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