replaced flag for game/tape mouse actions by bitmask

[rocksndiamonds.git] / src / files.c

diff --git a/src/files.c b/src/files.c
index 54835e281f2136a93ba98abcf09ad7b074e122c8..d38858203b8fb2a5e527bedd43e22a28c9cbb18b 100644 (file)
--- a/src/files.c
+++ b/src/files.c
@@ -3986,7 +3986,7 @@ static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
     int demo_repeat = (demo->data[i] & 0xf0) >> 4;
     int tape_action = map_key_SP_to_RND(demo_action);
     int tape_repeat = demo_repeat + 1;
-    byte action[MAX_PLAYERS] = { tape_action, 0, 0, 0 };
+    byte action[MAX_TAPE_ACTIONS] = { tape_action };
     boolean success = 0;
     int j;
 
@@ -7619,6 +7619,56 @@ static void setTapeInfoToDefaults(void)
   tape.no_valid_file = FALSE;
 }
 
+static int getTapePosSize(struct TapeInfo *tape)
+{
+  int tape_pos_size = 0;
+
+  if (tape->event_mask == GAME_EVENTS_KEYS)
+    tape_pos_size += tape->num_participating_players;
+  else
+    tape_pos_size += 3;                // x and y position and mouse button mask
+
+  tape_pos_size += 1;          // tape action delay value
+
+  return tape_pos_size;
+}
+
+static int getGameEventMaskFromTapeEventValue(int value)
+{
+  switch (value)
+  {
+    case TAPE_EVENTS_KEYS_ONLY:
+      return GAME_EVENTS_KEYS;
+
+    case TAPE_EVENTS_MOUSE_ONLY:
+      return GAME_EVENTS_MOUSE;
+
+    case TAPE_EVENTS_KEYS_AND_MOUSE:
+      return GAME_EVENTS_KEYS | GAME_EVENTS_MOUSE;
+
+    default:
+      return GAME_EVENTS_DEFAULT;
+  }
+}
+
+static int getTapeEventValueFromGameEventMask(int mask)
+{
+  switch (mask)
+  {
+    case GAME_EVENTS_KEYS:
+      return TAPE_EVENTS_KEYS_ONLY;
+
+    case GAME_EVENTS_MOUSE:
+      return TAPE_EVENTS_MOUSE_ONLY;
+
+    case GAME_EVENTS_KEYS | GAME_EVENTS_MOUSE:
+      return TAPE_EVENTS_KEYS_AND_MOUSE;
+
+    default:
+      return TAPE_EVENTS_DEFAULT;
+  }
+}
+
 static int LoadTape_VERS(File *file, int chunk_size, struct TapeInfo *tape)
 {
   tape->file_version = getFileVersion(file);
@@ -7654,7 +7704,7 @@ static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
       }
     }
 
-    tape->use_mouse = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+    tape->event_mask = getGameEventMaskFromTapeEventValue(getFile8Bit(file));
 
     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
 
@@ -7691,8 +7741,7 @@ static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
 static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
 {
   int i, j;
-  int tape_pos_size =
-    (tape->use_mouse ? 3 : tape->num_participating_players) + 1;
+  int tape_pos_size = getTapePosSize(tape);
   int chunk_size_expected = tape_pos_size * tape->length;
 
   if (chunk_size_expected != chunk_size)
@@ -7710,12 +7759,12 @@ static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
 
       // tape too large; read and ignore remaining tape data from this chunk
       for (;i < tape->length; i++)
-       ReadUnusedBytesFromFile(file, tape->num_participating_players + 1);
+       ReadUnusedBytesFromFile(file, tape_pos_size);
 
       break;
     }
 
-    if (tape->use_mouse)
+    if (tape->event_mask == GAME_EVENTS_MOUSE)
     {
       tape->pos[i].action[TAPE_ACTION_LX]     = getFile8Bit(file);
       tape->pos[i].action[TAPE_ACTION_LY]     = getFile8Bit(file);
@@ -8057,7 +8106,7 @@ static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
 
   putFile8Bit(file, store_participating_players);
 
-  putFile8Bit(file, (tape->use_mouse ? 1 : 0));
+  putFile8Bit(file, getTapeEventValueFromGameEventMask(tape->event_mask));
 
   // unused bytes not at the end here for 4-byte alignment of engine_version
   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
@@ -8084,7 +8133,7 @@ static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
 
   for (i = 0; i < tape->length; i++)
   {
-    if (tape->use_mouse)
+    if (tape->event_mask == GAME_EVENTS_MOUSE)
     {
       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
       putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
@@ -8105,7 +8154,6 @@ void SaveTape(int nr)
 {
   char *filename = getTapeFilename(nr);
   FILE *file;
-  int num_participating_players = 0;
   int tape_pos_size;
   int info_chunk_size;
   int body_chunk_size;
@@ -8122,12 +8170,14 @@ void SaveTape(int nr)
   tape.file_version = FILE_VERSION_ACTUAL;
   tape.game_version = GAME_VERSION_ACTUAL;
 
+  tape.num_participating_players = 0;
+
   // count number of participating players
   for (i = 0; i < MAX_PLAYERS; i++)
     if (tape.player_participates[i])
-      num_participating_players++;
+      tape.num_participating_players++;
 
-  tape_pos_size = (tape.use_mouse ? 3 : num_participating_players) + 1;
+  tape_pos_size = getTapePosSize(&tape);
 
   info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
   body_chunk_size = tape_pos_size * tape.length;