1 files changed, 56 insertions, 0 deletions
diff --git a/src/saveload/animated_tile_sl.cpp b/src/saveload/animated_tile_sl.cpp
new file mode 100644
index 000000000..ba3f519db
--- /dev/null
+++ b/src/saveload/animated_tile_sl.cpp
@@ -0,0 +1,56 @@
+/* $Id$ */
+
+/** @file animated_tile_sl.cpp Code handling saving and loading of animated tiles */
+
+#include "../stdafx.h"
+#include "../tile_type.h"
+#include "../core/alloc_func.hpp"
+
+#include "saveload.h"
+
+extern TileIndex *_animated_tile_list;
+extern uint _animated_tile_count;
+extern uint _animated_tile_allocated;
+
+/**
+ * Save the ANIT chunk.
+ */
+static void Save_ANIT()
+{
+	SlSetLength(_animated_tile_count * sizeof(*_animated_tile_list));
+	SlArray(_animated_tile_list, _animated_tile_count, SLE_UINT32);
+}
+
+/**
+ * Load the ANIT chunk; the chunk containing the animated tiles.
+ */
+static void Load_ANIT()
+{
+	/* Before version 80 we did NOT have a variable length animated tile table */
+	if (CheckSavegameVersion(80)) {
+		/* In pre version 6, we has 16bit per tile, now we have 32bit per tile, convert it ;) */
+		SlArray(_animated_tile_list, 256, CheckSavegameVersion(6) ? (SLE_FILE_U16 | SLE_VAR_U32) : SLE_UINT32);
+
+		for (_animated_tile_count = 0; _animated_tile_count < 256; _animated_tile_count++) {
+			if (_animated_tile_list[_animated_tile_count] == 0) break;
+		}
+		return;
+	}
+
+	_animated_tile_count = (uint)SlGetFieldLength() / sizeof(*_animated_tile_list);
+
+	/* Determine a nice rounded size for the amount of allocated tiles */
+	_animated_tile_allocated = 256;
+	while (_animated_tile_allocated < _animated_tile_count) _animated_tile_allocated *= 2;
+
+	_animated_tile_list = ReallocT<TileIndex>(_animated_tile_list, _animated_tile_allocated);
+	SlArray(_animated_tile_list, _animated_tile_count, SLE_UINT32);
+}
+
+/**
+ * "Definition" imported by the saveload code to be able to load and save
+ * the animated tile table.
+ */
+extern const ChunkHandler _animated_tile_chunk_handlers[] = {
+	{ 'ANIT', Save_ANIT, Load_ANIT, CH_RIFF | CH_LAST},
+};