Payday 2 LuaJIT Lua Archive

https://github.com/steam-test1/payday-2-luajit-complete
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A complete Lua source code archive for Payday 2, decompiled and reconstructed from game updates,...
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### Player Upgrade and Message Registration Example

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Example demonstrating how to check for a player upgrade and register a message callback. This snippet shows conditional logic based on an upgrade and sets up a listener for game events.

```lua
-- Usage example: Check for skill and register message callback
if managers.player:has_category_upgrade("player", "messiah_revive_from_bleed_out") then
    self._messiah_charges = managers.player:upgrade_value("player", "messiah_revive_from_bleed_out", 0)
    self._message_system:register(Message.OnEnemyKilled, "messiah_revive_from_bleed_out",
        callback(self, self, "_on_messiah_event"))
end
```

--------------------------------

### MessageSystem Usage Example

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Demonstrates registering a listener for a specific message type and then notifying that message. This example shows how to set up event handling for 'OnEnemyKilled'.

```lua
-- Usage
local msg_system = MessageSystem:new()
msg_system:register(Message.OnEnemyKilled, "kill_tracker", function(enemy_unit, weapon)
    print("Enemy killed:", enemy_unit, "with", weapon)
end)
msg_system:notify(Message.OnEnemyKilled, nil, enemy_unit, weapon_used)
```

--------------------------------

### MoneyManager Usage Example

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Demonstrates how to retrieve the current total cash, format it for display, and apply a money multiplier. Assumes MoneyManager is initialized.

```lua
local cash = managers.money:total()
local cash_display = managers.money:total_string()  -- "$1,234,567"
managers.money:use_multiplier("bonus_weekend")
```

--------------------------------

### StateMachine Usage Example

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Demonstrates creating a StateMachine instance, adding a transition, and initiating a state change by name. Requires pre-defined states like IdleState and RunningState.

```lua
-- Usage example
local sm = StateMachine:new(IdleState:new())
sm:add_transition(idle_state, running_state, default_transition)
sm:change_state_by_name("running", { speed = 5 })
```

--------------------------------

### Setup Skill Switches

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the skill switch system, which allows players to save and load different skill loadouts. It sets default values for each switch.

```lua
function SkillTreeManager:_setup_skill_switches()
    self._global.skill_switches = {}
    for i = 1, #tweak_data.skilltree.skill_switches do
        self._global.skill_switches[i] = {
            specialization = false,
            unlocked = i == 1,
            points = Application:digest_value(0, true),
            trees = {},
            skills = {}
        }
    end
end
```

--------------------------------

### PlayerMovement Post Initialization

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Performs post-initialization setup for PlayerMovement, including camera references, navigation tracking, and attention handling. This should be called after the unit and its components are fully set up.

```lua
function PlayerMovement:post_init()
    self._m_head_rot = self._unit:camera()._m_cam_rot
    self._m_head_pos = self._unit:camera()._m_cam_pos

    if managers.navigation:is_data_ready() then
        self._nav_tracker = managers.navigation:create_nav_tracker(self._unit:position())
        self._pos_rsrv_id = managers.navigation:get_pos_reservation_id()
    end

    self:_setup_states()
    self._attention_handler = CharacterAttentionObject:new(self._unit, true)
end
```

--------------------------------

### Initialize StateMachine

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes a new StateMachine instance with a starting state and an optional shared transition queue. It immediately queues the initial state transition.

```lua
StateMachine = StateMachine or class()

function StateMachine:init(start_state, shared_queue)
    self._states = {}
    self._transitions = {}
    local init = InitState:new(self)
    self._states[init:name()] = init
    self._transitions[init] = {}
    self._transitions[init][start_state] = { init.default_transition }
    self._current_state = init
    self._transition_queue = shared_queue or StateMachineTransitionQueue:new()

    self._transition_queue:queue_transition(start_state, nil, self)
    self._transition_queue:do_state_change()
end
```

