diff options
Diffstat (limited to 'tracks.lua')
| -rw-r--r-- | tracks.lua | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/tracks.lua b/tracks.lua new file mode 100644 index 0000000..b164dd5 --- /dev/null +++ b/tracks.lua @@ -0,0 +1,152 @@ +--advtrains by orwell96, see readme.txt
+
+--[[TracksDefinition
+nodename_prefix
+texture_prefix
+description
+straight={}
+straight45={}
+curve={}
+curve45={}
+lswitchst={}
+lswitchst45={}
+rswitchst={}
+rswitchst45={}
+lswitchcr={}
+lswitchcr45={}
+rswitchcr={}
+rswitchcr45={}
+vert1={
+ --you'll probably want to override mesh here
+}
+vert2={
+ --you'll probably want to override mesh here
+}
+]]--
+advtrains.all_tracktypes={}
+
+function advtrains.register_tracks(tracktype, def)
+ local function make_switchfunc(suffix_target)
+ 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})
+ end
+ end
+ local function make_overdef(img_suffix, conn1, conn2, switchfunc)
+ return {
+ tiles = {def.texture_prefix.."_"..img_suffix..".png"},
+ inventory_image = def.texture_prefix.."_"..img_suffix..".png",
+ wield_image = def.texture_prefix.."_"..img_suffix..".png",
+ connect1=conn1,
+ connect2=conn2,
+ on_rightclick=switchfunc,
+ }
+ end
+ local common_def={
+ description = def.description,
+ drawtype = "mesh",
+ mesh = "trackplane.b3d",
+ paramtype="light",
+ paramtype2="facedir",
+ walkable = false,
+ selection_box = {
+ type = "fixed",
+ fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+ },
+ groups = {
+ attached_node=1,
+ ["advtrains_track_"..tracktype]=1,
+ dig_immediate=2,
+ not_in_creative_inventory=1,
+ },
+ rely1=0,
+ rely2=0,
+ railheight=0,
+ drop="advtrains:placetrack_"..tracktype,
+ --on_rightclick=function(pos, node, clicker)
+ -- minetest.set_node(pos, {name=node.name, param2=(node.param2+1)%4})
+ --end
+ can_dig=function(pos)
+ return not advtrains.is_train_at_pos(pos)
+ end,
+ after_dig_node=function()
+ advtrains.invalidate_all_paths()
+ end
+ }
+ minetest.register_node(def.nodename_prefix.."_st", advtrains.merge_tables(common_def, make_overdef("st", 0, 4), def.straight or {}))
+ minetest.register_node(def.nodename_prefix.."_st_45", advtrains.merge_tables(common_def, make_overdef("st_45", 1, 5), def.straight45 or {}))
+
+ minetest.register_node(def.nodename_prefix.."_cr", advtrains.merge_tables(common_def, make_overdef("cr", 0, 3), def.curve or {}))
+ minetest.register_node(def.nodename_prefix.."_cr_45", advtrains.merge_tables(common_def, make_overdef("cr_45", 1, 4), def.curve45 or {}))
+
+ advtrains.trackplacer_register(def.nodename_prefix.."_st", 0, 4)
+ advtrains.trackplacer_register(def.nodename_prefix.."_st_45", 1, 5)
+ advtrains.trackplacer_register(def.nodename_prefix.."_cr", 0, 3)
+ advtrains.trackplacer_register(def.nodename_prefix.."_cr_45", 1, 4)
+
+
+ minetest.register_node(def.nodename_prefix.."_swl_st", advtrains.merge_tables(common_def, make_overdef("swl_st", 0, 4, make_switchfunc("swl_cr")), def.lswitchst or {}))
+ minetest.register_node(def.nodename_prefix.."_swl_st_45", advtrains.merge_tables(common_def, make_overdef("swl_st_45", 1, 5, make_switchfunc("swl_cr_45")), def.lswitchst45 or {}))
+ minetest.register_node(def.nodename_prefix.."_swl_cr", advtrains.merge_tables(common_def, make_overdef("swl_cr", 0, 3, make_switchfunc("swl_st")), def.lswitchcr or {}))
+ minetest.register_node(def.nodename_prefix.."_swl_cr_45", advtrains.merge_tables(common_def, make_overdef("swl_cr_45", 1, 4, make_switchfunc("swl_st_45")), def.lswitchcr45 or {}))
+
+ minetest.register_node(def.nodename_prefix.."_swr_st", advtrains.merge_tables(common_def, make_overdef("swr_st", 0, 4, make_switchfunc("swr_cr")), def.rswitchst or {}))
+ minetest.register_node(def.nodename_prefix.."_swr_st_45", advtrains.merge_tables(common_def, make_overdef("swr_st_45", 1, 5, make_switchfunc("swr_cr_45")), def.rswitchst45 or {}))
+ minetest.register_node(def.nodename_prefix.."_swr_cr", advtrains.merge_tables(common_def, make_overdef("swr_cr", 0, 5, make_switchfunc("swr_st")), def.rswitchcr or {}))
+ minetest.register_node(def.nodename_prefix.."_swr_cr_45", advtrains.merge_tables(common_def, make_overdef("swr_cr_45", 1, 6, make_switchfunc("swr_st_45")), def.rswitchcr45 or {}))
+
+ minetest.register_node(def.nodename_prefix.."_vert1", advtrains.merge_tables(common_def, make_overdef("vert1", 0, 4), {
+ mesh = "trackvertical1.b3d",
+ rely1=0,
+ rely2=0.5,
+ railheight=0.25,
+ description = def.description.." (vertical track lower node)",
+ }, def.vert1 or {}))
+ minetest.register_node(def.nodename_prefix.."_vert2", advtrains.merge_tables(common_def, make_overdef("vert2", 0, 4), {
+ mesh = "trackvertical2.b3d",
+ rely1=0.5,
+ rely2=1,
+ railheight=0.75,
+ description = def.description.." (vertical track lower node)",
+ },def.vert2 or {}))
+
+ advtrains.register_track_placer(def.nodename_prefix, def.texture_prefix, def.description)
+ table.insert(advtrains.all_tracktypes, tracktype)
+end
+
+advtrains.register_tracks("regular", {
+ nodename_prefix="advtrains:track",
+ texture_prefix="track",
+ description="Regular Train Track",
+})
+
+function advtrains.is_track_and_drives_on(nodename, drives_on)
+ if not minetest.registered_nodes[nodename] then
+ return false
+ end
+ local nodedef=minetest.registered_nodes[nodename]
+ for k,v in ipairs(drives_on) do
+ if nodedef.groups["advtrains_track_"..v] then
+ return true
+ end
+ end
+ return false
+end
+
+function advtrains.get_track_connections(name, param2)
+ local nodedef=minetest.registered_nodes[name]
+ if not nodedef then print("[advtrains] get_track_connections couldn't find nodedef for nodename "..(name or "nil")) return 0,4 end
+ local noderot=param2
+ if not param2 then noderot=0 end
+ if noderot > 3 then print("[advtrains] get_track_connections: rail has invaild param2 of "..noderot) noderot=0 end
+
+ return (nodedef.connect1 + 2 * noderot)%8, (nodedef.connect2 + 2 * noderot)%8, nodedef.rely1 or 0, nodedef.rely2 or 0, nodedef.railheight or 0
+end
+
+
+
+
+
+
+
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