mirror of
				https://github.com/luanti-org/luanti.git
				synced 2025-11-04 01:05:48 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			399 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			399 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
--
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-- Experimental things
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--
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-- An example furnace-thing implemented in Lua
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minetest.register_node("luafurnace", {
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	tile_images = {"lava.png", "furnace_side.png", "furnace_side.png",
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		"furnace_side.png", "furnace_side.png", "furnace_front.png"},
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	--inventory_image = "furnace_front.png",
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	inventory_image = inventorycube("furnace_front.png"),
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	paramtype = "facedir_simple",
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	metadata_name = "generic",
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	material = digprop_stonelike(3.0),
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})
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minetest.register_on_placenode(function(pos, newnode, placer)
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	if newnode.name == "luafurnace" then
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		print("get_meta");
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		local meta = minetest.env:get_meta(pos)
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		print("inventory_set_list");
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		meta:inventory_set_list("fuel", {""})
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		print("inventory_set_list");
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		meta:inventory_set_list("src", {""})
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		print("inventory_set_list");
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		meta:inventory_set_list("dst", {"","","",""})
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		print("set_inventory_draw_spec");
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		meta:set_inventory_draw_spec(
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			"invsize[8,9;]"
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			.."list[current_name;fuel;2,3;1,1;]"
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			.."list[current_name;src;2,1;1,1;]"
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			.."list[current_name;dst;5,1;2,2;]"
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			.."list[current_player;main;0,5;8,4;]"
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		)
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		local total_cooked = 0;
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		print("set_string")
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		meta:set_string("total_cooked", total_cooked)
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		print("set_infotext");
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		meta:set_infotext("Lua Furnace: total cooked: "..total_cooked)
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	end
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end)
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minetest.register_abm({
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	nodenames = {"luafurnace"},
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	interval = 1.0,
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	chance = 1,
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	action = function(pos, node, active_object_count, active_object_count_wider)
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		local meta = minetest.env:get_meta(pos)
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		local fuellist = meta:inventory_get_list("fuel")
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		local srclist = meta:inventory_get_list("src")
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		local dstlist = meta:inventory_get_list("dst")
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		if fuellist == nil or srclist == nil or dstlist == nil then
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			return
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		end
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		_, srcitem = stackstring_take_item(srclist[1])
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		_, fuelitem = stackstring_take_item(fuellist[1])
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		if not srcitem or not fuelitem then return end
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		if fuelitem.type == "NodeItem" then
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			local prop = minetest.registered_nodes[fuelitem.name]
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			if prop == nil then return end
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			if prop.furnace_burntime < 0 then return end
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		else
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			return
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		end
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		local resultstack = nil
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		if srcitem.type == "NodeItem" then
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			local prop = minetest.registered_nodes[srcitem.name]
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			if prop == nil then return end
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			if prop.cookresult_item == "" then return end
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			resultstack = prop.cookresult_item
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		else
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			return
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		end
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		if resultstack == nil then
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			return
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		end
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		dstlist[1], success = stackstring_put_stackstring(dstlist[1], resultstack)
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		if not success then
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			return
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		end
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		fuellist[1], _ = stackstring_take_item(fuellist[1])
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		srclist[1], _ = stackstring_take_item(srclist[1])
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		meta:inventory_set_list("fuel", fuellist)
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		meta:inventory_set_list("src", srclist)
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		meta:inventory_set_list("dst", dstlist)
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		local total_cooked = meta:get_string("total_cooked")
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		total_cooked = tonumber(total_cooked) + 1
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		meta:set_string("total_cooked", total_cooked)
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		meta:set_infotext("Lua Furnace: total cooked: "..total_cooked)
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	end,
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})
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minetest.register_craft({
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	output = 'NodeItem "luafurnace" 1',
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	recipe = {
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		{'NodeItem "cobble"', 'NodeItem "cobble"', 'NodeItem "cobble"'},
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		{'NodeItem "cobble"', 'NodeItem "cobble"', 'NodeItem "cobble"'},
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		{'NodeItem "cobble"', 'NodeItem "cobble"', 'NodeItem "cobble"'},
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	}
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})
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--
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-- Random stuff
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--
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--[[
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minetest.register_tool("horribletool", {
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	image = "lava.png",
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	basetime = 2.0
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	dt_weight = 0.2
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	dt_crackiness = 0.2
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	dt_crumbliness = 0.2
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	dt_cuttability = 0.2
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	basedurability = 50
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	dd_weight = -5
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	dd_crackiness = -5
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	dd_crumbliness = -5
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	dd_cuttability = -5
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})
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--]]
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minetest.register_craft({
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	output = 'NodeItem "somenode" 4',
