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MihailRis
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#include <iostream>
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#define GLEW_STATIC
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#include <GL/glew.h>
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#include <GLFW/glfw3.h>
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#include <ctime>
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// GLM
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#include <glm/glm.hpp>
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#include <glm/ext.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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using namespace glm;
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#include "graphics/Shader.h"
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#include "graphics/Texture.h"
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#include "graphics/Mesh.h"
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#include "graphics/VoxelRenderer.h"
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#include "graphics/LineBatch.h"
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#include "window/Window.h"
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#include "window/Events.h"
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#include "window/Camera.h"
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#include "loaders/png_loading.h"
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#include "voxels/voxel.h"
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#include "voxels/Chunk.h"
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#include "voxels/Chunks.h"
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#include "voxels/Block.h"
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#include "voxels/WorldGenerator.h"
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#include "files/files.h"
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#include "files/WorldFiles.h"
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#include "lighting/LightSolver.h"
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#include "lighting/Lightmap.h"
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#include "lighting/Lighting.h"
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int WIDTH = 1280;
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int HEIGHT = 720;
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float vertices[] = {
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// x y
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-0.01f,-0.01f,
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0.01f, 0.01f,
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-0.01f, 0.01f,
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0.01f,-0.01f,
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};
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int attrs[] = {
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2, 0 //null terminator
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};
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int main() {
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Window::initialize(WIDTH, HEIGHT, "Window 2.0");
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Events::initialize();
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Shader* shader = load_shader("res/main.glslv", "res/main.glslf");
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if (shader == nullptr){
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std::cerr << "failed to load shader" << std::endl;
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Window::terminate();
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return 1;
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}
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Shader* crosshairShader = load_shader("res/crosshair.glslv", "res/crosshair.glslf");
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if (crosshairShader == nullptr){
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std::cerr << "failed to load crosshair shader" << std::endl;
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Window::terminate();
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return 1;
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}
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Shader* linesShader = load_shader("res/lines.glslv", "res/lines.glslf");
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if (linesShader == nullptr){
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std::cerr << "failed to load lines shader" << std::endl;
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Window::terminate();
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return 1;
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}
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Texture* texture = load_texture("res/block.png");
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if (texture == nullptr){
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std::cerr << "failed to load texture" << std::endl;
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delete shader;
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Window::terminate();
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return 1;
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}
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{
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// AIR
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Block* block = new Block(0,0);
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block->drawGroup = 1;
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block->lightPassing = true;
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Block::blocks[block->id] = block;
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// STONE
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block = new Block(1,2);
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Block::blocks[block->id] = block;
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// GRASS
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block = new Block(2,4);
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block->textureFaces[2] = 2;
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block->textureFaces[3] = 1;
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Block::blocks[block->id] = block;
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// LAMP
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block = new Block(3,3);
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block->emission[0] = 10;
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block->emission[1] = 0;
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block->emission[2] = 0;
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Block::blocks[block->id] = block;
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// GLASS
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block = new Block(4,5);
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block->drawGroup = 2;
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block->lightPassing = true;
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Block::blocks[block->id] = block;
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// PLANKS
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block = new Block(5,6);
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Block::blocks[block->id] = block;
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}
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WorldFiles wfile = WorldFiles("world/", 24*1024*1024);
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Chunks* chunks = new Chunks(16*4,1,16*4, 0,0,0);
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VoxelRenderer renderer(1024*1024*8);
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LineBatch* lineBatch = new LineBatch(4096);
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Lighting::initialize(chunks);
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glClearColor(0.0f,0.0f,0.0f,1);
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_CULL_FACE);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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Mesh* crosshair = new Mesh(vertices, 4, attrs);
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Camera* camera = new Camera(vec3(32,32,32), radians(90.0f));
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float lastTime = glfwGetTime();
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float delta = 0.0f;
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float camX = 0.0f;
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float camY = 0.0f;
