313 lines
7.1 KiB
C++
313 lines
7.1 KiB
C++
// Copyright (C) 2002-2007 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __I_SKIN_MESH_BUFFER_H_INCLUDED__
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#define __I_SKIN_MESH_BUFFER_H_INCLUDED__
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#include "IMeshBuffer.h"
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#include "S3DVertex.h"
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namespace irr
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{
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namespace scene
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{
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//! A mesh buffer able to choose between
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//! S3DVertex2TCoords, S3DVertex and S3DVertexTangents at runtime
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struct SSkinMeshBuffer : public IMeshBuffer
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{
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SSkinMeshBuffer(video::E_VERTEX_TYPE vt=video::EVT_STANDARD) : ChangedID(1),MappingHint(EHM_NEVER),VertexType(vt)
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{
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#ifdef _DEBUG
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setDebugName("SSkinMeshBuffer");
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#endif
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}
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virtual ~SSkinMeshBuffer() {}
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virtual const video::SMaterial& getMaterial() const
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{
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return Material;
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}
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virtual video::SMaterial& getMaterial()
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{
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return Material;
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}
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virtual video::S3DVertex *getVertex(u32 index)
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS: return (video::S3DVertex*)&Vertices_2TCoords[index];
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case video::EVT_TANGENTS: return (video::S3DVertex*)&Vertices_Tangents[index];
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default: return &Vertices_Standard[index];
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}
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}
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virtual const void* getVertices() const
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS: return Vertices_2TCoords.const_pointer();
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case video::EVT_TANGENTS: return Vertices_Tangents.const_pointer();
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default: return Vertices_Standard.const_pointer();
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}
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}
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virtual void* getVertices()
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS: return Vertices_2TCoords.pointer();
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case video::EVT_TANGENTS: return Vertices_Tangents.pointer();
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default: return Vertices_Standard.pointer();
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}
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}
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virtual u32 getVertexCount() const
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS: return Vertices_2TCoords.size();
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case video::EVT_TANGENTS: return Vertices_Tangents.size();
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default: return Vertices_Standard.size();
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}
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}
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virtual const u16* getIndices() const
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{
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return Indices.const_pointer();
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}
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virtual u16* getIndices()
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{
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return Indices.pointer();
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}
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virtual u32 getIndexCount() const
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{
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return Indices.size();
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}
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virtual const core::aabbox3d<f32>& getBoundingBox() const
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{
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return BoundingBox;
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}
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virtual void setBoundingBox( const core::aabbox3df& box)
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{
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BoundingBox = box;
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}
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virtual void recalculateBoundingBox()
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{
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switch (VertexType)
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{
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case video::EVT_STANDARD:
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{
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if (Vertices_Standard.empty())
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BoundingBox.reset(0,0,0);
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else
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{
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BoundingBox.reset(Vertices_Standard[0].Pos);
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for (u32 i=1; i<Vertices_Standard.size(); ++i)
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BoundingBox.addInternalPoint(Vertices_Standard[i].Pos);
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}
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break;
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}
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case video::EVT_2TCOORDS:
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{
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if (Vertices_2TCoords.empty())
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BoundingBox.reset(0,0,0);
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else
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{
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BoundingBox.reset(Vertices_2TCoords[0].Pos);
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for (u32 i=1; i<Vertices_2TCoords.size(); ++i)
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BoundingBox.addInternalPoint(Vertices_2TCoords[i].Pos);
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}
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break;
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}
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case video::EVT_TANGENTS:
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{
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if (Vertices_Tangents.empty())
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BoundingBox.reset(0,0,0);
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else
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{
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BoundingBox.reset(Vertices_Tangents[0].Pos);
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for (u32 i=1; i<Vertices_Tangents.size(); ++i)
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BoundingBox.addInternalPoint(Vertices_Tangents[i].Pos);
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}
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break;
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}
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}
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}
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virtual video::E_VERTEX_TYPE getVertexType() const
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{
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return VertexType;
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}
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virtual void MoveTo_2TCoords()
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{
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if (VertexType==video::EVT_STANDARD)
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{
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for(u32 n=0;n<Vertices_Standard.size();++n)
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{
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video::S3DVertex2TCoords Vertex;
