Engine directory for ticket #1

Engine/source/T3D/physics/physicsCollision.h

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+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef _T3D_PHYSICS_PHYSICSCOLLISION_H_
+#define _T3D_PHYSICS_PHYSICSCOLLISION_H_
+
+#ifndef _REFBASE_H_
+#include "core/util/refBase.h"
+#endif
+
+class Point3F;
+class MatrixF;
+class PlaneF;
+
+
+/// The shared collision representation for a instance of a 
+/// static or dynamic physics body.
+///
+/// Note that making very big convex primitives can cause bad
+/// queries and collisions in some physics providers.
+///
+/// @see PhysicsBody
+///
+class PhysicsCollision : public StrongRefBase
+{
+public:
+
+   /// Add an infinite plane to the collision shape.
+   ///
+   /// This shape is assumed to be static in some physics
+   /// providers and will at times be faked with a large box.
+   ///
+   virtual void addPlane( const PlaneF &plane ) = 0;
+
+   /// Add a box to the collision shape.
+   virtual void addBox( const Point3F &halfWidth,
+                        const MatrixF &localXfm ) = 0;
+
+   /// Add a sphere to the collision shape.
+   virtual void addSphere( F32 radius,
+                           const MatrixF &localXfm ) = 0;
+
+   /// Add a Y axis capsule to the collision shape.
+   virtual void addCapsule(   F32 radius,
+                              F32 height,
+                              const MatrixF &localXfm ) = 0;
+
+   /// Add a point cloud convex hull to the collision shape.
+   virtual bool addConvex( const Point3F *points, 
+                           U32 count,
+                           const MatrixF &localXfm ) = 0;
+
+   /// Add a triangle mesh to the collision shape.
+   virtual bool addTriangleMesh( const Point3F *vert,
+                                 U32 vertCount,
+                                 const U32 *index,
+                                 U32 triCount,
+                                 const MatrixF &localXfm ) = 0;
+
+   /// Add a heightfield to the collision shape.
+   virtual bool addHeightfield(  const U16 *heights,
+                                 const bool *holes,
+                                 U32 blockSize,
+                                 F32 metersPerSample,
+                                 const MatrixF &localXfm ) = 0;
+};
+
+#endif // _T3D_PHYSICS_PHYSICSCOLLISION_H_