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float speed = 15;
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int choosenBlock = 1;
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glfwSwapInterval(0);
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while (!Window::isShouldClose()){
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float currentTime = glfwGetTime();
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delta = currentTime - lastTime;
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lastTime = currentTime;
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if (Events::jpressed(GLFW_KEY_ESCAPE)){
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Window::setShouldClose(true);
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}
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if (Events::jpressed(GLFW_KEY_TAB)){
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Events::toogleCursor();
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}
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for (int i = 1; i < 6; i++){
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if (Events::jpressed(GLFW_KEY_0+i)){
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choosenBlock = i;
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}
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}
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if (Events::pressed(GLFW_KEY_W)){
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camera->position += camera->front * delta * speed;
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}
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if (Events::pressed(GLFW_KEY_S)){
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camera->position -= camera->front * delta * speed;
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}
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if (Events::pressed(GLFW_KEY_D)){
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camera->position += camera->right * delta * speed;
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}
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if (Events::pressed(GLFW_KEY_A)){
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camera->position -= camera->right * delta * speed;
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}
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chunks->setCenter(camera->position.x,0,camera->position.z);
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chunks->_buildMeshes(&renderer);
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chunks->loadVisible(&wfile);
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if (Events::_cursor_locked){
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camY += -Events::deltaY / Window::height * 2;
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camX += -Events::deltaX / Window::height * 2;
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if (camY < -radians(89.0f)){
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camY = -radians(89.0f);
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}
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if (camY > radians(89.0f)){
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camY = radians(89.0f);
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}
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camera->rotation = mat4(1.0f);
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camera->rotate(camY, camX, 0);
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}
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{
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vec3 end;
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vec3 norm;
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vec3 iend;
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voxel* vox = chunks->rayCast(camera->position, camera->front, 10.0f, end, norm, iend);
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if (vox != nullptr){
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lineBatch->box(iend.x+0.5f, iend.y+0.5f, iend.z+0.5f, 1.005f,1.005f,1.005f, 0,0,0,0.5f);
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if (Events::jclicked(GLFW_MOUSE_BUTTON_1)){
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int x = (int)iend.x;
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int y = (int)iend.y;
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int z = (int)iend.z;
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chunks->set(x,y,z, 0);
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Lighting::onBlockSet(x,y,z,0);
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}
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if (Events::jclicked(GLFW_MOUSE_BUTTON_2)){
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int x = (int)(iend.x)+(int)(norm.x);
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int y = (int)(iend.y)+(int)(norm.y);
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int z = (int)(iend.z)+(int)(norm.z);
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chunks->set(x, y, z, choosenBlock);
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Lighting::onBlockSet(x,y,z, choosenBlock);
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}
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}
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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// Draw VAO
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shader->use();
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shader->uniformMatrix("projview", camera->getProjection()*camera->getView());
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texture->bind();
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mat4 model(1.0f);
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for (size_t i = 0; i < chunks->volume; i++){
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Chunk* chunk = chunks->chunks[i];
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if (chunk == nullptr)
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continue;
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Mesh* mesh = chunks->meshes[i];
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if (mesh == nullptr)
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continue;
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model = glm::translate(mat4(1.0f), vec3(chunk->x*CHUNK_W+0.5f, chunk->y*CHUNK_H+0.5f, chunk->z*CHUNK_D+0.5f));
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shader->uniformMatrix("model", model);
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mesh->draw(GL_TRIANGLES);
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}
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crosshairShader->use();
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crosshair->draw(GL_LINES);
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linesShader->use();
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linesShader->uniformMatrix("projview", camera->getProjection()*camera->getView());
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glLineWidth(2.0f);
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lineBatch->render();
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Window::swapBuffers();
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Events::pullEvents();
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}
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Lighting::finalize();
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for (unsigned int i = 0; i < chunks->volume; i++){
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Chunk* chunk = chunks->chunks[i];
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if (chunk == nullptr)
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continue;
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wfile.put((const char*)chunk->voxels, chunk->x, chunk->z);
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}
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wfile.write();
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delete shader;
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delete texture;
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delete chunks;
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delete crosshair;
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delete crosshairShader;
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delete linesShader;
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delete lineBatch;
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Window::terminate();
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return 0;
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}
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