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Vertex.Color=Vertices_Standard[n].Color;
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Vertex.Pos=Vertices_Standard[n].Pos;
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Vertex.Normal=Vertices_Standard[n].Normal;
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Vertex.TCoords=Vertices_Standard[n].TCoords;
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Vertices_2TCoords.push_back(Vertex);
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}
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Vertices_Standard.clear();
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VertexType=video::EVT_2TCOORDS;
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}
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}
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virtual void MoveTo_Tangents()
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{
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if (VertexType==video::EVT_STANDARD)
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{
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for(u32 n=0;n<Vertices_Standard.size();++n)
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{
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video::S3DVertexTangents Vertex;
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Vertex.Color=Vertices_Standard[n].Color;
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Vertex.Pos=Vertices_Standard[n].Pos;
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Vertex.Normal=Vertices_Standard[n].Normal;
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Vertex.TCoords=Vertices_Standard[n].TCoords;
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Vertices_Tangents.push_back(Vertex);
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}
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Vertices_Standard.clear();
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VertexType=video::EVT_TANGENTS;
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}
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else if (VertexType==video::EVT_2TCOORDS)
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{
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for(u32 n=0;n<Vertices_2TCoords.size();++n)
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{
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video::S3DVertexTangents Vertex;
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Vertex.Color=Vertices_2TCoords[n].Color;
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Vertex.Pos=Vertices_2TCoords[n].Pos;
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Vertex.Normal=Vertices_2TCoords[n].Normal;
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Vertex.TCoords=Vertices_2TCoords[n].TCoords;
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Vertices_Tangents.push_back(Vertex);
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}
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Vertices_2TCoords.clear();
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VertexType=video::EVT_TANGENTS;
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}
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}
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//! returns position of vertex i
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virtual const core::vector3df& getPosition(u32 i) const
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS:
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return Vertices_2TCoords[i].Pos;
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case video::EVT_TANGENTS:
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return Vertices_Tangents[i].Pos;
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default:
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return Vertices_Standard[i].Pos;
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}
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}
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//! returns position of vertex i
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virtual core::vector3df& getPosition(u32 i)
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS:
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return Vertices_2TCoords[i].Pos;
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case video::EVT_TANGENTS:
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return Vertices_Tangents[i].Pos;
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default:
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return Vertices_Standard[i].Pos;
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}
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}
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//! returns normal of vertex i
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virtual const core::vector3df& getNormal(u32 i) const
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS:
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return Vertices_2TCoords[i].Normal;
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case video::EVT_TANGENTS:
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return Vertices_Tangents[i].Normal;
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default:
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return Vertices_Standard[i].Normal;
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}
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}
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//! returns normal of vertex i
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virtual core::vector3df& getNormal(u32 i)
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{
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switch (VertexType)
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{
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case video::EVT_2TCOORDS:
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return Vertices_2TCoords[i].Normal;
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case video::EVT_TANGENTS:
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return Vertices_Tangents[i].Normal;
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default:
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return Vertices_Standard[i].Normal;
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}
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}
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//! append the vertices and indices to the current buffer
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virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices) {}
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//! append the meshbuffer to the current buffer
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virtual void append(const IMeshBuffer* const other) {}
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//! get the current hardware mapping hint
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virtual const E_HARDWARE_MAPPING getHardwareMappingHint() const
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{
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return MappingHint;
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}
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//! set the hardware mapping hint, for driver
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virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint )
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{
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MappingHint=NewMappingHint;
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}
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//! flags the mesh as changed, reloads hardware buffers
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virtual void setDirty(E_BUFFER_TYPE Buffer=EBT_VERTEX_AND_INDEX) {ChangedID++;}
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virtual const u32 getChangedID() const {return ChangedID;}
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u32 ChangedID;
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// hardware mapping hint
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E_HARDWARE_MAPPING MappingHint;
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//ISkinnedMesh::SJoint *AttachedJoint;
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core::matrix4 Transformation;
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video::SMaterial Material;
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video::E_VERTEX_TYPE VertexType;
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core::array<video::S3DVertexTangents> Vertices_Tangents;
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core::array<video::S3DVertex2TCoords> Vertices_2TCoords;
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core::array<video::S3DVertex> Vertices_Standard;
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core::array<u16> Indices;
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core::aabbox3d<f32> BoundingBox;
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};
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} // end namespace scene
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} // end namespace irr
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#endif
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