private int MakeMesh()
{
Mesh m = new Mesh();
Vector3[] vertices = new Vector3[4];
Vector2[] uv = new Vector2[4];
int[] triangles = new int[6];
vertices[0] = new Vector3(0, 0);
vertices[1] = new Vector3(0, Height);
vertices[2] = new Vector3(Width, Height);
vertices[3] = new Vector3(Width, 0);
uv[0] = new Vector2(0, 0);
uv[1] = new Vector2(0, 1);
uv[2] = new Vector2(1, 1);
uv[3] = new Vector2(1, 0);
triangles[0] = 0;
triangles[1] = 1;
triangles[2] = 2;
triangles[3] = 0;
triangles[4] = 2;
triangles[5] = 3;
m.vertices = vertices;
m.uv = uv;
m.triangles = triangles;
return(MaterialStore.GetInstance().AddMesh(m));
}
public Material GetMaterial()
{
return(MaterialStore.GetInstance().GetMaterialById(_MaterialIndex));
}
//
//
//
//END OF SPLIT MULTITHREADED CODE
///
//
//
//
//
//
//TODO Basically re-do this code once per different sprite tag, e.g once for User and once for Goblins, then we do 1 draw call per spritesheet
protected override void OnUpdate()
{
//Get our entity reference
EntityManager entityManager = World.DefaultGameObjectInjectionWorld.EntityManager;
EntityQuery
entityQuery =
GetEntityQuery(
typeof(SpriteSheetData)); //TODO Replace spritesheetdata with our tag? or seperate after we have them all by our identifer tags
NativeArray <Entity> entitiesToDraw =
entityQuery.ToEntityArray(Allocator.TempJob);
Entity
e = entitiesToDraw[
0]; //Assume all entities share the shared data here (spritesheet cells, cell size, materials, etc.
//Grab other shared data,
DynamicBuffer <AnimationClip> animationClips = entityManager.GetBuffer <AnimationClip>(e);
MaterialPropertyBlock shaderVariables = new MaterialPropertyBlock();
//
//Per different Sprite
//
SpriteSheetData _spriteSheetData = entityManager.GetComponentData <SpriteSheetData>(e); //Get one per different sprite
Vector2 _spriteSheetUVs = _spriteSheetData.GridUVs;
MeshData _meshData = entityManager.GetSharedComponentData <MeshData>(e);
//
// End per different sprite (e.g we can re-use these values for each entity with a tag (.eg goblin)
//
EntityQuery query = GetEntityQuery(typeof(UniqueAnimationData), typeof(Translation));
NativeArray <UniqueAnimationData> uniqueAnimationDatas =
query.ToComponentDataArray <UniqueAnimationData>(Allocator.TempJob);
NativeQueue <RenderData> renderQueue1 = new NativeQueue <RenderData>(Allocator.TempJob);
NativeQueue <RenderData> renderQueue2 = new NativeQueue <RenderData>(Allocator.TempJob);
Camera camera = Camera.main;
float3 cameraPos = camera.transform.position;
float yBottom = cameraPos.y - camera.orthographicSize;
float yTop1 = cameraPos.y + camera.orthographicSize;
float yTop2 = cameraPos.y + 0f;
CullAndSortJob cullAndSortJob = new CullAndSortJob()
{
YBottom = yBottom,
YTop1 = yTop1,
YTop2 = yTop2,
nativeQueue_1 = renderQueue1.AsParallelWriter(),
nativeQueue_2 = renderQueue2.AsParallelWriter(),
spriteSheetUVs = _spriteSheetData.GridUVs
};
JobHandle jobHandle = cullAndSortJob.Schedule(this);
jobHandle.Complete();
NativeArray <JobHandle> jobHandles = new NativeArray <JobHandle>(2, Allocator.TempJob);
NativeArray <RenderData> renderArray1 = new NativeArray <RenderData>(renderQueue1.Count, Allocator.TempJob);
NativeArray <RenderData> renderArray2 = new NativeArray <RenderData>(renderQueue2.Count, Allocator.TempJob);
RenderQueueToArrayJob renderQueueToArrayJob1 = new RenderQueueToArrayJob()
{
renderQueue1 = renderQueue1,
renderArray = renderArray1
};
RenderQueueToArrayJob renderQueueToArrayJob2 = new RenderQueueToArrayJob()
{
renderQueue1 = renderQueue2,
renderArray = renderArray2
};
jobHandles[0] = renderQueueToArrayJob1.Schedule();
jobHandles[1] = renderQueueToArrayJob2.Schedule();
JobHandle.CompleteAll(jobHandles);
renderQueue1.Dispose();
renderQueue2.Dispose();
SortByPositionJob sortByPositionJob1 = new SortByPositionJob()
{
sortArray = renderArray1
};
SortByPositionJob sortByPositionJob2 = new SortByPositionJob()
{
sortArray = renderArray2
};
jobHandles[0] = sortByPositionJob1.Schedule();
jobHandles[1] = sortByPositionJob2.Schedule();
JobHandle.CompleteAll(jobHandles);
int visibleEntityTotal = renderArray1.Length + renderArray2.Length;
NativeArray <Matrix4x4> matrixArray = new NativeArray <Matrix4x4>(visibleEntityTotal, Allocator.TempJob);
NativeArray <Vector4> uvArray = new NativeArray <Vector4>(visibleEntityTotal, Allocator.TempJob);
FillArraysParralelJob fillArraysParralelJob1 = new FillArraysParralelJob()
{
nativeArray = renderArray1,
matrixArray = matrixArray,
uvArray = uvArray,
startingIndex = 0
};
jobHandles[0] = fillArraysParralelJob1.Schedule(renderArray1.Length, 10);
FillArraysParralelJob fillArraysParralelJob2 = new FillArraysParralelJob()
{
nativeArray = renderArray2,
matrixArray = matrixArray,
uvArray = uvArray,
startingIndex = renderArray1.Length
};
jobHandles[1] = fillArraysParralelJob2.Schedule(renderArray2.Length, 10);
JobHandle.CompleteAll(jobHandles);
int shaderPropertyId = Shader.PropertyToID("_MainTex_UV");
Mesh mesh = MaterialStore.GetInstance().GetMeshById(_meshData.GetMeshID());
int sliceCount = 1023;
Matrix4x4[] matrixInstancedArray = new Matrix4x4[sliceCount];
Vector4[] uvInstancedArray = new Vector4[sliceCount];
for (int i = 0; i < uniqueAnimationDatas.Length; i += sliceCount)
{
int sliceSize = math.min(uniqueAnimationDatas.Length - i, sliceCount);
NativeArray <Matrix4x4> .Copy(matrixArray, i, matrixInstancedArray, 0, sliceSize);
NativeArray <Vector4> .Copy(uvArray, i, uvInstancedArray, 0, sliceSize);
shaderVariables.SetVectorArray(shaderPropertyId, uvInstancedArray);
Graphics.DrawMeshInstanced(
mesh,
0,
_meshData.GetMaterial(),
matrixInstancedArray,
sliceSize,
shaderVariables
);
}
matrixArray.Dispose();
uvArray.Dispose();
uniqueAnimationDatas.Dispose();
entitiesToDraw.Dispose();
jobHandles.Dispose();
renderArray1.Dispose();
renderArray2.Dispose();
}