forked from Mirrorlandia_minetest/mesecons
358 lines
10 KiB
Lua
358 lines
10 KiB
Lua
-- Get mesecon rules of pistons
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local piston_rules =
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{{x = 0, z = 0, y = 1}, -- everything apart from pusher side
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{x = 1, z = 0, y = 1},
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{x = 1, z = 1, y = 1},
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{x = 0, z = 1, y = 1},
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{x =-1, z = 0, y = 1},
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{x =-1, z =-1, y = 1},
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{x = 0, z =-1, y = 1},
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{x = 1, z =-1, y = 1},
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{x =-1, z = 1, y = 1},
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{x = 1, z = 0, y = 0},
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{x = 1, z = 1, y = 0},
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{x = 0, z = 1, y = 0},
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{x =-1, z = 0, y = 0},
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{x =-1, z =-1, y = 0},
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--{x = 0, z =-1, y = 0}, pusher side --> disabled
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{x = 1, z =-1, y = 0},
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{x =-1, z = 1, y = 0},
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{x = 0, z = 0, y =-1},
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{x = 1, z = 0, y =-1},
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{x = 1, z = 1, y =-1},
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{x = 0, z = 1, y =-1},
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{x =-1, z = 0, y =-1},
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{x =-1, z =-1, y =-1},
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{x = 0, z =-1, y =-1},
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{x = 1, z =-1, y =-1},
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{x =-1, z = 1, y =-1}}
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local piston_rotate_rules = function(param2, rules)
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if param2 == 4 then
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return mesecon:rotate_rules_up(mesecon:rotate_rules_left(rules))
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end -- face up
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if param2 == 6 then
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return mesecon:rotate_rules_down(mesecon:rotate_rules_left(rules))
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end -- face up
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rules = mesecon:rotate_rules_down(rules)
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for i = 1, param2 do
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rules = mesecon:rotate_rules_left(rules)
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end
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return rules
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end
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local piston_get_rules = function (node)
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return piston_rotate_rules(node.param2, piston_rules)
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end
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piston_facedir_direction = function (node)
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local rules = piston_rotate_rules(node.param2, {{x = 0, y = 0, z =-1}})
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return rules[1]
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end
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local piston_remove_pusher = function (pos, node)
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pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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dir = piston_facedir_direction(node)
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local pusherpos = mesecon:addPosRule(pos, dir)
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local pushername = minetest.env:get_node(pusherpos).name
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if pushername == pistonspec.pusher then --make sure there actually is a pusher (for compatibility reasons mainly)
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minetest.env:remove_node(pusherpos)
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nodeupdate(pusherpos)
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end
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end
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local piston_on = function (pos, node)
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local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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dir = piston_facedir_direction(node)
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local np = mesecon:addPosRule(pos, dir)
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success, stack = mesecon:mvps_push(np, dir, PISTON_MAXIMUM_PUSH)
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if success then
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minetest.env:add_node(pos, {param2 = node.param2, name = pistonspec.onname})
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minetest.env:add_node(np, {param2 = node.param2, name = pistonspec.pusher})
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mesecon:mvps_process_stack(stack)
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end
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end
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local piston_off = function (pos, node)
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local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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minetest.env:add_node(pos, {param2 = node.param2, name = pistonspec.offname})
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piston_remove_pusher (pos, node)
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if pistonspec.sticky then
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dir = piston_facedir_direction(node)
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pullpos = mesecon:addPosRule(pos, dir)
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stack = mesecon:mvps_pull_single(pullpos, dir)
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mesecon:mvps_process_stack(stack)
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end
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end
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local piston_orientate = function (pos, placer)
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-- not placed by player
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if not placer then return end
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-- placer pitch in degrees
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local pitch = placer:get_look_pitch() * (180 / math.pi)
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local node = minetest.env:get_node(pos)
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if pitch > 55 then --looking upwards --> face down
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minetest.env:set_node(pos, {name = node.name, param2 = 6})
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elseif pitch < -55 then --looking downwards --> face up
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minetest.env:set_node(pos, {name = node.name, param2 = 4})
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end
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end
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--
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--
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-- Node Registration
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--
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--
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local pt = 3/16 -- pusher thickness
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local piston_pusher_box = {
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type = "fixed",
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fixed = {
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{-2/16, -2/16, -.5 + pt, 2/16, 2/16, .5 + pt},
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{-.5 , -.5 , -.5 , .5 , .5 , -.5 + pt},
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}
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}
