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Diffstat (limited to 'include/SSharedMeshBuffer.h')
| -rw-r--r-- | include/SSharedMeshBuffer.h | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/include/SSharedMeshBuffer.h b/include/SSharedMeshBuffer.h new file mode 100644 index 0000000..b9ee07a --- /dev/null +++ b/include/SSharedMeshBuffer.h @@ -0,0 +1,242 @@ +// 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_SHARED_MESH_BUFFER_H_INCLUDED__
+#define __S_SHARED_MESH_BUFFER_H_INCLUDED__
+
+#include "irrArray.h"
+#include "IMeshBuffer.h"
+
+namespace irr
+{
+namespace scene
+{
+ //! Implementation of the IMeshBuffer interface with shared vertex list
+ struct SSharedMeshBuffer : public IMeshBuffer
+ {
+ //! constructor
+ SSharedMeshBuffer() : IMeshBuffer(), Vertices(0), ChangedID_Vertex(1), ChangedID_Index(1), MappingHintVertex(EHM_NEVER), MappingHintIndex(EHM_NEVER)
+ {
+ #ifdef _DEBUG
+ setDebugName("SSharedMeshBuffer");
+ #endif
+ }
+
+ //! constructor
+ SSharedMeshBuffer(core::array<video::S3DVertex> *vertices) : IMeshBuffer(), Vertices(vertices)
+ {
+ #ifdef _DEBUG
+ setDebugName("SSharedMeshBuffer");
+ #endif
+ }
+
+ //! returns the material of this meshbuffer
+ virtual const video::SMaterial& getMaterial() const
+ {
+ return Material;
+ }
+
+ //! returns the material of this meshbuffer
+ virtual video::SMaterial& getMaterial()
+ {
+ return Material;
+ }
+
+ //! returns pointer to vertices
+ virtual const void* getVertices() const
+ {
+ if (Vertices)
+ return Vertices->const_pointer();
+ else
+ return 0;
+ }
+
+ //! returns pointer to vertices
+ virtual void* getVertices()
+ {
+ if (Vertices)
+ return Vertices->pointer();
+ else
+ return 0;
+ }
+
+ //! returns amount of vertices
+ virtual u32 getVertexCount() const
+ {
+ if (Vertices)
+ return Vertices->size();
+ else
+ return 0;
+ }
+
+ //! returns pointer to Indices
+ virtual const u16* getIndices() const
+ {
+ return Indices.const_pointer();
+ }
+
+ //! returns pointer to Indices
+ virtual u16* getIndices()
+ {
+ return Indices.pointer();
+ }
+
+ //! returns amount of indices
+ virtual u32 getIndexCount() const
+ {
+ return Indices.size();
+ }
+
+ //! Get type of index data which is stored in this meshbuffer.
+ virtual video::E_INDEX_TYPE getIndexType() const
+ {
+ return video::EIT_16BIT;
+ }
+
+ //! returns an axis aligned bounding box
+ virtual const core::aabbox3d<f32>& getBoundingBox() const
+ {
+ return BoundingBox;
+ }
+
+ //! set user axis aligned bounding box
+ virtual void setBoundingBox( const core::aabbox3df& box)
+ {
+ BoundingBox = box;
+ }
+
+ //! returns which type of vertex data is stored.
+ virtual video::E_VERTEX_TYPE getVertexType() const
+ {
+ return video::EVT_STANDARD;
+ }
+
+ //! recalculates the bounding box. should be called if the mesh changed.
