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authorcornernote <cornernote@gmail.com>2012-08-09 13:52:47 +0930
committercornernote <cornernote@gmail.com>2012-08-09 13:52:47 +0930
commit2330d0af794bee5ca83856ea8e8da5584e40b113 (patch)
treeacfefeb4f3fc7d95b46d2b18cbda3d2583dc506c /mesecons_pistons/pistons_up.lua
parent2d94a08d2e7aefa2198fb7fb78b9f8badb971ecc (diff)
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added pistons up and down
Diffstat (limited to 'mesecons_pistons/pistons_up.lua')
-rw-r--r--mesecons_pistons/pistons_up.lua210
1 files changed, 210 insertions, 0 deletions
diff --git a/mesecons_pistons/pistons_up.lua b/mesecons_pistons/pistons_up.lua
new file mode 100644
index 0000000..cccfeb9
--- /dev/null
+++ b/mesecons_pistons/pistons_up.lua
@@ -0,0 +1,210 @@
+--PISTONS
+--registration normal one:
+minetest.register_node("mesecons_pistons:piston_up_normal", {
+ description = "Piston UP",
+ tiles = {"jeija_piston_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
+ groups = {cracky=3},
+ after_dig_node = function(pos, oldnode)
+ local dir = {x=0, y=1, z=0}
+ pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
+
+ --ensure piston is extended
+ local checknode = minetest.env:get_node(pos)
+ if checknode.name == "mesecons_pistons:piston_up_pusher_normal" then
+ if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
+ minetest.env:remove_node(pos) --remove the pusher
+ end
+ end
+ end,
+})
+
+--registration sticky one:
+minetest.register_node("mesecons_pistons:piston_up_sticky", {
+ description = "Sticky Piston UP",
+ tiles = {"jeija_piston_sticky_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
+ groups = {cracky=3},
+ after_dig_node = function(pos, oldnode)
+ local dir = {x=0, y=1, z=0}
+ pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
+
+ --ensure piston is extended
+ local checknode = minetest.env:get_node(pos)
+ if checknode.name == "mesecons_pistons:piston_up_pusher_sticky" then
+ if checknode.param2 == oldnode.param2 then --pusher is facing the same direction as the piston
+ minetest.env:remove_node(pos) --remove the pusher
+ end
+ end
+ end,
+})
+
+minetest.register_craft({
+ output = "mesecons_pistons:piston_up_normal",
+ recipe = {
+ {"mesecons_pistons:piston_normal"},
+ }
+})
+minetest.register_craft({
+ output = "mesecons_pistons:piston_up_sticky",
+ recipe = {
+ {"mesecons_pistons:piston_sticky"},
+ }
+})
+
+minetest.register_node("mesecons_pistons:piston_up_pusher_normal", {
+ drawtype = "nodebox",
+ tiles = {"jeija_piston_pusher_normal.png"},
+ paramtype = "light",
+ diggable = false,
+ selection_box = {
+ type = "fixed",
+ fixed = {
+ {-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
+ {-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
+ },
+ },
+ node_box = {
+ type = "fixed",
+ fixed = {
+ {-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
+ {-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
+ },
+ },
+})
+
+mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_normal")
+mesecon:register_mvps_stopper("mesecons_pistons:piston_up_pusher_sticky")
+
+minetest.register_node("mesecons_pistons:piston_up_pusher_sticky", {
+ drawtype = "nodebox",
+ tiles = {
+ "jeija_piston_pusher_normal.png",
+ "jeija_piston_pusher_sticky.png",
+ "jeija_piston_pusher_normal.png",
+ "jeija_piston_pusher_normal.png",
+ "jeija_piston_pusher_normal.png",
+ "jeija_piston_pusher_normal.png"
+ },
+ paramtype = "light",
+ diggable = false,
+ selection_box = {
+ type = "fixed",
+ fixed = {
+ {-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
+ {-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