--------------------------------

### Setup HUD Workspaces

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Configures the different workspace layers for UI rendering within the HUDManager. Uses managers.gui_data to create saferect and fullscreen workspaces.

```lua
-- Setup workspace layers for UI rendering
function HUDManager:_setup_workspaces()
    self._workspaces = {
        overlay = {
            mid_saferect = managers.gui_data:create_saferect_workspace("screen", Overlay:gui()),
            fullscreen_workspace = managers.gui_data:create_fullscreen_16_9_workspace("screen", Overlay:gui()),
            saferect = managers.gui_data:create_saferect_workspace("screen", Overlay:gui()),
            workspace = managers.gui_data:create_fullscreen_workspace("screen", Overlay:gui())
        }
    }
end
```

--------------------------------

### Setup Armor Inventory

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the armor inventory within the global blackmarket data. Each armor type is set to owned, unlocked, and equipped by default based on the 'level_1' armor.

```lua
-- Setup armor inventory
function BlackMarketManager:_setup_armors()
    local armors = {}
    Global.blackmarket_manager.armors = armors

    for armor, _ in pairs(tweak_data.blackmarket.armors) do
        armors[armor] = {
            owned = false,
            unlocked = false,
            equipped = false
        }
    end
    armors[self._defaults.armor].owned = true
    armors[self._defaults.armor].equipped = true
    armors[self._defaults.armor].unlocked = true
end
```

--------------------------------

### Get Equipped Weapon Data

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the currently equipped primary, secondary, and melee weapons from the black market manager.

```lua
-- Get equipped weapon data
local primary = managers.blackmarket:equipped_primary()
local secondary = managers.blackmarket:equipped_secondary()
local melee = managers.blackmarket:equipped_melee_weapon()
```

--------------------------------

### Get Ghost Bonus Percentage

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the current active ghost bonus percentage from global data, formatted as a digestible value.

```lua
-- Get current ghost bonus percentage
function JobManager:get_ghost_bonus()
    return self._global.active_ghost_bonus and
           Application:digest_value(self._global.active_ghost_bonus, false) or 0
end
```

--------------------------------

### Get Corpse Limit

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the current corpse limit for AI enemies. This value can be modified by game mutators.

```lua
function EnemyManager:corpse_limit()
    local limit = self._MAX_NR_CORPSES
    limit = managers.mutators:modify_value("EnemyManager:corpse_limit", limit)
    return limit
end
```

--------------------------------

### Get Upgrade Value

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the value of a specific player upgrade, with an optional default value if the upgrade is not found. Used for accessing numerical or configuration values of upgrades.

```lua
-- Get upgrade value with optional default
function PlayerManager:upgrade_value(category, upgrade, default)
    local upgrade_data = self._global.upgrades[category]
    if upgrade_data and upgrade_data[upgrade] then
        return upgrade_data[upgrade]
    end
    return default
end
```

--------------------------------

### Check if Coroutine is Running

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Checks if a coroutine is currently active, either in the buffer waiting to start or already running in one of the priority levels.

```lua
function CoroutineManager:is_running(name)
    if self._buffer[name] then return true end
    for i = 1, #self._coroutines do
        if self._coroutines[i][name] then return true end
    end
    return false
end
```

--------------------------------

### Add Coroutine to Buffer

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Adds a coroutine to a buffer to be started in the next frame if it doesn't already exist in the buffer or active coroutines. Requires a 'Priority' field on the function and a 'Function' field for the actual coroutine code.

```lua
function CoroutineManager:add_coroutine(name, func, ...)
    local priority = func.Priority
    if not self._coroutines[priority][name] and not self._buffer[name] then
        self._buffer[name] = {
            name = name,
            func = func,
            arg = {...}
        }
    end
end
```

