Package foundry.veil.api.client.render.light.renderer

Class InstancedLightRenderer<T extends LightData & InstancedLightData>

java.lang.Object

foundry.veil.api.client.render.light.renderer.InstancedLightRenderer<T>

Type Parameters:

T - The type of lights to render

All Implemented Interfaces:

LightTypeRenderer<T>, AutoCloseable, org.lwjgl.system.NativeResource

Direct Known Subclasses:

AreaLightRenderer, InstancedPointLightRenderer

public abstract class InstancedLightRenderer<T extends LightData & InstancedLightData>
extends Object
implements LightTypeRenderer<T>

Draws lights as instanced quads in the scene.

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	lightSize
protected int	maxLights

Constructor Summary

Constructors

Constructor	Description
InstancedLightRenderer(int lightSize)	Creates a new instanced light renderer with a resizeable light buffer.

Method Summary

Modifier and Type	Method	Description
LightRenderHandle<T>	addLight(T light)	Adds the specified light to the renderer.
protected abstract com.mojang.blaze3d.vertex.MeshData	createMesh()
void	free()
List<? extends LightRenderHandle<T>>	getLights()
protected abstract @Nullable net.minecraft.client.renderer.RenderType	getRenderType(List<? extends LightRenderHandle<T>> lights)	Calculates the render type to use for the specified lights.
int	getVisibleLights()
void	prepareLights(LightRenderer lightRenderer, CullFrustum frustum)	Prepares the light renderer.
void	renderLights(LightRenderer lightRenderer)	Renders all prepared lights with this renderer.
protected abstract void	setupBufferState(VertexArrayBuilder builder)	Sets up the instanced buffer state.
LightRenderHandle<T>	steal(LightRenderHandle<T> handle)	Attempts to re-add the specified handle to this renderer if invalid.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.lwjgl.system.NativeResource

close

Field Details

lightSize

protected final int lightSize

maxLights

protected int maxLights

Constructor Details

InstancedLightRenderer

public InstancedLightRenderer(int lightSize)

Creates a new instanced light renderer with a resizeable light buffer.

Parameters:

lightSize - The size of each light in bytes

Method Details

createMesh

protected abstract com.mojang.blaze3d.vertex.MeshData createMesh()

Returns:

The mesh data each instanced light will be rendered with use

setupBufferState

protected abstract void setupBufferState(VertexArrayBuilder builder)

Sets up the instanced buffer state.

getRenderType

@Nullable
protected abstract @Nullable net.minecraft.client.renderer.RenderType getRenderType(List<? extends LightRenderHandle<T>> lights)

Calculates the render type to use for the specified lights.

Parameters:

lights - All lights in the order they are in the instanced buffer

Returns:

The render type to use

addLight

public LightRenderHandle<T> addLight(T light)

Description copied from interface: LightTypeRenderer

Adds the specified light to the renderer.

Specified by:

addLight in interface LightTypeRenderer<T extends LightData & InstancedLightData>

Parameters:

light - The light to add

Returns:

A handle to the light in the renderer

steal

public LightRenderHandle<T> steal(LightRenderHandle<T> handle)

Description copied from interface: LightTypeRenderer

Attempts to re-add the specified handle to this renderer if invalid.

Specified by:

steal in interface LightTypeRenderer<T extends LightData & InstancedLightData>

Parameters:

handle - The handle to add

Returns:

A valid handle to this renderer

prepareLights

public void prepareLights(LightRenderer lightRenderer,
 CullFrustum frustum)

Description copied from interface: LightTypeRenderer

Prepares the light renderer.

Specified by:

prepareLights in interface LightTypeRenderer<T extends LightData & InstancedLightData>

Parameters:

lightRenderer - The light renderer instance

frustum - The culling view frustum

renderLights

public void renderLights(LightRenderer lightRenderer)

Description copied from interface: LightTypeRenderer

Renders all prepared lights with this renderer.
Shaders, custom uniforms, and the way lights are rendered is up to the individual renderer.

Specified by:

renderLights in interface LightTypeRenderer<T extends LightData & InstancedLightData>

Parameters:

lightRenderer - The light renderer instance

getLights

public List<? extends LightRenderHandle<T>> getLights()

Specified by:

getLights in interface LightTypeRenderer<T extends LightData & InstancedLightData>

Returns:

A view of all lights in this renderer

getVisibleLights

public int getVisibleLights()

Specified by:

getVisibleLights in interface LightTypeRenderer<T extends LightData & InstancedLightData>

Returns:

The number of lights visible last frame

free

public void free()

Specified by:

free in interface org.lwjgl.system.NativeResource