Trade: Fully supported custom trading (for now).
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zorman2000
parent
1417e35ffb
commit
f476f162f6
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@ -16,7 +16,8 @@ npc.trade.DEDICATED_MAX_BUY_AMOUNT = 5
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-- This table holds all responses for trades
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npc.trade.results = {
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single_trade_offer = {},
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trade_offers = {}
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trade_offers = {},
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custom_trade_offer = {}
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}
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-- This is the text to be shown each time the NPC has more
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@ -114,7 +115,7 @@ function npc.trade.show_trade_offer_formspec(self, player, offer_type)
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"label[2,0.1;"..self.nametag..prompt_string.."]"..
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"item_image_button[2,1.3;1.2,1.2;"..trade_offer.item..";item;]"..
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"label[3.75,1.75;"..for_string.."]"..
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"item_image_button[4.8,1.3;1.2,1.2;"..trade_offer.price..";price;]"..
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"item_image_button[4.8,1.3;1.2,1.2;"..trade_offer.price[1]..";price;]"..
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"button_exit[1,3.3;2.9,0.5;yes_option;"..buy_sell_string.."]"..
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"button_exit[4.1,3.3;2.9,0.5;no_option;"..npc.dialogue.NEGATIVE_ANSWER_LABEL.."]"
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@ -150,7 +151,7 @@ function npc.trade.show_dedicated_trade_formspec(self, player, offers_type)
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default.gui_slots..
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"label[0.2,0.05;Click on the price button to "..menu_offer_type.." item]"
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for i = 1, #offers do
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local price_item_name = minetest.registered_items[npc.get_item_name(offers[i].price)].description
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local price_item_name = minetest.registered_items[npc.get_item_name(offers[i].price[1])].description
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local count_label = ""
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if npc.get_item_count(offers[i].item) > 1 then
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count_label = "label["..(current_x + 1.35)..","..(current_y + 1)..";"..npc.get_item_count(offers[i].item).."]"
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@ -159,7 +160,7 @@ function npc.trade.show_dedicated_trade_formspec(self, player, offers_type)
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"box["..current_x..","..current_y..";2,2.3;#212121]"..
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"item_image["..(current_x + 0.45)..","..(current_y + 0.15)..";1.3,1.3;"..npc.get_item_name(offers[i].item).."]"..
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count_label..
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"item_image_button["..(current_x + 1.15)..","..(current_y + 1.4)..";1,1;"..offers[i].price..";price"..i..";]"..
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"item_image_button["..(current_x + 1.15)..","..(current_y + 1.4)..";1,1;"..offers[i].price[1]..";price"..i..";]"..
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"label["..(current_x + 0.15)..","..(current_y + 1.7)..";Price]"
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current_x = current_x + 2.1
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current_col = current_col + 1
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@ -228,12 +229,12 @@ function npc.trade.show_custom_trade_offer(self, player, offer)
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"button_exit[4.1,3.3;2.9,0.5;no_option;"..npc.dialogue.NEGATIVE_ANSWER_LABEL.."]"
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-- Create entry into results table
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npc.trade.results.single_trade_offer[player:get_player_name()] = {
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trade_offer = trade_offer,
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npc.trade.results.custom_trade_offer[player:get_player_name()] = {
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trade_offer = offer,
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npc = self
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}
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-- Show formspec to player
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minetest.show_formspec(player:get_player_name(), "advanced_npc:trade_offer", formspec)
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minetest.show_formspec(player:get_player_name(), "advanced_npc:custom_trade_offer", formspec)
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end
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function npc.trade.get_random_trade_status()
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@ -456,10 +457,11 @@ function npc.trade.create_offer(offer_type, item, price, min_price_item_count, c
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..tostring( min_price_item_count * count )
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-- Build the return object
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-- Price is always an array, in this case of size 1
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result = {
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offer_type = offer_type,
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item = item.." "..count,
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price = price_string
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price = {[1] = price_string}
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}
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else
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-- Make sell offer, NPC will sell items to player at regular price
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@ -471,10 +473,11 @@ function npc.trade.create_offer(offer_type, item, price, min_price_item_count, c
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end
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local price_string = price_object.tier.." "..tostring(price_object.count * count)
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-- Build return object
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-- Price is always an array, in this case of size 1
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result = {
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offer_type = offer_type,
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item = npc.get_item_name(item).." "..count,
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price = price_string
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price = {[1] = price_string}
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}
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end
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@ -506,7 +509,11 @@ end
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function npc.trade.perform_trade(self, player_name, offer)
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local item_stack = ItemStack(offer.item)
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local price_stack = ItemStack(offer.price)
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-- Create item stacks for each price item
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local price_stacks = {}
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for i = 1, #offer.price do
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table.insert(price_stacks, ItemStack(offer.price[i]))
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end
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local inv = minetest.get_inventory({type = "player", name = player_name})
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-- Check if offer is a buy or sell
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@ -518,12 +525,16 @@ function npc.trade.perform_trade(self, player_name, offer)
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if inv:room_for_item("main", price_stack) then
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-- Remove item from player
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inv:remove_item("main", item_stack)
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-- Remove price item from NPC
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npc.take_item_from_inventory_itemstring(self, offer.price)
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-- Remove price item(s) from NPC
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for i = 1, #price_stacks do
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npc.take_item_from_inventory_itemstring(self, price_stacks[i])
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end
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-- Add item to NPC's inventory
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npc.add_item_to_inventory_itemstring(self, offer.item)
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-- Add price items to player
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inv:add_item("main", price_stack)
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for i = 1, #price_stacks do
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inv:add_item("main", price_stacks[i])
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end
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-- Send message to player
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minetest.chat_send_player(player_name, "Thank you!")
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return true
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@ -538,18 +549,22 @@ function npc.trade.perform_trade(self, player_name, offer)
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end
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else
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-- If NPC is selling to the player, then player gives price and gets
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-- item, NPC loses item and gets price
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-- item, NPC loses item and gets price.
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-- Check NPC has the required item to pay
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if inv:contains_item("main", price_stack) then
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-- Check if there is enough room to add the item to player
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if inv:room_for_item("main", item_stack) then
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-- Remove price item from player
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inv:remove_item("main", price_stack)
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for i = 1, #price_stacks do
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inv:remove_item("main", price_stacks[i])
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end
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-- Remove sell item from NPC
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npc.take_item_from_inventory_itemstring(self, offer.item)
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-- Add item to NPC's inventory
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npc.add_item_to_inventory_itemstring(self, offer.price)
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-- Add price items to player
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-- Add price to NPC's inventory
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for i = 1, #offer.price do
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npc.add_item_to_inventory_itemstring(self, offer.price[i])
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end
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-- Add item items to player
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inv:add_item("main", item_stack)
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-- Send message to player
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minetest.chat_send_player(player_name, "Thank you!")
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@ -630,5 +645,21 @@ minetest.register_on_player_receive_fields(function (player, formname, fields)
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end
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end
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end
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elseif formname == "advanced_npc:custom_trade_offer" then
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-- Handle custom trade formspec
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local player_name = player:get_player_name()
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if fields then
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local player_response = npc.trade.results.custom_trade_offer[player_name]
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-- Unlock the action timer
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npc.unlock_actions(player_response.npc)
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if fields.yes_option then
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npc.trade.perform_trade(player_response.npc, player_name, player_response.trade_offer)
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elseif fields.no_option then
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minetest.chat_send_player(player_name, "Talk to me if you change your mind!")
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end
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end
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end
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end)
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