game.h

   1 /*
   2    Cantaveria - action adventure platform game
   3    Copyright (C) 2009 2010 Evan Rinehart
   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
  17
  18    The Free Software Foundation, Inc.
  19    51 Franklin Street, Fifth Floor
  20    Boston, MA  02110-1301, USA
  21 */
  22
  23 #define PIXUP 1024
  24
  25 struct screen {
  26         unsigned char tiles[20][15];
  27         int flags;
  28         int exits[4];
  29 };
  30
  31 typedef struct {
  32         char* name;
  33         struct screen** screens;
  34         int tileset_gfx;
  35         char tileset_shapes[256];
  36         /*background*/
  37         int x,y,w,h;
  38
  39         int bg_gfx;
  40 } zone;
  41
  42 #define ZONE_LOOKUP(Z,I,J) (I >= Z->w || J >= Z->h || I < 0 || J < 0 ? NULL : *(Z->screens + (I) + (J)*Z->w))
  43
  44 struct box{int x,y,w,h;};
  45
  46 typedef struct {
  47         struct box box; /*absolute coords*/
  48         int x, y; /*absolute coords*/
  49         int vx, vy; /* pixels per ms / 256 */
  50         int xoff, yoff; /* pixel coords*/
  51         int bxoff, byoff; /* absolute coords */
  52         enum {LEFT, RIGHT} facing;
  53         sprite* spr; /*pixel coords*/
  54         zone* z;
  55         int si, sj;
  56         int flags;
  57 } mobile;
  58
  59 typedef struct {
  60         struct box box;
  61         int type;
  62 } bullet;
  63
  64 typedef struct {
  65         struct box box;
  66         /*sprite* spr;*/
  67         int params[6];
  68         int t;
  69 } moveplat;
  70
  71
  72 struct player_motion {
  73         int state;
  74         int timer;
  75
  76 };
  77
  78
  79 struct game {
  80         zone* zones[32];
  81         int zone_count;
  82
  83         /*these track the location of the player*/
  84         int player_x;
  85         int player_y;
  86         zone* current_zone;
  87         int si, sj;
  88
  89
  90         /* entities */
  91
  92 };
  93
  94 extern struct game game;
  95
  96 enum {
  97         SPRITE_ONE,
  98         SPRITE_TWO,
  99         SPRITE_THREE,
 100         SPRITE_FOUR,
 101         SPR_BOX
 102 };
 103
 104
 105 /* what is the stuff below doing here */
 106
 107
 108 void load_zone(char* filename);
 109
 110
 111 int stage_collision(mobile* m, zone* z, int si, int sj);
 112 int box_collision(struct box* B1, struct box* B2);
 113
 114 void update_mobile_motion(mobile* m);
 115
 116
 117 void game_setup();