1 /*
2 	C-Dogs SDL
3 	A port of the legendary (and fun) action/arcade cdogs.
4 	Copyright (C) 1995 Ronny Wester
5 	Copyright (C) 2003 Jeremy Chin
6 	Copyright (C) 2003-2007 Lucas Martin-King
7 
8 	This program is free software; you can redistribute it and/or modify
9 	it under the terms of the GNU General Public License as published by
10 	the Free Software Foundation; either version 2 of the License, or
11 	(at your option) any later version.
12 
13 	This program is distributed in the hope that it will be useful,
14 	but WITHOUT ANY WARRANTY; without even the implied warranty of
15 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 	GNU General Public License for more details.
17 
18 	You should have received a copy of the GNU General Public License
19 	along with this program; if not, write to the Free Software
20 	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21 
22 	This file incorporates work covered by the following copyright and
23 	permission notice:
24 
25 	Copyright (c) 2013-2015, 2017-2021 Cong Xu
26 	All rights reserved.
27 
28 	Redistribution and use in source and binary forms, with or without
29 	modification, are permitted provided that the following conditions are met:
30 
31 	Redistributions of source code must retain the above copyright notice, this
32 	list of conditions and the following disclaimer.
33 	Redistributions in binary form must reproduce the above copyright notice,
34 	this list of conditions and the following disclaimer in the documentation
35 	and/or other materials provided with the distribution.
36 
37 	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
38 	AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
39 	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
40 	ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
41 	LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
42 	CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
43 	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
44 	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
45 	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
47 	POSSIBILITY OF SUCH DAMAGE.
48 */
49 #pragma once
50 
51 #include "campaigns.h"
52 #include "map.h"
53 #include "mission.h"
54 
55 typedef struct
56 {
57 	Map *Map;
58 	const Mission *mission;
59 	const Campaign *co;
60 
61 	// internal data structures to help build the map
62 	CArray access;	  // of uint16_t
63 	CArray tiles;	  // of TileClass
64 	CArray leaveFree; // of bool
65 } MapBuilder;
66 
67 void MapBuild(
68 	Map *m, const Mission *mission, const Campaign *co,
69 	const int missionIndex);
70 void MapBuilderInit(
71 	MapBuilder *mb, Map *m, const Mission *mission, const Campaign *co);
72 void MapBuilderTerminate(MapBuilder *mb);
73 
74 void MapLoadDynamic(MapBuilder *mb);
75 
76 uint16_t MapBuildGetAccess(const MapBuilder *mb, const struct vec2i pos);
77 void MapBuildSetAccess(MapBuilder *mb, struct vec2i pos, const uint16_t v);
78 const TileClass *MapBuilderGetTile(
79 	const MapBuilder *mb, const struct vec2i pos);
80 void MapBuilderSetTile(MapBuilder *mb, struct vec2i pos, const TileClass *t);
81 
82 // Mark a tile so that it is left free of other map objects
83 void MapBuilderSetLeaveFree(
84 	MapBuilder *mb, const struct vec2i tile, const bool value);
85 bool MapBuilderIsLeaveFree(const MapBuilder *mb, const struct vec2i tile);
86 
87 bool MapTryPlaceOneObject(
88 	MapBuilder *mb, const struct vec2i v, const MapObject *mo,
89 	const int extraFlags, const bool isStrictMode);
90 // TODO: refactor
91 void MapPlaceCollectible(
92 	const Mission *m, const int objective, const struct vec2 pos);
93 // TODO: refactor
94 void MapPlaceKey(
95 	MapBuilder *mb, const struct vec2i tilePos, const int keyIndex);
96 bool MapPlaceRandomTile(
97 	MapBuilder *mb, const PlacementAccessFlags paFlags,
98 	bool (*tryPlaceFunc)(MapBuilder *, const struct vec2i, void *),
99 	void *data);
100 
101 bool MapIsAreaInside(
102 	const Map *map, const struct vec2i pos, const struct vec2i size);
103 bool MapBuilderIsAreaFunc(
104 	const MapBuilder *mb, const struct vec2i pos, const struct vec2i size,
105 	bool (*func)(const MapBuilder *, const struct vec2i));
106 bool MapIsAreaClear(
107 	const MapBuilder *mb, const struct vec2i pos, const struct vec2i size);
108 bool MapIsAreaClearOrRoom(
109 	const MapBuilder *mb, const struct vec2i pos, const struct vec2i size);
110 bool MapIsAreaClearOrWall(
111 	const MapBuilder *mb, struct vec2i pos, struct vec2i size);
112 bool MapGetRoomOverlapSize(
113 	const MapBuilder *mb, const Rect2i r, uint16_t *overlapAccess);
114 bool MapIsLessThanTwoWallOverlaps(
115 	const MapBuilder *mb, struct vec2i pos, struct vec2i size);
116 void MapFillRect(MapBuilder *mb, const Rect2i r, const TileClass *edge, const TileClass *fill);
117 struct vec2i MapGetRoomSize(const RoomParams r, const int doorMin);
118 void MapMakeRoom(
119 	MapBuilder *mb, const struct vec2i pos, const struct vec2i size,
120 	const bool walls, const TileClass *wall, const TileClass *room,
121 	const bool removeInterRoomWalls);
122 void MapMakeRoomWalls(
123 	MapBuilder *mb, const RoomParams r, const TileClass *wall, const Rect2i room);
124 bool MapTryBuildWall(
125 	MapBuilder *mb, const bool isRoom, const int pad, const int wallLength,
126 	const TileClass *wall, const Rect2i r);
127 void MapSetRoomAccessMask(
128 	MapBuilder *mb, const Rect2i r, const uint16_t accessMask);
129 void MapSetRoomAccessMaskOverlap(
130 	MapBuilder *mb, CArray *rooms, const uint16_t accessMask);
131 void MapPlaceDoors(
132 	MapBuilder *mb, const Rect2i r, const bool hasDoors, const bool doors[4],
133 	const int doorMin, const int doorMax, const uint16_t accessMask,
134 	const bool randomPos,
135 	const TileClass *door, const TileClass *floor);
136 
137 void MapBuildTile(
138 	MapBuilder *mb, const struct vec2i pos, const TileClass *tile);
139 
140 uint16_t GenerateAccessMask(int *accessLevel);
141 
142 void SetupWallTileClasses(PicManager *pm, const TileClass *base);
143 void SetupFloorTileClasses(PicManager *pm, const TileClass *base);
144 void SetupDoorTileClasses(PicManager *pm, const TileClass *base);
145