mods/minecart/init.lua

   1 local pool = {}
   2
   3 local dirs = {
   4         {x= 1,y= 0,z= 0},
   5         {x=-1,y= 0,z= 0},
   6
   7         {x= 1,y= 1,z= 0},
   8         {x=-1,y= 1,z= 0},
   9
  10         {x= 1,y=-1,z= 0},
  11         {x=-1,y=-1,z= 0},
  12
  13         {x= 0,y= 0,z= 1},
  14         {x= 0,y= 0,z=-1},
  15
  16         {x= 0,y= 1,z= 1},
  17         {x= 0,y= 1,z=-1},
  18
  19         {x= 0,y=-1,z= 1},
  20         {x= 0,y=-1,z=-1},
  21 }
  22
  23 local axis_order = {
  24
  25 }
  26 local function data_injection(pos,data)
  27         if data then
  28                 pool[minetest.hash_node_position(pos)] = true
  29         else
  30                 pool[minetest.hash_node_position(pos)] = nil
  31         end
  32 end
  33
  34
  35 local function create_axis(pos)
  36         local possible_dirs = {}
  37         for _,dir in pairs(dirs) do
  38                 local pos2 = vector.add(pos,dir)
  39                 if pool[minetest.hash_node_position(pos2)] then
  40                         table.insert(possible_dirs,dir)
  41                 end
  42         end
  43         print(dump(possible_dirs))
  44 end
  45
  46
  47
  48 local minecart = {}
  49
  50
  51
  52 minecart.on_step = function(self,dtime)
  53         local pos = vector.round(self.object:get_pos())
  54         create_axis(pos)
  55 end
  56
  57 minecart.on_rightclick = function(self,clicker)
  58 end
  59
  60 --get old data
  61 minecart.on_activate = function(self,staticdata, dtime_s)
  62         self.object:set_armor_groups({immortal=1})
  63         if string.sub(staticdata, 1, string.len("return")) ~= "return" then
  64                 return
  65         end
  66         local data = minetest.deserialize(staticdata)
  67         if type(data) ~= "table" then
  68                 return
  69         end
  70
  71 end
  72
  73 minecart.get_staticdata = function(self)
  74         return minetest.serialize({
  75         })
  76 end
  77
  78
  79
  80 minecart.initial_properties = {
  81         physical = false, -- otherwise going uphill breaks
  82         collisionbox = {-0.4, -0.5, -0.4, 0.4, 0.45, 0.4},--{-0.5, -0.4, -0.5, 0.5, 0.25, 0.5},
  83         visual = "mesh",
  84         mesh = "minecart.x",
  85         visual_size = {x=1, y=1},
  86         textures = {"minecart.png"},
  87 }
  88
  89
  90 minecart.on_punch = function(self,puncher, time_from_last_punch, tool_capabilities, dir, damage)
  91         --local obj = minetest.add_item(self.object:getpos(), "minecart:minecart")
  92         --self.object:remove()
  93 end
  94
  95
  96
  97 minetest.register_entity("minecart:minecart", minecart)
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110 minetest.register_craftitem("minecart:minecart", {
 111         description = "Minecart",
 112         inventory_image = "minecartitem.png",
 113         wield_image = "minecartitem.png",
 114         on_place = function(itemstack, placer, pointed_thing)
 115                 if not pointed_thing.type == "node" then
 116                         return
 117                 end
 118
 119                 local sneak = placer:get_player_control().sneak
 120                 local noddef = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]
 121                 if not sneak and noddef.on_rightclick then
 122                         minetest.item_place(itemstack, placer, pointed_thing)
 123                         return
 124                 end
 125
 126                 if minetest.get_item_group(minetest.get_node(pointed_thing.under).name, "rail")>0 then
 127                         minetest.add_entity(pointed_thing.under, "minecart:minecart")
 128                 else
 129                         return
 130                 end
 131
 132                 itemstack:take_item()
 133
 134                 return itemstack
 135         end,
 136 })
 137
 138 minetest.register_craft({
 139         output = "minecart:minecart",
 140         recipe = {
 141                 {"main:iron", "", "main:iron"},
 142                 {"main:iron", "main:iron", "main:iron"},
 143         },
 144 })
 145
 146
 147
 148
 149
 150 minetest.register_node("minecart:rail",{
 151         description = "Rail",
 152         wield_image = "rail.png",
 153         tiles = {
 154                 "rail.png", "railcurve.png",
 155                 "railt.png", "railcross.png"
 156         },
 157         drawtype = "raillike",
 158         paramtype = "light",
 159         sunlight_propagates = true,
 160         is_ground_content = false,
 161         walkable = false,
 162         node_placement_prediction = "",
 163         selection_box = {
 164                 type = "fixed",
 165                 fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
 166         },
 167         sounds = main.stoneSound(),
 168         after_place_node = function(pos)
 169                 data_injection(pos,true)
 170         end,
 171         after_destruct = function(pos)
 172                 data_injection(pos)
 173         end,
 174         groups={stone=1,wood=1,rail=1,attached_node=1},
 175 })
 176
 177
 178 minetest.register_lbm({
 179         name = "minecart:rail",
 180         nodenames = {"minecart:rail"},
 181         run_at_every_load = true,
 182         action = function(pos)
 183                 data_injection(pos,true)
 184                 print("buildin dat cash")
 185         end,
 186 })
 187
 188 minetest.register_craft({
 189         output = "minecart:rail 32",
 190         recipe = {
 191                 {"main:iron","","main:iron"},
 192                 {"main:iron","main:stick","main:iron"},
 193                 {"main:iron","","main:iron"}
 194         }
 195 })