Trading: Hide left/right button if end of list
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Wuzzy
parent
cca841e459
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3e8ca5a1ca
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@ -329,6 +329,21 @@ for id, _ in pairs(professions) do
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table.insert(profession_names, id)
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end
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local update_max_tradenum = function(self)
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if not self._trades then
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return
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end
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local trades = minetest.deserialize(self._trades)
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for t=1, #trades do
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local trade = trades[t]
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if trade.tier > self._max_trade_tier then
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self._max_tradenum = t - 1
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return
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end
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end
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self._max_tradenum = #trades
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end
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local init_profession = function(self)
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if not self._profession then
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-- Select random profession from all professions with matching clothing
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@ -397,20 +412,16 @@ local set_trade = function(trader, player, inv, concrete_tradenum)
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return
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end
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end
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local name = player:get_player_name()
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if concrete_tradenum > #trades then
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concrete_tradenum = 1
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player_tradenum[player:get_player_name()] = concrete_tradenum
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-- Stop tradenum from advancing into locked tiers or out-of-range areas
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if concrete_tradenum > trader._max_tradenum then
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concrete_tradenum = trader._max_tradenum
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elseif concrete_tradenum < 1 then
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concrete_tradenum = #trades
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player_tradenum[player:get_player_name()] = concrete_tradenum
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end
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local trade = trades[concrete_tradenum]
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if trader._max_trade_tier < trade.tier then
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concrete_tradenum = 1
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player_tradenum[player:get_player_name()] = concrete_tradenum
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trade = trades[concrete_tradenum]
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end
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player_tradenum[name] = concrete_tradenum
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local trade = trades[concrete_tradenum]
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inv:set_stack("wanted", 1, ItemStack(trade.wanted[1]))
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inv:set_stack("offered", 1, ItemStack(trade.offered))
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if trade.wanted[2] then
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@ -439,6 +450,17 @@ local function show_trade_formspec(playername, trader, tradenum)
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end
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local tradeinv_name = "mobs_mc:trade_"..playername
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local tradeinv = minetest.formspec_escape("detached:"..tradeinv_name)
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local b_prev, b_next = "", ""
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if #trades > 1 then
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if tradenum > 1 then
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b_prev = "button[1,1;0.5,1;prev_trade;<]"
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end
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if tradenum < trader._max_tradenum then
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b_next = "button[7.26,1;0.5,1;next_trade;>]"
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end
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end
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local formspec =
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"size[9,8.75]"
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.."background[-0.19,-0.25;9.41,9.49;mobs_mc_trading_formspec_bg.png]"
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@ -447,8 +469,7 @@ local function show_trade_formspec(playername, trader, tradenum)
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.."label[4,0;"..minetest.formspec_escape(profession).."]"
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.."list[current_player;main;0,4.5;9,3;9]"
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.."list[current_player;main;0,7.74;9,1;]"
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.."button[1,1;0.5,1;prev_trade;<]"
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.."button[7.26,1;0.5,1;next_trade;>]"
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..b_prev..b_next
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.."list["..tradeinv..";wanted;2,1;2,1;]"
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.."list["..tradeinv..";offered;5.76,1;1,1;]"
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.."list["..tradeinv..";input;2,2.5;2,1;]"
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@ -602,6 +623,7 @@ mobs:register_mob("mobs_mc:villager", {
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if self._trades == nil then
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init_trades(self)
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end
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update_max_tradenum(self)
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if self._trades == false then
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-- Villager has no trades, rightclick is a no-op
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return
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@ -611,8 +633,7 @@ mobs:register_mob("mobs_mc:villager", {
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local inv = minetest.get_inventory({type="detached", name="mobs_mc:trade_"..name})
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player_tradenum[name] = 1
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set_trade(self, clicker, inv, player_tradenum[name], player_tradenum[name])
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set_trade(self, clicker, inv, 1)
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show_trade_formspec(name, self)
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end,
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@ -669,7 +690,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
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if fields.quit then
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return_fields(player)
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player_trading_with[name] = nil
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elseif fields.next_trade then
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elseif fields.next_trade or fields.prev_trade then
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local trader = player_trading_with[name]
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if not trader or not trader.object:get_luaentity() then
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return
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@ -678,23 +699,13 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
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if not trades then
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return
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end
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player_tradenum[name] = player_tradenum[name] + 1
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local inv = minetest.get_inventory({type="detached", name="mobs_mc:trade_"..name})
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set_trade(trader, player, inv, player_tradenum[name])
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update_offer(inv, player, false)
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show_trade_formspec(name, trader, player_tradenum[name])
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elseif fields.prev_trade then
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local trader = player_trading_with[name]
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if not trader or not trader.object:get_luaentity() then
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return
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local dir = 1
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if fields.prev_trade then
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dir = -1
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end
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local trades = trader._trades
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if not trades then
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return
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end
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player_tradenum[name] = player_tradenum[name] - 1
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local tradenum = player_tradenum[name] + dir
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local inv = minetest.get_inventory({type="detached", name="mobs_mc:trade_"..name})
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set_trade(trader, player, inv, player_tradenum[name])
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set_trade(trader, player, inv, tradenum)
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update_offer(inv, player, false)
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show_trade_formspec(name, trader, player_tradenum[name])
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end
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@ -835,6 +846,8 @@ local trade_inventory = {
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-- First-time trade unlock all trades and unlock next trade tier
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if trade.tier + 1 > trader._max_trade_tier then
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trader._max_trade_tier = trader._max_trade_tier + 1
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update_max_tradenum(trader)
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show_trade_formspec(name, trader, tradenum)
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end
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for t=1, #trades do
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trades[t].locked = false
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