--------------------------------

### Initialize BlackMarketManager Class

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Sets up the BlackMarketManager class, defining default inventory items and initializing global data structures for armors, weapons, characters, etc.

```lua
BlackMarketManager = BlackMarketManager or class()

function BlackMarketManager:init()
    self:_setup()
end

function BlackMarketManager:_setup()
    self._defaults = {
        mask = "character_locked",
        armor = "level_1",
        armor_skin = "none",
        player_style = "none",
        glove_id = "default",
        grenade = "frag",
        melee_weapon = "weapon"
    }

    if not Global.blackmarket_manager then
        Global.blackmarket_manager = {}
        self:_setup_armors()
        self:_setup_weapons()
        self:_setup_characters()
        self:_setup_grenades()
        self:_setup_melee_weapons()
        self:_setup_armor_skins()
        Global.blackmarket_manager.inventory = {}
        Global.blackmarket_manager.crafted_items = {}
    end
    self._global = Global.blackmarket_manager
end
```

--------------------------------

### Initialize MessageSystem

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes a new MessageSystem instance with empty tables for listeners, message queues, and pending additions/removals. This sets up the system for event handling.

```lua
MessageSystem = MessageSystem or class()

function MessageSystem:init()
    self._listeners = {}
    self._remove_list = {}
    self._add_list = {}
    self._messages = {}
end
```

--------------------------------

### Initialize MoneyManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the MoneyManager, setting up the global financial state if it doesn't exist. This includes total cash, offshore funds, and spending records.

```lua
MoneyManager = MoneyManager or class()

function MoneyManager:init()
    self:_setup()
end

function MoneyManager:_setup()
    if not Global.money_manager then
        Global.money_manager = {
            total = Application:digest_value(0, true),
            total_collected = Application:digest_value(0, true),
            offshore = Application:digest_value(0, true),
            total_spent = Application:digest_value(0, true)
        }
    end
    self._global = Global.money_manager
    self._heist_total = 0
    self._stage_payout = 0
    self._job_payout = 0
    self._bag_payout = 0
end
```

--------------------------------

### Initialize JobManager Class

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Sets up the JobManager class and its global instance if not already present. Initializes job heat, containers, and ghost data.

```lua
JobManager = JobManager or class()
JobManager.JOB_HEAT_MAX_VALUE = 100

function JobManager:init()
    self:_setup()
end

function JobManager:_setup()
    if not Global.job_manager then
        Global.job_manager = {}
        self:_setup_job_heat()
        self:_setup_heat_job_containers()
        self:_setup_job_ghosts()
    end
    self._global = Global.job_manager
end
```

--------------------------------

### Initialize CameraManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the CameraManager and creates camera layers from templates. Requires a templates object with an interpreter class and a list of layer names.

```lua
CameraManager = CameraManager or class()

function CameraManager:init(templates)
    self._layers = {}
    self:create_layers(templates)
end
```

--------------------------------

### Initialize NetworkPeer

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes a NetworkPeer object with connection details and authentication flags. Sets up persistent RPC connection if an RPC object is provided.

```lua
NetworkPeer = NetworkPeer or class()
NetworkPeer.PRE_HANDSHAKE_CHK_TIME = 8

function NetworkPeer:init(name, rpc, id, loading, synced, in_lobby, character, user_id, account_type_str, account_id)
    self._name = name or managers.localization:text("menu_" .. tostring(character or "russian"))
    self._rpc = rpc
    self._id = id
    self._user_id = user_id
    self._account_type_str = account_type_str
    self._account_id = account_id or user_id

    -- Steam authentication setup
    self._need_steam_ticket = account_type_str == "STEAM" and
        (SystemInfo:distribution() == Idstring("STEAM") or
         SystemInfo:matchmaking() == Idstring("MM_STEAM"))

    if self._rpc then
        Network:set_connection_persistent(self._rpc, true)
        self._ip = self._rpc:ip_at_index(0)
    end

    self._profile = { outfit_string = "" }
    self._handshakes = {}
    self._streaming_status = 0
end
```

