### C++ Weapon System Examples

Source: https://context7.com/accesssq/scripts/llms.txt

Illustrates weapon class definition with finite state machine integration and provides examples for spawning loaded weapons and handling weapon firing states. Relies on Weapon_Base, Magazine, and WeaponFSM classes.

```c++
// 4_World/Entities/Firearms/Weapon_Base.c
class Weapon_Base extends Weapon
{
    const int SAMF_DEFAULT = WeaponWithAmmoFlags.CHAMBER | WeaponWithAmmoFlags.MAX_CAPACITY_MAG;
    const int SAMF_RNG = WeaponWithAmmoFlags.CHAMBER_RNG | WeaponWithAmmoFlags.QUANTITY_RNG;

    protected ref WeaponFSM m_fsm;
    protected bool m_isJammed = false;
    protected bool m_Charged = false;
    protected int m_BurstCount;
    protected float m_ChanceToJamSync = 0;
}

// Spawn weapon with ammunition
void SpawnLoadedWeapon(vector position)
{
    // Spawn M4A1 with full magazine and chambered round
    Weapon_Base weapon = Weapon_Base.Cast(
        GetGame().CreateObjectEx("M4A1", position, ECE_PLACE_ON_SURFACE)
    );

    if (weapon)
    {
        // Attach magazine
        Magazine mag = Magazine.Cast(
            GetGame().CreateObject("Mag_STANAG_30Rnd", vector.Zero)
        );
        if (mag)
        {
            mag.ServerSetAmmoCount(30); // Full magazine
            weapon.GetInventory().AttachAttachment(mag);
        }

        // Chamber a round
        weapon.PushAnimation(WeaponActions.CHAMBER);

        // Attach optics and suppressor
        weapon.GetInventory().CreateAttachment("M4_T3NRDSOptic");
        weapon.GetInventory().CreateAttachment("M4_Suppressor");

        Print("M4A1 spawned fully loaded at: " + position);
    }
}

// Check weapon state and fire
void FireWeaponExample(PlayerBase player, Weapon_Base weapon)
{
    if (weapon.IsChamberFiredOut())
    {
        Print("Weapon chamber is empty");
        weapon.Reload(player);
        return;
    }

    if (weapon.IsJammed())
    {
        Print("Weapon is jammed!");
        weapon.EjectCartridge();
        return;
    }

    // Fire the weapon
    weapon.Fire(player);
    Print("Weapon fired. Remaining ammo: " + weapon.GetCurrentMuzzle().GetAmmoCount());
}
```

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

### Implement Mission System Base and Gameplay (C++)

Source: https://context7.com/accesssq/scripts/llms.txt

This C++ code defines a base mission class and a custom gameplay mission. The base class handles initialization, event dispatching, and game module setup. The gameplay mission overrides initialization and start methods to set player position and starting inventory.

```c
class MissionBase extends MissionBaseWorld
{
    ref PluginDeveloper m_ModuleDeveloper;
    ref WorldData m_WorldData;
    ref WorldLighting m_WorldLighting;

    void MissionBase()
    {
        SetDispatcher(new DispatcherCaller);
        PluginManagerInit();

        m_WidgetEventHandler = new WidgetEventHandler();
        m_InventoryDropCallback = new EntityPlacementCallback();

        InitialiseWorldData();

        if (GetGame().IsClient())
        {
            GetDayZGame().GetAnalyticsClient().RegisterEvents();
            m_WorldLighting = new WorldLighting();
        }

        if (GetGame().IsServer() || !GetGame().IsMultiplayer())
        {
            OutdoorThermometerManager.Init();
        }
    }

    override void OnUpdate(float timeslice)
    {
        super.OnUpdate(timeslice);

        if (GetGame().IsServer() || !GetGame().IsMultiplayer())
        {
            OutdoorThermometerManager.Update(timeslice);
        }
    }
}

// Custom mission implementation
class MissionGameplay extends MissionBase
{
    override void OnInit()
    {
        super.OnInit();
        Print("Gameplay mission started");
    }

    override void OnMissionStart()
    {
        super.OnMissionStart();

        // Setup player spawn
        PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
        if (player)
        {
            vector spawnPos = "3714.0 402.0 5985.0"; // Chernarus coordinates
            player.SetPosition(spawnPos);

            // Give starting equipment
            player.GetInventory().CreateInInventory("TShirt_Blue");
            player.GetInventory().CreateInInventory("Jeans_Blue");
            player.GetInventory().CreateInInventory("AthleticShoes_Black");
            player.GetInventory().CreateInInventory("Apple");

            Print("Player spawned at: " + spawnPos);
        }
    }
}
```

