56 lines
1.9 KiB
C#
56 lines
1.9 KiB
C#
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// Perfect Culling (C) 2021 Patrick König
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//
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using UnityEngine;
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using UnityEngine.AI;
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namespace Koenigz.PerfectCulling.SamplingProviders
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{
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[RequireComponent(typeof(PerfectCullingBakingBehaviour))]
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[DisallowMultipleComponent]
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[ExecuteAlways]
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public class ExcludeTooFarFromNavMeshSamplingProvider : SamplingProviderBase
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{
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[SerializeField] private float distance = 2.5f;
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[Header("Maximum allowance on XZ plane (makes sure only straight up hits are allowed)")]
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[SerializeField] [UnityEngine.Range(0f, 1f)] private float maxDistanceX = 0.25f;
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[SerializeField] [UnityEngine.Range(0f, 1f)] private float maxDistanceZ = 0.25f;
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[Header("Allows to exclude cells below NavMesh (assumes Y is up)")] [SerializeField] private bool excludeBelowNavMesh = true;
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public override string Name => nameof(ExcludeTooFarFromNavMeshSamplingProvider);
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public override void InitializeSamplingProvider()
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{
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}
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public override bool IsSamplingPositionActive(PerfectCullingBakingBehaviour bakingBehaviour, Vector3 pos)
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{
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// Just check whether navmesh is within specified distance.
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if (!UnityEngine.AI.NavMesh.SamplePosition(pos, out NavMeshHit navMeshHit, distance, NavMesh.AllAreas))
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{
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return false;
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}
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Vector3 hitDir = (pos - navMeshHit.position).normalized;
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if (excludeBelowNavMesh && hitDir.y < float.Epsilon)
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{
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return false;
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}
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if (Mathf.Abs(navMeshHit.position.x - pos.x) > maxDistanceX)
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{
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return false;
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}
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if (Mathf.Abs(navMeshHit.position.z - pos.z) > maxDistanceZ)
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{
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return false;
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}
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return true;
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}
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}
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}
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