194 lines
7.4 KiB
Lua
194 lines
7.4 KiB
Lua
local rmod_conveyor_top_animated = {
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name = "rmod_conveyor_top_animated.png",
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backface_culling = true,
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animation = {
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type = "vertical_frames",
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aspect_w = 16,
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aspect_h = 16,
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length = 1/8, -- it takes 1 second to move 16 pixels, thus 1/16 seconds to move one pixel. but this animation is two pixels per runthrough.
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},
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}
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local rmod_conveyor_top_animated_2 = {
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name = "rmod_conveyor_top_animated_2.png", -- Higher resolution version with 4 frames as opposed to 2.
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backface_culling = true,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 1/8, -- it takes 1 second to move 16 pixels, thus 1/16 seconds to move one pixel. but this animation is two pixels per runthrough.
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},
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}
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local rmod_conveyor_top_animated_2_reversed = { -- Reversed animation for the Z+ face.
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name = "rmod_conveyor_top_animated_2_reversed.png", -- Higher resolution version with 4 frames as opposed to 2.
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backface_culling = true,
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animation = {
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type = "vertical_frames",
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aspect_w = 32,
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aspect_h = 32,
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length = 1/8, -- it takes 1 second to move 16 pixels, thus 1/16 seconds to move one pixel. but this animation is two pixels per runthrough.
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},
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}
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minetest.register_node("rmod:conveyor", {
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description = "Conveyor",
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--[[tiles = {"rmod_conveyor_top.png", "rmod_conveyor_top.png", "rmod_conveyor_side.png", "rmod_conveyor_side.png", "rmod_conveyor_top.png", "rmod_conveyor_top.png"},]]
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tiles = {
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rmod_conveyor_top_animated_2, rmod_conveyor_top_animated_2,
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"rmod_conveyor_side.png", "rmod_conveyor_side.png",
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rmod_conveyor_top_animated_2_reversed, rmod_conveyor_top_animated_2 -- You have to reverse one of the faces to go UP, not DOWN.
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},
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groups = {oddly_breakable_by_hand = 1, conveyor = 1},
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use_texture_alpha = true,
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paramtype2 = "facedir",
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})
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local getnode = function (pos)
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return minetest.get_node(pos)
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end
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local getname = function (pos)
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return getnode(pos).name
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end
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local getdef = function (pos)
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return minetest.registered_nodes[getname(pos)]
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end
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local round = function (n)
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return math.floor(n + 0.5)
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end
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local timer = 0
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minetest.register_globalstep(function (dtime)
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timer = timer + dtime
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if timer > 1 then timer = 0 else return end -- The code below should only execute once every second.
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for _,entity in pairs(minetest.object_refs) do -- We cycle the entities because it then means we don't have to try to keep a queue of each entity.
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local isplayer = entity:is_player()
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local position = entity:getpos()
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local roundedpos = {x=round(position.x), y=round(position.y), z=round(position.z)}
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local surface = vector.subtract(roundedpos, {x=0,y=1,z=0})
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local node = getnode(surface)
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local name = getname(surface)
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local def = getdef(surface)
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if def and def.groups.conveyor == 1 then -- I might replace this with a group, e.g. def.groups.conveyor, so you can set the speed.
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local facing = node.param2 -- Param2 is the facedir as defined above - conveyors face the opposite direction they move you.
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local direction = minetest.facedir_to_dir(facing)
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local movement = vector.multiply(direction, {x=1, y=1, z=1}) -- We reversed the facing system recently.
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local newpos = vector.add(position, movement)
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local newrpos = {x=round(newpos.x), y=round(newpos.y), z=round(newpos.z)}
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local newnode = getnode(newrpos)
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local newname = getname(newrpos)
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local newdef = getdef(newrpos)
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-- If we can move any entity forward and up, we'll need to check here.
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-- If we can move the player forward, we'll need to check here anyway.
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local upos = vector.add(newpos, {x=0, y=1, z=0})
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local roundedupos = {x=round(upos.x), y=round(upos.y), z=round(upos.z)}
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local unode = getnode(roundedupos)
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local uname = getname(roundedupos)
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local udef = getdef(roundedupos)
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if newdef.walkable then
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if newdef.groups.conveyor == 1 and newnode.param2 == facing then
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-- Okay, so the entity will be moving into a node.
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-- But it just so happens that this node is also a conveyor!
