added formspecs for simple trade
This commit is contained in:
Sokomine
parent
4c4992f985
commit
53496c7369
@ -24,6 +24,8 @@ yl_speak_up.npc_was_changed = {}
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-- format: yl_speak_up.npc_owner[ npc_id ] = owner_name
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yl_speak_up.npc_owner = {}
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-- store the current trade between player and npc
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yl_speak_up.trade = {}
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function yl_speak_up.init_mob_table()
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return false
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@ -2772,7 +2774,7 @@ yl_speak_up.input_talk = function(player, formname, fields)
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if(edit_mode and fields.show_inventory) then
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local dialog = yl_speak_up.speak_to[pname].dialog
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-- the inventory is just an inventory with a back button; come back to this dialog here
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minetest.show_formspec(pname, "yl_speak_up:inventory", yl_speak_up.get_fs_inventory(player, n_id, dialog.n_npc))
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minetest.show_formspec(pname, "yl_speak_up:inventory", yl_speak_up.get_fs_inventory(player))
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return
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end
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5
init.lua
5
init.lua
@ -19,8 +19,13 @@ dofile(modpath .. "config.lua")
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dofile(modpath .. "privs.lua")
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-- inventory management, trading and handling of quest items:
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dofile(modpath .. "inventory.lua")
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-- trade one item(stack) against one other item(stack)
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dofile(modpath .. "trade_simple.lua")
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-- the main functionality of the mod
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dofile(modpath .. "functions.lua")
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-- the staffs (requires npc_master priv)
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dofile(modpath .. "tools.lua")
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-- the actual mobs, using mobs_redo
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dofile(modpath .. "mobs.lua")
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--dofile(modpath .. "debug.lua")
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@ -10,14 +10,28 @@ end
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-- access the inventory of the NPC (only possible for players with the right priv)
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yl_speak_up.get_fs_inventory = function(player, n_id, npc_name)
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yl_speak_up.get_fs_inventory = function(player)
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if(not(player)) then
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return ""
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end
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local pname = player:get_player_name()
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-- which NPC is the player talking to?
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local n_id = yl_speak_up.speak_to[pname].n_id
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local dialog = yl_speak_up.speak_to[pname].dialog
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-- do we have all the necessary data?
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if(not(n_id) or not(dialog.n_npc)) then
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return "size[6,2]"..
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"label[0.2,0.5;Ups! This NPC lacks ID or name.]"..
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"button_exit[2,1.5;1,0.9;exit;Exit]"
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end
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return "size[12,11]" ..
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"label[2,-0.2;Inventory of "..minetest.formspec_escape(npc_name)..
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"label[2,-0.2;Inventory of "..minetest.formspec_escape(dialog.n_npc)..
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" (ID: "..tostring(n_id).."):]"..
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"list[detached:yl_npc_"..tostring(n_id)..";npc_main;0,0.3;12,6;]" ..
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"list[detached:yl_speak_up_npc_"..tostring(n_id)..";npc_main;0,0.3;12,6;]" ..
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"list[current_player;main;2,6.85;8,1;]" ..
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"list[current_player;main;2,8.08;8,3;8]" ..
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"listring[detached:yl_npc_"..tostring(n_id)..";npc_main]" ..
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"listring[detached:yl_speak_up_npc_"..tostring(n_id)..";npc_main]" ..
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"listring[current_player;main]" ..
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"button[10.0,10.2;2,0.9;back_from_inventory;Back]"
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end
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@ -50,6 +64,7 @@ end
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-- create and load the detached inventory in yl_speak_up.after_activate;
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-- direct access to this inventory is only possible for players with the right privs
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-- (this is an inventory for the *NPC*, which is stored to disk sometimes)
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yl_speak_up.load_npc_inventory = function(n_id)
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if(not(n_id)) then
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return
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@ -59,7 +74,7 @@ yl_speak_up.load_npc_inventory = function(n_id)
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return
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end
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-- create the detached inventory (it is empty for now)
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local npc_inv = minetest.create_detached_inventory("yl_npc_"..tostring(n_id), {
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local npc_inv = minetest.create_detached_inventory("yl_speak_up_npc_"..tostring(n_id), {
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allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
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if(not(yl_speak_up.may_edit_npc(player, n_id))) then
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return 0
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275
trade_simple.lua
Normal file
275
trade_simple.lua
Normal file
@ -0,0 +1,275 @@
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-- spimple trading: one item(stack) for another item(stack)
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-- fallback message if something went wrong
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yl_speak_up.trade_fail_fs = "size[6,2]"..
