GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Optimize Foliage with quad-tree clustering per foliage type

Browse Source
This commit is contained in:
Wojtek Figat
2021-07-01 23:08:47 +02:00
parent c93c811375
commit fe2e17e353
4 changed files with 276 additions and 183 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
Source/Engine/Foliage/Foliage.h
View File

@@ -7,7 +7,6 @@
#include "FoliageCluster.h"
#include "FoliageType.h"
#include "Engine/Level/Actor.h"
#include "Engine/Core/Collections/ChunkedArray.h"
/// <summary>
/// Represents a foliage actor that contains a set of instanced meshes.
@@ -23,20 +22,22 @@ private:
public:
/// <summary>
/// The root cluster. Contains all the instances and it's the starting point of the quad-tree hierarchy. Null if no foliage added. It's read-only.
/// </summary>
FoliageCluster* Root;
/// <summary>
/// The allocated foliage instances. It's read-only.
/// </summary>
ChunkedArray<FoliageInstance, FOLIAGE_INSTANCE_CHUNKS_SIZE> Instances;
#if FOLIAGE_USE_SINGLE_QUAD_TREE
/// <summary>
/// The root cluster. Contains all the instances and it's the starting point of the quad-tree hierarchy. Null if no foliage added. It's read-only.
/// </summary>
FoliageCluster* Root = nullptr;
/// <summary>
/// The allocated foliage clusters. It's read-only.
/// </summary>
ChunkedArray<FoliageCluster, FOLIAGE_CLUSTER_CHUNKS_SIZE> Clusters;
#endif
/// <summary>
/// The foliage instances types used by the current foliage actor. It's read-only.
@@ -141,35 +142,16 @@ public:
/// <summary>
/// Gets the global density scale for all foliage instances. The default value is 1. Use values from range 0-1. Lower values decrease amount of foliage instances in-game. Use it to tweak game performance for slower devices.
/// </summary>
/// <returns>The value.</returns>
API_PROPERTY() static float GetGlobalDensityScale();
/// <summary>
/// Sets the global density scale for all foliage instances. The default value is 1. Use values from range 0-1. Lower values decrease amount of foliage instances in-game. Use it to tweak game performance for slower devices.
/// </summary>
/// <param name="value">The value.</param>
API_PROPERTY() static void SetGlobalDensityScale(float value);
private:
/// <summary>
/// Ensures that the root node of the foliage was added.
/// </summary>
void EnsureRoot();
/// <summary>
/// Adds the given foliage instance to the cluster.
/// </summary>
/// <param name="cluster">The root cluster.</param>
/// <param name="instance">The instance.</param>
void AddToCluster(FoliageCluster* cluster, FoliageInstance& instance);
/// <summary>
/// Draws the cluster.
/// </summary>
/// <param name="renderContext">The rendering context.</param>
/// <param name="cluster">The cluster.</param>
/// <param name="draw">The draw data.</param>
void AddToCluster(ChunkedArray<FoliageCluster, FOLIAGE_CLUSTER_CHUNKS_SIZE>& clusters, FoliageCluster* cluster, FoliageInstance& instance);
void DrawCluster(RenderContext& renderContext, FoliageCluster* cluster, Mesh::DrawInfo& draw);
public: