fixed compiler warnings (after adding "-Wmissing-prototypes")

[rocksndiamonds.git] / src / game_sp / main.c

diff --git a/src/game_sp/main.c b/src/game_sp/main.c
index 42f5f753a814de980dd2eb9f06a5060e8f1b329e..9e5ff836f7947e25aa77530c45abc43cbdd6af51 100644 (file)
--- a/src/game_sp/main.c
+++ b/src/game_sp/main.c
@@ -12,7 +12,7 @@ int GfxGraphic[SP_MAX_PLAYFIELD_WIDTH][SP_MAX_PLAYFIELD_HEIGHT];
 int GfxFrame[SP_MAX_PLAYFIELD_WIDTH][SP_MAX_PLAYFIELD_HEIGHT];
 
 
-void InitGameEngine_SP()
+void InitGameEngine_SP(void)
 {
   int x, y;
 
@@ -28,6 +28,14 @@ void InitGameEngine_SP()
 
   menBorder = setup.sp_show_border_elements;
 
+  game_sp.scroll_xoffset = (EVEN(SCR_FIELDX) ? TILEX / 2 : 0);
+  game_sp.scroll_yoffset = (EVEN(SCR_FIELDY) ? TILEY / 2 : 0);
+
+  if (native_sp_level.width <= SCR_FIELDX)
+    game_sp.scroll_xoffset = TILEX / 2;
+  if (native_sp_level.height <= SCR_FIELDY)
+    game_sp.scroll_yoffset = TILEY / 2;
+
   for (x = 0; x < SP_MAX_PLAYFIELD_WIDTH; x++)
   {
     for (y = 0; y < SP_MAX_PLAYFIELD_HEIGHT; y++)
@@ -46,17 +54,19 @@ void InitGameEngine_SP()
 
 void RedrawPlayfield_SP(boolean force_redraw)
 {
+  // skip redrawing playfield in warp mode or when testing tapes with "autotest"
+  if (DrawingDeactivatedField())
+    return;
+
   if (force_redraw)
     RestorePlayfield();
 
   UpdatePlayfield(force_redraw);
-
-  BackToFront_SP();
 }
 
-void DrawGameDoorValues_SP()
+static void UpdateGameDoorValues_SP(void)
 {
-  game_sp.time_played = TimerVar / setup.game_frame_delay;
+  game_sp.time_played = TimerVar / FRAMES_PER_SECOND;
   game_sp.infotrons_still_needed = InfotronsNeeded;
   game_sp.red_disk_count = RedDiskCount;
   game_sp.score = 0;           // (currently no score in Supaplex engine)
@@ -67,16 +77,27 @@ void GameActions_SP(byte action[MAX_PLAYERS], boolean warp_mode)
   byte single_player_action = action[0];
   int x, y;
 
-  UpdateEngineValues(mScrollX / TILEX, mScrollY / TILEY);
+  UpdateEngineValues(mScrollX / TILEX, mScrollY / TILEY,
+                    MurphyScreenXPos / TILEX, MurphyScreenYPos / TILEY);
 
   subMainGameLoop_Main(single_player_action, warp_mode);
 
   RedrawPlayfield_SP(FALSE);
 
-  if (!warp_mode)              /* do not redraw values in warp mode */
-    DrawGameDoorValues_SP();
+  UpdateGameDoorValues_SP();
+
+  CheckSingleStepMode_SP(PlayField16[MurphyPosIndex] == fiMurphy,
+                        HighByte(PlayField16[MurphyPosIndex]) == 0x2A);
 
   for (x = DisplayMinX; x <= DisplayMaxX; x++)
     for (y = DisplayMinY; y <= DisplayMaxY; y++)
       GfxFrame[x][y]++;
 }
+
+int getRedDiskReleaseFlag_SP(void)
+{
+  /* 0: when Murphy is moving (including the destination tile!) */
+  /* 1: when Murphy is not moving for at least one game frame */
+
+  return RedDiskReleaseFlag;
+}