include/map.h

   1 /*
   2   Pacman Arena
   3   Copyright (C) 2003 Nuno Subtil
   4
   5   This program is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU General Public License
   7   as published by the Free Software Foundation; either version 2
   8   of the License, or (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; if not, write to the Free Software
  17   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 /* $Id: map.h,v 1.2 2003/11/22 17:32:10 nsubtil Exp $ */
  21
  22 #ifndef _MAP_H
  23 #define _MAP_H
  24
  25 #define MAP_WALL_NONE 0
  26 #define MAP_WALL_VERTICAL 1
  27 #define MAP_WALL_HORIZONTAL 2
  28 #define MAP_WALL_LL 3
  29 #define MAP_WALL_LR 4
  30 #define MAP_WALL_UL 5
  31 #define MAP_WALL_UR 6
  32 /* only ghosts may traverse this wall */
  33 #define MAP_WALL_GHOST_ONLY 7
  34
  35 #define MAP_CONTENT_NONE 0
  36 #define MAP_CONTENT_FOOD 1
  37 #define MAP_CONTENT_PILL 2
  38 #define MAP_CONTENT_TELEPORT 3
  39
  40 #define MAP_FLAGS_NONE 0
  41 #define MAP_FLAG_PACMAN_START_POSITION 1
  42 #define MAP_FLAG_GHOST_START_POSITION 2
  43 #define MAP_FLAG_BOMB 4
  44
  45 /* pacman food */
  46
  47 /* eat once */
  48 #define FOOD_TYPE_NORMAL 0
  49 /* respawns after being eaten */
  50 #define FOOD_TYPE_RESPAWN 1
  51 /* respawns, disappears */
  52 #define FOOD_TYPE_INTERMITTENT 2
  53
  54 #define FOOD_STATUS_ACTIVE 0
  55 #define FOOD_STATUS_EATEN 1
  56
  57 struct pacman_food
  58 {
  59         int type;
  60         int status;
  61         float time;
  62
  63         /* INTERMITTENT: food disappears after being active for active_time seconds */
  64         float active_time;
  65         /* INTERMITTENT: food fades out during last fade_out seconds */
  66         float fade_out;
  67
  68         /* INTERMITTENT/RESPAWN: food respawns after inactive_time seconds */
  69         float inactive_time;
  70         /* INTERMITTENT/RESPAWN: food fades in during last fade_in seconds */
  71         float fade_in;
  72 };
  73
  74
  75 /* pacman pills */
  76
  77 #define PILL_STATUS_ACTIVE 0
  78 #define PILL_STATUS_EATEN 1
  79
  80 /* angular frequency (rad/s) */
  81 #define PILL_BOB_FREQUENCY 4.0
  82
  83 struct pacman_pill
  84 {
  85         int status;
  86         float phase;
  87 };
  88
  89
  90 /* teleports */
  91
  92 struct teleport
  93 {
  94         int dest_x, dest_y;
  95         int direction;
  96 };
  97
  98
  99 /* map tile */
 100
 101 struct map_tile
 102 {
 103         /* wall type */
 104         int wall;
 105
 106         /* content type (food, pill, teleport, etc) */
 107         int content;
 108         /* content data */
 109         union
 110         {
 111                 struct pacman_food food;
 112                 struct pacman_pill pill;
 113                 struct teleport teleport;
 114         } c_data;
 115
 116         /* tile flags */
 117         int flags;
 118
 119         /* ghost direction towards nearest spawn on this tile */
 120         int ghost_dir;
 121         /* ghost direction when ghost is alive (for exits, etc) */
 122         int ghost_dir_alive;
 123 };
 124
 125 struct map
 126 {
 127         int width;
 128         int height;
 129
 130         struct map_tile **tiles;
 131 };
 132
 133 #define MAP(map, x, y) map->tiles[y][x]
 134 #define MAP_CONTENT_DATA(map, x, y) map->tiles[y][x].content_data
 135 #define MAP_CAN_ENTER(map, x, y) (x >= 0 && x < map->width && y >= 0 && y < map->height && MAP(map, x, y).wall == MAP_WALL_NONE)// && MAP(map, x, y).content != MAP_CONTENT_TELEPORT)
 136 #define MAP_CAN_ENTER_GHOST(map, x, y) (x >= 0 && x < map->width && y >= 0 && y < map->height && (MAP(map, x, y).wall == MAP_WALL_NONE || MAP(map, x, y).wall == MAP_WALL_GHOST_ONLY))// && MAP(map, x, y).content != MAP_CONTENT_TELEPORT)
 137
 138 #define MAP_FOOD(map, x, y) MAP(map, x, y).c_data.food
 139 #define MAP_PILL(map, x, y) MAP(map, x, y).c_data.pill
 140 #define MAP_TELEPORT(map, x, y) MAP(map, x, y).c_data.teleport
 141
 142 struct map *map_load_from_ascii(char **game_map, char **ghost_map, int width, int height);
 143 void map_free(struct map *map);
 144 void map_update(struct map *map, float delta);
 145 int map_collision_square(struct game *game, int x, int y);
 146 int map_detect_collision(struct game *game, float start_pos[3], float end_pos[3], int ret[2]);
 147 int map_inside(struct game *game, int x, int y);
 148
 149 #endif