--------------------------------

### Initialize SkillTreeManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the SkillTreeManager, setting up the skill tree structure by parsing tweak data. It organizes skills by page for efficient access.

```lua
SkillTreeManager = SkillTreeManager or class()
SkillTreeManager.VERSION = 9

function SkillTreeManager:init()
    self:_setup()
    local skilltrees_tweak = tweak_data.skilltree.trees
    local pages = {}

    for tree, tree_data in ipairs(skilltrees_tweak) do
        pages[tree_data.skill] = pages[tree_data.skill] or {}
        table.insert(pages[tree_data.skill], tree)
    end
    self._pages = pages
end
```

--------------------------------

### Initialize Player Manager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the PlayerManager, setting up internal systems like CoroutineManager, MessageSystem, and PropertyManager. It also defines player states and initializes player data.

```lua
PlayerManager = PlayerManager or class()
PlayerManager.WEAPON_SLOTS = 2
PlayerManager.TARGET_COCAINE_AMOUNT = 1500

function PlayerManager:init()
    self._coroutine_mgr = CoroutineManager:new()
    self._message_system = MessageSystem:new()
    self._properties = PropertyManager:new()
    self._action_mgr = PlayerActionManager:new()
    self._temporary_properties = TemporaryPropertyManager:new()
    self._value_modifier = ValueModifier:new()
    self._players = {}
    self._nr_players = Global.nr_players or 1
    -- Player states mapping
    self._player_states = {
        standard = "ingame_standard",
        bleed_out = "ingame_bleed_out",
        incapacitated = "ingame_incapacitated",
        arrested = "ingame_arrested",
        mask_off = "ingame_mask_off",
        driving = "ingame_driving",
        tased = "ingame_electrified"
    }
end
```

--------------------------------

### Initialize HUDManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the HUDManager, setting up workspace sizes and UI components. Requires RenderSettings and viewport information.

```lua
-- HUD Manager initialization
HUDManager = HUDManager or class()
HUDManager.WAITING_SAFERECT = Idstring("guis/waiting_saferect")
HUDManager.STATS_SCREEN_SAFERECT = Idstring("guis/stats_screen/stats_screen_saferect_pd2")

function HUDManager:init()
    self._component_map = {}
    local safe_rect_pixels = managers.viewport:get_safe_rect_pixels()
    local res = RenderSettings.resolution

    self._workspace_size = { x = 0, y = 0, w = res.x, h = res.y }
    self._saferect_size = {
        x = safe_rect.x, y = safe_rect.y,
        w = safe_rect.width, h = safe_rect.height
    }

    self:_setup_workspaces()
    self._updators = {}
    self._sound_source = SoundDevice:create_source("hud")
    self._crosshair_visible = false
    self._crosshair_enabled = false
end
```

--------------------------------

### Begin Steam Ticket Authentication

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initiates Steam ticket authentication if the peer requires it. Returns true if Steam ticket is not needed or if the process begins successfully.

```lua
function NetworkPeer:begin_ticket_session(ticket)
    if self._need_steam_ticket then
        self._ticket_wait_response = true
        return Steam:begin_ticket_session(self._account_id, ticket,
            callback(self, self, "on_verify_ticket"))
    end
    return true
end
```

--------------------------------

### Add and Run Coroutine Immediately

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Creates, resumes, and manages a coroutine immediately. If the coroutine fails, an error is logged. If it's not 'dead' after resuming, it's added to the active coroutines.

```lua
function CoroutineManager:add_and_run_coroutine(name, func, ...)
    local arg = {...}
    local co = coroutine.create(func.Function)
    local result, error_msg = coroutine.resume(co, unpack(arg))

    if result == false then
        Application:error("Coroutine failed (" .. tostring(name) .. "): " .. error_msg)
    end

    if coroutine.status(co) ~= "dead" then
        self._coroutines[func.Priority][name] = { co = co, arg = arg }
    end
end
```

--------------------------------

### Create Camera Layers

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Creates camera layers based on provided templates. This function sets up the mixer for each layer and maps layer names to their respective mixer objects.

```lua
function CameraManager:create_layers(templates)
    self._layers = {}
    self._name_to_layer = {}
    self._templates = templates
    self._interpreter = templates._interpreter_class:new()

    for index, layer_name in ipairs(templates._layers) do
        local mixer = CoreCameraMixer.CameraMixer:new(layer_name)
        table.insert(self._layers, mixer)
        self._name_to_layer[layer_name] = mixer
    end
end
```

