Unreal Cpp FPS Multiplayer Game

Made using Unreal Engine 5 (Blueprints and C++)

Project Overview

This project has first person shooter mechanics with smooth control, full weapon logic, drag and drop inventory, teams, UI and multiplayer support.

Features

Player Control and Movement

• Uses CharacterMovementComponent for walk, run, jump, crouch and air control
• AimOffset asset for smooth aim blend during fire
• BlendSpace for idle and movement animation
• Server RPCs for sprint, jump, crouch and aim to keep clients in sync
• CameraComponent for clean first person view with arms mesh
• Separate FP mesh and full body mesh with proper visibility rules

Weapon System

• Base weapon class made in Cpp with modular fire logic
• Data assets for weapon stats such as damage, fire rate, ammo, reload time
• Server RPC for firing, with client side cosmetic updates
• Line traces from camera for bullet hits
• Muzzle flash with Niagara
• Impact effect based on surface using PhysicalMaterial
• Reload animation with Montage notify events
• RepNotify for ammo count so HUD updates on all clients
• Attachment system using sockets on the FP mesh
• Pickup actors with collision triggers and replication

Inventory System

• Inventory built in Cpp with TArray of item entries
• Drag and drop UI made in UMG
• Items stored as data assets to support easy expand
• Server RPC for moving, swapping and dropping items
• Replicated inventory so all changes stay correct in multiplayer
• UI updates through OnRep callbacks

Health Armor and Damage

• HealthComponent written in Cpp
• ApplyDamage and TakeDamage pipeline
• Armor reduces incoming value before health
• Hit direction passed to UI for feedback
• Headshot checks using bone names
• Death state replicated through OnRep
• Damage events reach both attacker and victim

Death and Respawn

• Server side death handle
• Drop weapons with spawn parameters
• Respawn after delay using GameMode rules
• PlayerState stores kills and deaths
• RestartPlayer selects correct spawn point

Spawn System

• Team based spawn using tags
• Spawn selection checks if area is safe
• GameMode handles first spawn and respawn
• PlayerController receives spawn info for HUD

Team Mode

• Team choice menu with UMG
• PlayerState stores team index
• GameState stores team scores
• Server increments score when kill happens
• Match end triggers UI on all clients

User Interface

• HUD made with UMG and Cpp bridges
• Ammo count, health bar, armor bar and weapon name
• Crosshair spread driven by velocity and fire events
• Inventory grid with drag and drop
• Hit marker triggered from damage event
• Kill feed with replicated event list
• Team select UI on match start

Visual and Audio Effects

• Niagara for muzzle flash, impact sparks and cartridge ejection
• Sound cues for fire, reload, hit, damage and steps
• Camera shake for rifle fire
• UI sound for inventory move