cleanup of function for fading laser in MM engine

[rocksndiamonds.git] / src / game_mm / mm_game.c

diff --git a/src/game_mm/mm_game.c b/src/game_mm/mm_game.c
index c3d573db93c59ff2430e378f4c7595246b49e1fe..8f61572d9c26a69da2b14f0704949c1ad049ca15 100644 (file)
--- a/src/game_mm/mm_game.c
+++ b/src/game_mm/mm_game.c
@@ -411,6 +411,20 @@ static void CheckExitMM(void)
     PlayLevelSound_MM(exit_x, exit_y, exit_element, MM_ACTION_OPENING);
 }
 
+static void SetLaserColor(int brightness)
+{
+  int color_min = 0x00;
+  int color_max = brightness;          // (0x00 <= brightness <= 0xFF)
+  int color_up   = color_max * laser.overload_value / MAX_LASER_OVERLOAD;
+  int color_down = color_max - color_up;
+
+  pen_ray =
+    GetPixelFromRGB(window,
+                   (native_mm_level.laser_red   ? color_max  : color_up),
+                   (native_mm_level.laser_green ? color_down : color_min),
+                   (native_mm_level.laser_blue  ? color_down : color_min));
+}
+
 static void InitMovDir_MM(int x, int y)
 {
   int element = Tile[x][y];
@@ -573,10 +587,7 @@ static void InitLaser(void)
 
   AddLaserEdge(LX, LY);                // set laser starting edge
 
-  pen_ray = GetPixelFromRGB(window,
-                           native_mm_level.laser_red   * 0xFF,
-                           native_mm_level.laser_green * 0xFF,
-                           native_mm_level.laser_blue  * 0xFF);
+  SetLaserColor(0xFF);
 }
 
 void InitGameEngine_MM(void)
@@ -714,19 +725,13 @@ void InitGameActions_MM(void)
   SetTileCursorActive(TRUE);
 }
 
-static void FadeOutLaser(boolean overloaded)
+static void FadeOutLaser(void)
 {
   int i;
 
   for (i = 15; i >= 0; i--)
   {
-    if (overloaded)
-      pen_ray = GetPixelFromRGB(window, 0x11 * i, 0x00, 0x00);
-    else
-      pen_ray = GetPixelFromRGB(window,
-                               native_mm_level.laser_red   * 0x11 * i,
-                               native_mm_level.laser_green * 0x11 * i,
-                               native_mm_level.laser_blue  * 0x11 * i);
+    SetLaserColor(0x11 * i);
 
     DrawLaser(0, DL_LASER_ENABLED);
 
@@ -736,8 +741,28 @@ static void FadeOutLaser(boolean overloaded)
 
   DrawLaser(0, DL_LASER_DISABLED);
 
-  if (!overloaded)
-    StopSound_MM(SND_MM_GAME_HEALTH_CHARGING);
+  StopSound_MM(SND_MM_GAME_HEALTH_CHARGING);
+}
+
+static void GameOver_MM(int game_over_cause)
+{
+  // do not handle game over if request dialog is already active
+  if (game.request_active)
+    return;
+
+  game_mm.game_over = TRUE;
+  game_mm.game_over_cause = game_over_cause;
+
+  if (setup.ask_on_game_over)
+    game.restart_game_message = (game_over_cause == GAME_OVER_BOMB ?
+                                "Bomb killed Mc Duffin! Play it again?" :
+                                game_over_cause == GAME_OVER_NO_ENERGY ?
+                                "Out of magic energy! Play it again?" :
+                                game_over_cause == GAME_OVER_OVERLOADED ?
+                                "Magic spell hit Mc Duffin! Play it again?" :
+                                NULL);
+
+  SetTileCursorActive(FALSE);
 }
 
 void AddLaserEdge(int lx, int ly)
@@ -2512,10 +2537,7 @@ static void Explode_MM(int x, int y, int phase, int mode)
       Bang_MM(laser.start_edge.x, laser.start_edge.y);
       Store[x][y] = EL_EMPTY;
 
-      game_mm.game_over = TRUE;
-      game_mm.game_over_cause = GAME_OVER_BOMB;
-
-      SetTileCursorActive(FALSE);
+      GameOver_MM(GAME_OVER_DELAYED);
 
       laser.overloaded = FALSE;
     }
@@ -2523,7 +2545,7 @@ static void Explode_MM(int x, int y, int phase, int mode)
     {
       Store[x][y] = EL_EMPTY;
 
-      game.restart_game_message = "Bomb killed Mc Duffin! Play it again?";
+      GameOver_MM(GAME_OVER_BOMB);
     }
 
     Tile[x][y] = Store[x][y];
@@ -3174,6 +3196,10 @@ static void GameActions_MM_Ext(void)
     }
   }
 
+  // skip all following game actions if game is over
+  if (game_mm.game_over)
+    return;
+
   if (FrameReached(&energy_delay))
   {
     if (game_mm.energy_left > 0)
@@ -3184,14 +3210,9 @@ static void GameActions_MM_Ext(void)
     }
     else if (game.time_limit && !game_mm.game_over)
     {
-      FadeOutLaser(FALSE);
-
-      game_mm.game_over = TRUE;
-      game_mm.game_over_cause = GAME_OVER_NO_ENERGY;
-
-      SetTileCursorActive(FALSE);
+      FadeOutLaser();
 
-      game.restart_game_message = "Out of magic energy! Play it again?";
+      GameOver_MM(GAME_OVER_NO_ENERGY);
 
       return;
     }
@@ -3240,18 +3261,7 @@ static void GameActions_MM_Ext(void)
 
     if (laser.overload_value < MAX_LASER_OVERLOAD - 8)
     {
-      int color_up = 0xFF * laser.overload_value / MAX_LASER_OVERLOAD;
-      int color_down = 0xFF - color_up;
-
-#if 0
-      SetRGB(pen_ray, (laser.overload_value / 6) * color_scale, 0x0000,
-            (15 - (laser.overload_value / 6)) * color_scale);
-#endif
-      pen_ray =
-       GetPixelFromRGB(window,
-                       (native_mm_level.laser_red  ? 0xFF : color_up),
-                       (native_mm_level.laser_green ? color_down : 0x00),
-                       (native_mm_level.laser_blue  ? color_down : 0x00));
+      SetLaserColor(0xFF);
 
       DrawLaser(0, DL_LASER_ENABLED);
     }
@@ -3291,14 +3301,9 @@ static void GameActions_MM_Ext(void)
     {
       UpdateAndDisplayGameControlValues();
 
-      FadeOutLaser(TRUE);
-
-      game_mm.game_over = TRUE;
-      game_mm.game_over_cause = GAME_OVER_OVERLOADED;
-
-      SetTileCursorActive(FALSE);
+      FadeOutLaser();
 
-      game.restart_game_message = "Magic spell hit Mc Duffin! Play it again?";
+      GameOver_MM(GAME_OVER_OVERLOADED);
 
       return;
     }