private VehicleControls GetAIInput(SimulationState simulationState) { mTreeEvaluator.ResetAndSetup(simulationState); mTreeEvaluator.Expand(mSamples); VehicleControls chosenControl = mTreeEvaluator.GetBestControl(); return(chosenControl); }
//Player input gets processed into a ControlState, and AI will provide a control state public static SimulationState ProcessState(SimulationState state, SimulationData simulationData, Dictionary <uint, VehicleControls> controllerInputs, float deltaTime) { int currentVehicleCount = state.Vehicles.Length; SimulationState nextSimState = new SimulationState(currentVehicleCount); int totalProjectileCount = 0; for (int i = 0; i < state.Projectiles.Length; ++i) { var projectiles = state.Projectiles[i]; int localCount = 0; if (projectiles != null) { localCount = projectiles.Count; } totalProjectileCount += localCount; nextSimState.SetProjectileCount(state.IndexToID[i], localCount + 1); } for (int vehicleIndex = 0; vehicleIndex < state.Vehicles.Length; ++vehicleIndex) { uint controllerID = state.IndexToID[vehicleIndex]; Debug.Assert(controllerInputs.ContainsKey(controllerID)); VehiclePrototype prototype = simulationData.GetVehiclePrototype(controllerID); VehicleControls inputControlState = controllerInputs[controllerID]; VehicleState currentVehicleState = state.Vehicles[vehicleIndex]; DynamicTransform2 newDynamicTransform = ProcessVehicleDrive(currentVehicleState.DynamicTransform, prototype, inputControlState.DriveControls, deltaTime); newDynamicTransform = ProcessCollision(newDynamicTransform, prototype, simulationData); GunState currentGunState = currentVehicleState.GunState; GunMount gunMount = prototype.Guns; bool projectileFired; GunState nextGunState = ProcessGunstate(gunMount, currentGunState, inputControlState.GunTriggerDown, deltaTime, out projectileFired); if (projectileFired) { DynamicPosition2 projectileState = CreateProjectileState(newDynamicTransform, gunMount, currentGunState.NextGunToFire, deltaTime); SpawnProjectile(vehicleIndex, nextSimState, projectileState); } VehicleState newVehicleState = new VehicleState(newDynamicTransform, inputControlState.DriveControls, nextGunState); nextSimState.AddVehicle(controllerID, newVehicleState); } //TODO: The above resulting transforms can be put in a collection ready for collision detection below! for (int projectileIndex = 0; projectileIndex < state.Projectiles.Length; ++projectileIndex) { var projectiles = state.Projectiles[projectileIndex]; if (projectiles != null) { foreach (var projectile in projectiles) { bool hit = false; for (int targetVehicleIndex = 0; targetVehicleIndex < state.Vehicles.Length; ++targetVehicleIndex) { if (targetVehicleIndex != projectileIndex) { VehicleState vehicleToHit = state.Vehicles[targetVehicleIndex]; if (ProjectileHitsVehicle(vehicleToHit.DynamicTransform, simulationData.GetVehiclePrototype(state.IndexToID[targetVehicleIndex]), projectile, deltaTime)) { hit = true; break; } } } if (!hit) { Vector2 nextPosition = projectile.Position + deltaTime * projectile.Velocity; if (simulationData.InsideArena(nextPosition)) { DynamicPosition2 nextProjectileState = new DynamicPosition2(nextPosition, projectile.Velocity); nextSimState.Projectiles[projectileIndex].Add(nextProjectileState); } } else { RegisterHit(nextSimState, projectileIndex); } } } } return(nextSimState); }