73 lines
2.3 KiB
C++
Executable File
73 lines
2.3 KiB
C++
Executable File
//-----------------------------------------------------------------------------
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// Torque Game Engine
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// Copyright (C) GarageGames.com, Inc.
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//-----------------------------------------------------------------------------
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#ifndef _TSLASTDETAIL_H_
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#define _TSLASTDETAIL_H_
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#ifndef _MATHTYPES_H_
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#include "math/mathTypes.h"
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#endif
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#ifndef _MPOINT_H_
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#include "math/mPoint.h"
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#endif
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#ifndef _MMATRIX_H_
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#include "math/mMatrix.h"
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#endif
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#ifndef _TVECTOR_H_
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#include "core/tVector.h"
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#endif
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class TSShape;
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class TSShapeInstance;
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class GBitmap;
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class TextureHandle;
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/// This neat little class renders the object to a texture so that when the object
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/// is far away, it can be drawn as a billboard instead of a mesh. This happens
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/// when the model is first loaded as to keep the realtime render as fast as possible.
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/// It also renders the model from a few different perspectives so that it would actually
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/// pass as a model instead of a silly old billboard.
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class TSLastDetail
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{
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U32 mNumEquatorSteps; ///< number steps around the equator of the globe
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U32 mNumPolarSteps; ///< number of steps to go from equator to each polar region (0 means equator only)
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F32 mPolarAngle; ///< angle in radians of sub-polar regions
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bool mIncludePoles; ///< include poles in snapshot?
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Point3F mCenter;
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/// remember these values so we can save some work next time we render...
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U32 mBitmapIndex;
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F32 mRotY;
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Vector<GBitmap*> mBitmaps; ///< Rendered bitmaps
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Vector<TextureHandle*> mTextures;///< Texture handles for those bitmaps
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Point3F mPoints[4]; ///< always draw poly defined by these points...
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static Point3F smNorms[4];
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static Point2F smTVerts[4];
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public:
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/// This indicates that the TSLastDetail need neither clear nor set gl render states.
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///
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/// If you're doing a more complex renderer this is a useful trick.
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static bool smDirtyMode;
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TSLastDetail(TSShapeInstance * shape, U32 numEquatorSteps, U32 numPolarSteps, F32 polarAngle, bool includePoles, S32 dl, S32 dim);
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~TSLastDetail();
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void render(F32 alpha, bool drawFog);
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void renderNoFog(F32 alpha);
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void renderFog_Combine(F32 alpha);
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void renderFog_MultiCombine(F32 alpha);
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void chooseView(const MatrixF &, const Point3F & scale);
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};
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#endif // _TS_LAST_DETAIL
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