irrlicht/include/SSkinMeshBuffer.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef S_SKIN_MESH_BUFFER_H_INCLUDED
#define S_SKIN_MESH_BUFFER_H_INCLUDED
#include "IMeshBuffer.h"
#include "S3DVertex.h"
namespace irr
{
namespace scene
{
//! A mesh buffer able to choose between S3DVertex2TCoords, S3DVertex and S3DVertexTangents at runtime
struct SSkinMeshBuffer : public IMeshBuffer
{
//! Default constructor
SSkinMeshBuffer(video::E_VERTEX_TYPE vt=video::EVT_STANDARD) :
ChangedID_Vertex(1), ChangedID_Index(1), VertexType(vt),
PrimitiveType(EPT_TRIANGLES),
MappingHint_Vertex(EHM_NEVER), MappingHint_Index(EHM_NEVER),
BoundingBoxNeedsRecalculated(true)
{
#ifdef _DEBUG
setDebugName("SSkinMeshBuffer");
#endif
}
//! Get Material of this buffer.
virtual const video::SMaterial& getMaterial() const IRR_OVERRIDE
{
return Material;
}
//! Get Material of this buffer.
virtual video::SMaterial& getMaterial() IRR_OVERRIDE
{
return Material;
}
//! Get standard vertex at given index
virtual video::S3DVertex *getVertex(u32 index)
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return (video::S3DVertex*)&Vertices_2TCoords[index];
case video::EVT_TANGENTS:
return (video::S3DVertex*)&Vertices_Tangents[index];
default:
return &Vertices_Standard[index];
}
}
//! Get pointer to vertex array
virtual const void* getVertices() const IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords.const_pointer();
case video::EVT_TANGENTS:
return Vertices_Tangents.const_pointer();
default:
return Vertices_Standard.const_pointer();
}
}
//! Get pointer to vertex array
virtual void* getVertices() IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords.pointer();
case video::EVT_TANGENTS:
return Vertices_Tangents.pointer();
default:
return Vertices_Standard.pointer();
}
}
//! Get vertex count
virtual u32 getVertexCount() const IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords.size();
case video::EVT_TANGENTS:
return Vertices_Tangents.size();
default:
return Vertices_Standard.size();
}
}
//! Get type of index data which is stored in this meshbuffer.
/** \return Index type of this buffer. */
virtual video::E_INDEX_TYPE getIndexType() const IRR_OVERRIDE
{
return video::EIT_16BIT;
}
//! Get pointer to index array
virtual const u16* getIndices() const IRR_OVERRIDE
{
return Indices.const_pointer();
}
//! Get pointer to index array
virtual u16* getIndices() IRR_OVERRIDE
{
return Indices.pointer();
}
//! Get index count
virtual u32 getIndexCount() const IRR_OVERRIDE
{
return Indices.size();
}
//! Get bounding box
virtual const core::aabbox3d<f32>& getBoundingBox() const IRR_OVERRIDE
{
return BoundingBox;
}
//! Set bounding box
virtual void setBoundingBox( const core::aabbox3df& box) IRR_OVERRIDE
{
BoundingBox = box;
}
//! Recalculate bounding box
virtual void recalculateBoundingBox() IRR_OVERRIDE
{
if(!BoundingBoxNeedsRecalculated)
return;
BoundingBoxNeedsRecalculated = false;
switch (VertexType)
{
case video::EVT_STANDARD:
{
if (Vertices_Standard.empty())
BoundingBox.reset(0,0,0);
else
{
BoundingBox.reset(Vertices_Standard[0].Pos);
for (u32 i=1; i<Vertices_Standard.size(); ++i)
BoundingBox.addInternalPoint(Vertices_Standard[i].Pos);
}
break;
}
case video::EVT_2TCOORDS:
{
if (Vertices_2TCoords.empty())
BoundingBox.reset(0,0,0);
else
{
BoundingBox.reset(Vertices_2TCoords[0].Pos);
for (u32 i=1; i<Vertices_2TCoords.size(); ++i)
BoundingBox.addInternalPoint(Vertices_2TCoords[i].Pos);
}
break;
}
case video::EVT_TANGENTS:
{
if (Vertices_Tangents.empty())
BoundingBox.reset(0,0,0);
