changed storing native EM cave without internal border elements
[rocksndiamonds.git] / 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
10
11 // ----------------------------------------------------------------------------
12 // constant definitions
13 // ----------------------------------------------------------------------------
14
15 #define EM_MAX_CAVE_WIDTH               CAVE_WIDTH
16 #define EM_MAX_CAVE_HEIGHT              CAVE_HEIGHT
17
18
19 // ----------------------------------------------------------------------------
20 // exported structures
21 // ----------------------------------------------------------------------------
22
23 struct GlobalInfo_EM
24 {
25   Bitmap *screenbuffer;
26 };
27
28 struct GameInfo_EM
29 {
30   boolean level_solved;
31   boolean game_over;
32
33   boolean any_player_moving;
34   boolean any_player_snapping;
35
36   boolean use_single_button;
37   boolean use_snap_key_bug;
38
39   int last_moving_player;
40   int last_player_direction[MAX_PLAYERS];
41 };
42
43 struct LevelInfo_EM
44 {
45   int file_version;
46
47   short cave[CAVE_WIDTH][CAVE_HEIGHT];
48
49   struct LEVEL *lev;
50   struct PLAYER *ply[MAX_PLAYERS];
51
52   /* used for runtime values */
53   struct GameInfo_EM *game_em;
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   unsigned int RandomEM;
79   struct LEVEL lev;
80   struct PLAYER ply[MAX_PLAYERS];
81   int screen_x;
82   int screen_y;
83   int frame;
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 BackToFront_EM(void);
115 void BlitScreenToBitmap_EM(Bitmap *);
116 void RedrawPlayfield_EM(boolean);
117
118 void LoadEngineSnapshotValues_EM(void);
119 void SaveEngineSnapshotValues_EM(void);
120
121 boolean checkIfAllPlayersFitToScreen(void);
122
123 void tab_generate(void);
124 void tab_generate_graphics_info_em(void);
125
126 #endif  // EXPORT_H