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

### C++ Damage System Examples

Source: https://context7.com/accesssq/scripts/llms.txt

Demonstrates applying different types of damage (melee, explosion) to entities and querying damage zone information. Requires access to the DamageSystem class and EntityAI objects.

```c++
// Apply close combat damage to specific component
void MeleeAttackExample(EntityAI source, Object target, vector hitPosition)
{
    string ammoType = "MeleeFist";
    int componentIndex = 0; // head component

    DamageSystem.CloseCombatDamage(
        source,
        target,
        componentIndex,
        ammoType,
        hitPosition,
        ProcessDirectDamageFlags.ALL_TRANSFER
    );
}

// Apply explosion damage
void ExplosionExample(EntityAI grenade, vector explosionPos)
{
    string ammoType = "Grenade_RGD5_Ammo";
    Object directHit = null; // null for area effect

    DamageSystem.ExplosionDamage(
        grenade,
        directHit,
        ammoType,
        explosionPos,
        DamageType.EXPLOSION
    );
}

// Get damage zones for an entity
void GetEntityDamageZones(EntityAI entity)
{
    DamageZoneMap zoneMap = new DamageZoneMap();

    if (DamageSystem.GetDamageZoneMap(entity, zoneMap))
    {
        array<string> zoneNames = zoneMap.GetKeyArray();

        for (int i = 0; i < zoneNames.Count(); i++)
        {
            string zone = zoneNames[i];
            array<string> components = zoneMap.Get(zone);

            Print("Damage Zone: " + zone);
            foreach (string component : components)
            {
                Print("  Component: " + component);
            }
        }
    }
}

// Get damage zone from component name
void FindDamageZone(EntityAI entity, string componentName)
{
    string damageZone;
    if (DamageSystem.GetDamageZoneFromComponentName(entity, componentName, damageZone))
    {
        Print("Component '" + componentName + "' belongs to zone: " + damageZone);
    }
}
```

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

### DayZ C++ Crafting Recipe Definition

Source: https://context7.com/accesssq/scripts/llms.txt

Provides an example of how to define a crafting recipe in DayZ using C++. This snippet shows the structure for initializing recipe properties such as name, animation length, and specialty. It details how to add ingredients with their properties (quantity, damage, destruction) and specify the resulting item with its properties.

```c++
// 4_World/Classes/Recipes/Recipes/CraftArrow.c
class CraftArrow extends RecipeBase
{
    override void Init()
    {
        m_Name = "#STR_CraftArrow0";
        m_IsInstaRecipe = false;
        m_AnimationLength = 1.5;
        m_Specialty = -0.02; // negative = precision required

        // Ingredient 1: Chicken Feather
        InsertIngredient(0, "ChickenFeather");
        m_MinDamageIngredient[0] = -1;
        m_MaxDamageIngredient[0] = 3;
        m_MinQuantityIngredient[0] = 1;
        m_IngredientAddQuantity[0] = -1;
        m_IngredientDestroy[0] = false;
        m_IngredientUseSoftSkills[0] = false;

        // Ingredient 2: Sharp Stick
        InsertIngredient(1, "Ammo_SharpStick");
        m_MinDamageIngredient[1] = -1;
        m_MaxDamageIngredient[1] = 3;
        m_MinQuantityIngredient[1] = 1;
        m_IngredientDestroy[1] = false;

        // Result: Primitive Arrow
        AddResult("Ammo_ArrowPrimitive");
        m_ResultSetQuantity[0] = 1;
        m_ResultSetHealth[0] = -1;
        m_ResultInheritsHealth[0] = -2; // average health from all ingredients
        m_ResultToInventory[0] = -2; // spawn on ground
        m_ResultUseSoftSkills[0] = false;
    }

    override bool CanDo(ItemBase ingredients[], PlayerBase player)
    {
        // Additional validation logic
        return true;
    }
}

