mirror of
https://github.com/minetest-mods/technic.git
synced 2024-09-12 08:18:30 +02:00
249 lines
7.1 KiB
Lua
249 lines
7.1 KiB
Lua
minetest.register_craftitem("technic:injector", {
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description = "Injector",
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stack_max = 99,
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})
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minetest.register_node("technic:injector", {
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description = "Injector",
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tiles = {"technic_iron_chest_top.png", "technic_iron_chest_top.png", "technic_iron_chest_side.png",
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"technic_iron_chest_side.png", "technic_iron_chest_side.png", "technic_iron_chest_front.png"},
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paramtype2 = "facedir",
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groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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on_construct = function(pos)
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local meta = minetest.env:get_meta(pos)
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meta:set_string("formspec",
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"invsize[9,9;]"..
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"list[current_name;main;0,2;8,2;]"..
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"list[current_player;main;0,5;8,4;]")
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meta:set_string("infotext", "Injector")
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local inv = meta:get_inventory()
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inv:set_size("main", 8*4)
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end,
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can_dig = function(pos,player)
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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return inv:is_empty("main")
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end,
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on_punch = function (pos, node, puncher)
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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for _,stack in ipairs(inv:get_list("main")) do
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if stack:get_name() ~="" then
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inv:remove_item("main",stack)
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item1=tube_item({x=pos.x+.5,y=pos.y,z=pos.z},stack)
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return
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end
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end
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end,
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})
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function tube_item(pos, item)
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-- Take item in any format
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local stack = ItemStack(item)
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local obj = minetest.env:add_entity(pos, "technic:tubed_item")
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obj:get_luaentity():set_item(stack:to_string())
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obj:get_luaentity().start_pos = {x=pos.x,y=pos.y,z=pos.z}
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obj:setacceleration({x=0, y=0, z=0})
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pos.x=pos.x+1
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local meta = minetest.env:get_meta(pos)
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if meta:get_int("tubelike")==1 then obj:setvelocity({x=1, y=0, z=0}) return obj end
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pos.x=pos.x-2
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meta = minetest.env:get_meta(pos)
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if meta:get_int("tubelike")==1 then obj:setvelocity({x=-1, y=0, z=0}) return obj end
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pos.x=pos.x+1
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pos.z=pos.z+1
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meta = minetest.env:get_meta(pos)
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if meta:get_int("tubelike")==1 then obj:setvelocity({x=0, y=0, z=1}) return obj end
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pos.z=pos.z-2
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meta = minetest.env:get_meta(pos)
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if meta:get_int("tubelike")==1 then obj:setvelocity({x=0, y=0, z=-1}) return obj end
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pos.z=pos.z+1
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pos.y=pos.y+1
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meta = minetest.env:get_meta(pos)
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if meta:get_int("tubelike")==1 then obj:setvelocity({x=0, y=1, z=0}) return obj end
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pos.y=pos.y-2
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meta = minetest.env:get_meta(pos)
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if meta:get_int("tubelike")==1 then obj:setvelocity({x=0, y=-2, z=0}) return obj end
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pos.y=pos.y+1
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return obj
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end
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minetest.register_entity("technic:tubed_item", {
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initial_properties = {
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hp_max = 1,
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physical = false,
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collisionbox = {0,0,0,0,0,0},
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visual = "sprite",
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visual_size = {x=0.5, y=0.5},
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textures = {""},
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spritediv = {x=1, y=1},
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initial_sprite_basepos = {x=0, y=0},
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is_visible = false,
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start_pos={}
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},
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itemstring = '',
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physical_state = false,
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set_item = function(self, itemstring)
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self.itemstring = itemstring
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local stack = ItemStack(itemstring)
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local itemtable = stack:to_table()
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local itemname = nil
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if itemtable then
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itemname = stack:to_table().name
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end
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local item_texture = nil
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local item_type = ""
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if minetest.registered_items[itemname] then
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item_texture = minetest.registered_items[itemname].inventory_image
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item_type = minetest.registered_items[itemname].type
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end
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prop = {
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is_visible = true,
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visual = "sprite",
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textures = {"unknown_item.png"}
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}
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if item_texture and item_texture ~= "" then
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prop.visual = "sprite"
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prop.textures = {item_texture}
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prop.visual_size = {x=0.3, y=0.3}
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else
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prop.visual = "wielditem"
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prop.textures = {itemname}
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prop.visual_size = {x=0.15, y=0.15}
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end
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self.object:set_properties(prop)
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end,
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get_staticdata = function(self)
