X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fgame_mm%2Fmm_tools.c;h=e71fb1d444955acaf32a19dab121d76f3cfc9b77;hb=f7f534a6f25f89d3df87e26e50d472995f3971b4;hp=28fe9bfe5ed5b9af5c7fba99434a535547110973;hpb=21971f15f133081ba0004df62c6a90bdd0e3611b;p=rocksndiamonds.git

diff --git a/src/game_mm/mm_tools.c b/src/game_mm/mm_tools.c
index 28fe9bfe..e71fb1d4 100644
--- a/src/game_mm/mm_tools.c
+++ b/src/game_mm/mm_tools.c
@@ -648,6 +648,7 @@ void DrawMiniLevel_MM(int size_x, int size_y, int scroll_x, int scroll_y)
 #define XSN_CHANGE_DELAY	30
 #define XSN_CHANGE_FACTOR	3
 #define XSN_ALPHA_DEFAULT	XSN_ALPHA_VALUE(95)
+#define XSN_ALPHA_VISIBLE	XSN_ALPHA_VALUE(50)
 #define XSN_DEBUG_STEPS		5
 
 static byte xsn_bits_0[] = { 0x05, 0x02, 0x05 };
@@ -707,6 +708,8 @@ struct Xsn
   struct XsnItem items[XSN_MAX_ITEMS];
 
   Bitmap *bitmap;
+
+  int alpha;
 };
 
 static struct Xsn xsn = { 0 };
@@ -847,7 +850,7 @@ static void xsn_update_item(int nr)
       BlitBitmapMasked(xsn.bitmap, xsn.bitmap, xpos1, xsn.max_height,
 		       xsize, xsn.max_height, xpos1, 0);
 
-      SDLSetAlpha(surface_masked, TRUE, XSN_ALPHA_DEFAULT);
+      SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
 
       for (i = xpos1; i < xpos2; i++)
 	xsn.height[i] = MIN(xsn.height[i] + shrink, xsn.area_ysize - 1);
@@ -952,18 +955,6 @@ static void DrawTileCursor_Xsn(int draw_target)
   if (!active)
     return;
 
-  if (!active_last)
-  {
-    boolean no_delay = (debug || setup.debug.xsn_mode == TRUE);
-
-    start_delay_value = (no_delay ? 0 : XSN_RND(XSN_START_DELAY * 2) * 1000);
-    started = FALSE;
-
-    DelayReached(&start_delay, 0);
-
-    reinitialize = TRUE;
-  }
-
   if (!initialized)
   {
     xsn.area_xsize = gfx.win_xsize;
@@ -1003,6 +994,17 @@ static void DrawTileCursor_Xsn(int draw_target)
     initialized = TRUE;
   }
 
+  if (!active_last)
+  {
+    start_delay_value = (debug || setup.debug.xsn_mode == TRUE ? 0 :
+			 (XSN_START_DELAY + XSN_RND(XSN_START_DELAY)) * 1000);
+    started = FALSE;
+
+    DelayReached(&start_delay, 0);
+
+    reinitialize = TRUE;
+  }
+
   if (reinitialize)
   {
     xsn.num_items  = 0;
@@ -1016,6 +1018,8 @@ static void DrawTileCursor_Xsn(int draw_target)
     xsn.change_type  = 0;
     xsn.change_dir   = 0;
 
+    xsn.alpha = XSN_ALPHA_DEFAULT;
+
     for (i = 0; i < xsn.max_items; i++)
       xsn_init_item(i);
   }
@@ -1046,8 +1050,8 @@ static void DrawTileCursor_Xsn(int draw_target)
     SDL_SetColorKey(surface_masked, SET_TRANSPARENT_PIXEL,
 		    SDL_MapRGB(surface_masked->format, 0x00, 0x00, 0x00));
 
-    SDLSetAlpha(surface, TRUE, XSN_ALPHA_DEFAULT);
-    SDLSetAlpha(surface_masked, TRUE, XSN_ALPHA_DEFAULT);
+    SDLSetAlpha(surface, TRUE, xsn.alpha);
+    SDLSetAlpha(surface_masked, TRUE, xsn.alpha);
 
     SDLCreateBitmapTextures(xsn.bitmap);
 
@@ -1104,6 +1108,20 @@ static void DrawTileCursor_Xsn(int draw_target)
     change_delay_value = xsn.change_delay * 1000;
   }
 
+  int xsn_alpha_dx = (gfx.mouse_y > xsn.area_ysize - xsn.max_height ?
+		      (xsn.alpha > XSN_ALPHA_VISIBLE ? -1 : 0) :
+		      (xsn.alpha < XSN_ALPHA_DEFAULT ? +1 : 0));
+
+  if (xsn_alpha_dx != 0)
+  {
+    xsn.alpha += xsn_alpha_dx;
+
+    SDLSetAlpha(xsn.bitmap->surface_masked, TRUE, xsn.alpha);
+
+    SDLFreeBitmapTextures(xsn.bitmap);
+    SDLCreateBitmapTextures(xsn.bitmap);
+  }
+
   BlitToScreenMasked(xsn.bitmap, 0, 0, xsn.area_xsize, xsn.max_height,
 		     0, xsn.area_ysize - xsn.max_height);