```

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

### DayZ C++ Continuous Player Action: Eating Meat

Source: https://context7.com/accesssq/scripts/llms.txt

Illustrates implementing a continuous player action in DayZ, specifically eating meat, using C++. It includes the callback class for managing the action's continuous state and the main action class. The example demonstrates applying modifiers, such as making hands bloody when eating raw meat, and registering the action for use.

```c++
// 4_World/Classes/UserActionsComponent/Actions/Continuous/ActionEatMeat.c
class ActionEatMeatCB : ActionContinuousBaseCB
{
    override void CreateActionComponent()
    {
        m_ActionData.m_ActionComponent = new CAContinuousQuantityEdible(
            UAQuantityConsumed.EAT_NORMAL,
            UATimeSpent.DEFAULT
        );
    }
}

class ActionEatMeat : ActionEatBig
{
    void ActionEatMeat()
    {
        m_CallbackClass = ActionEatMeatCB;
    }

    override void ApplyModifiers(ActionData action_data)
    {
        Edible_Base food_item = Edible_Base.Cast(action_data.m_MainItem);
        if (food_item)
        {
            if (food_item.IsMeat() && food_item.IsFoodRaw())
            {
                // Make player's hands bloody when eating raw meat
                PluginLifespan module_lifespan = PluginLifespan.Cast(GetPlugin(PluginLifespan));
                if (module_lifespan)
                {
                    module_lifespan.UpdateBloodyHandsVisibility(action_data.m_Player, true);
                }
            }
        }
    }
}

// Registering and using the action
void UseActionExample(PlayerBase player, ItemBase meat)
{
    ActionEatMeat action = new ActionEatMeat();
    ActionData actionData = new ActionData();
    actionData.m_Player = player;
    actionData.m_MainItem = meat;

    if (action.Can(player, null, meat))
    {
        action.Start(actionData);
    }
}

```

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

### DayZ Game Initialization and Entry Point

Source: https://context7.com/accesssq/scripts/llms.txt

Demonstrates how to create the main game instance and access global game objects like the player. This script serves as the entry point for the game logic, initializing the DayZGame class and providing access to core game elements.

```c
// 3_Game/game.c - The entry point called by the engine
CGame CreateGame()
{
    g_Game = new DayZGame;
    return g_Game;
}

// Access the global game instance from anywhere
DayZGame game = GetGame();
Man player = game.GetPlayer();
Print("Player class: " + player.ClassName());
```

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

### Implement Survival Stats Plugin (C++)

Source: https://context7.com/accesssq/scripts/llms.txt

This C++ code defines a base plugin class and a custom implementation for tracking player survival stats like hunger and thirst. It overrides base methods to manage timers and update player stats. Dependencies include PlayerBase and GetGame().

```c
class PluginBase
{
    void OnInit();
    void OnUpdate(float delta_time);
    void OnDestroy();
}

// Custom plugin implementation
class PluginSurvivalStats extends PluginBase
{
    private float m_HungerTimer = 0;
    private float m_ThirstTimer = 0;

    override void OnInit()
    {
        Print("SurvivalStats plugin initialized");
    }

    override void OnUpdate(float delta_time)
    {
        m_HungerTimer += delta_time;
        m_ThirstTimer += delta_time;

        if (m_HungerTimer >= 60.0) // Every 60 seconds
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            if (player)
            {
                float currentHunger = player.GetStatEnergy().Get();
                player.GetStatEnergy().Set(currentHunger - 10);
                Print("Hunger decreased: " + currentHunger);
            }
            m_HungerTimer = 0;
        }

        if (m_ThirstTimer >= 45.0) // Every 45 seconds
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            if (player)
            {
                float currentThirst = player.GetStatWater().Get();
                player.GetStatWater().Set(currentThirst - 15);
                Print("Thirst decreased: " + currentThirst);
            }
            m_ThirstTimer = 0;
        }
    }

    override void OnDestroy()
    {
        Print("SurvivalStats plugin destroyed");
    }
}

// Register and use plugin
void RegisterCustomPlugin()
{
    PluginSurvivalStats statsPlugin = new PluginSurvivalStats();
    GetPlugin(PluginSurvivalStats).OnInit();
}
```

