irrlicht/include/CMeshBuffer.h
sfan5 4e9d0db4be Delete a broken method
implementation commented out, lol?
2024-02-19 21:22:54 +01:00

300 lines
7.3 KiB
C++

// 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 __T_MESH_BUFFER_H_INCLUDED__
#define __T_MESH_BUFFER_H_INCLUDED__
#include "irrArray.h"
#include "IMeshBuffer.h"
namespace irr
{
namespace scene
{
//! Template implementation of the IMeshBuffer interface
template <class T>
class CMeshBuffer : public IMeshBuffer
{
public:
//! Default constructor for empty meshbuffer
CMeshBuffer()
: ChangedID_Vertex(1), ChangedID_Index(1)
, MappingHint_Vertex(EHM_NEVER), MappingHint_Index(EHM_NEVER)
, HWBuffer(NULL)
, PrimitiveType(EPT_TRIANGLES)
{
#ifdef _DEBUG
setDebugName("CMeshBuffer");
#endif
}
//! Get material of this meshbuffer
/** \return Material of this buffer */
const video::SMaterial& getMaterial() const override
{
return Material;
}
//! Get material of this meshbuffer
/** \return Material of this buffer */
video::SMaterial& getMaterial() override
{
return Material;
}
//! Get pointer to vertices
/** \return Pointer to vertices. */
const void* getVertices() const override
{
return Vertices.const_pointer();
}
//! Get pointer to vertices
/** \return Pointer to vertices. */
void* getVertices() override
{
return Vertices.pointer();
}
//! Get number of vertices
/** \return Number of vertices. */
u32 getVertexCount() const override
{
return Vertices.size();
}
//! Get type of index data which is stored in this meshbuffer.
/** \return Index type of this buffer. */
video::E_INDEX_TYPE getIndexType() const override
{
return video::EIT_16BIT;
}
//! Get pointer to indices
/** \return Pointer to indices. */
const u16* getIndices() const override
{
return Indices.const_pointer();
}
//! Get pointer to indices
/** \return Pointer to indices. */
u16* getIndices() override
{
return Indices.pointer();
}
//! Get number of indices
/** \return Number of indices. */
u32 getIndexCount() const override
{
return Indices.size();
}
//! Get the axis aligned bounding box
/** \return Axis aligned bounding box of this buffer. */
const core::aabbox3d<f32>& getBoundingBox() const override
{
return BoundingBox;
}
//! Set the axis aligned bounding box
/** \param box New axis aligned bounding box for this buffer. */
//! set user axis aligned bounding box
void setBoundingBox(const core::aabbox3df& box) override
{
BoundingBox = box;
}
//! Recalculate the bounding box.
/** should be called if the mesh changed. */
void recalculateBoundingBox() override
{
if (!Vertices.empty())
{
BoundingBox.reset(Vertices[0].Pos);
const irr::u32 vsize = Vertices.size();
for (u32 i=1; i<vsize; ++i)
BoundingBox.addInternalPoint(Vertices[i].Pos);
}
else
BoundingBox.reset(0,0,0);
}
//! Get type of vertex data stored in this buffer.
/** \return Type of vertex data. */
video::E_VERTEX_TYPE getVertexType() const override
{
return T::getType();
}
//! returns position of vertex i
const core::vector3df& getPosition(u32 i) const override
{
return Vertices[i].Pos;
}
//! returns position of vertex i
core::vector3df& getPosition(u32 i) override
{
return Vertices[i].Pos;
}
//! returns normal of vertex i
const core::vector3df& getNormal(u32 i) const override
{
return Vertices[i].Normal;
}
//! returns normal of vertex i
core::vector3df& getNormal(u32 i) override
{
return Vertices[i].Normal;
}
//! returns texture coord of vertex i
const core::vector2df& getTCoords(u32 i) const override
{
return Vertices[i].TCoords;
}
//! returns texture coord of vertex i
core::vector2df& getTCoords(u32 i) override
{
return Vertices[i].TCoords;
}
//! Append the vertices and indices to the current buffer
/** Only works for compatible types, i.e. either the same type
or the main buffer is of standard type. Otherwise, behavior is
undefined.
