diff options
Diffstat (limited to 'advtrains_itrainmap')
-rw-r--r-- | advtrains_itrainmap/depends.txt | 1 | ||||
-rw-r--r-- | advtrains_itrainmap/init.lua | 149 | ||||
-rw-r--r-- | advtrains_itrainmap/textures/itm_example.png | bin | 0 -> 154460 bytes |
3 files changed, 150 insertions, 0 deletions
diff --git a/advtrains_itrainmap/depends.txt b/advtrains_itrainmap/depends.txt new file mode 100644 index 0000000..6f00bf6 --- /dev/null +++ b/advtrains_itrainmap/depends.txt @@ -0,0 +1 @@ +advtrains
\ No newline at end of file diff --git a/advtrains_itrainmap/init.lua b/advtrains_itrainmap/init.lua new file mode 100644 index 0000000..756f1da --- /dev/null +++ b/advtrains_itrainmap/init.lua @@ -0,0 +1,149 @@ + + +local map_def={ + example = { + p1x=168, + p1z=530, + p2x=780, + p2z=1016, + background="itm_example.png", + }, +} + +local itm_cache={} +local itm_pdata={} +local itm_conf_mindia=0.1 + +minetest.register_privilege("itm", { description = "Allows to display train map", give_to_singleplayer = true, default = false }) + +local function create_map_form_with_bg(d) + local minx, minz, maxx, maxz = math.min(d.p1x, d.p2x), math.min(d.p1z, d.p2z), math.max(d.p1x, d.p2x), math.max(d.p1z, d.p2z) + local form_x, form_z=10,10 + local edge_x, edge_z = form_x/(maxx-minx), form_z/(maxz-minz) + local len_x, len_z=math.max(edge_x, itm_conf_mindia), math.max(edge_z, itm_conf_mindia) + local form="size["..(form_x+edge_x)..","..(form_z+edge_z).."] background[0,0;0,0;"..d.background..";true] " + local lbl={} + + for pts, tid in pairs(advtrains.detector.on_node) do + local pos=minetest.string_to_pos(pts) + form=form.."box["..(edge_x*(pos.x-minx))..","..(form_z-(edge_z*(pos.z-minz)))..";"..len_x..","..len_z..";red]" + lbl[sid(tid)]=pos + end + + for t_id, xz in pairs(lbl) do + form=form.."label["..(edge_x*(xz.x-minx))..","..(form_x-(edge_z*(xz.z-minz)))..";"..t_id.."]" + end + return form +end + +local function create_map_form(d) + if d.background then + return create_map_form_with_bg(d) + end + + local minx, minz, maxx, maxz = math.min(d.p1x, d.p2x), math.min(d.p1z, d.p2z), math.max(d.p1x, d.p2x), math.max(d.p1z, d.p2z) + local form_x, form_z=10,10 + local edge_x, edge_z = form_x/(maxx-minx), form_z/(maxz-minz) + local len_x, len_z=math.max(edge_x, itm_conf_mindia), math.max(edge_z, itm_conf_mindia) + local form="size["..(form_x+edge_x)..","..(form_z+edge_z).."]" + local lbl={} + + for x,itx in pairs(itm_cache) do + if x>=minx and x<=maxx then + for z,y in pairs(itx) do + if z>=minz and z<=maxz then + local adn=advtrains.detector.on_node[minetest.pos_to_string({x=x, y=y, z=z})] + local color="gray" + if adn then + color="red" + lbl[sid(adn)]={x=x, z=z} + end + form=form.."box["..(edge_x*(x-minx))..","..(form_z-(edge_z*(z-minz)))..";"..len_x..","..len_z..";"..color.."]" + end + end + end + end + for t_id, xz in pairs(lbl) do + form=form.."label["..(edge_x*(xz.x-minx))..","..(form_x-(edge_z*(xz.z-minz)))..";"..t_id.."]" + end + return form +end + +local function cache_ndb() + itm_cache={} + local ndb_nodes=advtrains.ndb.get_nodes() + for y, xzt in pairs(ndb_nodes) do + for x, zt in pairs(xzt) do + for z, _ in pairs(zt) do + if not itm_cache[x] then + itm_cache[x]={} + end + itm_cache[x][z]=y + end + end + end +end + +minetest.register_chatcommand("itm", { + params="[x1 z1 x2 z2] or [mdef]", + description="Display advtrains train map of given area.\nFirst form:[x1 z1 x2 z2] - specify area directly.\nSecond form:[mdef] - Use a predefined map background(see init.lua)\nThird form: No parameters - use WorldEdit position markers.", + privs={itm=true}, + func = function(name, param) + local mdef=string.match(param, "^(%S+)$") + if mdef then + local d=map_def[mdef] + if not d then + return false, "Map definiton not found: "..mdef + end + itm_pdata[name]=map_def[mdef] + minetest.show_formspec(name, "itrainmap", create_map_form(d)) + return true, "Showing train map: "..mdef + end + local x1, z1, x2, z2=string.match(param, "^(%S+) (%S+) (%S+) (%S+)$") + if not (x1 and z1 and x2 and z2) then + if worldedit then + local wep1, wep2=worldedit.pos1[name], worldedit.pos2[name] + if wep1 and wep2 then + x1, z1, x2, z2=wep1.x, wep1.z, wep2.x, wep2.z + end + end + end + if not (x1 and z1 and x2 and z2) then + return false, "Invalid parameters and no WE positions set" + end + local d={p1x=x1, p1z=z1, p2x=x2, p2z=z2} + itm_pdata[name]=d + minetest.show_formspec(name, "itrainmap", create_map_form(d)) + return true, "Showing ("..x1..","..z1..")-("..x2..","..z2..")" + end, +}) +minetest.register_chatcommand("itm_cache_ndb", { + params="", + description="Cache advtrains node database again. Run when tracks changed.", + privs={itm=true}, + func = function(name, param) + cache_ndb() + return true, "Done caching node database." + end, +}) + +local timer=0 +function advtrains_itm_mainloop(dtime) + timer=timer-math.min(dtime, 0.1) + if timer<=0 then + for pname,d in pairs(itm_pdata) do + minetest.show_formspec(pname, "itrainmap", create_map_form(d)) + end + timer=2 + end +end +minetest.register_on_player_receive_fields(function(player, formname, fields) + if formname=="itrainmap" and fields.quit then + itm_pdata[player:get_player_name()]=nil + end +end) + +function advtrains_itm_init() + --automatically run itm_cache_ndb + minetest.after(2, cache_ndb) +end diff --git a/advtrains_itrainmap/textures/itm_example.png b/advtrains_itrainmap/textures/itm_example.png Binary files differnew file mode 100644 index 0000000..caf084a --- /dev/null +++ b/advtrains_itrainmap/textures/itm_example.png |