Map Renderer: Cleaned up interface to the angle clipper

doomsday/client/include/render/rend_clip.h

@@ -1,6 +1,6 @@
-/**
- * @file rend_clip.h
- * Angle Clipper (clipnodes and oranges). @ingroup render
+/** @file rend_clip.h Angle Clipper (clipnodes and oranges).
+ *
+ * @ingroup render
  *
  * The idea is to keep track of occluded angles around the camera.
  * Since BSP leafs are rendered front-to-back, the occlusion lists
@@ -28,26 +28,23 @@
  * 02110-1301 USA</small>
  */
 
-#ifndef LIBDENG_RENDER_CLIP_H
-#define LIBDENG_RENDER_CLIP_H
+#ifndef DENG_RENDER_ANGLE_CLIPPER
+#define DENG_RENDER_ANGLE_CLIPPER
 
-#include "map/p_mapdata.h"
 #include <de/binangle.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+class BspLeaf;
 
-extern int devNoCulling;
+DENG_EXTERN_C int devNoCulling;
 
-void C_Init(void);
+void C_Init();
 
 /**
  * @return  Non-zero if clipnodes cover the whole range [0..360] degrees.
  */
-int C_IsFull(void);
+int C_IsFull();
 
-void C_ClearRanges(void);
+void C_ClearRanges();
 
 int C_SafeAddRange(binangle_t startAngle, binangle_t endAngle);
 
@@ -66,34 +63,28 @@ int C_IsAngleVisible(binangle_t bang);
 /**
  * @return  Non-zero if @a bspLeaf might be visible, else @c 0.
  */
-int C_CheckBspLeaf(BspLeaf* bspLeaf);
+int C_CheckBspLeaf(BspLeaf *bspLeaf);
 
 /**
  * Add a segment relative to the current viewpoint.
  */
 void C_AddRangeFromViewRelPoints(coord_t const from[2], coord_t const to[2]);
-void C_AddRangeFromViewRelPointsXY(coord_t fromX, coord_t fromY, coord_t toX, coord_t toY);
 
 /**
  * Add an occlusion segment relative to the current viewpoint.
  */
-void C_AddViewRelOcclusion(coord_t const* v1, coord_t const* v2, coord_t height, boolean tophalf);
+void C_AddViewRelOcclusion(coord_t const from[2], coord_t const to[2], coord_t height, bool tophalf);
 
 /**
  * Check a segment relative to the current viewpoint.
  */
 int C_CheckRangeFromViewRelPoints(coord_t const from[2], coord_t const to[2]);
-int C_CheckRangeFromViewRelPointsXY(coord_t fromX, coord_t fromY, coord_t toX, coord_t toY);
 
 #ifdef DENG_DEBUG
 /**
  * A debugging aid: checks if clipnode links are valid.
  */
-void C_Ranger(void);
-#endif
-
-#ifdef __cplusplus
-} // extern "C"
+void C_Ranger();
 #endif
 
-#endif // LIBDENG_RENDER_CLIP_H
+#endif // DENG_RENDER_ANGLE_CLIPPER