78 lines
2.0 KiB
Lua
78 lines
2.0 KiB
Lua
local passive_only = false
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spawnlite = {}
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spawnlite.passive = {{name = "boats:boat",size = {x=2,y=1,z=2}}}
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spawnlite.agressive = {{name = "boats:boat",size = {x=1,y=1,z=1}}}
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local function is_space(pos,size)
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local x,y,z = 1,0,0
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if size.x*size.y*size.z == 1 then
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return true
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end
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for i=2,size.x*size.y*size.z do
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if x > size.x then
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x = 0
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y = y + 1
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end
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if y > size.y then
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y = 0
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z = z + 1
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end
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if minetest.get_node({x=pos.x+x,y=pos.y+y,z=pos.z+z}).name ~= "air" then
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return false
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end
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x = x + 1
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end
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--[[
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local _, no_air = minetest.find_nodes_in_area(pos,{x=pos.x+size.x-1,y=pos.y+size.y-1,z=pos.z+size.z-1},{"air"})
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if no_air ~= size.x*size.y*size.z then
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return false
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else
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return true
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end
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--]]
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return true
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end
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--Area variables
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local width = 20
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local half_width = width/2
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local height = 160
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local half_height = height/2
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--Timing variables
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local timer = 0
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minetest.register_globalstep(function(dtime)
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timer = timer + dtime
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if timer < 1 then
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return
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end
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timer = 0
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local players = minetest.get_connected_players()
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local rand_x = math.random(0,width-1) - half_width
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local rand_z = math.random(0,width-1) - half_width
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for i=1,#players do
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local pos = players[i]:getpos()
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local nodes = minetest.find_nodes_in_area_under_air({x=pos.x+rand_x,y=pos.y-half_height,z=pos.z+rand_z}
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,{x=pos.x+rand_x,y=pos.y+half_height,z=pos.z+rand_z},{"group:cracky","group:crumbly","group:snappy"})
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for i=1,#nodes do
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local lightlevel = minetest.get_node_light({x=pos.x+rand_x,y=nodes[i].y+1,z=pos.z+rand_z})
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local mob = nil
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if lightlevel < 8 then
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if passive_only then
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break
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end
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mob = spawnlite.agressive[math.random(1,#spawnlite.agressive)]
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else
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if minetest.get_node(nodes[i]).name ~= "default:sand" then
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break
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end
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mob = spawnlite.passive[math.random(1,#spawnlite.passive)]
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end
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if is_space({x=pos.x+rand_x,y=nodes[i].y+1,z=pos.z+rand_z},mob.size) then
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minetest.add_entity({x=pos.x+rand_x,y=nodes[i].y+1,z=pos.z+rand_z},mob.name)
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end
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end
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end
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end)
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