rnd-20040221-1-src

[rocksndiamonds.git] / src / files.c

diff --git a/src/files.c b/src/files.c
index 356d8a4b11dca6581e77f39a6b118acbf1391978..52116aa9d3ac98b9d063d378fa06eb1556fb6c7e 100644 (file)
--- a/src/files.c
+++ b/src/files.c
@@ -29,7 +29,7 @@
 #define CHUNK_SIZE_NONE                -1      /* do not write chunk size    */
 #define FILE_VERS_CHUNK_SIZE   8       /* size of file version chunk */
 #define LEVEL_HEADER_SIZE      80      /* size of level file header  */
-#define LEVEL_HEADER_UNUSED    11      /* unused level header bytes  */
+#define LEVEL_HEADER_UNUSED    10      /* unused level header bytes  */
 #define LEVEL_CHUNK_CNT2_SIZE  160     /* size of level CNT2 chunk   */
 #define LEVEL_CHUNK_CNT2_UNUSED        11      /* unused CNT2 chunk bytes    */
 #define LEVEL_CHUNK_CNT3_HEADER        16      /* size of level CNT3 header  */
@@ -121,6 +121,14 @@ void setElementChangeInfoToDefaults(struct ElementChangeInfo *change)
   change->post_change_function = NULL;
 }
 
+static void setMoveIntoAcid(struct LevelInfo *level, int element)
+{
+  int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
+
+  if (bit_nr > -1)
+    level->can_move_into_acid |= (1 << bit_nr);
+}
+
 static void setLevelInfoToDefaults(struct LevelInfo *level)
 {
   int i, j, x, y;
@@ -141,17 +149,24 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
 
   level->time = 100;
   level->gems_needed = 0;
+
   level->amoeba_speed = 10;
+
   level->time_magic_wall = 10;
   level->time_wheel = 10;
   level->time_light = 10;
   level->time_timegate = 10;
+
   level->amoeba_content = EL_DIAMOND;
+
   level->double_speed = FALSE;
   level->initial_gravity = FALSE;
   level->em_slippery_gems = FALSE;
   level->block_last_field = FALSE;
   level->sp_block_last_field = TRUE;
+  level->use_spring_bug = FALSE;
+
+  level->can_move_into_acid = ~0;      /* everything can move into acid */
 
   level->use_custom_template = FALSE;
 
@@ -639,6 +654,8 @@ static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
   level->block_last_field      = (getFile8Bit(file) == 1 ? TRUE : FALSE);
   level->sp_block_last_field   = (getFile8Bit(file) == 1 ? TRUE : FALSE);
 
+  level->use_spring_bug                = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
   ReadUnusedBytesFromFile(file, LEVEL_HEADER_UNUSED);
 
   return chunk_size;
@@ -2021,6 +2038,19 @@ static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
     /* Default behaviour for EM style gems was "slippery" only in 2.0.1 */
     if (level->game_version == VERSION_IDENT(2,0,1,0))
       level->em_slippery_gems = TRUE;
+
+    if (level->game_version < VERSION_IDENT(2,2,0,0))
+      level->use_spring_bug = TRUE;
+
+    if (level->game_version < VERSION_IDENT(3,0,9,0))
+    {
+      level->can_move_into_acid = 0;   /* nothing can move into acid */
+
+      setMoveIntoAcid(level, EL_ROBOT);
+      setMoveIntoAcid(level, EL_SATELLITE);
+      setMoveIntoAcid(level, EL_PENGUIN);
+      setMoveIntoAcid(level, EL_BALLOON);
+    }
   }
   else
   {
@@ -2287,6 +2317,8 @@ static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
   putFile8Bit(file, (level->block_last_field ? 1 : 0));
   putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
 
+  putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
+
   WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED);
 }
 
@@ -2814,6 +2846,7 @@ void DumpLevel(struct LevelInfo *level)
   printf("EM style slippery gems:      %s\n", (level->em_slippery_gems ? "yes" : "no"));
   printf("Player blocks last field:    %s\n", (level->block_last_field ? "yes" : "no"));
   printf("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
+  printf("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
 
   printf_line("-", 79);
 }