Jason Felds
111 lines
4.9 KiB
C++
111 lines
4.9 KiB
C++
/* RageTexture - Abstract class for a texture and metadata. */
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#ifndef RAGE_TEXTURE_H
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#define RAGE_TEXTURE_H
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#include "RageTypes.h"
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#include "RageTextureID.h"
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struct lua_State;
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class RageTexture
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{
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public:
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RageTexture( RageTextureID file );
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virtual ~RageTexture() = 0;
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virtual void Update( float fDeltaTime ) {}
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virtual void Reload() {}
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virtual void Invalidate() { } /* only called by RageTextureManager::InvalidateTextures */
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virtual unsigned GetTexHandle() const = 0; // accessed by RageDisplay
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// movie texture/animated texture stuff
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virtual void SetPosition( float fSeconds ) {} // seek
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virtual void DecodeSeconds( float fSeconds ) {} // decode
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virtual void SetPlaybackRate( float fRate ) {}
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virtual bool IsAMovie() const { return false; }
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virtual void SetLooping(bool looping) { }
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int GetSourceWidth() const {return m_iSourceWidth;}
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int GetSourceHeight() const {return m_iSourceHeight;}
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int GetTextureWidth() const {return m_iTextureWidth;}
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int GetTextureHeight() const{return m_iTextureHeight;}
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int GetImageWidth() const {return m_iImageWidth;}
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int GetImageHeight() const {return m_iImageHeight;}
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int GetFramesWide() const {return m_iFramesWide;}
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int GetFramesHigh() const {return m_iFramesHigh;}
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int GetSourceFrameWidth() const {return GetSourceWidth() / GetFramesWide();}
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int GetSourceFrameHeight() const {return GetSourceHeight() / GetFramesHigh();}
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int GetTextureFrameWidth() const {return GetTextureWidth() / GetFramesWide();}
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int GetTextureFrameHeight() const {return GetTextureHeight() / GetFramesHigh();}
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int GetImageFrameWidth() const {return GetImageWidth() / GetFramesWide();}
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int GetImageFrameHeight() const {return GetImageHeight() / GetFramesHigh();}
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// Use these to convert between the different coordinate systems:
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float GetSourceToImageCoordsRatioX() const { return float(GetImageWidth()) / GetSourceWidth(); }
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float GetImageToTexCoordsRatioX() const { return 1.0f / GetTextureWidth(); }
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float GetSourceToTexCoordsRatioX() const { return GetSourceToImageCoordsRatioX() * GetImageToTexCoordsRatioX(); }
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float GetSourceToImageCoordsRatioY() const { return float(GetImageHeight()) / GetSourceHeight(); }
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float GetImageToTexCoordsRatioY() const { return 1.0f / GetTextureHeight(); }
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float GetSourceToTexCoordsRatioY() const { return GetSourceToImageCoordsRatioY() * GetImageToTexCoordsRatioY(); }
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const RectF *GetTextureCoordRect( int frameNo ) const;
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int GetNumFrames() const { return m_iFramesWide*m_iFramesHigh; }
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// Used by RageTextureManager. Order is important; see RageTextureManager.cpp.
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const RageTextureID::TexPolicy &GetPolicy() const { return m_ID.Policy; }
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RageTextureID::TexPolicy &GetPolicy() { return m_ID.Policy; }
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int m_iRefCount;
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bool m_bWasUsed;
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// The ID that we were asked to load:
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const RageTextureID &GetID() const { return m_ID; }
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static void GetFrameDimensionsFromFileName( RString sPath, int* puFramesWide, int* puFramesHigh );
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// Lua
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virtual void PushSelf( lua_State *L );
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private:
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/* We might change settings when loading (due to hints, hardware
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* limitations, etc). The data actually loaded is here: */
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RageTextureID m_ID;
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protected:
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int m_iSourceWidth, m_iSourceHeight; // dimensions of the original image loaded from disk
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int m_iTextureWidth, m_iTextureHeight; // dimensions of the texture in memory
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int m_iImageWidth, m_iImageHeight; // dimensions of the image in the texture
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int m_iFramesWide, m_iFramesHigh; // The number of frames of animation in each row and column of this texture
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vector<RectF> m_TextureCoordRects; // size = m_iFramesWide * m_iFramesHigh
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virtual void CreateFrameRects();
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};
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#endif
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/*
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* Copyright (c) 2001-2004 Chris Danford
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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