playcanvas/build/playcanvas.prf/src/scene/lighting/lighting-params.js

PlayCanvas WebGL game engine

import { math } from '../../core/math/math.js';
import { Vec3 } from '../../core/math/vec3.js';
import { SHADOW_PCF3_32F } from '../constants.js';

class LightingParams {
		constructor(supportsAreaLights, maxTextureSize, dirtyLightsFnc){
				this._areaLightsEnabled = false;
				this._cells = new Vec3(10, 3, 10);
				this._maxLightsPerCell = 255;
				this._shadowsEnabled = true;
				this._shadowType = SHADOW_PCF3_32F;
				this._shadowAtlasResolution = 2048;
				this._cookiesEnabled = false;
				this._cookieAtlasResolution = 2048;
				this.atlasSplit = null;
				this._supportsAreaLights = supportsAreaLights;
				this._maxTextureSize = maxTextureSize;
				this._dirtyLightsFnc = dirtyLightsFnc;
		}
		applySettings(render) {
				this.shadowsEnabled = render.lightingShadowsEnabled ?? this.shadowsEnabled;
				this.cookiesEnabled = render.lightingCookiesEnabled ?? this.cookiesEnabled;
				this.areaLightsEnabled = render.lightingAreaLightsEnabled ?? this.areaLightsEnabled;
				this.shadowAtlasResolution = render.lightingShadowAtlasResolution ?? this.shadowAtlasResolution;
				this.cookieAtlasResolution = render.lightingCookieAtlasResolution ?? this.cookieAtlasResolution;
				this.maxLightsPerCell = render.lightingMaxLightsPerCell ?? this.maxLightsPerCell;
				this.shadowType = render.lightingShadowType ?? this.shadowType;
				if (render.lightingCells) {
						this.cells = new Vec3(render.lightingCells);
				}
		}
		set cells(value) {
				this._cells.copy(value);
		}
		get cells() {
				return this._cells;
		}
		set maxLightsPerCell(value) {
				this._maxLightsPerCell = math.clamp(value, 1, 255);
		}
		get maxLightsPerCell() {
				return this._maxLightsPerCell;
		}
		set cookieAtlasResolution(value) {
				this._cookieAtlasResolution = math.clamp(value, 32, this._maxTextureSize);
		}
		get cookieAtlasResolution() {
				return this._cookieAtlasResolution;
		}
		set shadowAtlasResolution(value) {
				this._shadowAtlasResolution = math.clamp(value, 32, this._maxTextureSize);
		}
		get shadowAtlasResolution() {
				return this._shadowAtlasResolution;
		}
		set shadowType(value) {
				if (this._shadowType !== value) {
						this._shadowType = value;
						this._dirtyLightsFnc();
				}
		}
		get shadowType() {
				return this._shadowType;
		}
		set cookiesEnabled(value) {
				if (this._cookiesEnabled !== value) {
						this._cookiesEnabled = value;
						this._dirtyLightsFnc();
				}
		}
		get cookiesEnabled() {
				return this._cookiesEnabled;
		}
		set areaLightsEnabled(value) {
				if (this._supportsAreaLights) {
						if (this._areaLightsEnabled !== value) {
								this._areaLightsEnabled = value;
								this._dirtyLightsFnc();
						}
				}
		}
		get areaLightsEnabled() {
				return this._areaLightsEnabled;
		}
		set shadowsEnabled(value) {
				if (this._shadowsEnabled !== value) {
						this._shadowsEnabled = value;
						this._dirtyLightsFnc();
				}
		}
		get shadowsEnabled() {
				return this._shadowsEnabled;
		}
}

export { LightingParams };