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engines/hpl1/engine/graphics/Texture.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#ifndef HPL_TEXTURE_H
+#define HPL_TEXTURE_H
+
+#include "common/array.h"
+#include "graphics/pixelformat.h"
+#include "hpl1/engine/graphics/GraphicsTypes.h"
+#include "hpl1/engine/graphics/LowLevelPicture.h"
+#include "hpl1/engine/graphics/bitmap2D.h"
+#include "hpl1/engine/resources/ResourceBase.h"
+
+namespace hpl {
+
+enum eTextureType {
+	eTextureType_Normal,
+	eTextureType_RenderTarget,
+	eTextureType_LastEnum
+};
+
+//-----------------------------------------
+
+enum eTextureTarget {
+	eTextureTarget_1D,
+	eTextureTarget_2D,
+	eTextureTarget_Rect,
+	eTextureTarget_CubeMap,
+	eTextureTarget_3D,
+	eTextureTarget_LastEnum
+};
+
+//-----------------------------------------
+
+enum eTextureWrap {
+	eTextureWrap_Repeat,
+	eTextureWrap_Clamp,
+	eTextureWrap_ClampToEdge,
+	eTextureWrap_ClampToBorder,
+	eTextureWrap_LastEnum
+};
+
+//-----------------------------------------
+
+enum eTextureFilter {
+	eTextureFilter_Bilinear,
+	eTextureFilter_Trilinear,
+	eTextureFilter_LastEnum
+};
+
+//-----------------------------------------
+
+enum eTextureAnimMode {
+	eTextureAnimMode_None,
+	eTextureAnimMode_Loop,
+	eTextureAnimMode_Oscillate,
+	eTextureAnimMode_LastEnum
+};
+
+//-----------------------------------------
+
+class iLowLevelGraphics;
+
+class iTexture : public LowLevelPicture, public iResourceBase {
+public:
+	iTexture(tString asName, tString asType, Graphics::PixelFormat *apPxlFmt, iLowLevelGraphics *apLowLevelGraphics,
+			 eTextureType aType, bool abUseMipMaps, eTextureTarget aTarget,
+			 bool abCompress = false)
+		: LowLevelPicture(asType), iResourceBase(asName, 0),
+		  mType(aType), mbUseMipMaps(abUseMipMaps),
+		  mpLowLevelGraphics(apLowLevelGraphics), mbCompress(abCompress),
+		  mTarget(aTarget),
+		  mWrapS(eTextureWrap_Repeat), mWrapT(eTextureWrap_Repeat), mWrapR(eTextureWrap_Repeat),
+		  mfFrameTime(1), mAnimMode(eTextureAnimMode_Loop), mlSizeLevel(0), mvMinLevelSize(16, 16),
+		  mfAnisotropyDegree(1.0f), mFilter(eTextureFilter_Bilinear), _bpp(apPxlFmt->bpp()) {}
+
+	virtual ~iTexture() {}
+
+	void SetSizeLevel(unsigned int alLevel) { mlSizeLevel = alLevel; }
+	void SetMinLevelSize(const cVector2l &avSize) { mvMinLevelSize = avSize; }
+
+	bool reload() override { return false; }
+	void unload() override {}
+	void destroy() override {}
+
+	/**
+	 * Create a texture from a bitmap, work only for 1D, 2D and Rect targets. Doesn't work with render targets.
+	 * \param pBmp
+	 * \return
+	 */
+	virtual bool CreateFromBitmap(Bitmap2D *pBmp) = 0;
+	/**
+	 * Create a cube map texture from a vector of bitmaps. Doesn't work with render targets.
+	 * All bitmaps most be square, a power of 2 and the same same. The order must be: posX, negX, posY, negY, posZ and negZ.
+	 * \param *avBitmaps a vector with at least 6 bitmaps
+	 * \return
+	 */
+	virtual bool CreateCubeFromBitmapVec(tBitmap2DVec *avBitmaps) = 0;
+	/**
+	 * Create a texture with color, works with all target types. Works with render targets.
+	 * \param alWidth
+	 * \param alHeight
+	 * \param aCol
+	 * \return
+	 */
+	virtual bool Create(unsigned int alWidth, unsigned int alHeight, cColor aCol) = 0;
+
+	virtual bool CreateAnimFromBitmapVec(tBitmap2DVec *avBitmaps) = 0;
+
+	virtual bool CreateFromArray(unsigned char *apPixelData, int alChannels, const cVector3l &avSize) = 0;
+
+	virtual void Update(float afTimeStep) = 0;
+
+	virtual void SetPixels2D(int alLevel, const cVector2l &avOffset, const cVector2l &avSize,
+							 eColorDataFormat aDataFormat, void *apPixelData) = 0;
+
+	virtual void SetFilter(eTextureFilter aFilter) = 0;
+	virtual void SetAnisotropyDegree(float afX) = 0;
+	eTextureFilter GetFilter() { return mFilter; }
+	float GetAnisotropyDegree(float afX) { return mfAnisotropyDegree; }
+
+	virtual float GetGamma() = 0;
+	virtual void SetGamma(float afGamma) = 0;
+	virtual int GetHandle() = 0;
+
+	virtual bool hasAlpha() override { return false; }
+	uint32 getBpp() const override { return _bpp; }
+
+	virtual void SetWrapS(eTextureWrap aMode) = 0;
+	virtual void SetWrapT(eTextureWrap aMode) = 0;
+	virtual void SetWrapR(eTextureWrap aMode) = 0;
+
+	eTextureWrap GetWrapS() { return mWrapS; }
+	eTextureWrap GetWrapT() { return mWrapT; }
+	eTextureWrap GetWrapR() { return mWrapR; }
+
+	void SetFrameTime(float afX) { mfFrameTime = afX; }
+	float GetFrameTime() { return mfFrameTime; }
+
+	eTextureAnimMode GetAnimMode() { return mAnimMode; }
+	void SetAnimMode(eTextureAnimMode aMode) { mAnimMode = aMode; };
+
+	eTextureType GetTextureType() { return mType; }
+	bool UsesMipMaps() { return mbUseMipMaps; }
+	void SetMipMapUse(bool abX) { mbUseMipMaps = abX; }
+	eTextureTarget GetTarget() { return mTarget; }
+
+	virtual bool HasAnimation() = 0;
+	virtual void NextFrame() = 0;
+	virtual void PrevFrame() = 0;
+	virtual float GetT() = 0;
+	virtual float GetTimeCount() = 0;
+	virtual void SetTimeCount(float afX) = 0;
+	virtual int GetCurrentLowlevelHandle() = 0;
+
+protected:
+	eTextureType mType;
+	eTextureTarget mTarget;
+	eTextureWrap mWrapS;
+	eTextureWrap mWrapT;
+	eTextureWrap mWrapR;
+	eTextureFilter mFilter;
+	float mfAnisotropyDegree;
+
+	bool mbUseMipMaps;
+	bool mbCompress;
+	iLowLevelGraphics *mpLowLevelGraphics;
+	float mfFrameTime;
+	eTextureAnimMode mAnimMode;
+	unsigned int mlSizeLevel;
+	uint32 _bpp;
+	cVector2l mvMinLevelSize;
+};
+
+typedef Common::Array<iTexture *> tTextureVec;
+typedef tTextureVec::iterator tTextureVecIt;
+
+} // namespace hpl
+
+#endif // HPL_TEXTURE_H