advanced-games-library/src/utils/memoryOptimization.js

Advanced Gaming Library for React Native - Four Complete Games with iOS Compatibility Fixes

// Memory optimization utility
class AdvancedMemoryManager {
  constructor() {
    this.memoryHistory = [];
    this.productionMode = false;
    this.objectPools = new Map();
    this.monitoringInterval = null;
  }

  getCurrentMemoryStatus() {
    // Simulated memory status - in real app would use actual memory monitoring
    const mockMemoryUsage = 45 + Math.random() * 20; // 45-65%
    const trend = this.calculateTrend();
    const riskLevel = this.assessRiskLevel(mockMemoryUsage);

    const status = {
      current: { 
        percentage: mockMemoryUsage,
        used: Math.round(mockMemoryUsage * 100),
        available: Math.round((100 - mockMemoryUsage) * 100)
      },
      trend,
      riskLevel,
      timestamp: Date.now()
    };

    this.memoryHistory.push(status);
    
    // Keep only last 100 entries
    if (this.memoryHistory.length > 100) {
      this.memoryHistory = this.memoryHistory.slice(-100);
    }

    return status;
  }

  async optimizeMemory() {
    console.log('🧠 Starting memory optimization...');
    
    const beforeStatus = this.getCurrentMemoryStatus();
    let memoryFreed = 0;

    // Simulate memory cleanup operations
    memoryFreed += await this.clearUnusedCaches();
    memoryFreed += await this.optimizeObjectPools();
    memoryFreed += await this.garbageCollect();

    const afterStatus = this.getCurrentMemoryStatus();
    
    const result = {
      memoryFreed,
      beforeUsage: beforeStatus.current.percentage,
      afterUsage: afterStatus.current.percentage,
      improvement: beforeStatus.current.percentage - afterStatus.current.percentage
    };

    console.log('🧠 Memory optimization completed:', result);
    return result;
  }

  enableProductionMode() {
    this.productionMode = true;
    this.startMemoryMonitoring();
    console.log('🧠 Memory manager enabled in production mode');
  }

  startMemoryMonitoring(interval = 30000) { // 30 seconds
    if (this.monitoringInterval) {
      clearInterval(this.monitoringInterval);
    }

    this.monitoringInterval = setInterval(() => {
      const status = this.getCurrentMemoryStatus();
      
      if (status.riskLevel === 'high') {
        console.warn('🧠 High memory usage detected, triggering optimization');
        this.optimizeMemory();
      }
    }, interval);
  }

  stopMemoryMonitoring() {
    if (this.monitoringInterval) {
      clearInterval(this.monitoringInterval);
      this.monitoringInterval = null;
    }
  }

  calculateTrend() {
    if (this.memoryHistory.length < 2) return 'stable';
    
    const recent = this.memoryHistory.slice(-5);
    const average = recent.reduce((sum, entry) => sum + entry.current.percentage, 0) / recent.length;
    const latest = this.memoryHistory[this.memoryHistory.length - 1].current.percentage;
    
    if (latest > average + 5) return 'increasing';
    if (latest < average - 5) return 'decreasing';
    return 'stable';
  }

  assessRiskLevel(memoryUsage) {
    if (memoryUsage > 80) return 'high';
    if (memoryUsage > 60) return 'medium';
    return 'low';
  }

  async clearUnusedCaches() {
    // Simulate cache clearing
    const freedMB = Math.random() * 50;
    console.log(`🧠 Cleared unused caches, freed ${freedMB.toFixed(1)}MB`);
    return freedMB;
  }

  async optimizeObjectPools() {
    // Simulate object pool optimization
    const freedMB = Math.random() * 30;
    console.log(`🧠 Optimized object pools, freed ${freedMB.toFixed(1)}MB`);
    return freedMB;
  }

  async garbageCollect() {
    // Simulate garbage collection
    const freedMB = Math.random() * 20;
    console.log(`🧠 Performed garbage collection, freed ${freedMB.toFixed(1)}MB`);
    return freedMB;
  }

  getMemoryReport() {
    return {
      currentStatus: this.getCurrentMemoryStatus(),
      history: this.memoryHistory.slice(-20), // Last 20 entries
      recommendations: this.getOptimizationRecommendations()
    };
  }

  getOptimizationRecommendations() {
    const current = this.getCurrentMemoryStatus();
    const recommendations = [];

    if (current.riskLevel === 'high') {
      recommendations.push('Consider reducing image quality or cache size');
      recommendations.push('Clear unused game assets');
    }
    
    if (current.trend === 'increasing') {
      recommendations.push('Monitor for memory leaks');
      recommendations.push('Implement more aggressive cleanup');
    }

    return recommendations;
  }
}

export const advancedMemoryManager = new AdvancedMemoryManager();

// Memory-aware object factory
export const memoryAwareObjectFactory = {
  create: (poolName, factory) => {
    // Simple object pooling simulation
    console.log(`🧠 Creating memory-aware object from pool: ${poolName}`);
    return factory();
  },
  
  release: (poolName, object) => {
    console.log(`🧠 Releasing object to pool: ${poolName}`);
    // In real implementation, would return object to pool
  }
};

// Hook for React components
export const useMemoryMonitor = () => {
  // This would be a real React hook in practice
  return advancedMemoryManager.getCurrentMemoryStatus();
};