forked from Mirrors/openclonk
109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 1998-2000, 2007 Matthes Bender
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* Copyright (c) 2001, 2003-2006 Sven Eberhardt
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* Copyright (c) 2005-2006 Peter Wortmann
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* Copyright (c) 2006, 2009 Günther Brammer
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
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*
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* Portions might be copyrighted by other authors who have contributed
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* to OpenClonk.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* See isc_license.txt for full license and disclaimer.
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*
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* "Clonk" is a registered trademark of Matthes Bender.
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* See clonk_trademark_license.txt for full license.
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*/
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/* Basic classes for rectangles and vertex outlines */
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#ifndef INC_C4Rect
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#define INC_C4Rect
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#define C4D_VertexCpyPos (C4D_MaxVertex/2)
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class C4Rect
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{
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public:
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int32_t x,y,Wdt,Hgt;
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public:
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void Set(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt);
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void Default();
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BOOL Overlap(C4Rect &rTarget);
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void Intersect(const C4Rect &r2);
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void Add(const C4Rect &r2);
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bool operator ==(const C4Rect &r2) { return !((x-r2.x) | (y-r2.y) | (Wdt-r2.Wdt) | (Hgt-r2.Hgt)); }
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bool operator !=(const C4Rect &r2) { return 0 != ((x-r2.x) | (y-r2.y) | (Wdt-r2.Wdt) | (Hgt-r2.Hgt)); }
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bool Contains(int32_t iX, int32_t iY)
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{ return iX>=x && iX<x+Wdt && iY>=y && iY<y+Hgt; }
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bool Contains(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt)
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{ return iX>=x && iX+iWdt<x+Wdt && iY>=y && iY+iHgt<y+Hgt; }
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bool Contains(const C4Rect &rect)
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{ return Contains(rect.x, rect.y, rect.Wdt, rect.Hgt); }
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bool IntersectsLine(int32_t iX, int32_t iY, int32_t iX2, int32_t iY2);
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void Normalize()
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{ if(Wdt < 0) { x+=Wdt+1; Wdt=-Wdt; } if(Hgt < 0) { y+=Hgt+1; Hgt=-Hgt; } }
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void Enlarge(int32_t iBy)
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{ x -= iBy; y -= iBy; Wdt += 2*iBy; Hgt += 2*iBy; }
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int32_t GetMiddleX() { return x+Wdt/2; }
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int32_t GetMiddleY() { return y+Hgt/2; }
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int32_t GetBottom() { return y+Hgt; }
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C4Rect(int32_t tx, int32_t ty, int32_t twdt, int32_t thgt) // ctor
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{ x=tx; y=ty; Wdt=twdt; Hgt=thgt; }
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C4Rect() { } // default ctor; doesn't initialize
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C4Rect(const FLOAT_RECT &rcfOuter) // set to surround floating point rectangle
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{ x=static_cast<int32_t>(rcfOuter.left); y=static_cast<int32_t>(rcfOuter.top);
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Wdt=static_cast<int32_t>(ceilf(rcfOuter.right)-floorf(rcfOuter.left));
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Hgt=static_cast<int32_t>(ceilf(rcfOuter.bottom)-floorf(rcfOuter.top)); }
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void CompileFunc(StdCompiler *pComp);
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};
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class C4TargetRect: public C4Rect
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{
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public:
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int32_t tx,ty;
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public:
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C4TargetRect(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, int32_t iTX, int32_t iTY)
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: C4Rect(iX, iY, iWdt, iHgt), tx(iTX), ty(iTY) { }
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C4TargetRect() { } // default ctor; doesn't initialize
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void Set(int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, int32_t iTX, int32_t iTY);
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void Default();
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bool ClipBy(C4TargetRect &rClip); // clip this rectangle by the given one (adding target positions) - return false if they don't overlap
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void Set(const C4TargetFacet &rSrc); // copy contents from facet
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void CompileFunc(StdCompiler *pComp);
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};
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const C4Rect Rect0(0,0,0,0);
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const C4TargetRect TargetRect0(0,0,0,0,0,0);
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// a bunch of rectangles
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// rects NOT including pos+size-point
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class C4RectList : public std::vector<C4Rect>
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{
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public:
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void AddRect(const C4Rect &rNewRect)
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{ push_back(rNewRect); }
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void RemoveIndexedRect(int32_t idx)
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{ if (idx<GetCount()-1) Get(idx)=Get(GetCount()-1); pop_back(); }
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void Clear() { clear(); }
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int32_t GetCount() const { return size(); }
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C4Rect &Get(int32_t idx) { return (*this)[idx]; } // access w/o range check
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void ClipByRect(const C4Rect &rClip); // split up rectangles
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};
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#endif // INC_C4Rect
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