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