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
152
153
154
|
--couple.lua
--defines couple entities.
--advtrains:discouple
--set into existing trains to split them when punched.
--they are attached to the wagons.
--[[fields
wagon
wagons keep their couple entity minetest-internal id inside the field discouple_id. if it refers to nowhere, they will spawn a new one if player is near
]]
local print=function(t, ...) minetest.log("action", table.concat({t, ...}, " ")) minetest.chat_send_all(table.concat({t, ...}, " ")) end
minetest.register_entity("advtrains:discouple", {
visual="sprite",
textures = {"advtrains_discouple.png"},
collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
visual_size = {x=1, y=1},
initial_sprite_basepos = {x=0, y=0},
is_discouple=true,
on_activate=function(self, staticdata)
if staticdata=="DISCOUPLE" then
--couple entities have no right to exist further...
self.object:remove()
return
end
self.object:set_armor_groups({immortal=1})
end,
get_staticdata=function() return "DISCOUPLE" end,
on_punch=function(self, player)
--only if player owns at least one wagon next to this
local own=player:get_player_name()
if self.wagon.owner and self.wagon.owner~=own then
local train=advtrains.trains[self.wagon.train_id]
|
