70 lines
3.2 KiB
C++
70 lines
3.2 KiB
C++
//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2007-2015 Joerg Henrichs
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#ifndef HEADER_USER_POINTER_HPP
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#define HEADER_USER_POINTER_HPP
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/** Some bullet objects store 'user pointers'. This is a base class
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* that allows to easily determine the type of the user pointer.
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*/
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class AbstractKart;
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class Flyable;
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class Moveable;
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class PhysicalObject;
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class ThreeDAnimation;
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class TriangleMesh;
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/** A UserPointer is stored as a user pointer in all bullet bodies. This
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* allows easily finding the appropriate STK object for a bullet body.
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*/
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class UserPointer
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{
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public:
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/** List of all possibles STK objects that are represented in the
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* physics. */
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enum UserPointerType {UP_UNDEF, UP_KART, UP_FLYABLE, UP_TRACK,
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UP_PHYSICAL_OBJECT, UP_ANIMATION};
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private:
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void* m_pointer;
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UserPointerType m_user_pointer_type;
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public:
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bool is(UserPointerType t) const {return m_user_pointer_type==t; }
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TriangleMesh* getPointerTriangleMesh() const {return (TriangleMesh*)m_pointer; }
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Moveable* getPointerMoveable() const {return (Moveable*)m_pointer; }
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Flyable* getPointerFlyable() const {return (Flyable*)m_pointer; }
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AbstractKart* getPointerKart() const {return (AbstractKart*)m_pointer; }
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PhysicalObject *getPointerPhysicalObject() const {return (PhysicalObject*)m_pointer; }
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ThreeDAnimation*getPointerAnimation() const {return (ThreeDAnimation*)m_pointer;}
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void set(PhysicalObject* p) { m_user_pointer_type=UP_PHYSICAL_OBJECT;
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m_pointer =p; }
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void set(AbstractKart* p) { m_user_pointer_type=UP_KART;
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m_pointer =p; }
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void set(Flyable* p) { m_user_pointer_type=UP_FLYABLE;
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m_pointer =p; }
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void set(TriangleMesh* p) { m_user_pointer_type=UP_TRACK;
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m_pointer =p; }
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void set(ThreeDAnimation* p){ m_user_pointer_type=UP_ANIMATION;
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m_pointer =p; }
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UserPointer() { zero(); }
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void zero() { m_user_pointer_type=UP_UNDEF;
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m_pointer = NULL; }
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};
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#endif
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/* EOF */
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