From 9b8c2824b14430924db7f26ea3a1cefb6738d934 Mon Sep 17 00:00:00 2001
From: mercury233 <me@mercury233.me>
Date: Wed, 31 Aug 2022 16:19:18 +0800
Subject: [PATCH] cancel spell set from hand

---
 operations.cpp | 26 +++++++++++++++++++++++---
 playerop.cpp   |  9 ++++-----
 2 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/operations.cpp b/operations.cpp
index 3b208c8cc..15c6a5bcc 100644
--- a/operations.cpp
+++ b/operations.cpp
@@ -2376,6 +2376,26 @@ int32 field::sset(uint16 step, uint8 setplayer, uint8 toplayer, card * target, e
 			return TRUE;
 		if(target->is_affected_by_effect(EFFECT_CANNOT_SSET))
 			return TRUE;
+		uint32 flag = 0;
+		if(target->data.type & TYPE_FIELD) {
+			flag = ~(0x1 << 13);
+		} else {
+			get_useable_count(target, setplayer, LOCATION_SZONE, toplayer, LOCATION_REASON_TOFIELD, 0xff, &flag);
+			flag = ((flag & 0xff) << 8) | 0xffff00ff;
+			flag |= 0xe080e080;
+		}
+		pduel->write_buffer8(MSG_HINT);
+		pduel->write_buffer8(HINT_SELECTMSG);
+		pduel->write_buffer8(setplayer);
+		pduel->write_buffer32(target->data.code);
+		add_process(PROCESSOR_SELECT_PLACE, 0, 0, 0, setplayer, flag, 0);
+		return FALSE;
+	}
+	case 1: {
+		if(returns.bvalue[1] == 0) {
+			return TRUE;
+		}
+		target->to_field_param = returns.bvalue[2];
 		effect_set eset;
 		target->filter_effect(EFFECT_SSET_COST, &eset);
 		for(int32 i = 0; i < eset.size(); ++i) {
@@ -2386,12 +2406,12 @@ int32 field::sset(uint16 step, uint8 setplayer, uint8 toplayer, card * target, e
 		}
 		return FALSE;
 	}
-	case 1: {
+	case 2: {
 		target->enable_field_effect(false);
-		move_to_field(target, setplayer, toplayer, LOCATION_SZONE, POS_FACEDOWN, FALSE, 0, FALSE, (target->data.type & TYPE_FIELD) ? 0x1 << 5 : 0xff);
+		move_to_field(target, setplayer, toplayer, LOCATION_SZONE, POS_FACEDOWN, FALSE, 0, FALSE, 0x1 << target->to_field_param);
 		return FALSE;
 	}
-	case 2: {
+	case 3: {
 		core.phase_action = TRUE;
 		target->set_status(STATUS_SET_TURN, TRUE);
 		if(target->data.type & TYPE_MONSTER) {
diff --git a/playerop.cpp b/playerop.cpp
index dc50b0edc..8a38ed076 100644
--- a/playerop.cpp
+++ b/playerop.cpp
@@ -374,8 +374,6 @@ int32 field::select_chain(uint16 step, uint8 playerid, uint8 spe_count, uint8 fo
 }
 int32 field::select_place(uint16 step, uint8 playerid, uint32 flag, uint8 count) {
 	if(step == 0) {
-		if(count == 0)
-			return TRUE;
 		if((playerid == 1) && (core.duel_options & DUEL_SIMPLE_AI)) {
 			flag = ~flag;
 			int32 filter;
@@ -433,14 +431,15 @@ int32 field::select_place(uint16 step, uint8 playerid, uint32 flag, uint8 count)
 	} else {
 		uint8 pt = 0;
 		uint32 selected = 0;
-		for(int8 i = 0; i < count; ++i) {
+		for(int8 i = 0; i < 1 || i < count; ++i) {
 			uint8 p = returns.bvalue[pt];
 			uint8 l = returns.bvalue[pt + 1];
 			uint8 s = returns.bvalue[pt + 2];
 			uint32 sel = 0x1u << (s + (p == playerid ? 0 : 16) + (l == LOCATION_MZONE ? 0 : 8));
-			if((p != 0 && p != 1)
+			if(!(count == 0 && i == 0 && l == 0)
+				&& ((p != 0 && p != 1)
 					|| ((l != LOCATION_MZONE) && (l != LOCATION_SZONE))
-					|| (sel & flag) || (sel & selected)) {
+					|| (sel & flag) || (sel & selected))) {
 				pduel->write_buffer8(MSG_RETRY);
 				return FALSE;
 			}