rnd-20040917-1-src

[rocksndiamonds.git] / src / files.c

diff --git a/src/files.c b/src/files.c
index 0fd7a18ade6db1691778942d270aee3e8f15ecb7..c684ab843bd5e854d309063eb5bd7c3b1d4ae616 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    1       /* unused level header bytes  */
+#define LEVEL_HEADER_UNUSED    0       /* 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  */
@@ -114,6 +114,8 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
 
   int i, j, x, y;
 
+  level->game_engine_type = GAME_ENGINE_TYPE_RND;
+
   level->file_version = FILE_VERSION_ACTUAL;
   level->game_version = GAME_VERSION_ACTUAL;
 
@@ -712,6 +714,8 @@ static int LoadLevel_HEAD(FILE *file, int chunk_size, struct LevelInfo *level)
   level->can_pass_to_walkable  = (getFile8Bit(file) == 1 ? TRUE : FALSE);
   level->grow_into_diggable    = (getFile8Bit(file) == 1 ? TRUE : FALSE);
 
+  level->game_engine_type      = getFile8Bit(file);
+
   ReadUnusedBytesFromFile(file, LEVEL_HEADER_UNUSED);
 
   return chunk_size;
@@ -1339,6 +1343,8 @@ static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
 /* functions for loading EM level                                            */
 /* ------------------------------------------------------------------------- */
 
+#if 0
+
 static int map_em_element_yam(int element)
 {
   switch (element)
@@ -1651,16 +1657,13 @@ static int map_em_element_field(int element)
 #define EM_LEVEL_XSIZE                 64
 #define EM_LEVEL_YSIZE                 32
 
-static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
-                                    struct LevelFileInfo *level_file_info)
+static void OLD_LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+                                        struct LevelFileInfo *level_file_info)
 {
   char *filename = level_file_info->filename;
   FILE *file;
   unsigned char leveldata[EM_LEVEL_SIZE];
   unsigned char *header = &leveldata[EM_LEVEL_XSIZE * EM_LEVEL_YSIZE];
-  unsigned char code0 = 0x65;
-  unsigned char code1 = 0x11;
-  boolean level_is_crypted = FALSE;
   int nr = level_file_info->nr;
   int i, x, y;
 
@@ -1673,7 +1676,7 @@ static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
     return;
   }
 
-  for(i = 0; i < EM_LEVEL_SIZE; i++)
+  for (i = 0; i < EM_LEVEL_SIZE; i++)
     leveldata[i] = fgetc(file);
 
   fclose(file);
@@ -1684,20 +1687,20 @@ static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
   if ((leveldata[0] == 0xf1 ||
        leveldata[0] == 0xf5) && leveldata[2] == 0xe7 && leveldata[3] == 0xee)
   {
-    level_is_crypted = TRUE;
+    unsigned char code0 = 0x65;
+    unsigned char code1 = 0x11;
 
     if (leveldata[0] == 0xf5)  /* error in crypted Emerald Mine 2 levels */
       leveldata[0] = 0xf1;
-  }
 
-  if (level_is_crypted)                /* decode crypted level data */
-  {
-    for(i = 0; i < EM_LEVEL_SIZE; i++)
+    /* decode crypted level data */
+
+    for (i = 0; i < EM_LEVEL_SIZE; i++)
     {
       leveldata[i] ^= code0;
       leveldata[i] -= code1;
 
-      code0  = (code0 + 7) & 0xff;
+      code0 = (code0 + 7) & 0xff;
     }
   }
 
@@ -1730,9 +1733,9 @@ static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
 
   level->num_yamyam_contents = 4;
 
-  for(i = 0; i < level->num_yamyam_contents; i++)
-    for(y = 0; y < 3; y++)
-      for(x = 0; x < 3; x++)
+  for (i = 0; i < level->num_yamyam_contents; i++)
+    for (y = 0; y < 3; y++)
+      for (x = 0; x < 3; x++)
        level->yamyam_content[i][x][y] =
          map_em_element_yam(header[i * 9 + y * 3 + x]);
 
@@ -1760,6 +1763,18 @@ static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
   level->field[x][y] = EL_PLAYER_2;
 }
 
+#else
+
+static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+                                    struct LevelFileInfo *level_file_info)
+{
+  if (!LoadNativeLevel_EM(level_file_info->filename))
+    level->no_valid_file = TRUE;
+}
+
+#endif
+
+
 /* ------------------------------------------------------------------------- */
 /* functions for loading SP level                                            */
 /* ------------------------------------------------------------------------- */
@@ -1911,13 +1926,13 @@ static void LoadLevelFromFileStream_SP(FILE *file, struct LevelInfo *level,
   level->time_wheel = 0;
   level->amoeba_content = EL_EMPTY;
 
-  for(i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+  for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
     level->score[i] = 0;               /* !!! CORRECT THIS !!! */
 
   /* there are no yamyams in supaplex levels */
-  for(i = 0; i < level->num_yamyam_contents; i++)
-    for(y = 0; y < 3; y++)
-      for(x = 0; x < 3; x++)
+  for (i = 0; i < level->num_yamyam_contents; i++)
+    for (y = 0; y < 3; y++)
+      for (x = 0; x < 3; x++)
        level->yamyam_content[i][x][y] = EL_EMPTY;
 }
 
@@ -2118,6 +2133,7 @@ void LoadLevelFromFileInfo(struct LevelInfo *level,
 
     case LEVEL_FILE_TYPE_EM:
       LoadLevelFromFileInfo_EM(level, level_file_info);
+      level->game_engine_type = GAME_ENGINE_TYPE_EM;
       break;
 
     case LEVEL_FILE_TYPE_SP:
@@ -2128,6 +2144,9 @@ void LoadLevelFromFileInfo(struct LevelInfo *level,
       LoadLevelFromFileInfo_RND(level, level_file_info);
       break;
   }
+
+  if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
+    level->game_engine_type = GAME_ENGINE_TYPE_RND;
 }
 
 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
@@ -2618,6 +2637,8 @@ static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
   putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
   putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
 
+  putFile8Bit(file, level->game_engine_type);
+
   WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED);
 }