src/main.c

   1 #include <GL/glxew.h>
   2 #include <GLFW/glfw3.h>
   3
   4 #include "engine/logger.h"
   5 #include "engine/performance.h"
   6 #include "engine/render.h"
   7 #include "engine/ui.h"
   8
   9 #include "game/input.h"
  10 #include "game/level.h"
  11 #include "game/player.h"
  12
  13 void onGlfwError(int error, const char* description);
  14
  15 int main(/*int argc, char** argv*/) {
  16         glfwSetErrorCallback(onGlfwError);
  17
  18         if (!glfwInit()) {
  19                 logError("GLFW init failed");
  20                 return 1;
  21         }
  22         // glutInitContextVersion(4,5); TODO establish correct context
  23         // glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
  24         // glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
  25
  26         GLFWwindow* window = glfwCreateWindow(1280, 720, "shadowclad", NULL, NULL);
  27         if (!window) {
  28                 logError("Window or context creation failed");
  29                 glfwTerminate();
  30                 return 2;
  31         }
  32
  33         glfwMakeContextCurrent(window);
  34         //glutInitDisplayMode(//glut_DOUBLE | //glut_RGBA | //glut_DEPTH);
  35
  36         logInfo("OpenGL %s", (const char*) glGetString(GL_VERSION));
  37         logInfo("GLSL %s", (const char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
  38         logInfo("%s", (const char*) glGetString(GL_RENDERER));
  39
  40         GLenum glewInitStatus = glewInit();
  41         if (glewInitStatus != GLEW_OK) {
  42                 logError("GLEW init failed: %s", (const char*) glewGetErrorString(glewInitStatus));
  43                 return 1;
  44         }
  45         logInfo("GLEW %s", (const char*) glewGetString(GLEW_VERSION));
  46 /*
  47         if (GLXEW_EXT_swap_control) {
  48                 Display* display = glXGetCurrentDisplay();
  49                 GLXDrawable drawable = glXGetCurrentDrawable();
  50                 if (drawable) {
  51                         glXSwapIntervalEXT(display, drawable, 1);
  52                 }
  53                 else {
  54                         logWarning("Drawable is not here ¯\\_(ツ)_/¯");
  55                         logWarning("Could not enable vsync (GLX_EXT_swap_control)");
  56                 }
  57         }
  58         else if (GLXEW_MESA_swap_control) {
  59                 glXSwapIntervalMESA(1);
  60                 logDebug("Vsync enabled with GLX_MESA_swap_control, swap interval %d", glXGetSwapIntervalMESA());
  61         }
  62         else {
  63                 logWarning("Could not enable vsync (extensions not supported)");
  64         }
  65 */
  66         logInfo("Setting swap interval to 1");
  67         glfwSwapInterval(1);
  68
  69         int width, height;
  70         glfwGetFramebufferSize(window, &width, &height);
  71         resizeStage(window, width, height);
  72
  73         glfwSetFramebufferSizeCallback(window, resizeStage);
  74         glfwSetKeyCallback(window, onKeyboardEvent);
  75
  76         initRender();
  77         //initPerformanceMetering();
  78         initLevel();
  79         initPlayer();
  80         startLevel();
  81
  82         while (!glfwWindowShouldClose(window)) {
  83                 renderFrame(window);
  84                 glfwPollEvents();
  85         }
  86
  87         glfwTerminate();
  88         return 0;
  89 }
  90
  91 void onGlfwError(int error, const char* description) {
  92         logError("GLFW error: %s", description);
  93 }