Engine directory for ticket #1

Engine/source/collision/optimizedPolyList.h

@@ -0,0 +1,160 @@
+//-----------------------------------------------------------------------------
+// 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 _OPTIMIZEDPOLYLIST_H_
+#define _OPTIMIZEDPOLYLIST_H_
+
+#ifndef _ABSTRACTPOLYLIST_H_
+#include "collision/abstractPolyList.h"
+#endif
+
+#ifndef _MPOLYHEDRON_H_
+#include "math/mPolyhedron.h"
+#endif
+
+#define DEV 0.01
+
+/// A concrete, renderable PolyList
+///
+/// This class is used to store geometry from a PolyList query.
+/// 
+/// @see AbstractPolyList
+class OptimizedPolyList : public AbstractPolyList
+{
+  public:
+
+   enum PolyType
+   {
+      TriangleFan,
+      TriangleStrip,
+      TriangleList
+   };
+
+   struct VertIndex
+   {
+      S32 vertIdx;
+      S32 normalIdx;
+      S32 uv0Idx;
+      S32 uv1Idx;
+
+      VertIndex()
+         : vertIdx( -1 ),
+           normalIdx ( -1 ),
+           uv0Idx( -1 ),
+           uv1Idx( -1 )
+      {
+      }
+
+      bool operator==(const VertIndex& _test) const
+      {
+         return ( vertIdx   == _test.vertIdx &&
+                  normalIdx == _test.normalIdx &&
+                  uv0Idx    == _test.uv0Idx &&
+                  uv1Idx    == _test.uv1Idx );
+      }
+   };
+
+   struct Poly
+   {
+      S32 plane;
+      S32 material;
+      U32 vertexStart;
+      U32 vertexCount;
+      U32 surfaceKey;
+
+      SceneObject* object;
+
+      PolyType type;
+
+      Poly()
+         : plane( -1 ),
+           object( NULL ),
+           vertexCount( 0 ),
+           material( NULL ),
+           type( TriangleFan )
+      {
+      }
+   };
+
+   // Vertex data
+   Vector<Point3F>   mPoints;
+   Vector<Point3F>   mNormals;
+   Vector<Point2F>   mUV0s;
+   Vector<Point2F>   mUV1s;
+
+   // List of the VertIndex structure that puts
+   // all of the vertex data together
+   Vector<VertIndex> mVertexList;
+
+   // Polygon data
+   Vector<U32>       mIndexList;
+   Vector<PlaneF>    mPlaneList;
+
+   Vector<BaseMatInstance*> mMaterialList;
+
+   // The Polygon structure puts the vertex data
+   // and the polygon together
+   Vector<Poly>      mPolyList;
+
+  public:
+   OptimizedPolyList();
+   ~OptimizedPolyList();
+   void clear();
+
+   // Virtual methods
+   U32  addPoint(const Point3F& p);
+   U32  addPlane(const PlaneF& plane);
+
+   void begin(BaseMatInstance* material, U32 surfaceKey);
+   void begin(BaseMatInstance* material, U32 surfaceKey, PolyType type);
+   void plane(U32 v1, U32 v2, U32 v3);
+   void plane(const PlaneF& p);
+   void plane(const U32 index);
+   void vertex(U32 vi);
+   void vertex(const Point3F& p);
+   void vertex(const Point3F& p,
+               const Point3F& normal,
+               const Point2F& uv0 = Point2F(0.0f, 0.0f),
+               const Point2F& uv1 = Point2F(0.0f, 0.0f));
+   void end();
+
+   U32 insertPoint(const Point3F& point);
+   U32 insertNormal(const Point3F& normal);
+   U32 insertUV0(const Point2F& uv);
+   U32 insertUV1(const Point2F& uv);
+   U32 insertPlane(const PlaneF& plane);
+   U32 insertMaterial(BaseMatInstance* baseMat);
+
+   U32 insertVertex(const Point3F& point,
+                    const Point3F& normal = Point3F(0.0f, 0.0f, 1.0f),
+                    const Point2F& uv0    = Point2F(0.0f, 0.0f),
+                    const Point2F& uv1    = Point2F(0.0f, 0.0f));
+
+   bool isEmpty() const;
+
+   Polyhedron toPolyhedron() const;
+
+  protected:
+   const PlaneF& getIndexedPlane(const U32 index);
+};
+
+#endif  // _OPTIMIZEDPOLYLIST_H_