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Diffstat (limited to 'include/CIndexBuffer.h')
| -rw-r--r-- | include/CIndexBuffer.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/include/CIndexBuffer.h b/include/CIndexBuffer.h new file mode 100644 index 0000000..b0bb436 --- /dev/null +++ b/include/CIndexBuffer.h @@ -0,0 +1,226 @@ +// Copyright (C) 2008-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#ifndef __C_INDEX_BUFFER_H_INCLUDED__
+#define __C_INDEX_BUFFER_H_INCLUDED__
+
+#include "IIndexBuffer.h"
+
+namespace irr
+{
+namespace scene
+{
+
+ class CIndexBuffer : public IIndexBuffer
+ {
+
+ class IIndexList
+ {
+ public:
+ virtual ~IIndexList(){};
+
+ virtual u32 stride() const =0;
+ virtual u32 size() const =0;
+ virtual void push_back(const u32 &element) =0;
+ virtual u32 operator [](u32 index) const =0;
+ virtual u32 getLast() =0;
+ virtual void setValue(u32 index, u32 value) =0;
+ virtual void set_used(u32 usedNow) =0;
+ virtual void reallocate(u32 new_size) =0;
+ virtual u32 allocated_size() const =0;
+ virtual void* pointer() =0;
+ virtual video::E_INDEX_TYPE getType() const =0;
+ };
+
+ template <class T>
+ class CSpecificIndexList : public IIndexList
+ {
+ public:
+ core::array<T> Indices;
+
+ virtual u32 stride() const {return sizeof(T);}
+
+ virtual u32 size() const {return Indices.size();}
+
+ virtual void push_back(const u32 &element)
+ {
+ // push const ref due to compiler problem with gcc 4.6, big endian
+ Indices.push_back((const T&)element);
+ }
+
+ virtual u32 operator [](u32 index) const
+ {
+ return (u32)(Indices[index]);
+ }
+
+ virtual u32 getLast() {return (u32)Indices.getLast();}
+
+ virtual void setValue(u32 index, u32 value)
+ {
+ Indices[index]=(T)value;
+ }
+
+ virtual void set_used(u32 usedNow)
+ {
+ Indices.set_used(usedNow);
+ }
+
+ virtual void reallocate(u32 new_size)
+ {
+ Indices.reallocate(new_size);
+ }
+
+ virtual u32 allocated_size() const
+ {
+ return Indices.allocated_size();
+ }
+
+ virtual void* pointer() {return Indices.pointer();}
+
+ virtual video::E_INDEX_TYPE getType() const
+ {
+ if (sizeof(T)==sizeof(u16))
+ return video::EIT_16BIT;
+ else
+ return video::EIT_32BIT;
+ }
+ };
+
+ public:
+ IIndexList *Indices;
+
+ CIndexBuffer(video::E_INDEX_TYPE IndexType) :Indices(0), MappingHint(EHM_NEVER), ChangedID(1)
+ {
+ setType(IndexType);
+ }
+
+ CIndexBuffer(const IIndexBuffer &IndexBufferCopy) :Indices(0), MappingHint(EHM_NEVER), ChangedID(1)
+ {
+ setType(IndexBufferCopy.getType());
+ reallocate(IndexBufferCopy.size());
+
+ for (u32 n=0;n<IndexBufferCopy.size();++n)
+ push_back(IndexBufferCopy[n]);
+ }
+
+ virtual ~CIndexBuffer()
+ {
+ delete Indices;
+ }
+
+ //virtual void setType(video::E_INDEX_TYPE IndexType);
+ virtual void setType(video::E_INDEX_TYPE IndexType)
+ {
+ IIndexList *NewIndices=0;
+
+ switch (IndexType)
+ {
+ case video::EIT_16BIT:
+ {
+ NewIndices=new CSpecificIndexList<u16>;
+ break;
+ }
+ case video::EIT_32BIT:
+ {
+ NewIndices=new CSpecificIndexList<u32>;
+ break;
+ }
+ }
+
+ if (Indices)
+ {
+ NewIndices->reallocate( Indices->size() );
+
+ for(u32 n=0;n<Indices->size();++n)
+ NewIndices->push_back((*Indices)[n]);
+
+ delete Indices;
+ }
+
+ Indices=NewIndices;
+ }
+
+ virtual void* getData() {return Indices->pointer();}
+
+ virtual video::E_INDEX_TYPE getType() const {return Indices->getType();}
+
+ virtual u32 stride() const {return Indices->stride();}
+
+ virtual u32 size() const
+ {
+ return Indices->size();
+ }
+
+ virtual void push_back(const u32 &element)
+ {
+ Indices->push_back(element);
+ }
+
+ virtual u32 operator [](u32 index) const
+ {
+ return (*Indices)[index];
+ }
+
+ virtual u32 getLast()
+ {
+ return Indices->getLast();
+ }
+
+ virtual void setValue(u32 index, u32 value)
+ {
+ Indices->setValue(index, value);
+ }
+
+ virtual void set_used(u32 usedNow)
+ {
+ Indices->set_used(usedNow);
+ }
+
+ virtual void reallocate(u32 new_size)
+ {
+ Indices->reallocate(new_size);
+ }
+
+ virtual u32 allocated_size() const
+ {
+ return Indices->allocated_size();
+ }
+
+ virtual void* pointer()
+ {
+ return Indices->pointer();
+ }
+
+ //! get the current hardware mapping hint
+ virtual E_HARDWARE_MAPPING getHardwareMappingHint() const
+ {
+ return MappingHint;
+ }
+
+ //! set the hardware mapping hint, for driver
+ virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint )
+ {
+ MappingHint=NewMappingHint;
+ }
+
+ //! flags the mesh as changed, reloads hardware buffers
+ virtual void setDirty()
+ {
+ ++ChangedID;
+ }
+
+ //! Get the currently used ID for identification of changes.
+ /** This shouldn't be used for anything outside the VideoDriver. */
+ virtual u32 getChangedID() const {return ChangedID;}
+
+ E_HARDWARE_MAPPING MappingHint;
+ u32 ChangedID;
+ };
+
+
+} // end namespace scene
+} // end namespace irr
+
+#endif
+
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