG
#define COLLADA_READER_DEBUG
// Lots of messages, with how slow some consoles are loading can then take minutes
// #define COLLADA_READER_DEBUG
#endif
namespace irr
{
@@ -2123,16 +2124,16 @@ void CColladaFileLoader::readPolygonSection(io::IXMLReaderUTF8* reader,
{
// standard mesh buffer
scene::SMeshBuffer* mbuffer = new SMeshBuffer();
scene::CDynamicMeshBuffer* mbuffer = new CDynamicMeshBuffer(video::EVT_STANDARD, IndexTypeHint == EITH_16BIT ? video::EIT_16BIT : video::EIT_32BIT);
buffer = mbuffer;
core::map<video::S3DVertex, int> vertMap;
for (u32 i=0; i<polygons.size(); ++i)
{
core::array<u16> indices;
core::array<u32> indices;
const u32 vertexCount = polygons[i].Indices.size() / maxOffset;
mbuffer->Vertices.reallocate(mbuffer->Vertices.size()+vertexCount);
mbuffer->getVertexBuffer().reallocate(mbuffer->getVertexBuffer().size()+vertexCount);
// for all index/semantic groups
for (u32 v=0; v<polygons[i].Indices.size(); v+=maxOffset)
@@ -2208,7 +2209,7 @@ void CColladaFileLoader::readPolygonSection(io::IXMLReaderUTF8* reader,
else
{
indices.push_back(mbuffer->getVertexCount());
mbuffer->Vertices.push_back(vtx);
mbuffer->getVertexBuffer().push_back(vtx);
vertMap.insert(vtx, mbuffer->getVertexCount()-1);
}
} // end for all vertices
@@ -2221,9 +2222,9 @@ void CColladaFileLoader::readPolygonSection(io::IXMLReaderUTF8* reader,
// as full tessellation is problematic
for (u32 ind = 0; ind+2 < indices.size(); ++ind)
{
mbuffer->Indices.push_back(indices[0]);
mbuffer->Indices.push_back(indices[ind+2]);
mbuffer->Indices.push_back(indices[ind+1]);
mbuffer->getIndexBuffer().push_back(indices[0]);
mbuffer->getIndexBuffer().push_back(indices[ind+2]);
mbuffer->getIndexBuffer().push_back(indices[ind+1]);
}
}
else
@@ -2231,25 +2232,30 @@ void CColladaFileLoader::readPolygonSection(io::IXMLReaderUTF8* reader,
// it's just triangles
for (u32 ind = 0; ind < indices.size(); ind+=3)
{
mbuffer->Indices.push_back(indices[ind+2]);
mbuffer->Indices.push_back(indices[ind+1]);
mbuffer->Indices.push_back(indices[ind+0]);
mbuffer->getIndexBuffer().push_back(indices[ind+2]);
mbuffer->getIndexBuffer().push_back(indices[ind+1]);
mbuffer->getIndexBuffer().push_back(indices[ind+0]);
}
}
} // end for all polygons
if ( getIndexTypeHint() == EITH_OPTIMAL && mbuffer->getVertexCount() <= 65536 )
{
mbuffer->getIndexBuffer().setType(video::EIT_16BIT); // from 32 to 16 bit
}
}
else
{
// lightmap mesh buffer
scene::SMeshBufferLightMap* mbuffer = new SMeshBufferLightMap();
scene::CDynamicMeshBuffer* mbuffer = new CDynamicMeshBuffer(video::EVT_2TCOORDS, IndexTypeHint == EITH_16BIT ? video::EIT_16BIT : video::EIT_32BIT);
buffer = mbuffer;
for (u32 i=0; i<polygons.size(); ++i)
{
const u32 vertexCount = polygons[i].Indices.size() / maxOffset;
mbuffer->Vertices.reallocate(mbuffer->Vertices.size()+vertexCount);
mbuffer->getVertexBuffer().reallocate(mbuffer->getVertexBuffer().size()+vertexCount);
// for all vertices in array
for (u32 v=0; v<polygons[i].Indices.size(); v+=maxOffset)
{
@@ -2321,31 +2327,34 @@ void CColladaFileLoader::readPolygonSection(io::IXMLReaderUTF8* reader,
}
}
mbuffer->Vertices.push_back(vtx);
mbuffer->getVertexBuffer().push_back(vtx);
} // end for all vertices
// add vertex indices
const u32 oldVertexCount = mbuffer->Vertices.size() - vertexCount;
const u32 oldVertexCount = mbuffer->getVertexBuffer().size() - vertexCount;
for (u32 face=0; face<vertexCount-2; ++face)
{
mbuffer->Indices.push_back(oldVertexCount + 0);
mbuffer->Indices.push_back(oldVertexCount + 1 + face);
mbuffer->Indices.push_back(oldVertexCount + 2 + face);
mbuffer->getIndexBuffer().push_back(oldVertexCount + 0);
mbuffer->getIndexBuffer().push_back(oldVertexCount + 1 + face);
mbuffer->getIndexBuffer().push_back(oldVertexCount + 2 + face);
}
} // end for all polygons
if ( getIndexTypeHint() == EITH_OPTIMAL && mbuffer->getVertexCount() <= 65536 )
{
mbuffer->getIndexBuffer().setType(video::EIT_16BIT); // from 32 to 16 bit
}
}
const SColladaMaterial* m = findMaterial(materialName);
if (m)
{
buffer->getMaterial() = m->Mat;
SMesh tmpmesh;
tmpmesh.addMeshBuffer(buffer);
SceneManager->getMeshManipulator()->setVertexColors(&tmpmesh,m->Mat.DiffuseColor);
SceneManager->getMeshManipulator()->setVertexColors(buffer,m->Mat.DiffuseColor);
if (m->Transparency != 1.0f)
SceneManager->getMeshManipulator()->setVertexColorAlpha(&tmpmesh,core::floor32(m->Transparency*255.0f));
SceneManager->getMeshManipulator()->setVertexColorAlpha(buffer,core::floor32(m->Transparency*255.0f));
}
// add future bind reference for the material
core::stringc meshbufferReference = geometryId+"/"+materialName;

1
source/Irrlicht/CColladaFileLoader.h
View File

@@ -10,7 +10,6 @@
#include "IVideoDriver.h"
#include "irrString.h"
#include "SMesh.h"
#include "SMeshBuffer.h"
#include "ISceneManager.h"
#include "irrMap.h"
#include "CAttributes.h"