summaryrefslogtreecommitdiff
path: root/tool.lua
blob: 653ba36b5e161631ad601c27d62685715726d48d (plain)
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

-- protector placement tool (thanks to Shara for code and idea)

minetest.register_craftitem("protector:tool", {
	description = "Protector Placer Tool (stand near protector, face direction and use)",
	inventory_image = "protector_display.png^protector_logo.png",
	stack_max = 1,

	on_use = function(itemstack, user, pointed_thing)

		local name = user:get_player_name()

		-- check for protector near player (2 block radius)
		local pos = user:getpos()
		local pp = minetest.find_nodes_in_area(
			vector.subtract(pos, 2), vector.add(pos, 2),
			{"protector:protect", "protector:protect2"})

		if #pp == 0 then return end -- none found

		pos = pp[1] -- take position of first protector found

		-- get members on protector
		local meta = minetest.get_meta(pos)
		local members = meta:get_string("members") or ""

		-- get direction player is facing
		local dir = minetest.dir_to_facedir( user:get_look_dir() )
		local vec = {x = 0, y = 0, z = 0}
		local gap = (protector.radius * 2) + 1
		local pit =  user:get_look_pitch()

		-- set placement coords
		if pit > 1.2 then
			vec.y = gap -- up
		elseif pit < -1.2 then
			vec.y = -gap -- down
		elseif dir == 0 then
			vec.z = gap -- north
		elseif dir == 1 then
			vec.x = gap -- east
		elseif dir == 2 then
			vec.z = -gap -- south
		elseif dir == 3 then
			vec.x = -gap -- west
		end

		-- new position
		pos.x = pos.x + vec.x
		pos.y = pos.y + vec.y
		pos.z = pos.z + vec.z

		-- does placing a protector overlap existing area
		if not protector.can_dig(protector.radius * 2, pos,
			user:get_player_name(), true, 3) then

			minetest.chat_send_player(name,
				"Overlaps into above players protected area")

			return
		end

		-- does a protector already exist ?
		if #minetest.find_nodes_in_area(
			vector.subtract(pos, 1), vector.add(pos, 1),
			{"protector:protect", "protector:protect2"}) > 0 then

			minetest.chat_send_player(name, "Protector already in place!")
			return
		end

		-- do we have protectors to use ?
		local nod
		local inv = user:get_inventory()

		if not inv:contains_item("main", "protector:protect")
		and not inv:contains_item("main", "protector:protect2") then
			minetest.chat_send_player(name, "No protectors available to place!")
			return
		end

		-- take protector (block first then logo)
		if inv:contains_item("main", "protector:protect") then

			inv:remove_item("main", "protector:protect")
			nod = "protector:protect"

		elseif inv:contains_item("main", "protector:protect2") then

			inv:remove_item("main", "protector:protect2")
			nod = "protector:protect2"
		end

		-- place protector
		minetest.set_node(pos, {name = nod, param2 = 1})

		-- set protector metadata
		local meta = minetest.get_meta(pos)

		meta:set_string("owner", name)
		meta:set_string("infotext", "Protection (owned by " .. name .. ")")

		-- copy members across if holding sneak when using tool
		if user:get_player_control().sneak then
			meta:set_string("members", members)
		else
			meta:set_string("members", "")
		end

		minetest.chat_send_player(name,
				"Protector placed at " .. minetest.pos_to_string(pos))

	end,
})

-- tool recipe
minetest.register_craft({
	output = "protector:tool",
	recipe = {
		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
		{"default:steel_ingot", "protector:protect", "default:steel_ingot"},
		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
	}
})

-- recipes to switch between protectors
minetest.register_craft({
	type = "shapeless",
	output = "protector:protect",
	recipe = {"protector:protect2"}
})

minetest.register_craft({
	type = "shapeless",
	output = "protector:protect2",
	recipe = {"protector:protect"}
})