Create: Railway Evolution

🚂 Railway Evolution v7 — [THE GLOBAL MAP-SCAN & PERFORMANCE CORE]

This update represents a monumental architectural leap for Railway Evolution. By shifting from per-train $O(N^2)$ scanning loops to a centralized global map pre-computation model (TrainScanMaps powered by IdentityHashMap), we have fundamentally eliminated redundant iterations across high-density rail networks. Version 7 focuses on pure, unadulterated tick-rate stability: keeping complex multi-train logistics fluid, mathematically precise, and completely weightless on the Java Garbage Collector.

✨ Key Features of v7:

• Global Map-Scan Architecture: Replaced dozens of per-controller getAllControllers() scans with a unified, pre-computed tick-phase map (edgeToTrain, reverseEdgeMap, junctionApproachMap). AI pathfinding now queries global states instantly in $O(1)$ time.
• Zero-Allocation Pipeline: Deep backend refactor utilizing IdentityHashMap alongside persistent class-level buffers. Transient object creation during high-frequency graph-walk scans has been completely eradicated.
• Optimized Junction & Reverse Safety: Streamlined reverse-path tracking (myReverseLeadingEdge) and advanced filterGlobalHit per-train filtering ensure flawless deadlock resolution and collision avoidance without CPU spikes.
• Engineered for Scale: Whether you're running 5 or 50 automated locomotives, the core loop executes with maximum efficiency, making v6 the most stable foundation for large-scale industrial rail automation.

🛠 Technical Changelog (v7):

• TrainScanMaps Core: Introduced a centralized tracking structure built entirely on IdentityHashMap to eliminate duplicate lookups.
• Pre-Compute Phase: buildScanMaps() now executes strictly before controller ticks, guaranteeing fresh, thread-safe topological data every single tick without null-pointers on startup.
• Refinement of the Core: Cleaned up over 80+ lines of redundant nested loops in TrainAIController, replacing them with optimized global map queries wrapped in strict per-train filters (self-bypass, junction yielding, Y-level checks).

🔮 Looking Forward: With the global map-scan architecture fully deployed, Railway Evolution’s core is faster, smarter, and lighter than ever. Thank you for making this journey incredible!

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