Replace "Allow accelereting train towards signal"

This is a better implementation of the same goal. The last commit caused trains to overrun the IP sometimes. Haven't noticed so far with this approach

advtrains_interlocking/lzb.lua

@@ -28,12 +28,12 @@ local il = advtrains.interlocking
 local BRAKE_SPACE = 10
 local AWARE_ZONE  = 50
 
-local ADD_STAND  =  2
-local ADD_SLOW   =  1
+local ADD_STAND  =  2.5
+local ADD_SLOW   =  1.5
 local ADD_FAST   =  7
 local ZONE_ROLL  =  2
 local ZONE_HOLD  =  5 -- added on top of ZONE_ROLL
-local ZONE_VSLOW =  2 -- When speed is <2, still allow accelerating
+local ZONE_VSLOW =  3 -- When speed is <2, still allow accelerating
 
 local SHUNT_SPEED_MAX = 4
 
@@ -176,26 +176,18 @@ local function apply_control(id, train)
 				--train.debug = train.debug .. "BRAKE!!!"
 				return
 			end
-			if v1==0 and v0<2 then
-				i = advtrains.path_get_index_by_offset(train, i, -ZONE_VSLOW)
-				if i <= train.index then
-					-- roll control
-					train.ctrl.lzb = 2
-					return
-				end
-			else
-				i = advtrains.path_get_index_by_offset(train, i, -ZONE_ROLL)
-				if i <= train.index then
-					-- roll control
-					train.ctrl.lzb = 2
-					return
-				end
-				i = advtrains.path_get_index_by_offset(train, i, -ZONE_HOLD)
-				if i <= train.index then
-					-- hold speed
-					train.ctrl.lzb = 3
-					return
-				end
+			
+			i = advtrains.path_get_index_by_offset(train, i, -ZONE_ROLL)
+			if i <= train.index and v0>1 then
+				-- roll control
+				train.ctrl.lzb = 2
+				return
+			end
+			i = advtrains.path_get_index_by_offset(train, i, -ZONE_HOLD)
+			if i <= train.index and v0>1 then
+				-- hold speed
+				train.ctrl.lzb = 3
+				return
 			end
 		end
 	end

advtrains_interlocking/routesetting.lua

@@ -282,6 +282,9 @@ function ilrs.update_route(sigd, tcbs, newrte, cancel)
 		tcbs.route_rsn = nil
 	end
 	if newrte or tcbs.routeset then
+		if tcbs.route_committed then
+			return
+		end
 		if newrte then tcbs.routeset = newrte end
 		--atdebug("Setting:",tcbs.routeset)
 		local succ, rsn, cbts, cblk = ilrs.set_route(sigd, tcbs.routes[tcbs.routeset])