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

### DayZ JSON Serialization

Source: https://context7.com/accesssq/scripts/llms.txt

Shows how to serialize Enforce Script data structures into JSON strings and deserialize JSON strings back into script variables. This is essential for saving and loading game state, player data, and configuration files.

```c
// Data class to serialize
class PlayerData
{
    int m_Health = 100;
    float m_Hunger = 50.5;
    vector m_Position = "1234.5 0 6789.0";
    string m_Name = "Survivor";
    array<string> m_Inventory = {"Bandage", "WaterBottle", "Apple"};
}

// Serialize to JSON
void SavePlayerData(PlayerData data)
{
    JsonSerializer js = new JsonSerializer();
    string jsonOutput;
    bool success = js.WriteToString(data, true, jsonOutput);

    if (success)
    {
        Print("Saved player data:");
        Print(jsonOutput);
        // Output:
        // {
        //   "m_Health": 100,
        //   "m_Hunger": 50.5,
        //   "m_Position": [1234.5, 0, 6789.0],
        //   "m_Name": "Survivor",
        //   "m_Inventory": ["Bandage", "WaterBottle", "Apple"]
        // }
    }
}

// Deserialize from JSON
void LoadPlayerData()
{
    string jsonInput = '{"m_Health": 75, "m_Hunger": 80.2, "m_Position": [500.0, 10.0, 300.0], "m_Name": "Player1"}';

    PlayerData data = new PlayerData();
    JsonSerializer js = new JsonSerializer();
    string error;
    bool success = js.ReadFromString(data, jsonInput, error);

    if (success)
        Print("Loaded health: " + data.m_Health + " at position: " + data.m_Position);
    else
        Print("JSON parse error: " + error);
}
```

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

### Spawn item at position in DayZ

Source: https://context7.com/accesssq/scripts/llms.txt

Creates a new item entity at a specified world position with configured properties. Requires the DayZ game framework and valid item class names. The spawned item will have customizable health, quantity, and wetness values. Note that invalid item classes will result in failed spawns.

```c
// Spawn an item at a position
void SpawnItemExample(string itemClass, vector position)
{
    ItemBase item = ItemBase.Cast(
        GetGame().CreateObjectEx(itemClass, position, ECE_PLACE_ON_SURFACE)
    );

    if (item)
    {
        // Set item properties
        item.SetHealth("", "", 100);
        item.SetQuantity(50);

        // Make item wet
        item.SetWet(1.0);

        Print("Spawned " + itemClass + " at " + position);
    }
}
```

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

### DayZ C++ Type System and Safe Casting

Source: https://context7.com/accesssq/scripts/llms.txt

Demonstrates how to perform runtime type checking and safe downcasting in DayZ using C++. It covers checking if an object inherits from a specific type, retrieving type and class names, and using Cast() or CastTo() for safe conversions. Includes checks for null objects and successful casts.

```c++
// Check if object is inherited from a specific type
void CheckEntityType(Object obj)
{
    if (obj && obj.IsInherited(Widget))
    {
        Print("Object is a Widget or inherits from Widget");
    }

    if (obj && obj.IsInherited(EntityAI))
    {
        Print("Object is an EntityAI");
    }
}

// Get typename and class name
void PrintTypeInfo(Object obj)
{
    typename objType = obj.Type();
    string className = obj.ClassName();

    Print("Type: " + objType.ToString());
    Print("Class: " + className);

    // Static type from variable declaration
    EntityAI entity;
    typename staticType = entity.StaticType();
    Print("Static type: " + staticType.ToString()); // "EntityAI"
}

// Safe downcasting
void SafeCastExample()
{
    Object obj = GetGame().GetPlayer();

    // Cast base class to derived class
    Man player = Man.Cast(obj);
    if (player)
    {
        Print("Successfully cast to Man class");
        vector pos = player.GetPosition();
        Print("Player position: " + pos);
    }

    // Alternative: CastTo returns bool
    DayZPlayer dzPlayer;
    if (Class.CastTo(dzPlayer, obj))
    {
        Print("Successfully cast to DayZPlayer");
    }
}

```

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

### DayZ Network RPC System

Source: https://context7.com/accesssq/scripts/llms.txt

Illustrates the process of sending and receiving Remote Procedure Calls (RPCs) between client and server in DayZ. This system is crucial for synchronized gameplay and communication between different game instances.

```c
// Sending an RPC from client to server
void SendCheckPulseRequest(PlayerBase targetPlayer)
{
    ScriptRPC rpc = new ScriptRPC();

    rpc.Write(645);
    rpc.Write("Checking pulse");

    array<float> vitalSigns = {72.5, 98.6, 120.0}; // pulse, temp, pressure
    rpc.Write(vitalSigns);

    rpc.Send(m_Player, ERPCs.RPC_CHECK_PULSE, true, m_Player.GetIdentity());
}

// Receiving the RPC on the other end
override void OnRPC(PlayerIdentity sender, int rpc_type, ParamsReadContext ctx)
{
    if (rpc_type == ERPCs.RPC_CHECK_PULSE)
    {
        int num;
        string text;
        array<float> vitalSigns;

        ctx.Read(num);
        ctx.Read(text);
        ctx.Read(vitalSigns);

        Print("Received pulse check: " + num + " - " + text);
        Print("Vital signs: Pulse=" + vitalSigns[0] + " Temp=" + vitalSigns[1]);
    }
}
```

