src/game_em/export.h

   1 #ifndef EXPORT_H
   2 #define EXPORT_H
   3
   4 // ============================================================================
   5 // functions and definitions exported from game_em to main program
   6 // ============================================================================
   7
   8 #include "emerald.h"
   9 #include "cave.h"
  10
  11
  12 // ----------------------------------------------------------------------------
  13 // constant definitions
  14 // ----------------------------------------------------------------------------
  15
  16 #define EM_MAX_CAVE_WIDTH               CAVE_WIDTH
  17 #define EM_MAX_CAVE_HEIGHT              CAVE_HEIGHT
  18
  19
  20 // ----------------------------------------------------------------------------
  21 // exported structures
  22 // ----------------------------------------------------------------------------
  23
  24 struct GlobalInfo_EM
  25 {
  26   Bitmap *screenbuffer;
  27 };
  28
  29 struct GameInfo_EM
  30 {
  31   unsigned int random;
  32
  33   boolean level_solved;
  34   boolean game_over;
  35
  36   boolean any_player_moving;
  37   boolean any_player_snapping;
  38
  39   boolean use_single_button;
  40   boolean use_snap_key_bug;
  41
  42   int last_moving_player;
  43   int last_player_direction[MAX_PLAYERS];
  44
  45   struct LOGIC *lev;
  46   struct PLAYER *ply[MAX_PLAYERS];
  47 };
  48
  49 struct LevelInfo_EM
  50 {
  51   int file_version;
  52
  53   struct CAVE *cav;
  54 };
  55
  56 struct GraphicInfo_EM
  57 {
  58   Bitmap *bitmap;
  59   int src_x, src_y;
  60   int src_offset_x, src_offset_y;
  61   int dst_offset_x, dst_offset_y;
  62   int width, height;
  63
  64   Bitmap *crumbled_bitmap;
  65   int crumbled_src_x, crumbled_src_y;
  66   int crumbled_border_size;
  67   int crumbled_tile_size;
  68
  69   boolean has_crumbled_graphics;
  70   boolean preserve_background;
  71
  72   int unique_identifier;        /* used to identify needed screen updates */
  73 };
  74
  75 struct EngineSnapshotInfo_EM
  76 {
  77   struct GameInfo_EM game_em;
  78   struct LOGIC lev;
  79   struct PLAYER ply[MAX_PLAYERS];
  80
  81   int frame;
  82   int screen_x;
  83   int screen_y;
  84 };
  85
  86
  87 // ----------------------------------------------------------------------------
  88 // exported functions
  89 // ----------------------------------------------------------------------------
  90
  91 extern struct GlobalInfo_EM global_em_info;
  92 extern struct GameInfo_EM game_em;
  93 extern struct LevelInfo_EM native_em_level;
  94 extern struct GraphicInfo_EM graphic_info_em_object[TILE_MAX][8];
  95 extern struct GraphicInfo_EM graphic_info_em_player[MAX_PLAYERS][PLY_MAX][8];
  96 extern struct EngineSnapshotInfo_EM engine_snapshot_em;
  97
  98 void em_open_all(void);
  99 void em_close_all(void);
 100
 101 void InitGfxBuffers_EM(void);
 102
 103 void InitGameEngine_EM(void);
 104 void GameActions_EM(byte *, boolean);
 105
 106 unsigned int InitEngineRandom_EM(int);
 107
 108 void setLevelInfoToDefaults_EM(void);
 109 boolean LoadNativeLevel_EM(char *, boolean);
 110
 111 int getFieldbufferOffsetX_EM(void);
 112 int getFieldbufferOffsetY_EM(void);
 113
 114 void BlitScreenToBitmap_EM(Bitmap *);
 115 void RedrawPlayfield_EM(boolean);
 116
 117 void LoadEngineSnapshotValues_EM(void);
 118 void SaveEngineSnapshotValues_EM(void);
 119
 120 boolean checkIfAllPlayersFitToScreen(void);
 121
 122 #endif  // EXPORT_H