added random number initialization function for native BD engine

[rocksndiamonds.git] / src / game_bd / main_bd.c

diff --git a/src/game_bd/main_bd.c b/src/game_bd/main_bd.c
index efaa78f40a127a40b5ceb76d7f24c0a1441af0ec..fdc5cf0c0a6350f576ac309400ad14bb768536e7 100644 (file)
--- a/src/game_bd/main_bd.c
+++ b/src/game_bd/main_bd.c
@@ -18,43 +18,42 @@ struct EngineSnapshotInfo_BD engine_snapshot_bd;
 
 
 // ============================================================================
-// level file functions
+// initialization functions
 // ============================================================================
 
-int map_action_RND_to_BD(int action)
+void InitGfxBuffers_BD(void)
 {
-  GdDirection player_move = gd_direction_from_keypress(action & JOY_UP,
-                                                      action & JOY_DOWN,
-                                                      action & JOY_LEFT,
-                                                      action & JOY_RIGHT);
-  boolean player_fire = (action & (JOY_BUTTON_1 | JOY_BUTTON_2));
+  ReCreateBitmap(&gd_screen_bitmap, SXSIZE, SYSIZE);
 
-  return (player_move | (player_fire ? GD_REPLAY_FIRE_MASK : 0));
+  set_cell_size(TILESIZE_VAR);
+  set_play_area(SXSIZE, SYSIZE);
 }
 
-int map_action_BD_to_RND(int action)
+void bd_open_all(void)
 {
-  GdDirection player_move = action & GD_REPLAY_MOVE_MASK;
-  boolean     player_fire = action & GD_REPLAY_FIRE_MASK;
+  InitGraphicInfo_BD();
 
-  int action_move = (player_move == GD_MV_UP           ? JOY_UP                :
-                    player_move == GD_MV_UP_RIGHT      ? JOY_UP   | JOY_RIGHT  :
-                    player_move == GD_MV_RIGHT         ?            JOY_RIGHT  :
-                    player_move == GD_MV_DOWN_RIGHT    ? JOY_DOWN | JOY_RIGHT  :
-                    player_move == GD_MV_DOWN          ? JOY_DOWN              :
-                    player_move == GD_MV_DOWN_LEFT     ? JOY_DOWN | JOY_LEFT   :
-                    player_move == GD_MV_LEFT          ?            JOY_LEFT   :
-                    player_move == GD_MV_UP_LEFT       ? JOY_UP   | JOY_LEFT   : JOY_NO_ACTION);
-  int action_fire = (player_fire ? JOY_BUTTON_1 : JOY_NO_ACTION);
+  gd_cave_init();
+  gd_cave_db_init();
 
-  return (action_move | action_fire);
+  gd_c64_import_init_tables();
+
+  gd_caveset_clear();
+
+  gd_init_keystate();
+
+  gd_sound_init();
 }
 
-boolean checkGameRunning_BD(void)
+void bd_close_all(void)
 {
-  return (game_bd.game != NULL && game_bd.game->state_counter == GAME_INT_CAVE_RUNNING);
 }
 
+
+// ============================================================================
+// level file functions
+// ============================================================================
+
 void setLevelInfoToDefaults_BD_Ext(int width, int height)
 {
   GdCave *cave = native_bd_level.cave;
@@ -149,3 +148,55 @@ boolean LoadNativeLevel_BD(char *filename, int level_pos, boolean level_info_onl
 
   return TRUE;
 }
+
+
+// ============================================================================
+// game engine functions
+// ============================================================================
+
+int map_action_RND_to_BD(int action)
+{
+  GdDirection player_move = gd_direction_from_keypress(action & JOY_UP,
+                                                      action & JOY_DOWN,
+                                                      action & JOY_LEFT,
+                                                      action & JOY_RIGHT);
+  boolean player_fire = (action & (JOY_BUTTON_1 | JOY_BUTTON_2));
+
+  return (player_move | (player_fire ? GD_REPLAY_FIRE_MASK : 0));
+}
+
+int map_action_BD_to_RND(int action)
+{
+  GdDirection player_move = action & GD_REPLAY_MOVE_MASK;
+  boolean     player_fire = action & GD_REPLAY_FIRE_MASK;
+
+  int action_move = (player_move == GD_MV_UP           ? JOY_UP                :
+                    player_move == GD_MV_UP_RIGHT      ? JOY_UP   | JOY_RIGHT  :
+                    player_move == GD_MV_RIGHT         ?            JOY_RIGHT  :
+                    player_move == GD_MV_DOWN_RIGHT    ? JOY_DOWN | JOY_RIGHT  :
+                    player_move == GD_MV_DOWN          ? JOY_DOWN              :
+                    player_move == GD_MV_DOWN_LEFT     ? JOY_DOWN | JOY_LEFT   :
+                    player_move == GD_MV_LEFT          ?            JOY_LEFT   :
+                    player_move == GD_MV_UP_LEFT       ? JOY_UP   | JOY_LEFT   : JOY_NO_ACTION);
+  int action_fire = (player_fire ? JOY_BUTTON_1 : JOY_NO_ACTION);
+
+  return (action_move | action_fire);
+}
+
+boolean checkGameRunning_BD(void)
+{
+  return (game_bd.game != NULL && game_bd.game->state_counter == GAME_INT_CAVE_RUNNING);
+}
+
+unsigned int InitEngineRandom_BD(int seed)
+{
+  if (seed == NEW_RANDOMIZE)
+  {
+    // get randomly selected seed to render the cave
+    seed = g_random_int_range(0, GD_CAVE_SEED_MAX);
+  }
+
+  game_bd.random_seed = seed;
+
+  return (unsigned int)seed;
+}