/* * hw_clip.h * SRB2CB * * PrBoom's OpenGL clipping * * */ #ifndef __HARDWARE_HW_CLIP_H__ #define __HARDWARE_HW_CLIP_H__ // OpenGL BSP clipping #include "../doomdef.h" #include "../tables.h" #include "../doomtype.h" #ifdef __cplusplus extern "C" { #endif //#define HAVE_SPHEREFRUSTRUM // enable if you want gld_SphereInFrustum and related code boolean gld_clipper_SafeCheckRange(angle_t startAngle, angle_t endAngle); void gld_clipper_SafeAddClipRange(angle_t startangle, angle_t endangle); void gld_clipper_Clear(void); angle_t gld_FrustumAngle(angle_t tiltangle); #ifdef HAVE_SPHEREFRUSTRUM void gld_FrustrumSetup(void); boolean gld_SphereInFrustum(float x, float y, float z, float radius); #endif #ifdef __cplusplus } // extern "C" #endif #endif // __HARDWARE_HW_CLIP_H__