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	recipe = {
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		{'CraftItem "Stick" 1'},
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	}
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})
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minetest.register_node("somenode", {
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	tile_images = {"lava.png", "mese.png", "stone.png", "grass.png", "cobble.png", "tree_top.png"},
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	inventory_image = "treeprop.png",
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	material = {
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		diggability = "normal",
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		weight = 0,
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		crackiness = 0,
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		crumbliness = 0,
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		cuttability = 0,
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		flammability = 0
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	},
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	metadata_name = "chest",
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})
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--
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-- TNT (not functional)
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--
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minetest.register_craft({
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	output = 'NodeItem "TNT" 4',
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	recipe = {
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		{'NodeItem "wood" 1'},
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		{'CraftItem "lump_of_coal" 1'},
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		{'NodeItem "wood" 1'}
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	}
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})
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minetest.register_node("TNT", {
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	tile_images = {"tnt_top.png", "tnt_bottom.png", "tnt_side.png", "tnt_side.png", "tnt_side.png", "tnt_side.png"},
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	inventory_image = "tnt_side.png",
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	dug_item = '', -- Get nothing
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	material = {
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		diggability = "not",
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	},
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})
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local TNT = {
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	-- Static definition
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	physical = true, -- Collides with things
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	-- weight = 5,
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	collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
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	visual = "cube",
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	textures = {"tnt_top.png","tnt_bottom.png","tnt_side.png","tnt_side.png","tnt_side.png","tnt_side.png"},
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	-- Initial value for our timer
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	timer = 0,
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	-- Number of punches required to defuse
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	health = 1,
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	blinktimer = 0,
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	blinkstatus = true,
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}
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-- Called when a TNT object is created
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function TNT:on_activate(staticdata)
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	print("TNT:on_activate()")
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	self.object:setvelocity({x=0, y=4, z=0})
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	self.object:setacceleration({x=0, y=-10, z=0})
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	self.object:settexturemod("^[brighten")
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end
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-- Called periodically
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function TNT:on_step(dtime)
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	--print("TNT:on_step()")
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	self.timer = self.timer + dtime
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	self.blinktimer = self.blinktimer + dtime
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	if self.blinktimer > 0.5 then
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		self.blinktimer = self.blinktimer - 0.5
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		if self.blinkstatus then
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			self.object:settexturemod("")
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		else
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			self.object:settexturemod("^[brighten")
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		end
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		self.blinkstatus = not self.blinkstatus
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	end
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end
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-- Called when object is punched
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function TNT:on_punch(hitter)
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	print("TNT:on_punch()")
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	self.health = self.health - 1
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	if self.health <= 0 then
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		self.object:remove()
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		hitter:add_to_inventory("NodeItem TNT 1")
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		hitter:set_hp(hitter:get_hp() - 1)
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	end
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end
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-- Called when object is right-clicked
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function TNT:on_rightclick(clicker)
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	--pos = self.object:getpos()
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	--pos = {x=pos.x, y=pos.y+0.1, z=pos.z}
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	--self.object:moveto(pos, false)
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end
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print("TNT dump: "..dump(TNT))
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print("Registering TNT");
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minetest.register_entity("TNT", TNT)
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--
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-- A test entity for testing animated and yaw-modulated sprites
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--
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minetest.register_entity("testentity", {
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	-- Static definition
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	physical = true, -- Collides with things
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	-- weight = 5,
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	collisionbox = {-0.7,-1.35,-0.7, 0.7,1.0,0.7},
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	--collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
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	visual = "sprite",
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	visual_size = {x=2, y=3},
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	textures = {"dungeon_master.png^[makealpha:128,0,0^[makealpha:128,128,0"},
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	spritediv = {x=6, y=5},
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	initial_sprite_basepos = {x=0, y=0},
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	on_activate = function(self, staticdata)
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		print("testentity.on_activate")
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		self.object:setsprite({x=0,y=0}, 1, 0, true)
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		--self.object:setsprite({x=0,y=0}, 4, 0.3, true)
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		-- Set gravity
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		self.object:setacceleration({x=0, y=-10, z=0})
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		-- Jump a bit upwards
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		self.object:setvelocity({x=0, y=10, z=0})
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	end,
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	on_punch = function(self, hitter)
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		self.object:remove()
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		hitter:add_to_inventory('CraftItem testobject1 1')
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	end,
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})
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--
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-- More random stuff
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--
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minetest.register_on_respawnplayer(function(player)