--------------------------------

### Initialize PlayerMovement

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the PlayerMovement component for a given unit. Sets up timers, animation state machine, and initial position/rotation. It also initializes stamina and rally skill data if applicable.

```lua
PlayerMovement = PlayerMovement or class()
PlayerMovement._STAMINA_INIT = tweak_data.player.movement_state.stamina.STAMINA_INIT or 10
PlayerMovement.OUT_OF_WORLD_Z = -4000

function PlayerMovement:init(unit)
    self._unit = unit
    unit:set_timer(managers.player:player_timer())
    unit:set_animation_timer(managers.player:player_timer())

    self._machine = self._unit:anim_state_machine()
    self._m_pos = unit:position()
    self._m_rot = unit:rotation()
    self._stamina = self:_max_stamina()

    -- Rally skill data for team support abilities
    if managers.player:has_category_upgrade("player", "morale_boost") then
        self._rally_skill_data = {
            range_sq = 810000,
            morale_boost_delay_t = 0,
            morale_boost_cooldown_t = tweak_data.upgrades.morale_boost_base_cooldown
        }
    end
end
```

--------------------------------

### Send Message Immediately with MessageSystem

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Sends a message immediately to all registered listeners for the specified message type, or to a specific listener if a UID is provided. This bypasses the message queue.

```lua
-- Send message immediately without queueing
function MessageSystem:notify_now(message, uid, ...)
    local arg = {...}
    if self._listeners[message] then
        if uid and self._listeners[message][uid] then
            self._listeners[message][uid](unpack(arg))
        else
            for key, value in pairs(self._listeners[message]) do
                value(unpack(arg))
            end
        end
    end
end
```

--------------------------------

### Queue Message for Delivery in MessageSystem

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Queues a message to be sent to listeners on the next update cycle. Any additional arguments are passed along with the message.

```lua
-- Queue a message for delivery on next update
function MessageSystem:notify(message, uid, ...)
    table.insert(self._messages, {
        message = message,
        uid = uid,
        arg = {...}
    })
end
```

--------------------------------

### Check and Spend Skill Points

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Demonstrates checking if a skill is unlocked and spending skill points for a specific skill. Requires the SkillTreeManager to be initialized.

```lua
local is_unlocked = managers.skilltree:skill_unlocked(nil, "mastermind", "leadership")
-- Spend skill points
managers.skilltree:spend_skill_points("mastermind", "leadership", 1)
```

--------------------------------

### Initialize CoroutineManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the CoroutineManager with a specified number of priority levels. Each level is an empty table to hold coroutines.

```lua
CoroutineManager = CoroutineManager or class()
CoroutineManager.Size = 16  -- Priority levels

function CoroutineManager:init()
    self._coroutines = {}
    self._buffer = {}
    for i = 1, CoroutineManager.Size do
        table.insert(self._coroutines, {})
    end
end
```

--------------------------------

### Initialize EnemyManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the EnemyManager, setting up timers, magazine limits, and corpse limits based on user settings or defaults. It also calls a method to initialize enemy-specific data.

```lua
EnemyManager = EnemyManager or class()

function EnemyManager:init()
    self._unit_clbk_key = "EnemyManager"
    self._timer = TimerManager:game()
    self._magazines = {}
    self._MAX_MAGAZINES = 30
    self._MAX_NR_CORPSES = managers.user:get_setting("corpse_limit") or 8
    self._MAX_NR_SHIELDS = 8

    self:_init_enemy_data()
end
```

