Adding again mesecons

- It's an easier way to update it than to copy the files over the old ones..

Signed-off-by: LeMagnesium <mg.minetest@gmail.com>

mods/mesecons/mesecons_movestones/depends.txt

@@ -0,0 +1,3 @@
+mesecons
+mesecons_materials
+mesecons_mvps

mods/mesecons/mesecons_movestones/init.lua

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+-- MOVESTONE
+-- Non-sticky:
+-- Moves along mesecon lines
+-- Pushes all blocks in front of it
+--
+-- Sticky one
+-- Moves along mesecon lines
+-- Pushes all block in front of it
+-- Pull all blocks in its back
+
+function mesecon.get_movestone_direction(pos)
+	getactivated = 0
+	local lpos
+	local getactivated = 0
+	local rules = {
+		{x=0,  y=1,  z=-1},
+		{x=0,  y=0,  z=-1},
+		{x=0,  y=-1, z=-1},
+		{x=0,  y=1,  z=1},
+		{x=0,  y=-1, z=1},
+		{x=0,  y=0,  z=1},
+		{x=1,  y=0,  z=0},
+		{x=1,  y=1,  z=0},
+		{x=1,  y=-1, z=0},
+		{x=-1, y=1,  z=0},
+		{x=-1, y=-1, z=0},
+		{x=-1, y=0,  z=0}}
+
+	lpos = {x=pos.x+1, y=pos.y, z=pos.z}
+	for n = 1, 3 do
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+			return {x=0, y=0, z=-1}
+		end
+	end
+
+	lpos = {x = pos.x-1, y = pos.y, z = pos.z}
+	for n=4, 6 do
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+			return {x=0, y=0, z=1}
+		end
+	end
+
+	lpos = {x = pos.x, y = pos.y, z = pos.z+1}
+	for n=7, 9 do
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+			return {x=-1, y=0, z=0}
+		end
+	end
+
+	lpos = {x = pos.x, y = pos.y, z = pos.z-1}
+	for n=10, 12 do
+		if mesecon.is_power_on(lpos, rules[n].x, rules[n].y, rules[n].z) then
+			return {x=1, y=0, z=0}
+		end
+	end
+end
+
+minetest.register_node("mesecons_movestones:movestone", {
+	tiles = {"jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_arrows.png", "jeija_movestone_arrows.png"},
+	paramtype2 = "facedir",
+	legacy_facedir_simple = true,
+	groups = {cracky=3},
+    	description="Movestone",
+	sounds = default.node_sound_stone_defaults(),
+	mesecons = {effector = {
+		action_on = function (pos, node)
+			local direction=mesecon.get_movestone_direction(pos)
+			if not direction then return end
+			minetest.remove_node(pos)
+			mesecon.on_dignode(pos, node)
+			minetest.add_entity(pos, "mesecons_movestones:movestone_entity")
+		end
+	}}
+})
+
+minetest.register_entity("mesecons_movestones:movestone_entity", {
+	physical = false,
+	visual = "sprite",
+	textures = {"jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_arrows.png", "jeija_movestone_arrows.png"},
+	collisionbox = {-0.5,-0.5,-0.5, 0.5, 0.5, 0.5},
+	visual = "cube",
+	lastdir = {x=0, y=0, z=0},
+
+	on_punch = function(self, hitter)
+		self.object:remove()
+		hitter:get_inventory():add_item("main", "mesecons_movestones:movestone")
+	end,
+
+	on_step = function(self, dtime)
+		local pos = self.object:getpos()
+		pos.x, pos.y, pos.z = math.floor(pos.x+0.5), math.floor(pos.y+0.5), math.floor(pos.z+0.5)
+		local direction = mesecon.get_movestone_direction(pos)
+
+		local maxpush = mesecon.setting("movestone_max_push", 50)
+		if not direction then -- no mesecon power
+			--push only solid nodes
+			local name = minetest.get_node(pos).name
+			if  name ~= "air" and name ~= "ignore"
+			and ((not minetest.registered_nodes[name])
+			or minetest.registered_nodes[name].liquidtype == "none") then
+				mesecon.mvps_push(pos, self.lastdir, maxpush)
+			end
+			local nn = {name="mesecons_movestones:movestone"}
+			minetest.add_node(pos, nn)
+			self.object:remove()
+			mesecon.on_placenode(pos, nn)
+			return
+		end
+
+		local success, stack, oldstack =
+			mesecon.mvps_push(pos, direction, maxpush)
+		if not success then -- Too large stack/stopper in the way
+			local nn = {name="mesecons_movestones:movestone"}
+			minetest.add_node(pos, nn)
+			self.object:remove()