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local piston_on_box = {
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type = "fixed",
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fixed = {
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{-.5, -.5, -.5 + pt, .5, .5, .5}
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}
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}
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-- Normal (non-sticky) ones:
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local pistonspec_normal = {
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offname = "mesecons_pistons:piston_normal_off",
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onname = "mesecons_pistons:piston_normal_on",
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pusher = "mesecons_pistons:piston_pusher_normal",
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piston_down = "mesecons_pistons:piston_down_normal_off",
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piston_up = "mesecons_pistons:piston_up_normal_off",
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}
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-- offstate
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minetest.register_node("mesecons_pistons:piston_normal_off", {
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description = "Piston",
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tiles = {
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"mesecons_piston_top.png",
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"mesecons_piston_bottom.png",
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"mesecons_piston_left.png",
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"mesecons_piston_right.png",
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"mesecons_piston_back.png",
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"mesecons_piston_pusher_front.png"
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},
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groups = {cracky = 3},
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paramtype2 = "facedir",
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after_place_node = piston_orientate,
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mesecons_piston = pistonspec_normal,
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sounds = default.node_sound_wood_defaults(),
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mesecons = {effector={
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action_on = piston_on,
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rules = piston_get_rules
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}}
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})
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-- onstate
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minetest.register_node("mesecons_pistons:piston_normal_on", {
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drawtype = "nodebox",
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tiles = {
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"mesecons_piston_top.png",
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"mesecons_piston_bottom.png",
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"mesecons_piston_left.png",
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"mesecons_piston_right.png",
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"mesecons_piston_back.png",
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"mesecons_piston_on_front.png"
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},
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inventory_image = "mesecons_piston_top.png",
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wield_image = "mesecons_piston_top.png",
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groups = {cracky = 3, not_in_creative_inventory = 1},
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paramtype = "light",
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paramtype2 = "facedir",
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drop = "mesecons_pistons:piston_normal_off",
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after_dig_node = piston_remove_pusher,
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node_box = piston_on_box,
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selection_box = piston_on_box,
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mesecons_piston = pistonspec_normal,
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sounds = default.node_sound_wood_defaults(),
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mesecons = {effector={
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action_off = piston_off,
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rules = piston_get_rules
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}}
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})
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-- pusher
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minetest.register_node("mesecons_pistons:piston_pusher_normal", {
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drawtype = "nodebox",
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tiles = {
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"mesecons_piston_pusher_top.png",
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"mesecons_piston_pusher_bottom.png",
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"mesecons_piston_pusher_left.png",
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"mesecons_piston_pusher_right.png",
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"mesecons_piston_pusher_back.png",
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"mesecons_piston_pusher_front.png"
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},
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paramtype = "light",
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paramtype2 = "facedir",
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diggable = false,
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corresponding_piston = "mesecons_pistons:piston_normal_on",
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selection_box = piston_pusher_box,
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node_box = piston_pusher_box,
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})
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-- Sticky ones
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local pistonspec_sticky = {
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offname = "mesecons_pistons:piston_sticky_off",
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onname = "mesecons_pistons:piston_sticky_on",
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pusher = "mesecons_pistons:piston_pusher_sticky",
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sticky = true,
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piston_down = "mesecons_pistons:piston_down_sticky_off",
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piston_up = "mesecons_pistons:piston_up_sticky_off",
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}
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-- offstate
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minetest.register_node("mesecons_pistons:piston_sticky_off", {
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description = "Sticky Piston",
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tiles = {
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"mesecons_piston_top.png",
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"mesecons_piston_bottom.png",
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"mesecons_piston_left.png",
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"mesecons_piston_right.png",
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"mesecons_piston_back.png",
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"mesecons_piston_pusher_front_sticky.png"
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},
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groups = {cracky = 3},
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paramtype2 = "facedir",
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after_place_node = piston_orientate,
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mesecons_piston = pistonspec_sticky,
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sounds = default.node_sound_wood_defaults(),
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mesecons = {effector={
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action_on = piston_on,
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rules = piston_get_rules
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}}
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})