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

### Give item to player inventory in DayZ

Source: https://context7.com/accesssq/scripts/llms.txt

Adds an item directly to a player's inventory with optional quantity specification. Works with any valid item class that can be stored in inventory. Returns success or failure messages based on whether the item was successfully created. Limited by available inventory space and valid item definitions.

```c
// Give item to player inventory
void GiveItemToPlayer(PlayerBase player, string itemClass, int quantity = 1)
{
    EntityAI item = player.GetInventory().CreateInInventory(itemClass);

    if (item)
    {
        ItemBase itemBase = ItemBase.Cast(item);
        if (itemBase && itemBase.HasQuantity())
        {
            itemBase.SetQuantity(quantity);
        }

        Print("Gave " + quantity + "x " + itemClass + " to player");
        return;
    }

    Print("Failed to add item to inventory");
}
```

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

### Attach item to parent item in DayZ

Source: https://context7.com/accesssq/scripts/llms.txt

Creates an attachment relationship between two items, typically used for weapon modifications or container contents. Requires a valid parent item with compatible attachment slots. Success depends on proper attachment class definitions and available attachment points. Results in hierarchical item relationships within the game's inventory system.

```c
// Attach item to another item
void AttachItemExample(ItemBase parent, string attachmentClass)
{
    EntityAI attachment = parent.GetInventory().CreateAttachment(attachmentClass);

    if (attachment)
    {
        Print("Attached " + attachmentClass + " to " + parent.GetType());
    }
}
```

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

### Traverse player inventory hierarchy in DayZ

Source: https://context7.com/accesssq/scripts/llms.txt

Recursively iterates through a player's complete inventory structure including attachments and nested cargo containers. Provides detailed output of all inventory items with their quantities when applicable. Handles complex inventory hierarchies with multiple levels of nested containers. Useful for debugging or implementing comprehensive inventory inspection features.

```c
// Traverse player inventory recursively
void TraverseInventory(PlayerBase player)
{
    int attachmentCount = player.GetInventory().AttachmentCount();

    Print("=== Player Inventory ===");

    // Iterate through attachments (clothing, gear)
    for (int i = 0; i < attachmentCount; i++)
    {
        EntityAI attachment = player.GetInventory().GetAttachmentFromIndex(i);
        if (attachment)
        {
            Print("Attachment " + i + ": " + attachment.GetType());

            // Check cargo of this attachment
            CargoBase cargo = attachment.GetInventory().GetCargo();
            if (cargo)
            {
                int cargoCount = cargo.GetItemCount();
                Print("  Cargo items: " + cargoCount);

                for (int j = 0; j < cargoCount; j++)
                {
                    EntityAI cargoItem = cargo.GetItem(j);
                    if (cargoItem)
                    {
                        ItemBase itemBase = ItemBase.Cast(cargoItem);
                        string itemInfo = "    " + cargoItem.GetType();

                        if (itemBase && itemBase.HasQuantity())
                        {
                            itemInfo += " (Qty: " + itemBase.GetQuantity() + ")";
                        }

                        Print(itemInfo);
                    }
                }
            }
        }
    }
}
```

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

### Find items in radius in DayZ

Source: https://context7.com/accesssq/scripts/llms.txt

Searches for item entities within a specified radius around a central point. Utilizes the game's object detection system to retrieve nearby objects and filters them for item types. Outputs detailed information including item type and exact distance from center point. Performance may degrade with extremely large radius values.

```c
// Find items in radius
void FindItemsNearby(vector center, float radius)
{
    array<Object> objects = new array<Object>();
    array<CargoBase> proxyCargos = new array<CargoBase>();

    GetGame().GetObjectsAtPosition(center, radius, objects, proxyCargos);

    Print("Found " + objects.Count() + " objects within " + radius + "m");

    foreach (Object obj : objects)
    {
        ItemBase item = ItemBase.Cast(obj);
        if (item)
        {
            float distance = vector.Distance(center, item.GetPosition());
            Print("  - " + item.GetType() + " at distance: " + distance + "m");
        }
    }
}
```

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