make cc update field when block placement is wrong

parts/ai.lua

@@ -275,11 +275,17 @@ return{
 			return 2
 		end,--start thinking
 		function(P,ctrl)
-			local success,hold,move=BOT.getMove(P.AI_bot)
+			local success,dest,hold,move=BOT.getMove(P.AI_bot)
 			if success == 2 then
 				ins(ctrl,6)
 				return 3
 			elseif success == 0 then
+				for i=1,#dest do
+					for j=1,#dest[i] do
+						dest[i][j] = dest[i][j] + 1
+					end
+				end
+				P.AI_dest = dest
 				if hold then ctrl[1]=8 end--Hold
 				while move[1]do
 					local m=rem(move,1)

parts/player.lua

@@ -1273,6 +1273,7 @@ function player.freshLockDelay(P)
 	end
 end
 function player.lock(P)
+	local dest = P.AI_dest
 	for i=1,P.r do
 		local y=P.curY+i-1
 		if not P.field[y]then P.field[y],P.visTime[y]=freeRow.get(0),freeRow.get(0)end
@@ -1280,6 +1281,20 @@ function player.lock(P)
 			if P.cur.bk[i][j]then
 				P.field[y][P.curX+j-1]=P.cur.color
 				P.visTime[y][P.curX+j-1]=P.showTime
+				local x = P.curX+j-1
+				if dest then
+					local original_length = #dest
+					for k=1,original_length do
+						if x == dest[k][1] and y == dest[k][2] then
+							rem(dest, k)
+							break
+						end
+					end
+					if #dest ~= original_length - 1 then
+						CC_updateField(P)
+						dest = nil
+					end
+				end
 			end
 		end
 	end