+ virtual void recalculateBoundingBox()
+ {
+ if (!Vertices || Vertices->empty() || Indices.empty())
+ BoundingBox.reset(0,0,0);
+ else
+ {
+ BoundingBox.reset((*Vertices)[Indices[0]].Pos);
+ for (u32 i=1; i<Indices.size(); ++i)
+ BoundingBox.addInternalPoint((*Vertices)[Indices[i]].Pos);
+ }
+ }
+
+ //! returns position of vertex i
+ virtual const core::vector3df& getPosition(u32 i) const
+ {
+ _IRR_DEBUG_BREAK_IF(!Vertices);
+ return (*Vertices)[Indices[i]].Pos;
+ }
+
+ //! returns position of vertex i
+ virtual core::vector3df& getPosition(u32 i)
+ {
+ _IRR_DEBUG_BREAK_IF(!Vertices);
+ return (*Vertices)[Indices[i]].Pos;
+ }
+
+ //! returns normal of vertex i
+ virtual const core::vector3df& getNormal(u32 i) const
+ {
+ _IRR_DEBUG_BREAK_IF(!Vertices);
+ return (*Vertices)[Indices[i]].Normal;
+ }
+
+ //! returns normal of vertex i
+ virtual core::vector3df& getNormal(u32 i)
+ {
+ _IRR_DEBUG_BREAK_IF(!Vertices);
+ return (*Vertices)[Indices[i]].Normal;
+ }
+
+ //! returns texture coord of vertex i
+ virtual const core::vector2df& getTCoords(u32 i) const
+ {
+ _IRR_DEBUG_BREAK_IF(!Vertices);
+ return (*Vertices)[Indices[i]].TCoords;
+ }
+
+ //! returns texture coord of vertex i
+ virtual core::vector2df& getTCoords(u32 i)
+ {
+ _IRR_DEBUG_BREAK_IF(!Vertices);
+ return (*Vertices)[Indices[i]].TCoords;
+ }
+
+ //! append the vertices and indices to the current buffer
+ virtual void append(const void* const vertices, u32 numVertices, const u16* const indices, u32 numIndices) {}
+
+ //! append the meshbuffer to the current buffer
+ virtual void append(const IMeshBuffer* const other) {}
+
+ //! get the current hardware mapping hint
+ virtual E_HARDWARE_MAPPING getHardwareMappingHint_Vertex() const
+ {
+ return MappingHintVertex;
+ }
+
+ //! get the current hardware mapping hint
+ virtual E_HARDWARE_MAPPING getHardwareMappingHint_Index() const
+ {
+ return MappingHintIndex;
+ }
+
+ //! set the hardware mapping hint, for driver
+ virtual void setHardwareMappingHint( E_HARDWARE_MAPPING NewMappingHint, E_BUFFER_TYPE buffer=EBT_VERTEX_AND_INDEX )
+ {
+ if (buffer==EBT_VERTEX_AND_INDEX || buffer==EBT_VERTEX)
+ MappingHintVertex=NewMappingHint;
+ if (buffer==EBT_VERTEX_AND_INDEX || buffer==EBT_INDEX)
+ MappingHintIndex=NewMappingHint;
+ }
+
+ //! flags the mesh as changed, reloads hardware buffers
+ virtual void setDirty(E_BUFFER_TYPE buffer=EBT_VERTEX_AND_INDEX)
+ {
+ 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. */
+ virtual u32 getChangedID_Vertex() const {return ChangedID_Vertex;}
+
+ //! Get the currently used ID for identification of changes.
+ /** This shouldn't be used for anything outside the VideoDriver. */
+ virtual u32 getChangedID_Index() const {return ChangedID_Index;}
+
+ //! Material of this meshBuffer
+ video::SMaterial Material;
+
+ //! Shared Array of vertices
+ core::array<video::S3DVertex> *Vertices;
+
+ //! Array of Indices
+ core::array<u16> Indices;
+
+ //! ID used for hardware buffer management
+ u32 ChangedID_Vertex;
+
+ //! ID used for hardware buffer management
+ u32 ChangedID_Index;
+
+ //! Bounding box
+ core::aabbox3df BoundingBox;
+
+ //! hardware mapping hint
+ E_HARDWARE_MAPPING MappingHintVertex;
+ E_HARDWARE_MAPPING MappingHintIndex;
+ };
+
+
+} // end namespace scene
+} // end namespace irr
+
+#endif
+
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