Fix more sequence problems

They never stop coming, do they

tptmp/client/client.lua

@@ -401,28 +401,34 @@ function client_i:handle_flood_39_()
 	end
 	member.last_tool = member[index_to_lrax[index]]
 	local x, y = self:read_xy_12_()
-	util.flood_any(x, y, member.last_tool, -1, -1, member)
+	if member.last_tool then
+		util.flood_any(x, y, member.last_tool, -1, -1, member)
+	end
 end
 
 function client_i:handle_lineend_40_()
 	local member = self:member_prefix_()
 	local x1, y1 = member.line_x, member.line_y
 	local x2, y2 = self:read_xy_12_()
-	if member.kmod_a then
-		x2, y2 = util.line_snap_coords(x1, y1, x2, y2)
+	if member:can_render() and x1 and member.last_tool then
+		if member.kmod_a then
+			x2, y2 = util.line_snap_coords(x1, y1, x2, y2)
+		end
+		util.create_line_any(x1, y1, x2, y2, member.size_x, member.size_y, member.last_tool, member.shape, member, false)
 	end
-	util.create_line_any(x1, y1, x2, y2, member.size_x, member.size_y, member.last_tool, member.shape, member, false)
 	member.line_x, member.line_y = nil, nil
 end
 
 function client_i:handle_rectend_41_()
 	local member = self:member_prefix_()
 	local x1, y1 = member.rect_x, member.rect_y
 	local x2, y2 = self:read_xy_12_()
-	if member.kmod_a then
-		x2, y2 = util.rect_snap_coords(x1, y1, x2, y2)
+	if member:can_render() and x1 and member.last_tool then
+		if member.kmod_a then
+			x2, y2 = util.rect_snap_coords(x1, y1, x2, y2)
+		end
+		util.create_box_any(x1, y1, x2, y2, member.last_tool, member)
 	end
-	util.create_box_any(x1, y1, x2, y2, member.last_tool, member)
 	member.rect_x, member.rect_y = nil, nil
 end
 
@@ -434,15 +440,17 @@ function client_i:handle_pointsstart_42_()
 	end
 	member.last_tool = member[index_to_lrax[index]]
 	local x, y = self:read_xy_12_()
-	util.create_parts_any(x, y, member.size_x, member.size_y, member.last_tool, member.shape, member)
+	if member:can_render() and member.last_tool then
+		util.create_parts_any(x, y, member.size_x, member.size_y, member.last_tool, member.shape, member)
+	end
 	member.last_x = x
 	member.last_y = y
 end
 
 function client_i:handle_pointscont_43_()
 	local member = self:member_prefix_()
 	local x, y = self:read_xy_12_()
-	if member.last_x then
+	if member:can_render() and member.last_tool and member.last_x then
 		util.create_line_any(member.last_x, member.last_y, x, y, member.size_x, member.size_y, member.last_tool, member.shape, member, true)
 	end
 	member.last_x = x
@@ -1181,7 +1189,7 @@ function client_i:tick_sim_()
 	for _, member in pairs(self.id_to_member) do
 		if member:can_render() then
 			local lx, ly = member.line_x, member.line_y
-			if member.last_tool == util.from_tool.DEFAULT_UI_WIND and not (member.select or member.place) and lx then
+			if lx and member.last_tool == util.from_tool.DEFAULT_UI_WIND and not (member.select or member.place) and lx then
 				local px, py = member.pos_x, member.pos_y
 				if member.kmod_a then
 					px, py = util.line_snap_coords(lx, ly, px, py)

tptmp/client/init.lua

@@ -281,8 +281,8 @@ local function run()
 						sx, sy = 0, 0
 					end
 					local tool = member.last_tool or member.tool_l
-					local tool_name = util.to_tool[tool] or decode_rulestring(tool) or "UNKNOWN"
-					local tool_class = util.xid_class[tool]
+					local tool_name = (tool and util.to_tool[tool] or decode_rulestring(tool)) or "UNKNOWN"
+					local tool_class = tool and util.xid_class[tool]
 					if elem[tool_name] and tool ~= 0 and tool_name ~= "UNKNOWN" then
 						local real_name = elem.property(elem[tool_name], "Name")
 						if real_name ~= "" then
@@ -300,8 +300,7 @@ local function run()
 					local repl_tool_name
 					if member.bmode ~= 0 then
 						local repl_tool = member.tool_x
-						repl_tool_name = util.to_tool[repl_tool] or "UNKNOWN"
-						local repl_tool_class = util.xid_class[repl_tool]
+						repl_tool_name = repl_tool and util.to_tool[repl_tool] or "UNKNOWN"
 						if elem[repl_tool_name] and repl_tool ~= 0 and repl_tool_name ~= "UNKNOWN" then
 							local real_name = elem.property(elem[repl_tool_name], "Name")
 							if real_name ~= "" then

tptmp/common/config.lua

@@ -6,7 +6,7 @@ return {
 	-- ***********************************************************************
 
 	-- * Protocol version, between 0 and 254. 255 is reserved for future use.
-	version = 30,
+	version = 31,
 
 	-- * Client-to-server message size limit, between 0 and 255, the latter
 	--   limit being imposted by the protocol.