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