sdl2 yay

main.odin

@@ -1,41 +1,54 @@
 package main
 
 import "core:fmt"
-import gl "vendor:OpenGL"
-import "vendor:glfw"
+import "vendor:sdl2"
 
 WIDTH :: 1600
 HEIGHT :: 900
 
-// @note You might need to lower this to 3.3 depending on how old your graphics card is.
-GL_MAJOR_VERSION :: 4
-GL_MINOR_VERSION :: 5
+Game :: struct {
+	render: ^sdl2.Renderer,
+	time:   f64,
+	dt:     f64,
+}
 
+get_time :: proc() -> f64 {
+	return f64(sdl2.GetPerformanceCounter()) * 1000 / f64(sdl2.GetPerformanceFrequency())
+}
 
 main :: proc() {
-	if !bool(glfw.Init()) {
-		fmt.eprintln("GLFW failed to load!")
+	assert(sdl2.Init(sdl2.INIT_VIDEO) == 0, sdl2.GetErrorString())
+	defer sdl2.Quit()
+
+	window := sdl2.CreateWindow("Game", 0, 0, 1600, 900, sdl2.WINDOW_SHOWN)
+	assert(window != nil, sdl2.GetErrorString())
+	defer sdl2.DestroyWindow(window)
+
+	render := sdl2.CreateRenderer(window, -1, sdl2.RENDERER_ACCELERATED)
+	assert(render != nil, sdl2.GetErrorString())
+
+	tickrate := 240.0
+	ticktime := 1000.0 / tickrate
+
+	game := Game {
+		render = render,
+		time   = get_time(),
+		dt     = ticktime,
+	}
+
+	for {
+		event: sdl2.Event
+		for sdl2.PollEvent(&event) {
+			#partial switch event.type {
+			case .QUIT:
 				return
+
+			}
 		}
 
-	window := glfw.CreateWindow(WIDTH, HEIGHT, "hello", nil, nil)
-
-	defer glfw.Terminate()
-	defer glfw.DestroyWindow(window)
-
-	if window == nil {
-		fmt.eprintln("GLFW has failed to load the window.")
-		return
-	}
-
-	glfw.MakeContextCurrent(window)
-	gl.load_up_to(GL_MAJOR_VERSION, GL_MINOR_VERSION, glfw.gl_set_proc_address)
-	for !glfw.WindowShouldClose(window) {
-		glfw.PollEvents()
-		gl.ClearColor(1.0, 1.0, 1.0, 1.0)
-		gl.Clear(gl.COLOR_BUFFER_BIT)
-
-		glfw.SwapBuffers(window)
+		sdl2.SetRenderDrawColor(render, 0, 0, 0, 0)
+		sdl2.RenderClear(render)
+		sdl2.RenderPresent(render)
 	}
 
 }