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"label[0.2,0.5;Ups! The trade is not possible.\nPlease notify an admin.]"..
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"button_exit[2,1.5;1,0.9;exit;Exit]"
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-- TODO: when closing the formspec: give the items in the pay slot back
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-- can this trade be made? called in allow_take
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yl_speak_up.can_trade_simple = function(player, count)
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if(not(player)) then
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return 0
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end
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local pname = player:get_player_name()
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-- which trade are we talking about?
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local trade = yl_speak_up.trade[pname]
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-- do we have all the necessary data?
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if(not(trade) or trade.trade_type ~= "trade_simple") then
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return 0
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end
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-- the player tries to take *less* items than what his payment is;
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-- avoid this confusion!
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if(ItemStack(trade.npc_gives):get_count() ~= count) then
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return 0
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end
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-- buy, sell and config items need to be placed somewhere
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local trade_inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
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-- the players' inventory
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local player_inv = player:get_inventory()
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-- the NPCs' inventory
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local npc_inv = minetest.get_inventory({type="detached", name="yl_speak_up_npc_"..tostring(trade.n_id)})
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-- is the payment in the payment slot?
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if( not(trade_inv:contains_item("pay", trade.player_gives))
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-- is the item to be sold in the buy slot?
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or not(trade_inv:contains_item("buy", trade.npc_gives))
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-- has the NPC room for the payment?
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or not(npc_inv:room_for_item("npc_main", trade.player_gives))
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-- has the player room for the sold item?
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or not(player_inv:room_for_item("main", trade.npc_gives))) then
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-- trade not possible
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return 0
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end
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-- all ok; all items that are to be sold can be taken
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return ItemStack(trade.npc_gives):get_count()
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end
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-- actually execute the trade
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yl_speak_up.do_trade_simple = function(player, count)
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-- can the trade be made?
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if(not(yl_speak_up.can_trade_simple(player, count))) then
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return
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end
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local pname = player:get_player_name()
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-- which trade are we talking about?
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local trade = yl_speak_up.trade[pname]
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-- buy, sell and config items need to be placed somewhere
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local trade_inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
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-- the NPCs' inventory
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local npc_inv = minetest.get_inventory({type="detached", name="yl_speak_up_npc_"..tostring(trade.n_id)})
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-- the NPC sells these items right now, and the player is moving it to his inventory
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npc_inv:remove_item("npc_main", trade.npc_gives)
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-- move price items to the NPC
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local stack = trade_inv:remove_item("pay", trade.player_gives)
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npc_inv:add_item("npc_main", stack)
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-- save the inventory of the npc so that the payment does not get lost
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yl_speak_up.save_npc_inventory( trade.n_id )
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-- store for statistics how many times the player has executed this trade
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trade.trade_done = trade.trade_done + 1
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end
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-- simple trade: one item(stack) for another
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-- handles configuration of new trades and showing the formspec for trades;
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-- checks if payment and buying is possible
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yl_speak_up.get_fs_trade_simple = function(player, player_gives, npc_gives)
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if(not(player)) then
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return yl_speak_up.trade_fail_fs
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end
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local pname = player:get_player_name()
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-- which trade are we talking about?
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local trade = yl_speak_up.trade[pname]
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-- do we have all the necessary data?
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if(not(trade) or trade.trade_type ~= "trade_simple") then
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return yl_speak_up.trade_fail_fs
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end
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-- the common formspec, shared by actual trade and configuration
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-- no listring here as that would make things more complicated
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local formspec = "size[8.5,8]"..