+			mesecon.on_placenode(pos, nn)
+			return
+		else
+			mesecon.mvps_process_stack (stack)
+			mesecon.mvps_move_objects  (pos, direction, oldstack)
+			self.lastdir = direction
+		end
+
+		self.object:setvelocity({x=direction.x*2, y=direction.y*2, z=direction.z*2})
+	end,
+})
+
+minetest.register_craft({
+	output = "mesecons_movestones:movestone 2",
+	recipe = {
+		{"default:stone", "default:stone", "default:stone"},
+		{"group:mesecon_conductor_craftable", "group:mesecon_conductor_craftable", "group:mesecon_conductor_craftable"},
+		{"default:stone", "default:stone", "default:stone"},
+	}
+})
+
+
+
+-- STICKY_MOVESTONE
+
+minetest.register_node("mesecons_movestones:sticky_movestone", {
+	tiles = {"jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_sticky_movestone.png", "jeija_sticky_movestone.png"},
+	inventory_image = minetest.inventorycube("jeija_sticky_movestone.png", "jeija_movestone_side.png", "jeija_movestone_side.png"),
+	paramtype2 = "facedir",
+	legacy_facedir_simple = true,
+	groups = {cracky=3},
+    	description="Sticky Movestone",
+	sounds = default.node_sound_stone_defaults(),
+	mesecons = {effector = {
+		action_on = function (pos, node)
+			local direction=mesecon.get_movestone_direction(pos)
+			if not direction then return end
+			minetest.remove_node(pos)
+			mesecon.on_dignode(pos, node)
+			minetest.add_entity(pos, "mesecons_movestones:sticky_movestone_entity")
+		end
+	}}
+})
+
+minetest.register_craft({
+	output = "mesecons_movestones:sticky_movestone 2",
+	recipe = {
+		{"mesecons_materials:glue", "mesecons_movestones:movestone", "mesecons_materials:glue"},
+	}
+})
+
+minetest.register_entity("mesecons_movestones:sticky_movestone_entity", {
+	physical = false,
+	visual = "sprite",
+	textures = {"jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_movestone_side.png", "jeija_sticky_movestone.png", "jeija_sticky_movestone.png"},
+	collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
+	visual = "cube",
+	lastdir = {x=0, y=0, z=0},
+
+	on_punch = function(self, hitter)
+		self.object:remove()
+		hitter:get_inventory():add_item("main", 'mesecons_movestones:sticky_movestone')
+	end,
+
+	on_step = function(self, dtime)
+		local pos = self.object:getpos()
+		pos.x, pos.y, pos.z = math.floor(pos.x+0.5), math.floor(pos.y+0.5), math.floor(pos.z+0.5)
+		local direction = mesecon.get_movestone_direction(pos)
+
+		if not direction then -- no mesecon power
+			--push only solid nodes
+			local name = minetest.get_node(pos).name
+			if  name ~= "air" and name ~= "ignore"
+			and ((not minetest.registered_nodes[name])
+			or minetest.registered_nodes[name].liquidtype == "none") then
+				mesecon.mvps_push(pos, self.lastdir,
+					mesecon.setting("movestone_max_push", 50))
+				--STICKY
+				mesecon.mvps_pull_all(pos, self.lastdir)
+			end
+			local nn = {name="mesecons_movestones:sticky_movestone"}
+			minetest.add_node(pos, nn)
+			self.object:remove()
+			mesecon.on_placenode(pos, nn)
+			return
+		end
+
+		local success, stack, oldstack =
+			mesecon.mvps_push(pos, direction, mesecon.setting("movestone_max_push", 50))
+		if not success then -- Too large stack/stopper in the way
+			local nn = {name="mesecons_movestones:sticky_movestone"}
+			minetest.add_node(pos, nn)
+			self.object:remove()
+			mesecon.on_placenode(pos, nn)
+			return
+		else
+			mesecon.mvps_process_stack (stack)
+			mesecon.mvps_move_objects  (pos, direction, oldstack)
+			self.lastdir = direction
+		end
+
+		self.object:setvelocity({x=direction.x*2, y=direction.y*2, z=direction.z*2})
+
+		--STICKY
+		mesecon.mvps_pull_all(pos, direction)
+	end,
+})
+
+
+mesecon.register_mvps_unmov("mesecons_movestones:movestone_entity")
+mesecon.register_mvps_unmov("mesecons_movestones:sticky_movestone_entity")