87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
#include <cstdio>
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#include "gfx/txt_renderer.h"
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#include <GL/glew.h>
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#include <SDL3/SDL.h>
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const int SCREEN_WIDTH = 1280;
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const int SCREEN_HEIGHT = 720;
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int main(int argc, char** argv) {
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/* Init SDL. */
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if(!SDL_Init(SDL_INIT_VIDEO)) {
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printf("SDL could not initialise! SDL_ERROR: %s\n", SDL_GetError());
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return 1;
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}
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/* Set OpenGL attributes. */
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
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/* Create a window. */
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SDL_Window* window = SDL_CreateWindow(
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"Bettola Client",
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SCREEN_WIDTH,
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SCREEN_HEIGHT,
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SDL_WINDOW_OPENGL
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);
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if(window == NULL) {
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printf("Unable to create window! SDL_ERROR: %s\n", SDL_GetError());
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return 1;
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}
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/* Create OpenGL context. */
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SDL_GLContext context = SDL_GL_CreateContext(window);
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if(context == NULL) {
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printf("OpenGL context could not be created! SDL_ERROR: %s\n", SDL_GetError());
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return 1;
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}
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/* Initialise GLEW. */
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glewExperimental = GL_TRUE;
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GLenum glewError = glewInit();
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if(glewError != GLEW_OK) {
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printf("Error initialising GLEW! %s\n", glewGetErrorString(glewError));
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return 1;
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}
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/* Configure OpenGL. */
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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/* Init text renderer. */
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TextRenderer* txt_render_instance = new TextRenderer(SCREEN_WIDTH, SCREEN_HEIGHT);
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txt_render_instance->load_font("assets/fonts/hack/Hack-Regular.ttf", 24);
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bool running = true;
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while(running) {
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/* Event handling. */
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SDL_Event event;
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while(SDL_PollEvent(&event)) {
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if(event.type == SDL_EVENT_QUIT) {
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running = false;
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}
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}
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/* Clear screen. */
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glClearColor(0.1f, 0.1f, 0.1, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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/* Render text. */
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float white[] = { 1.0f, 1.0f, 1.0f };
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txt_render_instance->render_text("Hello World", 25.0f, SCREEN_HEIGHT - 50.0f,
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1.0f, white);
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/* It's really odd to call it SwapWindow now, rather than SwapBuffer. */
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SDL_GL_SwapWindow(window);
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}
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/* Cleanup. */
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delete txt_render_instance;
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SDL_GL_DestroyContext(context);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 0;
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}
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