Initial commit

Torque/SDK/engine/util/frustrumCuller.h

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+//-----------------------------------------------------------------------------
+// Torque Shader Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#ifndef _FRUSTRUMCULLER_H_
+#define _FRUSTRUMCULLER_H_
+
+#include "math/mBox.h"
+#include "sceneGraph/sceneState.h"
+
+namespace FrustrumCuller
+{
+   enum
+   {
+      /// We need to store at least 4 clip planes (sides of view frustrum).
+      MaxClipPlanes = 5,
+
+      // Clipping related flags...
+      ClipPlaneMask    = BIT(MaxClipPlanes) - 1,
+      FarSphereMask    = BIT(MaxClipPlanes + 1),
+      FogPlaneBoxMask  = BIT(MaxClipPlanes + 2),
+
+      AllClipPlanes    = ClipPlaneMask | FarSphereMask,
+
+   };
+
+   extern SceneState *smSceneState;
+   extern Point3F     smCamPos;
+   extern F32         smFarDistance;
+   extern U32         smNumClipPlanes;
+   extern PlaneF      smClipPlane[MaxClipPlanes];
+
+   void init(SceneState *state);
+   S32  testBoxVisibility(const Box3F &bounds, const S32 mask, const F32 expand);
+   F32  getBoxDistance(const Box3F &box);
+};
+
+#endif