fixed support for wrap-around levels in EM engine for old tapes

[rocksndiamonds.git] / src / game_em / export.h

diff --git a/src/game_em/export.h b/src/game_em/export.h
index 5ba8c5ce2da1743cef9d611cce74fece1d985917..e1519ea65659b80544f6b421b8d082511e56d8c9 100644 (file)
--- a/src/game_em/export.h
+++ b/src/game_em/export.h
@@ -6,14 +6,15 @@
 // ============================================================================
 
 #include "emerald.h"
+#include "cave.h"
 
 
 // ----------------------------------------------------------------------------
 // constant definitions
 // ----------------------------------------------------------------------------
 
-#define EM_MAX_CAVE_BUFFER_WIDTH       CAVE_BUFFER_WIDTH
-#define EM_MAX_CAVE_BUFFER_HEIGHT      CAVE_BUFFER_HEIGHT
+#define EM_MAX_CAVE_WIDTH              CAVE_WIDTH
+#define EM_MAX_CAVE_HEIGHT             CAVE_HEIGHT
 
 
 // ----------------------------------------------------------------------------
@@ -27,30 +28,32 @@ struct GlobalInfo_EM
 
 struct GameInfo_EM
 {
+  unsigned int random;
+
   boolean level_solved;
   boolean game_over;
 
   boolean any_player_moving;
   boolean any_player_snapping;
 
-  boolean use_single_button;
-  boolean use_snap_key_bug;
-
   int last_moving_player;
   int last_player_direction[MAX_PLAYERS];
+
+  struct LOGIC *lev;
+  struct PLAYER *ply[MAX_PLAYERS];
+
+  // flags to handle bugs in and changes between different engine versions
+  boolean use_single_button;
+  boolean use_snap_key_bug;
+  boolean use_old_explosions;
+  boolean use_wrap_around;
 };
 
 struct LevelInfo_EM
 {
   int file_version;
 
-  short cave[CAVE_BUFFER_WIDTH][CAVE_BUFFER_HEIGHT];
-
-  struct LEVEL *lev;
-  struct PLAYER *ply[MAX_PLAYERS];
-
-  /* used for runtime values */
-  struct GameInfo_EM *game_em;
+  struct CAVE *cav;
 };
 
 struct GraphicInfo_EM
@@ -75,12 +78,12 @@ struct GraphicInfo_EM
 struct EngineSnapshotInfo_EM
 {
   struct GameInfo_EM game_em;
-  unsigned int RandomEM;
-  struct LEVEL lev;
+  struct LOGIC lev;
   struct PLAYER ply[MAX_PLAYERS];
+
+  int frame;
   int screen_x;
   int screen_y;
-  int frame;
 };
 
 
@@ -91,7 +94,7 @@ struct EngineSnapshotInfo_EM
 extern struct GlobalInfo_EM global_em_info;
 extern struct GameInfo_EM game_em;
 extern struct LevelInfo_EM native_em_level;
-extern struct GraphicInfo_EM graphic_info_em_object[TILE_MAX][8];
+extern struct GraphicInfo_EM graphic_info_em_object[GAME_TILE_MAX][8];
 extern struct GraphicInfo_EM graphic_info_em_player[MAX_PLAYERS][PLY_MAX][8];
 extern struct EngineSnapshotInfo_EM engine_snapshot_em;
 
@@ -111,7 +114,6 @@ boolean LoadNativeLevel_EM(char *, boolean);
 int getFieldbufferOffsetX_EM(void);
 int getFieldbufferOffsetY_EM(void);
 
-void BackToFront_EM(void);
 void BlitScreenToBitmap_EM(Bitmap *);
 void RedrawPlayfield_EM(boolean);
 
@@ -120,7 +122,7 @@ void SaveEngineSnapshotValues_EM(void);
 
 boolean checkIfAllPlayersFitToScreen(void);
 
-void tab_generate(void);
-void tab_generate_graphics_info_em(void);
+int map_em_element_C_to_X(int);
+int map_em_element_X_to_C(int);
 
 #endif // EXPORT_H