main.cpp

#include <cstdlib>
#include <cmath>
#include <GLUT/glut.h>

#include "main.h"

#include "camera/Camera.h"
//#include "chunk/Chunk.h"
#include "block/Block.h"
#include "light/Light.h"
#include "mouse/mouse.h"
#include "keyboard/keyboard.h"
#include "player/Player.h"
#include "window/Window.h"
#include "world/World.h"

#include "biome/BiomeType.h"

// Ugly but GLUT is a C lib not C++ so not easy to do clean OOP...
Player *playerPtr;
Window *windowPtr;
World *worldPtr;

namespace {
  constexpr int WINDOW_SIZE = 512;
}

int count = 0;
Light light;

void init() {
  light.ApplyLight();
}


void display() {

  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();

  playerPtr->takeAction();
  playerPtr->camera.refresh(light);

  worldPtr->update(playerPtr->camera.camera_x, playerPtr->camera.camera_z);

  playerPtr->camera.idle(sin((float) count++ / 40), 0);
  glutSwapBuffers();
  glutPostRedisplay();
}

void reshape(int w, int h) {
  glutWarpPointer(w / 2, h / 2);
  windowPtr->setWidth(w);
  windowPtr->setHeight(h);
  glViewport(0, 0, w, h);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  gluPerspective(60, (double) w / h, 0.5, 60);
  glMatrixMode(GL_MODELVIEW);
}

int main(int argc, char **argv) {
  Window window(WINDOW_SIZE, WINDOW_SIZE);
  windowPtr = &window;

  World world;
  worldPtr = &world;

  glutInit(&argc, argv);
  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
  glutInitWindowSize(WINDOW_SIZE, WINDOW_SIZE);
  glutCreateWindow("Terrain");

  Player player(Camera(0, 20, 0, 0, 0, 0));
  playerPtr = &player;
  init();
  glEnable(GL_CULL_FACE);
  glutReshapeFunc(reshape);
  glutDisplayFunc(display);
  glutMouseFunc(mouse);
  glutPassiveMotionFunc(mouseMotion);

  glutKeyboardFunc(keydown);
  glutKeyboardUpFunc(keyup);


  glutWarpPointer(200, 200);
  glClearColor(0.439, 0.729, 0.988, 0.0);
  glEnable(GL_DEPTH_TEST);
  glEnable(GL_LIGHTING);
  glEnable(GL_LIGHT0);
  glEnable(GL_NORMALIZE);
  glShadeModel(GL_SMOOTH);

  //glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
  glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
  glutMainLoop();

  return 0;
}