--------------------------------

### Initialize MissionManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Initializes the MissionManager, extending CoreMissionManager. Registers area instigator categories and global events for trigger detection.

```lua
-- Mission Manager extends CoreMissionManager
MissionManager = MissionManager or class(CoreMissionManager.MissionManager)

function MissionManager:init(...)
    MissionManager.super.init(self, ...)

    -- Register area instigator categories for trigger detection
    self:add_area_instigator_categories("player")
    self:add_area_instigator_categories("enemies")
    self:add_area_instigator_categories("civilians")
    self:add_area_instigator_categories("loot")
    self:add_area_instigator_categories("hostages")
    self:add_area_instigator_categories("vehicle")

    self:set_default_area_instigator("player")

    -- Register global events for mission triggers
    self:set_global_event_list({
        "start_assault",
        "end_assault",
        "police_called",
        "police_weapons_hot",
        "civilian_killed",
        "loot_lost",
        "pku_gold",
        "pku_money",
        "pku_jewelry"
    })
end
```

--------------------------------

### Check Current Job and Stage

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the current job ID, stage, and a flag indicating if it's the last stage.

```lua
-- Check current job and stage
local job_id = managers.job:current_job_id()
local stage = managers.job:current_stage()
local is_last_stage = managers.job:on_last_stage()
```

--------------------------------

### Apply Money Multiplier

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Applies a money multiplier to the player's earnings. It checks if the multiplier exists in the tweak data before applying it.

```lua
function MoneyManager:use_multiplier(multiplier)
    if tweak_data.money_manager.multipliers[multiplier] then
        self._active_multipliers[multiplier] = tweak_data.money_manager.multipliers[multiplier]
    end
end
```

--------------------------------

### Queue State Change in StateMachine

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Queues a request to change to a new state if the transition is valid. The actual state change is handled by the transition queue.

```lua
-- Change to a new state
function StateMachine:change_state(state, params)
    if self:can_change_state(state) then
        self._transition_queue:queue_transition(state, params, self)
    end
end
```

--------------------------------

### Activate Mission Objective

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Activates a mission objective with provided data, including an ID, text description, and required amount. Uses the managers.mission API.

```lua
-- Example: Creating an objective element
local objective_data = {
    id = "secure_loot",
    text = "Secure the loot",
    amount = 4
}
managers.mission:activate_objective(objective_data)
```

--------------------------------

### Load Mission Elements

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Loads mission element scripts using require statements. These elements handle specific functionalities within a mission.

```lua
-- Mission elements are loaded via require statements
require("lib/managers/mission/ElementObjective")
require("lib/managers/mission/ElementWaypoint")
require("lib/managers/mission/ElementSpawnEnemyGroup")
require("lib/managers/mission/ElementAreaTrigger")
require("lib/managers/mission/ElementExplosion")
```

--------------------------------

### Set RPC Connection for NetworkPeer

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Updates the RPC connection for a NetworkPeer and configures it for persistence. Sets the IP address and connection ID.

```lua
function NetworkPeer:set_rpc(rpc)
    self._rpc = rpc
    if self._rpc then
        Network:set_connection_persistent(rpc, true)
        self._ip = self._rpc:ip_at_index(0)
        Network:set_connection_id(self._rpc, self._id)
    end
end
```

--------------------------------

### Register Listener with MessageSystem

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Registers a listener function for a specific message type and unique identifier. Listeners are added to a pending list and processed on the next update.

```lua
-- Register a listener for a message type
function MessageSystem:register(message, uid, func)
    table.insert(self._add_list, {
        message = message,
        uid = uid,
        func = func
    })
end
```

--------------------------------

### Queue Task for EnemyManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Queues a task to be executed later by the EnemyManager. Tasks are processed during the update cycle.

```lua
function EnemyManager:queue_task(task_id, func, data, execute_time)
    -- Tasks are queued and executed during update
end
```

