C4TransferZone.h

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/*
 * OpenClonk, http://www.openclonk.org
 *
 * Copyright (c) 1998-2000, Matthes Bender
 * Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
 * Copyright (c) 2009-2016, The OpenClonk Team and contributors
 *
 * Distributed under the terms of the ISC license; see accompanying file
 * "COPYING" for details.
 *
 * "Clonk" is a registered trademark of Matthes Bender, used with permission.
 * See accompanying file "TRADEMARK" for details.
 *
 * To redistribute this file separately, substitute the full license texts
 * for the above references.
 */
 
/* Special regions to extend the pathfinder */
 
#ifndef INC_C4TransferZone
#define INC_C4TransferZone
 
class C4TransferZone
{
    friend class C4TransferZones;
public:
    C4TransferZone();
    ~C4TransferZone();
public:
    C4Object *Object;
    int32_t X,Y,Wdt,Hgt;
    bool Used;
protected:
    C4TransferZone *Next;
public:
    bool GetEntryPoint(int32_t &rX, int32_t &rY, int32_t iToX, int32_t iToY);
    void Draw(C4TargetFacet &cgo, bool fHighlight=false);
    bool At(int32_t iX, int32_t iY);
};
 
class C4TransferZones
{
public:
    C4TransferZones();
    ~C4TransferZones();
protected:
    int32_t RemoveNullZones();
    C4TransferZone *First;
public:
    void Default();
    void Clear();
    void ClearUsed();
    void ClearPointers(C4Object *pObj);
    void Draw(C4TargetFacet &cgo);
    void Synchronize();
    C4TransferZone* Find(C4Object *pObj);
    C4TransferZone* Find(int32_t iX, int32_t iY);
    bool Add(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, C4Object *pObj);
    bool Set(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, C4Object *pObj);
};
 
#endif