else
{
BoundingBox.reset(Vertices_Tangents[0].Pos);
for (u32 i=1; i<Vertices_Tangents.size(); ++i)
BoundingBox.addInternalPoint(Vertices_Tangents[i].Pos);
}
break;
}
}
}
//! Get vertex type
virtual video::E_VERTEX_TYPE getVertexType() const IRR_OVERRIDE
{
return VertexType;
}
//! Convert to 2tcoords vertex type
void convertTo2TCoords()
{
if (VertexType==video::EVT_STANDARD)
{
for(u32 n=0;n<Vertices_Standard.size();++n)
{
video::S3DVertex2TCoords Vertex;
Vertex.Color=Vertices_Standard[n].Color;
Vertex.Pos=Vertices_Standard[n].Pos;
Vertex.Normal=Vertices_Standard[n].Normal;
Vertex.TCoords=Vertices_Standard[n].TCoords;
Vertices_2TCoords.push_back(Vertex);
}
Vertices_Standard.clear();
VertexType=video::EVT_2TCOORDS;
}
}
//! Convert to tangents vertex type
void convertToTangents()
{
if (VertexType==video::EVT_STANDARD)
{
for(u32 n=0;n<Vertices_Standard.size();++n)
{
video::S3DVertexTangents Vertex;
Vertex.Color=Vertices_Standard[n].Color;
Vertex.Pos=Vertices_Standard[n].Pos;
Vertex.Normal=Vertices_Standard[n].Normal;
Vertex.TCoords=Vertices_Standard[n].TCoords;
Vertices_Tangents.push_back(Vertex);
}
Vertices_Standard.clear();
VertexType=video::EVT_TANGENTS;
}
else if (VertexType==video::EVT_2TCOORDS)
{
for(u32 n=0;n<Vertices_2TCoords.size();++n)
{
video::S3DVertexTangents Vertex;
Vertex.Color=Vertices_2TCoords[n].Color;
Vertex.Pos=Vertices_2TCoords[n].Pos;
Vertex.Normal=Vertices_2TCoords[n].Normal;
Vertex.TCoords=Vertices_2TCoords[n].TCoords;
Vertices_Tangents.push_back(Vertex);
}
Vertices_2TCoords.clear();
VertexType=video::EVT_TANGENTS;
}
}
//! returns position of vertex i
virtual const core::vector3df& getPosition(u32 i) const IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].Pos;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].Pos;
default:
return Vertices_Standard[i].Pos;
}
}
//! returns position of vertex i
virtual core::vector3df& getPosition(u32 i) IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].Pos;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].Pos;
default:
return Vertices_Standard[i].Pos;
}
}
//! returns normal of vertex i
virtual const core::vector3df& getNormal(u32 i) const IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].Normal;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].Normal;
default:
return Vertices_Standard[i].Normal;
}
}
//! returns normal of vertex i
virtual core::vector3df& getNormal(u32 i) IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].Normal;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].Normal;
default:
return Vertices_Standard[i].Normal;
}
}
//! returns texture coords of vertex i
virtual const core::vector2df& getTCoords(u32 i) const IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].TCoords;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].TCoords;
default:
return Vertices_Standard[i].TCoords;
}
}
//! returns texture coords of vertex i
virtual core::vector2df& getTCoords(u32 i) IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].TCoords;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].TCoords;
default:
return Vertices_Standard[i].TCoords;
}
}
//! returns color of vertex i
virtual video::SColor& getColor(u32 i) IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].Color;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].Color;
default:
return Vertices_Standard[i].Color;
}
}
//! returns color of vertex i
virtual const video::SColor& getColor(u32 i) const IRR_OVERRIDE
{
switch (VertexType)
{
case video::EVT_2TCOORDS:
