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stl mesh writer can now write 32 bit meshbuffers.

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6347 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2022-04-20 18:31:03 +00:00
parent 28e092673f
commit 3f2f98d7bd
1 changed files with 50 additions and 15 deletions
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47
source/Irrlicht/CSTLMeshWriter.cpp
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@ -92,11 +92,14 @@ bool CSTLMeshWriter::writeMeshBinary(io::IWriteFile* file, scene::IMesh* mesh, s
{ {
const u32 indexCount = buffer->getIndexCount(); const u32 indexCount = buffer->getIndexCount();
const u16 attributes = 0; const u16 attributes = 0;
if( buffer->getIndexType() == video::EIT_16BIT )
{
const u16* indices = buffer->getIndices();
for (u32 j=0; j<indexCount; j+=3) for (u32 j=0; j<indexCount; j+=3)
{ {
const core::vector3df& v1 = buffer->getPosition(buffer->getIndices()[j]); const core::vector3df& v1 = buffer->getPosition(indices[j]);
const core::vector3df& v2 = buffer->getPosition(buffer->getIndices()[j+1]); const core::vector3df& v2 = buffer->getPosition(indices[j+1]);
const core::vector3df& v3 = buffer->getPosition(buffer->getIndices()[j+2]); const core::vector3df& v3 = buffer->getPosition(indices[j+2]);
const core::plane3df tmpplane(v1,v2,v3); const core::plane3df tmpplane(v1,v2,v3);
file->write(&tmpplane.Normal, 12); file->write(&tmpplane.Normal, 12);
file->write(&v1, 12); file->write(&v1, 12);
@ -105,6 +108,23 @@ bool CSTLMeshWriter::writeMeshBinary(io::IWriteFile* file, scene::IMesh* mesh, s
file->write(&attributes, 2); file->write(&attributes, 2);
} }
} }
else if( buffer->getIndexType() == video::EIT_32BIT )
{
const u32* indices = (const u32*)buffer->getIndices();
for (u32 j=0; j<indexCount; j+=3)
{
const core::vector3df& v1 = buffer->getPosition(indices[j]);
const core::vector3df& v2 = buffer->getPosition(indices[j+1]);
const core::vector3df& v3 = buffer->getPosition(indices[j+2]);
const core::plane3df tmpplane(v1,v2,v3);
file->write(&tmpplane.Normal, 12);
file->write(&v1, 12);
file->write(&v2, 12);
file->write(&v3, 12);
file->write(&attributes, 2);
}
}
}
} }
return true; return true;
} }
@ -127,12 +147,27 @@ bool CSTLMeshWriter::writeMeshASCII(io::IWriteFile* file, scene::IMesh* mesh, s3
if (buffer) if (buffer)
{ {
const u32 indexCount = buffer->getIndexCount(); const u32 indexCount = buffer->getIndexCount();
if ( buffer->getIndexType() == video::EIT_16BIT )
{
const u16* indices = buffer->getIndices();
for (u32 j=0; j<indexCount; j+=3) for (u32 j=0; j<indexCount; j+=3)
{ {
writeFace(file, writeFace(file,
buffer->getPosition(buffer->getIndices()[j]), buffer->getPosition(indices[j]),
buffer->getPosition(buffer->getIndices()[j+1]), buffer->getPosition(indices[j+1]),
buffer->getPosition(buffer->getIndices()[j+2])); buffer->getPosition(indices[j+2]));
}
}
else if ( buffer->getIndexType() == video::EIT_32BIT )
{
const u32* indices = (const u32*)buffer->getIndices();
for (u32 j=0; j<indexCount; j+=3)
{
writeFace(file,
buffer->getPosition(indices[j]),
buffer->getPosition(indices[j+1]),
buffer->getPosition(indices[j+2]));
}
} }
file->write("\n",1); file->write("\n",1);
} }