forked from mtcontrib/nether-pack
115 lines
2.8 KiB
Lua
115 lines
2.8 KiB
Lua
local function table_contains(t, v)
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for _,i in pairs(t) do
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if v == i then
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return true
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end
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end
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return false
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end
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local teleportball_player
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local function throw_pearl(item, player)
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local playerpos = player:getpos()
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local obj = minetest.add_entity({x=playerpos.x,y=playerpos.y+1.625,z=playerpos.z}, "nether:pearl_entity")
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local dir = player:get_look_dir()
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obj:setvelocity({x=dir.x*30, y=dir.y*30, z=dir.z*30})
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obj:setacceleration({x=dir.x*-3, y=-dir.y^8*80-10, z=dir.z*-3})
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if not minetest.setting_getbool("creative_mode") then
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item:take_item()
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end
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teleportball_player = player
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return item
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end
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local ENTITY = {
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timer=0,
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collisionbox = {0,0,0,0,0,0}, --not pointable
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physical = false, -- Collides with things
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textures = {"nether_pearl.png"},
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lastpos={},
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player = "",
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}
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local allowed_nodes = {"air", "default:water_source"}
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local function teleport_player(pos, player)
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local nd2 = minetest.get_node(pos).name
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pos.y = pos.y+1
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local nd3 = minetest.get_node(pos).name
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if table_contains(allowed_nodes, nd2)
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and table_contains(allowed_nodes, nd3) then
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pos.y = pos.y-1.4
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player:moveto(pos)
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pos.y = pos.y-0.6
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return true
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end
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return false
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end
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ENTITY.on_step = function(self, dtime)
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self.timer=self.timer+dtime
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--[[ local delay = self.delay
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if delay < 0.1 then
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self.delay = delay+dtime
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return
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end
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self.delay = 0]]
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local pos = self.object:getpos()
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local lastpos = self.lastpos
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if lastpos.x
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and vector.equals(vector.round(lastpos), vector.round(pos)) then
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return
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end
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local player = self.player
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if not player
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or player == "" then
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self.player = teleportball_player
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player = teleportball_player
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end
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if not player then
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self.object:remove()
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return
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end
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if lastpos.x then --If there is no lastpos for some reason.
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local free, p = minetest.line_of_sight(lastpos, pos)
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if not free then
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local nd1 = minetest.get_node(p).name
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if not table_contains(allowed_nodes, nd1)
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and nd1 ~= "ignore" then
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self.object:remove()
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minetest.after(0, function(p) --minetest.after us used that the sound is played after the teleportation
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minetest.sound_play("nether_pearl", {pos=p, max_hear_distance=10})
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end, p)
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p.y = p.y+1
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if teleport_player(p, player) then
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return
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end
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p.y = p.y-2
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for i = -1,1,2 do
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for _,j in pairs({{i, 0}, {0, i}}) do
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if teleport_player({x=p.x+j[1], y=p.y, z=p.z+j[2]}, player) then
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return
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end
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end
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end
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for i = -1,1,2 do
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for j = -1,1,2 do
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if teleport_player({x=p.x+j, y=p.y, z=p.z+i}, player) then
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return
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end
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end
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end
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end
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end
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end
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if self.timer > 20 then
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self.object:remove()
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return
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end
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self.lastpos = vector.new(pos)
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end
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minetest.register_entity("nether:pearl_entity", ENTITY)
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minetest.override_item("nether:pearl", {on_use = throw_pearl})
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