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ExcaliburZero - Lua, pasted on Jun 2:
--
--
-- Green
--
--

minetest.register_entity("neoblocks:rupee_green_en", {
	visual = "sprite",
	visual_size = {x=0.5, y=0.5},
	textures = {"zelda_rupee_green.png"},
	velocity = 0,
	on_step = function(self, dtime)
			local pos = self.object:getpos()
			pos.y = pos.y-1
			for _,player in pairs(minetest.env:get_objects_inside_radius(pos, 1)) do
				if player:is_player() then
					self.hit_player(self, player)
					self.object:remove()
					return
				end
			end
		end,
	hit_player = function(self, player, pos)
		local pos = self.object:getpos()
		player:get_inventory():add_item("main", "neoblocks:rupee_green")
		minetest.env:remove_node(pos)
		end,
})

minetest.register_craftitem("neoblocks:rupee_green", {
	description = "Green Rupee",
	inventory_image = "zelda_rupee_green.png",
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.above then
			minetest.env:add_entity(pointed_thing.above, "neoblocks:rupee_green_en")
			itemstack:take_item()
		end
		return itemstack
	end,

})

minetest.register_craft({
output = '"neoblocks:rupee_green" 1',
recipe = {
{'', 'default:cobblestone', ''},
{'default:cobblestone', 'default:cobblestone', 'default:cobblestone'},
{'', 'default:cobblestone', ''},
}
})

--
--
-- Blue
--
--

minetest.register_entity("neoblocks:rupee_blue_en", {
	visual = "sprite",
	visual_size = {x=0.5, y=0.5},
	textures = {"zelda_rupee_blue.png"},
	velocity = 0,
	on_step = function(self, dtime)
			local pos = self.object:getpos()
			pos.y = pos.y-1
			for _,player in pairs(minetest.env:get_objects_inside_radius(pos, 1)) do
				if player:is_player() then
					self.hit_player(self, player)
					self.object:remove()
					return
				end
			end
		end,
	hit_player = function(self, player, pos)
		local pos = self.object:getpos()
		player:get_inventory():add_item("main", "neoblocks:rupee_blue")
		minetest.env:remove_node(pos)
		end,
})

minetest.register_craftitem("neoblocks:rupee_blue", {
	description = "Blue Rupee",
	inventory_image = "zelda_rupee_blue.png",
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.above then
			minetest.env:add_entity(pointed_thing.above, "neoblocks:rupee_blue_en")
			itemstack:take_item()
		end
		return itemstack
	end,

})

minetest.register_craft({
output = '"neoblocks:rupee_blue" 1',
recipe = {
{'', 'neoblocks:rupee_green', ''},
{'neoblocks:rupee_green', 'neoblocks:rupee_green', 'neoblocks:rupee_green'},
{'', 'neoblocks:rupee_green', ''},
}
})

--
--
-- Red
--
--

minetest.register_entity("neoblocks:rupee_red_en", {
	visual = "sprite",
	visual_size = {x=0.5, y=0.5},
	textures = {"zelda_rupee_red.png"},
	velocity = 0,
	on_step = function(self, dtime)
			local pos = self.object:getpos()
			pos.y = pos.y-1
			for _,player in pairs(minetest.env:get_objects_inside_radius(pos, 1)) do
				if player:is_player() then
					self.hit_player(self, player)
					self.object:remove()
					return
				end
			end
		end,
	hit_player = function(self, player, pos)
		local pos = self.object:getpos()
		player:get_inventory():add_item("main", "neoblocks:rupee_red")
		minetest.env:remove_node(pos)
		end,
})

minetest.register_craftitem("neoblocks:rupee_red", {
	description = "Red Rupee",
	inventory_image = "zelda_rupee_red.png",
	on_place = function(itemstack, placer, pointed_thing)
		if pointed_thing.above then
			minetest.env:add_entity(pointed_thing.above, "neoblocks:rupee_red_en")
			itemstack:take_item()
		end
		return itemstack
	end,

})

minetest.register_craft({
output = '"neoblocks:rupee_red" 1',
recipe = {
{'', 'neoblocks:rupee_blue', ''},
{'neoblocks:rupee_blue', '', 'neoblocks:rupee_blue'},
{'', 'neoblocks:rupee_blue', ''},
}
})


Output:
1
2
3
4
line 7: attempt to index global 'minetest' (a nil value)
stack traceback:
	t.lua:7: in main chunk
	[C]: ?


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