(svn r12757) -Codechange: move all cheat related stuff from all over the place to a single location.

src/cheat.cpp

@@ -0,0 +1,57 @@
+/* $Id$ */
+
+/** @file misc.cpp */
+
+#include "stdafx.h"
+#include "saveload.h"
+#include "cheat_type.h"
+
+Cheats _cheats;
+
+void InitializeCheats()
+{
+	memset(&_cheats, 0, sizeof(Cheats));
+}
+
+static void Save_CHTS()
+{
+	/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
+	byte count = sizeof(_cheats) / sizeof(Cheat);
+	Cheat *cht = (Cheat*) &_cheats;
+	Cheat *cht_last = &cht[count];
+
+	SlSetLength(count * 2);
+	for (; cht != cht_last; cht++) {
+		SlWriteByte(cht->been_used);
+		SlWriteByte(cht->value);
+	}
+}
+
+static void Load_CHTS()
+{
+	Cheat *cht = (Cheat*)&_cheats;
+	uint count = SlGetFieldLength() / 2;
+
+	for (uint i = 0; i < count; i++) {
+		cht[i].been_used = (SlReadByte() != 0);
+		cht[i].value     = (SlReadByte() != 0);
+	}
+}
+
+bool CheatHasBeenUsed()
+{
+	/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
+	const Cheat* cht = (Cheat*)&_cheats;
+	const Cheat* cht_last = &cht[sizeof(_cheats) / sizeof(Cheat)];
+
+	for (; cht != cht_last; cht++) {
+		if (cht->been_used) return true;
+	}
+
+	return false;
+}
+
+
+extern const ChunkHandler _cheat_chunk_handlers[] = {
+	{ 'CHTS', Save_CHTS,     Load_CHTS,     CH_RIFF | CH_LAST}
+};