From Data to Terrain: Reconstructing a Reference Game’s Procedural Terrain

Revision note (2026-09-30): This article records work from 2026-08-04. Early proxy designs, sample measurements, and evidence about the original algorithm are distinguished below. Pending work retains its historical validation scope. Later progress is covered in heightmap reconstruction and POI, Stamp, vegetation, and rock layouts. A practical reconstruction of the configuration flow behind Region, SubRegion, StampInfo, … Read more

AI-Native Development in Practice — TPS Camera Overhaul (Part 2): The Experience Validation Loop

AI-assisted TPS camera experience validation workflow

From spatial composition to temporal response: using AI to validate consistency across camera, recoil, ballistics, and UI Read Part 1: AI-Native Development in Practice — TPS Camera Overhaul (Part 1): Aligning Camera Placement and Framing by the Numbers Part 1 dealt with the TPS camera’s spatial composition: camera placement, character occupancy, and hip/shoulder framing while … Read more

Open-World Player Vehicle Driving P7: Local Avoidance and Immediate Risk — How Does a Vehicle Handle a Conflict Without Rebuilding Its Route?

This article is the seventh entry in the Open-World Player Vehicle Driving series. It follows P5’s navigation route and P6’s driving strategy. The question here is what happens when a pedestrian, vehicle, object, or impassable boundary suddenly appears on the road: how can the vehicle handle the immediate conflict without rebuilding the entire destination relationship? … Read more

Open-World Player Vehicle Driving P6: Driving Strategy and Risk Models — Why Does the Same Route Produce Different Driving Behavior?

This article is part of the Open-World Player Vehicle Driving series. It follows P5, which discussed GPS, route life cycles, and dynamic replanning. P5 answered where the vehicle should go and how a route remains valid while the road world changes. This article asks a different question: when two vehicles have the same destination and … Read more

Urban Vitality P1 | Open-World Population Orchestration

Urban Vitality P1 — Open-World Population Orchestration

Urban Vitality series · P1 · Pedestrian Scheduling Previous article (series overview): Rebuilding a City That Runs Itself in UE5. This article develops the crowd and population systems introduced in that overview. The subject is how street populations are created, placed, represented, and reclaimed. It covers population orchestration, stable stubs, three runtime cost layers, spawn … Read more

Open world player vehicle driving P5: How player goals become navigation – GPS, route life cycle and dynamic re-planning

P1 discusses how players obtain the driving control window through seating relationships; P2 discusses how input enters the vehicle; P3 discusses how multiple inputs, mission goals and constraints form consumable driving commands; P4 discusses how different control sources complete release, takeover and recovery. This article continues to ask: after the player specifies a destination, how … Read more

Open-World Player Vehicle Driving P4: How AI Releases and Regains Control of a Vehicle — Control-Source Handoff, Temporary Tasks, and State Recovery

P1 discusses how the player obtains a driving control window through seating relationships; P2 discusses how input enters the vehicle; P3 discusses how multiple inputs, goals and constraints form a consumable driving command. This article continues to ask: When the vehicle is already run by an AI task and the player requests to enter, take … Read more

Open-World Player Vehicle Driving P3: How Driving Commands Are Formed — From Input Snapshot to an Executable Vehicle Contract

This article is the third article in the “Player Vehicle Driving Series in the Open World”. P1 discusses how the player obtains the control window through seating relationships and driving takeover; P2 discusses how device input enters the vehicle through control views, player-state routing, and vehicle type bridging. This article continues to ask: When multiple … Read more

Open-World Player Vehicle Driving P2: Input, Driving Authority, and Vehicle Cameras — When Does Player Input Belong to the Vehicle?

This is the second design-analysis article in the Open-World Player Vehicle Driving series. P1 examined how the player becomes the current driver through seat relationships and takeover. This article follows the input after that takeover: how it passes through the system control layer, the player-in-vehicle router, and vehicle-specific executors before becoming a driving meaning that … Read more

Open-World Player Vehicle Driving P1: Entering a Vehicle, Seat Relationships, and Driving Takeover — When Does the Player Become the Driver?

This is the first solution-focused article in the open-world player vehicle driving series. The prologue established that the player does not take over a newly spawned static prop, but enters a vehicle that already has identity, seat relationships, tasks, and runtime state. This article focuses only on how the player enters that runtime and how … Read more