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	print("on_respawnplayer")
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	-- player:setpos({x=0, y=30, z=0})
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	-- return true
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end)
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minetest.register_on_generated(function(minp, maxp)
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	--print("on_generated: minp="..dump(minp).." maxp="..dump(maxp))
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	--cp = {x=(minp.x+maxp.x)/2, y=(minp.y+maxp.y)/2, z=(minp.z+maxp.z)/2}
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	--minetest.env:add_node(cp, {name="sand"})
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end)
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-- Example setting get
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print("setting max_users = " .. dump(minetest.setting_get("max_users")))
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print("setting asdf = " .. dump(minetest.setting_get("asdf")))
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minetest.register_on_chat_message(function(name, message)
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	--[[print("on_chat_message: name="..dump(name).." message="..dump(message))
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	local cmd = "/testcommand"
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	if message:sub(0, #cmd) == cmd then
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		print(cmd.." invoked")
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		return true
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	end
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	local cmd = "/help"
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	if message:sub(0, #cmd) == cmd then
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		print("script-overridden help command")
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		minetest.chat_send_all("script-overridden help command")
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		return true
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	end]]
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end)
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-- Grow papyrus on TNT every 10 seconds
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--[[minetest.register_abm({
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	nodenames = {"TNT"},
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	interval = 10.0,
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	chance = 1,
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	action = function(pos, node, active_object_count, active_object_count_wider)
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		print("TNT ABM action")
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		pos.y = pos.y + 1
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		minetest.env:add_node(pos, {name="papyrus"})
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	end,
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})]]
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-- Replace texts of alls signs with "foo" every 10 seconds
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--[[minetest.register_abm({
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	nodenames = {"sign_wall"},
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	interval = 10.0,
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	chance = 1,
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	action = function(pos, node, active_object_count, active_object_count_wider)
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		print("ABM: Sign text changed")
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		local meta = minetest.env:get_meta(pos)
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		meta:set_text("foo")
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	end,
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})]]
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--[[local ncpos = nil
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local ncq = 1
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local ncstuff = {
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    {2, 1, 0, 3}, {3, 0, 1, 2}, {4, -1, 0, 1}, {5, -1, 0, 1}, {6, 0, -1, 0},
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    {7, 0, -1, 0}, {8, 1, 0, 3}, {9, 1, 0, 3}, {10, 1, 0, 3}, {11, 0, 1, 2},
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    {12, 0, 1, 2}, {13, 0, 1, 2}, {14, -1, 0, 1}, {15, -1, 0, 1}, {16, -1, 0, 1},
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    {17, -1, 0, 1}, {18, 0, -1, 0}, {19, 0, -1, 0}, {20, 0, -1, 0}, {21, 0, -1, 0},
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    {22, 1, 0, 3}, {23, 1, 0, 3}, {24, 1, 0, 3}, {25, 1, 0, 3}, {10, 0, 1, 2}
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}
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local ncold = {}
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local nctime = nil
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minetest.register_abm({
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    nodenames = {"dirt_with_grass"},
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    interval = 100000.0,
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    chance = 1,
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    action = function(pos, node, active_object_count, active_object_count_wider)
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        if ncpos ~= nil then
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            return
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        end
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        if pos.x % 16 ~= 8 or pos.z % 16 ~= 8 then
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            return
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        end
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        pos.y = pos.y + 1
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        n = minetest.env:get_node(pos)
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        print(dump(n))
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        if n.name ~= "air" then
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            return
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        end
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        pos.y = pos.y + 2
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        ncpos = pos
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        nctime = os.clock()
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        minetest.env:add_node(ncpos, {name="nyancat"})
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    end
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})
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minetest.register_abm({
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    nodenames = {"nyancat"},
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    interval = 1.0,
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    chance = 1,
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    action = function(pos, node, active_object_count, active_object_count_wider)
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        if ncpos == nil then
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            return
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        end
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        if pos.x == ncpos.x and pos.y == ncpos.y and pos.z == ncpos.z then
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            clock = os.clock()
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            if clock - nctime < 0.1 then
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                return
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            end
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            nctime = clock
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            s0 = ncstuff[ncq]
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            ncq = s0[1]
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            s1 = ncstuff[ncq]
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            p0 = pos
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            p1 = {x = p0.x + s0[2], y = p0.y, z = p0.z + s0[3]}
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            p2 = {x = p1.x + s1[2], y = p1.y, z = p1.z + s1[3]}
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            table.insert(ncold, 1, p0)
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            while #ncold >= 10 do
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                minetest.env:add_node(ncold[#ncold], {name="air"})
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                table.remove(ncold, #ncold)
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            end
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            minetest.env:add_node(p0, {name="nyancat_rainbow"})
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            minetest.env:add_node(p1, {name="nyancat", param1=s0[4]})
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            minetest.env:add_node(p2, {name="air"})
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            ncpos = p1
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        end
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    end,
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})--]]
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 |