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- #include <iostream>
- #include <GL/glew.h>
- #include <GLFW/glfw3.h>
- #include <unordered_map>
- #include "GameClient.h"
- #include "common/utils/Types.h"
- #include "client/Keys.h"
- struct InternGameClient
- {
- ~InternGameClient()
- {
- if(window != nullptr)
- {
- glfwDestroyWindow(window);
- }
- if(glfwInitDone)
- {
- glfwTerminate();
- }
- }
-
- bool glfwInitDone = false;
- GLFWwindow* window = nullptr;
- };
- static const u64 NANOS_PER_TICK = 50000000;
- static const float lagFactor = 1.0f / NANOS_PER_TICK;
- static u64 timeFactor = 1;
- static int width = 0;
- static int height = 0;
- static InternGameClient client;
- static Keys keys;
- static bool initGLFW()
- {
- client.glfwInitDone = glfwInit();
- if(!client.glfwInitDone)
- {
- std::cout << "could not initialize GLFW\n";
- return true;
- }
- timeFactor = 1000000000 / glfwGetTimerFrequency();
- return false;
- }
- static bool initWindow(int w, int h, const char* windowName)
- {
- width = w;
- height = h;
-
- glfwDefaultWindowHints();
- glfwWindowHint(GLFW_VISIBLE, 0);
- glfwWindowHint(GLFW_RESIZABLE, 1);
-
- glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
- glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
- glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-
- client.window = glfwCreateWindow(width, height, windowName, nullptr, nullptr);
- if(client.window == nullptr)
- {
- std::cout << "could not create window\n";
- return true;
- }
- glfwMakeContextCurrent(client.window);
- glfwSwapInterval(1);
- return false;
- }
- static bool initGLEW()
- {
- GLenum err = glewInit();
- if(err != GLEW_OK)
- {
- std::cout << "could not initialize GLEW: " << glewGetErrorString(err) << "\n";
- return true;
- }
- std::cout << "using GLEW " << glewGetString(GLEW_VERSION) << "\n";
- return false;
- }
- static void initCallbacks()
- {
- // GLFWwindow* w, int key, int scancode, int action, int mod
- glfwSetKeyCallback(client.window, [](GLFWwindow*, int key, int, int action, int)
- {
- if(action == GLFW_PRESS)
- {
- keys.press(key);
- }
- else if(action == GLFW_RELEASE)
- {
- keys.release(key);
- }
- });
- //glfwSetMouseButtonCallback(window, onMouseClick);
- //glfwSetFramebufferSizeCallback(window, onWindowResize);
- //glfwSetCursorPosCallback(window, onMouseMove);
- }
- static void tick()
- {
- std::cout << keys.down << std::endl;
- keys.tick();
- }
- static void renderTick(float /*lag*/)
- {
- }
- static u64 getTimeNanos()
- {
- return glfwGetTimerValue() * timeFactor;
- }
- static void loop()
- {
- u64 lastTime = getTimeNanos();
- u64 lag = 0;
- while(!glfwWindowShouldClose(client.window))
- {
- renderTick(lag * lagFactor);
- glfwSwapBuffers(client.window);
-
- u64 newTime = getTimeNanos();
- lag += newTime - lastTime;
- lastTime = newTime;
-
- while(lag >= NANOS_PER_TICK)
- {
- lag -= NANOS_PER_TICK;
- tick();
- }
- glfwPollEvents();
- }
- }
- void GameClient::start(int w, int h, const char* windowName)
- {
- if(initGLFW() || initWindow(w, h, windowName) || initGLEW())
- {
- return;
- }
