gameplay: example money, money fountain, ped money drop and player ID systems

resources/[gameplay]/[examples]/money/client.lua

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+local moneyTypes = {
+    cash = `MP0_WALLET_BALANCE`,
+    bank = `BANK_BALANCE`,
+}
+
+RegisterNetEvent('money:displayUpdate')
+
+AddEventHandler('money:displayUpdate', function(type, money)
+    local stat = moneyTypes[type]
+    if not stat then return end
+    StatSetInt(stat, math.floor(money))
+end)
+
+TriggerServerEvent('money:requestDisplay')
+
+CreateThread(function()
+    while true do
+        Wait(0)
+
+        if IsControlJustPressed(0, 20) then
+            SetMultiplayerBankCash()
+            SetMultiplayerWalletCash()
+
+            Wait(4350)
+
+            RemoveMultiplayerBankCash()
+            RemoveMultiplayerWalletCash()
+        end
+    end
+end)

resources/[gameplay]/[examples]/money/fxmanifest.lua

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+version '1.0.0'
+description 'An example money system using KVS.'
+author 'Cfx.re <pr@fivem.net>'
+
+fx_version 'bodacious'
+game 'gta5'
+
+client_script 'client.lua'
+server_script 'server.lua'
+
+--dependency 'cfx.re/playerData.v1alpha1'
+lua54 'yes'

resources/[gameplay]/[examples]/money/server.lua

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+local playerData = exports['cfx.re/playerData.v1alpha1']
+
+local validMoneyTypes = {
+    bank = true,
+    cash = true,
+}
+
+local function getMoneyForId(playerId, moneyType)
+    return GetResourceKvpInt(('money:%s:%s'):format(playerId, moneyType)) / 100.0
+end
+
+local function setMoneyForId(playerId, moneyType, money)
+    local s = playerData:getPlayerById(playerId)
+
+    TriggerEvent('money:updated', {
+        dbId = playerId,
+        source = s,
+        moneyType = moneyType,
+        money = money
+    })
+
+    return SetResourceKvpInt(('money:%s:%s'):format(playerId, moneyType), math.tointeger(money * 100.0))
+end
+
+local function addMoneyForId(playerId, moneyType, amount)
+    local curMoney = getMoneyForId(playerId, moneyType)
+    curMoney += amount
+
+    if curMoney >= 0 then
+        setMoneyForId(playerId, moneyType, curMoney)
+        return true, curMoney
+    end
+
+    return false, 0
+end
+
+exports('addMoney', function(playerIdx, moneyType, amount)
+    amount = tonumber(amount)
+
+    if amount <= 0 or amount > (1 << 30) then
+        return false
+    end
+
+    if not validMoneyTypes[moneyType] then
+        return false
+    end
+
+    local playerId = playerData:getPlayerId(playerIdx)
+    local success, money = addMoneyForId(playerId, moneyType, amount)
+
+    if success then
+        Player(playerIdx).state['money_' .. moneyType] = money
+    end
+
+    return true
+end)
+
+exports('removeMoney', function(playerIdx, moneyType, amount)
+    amount = tonumber(amount)
+
+    if amount <= 0 or amount > (1 << 30) then
+        return false
+    end
+
+    if not validMoneyTypes[moneyType] then
+        return false
+    end
+
+    local playerId = playerData:getPlayerId(playerIdx)
+    local success, money = addMoneyForId(playerId, moneyType, -amount)
+
+    if success then
+        Player(playerIdx).state['money_' .. moneyType] = money
+    end
+
+    return success
+end)
+
+exports('getMoney', function(playerIdx, moneyType)
+    local playerId = playerData:getPlayerId(playerIdx)
+    return getMoneyForId(playerId, moneyType)
+end)
+
+-- player display bits
+AddEventHandler('money:updated', function(data)
+    if data.source then
+        TriggerClientEvent('money:displayUpdate', data.source, data.moneyType, data.money)
+    end
+end)
+
+RegisterNetEvent('money:requestDisplay')
+
+AddEventHandler('money:requestDisplay', function()
+    local source = source
+    local playerId = playerData:getPlayerId(source)
+
+    for type, _ in pairs(validMoneyTypes) do
+        local amount = getMoneyForId(playerId, type)
+        TriggerClientEvent('money:displayUpdate', source, type, amount)
+
+        Player(source).state['money_' .. type] = amount
+    end
+end)
+
+RegisterCommand('earn', function(source, args)
+    local type = args[1]
+    local amount = tonumber(args[2])
+
+    exports['money']:addMoney(source, type, amount)
+end, true)
+
+RegisterCommand('spend', function(source, args)
+    local type = args[1]
+    local amount = tonumber(args[2])
+
+    if not exports['money']:removeMoney(source, type, amount) then
+        print('you are broke??')
+    end
+end, true)