init repo

api.lua

@@ -0,0 +1,108 @@
+--- Server Shops API
+--
+-- @topic api.lua
+
+
+local ss = server_shop
+local S = core.get_translator(ss.modname)
+
+local registered_currencies = {}
+ss.currency_suffix = nil
+
+ss.currency_is_registered = function()
+	for k, v in pairs(registered_currencies) do return true end
+	return false
+end
+
+ss.get_currencies = function()
+	return table.copy(registered_currencies)
+end
+
+ss.register_currency = function(item, value)
+	if not core.registered_items[item] then
+		ss.log("warning", "Registriere unbekanntes Item als Währung: " .. item)
+	end
+	value = tonumber(value)
+	if not value or value <= 0 then
+		ss.log("error", "Währungswert für " .. item .. " muss eine positive Zahl sein.")
+		return
+	end
+	registered_currencies[item] = value
+	ss.log("action", item .. " als Währung mit Wert " .. value .. " registriert.")
+end
+
+if ss.use_currency_defaults then
+	if not core.get_modpath("currency") then
+		ss.log("warning", "Mod 'currency' nicht gefunden, Standardwährung wird nicht geladen.")
+	else
+		local all_currency = {
+			{"currency:minegeld", 100}, {"currency:minegeld_5", 500},
+			{"currency:minegeld_10", 1000}, {"currency:minegeld_50", 5000},
+			{"currency:minegeld_100", 10000}, {"currency:minegeld_cent_5", 5},
+			{"currency:minegeld_cent_10", 10}, {"currency:minegeld_cent_25", 25},
+		}
+		for _, c in ipairs(all_currency) do
+			ss.register_currency(c[1], c[2])
+		end
+		ss.currency_suffix = "MG"
+	end
+end
+
+ss.get_shop = function(pos)
+	if not pos then return nil end
+	local meta = core.get_meta(pos)
+	if meta:get_string("owner") == "" then return nil end
+
+	return {
+		name     = meta:get_string("name"),
+		owner    = meta:get_string("owner"),
+		prices   = core.deserialize(meta:get_string("prices")) or {},
+		inv      = meta:get_inventory(),
+	}
+end
+
+ss.update_infotext = function(pos)
+	local shop = ss.get_shop(pos)
+	if not shop then return end
+
+	local text = shop.name
+	local inv_list = shop.inv:get_list("main")
+	local inv_size = shop.inv:get_size("main")
+
+	for i=1, inv_size do
+		local item = inv_list[i]
+		local price_int = shop.prices[i]
+		if not item:is_empty() and price_int and price_int > 0 then
+			local count = item:get_count()
+			local description = item:get_description()
+			local price_str = string.format("%.2f", price_int / 100)
+			
+			text = text .. "\n" .. count .. "x " .. description .. ": " .. price_str .. " " .. (ss.currency_suffix or "")
+		end
+	end
+	
+	core.get_meta(pos):set_string("infotext", text)
+
+	local pos_top = {x=pos.x, y=pos.y + 1, z=pos.z}
+	if core.get_node(pos_top).name == ss.modname..":shop_large_top" then
+		core.get_meta(pos_top):set_string("infotext", text)
+	end
+end
+
+
+ss.is_shop_admin = function(player)
+	if not player then return false end
+	return core.check_player_privs(player, "server")
+end
+
+ss.is_shop_owner = function(pos, player)
+	if not player or not pos then
+		return false
+	end
+
+	local player_name = player:get_player_name()
+	local meta = core.get_meta(pos)
+	local owner_name = meta:get_string("owner")
+	local is_owner = (player_name == owner_name)
+	return is_owner
+end