- initCallbacks();
- glfwShowWindow(client.window);
- loop();
- }
- /*#include <iostream>
- #include <cmath>
- #include "client/GameClient.h"
- #include "common/block/Blocks.h"
- #include "client/rendering/block/BlockRenderers.h"
- #include "client/rendering/entity/EntityRenderer.h"
- #include "client/rendering/gui/StartMenu.h"
- using namespace std;
- GameClient::GameClient()
- {
- BlockRegistry::registerBlocks();
- BlockRenderers::init();
- keyManager.map(KEY_LEFT, GLFW_KEY_A);
- keyManager.map(KEY_RIGHT, GLFW_KEY_D);
- keyManager.map(KEY_UP, GLFW_KEY_W);
- keyManager.map(KEY_DOWN, GLFW_KEY_S);
- keyManager.map(KEY_JUMP, GLFW_KEY_SPACE);
- keyManager.map(KEY_SNEAK, GLFW_KEY_LEFT_SHIFT);
-
- keyManager.map(KEY_TEST, GLFW_KEY_T);
-
- mouseManager.map(MOUSE_LEFT, GLFW_MOUSE_BUTTON_1);
-
- activeGUI = new StartMenu();
- }
- GameClient::~GameClient()
- {
- if(activeGUI != nullptr)
- {
- delete activeGUI;
- }
- }
- void GameClient::tick()
- {
- tps.update();
-
- diffMouseY = 0;
- diffMouseX = 0;
-
- mouseManager.tick();
- keyManager.tick();
-
- if(activeGUI != nullptr)
- {
- GUI* newGUI = activeGUI->tick(keyManager, mouseManager);
- if(newGUI != activeGUI)
- {
- delete activeGUI;
- activeGUI = newGUI;
- }
- }
- }
- void GameClient::render3DTick(float lag)
- {
- fps.update();
- }
- void GameClient::render2DTick(float lag)
- {
- if(activeGUI != nullptr)
- {
- activeGUI->render2DTick(shader, directRenderer, lag);
- }
-
- Engine::setMixMode();
- shader.setToIdentity();
- shader.updateModelMatrix();
-
- string wusi;
- wusi = "FPS: " + to_string(fps.getUpdatesPerSecond());
- float y = directRenderer.drawString(10, 10, true, wusi);
- wusi = "TPS: " + to_string(tps.getUpdatesPerSecond());
- directRenderer.drawString(10, y, true, wusi);
- }
- void GameClient::onKeyEvent(int key, int scancode, int action, int mods)
- {
- if(action == GLFW_PRESS)
- {
- keyManager.press(key);
- }
- else if(action == GLFW_RELEASE)
- {
- keyManager.release(key);
- }
- }
- double GameClient::transformMouse(double x)
- {
- if(x >= -MOUSE_BORDER && x <= MOUSE_BORDER)
- {
- return x * x * x;
- }
- else if(x >= MOUSE_BORDER)
- {
- const double k = (3 * MOUSE_BORDER * MOUSE_BORDER);
- const double y = MOUSE_BORDER * MOUSE_BORDER * MOUSE_BORDER;
- const double d = y - k * MOUSE_BORDER;
- return k * x + d;
- }
- else
- {
- const double k = (3 * MOUSE_BORDER * MOUSE_BORDER);
- const double y = -MOUSE_BORDER * MOUSE_BORDER * MOUSE_BORDER;
- const double d = y - k * MOUSE_BORDER;
- return k * x + d;
- }
- }
- void GameClient::onMouseMove(double x, double y)
- {
- if(mouseTrapped)
- {
- diffMouseX = transformMouse(oldMouseX - x) * (1 / (MOUSE_BORDER * MOUSE_BORDER * 3));
- diffMouseY = transformMouse(oldMouseY - y) * (1 / (MOUSE_BORDER * MOUSE_BORDER * 3));
- oldMouseX = x;
- oldMouseY = y;
- }
- }
- void GameClient::onMouseClick(int button, int action, int mods)
- {
- if(action == GLFW_PRESS)
- {
- mouseManager.press(button);
- }
- else if(action == GLFW_RELEASE)
- {
- mouseManager.release(button);
- }
- }*/
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