Project-CL3/lights.cpp at master · KrishSingaria/Project-CL3 · GitHub

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#include <lights.hpp>
#include <algorithm>
#include <GLFW/glfw3.h>

LightManager::LightManager() {
	for (int i = 0; i < MAX_LIGHTS; i++)
	{
		this->lightStates[i] = true; // all ON by default
	}
}

void LightManager::initFromScene(vector<GameObject*>& sceneObjects) {
	this->lights.clear();

	for (GameObject* obj : sceneObjects) {
		if(obj->lightID != -1) {
			this->lights.push_back(obj);
		}
	}

	// sort the lights but their lightID
	std::sort(this->lights.begin(), this->lights.end(),
		[](GameObject* a, GameObject* b) {
			return a->lightID < b->lightID;
		});

	//this->lightStates = vector<bool>(this->lights.size(), true); // all ON by default
	return;
}

void LightManager::toggleLight(int lightIndex) {
	if (lightIndex >= 0 && lightIndex < MAX_LIGHTS) {
		this->lightStates[lightIndex] = !this->lightStates[lightIndex]; // toggle
	}
}

glm::vec3 LightManager::getLightPosition(int lightIndex) {
	if (lightIndex >= 0 && lightIndex < this->lights.size()) {
		return glm::vec3(this->lights[lightIndex]->objectCenter);
	}
	return glm::vec3(1, 1, 1);
}

void setLights(LightManager& lightManager, GLFWwindow* window,vector<bool>& keyPressed) {
	// Toggle ith light with key 'i'

	// light 1 num 1
	if(glfwGetKey(window,GLFW_KEY_1) == GLFW_PRESS && !keyPressed[0]) {
		lightManager.toggleLight(0);
		keyPressed[0] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_1) == GLFW_RELEASE) {
		keyPressed[0] = false;
	}
	// light 2 num 2
	if (glfwGetKey(window, GLFW_KEY_2) == GLFW_PRESS && !keyPressed[1]) {
		lightManager.toggleLight(1);
		keyPressed[1] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_2) == GLFW_RELEASE) {
		keyPressed[1] = false;
	}
	// light 3 num 3
	if (glfwGetKey(window, GLFW_KEY_3) == GLFW_PRESS && !keyPressed[2]) {
		lightManager.toggleLight(2);
		keyPressed[2] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_3) == GLFW_RELEASE) {
		keyPressed[2] = false;
	}
	// light 4 num 4
	if (glfwGetKey(window, GLFW_KEY_4) == GLFW_PRESS && !keyPressed[3]) {
		lightManager.toggleLight(3);
		keyPressed[3] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_4) == GLFW_RELEASE) {
		keyPressed[3] = false;
	}
	// light 5 num 5
	if (glfwGetKey(window, GLFW_KEY_5) == GLFW_PRESS && !keyPressed[4]) {
		lightManager.toggleLight(4);
		keyPressed[4] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_5) == GLFW_RELEASE) {
		keyPressed[4] = false;
	}
	// light 6 num 6
	if (glfwGetKey(window, GLFW_KEY_6) == GLFW_PRESS && !keyPressed[5]) {
		lightManager.toggleLight(5);
		keyPressed[5] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_6) == GLFW_RELEASE) {
		keyPressed[5] = false;
	}
	// light 7 num 7
	if (glfwGetKey(window, GLFW_KEY_7) == GLFW_PRESS && !keyPressed[6]) {
		lightManager.toggleLight(6);
		keyPressed[6] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_7) == GLFW_RELEASE) {
		keyPressed[6] = false;
	}
	// light 8 num 8
	if (glfwGetKey(window, GLFW_KEY_8) == GLFW_PRESS && !keyPressed[7]) {
		lightManager.toggleLight(7);
		keyPressed[7] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_8) == GLFW_RELEASE) {
		keyPressed[7] = false;
	}
	// light 9 num 9
	if (glfwGetKey(window, GLFW_KEY_9) == GLFW_PRESS && !keyPressed[8]) {
		lightManager.toggleLight(8);
		keyPressed[8] = true;
	}
	else if (glfwGetKey(window, GLFW_KEY_9) == GLFW_RELEASE) {
		keyPressed[8] = false;
	}
}