--------------------------------

### Accumulate Ghost Bonus

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Calculates and returns the ghost bonus for a completed stage if the job is active and not the safehouse. Requires stealth mode to be active.

```lua
-- Ghost bonus system for stealth completion
function JobManager:accumulate_ghost_bonus()
    if self:has_active_job() and self:current_job_id() ~= "safehouse" then
        local stage_data = self:current_stage_data()
        local ghost_success = managers.groupai and managers.groupai:state():whisper_mode()
        local ghost_bonus = stage_data and stage_data.ghost_bonus or
                           tweak_data.narrative.DEFAULT_GHOST_BONUS or 0

        if self:stage_success() and ghost_success then
            -- Add bonus to accumulated total
            return ghost_bonus
        end
    end
    return 0
end
```

--------------------------------

### View Specific Camera

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Switches the view to a specified camera, handling blending and ensuring a new camera is created if necessary. It calculates blend time based on the active camera or default settings.

```lua
function CameraManager:view_camera(camera_name, force_new_camera)
    local layer_name = self:get_camera_layer(camera_name)
    local mixer = self._name_to_layer[layer_name]
    local active_camera = mixer:active_camera()

    if active_camera and not force_new_camera and active_camera:name() == camera_name then
        return active_camera
    end

    local camera = self:create_camera(camera_name, self._unit)
    local blend_time = active_camera and camera:transition_blend(active_camera) or camera:default_blend()

    mixer:add_camera(camera, blend_time)
    return camera
end
```

--------------------------------

### Format Money String

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Formats the total amount of money into a human-readable string with currency symbols and thousand separators. It handles reversing the string for easier processing.

```lua
function MoneyManager:total_string()
    local total = math.round(self:total())
    -- Format with thousand separators
    local reverse = string.reverse(tostring(total))
    local s = ""
    for i = 1, string.len(reverse) do
        s = s .. string.sub(reverse, i, i) ..
            (math.mod(i, 3) == 0 and i ~= string.len(reverse) and self._cash_tousand_separator or "")
    end
    return self._cash_sign .. string.reverse(s)
end
```

--------------------------------

### Access Multiplayer Session Peers

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the current network session and specific peers within it, including the host and the local peer.

```lua
local session = managers.network:session()
local host = session:peer(1)
local local_peer = session:local_peer()
```

--------------------------------

### Add and Set HUD Item Amount

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Adds an item to the HUD display with a specified amount and icon, or updates the amount of an existing item by its index.

```lua
-- Add item to HUD display
managers.hud:add_item({ amount = 5, icon = "equipment_ammo_bag" })
managers.hud:set_item_amount(index, new_amount)
```

--------------------------------

### Unregister Listener from MessageSystem

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Marks a listener for removal from a specific message type. The actual removal occurs during the next update cycle.

```lua
-- Unregister a listener
function MessageSystem:unregister(message, uid)
    table.insert(self._remove_list, {
        message = message,
        uid = uid
    })
end
```

--------------------------------

### Process Messages in MessageSystem

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Processes all queued messages and applies any pending listener additions or removals. This method must be called each frame to ensure events are handled.

```lua
-- Must be called each frame to process messages
function MessageSystem:update()
    self:flush()
    self:_notify()
end
```

--------------------------------

### Add State Transition to StateMachine

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Adds a new transition rule between two states. This function ensures both states are registered and defines the transition function and an optional condition for the transition.

```lua
-- Add a state transition
function StateMachine:add_transition(from, to, trans_func, condition)
    self._states[from:name()] = from
    self._states[to:name()] = to
    self._transitions[from] = self._transitions[from] or {}
    self._transitions[from][to] = { trans_func, condition }
end
```

--------------------------------

### Calculate Skill Cost

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Calculates the cost of a skill based on its tier and current level. The costs are defined in a predefined table.

```lua
function SkillTreeManager:skill_cost(tier, skill_level, skill_cost)
    local costs = {
        {1, 3},  -- Tier 1: basic=1, ace=3
        {2, 4},  -- Tier 2: basic=2, ace=4
        {3, 6},  -- Tier 3: basic=3, ace=6
        {4, 8}   -- Tier 4: basic=4, ace=8
    }
    return costs[tier][skill_level]
end
```