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return minetest.serialize({
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itemstring=self.itemstring,
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velocity=self.object:getvelocity(),
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start_pos=self.start_pos
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})
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end,
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on_activate = function(self, staticdata)
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if staticdata=="" or staticdata==nil then return end
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local item = minetest.deserialize(staticdata)
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local stack = ItemStack(item.itemstring)
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local itemtable = stack:to_table()
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local itemname = nil
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if itemtable then
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itemname = stack:to_table().name
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end
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if itemname then
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self.start_pos=item.start_pos
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self.object:setvelocity(item.velocity)
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self.object:setacceleration({x=0, y=0, z=0})
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self.object:setpos(item.start_pos)
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end
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self:set_item(item.itemstring)
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end,
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on_step = function(self, dtime)
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if self.start_pos then
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local pos = self.object:getpos()
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local node = minetest.env:get_node(pos)
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local meta = minetest.env:get_meta(pos)
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tubelike=meta:get_int("tubelike")
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local velocity=self.object:getvelocity()
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if not velocity then return end
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if math.abs(velocity.x)==1 then
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local next_node=math.abs(pos.x-self.start_pos.x)
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if next_node >= 1 then
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self.start_pos.x=self.start_pos.x+velocity.x
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if check_pos_vector (self.start_pos, velocity)==0 then
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check_next_step (self.start_pos, velocity)
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self.object:setpos(self.start_pos)
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self.object:setvelocity(velocity)
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return
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end
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end
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end
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if math.abs(velocity.y)==1 then
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local next_node=math.abs(pos.y-self.start_pos.y)
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if next_node >= 1 then
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self.start_pos.y=self.start_pos.y+velocity.y
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if check_pos_vector (self.start_pos, velocity)==0 then
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check_next_step (self.start_pos, velocity)
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self.object:setpos(self.start_pos)
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self.object:setvelocity(velocity)
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return
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end
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end
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end
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if math.abs(velocity.z)==1 then
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local next_node=math.abs(pos.z-self.start_pos.z)
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if next_node >= 1 then
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self.start_pos.z=self.start_pos.z+velocity.z
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if check_pos_vector (self.start_pos, velocity)==0 then
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check_next_step (self.start_pos, velocity)
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self.object:setpos(self.start_pos)
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self.object:setvelocity(velocity)
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return
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end
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end
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end
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end
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end
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})
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function check_next_step (pos,velocity)
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local meta
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local tubelike
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if velocity.x==0 then
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meta = minetest.env:get_meta({x=pos.x-1,y=pos.y,z=pos.z})
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tubelike=meta:get_int("tubelike")
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if tubelike==1 then velocity.x=-1 velocity.y=0 velocity.z=0 return end
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meta = minetest.env:get_meta({x=pos.x+1,y=pos.y,z=pos.z})
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tubelike=meta:get_int("tubelike")
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if tubelike==1 then velocity.x=1 velocity.y=0 velocity.z=0 return end
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end
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if velocity.z==0 then
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meta = minetest.env:get_meta({x=pos.x,y=pos.y,z=pos.z+1})
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tubelike=meta:get_int("tubelike")
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if tubelike==1 then velocity.x=0 velocity.y=0 velocity.z=1 return end
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meta = minetest.env:get_meta({x=pos.x,y=pos.y,z=pos.z-1})
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tubelike=meta:get_int("tubelike")
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if tubelike==1 then velocity.x=0 velocity.y=0 velocity.z=-1 return end
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end
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if velocity.y==0 then
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meta = minetest.env:get_meta({x=pos.x,y=pos.y+1,z=pos.z})
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tubelike=meta:get_int("tubelike")
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if tubelike==1 then velocity.x=0 velocity.y=1 velocity.z=0 return end
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meta = minetest.env:get_meta({x=pos.x,y=pos.y-1,z=pos.z})
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tubelike=meta:get_int("tubelike")
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if tubelike==1 then velocity.x=0 velocity.y=-1 velocity.z=0 return end
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end
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--velocity.x=0
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--velocity.y=0
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--velocity.z=0
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end
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function check_pos_vector (pos,velocity)
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added={}
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added.x=pos.x+velocity.x
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added.y=pos.y+velocity.y
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added.z=pos.z+velocity.z
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local meta=minetest.env:get_meta(added)
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--print(dump(added).." : "..tubelike)
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if meta:get_int("tubelike")==1 then return 1 end
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return 0
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end
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