cpp/openttd-patchpack/source Changeset - r2329:ea0e9adbf1e6

Changeset - r2329:ea0e9adbf1e6

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tron - 19 years ago 2005-08-11 13:09:12
tron@openttd.org

(svn r2855) Make ReadSpriteHeaderSkipData() responsible for detecting the end of a grf file instead of its callers - this simplifies the code a bit

1 file changed with 11 insertions and 16 deletions:

spritecache.c

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spritecache.c

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@@ @@ -78,11 +78,14 @@ static const SpriteID * const _slopes_sp @@
 static void CompactSpriteCache(void);
-static void ReadSpriteHeaderSkipData(int num, int load_index)
+static bool ReadSpriteHeaderSkipData(int load_index)
+{
 	uint16 num = FioReadWord();
 	byte type;
 	int deaf = 0;
 	if (num == 0) return false;
 	if (_skip_sprites) {
 		if (_skip_sprites > 0)
 			_skip_sprites--;
@@ @@ -102,13 +105,12 @@ static void ReadSpriteHeaderSkipData(int @@
 		} else {
 			DecodeSpecialSprite(_cur_grffile, num, load_index, _loading_stage);
+		}
 		return;
+		return true;
+	}
 	FioSkipBytes(7);
 	num -= 8;
 	if (num == 0)
 		return;
 	if (num == 0) return true;
 	if (type & 2) {
 		FioSkipBytes(num);
@@ @@ -125,6 +127,8 @@ static void ReadSpriteHeaderSkipData(int @@
+			}
+		}
+	}
 	return true;
+}
 static void* AllocSprite(size_t);
@@ @@ -195,11 +199,8 @@ static void* ReadSprite(SpriteID id) @@
 static bool LoadNextSprite(int load_index, byte file_index)
+{
 	uint32 file_pos = FioGetPos() | (file_index << 24);
 	uint16 size = FioReadWord();
 	if (size == 0) return false;
 	ReadSpriteHeaderSkipData(size, load_index);
 	if (!ReadSpriteHeaderSkipData(load_index)) return false;
 	if (_replace_sprites_count[0] > 0 && _cur_sprite.info != 0xFF) {
 		int count = _replace_sprites_count[0];
@@ @@ -245,14 +246,8 @@ static bool LoadNextSprite(int load_inde @@
 static void SkipSprites(uint count)
+{
 	for (; count > 0; --count)
+	{
 		uint16 size = FioReadWord();
 		if (size == 0)
 			return;
 		ReadSpriteHeaderSkipData(size, MAX_SPRITES - 1);
 	for (; count > 0; --count) {
 		if (!ReadSpriteHeaderSkipData(MAX_SPRITES - 1)) return;
+	}
+}

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