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-- onstate
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minetest.register_node("mesecons_pistons:piston_sticky_on", {
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drawtype = "nodebox",
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tiles = {
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"mesecons_piston_top.png",
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"mesecons_piston_bottom.png",
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"mesecons_piston_left.png",
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"mesecons_piston_right.png",
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"mesecons_piston_back.png",
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"mesecons_piston_on_front.png"
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},
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inventory_image = "mesecons_piston_top.png",
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wield_image = "mesecons_piston_top.png",
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groups = {cracky = 3, not_in_creative_inventory = 1},
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paramtype = "light",
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paramtype2 = "facedir",
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drop = "mesecons_pistons:piston_normal_off",
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after_dig_node = piston_remove_pusher,
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node_box = piston_on_box,
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selection_box = piston_on_box,
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mesecons_piston = pistonspec_sticky,
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sounds = default.node_sound_wood_defaults(),
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mesecons = {effector={
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action_off = piston_off,
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rules = piston_get_rules
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}}
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})
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-- pusher
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minetest.register_node("mesecons_pistons:piston_pusher_sticky", {
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drawtype = "nodebox",
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tiles = {
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"mesecons_piston_pusher_top.png",
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"mesecons_piston_pusher_bottom.png",
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"mesecons_piston_pusher_left.png",
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"mesecons_piston_pusher_right.png",
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"mesecons_piston_pusher_back.png",
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"mesecons_piston_pusher_front_sticky.png"
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},
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paramtype = "light",
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paramtype2 = "facedir",
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diggable = false,
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corresponding_piston = "mesecons_pistons:piston_sticky_on",
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selection_box = piston_pusher_box,
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node_box = piston_pusher_box,
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})
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-- Register pushers as stoppers if they would be seperated from the piston
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local piston_pusher_get_stopper = function (node, dir, stack, stackid)
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if (stack[stackid + 1]
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and stack[stackid + 1].node.name == minetest.registered_nodes[node.name].corresponding_piston
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and stack[stackid + 1].node.param2 == node.param2)
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or (stack[stackid - 1]
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and stack[stackid - 1].node.name == minetest.registered_nodes[node.name].corresponding_piston
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and stack[stackid - 1].node.param2 == node.param2) then
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return false
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end
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return true
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end
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local piston_pusher_up_down_get_stopper = function (node, dir, stack, stackid)
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if (stack[stackid + 1]
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and stack[stackid + 1].node.name == minetest.registered_nodes[node.name].corresponding_piston)
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or (stack[stackid - 1]
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and stack[stackid - 1].node.name == minetest.registered_nodes[node.name].corresponding_piston) then
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return false
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end
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return true
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end
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mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_normal", piston_pusher_get_stopper)
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mesecon:register_mvps_stopper("mesecons_pistons:piston_pusher_sticky", piston_pusher_get_stopper)
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local piston_get_stopper = function (node, dir, stack, stackid)
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pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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dir = piston_facedir_direction(node)
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local pusherpos = mesecon:addPosRule(stack[stackid].pos, dir)
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local pushernode = minetest.env:get_node(pusherpos)
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if minetest.registered_nodes[node.name].mesecons_piston.pusher == pushernode.name then
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for _, s in ipairs(stack) do
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if mesecon:cmpPos(s.pos, pusherpos) -- pusher is also to be pushed
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and s.node.param2 == node.param2 then
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return false
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end
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end
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end
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return true
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end
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mesecon:register_mvps_stopper("mesecons_pistons:piston_normal_on", piston_get_stopper)
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mesecon:register_mvps_stopper("mesecons_pistons:piston_sticky_on", piston_get_stopper)
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--craft recipes
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minetest.register_craft({
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output = 'mesecons_pistons:piston_normal_off 2',
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recipe = {
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{"default:wood", "default:wood", "default:wood"},
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{"default:cobble", "default:steel_ingot", "default:cobble"},
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{"default:cobble", "group:mesecon_conductor_craftable", "default:cobble"},
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}
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})
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minetest.register_craft({
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output = "mesecons_pistons:piston_sticky_off",
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recipe = {
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{"mesecons_materials:glue"},
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{"mesecons_pistons:piston_normal_off"},
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}
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})
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