cancel MSG_SELECT_PLACE (#2320)

gframe/duelclient.cpp

@@ -1690,7 +1690,10 @@ int DuelClient::ClientAnalyze(char * msg, unsigned int len) {
 	case MSG_SELECT_PLACE:
 	case MSG_SELECT_DISFIELD: {
 		int selecting_player = BufferIO::ReadInt8(pbuf);
-		mainGame->dField.select_min = BufferIO::ReadInt8(pbuf);
+		int count = BufferIO::ReadInt8(pbuf);
+		mainGame->dField.select_min = count > 0 ? count : 1;
+		mainGame->dField.select_ready = false;
+		mainGame->dField.select_cancelable = count == 0;
 		mainGame->dField.selectable_field = ~BufferIO::ReadInt32(pbuf);
 		if(selecting_player == mainGame->LocalPlayer(1))
 			mainGame->dField.selectable_field = (mainGame->dField.selectable_field >> 16) | (mainGame->dField.selectable_field << 16);
@@ -1765,6 +1768,9 @@ int DuelClient::ClientAnalyze(char * msg, unsigned int len) {
 			DuelClient::SendResponse();
 			return true;
 		}
+		if(mainGame->dField.select_cancelable) {
+			mainGame->dField.ShowCancelOrFinishButton(1);
+		}
 		return false;
 	}
 	case MSG_SELECT_POSITION: {

gframe/event_handler.cpp

@@ -1335,6 +1335,7 @@ bool ClientField::OnEvent(const irr::SEvent& event) {
 							selected_field = 0;
 							DuelClient::SetResponseB(respbuf, p);
 							DuelClient::SendResponse();
+							ShowCancelOrFinishButton(0);
 						}
 					}
 				}
@@ -2513,6 +2514,19 @@ void ClientField::CancelOrFinish() {
 		}
 		break;
 	}
+	case MSG_SELECT_PLACE: {
+		if(select_cancelable) {
+			unsigned char respbuf[3];
+			respbuf[0] = mainGame->LocalPlayer(0);
+			respbuf[1] = 0;
+			respbuf[2] = 0;
+			mainGame->dField.selectable_field = 0;
+			DuelClient::SetResponseB(respbuf, 3);
+			DuelClient::SendResponse();
+			ShowCancelOrFinishButton(0);
+		}
+		break;
+	}
 	}
 }
 }