add EFFECT_OVERLAY_REMOVE_COST_CHANGE_KOISHI

effect.h

@@ -114,6 +114,7 @@ public:
 #define EFFECT_REMOVE_LINK_MARKER_KOISHI	37564152
 #define EFFECT_CANNOT_LOSE_KOISHI			37564153
 #define EFFECT_EXTRA_TOMAIN_KOISHI			37564154
+#define EFFECT_OVERLAY_REMOVE_COST_CHANGE_KOISHI			37564155
 
 //status
 #define EFFECT_STATUS_AVAILABLE	0x0001

field.cpp

@@ -3234,13 +3234,32 @@ int32 field::is_player_can_remove_counter(uint8 playerid, card * pcard, uint8 s,
 	return FALSE;
 }
 int32 field::is_player_can_remove_overlay_card(uint8 playerid, card * pcard, uint8 s, uint8 o, uint16 min, uint32 reason) {
-	if((pcard && pcard->xyz_materials.size() >= min) || (!pcard && get_overlay_count(playerid, s, o) >= min))
+	int32 minc = min;
+	effect_set eset;
+	filter_player_effect(playerid, EFFECT_OVERLAY_REMOVE_COST_CHANGE_KOISHI, &eset);
+	for(int32 i = 0; i < eset.size(); ++i) {
+		pduel->lua->add_param(core.reason_effect, PARAM_TYPE_EFFECT);
+		pduel->lua->add_param(playerid, PARAM_TYPE_INT);
+		pduel->lua->add_param(minc, PARAM_TYPE_INT);
+		pduel->lua->add_param(reason, PARAM_TYPE_INT);
+		int32 param_count;
+		if(pcard) {
+			pduel->lua->add_param(pcard, PARAM_TYPE_CARD);
+			param_count = 5;
+		} else {
+			pduel->lua->add_param(s, PARAM_TYPE_INT);
+			pduel->lua->add_param(o, PARAM_TYPE_INT);
+			param_count = 6;
+		}
+		minc = eset[i]->get_value(param_count);
+	}
+	if((pcard && pcard->xyz_materials.size() >= minc) || (!pcard && get_overlay_count(playerid, s, o) >= minc))
 		return TRUE;
 	auto pr = effects.continuous_effect.equal_range(EFFECT_OVERLAY_REMOVE_REPLACE);
 	tevent e;
 	e.event_cards = 0;
 	e.event_player = playerid;
-	e.event_value = min;
+	e.event_value = minc;
 	e.reason = reason;
 	e.reason_effect = core.reason_effect;
 	e.reason_player = playerid;

interpreter.cpp

@@ -698,6 +698,8 @@ interpreter::interpreter(duel* pd): coroutines(256) {
 	lua_setglobal(lua_state, "EFFECT_CANNOT_LOSE_KOISHI");
 	lua_pushinteger(lua_state, EFFECT_EXTRA_TOMAIN_KOISHI);
 	lua_setglobal(lua_state, "EFFECT_EXTRA_TOMAIN_KOISHI");
+	lua_pushinteger(lua_state, EFFECT_OVERLAY_REMOVE_COST_CHANGE_KOISHI);
+	lua_setglobal(lua_state, "EFFECT_OVERLAY_REMOVE_COST_CHANGE_KOISHI");
 	//music hints
 	lua_pushinteger(lua_state, HINT_MUSIC);
 	lua_setglobal(lua_state, "HINT_MUSIC");

operations.cpp

@@ -758,7 +758,27 @@ int32 field::remove_overlay_card(uint16 step, uint32 reason, card* pcard, uint8
 	case 0: {
 		core.select_options.clear();
 		core.select_effects.clear();
-		if((pcard && pcard->xyz_materials.size() >= min) || (!pcard && get_overlay_count(rplayer, s, o) >= min)) {
+		int32 minc = min;
+		effect_set eset;
+		filter_player_effect(rplayer, EFFECT_OVERLAY_REMOVE_COST_CHANGE_KOISHI, &eset);
+		for(int32 i = 0; i < eset.size(); ++i) {
+			pduel->lua->add_param(core.reason_effect, PARAM_TYPE_EFFECT);
+			pduel->lua->add_param(rplayer, PARAM_TYPE_INT);
+			pduel->lua->add_param(minc, PARAM_TYPE_INT);
+			pduel->lua->add_param(reason, PARAM_TYPE_INT);
+			int32 param_count;
+			if(pcard) {
+				pduel->lua->add_param(pcard, PARAM_TYPE_CARD);
+				param_count = 5;
+			} else {
+				pduel->lua->add_param(s, PARAM_TYPE_INT);
+				pduel->lua->add_param(o, PARAM_TYPE_INT);
+				param_count = 6;
+			}
+			minc = eset[i]->get_value(param_count);
+		}
+		core.units.begin()->arg2 = (max << 16) + minc;
+		if((pcard && pcard->xyz_materials.size() >= minc) || (!pcard && get_overlay_count(rplayer, s, o) >= minc)) {
 			core.select_options.push_back(12);
 			core.select_effects.push_back(0);
 		}
@@ -766,7 +786,7 @@ int32 field::remove_overlay_card(uint16 step, uint32 reason, card* pcard, uint8
 		tevent e;
 		e.event_cards = 0;
 		e.event_player = rplayer;
-		e.event_value = min;
+		e.event_value = minc;
 		e.reason = reason;
 		e.reason_effect = core.reason_effect;
 		e.reason_player = rplayer;