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-- Plus, it's moving in the same direction!
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-- Let's see if we can move the entity up and forward.
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-- We should also probably check for the node above it, if the entity is a player.
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-- We don't want their head in a node, after all.
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local uupos = vector.add(upos, {x=0, y=1, z=0})
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local roundeduupos = {x=round(uupos.x), y=round(uupos.y), z=round(uupos.z)}
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local uunode = getnode(roundeduupos)
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local uuname = getname(roundeduupos)
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local uudef = getdef(roundeduupos)
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if not udef.walkable and ((not isplayer) or (not uudef.walkable)) then -- Ooh! We /can/ move the entity here!
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entity:setpos(upos)
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end
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end
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elseif (not isplayer) or (not udef.walkable) then -- When we move the entity, either the entity's not a player, or they have head room.
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entity:setpos(newpos)
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end
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end
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end
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end)
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if not minetest.get_modpath("mesecons") then return end -- There's no point of using meseconveyors when mesecons doesn't exist.
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-- I present... Meseconveyors!
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local meseconveyor_rules = {
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{x=0, y=0, z=-1},
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{x=1, y=0, z=0},
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{x=-1, y=0, z=0},
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{x=0, y=0, z=1},
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{x=1, y=1, z=0},
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{x=1, y=-1, z=0},
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{x=-1, y=1, z=0},
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{x=-1, y=-1, z=0},
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{x=0, y=1, z=1},
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{x=0, y=-1, z=1},
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{x=0, y=1, z=-1},
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{x=0, y=-1, z=-1},
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{x=0, y=-1, z=0},
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}
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local overlay_off = "^rmod_meseconveyor_overlay_off.png"
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local overlay_on = "^rmod_meseconveyor_overlay_on.png"
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local side_overlay_off = "^rmod_meseconveyor_side_overlay_off.png"
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local side_overlay_on = "^rmod_meseconveyor_side_overlay_on.png"
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local rmod_meseconveyor_top_off = "rmod_conveyor_top_off.png" .. overlay_off -- Un-animated version of the conveyor texture.
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local rmod_meseconveyor_top_off_reversed = "rmod_conveyor_top_off_reversed.png" .. overlay_off -- I probably should just [rotate it.
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local rmod_meseconveyor_top_animated_2 = rmod_conveyor_top_animated_2
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rmod_meseconveyor_top_animated_2.name = rmod_conveyor_top_animated_2.name .. overlay_on
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local rmod_meseconveyor_top_animated_2_reversed = rmod_conveyor_top_animated_2_reversed
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rmod_meseconveyor_top_animated_2_reversed.name = rmod_conveyor_top_animated_2_reversed.name .. overlay_on
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minetest.register_node("rmod:meseconveyor_off", {
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description = "Meseconveyor",
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tiles = {
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rmod_meseconveyor_top_off, rmod_meseconveyor_top_off,
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"rmod_conveyor_side.png" .. side_overlay_off, "rmod_conveyor_side.png" .. side_overlay_off,
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rmod_meseconveyor_top_off_reversed, rmod_meseconveyor_top_off
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},
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groups = {oddly_breakable_by_hand = 1, mesecon = 2},
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use_texture_alpha = true,
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paramtype2 = "facedir",
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mesecons = {effector = {
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rules = meseconveyor_rules,
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action_on = function (pos, node)
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minetest.swap_node(pos, {name = "rmod:meseconveyor_on", param2 = node.param2})
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end,
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}}
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})
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minetest.register_node("rmod:meseconveyor_on", {
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description = "Active Meseconveyor (you hacker you!)",
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tiles = {
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rmod_meseconveyor_top_animated_2, rmod_meseconveyor_top_animated_2,
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"rmod_conveyor_side.png" .. side_overlay_on, "rmod_conveyor_side.png" .. side_overlay_on,
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rmod_meseconveyor_top_animated_2_reversed, rmod_meseconveyor_top_animated_2
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},
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groups = {oddly_breakable_by_hand = 1, conveyor = 1, not_in_creative_inventory = 1, mesecon = 2},
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drop = "rmod:meseconveyor_off",
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use_texture_alpha = true,
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paramtype2 = "facedir",
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mesecons = {effector = {
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rules = meseconveyor_rules,
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action_off = function (pos, node)
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minetest.swap_node(pos, {name = "rmod:meseconveyor_off", param2 = node.param2})
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end,
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}}
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})
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