mods/creative/init.lua

   1 -- minetest/creative/init.lua
   2
   3 local creative_inventory = {}
   4 creative_inventory.creative_inventory_size = 0
   5
   6 -- Create detached creative inventory after loading all mods
   7 minetest.after(0, function()
   8         local inv = minetest.create_detached_inventory("creative", {
   9                 allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
  10                         if minetest.setting_getbool("creative_mode") then
  11                                 return count
  12                         else
  13                                 return 0
  14                         end
  15                 end,
  16                 allow_put = function(inv, listname, index, stack, player)
  17                         return 0
  18                 end,
  19                 allow_take = function(inv, listname, index, stack, player)
  20                         if minetest.setting_getbool("creative_mode") then
  21                                 return -1
  22                         else
  23                                 return 0
  24                         end
  25                 end,
  26                 on_move = function(inv, from_list, from_index, to_list, to_index, count, player)
  27                 end,
  28                 on_put = function(inv, listname, index, stack, player)
  29                 end,
  30                 on_take = function(inv, listname, index, stack, player)
  31                         print(player:get_player_name().." takes item from creative inventory; listname="..dump(listname)..", index="..dump(index)..", stack="..dump(stack))
  32                         if stack then
  33                                 print("stack:get_name()="..dump(stack:get_name())..", stack:get_count()="..dump(stack:get_count()))
  34                         end
  35                 end,
  36         })
  37         local creative_list = {}
  38         for name,def in pairs(minetest.registered_items) do
  39                 if (not def.groups.not_in_creative_inventory or def.groups.not_in_creative_inventory == 0)
  40                                 and def.description and def.description ~= "" then
  41                         table.insert(creative_list, name)
  42                 end
  43         end
  44         table.sort(creative_list)
  45         inv:set_size("main", #creative_list)
  46         for _,itemstring in ipairs(creative_list) do
  47                 local stack = ItemStack(itemstring)
  48                 -- Make a stack of the right number of items
  49                 local stack2 = nil
  50                 if stack:get_stack_max() == 1 then
  51                         stack2 = ItemStack(stack:get_name())
  52                 else
  53                         stack2 = ItemStack(stack:get_name().." "..stack:get_stack_max())
  54                 end
  55                 inv:add_item("main", stack2)
  56         end
  57         creative_inventory.creative_inventory_size = #creative_list
  58         print("creative inventory size: "..dump(creative_inventory.creative_inventory_size))
  59 end)
  60
  61 -- Create the trash field
  62 local trash = minetest.create_detached_inventory("creative_trash", {
  63         -- Allow the stack to be placed and remove it in on_put()
  64         -- This allows the creative inventory to restore the stack
  65         allow_put = function(inv, listname, index, stack, player)
  66                 if minetest.setting_getbool("creative_mode") then
  67                         return stack:get_count()
  68                 else
  69                         return 0
  70                 end
  71         end,
  72         on_put = function(inv, listname, index, stack, player)
  73                 inv:set_stack(listname, index, "")
  74         end,
  75 })
  76 trash:set_size("main", 1)
  77
  78
  79 creative_inventory.set_creative_formspec = function(player, start_i, pagenum)
  80         pagenum = math.floor(pagenum)
  81         local pagemax = math.floor((creative_inventory.creative_inventory_size-1) / (6*4) + 1)
  82         player:set_inventory_formspec("size[13,7.5]"..
  83                         --"image[6,0.6;1,2;player.png]"..
  84                         "list[current_player;main;5,3.5;8,4;]"..
  85                         "list[current_player;craft;8,0;3,3;]"..
  86                         "list[current_player;craftpreview;12,1;1,1;]"..
  87                         "list[detached:creative;main;0.3,0.5;4,6;"..tostring(start_i).."]"..
  88                         "label[2.0,6.55;"..tostring(pagenum).."/"..tostring(pagemax).."]"..
  89                         "button[0.3,6.5;1.6,1;creative_prev;<<]"..
  90                         "button[2.7,6.5;1.6,1;creative_next;>>]"..
  91                         "label[5,1.5;Trash:]"..
  92                         "list[detached:creative_trash;main;5,2;1,1;]")
  93 end
  94 minetest.register_on_joinplayer(function(player)
  95         -- If in creative mode, modify player's inventory forms
  96         if not minetest.setting_getbool("creative_mode") then
  97                 return
  98         end
  99         creative_inventory.set_creative_formspec(player, 0, 1)
 100 end)
 101 minetest.register_on_player_receive_fields(function(player, formname, fields)
 102         if not minetest.setting_getbool("creative_mode") then
 103                 return
 104         end
 105         -- Figure out current page from formspec
 106         local current_page = 0
 107         local formspec = player:get_inventory_formspec()
 108         local start_i = string.match(formspec, "list%[detached:creative;main;[%d.]+,[%d.]+;[%d.]+,[%d.]+;(%d+)%]")
 109         start_i = tonumber(start_i) or 0
 110
 111         if fields.creative_prev then
 112                 start_i = start_i - 4*6
 113         end
 114         if fields.creative_next then
 115                 start_i = start_i + 4*6
 116         end
 117
 118         if start_i < 0 then
 119                 start_i = start_i + 4*6
 120         end
 121         if start_i >= creative_inventory.creative_inventory_size then
 122                 start_i = start_i - 4*6
 123         end
 124
 125         if start_i < 0 or start_i >= creative_inventory.creative_inventory_size then
 126                 start_i = 0
 127         end
 128
 129         creative_inventory.set_creative_formspec(player, start_i, start_i / (6*4) + 1)
 130 end)
 131