init dump

Sources/JolkEngine/Renderer/Environment.swift

@@ -0,0 +1,81 @@
+public enum Fog
+{
+	public enum Mode
+	{
+		case distance
+		case depth
+	}
+
+	public enum RangeType
+	{
+		case linear
+		case smooth
+	}
+
+	public enum FactorType
+	{
+		case exp
+		case exp2
+	}
+
+	case none
+	case range(colour: Colour, mode: Mode, type: RangeType, start: Float, end: Float)
+	case factor(colour: Colour, mode: Mode, type: FactorType, density: Float)
+}
+
+public enum Light
+{
+	case directional(colour: Colour, direction: Vec3f)
+	case point(colour: Colour, position: Vec3f, intensity: Float)
+}
+
+public struct Environment
+{
+	public var fog: Fog = .none
+	public var ambient: Colour = .black
+	public var lights: [Light] = .init()
+
+	public init() {}
+
+	public init(fog: Fog, ambient: Colour, lights: [Light])
+	{
+		self.fog = fog
+		self.ambient = ambient
+		self.lights = lights
+	}
+}
+
+public extension Environment
+{
+	enum FogFalloff
+	{
+		case range(type: Fog.RangeType, start: Float, end: Float)
+		case factor(type: Fog.FactorType, density: Float)
+	}
+
+	mutating func setFog(colour: Colour, mode: Fog.Mode, falloff: FogFalloff)
+	{
+		fog = switch falloff
+		{
+		case .range(let type, let start, let end):
+			.range(colour: colour, mode: mode, type: type, start: start, end: end)
+		case .factor(let type, let density):
+			.factor(colour: colour, mode: mode, type: type, density: density)
+		}
+	}
+
+	mutating func addAmbientLight(colour: Colour)
+	{
+		ambient = colour
+	}
+
+	mutating func addDirectionalLight(direction: Vec3f, colour: Colour)
+	{
+		lights.append(.directional(colour: colour, direction: direction))
+	}
+
+	mutating func addPointLight(position: Vec3f, colour: Colour, intensity: Float)
+	{
+		lights.append(.point(colour: colour, position: position, intensity: intensity))
+	}
+}