return Vertices_2TCoords[i].Color;
case video::EVT_TANGENTS:
return Vertices_Tangents[i].Color;
default:
return Vertices_Standard[i].Color;
}
}
//! 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 {}
//! append the meshbuffer to the current buffer
virtual void append(const IMeshBuffer* const other) IRR_OVERRIDE {}
//! get the current hardware mapping hint for vertex buffers
virtual E_HARDWARE_MAPPING getHardwareMappingHint_Vertex() const IRR_OVERRIDE
{
return MappingHint_Vertex;
}
//! get the current hardware mapping hint for index buffers
virtual E_HARDWARE_MAPPING getHardwareMappingHint_Index() const IRR_OVERRIDE
{
return MappingHint_Index;
}
//! set the hardware mapping hint, for driver
virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint, E_BUFFER_TYPE Buffer=EBT_VERTEX_AND_INDEX ) IRR_OVERRIDE
{
if (Buffer==EBT_VERTEX)
MappingHint_Vertex=NewMappingHint;
else if (Buffer==EBT_INDEX)
MappingHint_Index=NewMappingHint;
else if (Buffer==EBT_VERTEX_AND_INDEX)
{
MappingHint_Vertex=NewMappingHint;
MappingHint_Index=NewMappingHint;
}
}
//! Describe what kind of primitive geometry is used by the meshbuffer
virtual void setPrimitiveType(E_PRIMITIVE_TYPE type) IRR_OVERRIDE
{
PrimitiveType = type;
}
//! Get the kind of primitive geometry which is used by the meshbuffer
virtual E_PRIMITIVE_TYPE getPrimitiveType() const IRR_OVERRIDE
{
return PrimitiveType;
}
//! flags the mesh as changed, reloads hardware buffers
virtual void setDirty(E_BUFFER_TYPE Buffer=EBT_VERTEX_AND_INDEX) IRR_OVERRIDE
{
if (Buffer==EBT_VERTEX_AND_INDEX || Buffer==EBT_VERTEX)
++ChangedID_Vertex;
if (Buffer==EBT_VERTEX_AND_INDEX || Buffer==EBT_INDEX)
++ChangedID_Index;
}
virtual u32 getChangedID_Vertex() const IRR_OVERRIDE {return ChangedID_Vertex;}
virtual u32 getChangedID_Index() const IRR_OVERRIDE {return ChangedID_Index;}
//! Returns type of the class implementing the IMeshBuffer
virtual EMESH_BUFFER_TYPE getType() const IRR_OVERRIDE
{
return EMBT_SKIN;
}
//! Create copy of the meshbuffer
virtual IMeshBuffer* createClone(int cloneFlags) const IRR_OVERRIDE
{
SSkinMeshBuffer* clone = new SSkinMeshBuffer(VertexType);
if (cloneFlags & ECF_VERTICES)
{
clone->Vertices_Tangents = Vertices_Tangents;
clone->Vertices_2TCoords = Vertices_2TCoords;
clone->Vertices_Standard = Vertices_Standard;
clone->BoundingBox = BoundingBox;
clone->BoundingBoxNeedsRecalculated = BoundingBoxNeedsRecalculated;
}
if (cloneFlags & ECF_INDICES)
{
clone->Indices = Indices;
}
clone->Transformation = Transformation;
clone->Material = getMaterial();
clone->PrimitiveType = PrimitiveType;
clone->MappingHint_Vertex = MappingHint_Vertex;
clone->MappingHint_Index = MappingHint_Index;
return clone;
}
//! Call this after changing the positions of any vertex.
void boundingBoxNeedsRecalculated(void) { BoundingBoxNeedsRecalculated = true; }
core::array<video::S3DVertexTangents> Vertices_Tangents;
core::array<video::S3DVertex2TCoords> Vertices_2TCoords;
core::array<video::S3DVertex> Vertices_Standard;
core::array<u16> Indices;
u32 ChangedID_Vertex;
u32 ChangedID_Index;
//ISkinnedMesh::SJoint *AttachedJoint;
core::matrix4 Transformation;
video::SMaterial Material;
video::E_VERTEX_TYPE VertexType;
core::aabbox3d<f32> BoundingBox;
//! Primitive type used for rendering (triangles, lines, ...)
E_PRIMITIVE_TYPE PrimitiveType;
// hardware mapping hint
E_HARDWARE_MAPPING MappingHint_Vertex:3;
E_HARDWARE_MAPPING MappingHint_Index:3;
bool BoundingBoxNeedsRecalculated:1;
};
} // end namespace scene
} // end namespace irr
#endif