#ifndef LIGHTING_CLASS
#define LIGHTING_CLASS

#include <vector>

#include "Light.h"

// Every light in the scene. Directional lights are the only ones without shadows, apart from the sun.
class Lighting {
public:
	DirectionalLight sun;
	std::vector<DirectionalLight*> directionalLights;
	std::vector<PointLight*> pointLights;
	std::vector<SpotLight*> spotLights;
	std::vector<glm::mat4> shadowTileMatrices;   // world to light clip space, one per used atlas tile

	Lighting() {
		sun.color = glm::vec3(1.0f, 0.97f, 0.92f);
		sun.intensity = 3.0f;
	}

	DirectionalLight* AddDirectionalLight(const glm::vec3& direction, const glm::vec3& color, float intensity) {
		DirectionalLight* light = new DirectionalLight();
		light->direction = glm::normalize(direction);
		light->color = color;
		light->intensity = intensity;
		directionalLights.push_back(light);
		return light;
	}

	PointLight* AddPointLight(const glm::vec3& position, const glm::vec3& color, float intensity, float radius) {
		PointLight* light = new PointLight();
		light->position = position;
		light->color = color;
		light->intensity = intensity;
		light->radius = radius;
		pointLights.push_back(light);
		return light;
	}

	SpotLight* AddSpotLight(const glm::vec3& position, const glm::vec3& direction, const glm::vec3& color,
		float intensity, float radius, float innerAngle, float outerAngle) {
		SpotLight* light = new SpotLight();
		light->position = position;
		light->direction = glm::normalize(direction);
		light->color = color;
		light->intensity = intensity;
		light->radius = radius;
		light->innerAngle = innerAngle;
		light->outerAngle = outerAngle;
		spotLights.push_back(light);
		return light;
	}

private:

};

#endif