protected override JobHandle OnUpdate(JobHandle inputDeps)
{
/* STEP 1 - Initialiser Dijkstra Grid */
NativeArray <int> dijkstraGridBase = new NativeArray <int>(width * height, Allocator.TempJob);
JobHandle dependency = Dijkstra.Construct(dijkstraGridBase, width, height, MAX_VALUE, _Obstacle, inputDeps);
EntityCommandBuffer.Concurrent entityCommandBuffer = endSimulationEntityCommandBufferSystem.CreateCommandBuffer().ToConcurrent();
JobHandle jobHandle = Entities.ForEach((Entity entity, int entityInQueryIndex, DynamicBuffer <PathPosition> pathPositionBuffer, ref PathFollow pathFollow, in Translation translation, in MoveToComponent moveTo) =>
{
if (!pathFollow.move)
{
pathFollow.move = true;
int2 position = MiniMapHelpers.ConvertWorldCoord(translation.Value, width, height);
int2 target = MiniMapHelpers.ConvertWorldCoord(moveTo.endPosition, width, height);
/* STEP 2 - Explore all node to construct Dijkstra Grid */
NativeArray <int> dijkstraGrid = new NativeArray <int>(dijkstraGridBase.Length, Allocator.Temp);
dijkstraGrid.CopyFrom(dijkstraGridBase);
Dijkstra.Explore(dijkstraGrid, target, width, height);
/* STEP 3 - With Dijkstra Grid construct FlowField (array of dir vector) */
NativeArray <int2> flowfield = new NativeArray <int2>(width * height, Allocator.Temp);
Flowfield.Construct(flowfield, dijkstraGrid, position, target, width, height, MAX_VALUE);
pathPositionBuffer.CopyFrom(flowfield.Reinterpret <PathPosition>());
dijkstraGrid.Dispose();
flowfield.Dispose();
entityCommandBuffer.RemoveComponent <MoveToComponent>(entityInQueryIndex, entity);
}
}).Schedule(dependency);
public void Execute([ReadOnly] ref Translation translation)
{
int2 pos = MiniMapHelpers.ConvertWorldCoord(translation.Value, _width, _height);
_dijkstraGrid[pos[0] + (pos[1] * _width)] = _max;
}
