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   int last_moving_player;
  40   int last_player_direction[MAX_PLAYERS];
  41
  42   struct LOGIC *lev;
  43   struct PLAYER *ply[MAX_PLAYERS];
  44
  45   // flags to handle bugs in and changes between different engine versions
  46   boolean use_single_button;
  47   boolean use_snap_key_bug;
  48   boolean use_random_bug;
  49   boolean use_old_explosions;
  50   boolean use_old_android;
  51   boolean use_old_push_elements;
  52   boolean use_old_push_into_acid;
  53   boolean use_wrap_around;
  54   boolean use_push_delay;
  55 };
  56
  57 struct LevelInfo_EM
  58 {
  59   int file_version;
  60
  61   struct CAVE *cav;
  62 };
  63
  64 struct GraphicInfo_EM
  65 {
  66   Bitmap *bitmap;
  67   int src_x, src_y;
  68   int src_offset_x, src_offset_y;
  69   int dst_offset_x, dst_offset_y;
  70   int width, height;
  71
  72   Bitmap *crumbled_bitmap;
  73   int crumbled_src_x, crumbled_src_y;
  74   int crumbled_border_size;
  75   int crumbled_tile_size;
  76
  77   boolean has_crumbled_graphics;
  78   boolean preserve_background;
  79
  80   int unique_identifier;        /* used to identify needed screen updates */
  81 };
  82
  83 struct EngineSnapshotInfo_EM
  84 {
  85   struct GameInfo_EM game_em;
  86   struct LOGIC lev;
  87   struct PLAYER ply[MAX_PLAYERS];
  88
  89   int frame;
  90   int screen_x;
  91   int screen_y;
  92 };
  93
  94
  95 // ----------------------------------------------------------------------------
  96 // exported functions
  97 // ----------------------------------------------------------------------------
  98
  99 extern struct GlobalInfo_EM global_em_info;
 100 extern struct GameInfo_EM game_em;
 101 extern struct LevelInfo_EM native_em_level;
 102 extern struct GraphicInfo_EM graphic_info_em_object[GAME_TILE_MAX][8];
 103 extern struct GraphicInfo_EM graphic_info_em_player[MAX_PLAYERS][PLY_MAX][8];
 104 extern struct EngineSnapshotInfo_EM engine_snapshot_em;
 105
 106 void em_open_all(void);
 107 void em_close_all(void);
 108
 109 void InitGfxBuffers_EM(void);
 110
 111 void InitGameEngine_EM(void);
 112 void GameActions_EM(byte[MAX_PLAYERS]);
 113
 114 unsigned int InitEngineRandom_EM(int);
 115
 116 void setLevelInfoToDefaults_EM(void);
 117 boolean LoadNativeLevel_EM(char *, boolean);
 118
 119 int getFieldbufferOffsetX_EM(void);
 120 int getFieldbufferOffsetY_EM(void);
 121
 122 void BlitScreenToBitmap_EM(Bitmap *);
 123 void RedrawPlayfield_EM(boolean);
 124
 125 void LoadEngineSnapshotValues_EM(void);
 126 void SaveEngineSnapshotValues_EM(void);
 127
 128 boolean checkIfAllPlayersFitToScreen(void);
 129
 130 int map_em_element_C_to_X(int);
 131 int map_em_element_X_to_C(int);
 132
 133 #endif  // EXPORT_H