fixed wrong eater content when loading native EM levels

[rocksndiamonds.git] / src / game_em / reademc.c

diff --git a/src/game_em/reademc.c b/src/game_em/reademc.c
index 3f366227a6785c7d0cee3010ac22f8c723c66209..5184d8d72ed9bb217d57d00e2e622ed1049fe50c 100644 (file)
--- a/src/game_em/reademc.c
+++ b/src/game_em/reademc.c
@@ -40,6 +40,12 @@
  * behaviour.
  */
 
+/* changes for game engine integration in Rocks'n'Diamonds:
+ *
+ * added support for rolling spring (not mapped to pushed spring)
+ * - required for Elvis Mine 8, levels 3, 23, 48 and 73
+ */
+
 #define GET_BE16(x)            ((&x)[0] << 8 | (&x)[1])
 
 static const short map_emc_raw[256] =
@@ -62,8 +68,8 @@ static const short map_emc_raw[256] =
   Cdynamite_2,         Cdynamite_3,    Cdynamite_4,    Cacid_s,        //  60
 
   Cexit_1,             Cexit_2,        Cexit_3,        Cballoon,       //  64
-  Cplant,              Cspring,        Cspring,        Cpush_spring_w, //  68
-  Cpush_spring_e,      Cball_1,        Cball_2,        Candroid,       //  72
+  Cplant,              Cspring,        Cspring,        Cspring_w,      //  68
+  Cspring_e,           Cball_1,        Cball_2,        Candroid,       //  72
   Cpause,              Candroid,       Candroid,       Candroid,       //  76
   Candroid,            Candroid,       Candroid,       Candroid,       //  80
   Candroid,            Cblank,         Cblank,         Cblank,         //  84
@@ -293,7 +299,7 @@ void convert_em_level(unsigned char *src, int file_version)
   cav.time_seconds = MIN(GET_BE16(src[2110]), 9999);
   cav.gems_needed = src[2095];
 
-  cav.infinite = TRUE;
+  cav.infinite = game_em.use_wrap_around;
   cav.testmode = FALSE;
   cav.teamwork = (src[2150] & 128) != 0;
 
@@ -387,6 +393,9 @@ void convert_em_level(unsigned char *src, int file_version)
     for (x = 0; x < 9; x++)
       cav.eater_array[i][x] = map_emc[src[eater_offset[i] + x]];
 
+  if (file_version < FILE_VERSION_EM_V6)
+    cav.num_eater_arrays = 4;
+
   /* ball */
 
   temp = map_emc[src[2159]];
@@ -549,12 +558,12 @@ static const unsigned char map_v4[256] =
   240,241,153,153, 153,153,153,153, 153,153,153,153, 153,153,153,153   // 240
 };
 
-static const unsigned char map_v4_eater[32] =
+static const unsigned char map_v4_eater[28] =
 {
   /* filter for v4 eater */
 
   128,18,2,0,      4,8,16,20,       28,37,41,45,     189,180,179,252,  //   0
-  133,134,135,136, 146,147,175,65,  66,64,2,18,      128,128,128,128   //  16
+  133,134,135,136, 146,147,175,65,  66,64,2,18                         //  16
 };
 
 static boolean filename_has_v1_format(char *filename)
@@ -667,7 +676,7 @@ int cleanup_em_level(unsigned char *src, int length, char *filename)
     for (i = 0; i < 2048; i++)         /* cave */
       src[i] = map_v4[src[i]];
     for (i = 2048; i < 2084; i++)      /* eaters */
-      src[i] = map_v4_eater[src[i] % 32];
+      src[i] = map_v4_eater[src[i] < 28 ? src[i] : 0];
     for (i = 2112; i < 2148; i++)      /* eaters */
       src[i] = src[i - 64];