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"label[4.35,0.8;"..minetest.formspec_escape(trade.npc_name).." sells:]"..
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"list[current_player;main;0.2,3.85;8,1;]"..
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"list[current_player;main;0.2,5.08;8,3;8]"
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-- configuration of a new trade happens here
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if(not(trade.player_gives) or not(trade.npc_gives)) then
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-- is this player allowed to edit the NPC and his trades? If not abort.
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if(not(yl_speak_up.may_edit_npc(player, trade.n_id))) then
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return formspec..
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"label[2.0,1.8;Ups! Something went wrong.]"..
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"button[6.2,1.6;2.0,0.9;abort_trade_simple;Back]"
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end
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return formspec..
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-- show the second slot of the setup inventory in the detached player's inv
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"list[detached:yl_speak_up_player_"..pname..";setup;2,1.5;1,1;]"..
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-- show the second slot of said inventory
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"list[detached:yl_speak_up_player_"..pname..";setup;5,1.5;1,1;1]"..
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"label[2.5,0.0;Configure trade with "..minetest.formspec_escape(trade.npc_name)..":]"..
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"label[1.5,0.8;The customer pays:]"..
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"label[1.5,2.8;Put items in the two slots and click on \"Store trade\".]"..
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"label[1.5,3.2;You will get your items back when storing the trade.]"..
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"button[0.2,1.6;1.0,0.9;abort_trade_simple;Abort]"..
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"button[6.2,1.6;2.0,0.9;store_trade_simple;Store trade]"..
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"tooltip[store_trade_simple;Click here to store this as a new trade. Your "..
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"items will be returned to you and the trade will be shown the way "..
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"the customer can see it.]"..
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"tooltip[abort_trade_simple;Abort setting up this new trade.]"
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end
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-- view for the customer when actually trading
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-- buy, sell and config items need to be placed somewhere
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local trade_inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
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-- the players' inventory
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local player_inv = player:get_inventory()
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-- the NPCs' inventory
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local npc_inv = minetest.get_inventory({type="detached", name="yl_speak_up_npc_"..tostring(trade.n_id)})
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-- show edit button for the owner
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if(yl_speak_up.may_edit_npc(player, trade.n_id)) then
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formspec = formspec..
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"button[0.2,1.6;0.8,0.9;edit_trade_simple;Edit]"..
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"tooltip[edit_trade_simple;Edit this trade. You can do so only "..
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"if you can edit the NPC as such (i.e. own it).]"
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end
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local trade_possible_msg = "Status of trade: Unknown."
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-- has the NPC room for the payment?
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if(not(npc_inv:room_for_item("npc_main", trade.player_gives))) then
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trade_possible_msg = "Sorry. "..minetest.formspec_escape(trade.npc_name)..
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" ran out of inventory space.\nThere is no room to store your payment!]"
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-- can the player pay?
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elseif(not(player_inv:contains_item("main", trade.player_gives))) then
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-- both slots will remain empty
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trade_possible_msg = "You cannot pay the price."
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-- is the slot for the payment empty?
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elseif not(trade_inv:is_empty("pay")) then
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-- both slots will remain empty
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-- (the slot may already contain the right things; we'll find that out later on)
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trade_possible_msg = "Please insert the right payment manually."
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-- all good so far; move the price stack to the pay slot
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else
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-- move price item to the price slot
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local stack = player_inv:remove_item("main", trade.player_gives)
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trade_inv:add_item("pay", stack)
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end
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-- make sure the sale slot is empty (we will fill it if the trade is possible)
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trade_inv:set_stack("buy", 1, "")
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-- after all this: does the payment slot contain the right things?
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if(trade_inv:contains_item("pay", trade.player_gives)) then
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trade_possible_msg = "Take the offered item(s) in order to buy them."
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-- can the NPC provide his part?
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if(not(npc_inv:contains_item("npc_main", trade.npc_gives))) then
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trade_possible_msg = "Sorry. "..minetest.formspec_escape(trade.npc_name)..
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" ran out of stock.\nPlease come back later."
