1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
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 phs,_ in pairs(ndb_nodes) do
local pos=minetest.get_position_from_hash(phs)
if not itm_cache[pos.x] then
itm_cache[pos.x]={}
end
itm_cache[pos.x][pos.z]=pos.y
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
minetest.register_globalstep(function(dtime)
timer=timer-math.min(dtime, 0.1)
if timer<=0 then
local t1=os.clock()
local any=false
for pname,d in pairs(itm_pdata) do
minetest.show_formspec(pname, "itrainmap", create_map_form(d))
any=true
end
if any then
minetest.log("action", "itm "..math.floor((os.clock()-t1)*1000).."ms")
end
timer=2
end
end)
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname=="itrainmap" and fields.quit then
minetest.log("action", "itm form quit")
itm_pdata[player:get_player_name()]=nil
end
end)
--automatically run itm_cache_ndb
minetest.after(2, cache_ndb)
|
