add mesecon support for switches and signals

1 files changed, 23 insertions, 6 deletions

diff --git a/tracks.lua b/tracks.lua
index 29f251d..338f4bb 100644
--- a/tracks.lua
+++ b/tracks.lua
@@ -64,6 +64,12 @@ local t_30deg={
 		swrst="swrcr",

 		swrcr="swrst",

 	},

+	switchmc={

+		swlst="on",

+		swlcr="off",

+		swrst="on",

+		swrcr="off",

+	},

 	trackplacer={

 		st=true,

 		cr=true,

@@ -111,6 +117,12 @@ local t_45deg={
 		swrst="swrcr",

 		swrcr="swrst",

 	},

+	switchmc={

+		swlst="on",

+		swlcr="off",

+		swrst="on",

+		swrcr="off",

+	},

 	trackplacer={

 		st=true,

 		cr=true,

@@ -146,15 +158,19 @@ local t_45deg={
 	common={} change something on common rail appearance

 }]]

 function advtrains.register_tracks(tracktype, def, preset)

-	local function make_switchfunc(suffix_target)

+	local function make_switchfunc(suffix_target, mesecon_state)

 		return function(pos, node)

 			if advtrains.is_train_at_pos(pos) then return end

 			advtrains.invalidate_all_paths()

 			minetest.set_node(pos, {name=def.nodename_prefix.."_"..suffix_target, param2=node.param2})

 			advtrains.reset_trackdb_position(pos)

-		end

+		end, {effector = {

+			["action_"..mesecon_state] = function (pos, node)

+				minetest.swap_node(pos, {name=def.nodename_prefix.."_"..suffix_target, param2=node.param2})

+			end

+		}}

 	end

-	local function make_overdef(suffix, rotation, conns, switchfunc, in_creative_inv)

+	local function make_overdef(suffix, rotation, conns, switchfunc, mesecontbl, in_creative_inv)

 		local img_suffix=suffix..rotation

 		return {

 			mesh = def.shared_model or (def.models_prefix.."_"..img_suffix..def.models_suffix),

@@ -175,6 +191,7 @@ function advtrains.register_tracks(tracktype, def, preset)
 				not_in_creative_inventory=(not in_creative_inv and 1 or nil),

 				not_blocking_trains=1,

 			},

+			mesecons=mesecontbl,

 			}

 	end

 	local function cycle_conns(conns, rotid)

@@ -219,16 +236,16 @@ function advtrains.register_tracks(tracktype, def, preset)
 	for suffix, conns in pairs(preset.variant) do

 		for rotid, rotation in ipairs(preset.rotation) do

 			if not def.formats[suffix] or def.formats[suffix][rotid] then

-				local switchfunc

+				local switchfunc, mesecontbl

 				if preset.switch[suffix] then

-					switchfunc=make_switchfunc(preset.switch[suffix]..rotation)

+					switchfunc, mesecontbl=make_switchfunc(preset.switch[suffix]..rotation, preset.switchmc[suffix])

 				end

 				minetest.register_node(def.nodename_prefix.."_"..suffix..rotation, advtrains.merge_tables(

 					common_def, 

 					make_overdef(

 						suffix, rotation,

 						cycle_conns(conns, rotid),

-						switchfunc, preset.increativeinv[suffix]

+						switchfunc, mesecontbl, preset.increativeinv[suffix]

 						)

 					)

 				)