fixed centered screen position for keyboard/joystick configuration

[rocksndiamonds.git] / src / tools.c

diff --git a/src/tools.c b/src/tools.c
index d11d99d2effc0b5579c2206374facfdfda83a0d8..bccd90cfa3d7ebde8caf094c7554a80063353f82 100644 (file)
--- a/src/tools.c
+++ b/src/tools.c
@@ -360,30 +360,26 @@ static int getLevelFromScreenY_SP(int sy)
 
 static int getLevelFromScreenX_MM(int sx)
 {
-#if 0
   int level_xsize = level.native_mm_level->fieldx;
   int full_xsize = level_xsize * TILESIZE_VAR;
 
   sx -= (full_xsize < SXSIZE ? (SXSIZE - full_xsize) / 2 : 0);
-#endif
 
   int px = sx - SX;
-  int lx = px / TILESIZE_VAR;
+  int lx = (px + TILESIZE_VAR) / TILESIZE_VAR - 1;
 
   return lx;
 }
 
 static int getLevelFromScreenY_MM(int sy)
 {
-#if 0
   int level_ysize = level.native_mm_level->fieldy;
   int full_ysize = level_ysize * TILESIZE_VAR;
 
   sy -= (full_ysize < SYSIZE ? (SYSIZE - full_ysize) / 2 : 0);
-#endif
 
   int py = sy - SY;
-  int ly = py / TILESIZE_VAR;
+  int ly = (py + TILESIZE_VAR) / TILESIZE_VAR - 1;
 
   return ly;
 }
@@ -1269,6 +1265,8 @@ static int dx_last = -1, dy_last = -1;
 static int dxsize_last = -1, dysize_last = -1;
 static int vx_last = -1, vy_last = -1;
 static int vxsize_last = -1, vysize_last = -1;
+static int ex_last = -1, ey_last = -1;
+static int exsize_last = -1, eysize_last = -1;
 
 boolean CheckIfGlobalBorderHasChanged()
 {
@@ -1311,6 +1309,11 @@ boolean CheckIfGlobalBorderRedrawIsNeeded()
       vxsize_last != VXSIZE || vysize_last != VYSIZE)
     return TRUE;
 
+  // redraw if position or size of editor area has changed
+  if (ex_last != EX || ey_last != EY ||
+      exsize_last != EXSIZE || eysize_last != EYSIZE)
+    return TRUE;
+
   return FALSE;
 }
 
@@ -1331,20 +1334,29 @@ void RedrawGlobalBorder()
   redraw_mask = REDRAW_ALL;
 }
 
+#define ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED            0
+
 static void RedrawGlobalBorderIfNeeded()
 {
+#if ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED
   if (game_status == game_status_last)
     return;
+#endif
 
   // copy current draw buffer to later copy back areas that have not changed
   if (game_status_last != GAME_MODE_TITLE)
     BlitBitmap(backbuffer, bitmap_db_store_1, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
+#if ONLY_REDRAW_GLOBAL_BORDER_IF_NEEDED
   if (CheckIfGlobalBorderRedrawIsNeeded())
+#endif
   {
     // redraw global screen border (or clear, if defined to be empty)
     RedrawGlobalBorderFromBitmap(global_border_bitmap);
 
+    if (game_status == GAME_MODE_EDITOR)
+      DrawSpecialEditorDoor();
+
     // copy previous playfield and door areas, if they are defined on both
     // previous and current screen and if they still have the same size
 
@@ -1361,11 +1373,22 @@ static void RedrawGlobalBorderIfNeeded()
       BlitBitmap(bitmap_db_store_1, backbuffer,
                 dx_last, dy_last, DXSIZE, DYSIZE, DX, DY);
 
-    if (vx_last != -1 && vy_last != -1 &&
-       VX != -1 && VY != -1 &&
-       vxsize_last == VXSIZE && vysize_last == VYSIZE)
-      BlitBitmap(bitmap_db_store_1, backbuffer,
-                vx_last, vy_last, VXSIZE, VYSIZE, VX, VY);
+    if (game_status != GAME_MODE_EDITOR)
+    {
+      if (vx_last != -1 && vy_last != -1 &&
+         VX != -1 && VY != -1 &&
+         vxsize_last == VXSIZE && vysize_last == VYSIZE)
+       BlitBitmap(bitmap_db_store_1, backbuffer,
+                  vx_last, vy_last, VXSIZE, VYSIZE, VX, VY);
+    }
+    else
+    {
+      if (ex_last != -1 && ey_last != -1 &&
+         EX != -1 && EY != -1 &&
+         exsize_last == EXSIZE && eysize_last == EYSIZE)
+       BlitBitmap(bitmap_db_store_1, backbuffer,
+                  ex_last, ey_last, EXSIZE, EYSIZE, EX, EY);
+    }
 
     redraw_mask = REDRAW_ALL;
   }
@@ -1386,6 +1409,10 @@ static void RedrawGlobalBorderIfNeeded()
   vy_last = VY;
   vxsize_last = VXSIZE;
   vysize_last = VYSIZE;
+  ex_last = EX;
+  ey_last = EY;
+  exsize_last = EXSIZE;
+  eysize_last = EYSIZE;
 }
 
 void ClearField()
@@ -8747,6 +8774,23 @@ void CheckSaveEngineSnapshot_SP(boolean murphy_is_waiting,
   }
 }
 
+void CheckSaveEngineSnapshot_MM(boolean element_clicked,
+                               boolean button_released)
+{
+  if (button_released)
+  {
+    if (game.snapshot.mode == SNAPSHOT_MODE_EVERY_MOVE)
+      CheckSaveEngineSnapshotToList();
+  }
+  else if (element_clicked)
+  {
+    if (game.snapshot.mode != SNAPSHOT_MODE_EVERY_MOVE)
+      CheckSaveEngineSnapshotToList();
+
+    game.snapshot.changed_action = TRUE;
+  }
+}
+
 void CheckSingleStepMode_EM(byte action[MAX_PLAYERS], int frame,
                            boolean any_player_moving,
                            boolean any_player_snapping,
@@ -8777,6 +8821,16 @@ void CheckSingleStepMode_SP(boolean murphy_is_waiting,
   CheckSaveEngineSnapshot_SP(murphy_is_waiting, murphy_is_dropping);
 }
 
+void CheckSingleStepMode_MM(boolean element_clicked,
+                           boolean button_released)
+{
+  if (tape.single_step && tape.recording && !tape.pausing)
+    if (button_released)
+      TapeTogglePause(TAPE_TOGGLE_AUTOMATIC);
+
+  CheckSaveEngineSnapshot_MM(element_clicked, button_released);
+}
+
 void getGraphicSource_SP(struct GraphicInfo_SP *g_sp,
                         int graphic, int sync_frame, int x, int y)
 {