Add last of several ray cast/rendering files

graphics/traveler/Makefile

@@ -48,7 +48,7 @@ STACKSIZE = 2048
 ASRCS   =
 CSRCS   = trv_bitmaps.c trv_color.c trv_doors.c trv_graphics.c trv_input.c
 CSRCS  += trv_mem.c trv_plane.c trv_pov.c trv_rayavoid.c trv_raycast.c
-CSRCS  += trv_raycntl.c trv_rayrend.c trv_trigtbl.c
+CSRCS  += trv_raycntl.c trv_rayprune.c trv_rayrend.c trv_trigtbl.c
 MAINSRC = trv_main.c
 
 ifeq ($(CONFIG_NX),y)

graphics/traveler/include/trv_plane.h

@@ -42,6 +42,7 @@
  ****************************************************************************/
 
 #include "trv_types.h"
+#include <stdio.h>
 
 /****************************************************************************
  * Pre-processor Definitions
@@ -138,4 +139,23 @@ extern struct trv_rect_list_s *g_rect_freelist;
  * Public Function Prototypes
  ****************************************************************************/
 
+uint8_t trv_initialize_planes(void);
+void    trv_release_planes(void);
+uint8_t trv_load_planefile(FAR const char *wldfile);
+uint8_t trv_load_planes(FAR FILE *fp);
+uint8_t trv_save_planes(const char *wldfile);
+FAR struct trv_rect_list_s *trv_new_plance(void);
+void    trv_add_plane(FAR struct trv_rect_list_s *rect,
+                      FAR struct trv_rect_head_s *list);
+void    trv_merge_planelists(FAR struct trv_rect_head_s *outlist,
+                             FAR struct trv_rect_head_s *inlist);
+void    trv_remove_plane(FAR struct trv_rect_list_s *rect,
+                         FAR struct trv_rect_head_s *list);
+void    trv_move_plane(FAR struct trv_rect_list_s *rect,
+                       FAR struct trv_rect_head_s *destlist,
+                       FAR struct trv_rect_head_s *srclist);
+struct trv_rect_list_s *trv_find_plane(trv_coord_t h, trv_coord_t v,
+                                       trv_coord_t plane,
+                                       FAR struct trv_rect_head_s *list);
+
 #endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_PLANE_H */