68 lines
1.9 KiB
C#
68 lines
1.9 KiB
C#
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#if GRIFFIN
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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using Unity.Collections;
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using Unity.Jobs;
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using Unity.Burst;
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namespace Pinwheel.Griffin.Rendering
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{
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#if GRIFFIN_BURST
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[BurstCompile(CompileSynchronously = true)]
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#endif
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public struct GBuildInstancedBatchJob : IJob
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{
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[ReadOnly]
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public NativeArray<GGrassInstance> instances;
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[WriteOnly]
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public NativeArray<Vector3Int> batchMetadata; //x: prototypeIndex, y: startIndex, z: length
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public int maxLength;
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public void Execute()
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{
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int startIndex = 0;
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int prototypeIndex = int.MinValue;
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Vector3Int metadata = new Vector3Int(instances[0].prototypeIndex, startIndex, 0);
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int batchCount = 0;
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int length = instances.Length;
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for (int i = 0; i < length; ++i)
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{
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prototypeIndex = instances[i].prototypeIndex;
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if (prototypeIndex != metadata.x)
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{
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metadata.z = i - metadata.y;
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batchCount += 1;
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batchMetadata[batchCount] = metadata;
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metadata.x = prototypeIndex;
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metadata.y = i;
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metadata.z = 0;
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}
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else if (i - metadata.y + 1 > maxLength)
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{
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metadata.z = maxLength;
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batchCount += 1;
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batchMetadata[batchCount] = metadata;
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metadata.y = i;
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metadata.z = 0;
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}
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else if (i == length - 1)
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{
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metadata.z = i - metadata.y + 1;
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batchCount += 1;
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batchMetadata[batchCount] = metadata;
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}
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}
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metadata.Set(-1, -1, batchCount);
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batchMetadata[0] = metadata;
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}
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}
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}
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#endif
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