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69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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#ifndef __OCCLUDE_H__
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#define __OCCLUDE_H__
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//#define OCCLUDER_USES_VU0_MACROMODE
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#define OCCLUDER_USES_VU0_MICROMODE
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namespace NxPs2
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{
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void AddOcclusionPoly( Mth::Vector &v0, Mth::Vector &v1, Mth::Vector &v2, Mth::Vector &v3, uint32 checksum = 0 );
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void EnableOcclusionPoly( uint32 checksum, bool available );
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void RemoveAllOcclusionPolys( void );
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void BuildOccluders( Mth::Vector *p_cam_pos );
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bool TestSphereAgainstOccluders( Mth::Vector *p_center, float radius, uint32 meshes = 1 );
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bool OccludeUseVU0();
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void OccludeDisableVU0();
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bool OccludeUseScratchPad();
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void OccludeDisableScratchPad();
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const uint32 MAX_NEW_OCCLUSION_POLYS_TO_CHECK_PER_FRAME = 4;
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const uint32 MIN_NEW_OCCLUSION_POLYS_TO_CHECK_PER_FRAME = 4;
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/*****************************************************************************
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** Private Types **
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*****************************************************************************/
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// Structure used to store details of a single poly. A list of these will be built at geometry load time.
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struct sOcclusionPoly
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{
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bool in_use;
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bool available; // Whether the poly is available for selection for occlusion.
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uint32 checksum; // Name checksum of the occlusion poly.
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Mth::Vector verts[4];
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Mth::Vector normal;
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};
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const uint32 MAX_OCCLUDERS = 12;
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struct sOccluder
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{
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static uint32 NumOccluders;
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static sOccluder Occluders[MAX_OCCLUDERS];
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static bool sUseVU0;
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static bool sUseScratchPad;
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static void add_to_stack( sOcclusionPoly *p_poly );
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static void sort_stack( void );
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static void tidy_stack( void );
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sOcclusionPoly *p_poly;
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Mth::Vector planes[5];
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int score; // Current rating on quality of occlusion - based on number of meshes occluded last frame.
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};
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const uint32 MAX_OCCLUSION_POLYS = 128; // not currently useing that many
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extern uint32 NumOcclusionPolys;
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extern uint32 NextOcclusionPolyToCheck;
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extern sOcclusionPoly OcclusionPolys[];
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}
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#endif
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