X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Ffiles.c;h=5a5bf6405538feceb3115a6dd39a4d9deecc1d5d;hb=7d171d862abdecced79f60535b49a686386cefe1;hp=0fd7a18ade6db1691778942d270aee3e8f15ecb7;hpb=cee436b68cda95e13abc810235a11ce94bc79c95;p=rocksndiamonds.git

diff --git a/src/files.c b/src/files.c
index 0fd7a18a..5a5bf640 100644
--- 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 +114,10 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
 
   int i, j, x, y;
 
+  level->native_em_level = &native_em_level;
+
+  level->game_engine_type = GAME_ENGINE_TYPE_RND;
+
   level->file_version = FILE_VERSION_ACTUAL;
   level->game_version = GAME_VERSION_ACTUAL;
 
@@ -712,6 +716,8 @@ 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 +1345,8 @@ 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 +1659,13 @@ 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 +1678,7 @@ 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 +1689,20 @@ 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 +1735,9 @@ 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 +1765,151 @@ static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
   level->field[x][y] = EL_PLAYER_2;
 }
 
+#else
+
+void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
+{
+  struct LevelInfo_EM *level_em = level->native_em_level;
+  struct LEVEL *lev = level_em->lev;
+  struct PLAYER *ply1 = level_em->ply1;
+  struct PLAYER *ply2 = level_em->ply2;
+  int i, x, y;
+
+  lev->width  = MIN(level->fieldx, EM_MAX_CAVE_WIDTH);
+  lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT);
+
+  lev->time_initial = level->time;
+  lev->required_initial = level->gems_needed;
+
+  lev->emerald_score	= level->score[SC_EMERALD];
+  lev->diamond_score	= level->score[SC_DIAMOND];
+  lev->alien_score	= level->score[SC_ROBOT];
+  lev->tank_score	= level->score[SC_SPACESHIP];
+  lev->bug_score	= level->score[SC_BUG];
+  lev->eater_score	= level->score[SC_YAMYAM];
+  lev->nut_score	= level->score[SC_NUT];
+  lev->dynamite_score	= level->score[SC_DYNAMITE];
+  lev->key_score	= level->score[SC_TIME_BONUS];	/* ??? CHECK THIS */
+
+  for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+    for (y = 0; y < 3; y++)
+      for (x = 0; x < 3; x++)
+	lev->eater_array[i][y * 3 + x] =
+	  map_element_RND_to_EM(level->yamyam_content[i][x][y]);
+
+  lev->ameuba_time		= level->amoeba_speed;
+  lev->wonderwall_time_initial	= level->time_magic_wall;
+  lev->wheel_time		= level->time_wheel;
+
+  /* first fill the complete playfield with the default border element */
+  for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
+    for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
+      level_em->cave[x][y] = ZBORDER;
+
+  /* then copy the real level contents from level file into the playfield */
+  for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+  {
+    int new_element = map_element_RND_to_EM(level->field[x][y]);
+
+    level_em->cave[x + 1][y + 1] = new_element;
+  }
+
+  ply1->x_initial = 0;
+  ply1->y_initial = 0;
+
+  ply2->x_initial = 0;
+  ply2->y_initial = 0;
+
+  /* at last, set the two players at their positions in the playfield */
+  for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+  {
+    if (level->field[x][y] == EL_PLAYER_1)
+    {
+      ply1->x_initial = x + 1;
+      ply1->y_initial = y + 1;
+    }
+    else if (level->field[x][y] == EL_PLAYER_2)
+    {
+      ply2->x_initial = x + 1;
+      ply2->y_initial = y + 1;
+    }
+  }
+}
+
+void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
+{
+  struct LevelInfo_EM *level_em = level->native_em_level;
+  struct LEVEL *lev = level_em->lev;
+  struct PLAYER *ply1 = level_em->ply1;
+  struct PLAYER *ply2 = level_em->ply2;
+  int i, x, y;
+
+  level->fieldx = MIN(lev->width,  MAX_LEV_FIELDX);
+  level->fieldy = MIN(lev->height, MAX_LEV_FIELDY);
+
+  level->time = lev->time_initial;
+  level->gems_needed = lev->required_initial;
+
+  sprintf(level->name, "Level %d", level->file_info.nr);
+
+  level->score[SC_EMERALD]	= lev->emerald_score;
+  level->score[SC_DIAMOND]	= lev->diamond_score;
+  level->score[SC_ROBOT]	= lev->alien_score;
+  level->score[SC_SPACESHIP]	= lev->tank_score;
+  level->score[SC_BUG]		= lev->bug_score;
+  level->score[SC_YAMYAM]	= lev->eater_score;
+  level->score[SC_NUT]		= lev->nut_score;
+  level->score[SC_DYNAMITE]	= lev->dynamite_score;
+  level->score[SC_TIME_BONUS]	= lev->key_score;	/* ??? CHECK THIS */
+
+  level->num_yamyam_contents = MAX_ELEMENT_CONTENTS;
+
+  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_element_EM_to_RND(lev->eater_array[i][y * 3 + x]);
+
+  level->amoeba_speed		= lev->ameuba_time;
+  level->time_magic_wall	= lev->wonderwall_time_initial;
+  level->time_wheel		= lev->wheel_time;
+
+  for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+  {
+    int new_element = map_element_EM_to_RND(level_em->cave[x + 1][y + 1]);
+
+    if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0)
+      new_element = EL_AMOEBA_DEAD;
+
+    level->field[x][y] = new_element;
+  }
+
+  level->field[ply1->x_initial - 1][ply1->y_initial - 1] = EL_PLAYER_1;
+  level->field[ply2->x_initial - 1][ply2->y_initial - 1] = EL_PLAYER_2;
+}
+
+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
+
+void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
+{
+  if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+    CopyNativeLevel_RND_to_EM(level);
+}
+
+void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
+{
+  if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+    CopyNativeLevel_EM_to_RND(level);
+}
+
+
 /* ------------------------------------------------------------------------- */
 /* functions for loading SP level                                            */
 /* ------------------------------------------------------------------------- */
@@ -1911,13 +2061,13 @@ 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 +2268,7 @@ 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 +2279,11 @@ 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;
+
+  CopyNativeLevel_Native_to_RND(level);
 }
 
 void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
@@ -2618,6 +2774,8 @@ 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);
 }