+ },
+ },
+ node_box = {
+ type = "fixed",
+ fixed = {
+ {-0.2, -0.5, -0.2, 0.2, 0.3, 0.2},
+ {-0.5, 0.3, -0.5, 0.5, 0.5, 0.5},
+ },
+ },
+})
+
+-- Push action
+mesecon:register_on_signal_on(function(pos, node)
+ if node.name ~= "mesecons_pistons:piston_up_normal" and node.name ~= "mesecons_pistons:piston_up_sticky" then
+ return
+ end
+
+ local dir = {x=0, y=1, z=0}
+ pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node being pushed
+
+ --determine the number of nodes that need to be pushed
+ local count = 0
+ local checkpos = {x=pos.x, y=pos.y, z=pos.z} --first node being pushed
+ while true do
+ local checknode = minetest.env:get_node(checkpos)
+
+ --check for collision with stopper
+ if mesecon:is_mvps_stopper(checknode.name) then
+ return
+ end
+
+ --check for column end
+ if checknode.name == "air"
+ or checknode.name == "ignore"
+ or checknode.name == "default:water_source"
+ or checknode.name == "default:water_flowing"
+ or checknode.name == "default:lava_source"
+ or checknode.name == "default:lava_flowing" then
+ break
+ end
+
+ --limit piston pushing capacity
+ count = count + 1
+ if count > 15 then
+ return
+ end
+
+ checkpos.x, checkpos.y, checkpos.z = checkpos.x + dir.x, checkpos.y + dir.y, checkpos.z + dir.z
+ end
+
+ local checknode = minetest.env:get_node(pos)
+ minetest.env:remove_node(pos) --remove the first node
+ mesecon:updatenode(pos)
+
+ --add pusher
+ if node.name == "mesecons_pistons:piston_up_normal" then
+ minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_normal", param2=node.param2})
+ else
+ minetest.env:add_node(pos, {name="mesecons_pistons:piston_up_pusher_sticky", param2=node.param2})
+ end
+
+ --move nodes forward
+ for i = 1, count do
+ pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the next node
+
+ --move the node forward
+ local nextnode = minetest.env:get_node(pos)
+ --minetest.env:dig_node(pos)
+ minetest.env:set_node(pos, checknode)
+ mesecon:updatenode(pos)
+ checknode = nextnode
+ end
+end)
+
+--Pull action
+mesecon:register_on_signal_off(function(pos, node)
+ if node.name ~= "mesecons_pistons:piston_up_normal" and node.name ~= "mesecons_pistons:piston_up_sticky" then
+ return
+ end
+
+ local dir = {x=0, y=1, z=0}
+ pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to the node to be replaced
+
+ --ensure piston is extended
+ local checknode = minetest.env:get_node(pos)
+ if checknode.name ~= "mesecons_pistons:piston_up_pusher_normal" and checknode.name ~= "mesecons_pistons:piston_up_pusher_sticky" then
+ return
+ end
+ if checknode.param2 ~= node.param2 then --pusher is not facing the same direction as the piston
+ return --piston is not extended
+ end
+
+ --retract piston
+ minetest.env:remove_node(pos) --remove pusher
+ if node.name ~= "mesecons_pistons:piston_up_sticky" then
+ nodeupdate(pos)
+ end
+ if node.name == "mesecons_pistons:piston_up_sticky" then --retract block
+ local checkpos = {x=pos.x + dir.x, y=pos.y + dir.y, z=pos.z + dir.z} --move to the node to be retracted
+ checknode = minetest.env:get_node(checkpos)
+ if checknode.name ~= "air"
+ and checknode.name ~= "ignore"
+ and checknode.name ~= "default:water_source"
+ and checknode.name ~= "default:water_flowing"
+ and checknode.name ~= "default:lava_source"
+ and checknode.name ~= "default:lava_flowing"
+ and not mesecon:is_mvps_stopper(checknode.name) then
+ minetest.env:remove_node(checkpos)
+ mesecon:updatenode(checkpos)
+ minetest.env:set_node(pos, checknode)
+ mesecon:updatenode(pos)
+ end
+ end
+ if node.name == "mesecons_pistons:piston_up_sticky" then
+ nodeupdate(pos)
+ end
+end)