improved scanning laser outside level, but inside visible playfield area

[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 b0743369f8acf99bff6ce4a9600e33ed88e1510d..87ee350cc78027170fcc03aaeeeae3a87bbddbda 100644 (file)
--- a/src/game_mm/mm_game.c
+++ b/src/game_mm/mm_game.c
@@ -139,11 +139,10 @@ static DelayCounter overload_delay = { 0 };
 #define MM_MASK_GRID_2         5
 #define MM_MASK_GRID_3         6
 #define MM_MASK_GRID_4         7
-#define MM_MASK_GRID_CLOSED    8
-#define MM_MASK_RECTANGLE      9
-#define MM_MASK_CIRCLE         10
+#define MM_MASK_RECTANGLE      8
+#define MM_MASK_CIRCLE         9
 
-#define NUM_MM_MASKS           11
+#define NUM_MM_MASKS           10
 
 // element masks for scanning pixels of MM elements
 static const char mm_masks[NUM_MM_MASKS][16][16 + 1] =
@@ -292,24 +291,6 @@ static const char mm_masks[NUM_MM_MASKS][16][16 + 1] =
     "    XXX  XXXX   ",
     "     XX  XXXXX  ",
   },
-  {
-    " XXXXXX  XXXXXX ",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    " XXXXXXXXXXXXXX ",
-    " XXXXXXXXXXXXXX ",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    "XXXXXXXXXXXXXXXX",
-    " XXXXXX  XXXXXX ",
-  },
   {
     "XXXXXXXXXXXXXXXX",
     "XXXXXXXXXXXXXXXX",
@@ -847,12 +828,12 @@ static void GameOver_MM(int game_over_cause)
 
 static void AddLaserEdge(int lx, int ly)
 {
-  int clx = dSX + lx;
-  int cly = dSY + ly;
-  int sxsize = MAX(SXSIZE, lev_fieldx * TILEX);
-  int sysize = MAX(SYSIZE, lev_fieldy * TILEY);
+  int full_sxsize = MAX(FULL_SXSIZE, lev_fieldx * TILEX);
+  int full_sysize = MAX(FULL_SYSIZE, lev_fieldy * TILEY);
 
-  if (clx < -2 || cly < -2 || clx >= sxsize + 2 || cly >= sysize + 2)
+  // check if laser is still inside visible playfield area (or inside level)
+  if (cSX + lx < REAL_SX || cSX + lx >= REAL_SX + full_sxsize ||
+      cSY + ly < REAL_SY || cSY + ly >= REAL_SY + full_sysize)
   {
     Warn("AddLaserEdge: out of bounds: %d, %d", lx, ly);
 
@@ -905,7 +886,7 @@ static int getMaskFromElement(int element)
   else if (IS_GRID(element))
     return MM_MASK_GRID_1 + get_element_phase(element);
   else if (IS_DF_GRID(element))
-    return MM_MASK_GRID_CLOSED;
+    return MM_MASK_RECTANGLE;
   else if (IS_RECTANGLE(element))
     return MM_MASK_RECTANGLE;
   else
@@ -990,6 +971,7 @@ static int ScanPixel(void)
       }
       else
       {
+       // check if laser is still inside visible playfield area
        pixel = (cSX + px < REAL_SX || cSX + px >= REAL_SX + FULL_SXSIZE ||
                 cSY + py < REAL_SY || cSY + py >= REAL_SY + FULL_SYSIZE);
       }
@@ -1091,6 +1073,21 @@ static void ScanLaser(void)
 
     if (!IN_LEV_FIELD(ELX, ELY))
     {
+      // laser next step position
+      int x = cSX + LX + XS;
+      int y = cSY + LY + YS;
+
+      // check if next step of laser is still inside visible playfield area
+      if (x >= REAL_SX && x < REAL_SX + FULL_SXSIZE &&
+         y >= REAL_SY && y < REAL_SY + FULL_SYSIZE)
+      {
+       // go on with another step
+       LX += XS;
+       LY += YS;
+
+       continue;
+      }
+
       element = EL_EMPTY;
       laser.dest_element = element;