*/
void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices) override
{
if (vertices == getVertices())
return;
const u32 vertexCount = getVertexCount();
u32 i;
Vertices.reallocate(vertexCount+numVertices);
for (i=0; i<numVertices; ++i)
{
Vertices.push_back(static_cast<const T*>(vertices)[i]);
BoundingBox.addInternalPoint(static_cast<const T*>(vertices)[i].Pos);
}
Indices.reallocate(getIndexCount()+numIndices);
for (i=0; i<numIndices; ++i)
{
Indices.push_back(indices[i]+vertexCount);
}
}
//! get the current hardware mapping hint
E_HARDWARE_MAPPING getHardwareMappingHint_Vertex() const override
{
return MappingHint_Vertex;
}
//! get the current hardware mapping hint
E_HARDWARE_MAPPING getHardwareMappingHint_Index() const override
{
return MappingHint_Index;
}
//! set the hardware mapping hint, for driver
void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint, E_BUFFER_TYPE Buffer=EBT_VERTEX_AND_INDEX ) override
{
if (Buffer==EBT_VERTEX_AND_INDEX || Buffer==EBT_VERTEX)
MappingHint_Vertex=NewMappingHint;
if (Buffer==EBT_VERTEX_AND_INDEX || Buffer==EBT_INDEX)
MappingHint_Index=NewMappingHint;
}
//! Describe what kind of primitive geometry is used by the meshbuffer
void setPrimitiveType(E_PRIMITIVE_TYPE type) override
{
PrimitiveType = type;
}
//! Get the kind of primitive geometry which is used by the meshbuffer
E_PRIMITIVE_TYPE getPrimitiveType() const override
{
return PrimitiveType;
}
//! flags the mesh as changed, reloads hardware buffers
void setDirty(E_BUFFER_TYPE Buffer=EBT_VERTEX_AND_INDEX) override
{
if (Buffer==EBT_VERTEX_AND_INDEX ||Buffer==EBT_VERTEX)
++ChangedID_Vertex;
if (Buffer==EBT_VERTEX_AND_INDEX || Buffer==EBT_INDEX)
++ChangedID_Index;
}
//! Get the currently used ID for identification of changes.
/** This shouldn't be used for anything outside the VideoDriver. */
u32 getChangedID_Vertex() const override {return ChangedID_Vertex;}
//! Get the currently used ID for identification of changes.
/** This shouldn't be used for anything outside the VideoDriver. */
u32 getChangedID_Index() const override {return ChangedID_Index;}
void setHWBuffer(void *ptr) const override {
HWBuffer = ptr;
}
void *getHWBuffer() const override {
return HWBuffer;
}
u32 ChangedID_Vertex;
u32 ChangedID_Index;
//! hardware mapping hint
E_HARDWARE_MAPPING MappingHint_Vertex;
E_HARDWARE_MAPPING MappingHint_Index;
mutable void *HWBuffer;
//! Material for this meshbuffer.
video::SMaterial Material;
//! Vertices of this buffer
core::array<T> Vertices;
//! Indices into the vertices of this buffer.
core::array<u16> Indices;
//! Bounding box of this meshbuffer.
core::aabbox3d<f32> BoundingBox;
//! Primitive type used for rendering (triangles, lines, ...)
E_PRIMITIVE_TYPE PrimitiveType;
};
//! Standard meshbuffer
typedef CMeshBuffer<video::S3DVertex> SMeshBuffer;
//! Meshbuffer with two texture coords per vertex, e.g. for lightmaps
typedef CMeshBuffer<video::S3DVertex2TCoords> SMeshBufferLightMap;
//! Meshbuffer with vertices having tangents stored, e.g. for normal mapping
typedef CMeshBuffer<video::S3DVertexTangents> SMeshBufferTangents;
} // end namespace scene
} // end namespace irr
#endif