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Add updateBoundingBox parameter to IMeshBuffer::append and some fixes and optimizations

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Fix: When appending to an empty mesh boundingbox has to be initialized with first position
Adding updateBoundingBox parameter as there is a bit costs involved in updating that and it might not be necessary at that point
Default is still to do it - and with the default parameter it's at least compile compatible to old interface (unless users created their own meshbuffers).
Optimizing the copying of vertices in CDynamicMeshBuffer::append by using memset when possible instead of pushing each vertex (which goes through quite a few virtual functions)

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6496 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien
2023-05-17 14:31:50 +00:00
parent 7c92944860
commit a44e5e3d17
6 changed files with 70 additions and 39 deletions
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4
include/SSkinMeshBuffer.h
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@ -355,10 +355,10 @@ struct SSkinMeshBuffer : public IMeshBuffer
}
//! append the vertices and indices to the current buffer
virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices) IRR_OVERRIDE {}
virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices, bool updateBoundingBox) IRR_OVERRIDE {}
//! append the meshbuffer to the current buffer
virtual void append(const IMeshBuffer* const other) IRR_OVERRIDE {}
virtual void append(const IMeshBuffer* const other, bool updateBoundingBox) IRR_OVERRIDE {}
//! get the current hardware mapping hint for vertex buffers
virtual E_HARDWARE_MAPPING getHardwareMappingHint_Vertex() const IRR_OVERRIDE