00001 //---------------------------------------------------------------------------------
00002 // File Name: CollisionObject.h
00003 // Description: 
00006 //
00007 // Copyright (C) 2004 - 2006 True Axis Pty Ltd, Australia. 
00008 // All Rights Reserved.
00009 //
00010 // History:
00011 //      Created File.
00012 //---------------------------------------------------------------------------------
00013 
00014 #ifndef TA_COLLISIONOBJECT_H
00015 #define TA_COLLISIONOBJECT_H
00016 
00017 #ifndef TA_AABB_H
00018 #include "../Common/AABB.h"
00019 #endif // TA_AABB_H
00020 
00021 #ifndef TA_REFCOUNT_H
00022 #include "../Common/RefCount.h"
00023 #endif // TA_REFCOUNT_H
00024 
00025 #ifndef TA_PHYSICSCOMMON_H
00026 #include "PhysicsCommon.h"
00027 #endif // TA_PHYSICSCOMMON_H
00028 
00029 TA_OBFUSCATION_SKIP_PASS_2
00030 
00031 namespace TA
00032 {
00033 
00034 struct MFrame;
00035 class Serialiser;
00036 struct Version;
00037 class FileHeader;
00038 class Collision;
00039 
00040 class TAPHYSICS_CLASS CollisionObject : public RefCount
00041 {
00042 public:
00043     TA_OBFUSCATION_RESERVED_ON
00044     enum Type
00045     {
00046         // Simple object types.
00047         // ConvexObjectSimple note these values are critical for use in CollisionObjectCombo.
00048         // The values must match with s_pJumpTable in CollisionObjectCombo.cpp.
00049         TYPE_CONVEX = 0,
00050         TYPE_LINE_LIST,
00051         TYPE_CAPSULE,
00052         TYPE_SPHERE,
00053         TYPE_CYLINDER,
00054 
00055         // Complex Object types.
00056         TYPE_COMPLEX,
00057 
00058         // Other object types.
00059         TYPE_CACHED_POLY_DATA,
00060         TYPE_COMBO,
00061 
00062         NUM_TYPES
00063     };
00064     
00065     virtual ~CollisionObject() {}
00066 
00067     bool InitialiseFromFile(const Char* szFileName);
00068     bool SaveToFile(const Char* szFileName);
00069     bool InitialiseFromFileInMemory(void* pFileData, int nSizeInBytes);
00070     bool SaveToFileInMemory(void* pFileData, int nSizeInBytes);
00071     int CalculateFileSize();
00072 
00074 
00075     TA_OBFUSCATION_RESERVED_OFF
00076     virtual void Serialise(Serialiser& serialiser, const Version& version) { TA_ASSERT(0); }
00077     TA_OBFUSCATION_RESERVED_ON
00079     virtual bool Serialisable() const { return false; }
00080 
00081     virtual void Render(const MFrame& mFrame) {};
00082 
00083     virtual const AABB& GetAABB() const = 0;
00084     
00085     virtual bool TestLineForCollision(
00086         const Vec3& v3Start,
00087         const Vec3& v3Normal,
00088         float fLength,
00089         Collision& collision) const = 0;
00090 
00091     int GetCollisionObjectType() const;
00092     void SetUserData(u32 nUserData);
00093     u32 GetUserData() const;
00094     TA_OBFUSCATION_RESERVED_OFF
00095 
00096 protected:
00097     AABB s_NullAABB;
00098 
00099     CollisionObject(int nType) : m_nType(nType), m_nUserData(0) {}
00100     const AABB& NoGetAABB() const { TA_ASSERT_MSG(0, "GetAABB Not Implemented on this class"); return s_NullAABB; }
00101 
00102 private:
00103     const int m_nType;
00104     int m_nUserData;
00105 
00106     virtual const Char* GetFileHeaderString() const { return 0; }
00107 };
00108 
00109 inline int CollisionObject::GetCollisionObjectType() const { return m_nType; }
00110 inline void CollisionObject::SetUserData(u32 nUserData) { m_nUserData = nUserData; }
00111 inline u32 CollisionObject::GetUserData() const { return m_nUserData; }
00112 
00113 }
00114 
00115 #endif // TA_COLLISIONOBJECT_H