FlashEvent - Maniac Patch Parameters

Supporting usage of variables when
game uses maniac patch
and parameters size is bigger than 7.

src/game_interpreter_map.cpp

@@ -712,11 +712,17 @@ bool Game_Interpreter_Map::CommandShowBattleAnimation(lcf::rpg::EventCommand con
 }
 
 bool Game_Interpreter_Map::CommandFlashSprite(lcf::rpg::EventCommand const& com) { // code 11320
-	int event_id = com.parameters[0];
-	int r = com.parameters[1];
-	int g = com.parameters[2];
-	int b = com.parameters[3];
-	int p = com.parameters[4];
+	auto getFlashParam = [&](int index) {
+		return (com.parameters.size() <= 8 && Player::IsPatchManiac())
+			? ValueOrVariableBitfield(com.parameters[7], index, com.parameters[index])
+			: com.parameters[index];
+		};
+
+	const int event_id = getFlashParam(0);
+	const int r = getFlashParam(1);
+	const int g = getFlashParam(2);
+	const int b = getFlashParam(3);
+	const int p = getFlashParam(4);
 
 	int tenths = com.parameters[5];
 	bool wait = com.parameters[6] > 0;