rnd-20100309-1-src

[rocksndiamonds.git] / src / game_sp / file.c

diff --git a/src/game_sp/file.c b/src/game_sp/file.c
index 2ba322d7e476a0e6fe28e53eaded20a30f278149..f7b833c10474fd26003d51b86b67c49a8599ff20 100644 (file)
--- a/src/game_sp/file.c
+++ b/src/game_sp/file.c
@@ -7,14 +7,22 @@
 /* functions for loading Supaplex level                                      */
 /* ------------------------------------------------------------------------- */
 
+void setTapeInfoToDefaults_SP()
+{
+  native_sp_level.demo.is_available = FALSE;
+  native_sp_level.demo.length = 0;
+}
+
 void setLevelInfoToDefaults_SP()
 {
   LevelInfoType *header = &native_sp_level.header;
   char *empty_title = "-------- EMPTY --------";
   int i, x, y;
 
-  native_sp_level.width  = SP_PLAYFIELD_WIDTH;
-  native_sp_level.height = SP_PLAYFIELD_HEIGHT;
+  native_sp_level.game_sp = &game_sp;
+
+  native_sp_level.width  = SP_STD_PLAYFIELD_WIDTH;
+  native_sp_level.height = SP_STD_PLAYFIELD_HEIGHT;
 
   for (x = 0; x < native_sp_level.width; x++)
     for (y = 0; y < native_sp_level.height; y++)
@@ -47,8 +55,7 @@ void setLevelInfoToDefaults_SP()
   for (i = 0; i < SP_HEADER_SIZE; i++)
     native_sp_level.header_raw_bytes[i] = 0x20;
 
-  native_sp_level.demo.is_available = FALSE;
-  native_sp_level.demo.length = 0;
+  setTapeInfoToDefaults_SP();
 }
 
 void copyInternalEngineVars_SP()
@@ -110,6 +117,9 @@ void copyInternalEngineVars_SP()
     preceding_buffer_size += 8;                /* eight 16-bit integer values */
 #endif
 
+  /* needed for engine snapshots */
+  game_sp.preceding_buffer_size = preceding_buffer_size;
+
   LInfo = native_sp_level.header;
 
   FieldWidth  = native_sp_level.width;
@@ -416,9 +426,9 @@ boolean LoadNativeLevel_SP(char *filename, int level_pos)
                                  strSuffixLower(filename, ".mpx"));
   boolean demo_available = is_single_level_file;
   boolean is_mpx_file = strSuffixLower(filename, ".mpx");
-  int file_seek_pos = level_pos * SP_LEVEL_SIZE;
-  int level_width  = SP_PLAYFIELD_WIDTH;
-  int level_height = SP_PLAYFIELD_HEIGHT;
+  int file_seek_pos = level_pos * SP_STD_LEVEL_SIZE;
+  int level_width  = SP_STD_PLAYFIELD_WIDTH;
+  int level_height = SP_STD_PLAYFIELD_HEIGHT;
 
   /* always start with reliable default values */
   setLevelInfoToDefaults_SP();
@@ -611,8 +621,8 @@ boolean LoadNativeLevel_SP(char *filename, int level_pos)
           multipart_xpos, multipart_ypos, multipart_level.header.LevelTitle);
 #endif
 
-    if (multipart_xpos * SP_PLAYFIELD_WIDTH  > SP_MAX_PLAYFIELD_WIDTH ||
-       multipart_ypos * SP_PLAYFIELD_HEIGHT > SP_MAX_PLAYFIELD_HEIGHT)
+    if (multipart_xpos * SP_STD_PLAYFIELD_WIDTH  > SP_MAX_PLAYFIELD_WIDTH ||
+       multipart_ypos * SP_STD_PLAYFIELD_HEIGHT > SP_MAX_PLAYFIELD_HEIGHT)
     {
       Error(ERR_WARN, "multi-part level is too big -- ignoring part of it");
 
@@ -620,17 +630,17 @@ boolean LoadNativeLevel_SP(char *filename, int level_pos)
     }
 
     multipart_level.width  = MAX(multipart_level.width,
-                                multipart_xpos * SP_PLAYFIELD_WIDTH);
+                                multipart_xpos * SP_STD_PLAYFIELD_WIDTH);
     multipart_level.height = MAX(multipart_level.height,
-                                multipart_ypos * SP_PLAYFIELD_HEIGHT);
+                                multipart_ypos * SP_STD_PLAYFIELD_HEIGHT);
 
     /* copy level part at the right position of multi-part level */
-    for (x = 0; x < SP_PLAYFIELD_WIDTH; x++)
+    for (x = 0; x < SP_STD_PLAYFIELD_WIDTH; x++)
     {
-      for (y = 0; y < SP_PLAYFIELD_HEIGHT; y++)
+      for (y = 0; y < SP_STD_PLAYFIELD_HEIGHT; y++)
       {
-       int start_x = (multipart_xpos - 1) * SP_PLAYFIELD_WIDTH;
-       int start_y = (multipart_ypos - 1) * SP_PLAYFIELD_HEIGHT;
+       int start_x = (multipart_xpos - 1) * SP_STD_PLAYFIELD_WIDTH;
+       int start_y = (multipart_ypos - 1) * SP_STD_PLAYFIELD_HEIGHT;
 
        multipart_level.playfield[start_x + x][start_y + y] =
          native_sp_level.playfield[x][y];
@@ -654,3 +664,64 @@ boolean LoadNativeLevel_SP(char *filename, int level_pos)
 
   return TRUE;
 }
+
+void SaveNativeLevel_SP(char *filename)
+{
+  LevelInfoType *header = &native_sp_level.header;
+  FILE *file;
+  int i, x, y;
+
+  if (!(file = fopen(filename, MODE_WRITE)))
+  {
+    Error(ERR_WARN, "cannot save native level file '%s'", filename);
+
+    return;
+  }
+
+  /* write level playfield (width * height == 60 * 24 tiles == 1440 bytes) */
+  for (y = 0; y < native_sp_level.height; y++)
+    for (x = 0; x < native_sp_level.width; x++)
+      putFile8Bit(file, native_sp_level.playfield[x][y]);
+
+  /* write level header (96 bytes) */
+
+  WriteUnusedBytesToFile(file, 4);
+
+  putFile8Bit(file, header->InitialGravity);
+  putFile8Bit(file, header->Version);
+
+  for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+    putFile8Bit(file, header->LevelTitle[i]);
+
+  putFile8Bit(file, header->InitialFreezeZonks);
+  putFile8Bit(file, header->InfotronsNeeded);
+  putFile8Bit(file, header->SpecialPortCount);
+
+  for (i = 0; i < SP_MAX_SPECIAL_PORTS; i++)
+  {
+    SpecialPortType *port = &header->SpecialPort[i];
+
+    putFile16BitBE(file, port->PortLocation);
+    putFile8Bit(file, port->Gravity);
+    putFile8Bit(file, port->FreezeZonks);
+    putFile8Bit(file, port->FreezeEnemies);
+
+    WriteUnusedBytesToFile(file, 1);
+  }
+
+  putFile8Bit(file, header->SpeedByte);
+  putFile8Bit(file, header->CheckSumByte);
+  putFile16BitLE(file, header->DemoRandomSeed);
+
+  /* also save demo tape, if available */
+
+  if (native_sp_level.demo.is_available)
+  {
+    putFile8Bit(file, native_sp_level.demo.level_nr);
+
+    for (i = 0; i < native_sp_level.demo.length; i++)
+      putFile8Bit(file, native_sp_level.demo.data[i]);
+  }
+
+  fclose(file);
+}