1 /*
2  * OpenClonk, http://www.openclonk.org
3  *
4  * Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
5  * Copyright (c) 2013-2016, The OpenClonk Team and contributors
6  *
7  * Distributed under the terms of the ISC license; see accompanying file
8  * "COPYING" for details.
9  *
10  * "Clonk" is a registered trademark of Matthes Bender, used with permission.
11  * See accompanying file "TRADEMARK" for details.
12  *
13  * To redistribute this file separately, substitute the full license texts
14  * for the above references.
15  */
16 
17 // object list sectors
18 
19 #ifndef INC_C4Sector
20 #define INC_C4Sector
21 
22 #include "lib/C4Rect.h"
23 #include "object/C4ObjectList.h"
24 
25 // class predefs
26 class C4LSector;
27 class C4LSectors;
28 class C4LArea;
29 
30 // constants
31 const int32_t C4LSectorWdt = 50,
32                              C4LSectorHgt = 50;
33 
34 // one of those object list sectors
35 class C4LSector
36 {
37 public:
38 	C4LSector() = default; // constructor
~C4LSector()39 	~C4LSector() { Clear(); } // destructor
40 
41 protected:
42 	void Init(int ix, int iy);
43 	void Clear();
44 
45 public:
46 	int x, y; // pos
47 
48 	C4ObjectList Objects; // objects within this sector
49 	C4ObjectList ObjectShapes; // objects with shapes that overlap this sector
50 
51 	void CompileFunc(StdCompiler *pComp, C4ValueNumbers * numbers);
52 	void ClearObjects(); // remove all objects from object lists
53 
54 	friend class C4LSectors;
55 };
56 
57 // the whole map
58 class C4LSectors
59 {
60 public:
61 	C4LSector *Sectors; // mem holding the sector array
62 	int PxWdt, PxHgt; // size in px
63 	int Wdt, Hgt, Size; // sector count
64 
65 	C4LSector SectorOut; // the sector "outside"
66 
67 public:
68 	void Init(int Wdt, int Hgt); // init map sectors
69 	void Clear(); // free map sectors
70 	C4LSector *SectorAt(int ix, int iy); // get sector at pos
71 
72 	void Add(C4Object *pObj, C4ObjectList *pMainList);
73 	void Update(C4Object *pObj, C4ObjectList *pMainList); // does not update object order!
74 	void Remove(C4Object *pObj);
75 	void ClearObjects(); // remove all objects from object lists
76 
77 	void AssertObjectNotInList(C4Object *pObj); // searches all sector lists for object, and assert if it's inside a list
78 
79 	int getShapeSum() const;
80 
81 	void Dump();
82 	bool CheckSort();
83 };
84 
85 // a defined sector-area within the map
86 class C4LArea
87 {
88 public:
89 	C4LSector *pFirst;
90 	int xL, yL, dpitch; // bounds / delta-pitch
91 	C4LSector *pOut; // outside?
92 
C4LArea()93 	C4LArea() { Clear(); } // default constructor
C4LArea(C4LSectors * pSectors,int ix,int iy,int iwdt,int ihgt)94 	C4LArea(C4LSectors *pSectors, int ix, int iy, int iwdt, int ihgt) // initializing constructor
95 	{ Set(pSectors, C4Rect(ix, iy, iwdt, ihgt)); }
C4LArea(C4LSectors * pSectors,const C4Rect & rect)96 	C4LArea(C4LSectors *pSectors, const C4Rect &rect) // initializing constructor
97 	{ Set(pSectors, rect); }
98 
C4LArea(C4LSectors * pSectors,C4Object * pObj)99 	C4LArea(C4LSectors *pSectors, C4Object *pObj) // initializing constructor
100 	{ Set(pSectors, pObj); }
101 
Clear()102 	inline void Clear() { pFirst=pOut=nullptr; } // zero sector
103 
104 	bool operator == (const C4LArea &Area) const;
105 
IsNull()106 	bool IsNull() const { return !pFirst; }
107 
108 	void Set(C4LSectors *pSectors, const C4Rect &rect); // set rect, calc bounds and get pitch
109 	void Set(C4LSectors *pSectors, C4Object *pObj); // set to object facet rect
110 
First()111 	C4LSector *First() const { return pFirst; } // get first sector
112 	C4LSector *Next(C4LSector *pPrev) const; // get next sector within area
113 
114 	// void MoveObject(C4Object *pObj, const C4LArea &toArea); // store object into new area
115 
116 	bool Contains(C4LSector *pSct) const; // return whether sector is contained in area
117 
FirstObjects(C4LSector ** ppSct)118 	inline C4ObjectList *FirstObjects(C4LSector **ppSct) // get first object list of this area
119 	{ *ppSct=nullptr; return NextObjects(nullptr, ppSct); }
120 	C4ObjectList *NextObjects(C4ObjectList *pPrev, C4LSector **ppSct); // get next object list of this area
121 
FirstObjectShapes(C4LSector ** ppSct)122 	inline C4ObjectList *FirstObjectShapes(C4LSector **ppSct) // get first object shapes list of this area
123 	{ *ppSct=nullptr; return NextObjectShapes(nullptr, ppSct); }
124 	C4ObjectList *NextObjectShapes(C4ObjectList *pPrev, C4LSector **ppSct); // get next object shapes list of this area
125 
126 	void DebugRec(class C4Object *pObj, char cMarker);
127 };
128 
129 #endif
130