multiplayer

Topics in the source

• Multiplayer Game Development
• 1. Architecture Selection
• Decision Tree
• Comparison
• 2. Synchronization Principles
• State vs Input
• Lag Compensation
• 3. Network Optimization

Networking architecture and synchronization principles. -- | Architecture | Latency | Cost | Security | |--------------|---------|------|----------| | Dedicated | Low | High | Strong | | P2P | Variable | Low | Weak | | Host-based | Medium | Low | Medium | -- | Approach | Sync What | Best For | |----------|-----------|----------| | State Sync | Game state | Simple, few objects | | Input Sync | Player inputs | Action games | | Hybrid | Both | Most games | | Technique | Purpose | |-----------|---------| | Prediction | Client predicts server | | Interpolation | Smooth remote players | | Reconciliation | Fix mispredictions | | Lag compensation | Rewind for hit detection | -- | Technique | Savings | |-----------|---------| | Delta compression | Send only changes | | Quantization | Reduce precision | | Priority | Important data first | | Area of interest | Only nearby entities | | Type | Rate | |------|------| | Position | 20-60 Hz | | Health | On change | | Inventory | On change | | Chat | On send | -- | Cheat | Prevention | |-------|------------| | Speed hack | Server validates movement | | Aimbot | Server validates sight line | | Item dupe | Server owns inventory | | Wall hack | Don't

This is an excerpt. Refer to the complete source and its current requirements.