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else
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-- put a *copy* of the item(stack) that is to be sold in the sale slot
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trade_inv:add_item("buy", trade.npc_gives)
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end
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end
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if(not(player_inv:room_for_item("main", trade.npc_gives))) then
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-- the player has no room for the sold item; give a warning
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trade_possible_msg = "Careful! You do not seem to have enough\n"..
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"free inventory space to store your purchase.]"
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end
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return formspec..
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"label[2.5,0.0;Trading with "..minetest.formspec_escape(trade.npc_name).."]"..
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"label[1.5,0.8;You pay:]"..
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-- show images of price and what is sold so that the player knows what
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-- it costs and what he will get even if the trade is not possible at
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-- that moment
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"item_image[1,1.5;1,1;"..tostring(trade.player_gives).."]"..
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"item_image[4,1.5;1,1;"..tostring(trade.npc_gives).."]"..
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-- show the pay slot from the detached player's trade inventory
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"list[detached:yl_speak_up_player_"..pname..";pay;2,1.5;1,1;]" ..
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-- show the buy slot from the same inventory
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"list[detached:yl_speak_up_player_"..pname..";buy;5,1.5;1,1;]" ..
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"label[1.5,2.8;"..trade_possible_msg.."]"..
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"button[6.2,1.6;2.0,0.9;finished_trading;Finish trading]"..
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"tooltip[finished_trading;Click here once you've traded enough with this "..
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"NPC and want to get back to talking.]"
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end
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-- create a detached inventory for the *player* for trading with the npcs
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minetest.register_on_joinplayer(function(player, last_login)
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local pname = player:get_player_name()
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-- create the detached inventory;
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-- the functions for monitoring changes will be important later on
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-- only the the player owning this detached inventory may access it
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local trade_inv = minetest.create_detached_inventory("yl_speak_up_player_"..tostring(pname), {
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-- moving of items between diffrent lists is not allowed
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allow_move = function(inv, from_list, from_index, to_list, to_index, count, player)
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if(not(player) or player:get_player_name() ~= pname) then
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return 0
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end
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if(from_list ~= to_list) then
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return 0
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end
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return count
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end,
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-- these all require calling special functions, depending on context
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allow_put = function(inv, listname, index, stack, player)
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if(not(player) or player:get_player_name() ~= pname) then
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return 0
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end
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-- the "buy" slot is managed by the NPC; the player only takes from it
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if(listname == "buy") then
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return 0
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end
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return stack:get_count()
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end,
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allow_take = function(inv, listname, index, stack, player)
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if(not(player) or player:get_player_name() ~= pname) then
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return 0
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end
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-- can the trade be made?
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if(listname == "buy") then
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return yl_speak_up.can_trade_simple(player, stack:get_count())
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end
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return stack:get_count()
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end,
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on_move = function(inv, from_list, from_index, to_list, to_index, count, player)
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end,
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on_put = function(inv, listname, index, stack, player)
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if(listname == "pay") then
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local pname = player:get_player_name()
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-- show formspec with updated information (perhaps sale is now possible)
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minetest.show_formspec(pname, "yl_speak_up:talk", yl_speak_up.get_fs_trade_simple(player))
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end
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end,
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on_take = function(inv, listname, index, stack, player)
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-- the player may have put something wrong in the payment slot
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-- -> show updated formspec
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if(listname == "pay") then
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local pname = player:get_player_name()
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-- show formspec with updated information (perhaps sale is now possible)
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minetest.show_formspec(pname, "yl_speak_up:talk", yl_speak_up.get_fs_trade_simple(player))
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elseif(listname == "buy") then
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yl_speak_up.do_trade_simple(player, stack:get_count())
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-- information may require an update (NPC might now be out of stock), or
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-- the player can do the trade a second time
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minetest.show_formspec(pname, "yl_speak_up:talk", yl_speak_up.get_fs_trade_simple(player))
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end
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end,
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})
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-- prepare the actual inventories
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trade_inv:set_size("pay", 1)
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trade_inv:set_size("buy", 1)
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-- for setting up new simple trades
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trade_inv:set_size("setup", 2*1)
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end)
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