--------------------------------

### Check StateMachine Transition Validity

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Determines if a state change to the specified state is valid based on the current state and defined transitions. It checks against the last queued state or the current state.

```lua
-- Check if state change is valid
function StateMachine:can_change_state(state)
    local state_from = self._transition_queue:last_queued_state(self) or self._current_state
    local valid_transitions = self._transitions[state_from]
    return valid_transitions and valid_transitions[state] ~= nil
end
```

--------------------------------

### Access Player Movement State

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Retrieves the player unit, its movement component, and the current movement state. This is a common pattern for accessing player-related information.

```lua
local player_unit = managers.player:player_unit()
local movement = player_unit:movement()
local current_state = movement:current_state()
```

--------------------------------

### Check Player Upgrade

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Checks if a player has a specific upgrade within a given category. This is useful for determining if certain abilities or bonuses are unlocked.

```lua
-- Check if player has a specific upgrade
function PlayerManager:has_category_upgrade(category, upgrade)
    -- Returns true if player has unlocked the specified upgrade
    return self._global.upgrades[category] and self._global.upgrades[category][upgrade]
end
```

--------------------------------

### Warp Player to Position

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Warps the player unit to a specified position and rotation. Optionally applies a velocity to the unit after warping.

```lua
function PlayerMovement:warp_to(pos, rot, velocity)
    self._unit:warp_to(rot, pos)
    if velocity then
        self:push(velocity)
    end
end
```

--------------------------------

### Toggle HUD Visibility

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Enables or disables the HUD by setting a global flag and an internal state. Use set_enabled() to show and set_disabled() to hide HUD elements.

```lua
-- Toggle HUD visibility
function HUDManager:set_enabled()
    Global.hud_disabled = false
    self._disabled = false
    -- Show all hideable HUD elements
end

function HUDManager:set_disabled()
    Global.hud_disabled = true
    self._disabled = true
    -- Hide all hideable HUD elements
end
```

--------------------------------

### Update Graphics LOD

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Manages the level of detail (LOD) for enemy graphics to optimize performance. It considers camera rotation and player position.

```lua
function EnemyManager:_update_gfx_lod()
    local camera_rot = managers.viewport:get_current_camera_rotation()
    local player = managers.player:player_unit()
    -- Update enemy visibility based on camera position and occlusion
end
```

--------------------------------

### Stop All Camera Layers

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Stops all active camera layers managed by the CameraManager. This is useful for resetting the camera system.

```lua
function CameraManager:stop_all_layers()
    for index, layer in ipairs(self._layers) do
        layer:stop()
    end
end
```

--------------------------------

### Update Active Coroutines

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Resumes all active coroutines. Coroutines that finish execution are removed. This method also handles adding coroutines from the buffer.

```lua
function CoroutineManager:update(t, dt)
    self:_add()
    for i = 1, #self._coroutines do
        for key, value in pairs(self._coroutines[i]) do
            if value then
                local result, error_msg = coroutine.resume(value.co, unpack(value.arg))
                if coroutine.status(value.co) == "dead" then
                    self._coroutines[i][key] = nil
                end
            end
        end
    end
end
```

--------------------------------

### Update EnemyManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Updates the EnemyManager by handling graphics LOD, executing queued tasks, and managing AI behavior. This function is called every frame.

```lua
function EnemyManager:update(t, dt)
    self._queued_task_executed = false
    self:_update_gfx_lod()
    self:_update_queued_tasks(t, dt)
end
```

--------------------------------

### Unqueue Task from EnemyManager

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Removes a pending task from the EnemyManager's queue.

```lua
function EnemyManager:unqueue_task(task_id)
    -- Remove task from queue
end
```

--------------------------------

### Update StateMachine Current State

Source: https://context7.com/steam-test1/payday-2-luajit-complete/llms.txt

Calls the update method of the current state if it exists. This is typically called each frame to process state-specific logic.

```lua
-- Update current state
function StateMachine:update(t, dt)
    if self._current_state.update then
        self._current_state:update(t, dt)
    end
end
```
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