Revert "rework logic"

This reverts commit efbaa3ef.

gframe/deck_manager.cpp

@@ -72,15 +72,15 @@ const std::unordered_map<int, int>* DeckManager::GetLFListContent(int lfhash) {
 	return nullptr;
 }
 int DeckManager::IsGameRuleDisallowed(unsigned char hostInfoRule, unsigned int cardOt) {
-	if(hostInfoRule != 4) { // non-CCG
-		bool allow_ocg = hostInfoRule == 0 || hostInfoRule == 2; // OCG can be used in OCG and OT duels
-		bool allow_tcg = hostInfoRule == 1 || hostInfoRule == 2; // TCG can be used in TCG and OT duels
-		if(!allow_ocg && ((cardOt & 0x3) == 0x1))
-			return DECKERROR_OCGONLY;
-		if(!allow_tcg && ((cardOt & 0x3) == 0x2))
-			return DECKERROR_TCGONLY;
-	} else if((cardOt & 0x8) && (cardOt & 0x3)) { // in CCG duels, cards labeled with ither OCG or TCG, but not CCG, would not be allowed.
-		if((cardOt & 0x3) == 0x2) {
+	bool allow_ocg = hostInfoRule == 0 || hostInfoRule == 4 || hostInfoRule == 2; // OCG can be used in OCG and OT duels
+	bool allow_tcg = hostInfoRule == 1 || hostInfoRule == 2; // TCG can be used in TCG and OT duels
+	bool allow_ccg = hostInfoRule == 0 || hostInfoRule == 4 || hostInfoRule == 2; // CCG can be used in OCG, CCG and OT duels
+	if(!allow_ocg && ((cardOt & 0x3) == 0x1))
+		return DECKERROR_OCGONLY;
+	if(!allow_tcg && ((cardOt & 0x3) == 0x2))
+		return DECKERROR_TCGONLY;
+	if(hostInfoRule == 4 && !(cardOt & 0x8) && (cardOt & 0x3)) { // in CCG duels, cards labeled with ither OCG or TCG, but not CCG, would not be allowed.
+		if(cardOt & 0x3 == 0x2) {
 			return DECKERROR_TCGONLY;
 		} else {
 			return DECKERROR_OCGONLY;