/** Face culling sides. */
export const Side = {
	Front: 0,
	Back: 1,
	Double: 2,
} as const;

export type Side = (typeof Side)[keyof typeof Side];

/** Shading models available in the scanline rasterizer. */
export const Shading = {
	Flat: 0,
	Gouraud: 1,
} as const;

export type Shading = (typeof Shading)[keyof typeof Shading];

/** Draw order layers within a tile. Higher values draw later (on top). */
export const Layer = {
	GROUND: 0,
	SCENERY: 1,
	ENTITY: 2,
	OVERLAY: 3,
} as const;

export type Layer = (typeof Layer)[keyof typeof Layer];

/** Texture UV wrapping modes. */
export const Wrapping = {
	ClampToEdge: 0,
	Repeat: 1,
} as const;

export type Wrapping = (typeof Wrapping)[keyof typeof Wrapping];

/** Numeric light type identifiers for fast dispatch in the shading pipeline. */
export const LightType = {
	Ambient: 0,
	Hemisphere: 1,
	Directional: 2,
	Point: 3,
	Spot: 4,
} as const;

export type LightType = (typeof LightType)[keyof typeof LightType];