Cyd
2b8ca921cb
Complete disaster-recovery snapshot: engine/game source, game data assets, VC6 toolchain + DX SDKs, build outputs, deployed game, and _UNUSED archive. Large binaries in Git LFS; text preserved byte-for-byte (core.autocrlf=false, no eol attributes). See RECOVERY.md for the one-clone rebuild procedure.
44 lines
1.7 KiB
C++
44 lines
1.7 KiB
C++
/**********************************************************************
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*<
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FILE: shadbuf.h : Shadow buffer renderer.
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DESCRIPTION:
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CREATED BY: Dan Silva
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HISTORY:
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*> Copyright (c) 1994, All Rights Reserved.
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**********************************************************************/
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#ifndef __SHADBUF__H
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#define __SHADBUF__H
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class ShadBufRenderer {
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public:
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// Compute a shadow Z buffer for the current scene from the viewpoint of the light.
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// NOTE: The computed shadow buffer has positive Z values as you go away from the light, which is
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// the reverse of the MAX coord system.
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// Returns the number of objects that the shadow volume intersected. If this value is 0,
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// the shadow buffer can be freed to save memory.
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virtual int Render(
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RendContext &rc,
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RenderGlobalContext *RGC,
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float *buf, // preallocated (shadsize*shadsize) floats
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BOOL parallel, // parallel or perspective projection
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int shadsize, // size of the buffer (shadsize by shadsize pixels)
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float param, // persp:field-of-view (radians) -- parallel : width in world coords
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float aspect, // aspect ration of the buffer projection
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float clipDist, // don't consider objects farther than this from light
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ObjLightDesc *ltDesc, // descriptor for light that was passed in to CreateShadowGenerator
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Matrix3 worldToLight // world to light transfor for light
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)=0;
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virtual float Furthest()=0; // after render, this gives the farthest Z in the buffer
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virtual float Closest()=0; // after render, this gives the closest Z in the buffer.
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virtual void DeleteThis()=0;
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};
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CoreExport ShadBufRenderer *NewDefaultShadBufRenderer();
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#endif __SHADBUF__H
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