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Link: http://codepad.org/wzZb6Hrt    [ raw code | output | fork ]

ExcaliburZero - Lua, pasted on May 29:
minetest.register_entity("neoblocks:fireball", {
	visual = "sprite",
	visual_size = {x=1, y=1},
	--textures = {{name="mobs_fireball.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.5}}}, FIXME
	textures = {"mobs_fireball.png"},
	velocity = 5,
	hit_player = function(player, self)
		local s = player:getpos()
		local p = player:get_look_dir()
		local vec = {x=s.x-p.x, y=s.y-p.y, z=s.z-p.z}
		player:punch(self.object, 1.0,  {
			full_punch_interval=1.0,
			damage_groups = {fleshy=4},
		}, vec)
		local pos = player:getpos()
		for dx=-1,1 do
			for dy=-1,1 do
				for dz=-1,1 do
					local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
					local n = minetest.env:get_node(pos).name
					if minetest.registered_nodes[n].groups.flammable or math.random(1, 100) <= 30 then
						minetest.env:set_node(p, {name="fire:basic_flame"})
					else
						minetest.env:remove_node(p)
					end
				end
			end
		end
	end,
	hit_node = function(self, pos, node)
		for dx=-1,1 do
			for dy=-2,1 do
				for dz=-1,1 do
					local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
					local n = minetest.env:get_node(pos).name
					if minetest.registered_nodes[n].groups.flammable or math.random(1, 100) <= 30 then
						minetest.env:set_node(p, {name="fire:basic_flame"})
					else
						minetest.env:remove_node(p)
					end
				end
			end
		end
	end
})

minetest.register_craftitem("neoblocks:fireball", {
	description = "Fireball",
	inventory_image = "mobs_fireball.png",
	
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.above then
			minetest.env:add_entity(pointed_thing.above, "neoblocks:fireball")
			itemstack:take_item()
		end
		return itemstack
	end,
})

minetest.register_node("neoblocks:fireballttt", {
tile_images = {"mobs_fireball.png"},
groups={snappy=2,choppy=2,oddly_breakable_by_hand=2},
})

minetest.register_craft({
output = '"neoblocks:fireball" 10',
recipe = {
{'', 'default:torch', ''},
{'', 'default:mese_crystal', ''},
{'', '', ''},
}
})


Output:
1
2
3
4
line 1: attempt to index global 'minetest' (a nil value)
stack traceback:
	t.lua:1: in main chunk
	[C]: ?


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