func CreateRenderer(windowWidth, windowHeight int) *Renderer {
if err := glfw.Init(); err != nil {
log.Fatalln("failed to initialize glfw:", err)
}
// defer glfw.Terminate()
glfw.WindowHint(glfw.Resizable, glfw.False)
glfw.WindowHint(glfw.ContextVersionMajor, 4)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
glfw.WindowHint(glfw.OpenGLForwardCompatible, glfw.True)
if windowWidth == 0 && windowHeight == 0 {
windowWidth, windowHeight = glfw.GetPrimaryMonitor().GetPhysicalSize()
}
fmt.Println("Window Width -", windowWidth, "Window Height -", windowHeight)
window, err := glfw.CreateWindow(windowWidth, windowHeight, "Karma", glfw.GetPrimaryMonitor(), nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
window.SetKeyCallback(testCallback)
// Initialize Glow
if err := gl.Init(); err != nil {
panic(err)
}
version := gl.GoStr(gl.GetString(gl.VERSION))
fmt.Println("OpenGL version", version)
shaders := Shaders{}
textureFlatUniforms := []string{"projection", "camera", "modelView", "tex"}
textureFlatAttributes := []string{"vert", "vertTexCoord"}
fmt.Println(textureFlatUniforms)
fmt.Println(textureFlatAttributes)
shader, err := createProgram("./assets/shaders/texture_flat.vs", "./assets/shaders/texture_flat.fs", textureFlatUniforms, textureFlatAttributes)
if err != nil {
panic(err)
}
shaders.textureFlat = shader
meshes := []*Mesh{}
previousTime := glfw.GetTime()
return &Renderer{
PreviousTime: previousTime,
Window: window,
Shaders: &shaders,
Meshes: meshes,
}
}
func (u *userInterface) start(width, height, scale int, title string) (actualScale int, err error) {
videoMode := glfw.GetPrimaryMonitor().GetVideoMode()
x := (videoMode.Width - width*scale) / 2
y := (videoMode.Height - height*scale) / 3
u.setScreenSize(width, height, scale)
u.window.SetTitle(title)
u.window.SetPos(x, y)
u.window.Show()
return u.actualScale, nil
}
//CreateWindow creates a new glfw window. If fullscreen will place the screen on primary monitor.
func CreateWindow(width, height int, title string, fullscreen bool) (window *glfw.Window) {
SetContext()
var x *glfw.Monitor
if fullscreen {
x = glfw.GetPrimaryMonitor()
}
window, err := glfw.CreateWindow(width, height, title, x, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
letsglowLETSGLOW()
glbs()
QueryExtentions()
return
}
func (c *Context) createWindow() (err error) {
var (
monitor *glfw.Monitor = nil
)
if c.window != nil {
win := c.window
c.window = nil
win.Destroy()
}
if c.fullscreen == true {
monitor = glfw.GetPrimaryMonitor()
}
if c.window, err = glfw.CreateWindow(c.w, c.h, c.name, monitor, nil); err != nil {
return
}
c.Events = newEvents(c.window)
c.window.MakeContextCurrent()
return
}
func (u *userInterface) Start(width, height, scale int, title string) error {
var err error
u.runOnMainThread(func() {
m := glfw.GetPrimaryMonitor()
v := m.GetVideoMode()
u.deviceScale = deviceScale()
u.framebufferScale = 1
if !u.setScreenSize(width, height, scale) {
err = errors.New("ui: Fail to set the screen size")
return
}
u.window.SetTitle(title)
u.window.Show()
x := (v.Width - width*u.windowScale()) / 2
y := (v.Height - height*u.windowScale()) / 3
u.window.SetPos(x, y)
})
return err
}
func (c *Context) CreateWindow(w, h int, name string) (err error) {
c.w = w
c.h = h
c.name = name
var monitor *glfw.Monitor
if c.fullscreen == true {
monitor = glfw.GetPrimaryMonitor()
}
if c.window, err = glfw.CreateWindow(c.w, c.h, c.name, monitor, nil); err != nil {
return
}
if c.cursor == false {
c.window.SetInputMode(glfw.CursorMode, glfw.CursorHidden)
}
c.window.MakeContextCurrent()
gl.Init()
if e := gl.GetError(); e != 0 {
if e == gl.INVALID_ENUM {
fmt.Printf("GL_INVALID_ENUM when calling glInit\n")
} else {
err = fmt.Errorf("OpenGL glInit error: %X\n", e)
return
}
}
c.OpenGLVersion = glfw.GetVersionString()
c.ShaderVersion = gl.GoStr(gl.GetString(gl.SHADING_LANGUAGE_VERSION))
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.ClearColor(0.0, 0.0, 0.0, 1.0)
gl.Disable(gl.CULL_FACE)
glfw.SwapInterval(1)
if c.VAO, err = CreateVAO(); err != nil {
return
}
gl.BindVertexArray(c.VAO)
c.Events = NewEventHandler(c.window)
return
}
func InitDisplay(title string) error {
defer tlog.FuncLog(tlog.Func("InitDisplay"))
runtime.LockOSThread()
err := glfw.Init()
if err != nil {
return err
}
monitor := glfw.GetPrimaryMonitor()
mode := monitor.GetVideoMode()
tlog.Println("monitor mode", mode)
if DEBUG {
glfw.WindowHint(glfw.OpenGLDebugContext, gl.TRUE)
}
glfw.WindowHint(glfw.ContextVersionMajor, 3)
glfw.WindowHint(glfw.ContextVersionMinor, 3)
glfw.WindowHint(glfw.OpenGLForwardCompatible, 1)
glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
window, err = glfw.CreateWindow(mode.Width, mode.Height, title, nil, nil)
if err != nil {
return err
}
window.SetKeyCallback(onKey)
// glfw.SetMouseButtonCallback(onMouseBtn)
window.MakeContextCurrent()
glfw.SwapInterval(1)
return nil
}
func CreateWindow(title string, width, height int, fullscreen bool) {
err := glfw.Init()
fatalErr(err)
Arrow = glfw.CreateStandardCursor(int(glfw.ArrowCursor))
Hand = glfw.CreateStandardCursor(int(glfw.HandCursor))
IBeam = glfw.CreateStandardCursor(int(glfw.IBeamCursor))
Crosshair = glfw.CreateStandardCursor(int(glfw.CrosshairCursor))
monitor := glfw.GetPrimaryMonitor()
mode := monitor.GetVideoMode()
gameWidth = float32(width)
gameHeight = float32(height)
if fullscreen {
width = mode.Width
height = mode.Height
glfw.WindowHint(glfw.Decorated, 0)
} else {
monitor = nil
}
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
window, err = glfw.CreateWindow(width, height, title, nil, nil)
fatalErr(err)
window.MakeContextCurrent()
if !fullscreen {
window.SetPos((mode.Width-width)/2, (mode.Height-height)/2)
}
width, height = window.GetFramebufferSize()
windowWidth, windowHeight = float32(width), float32(height)
SetVSync(vsync)
Gl = webgl.NewContext()
Gl.Viewport(0, 0, width, height)
window.SetFramebufferSizeCallback(func(window *glfw.Window, w, h int) {
width, height = window.GetFramebufferSize()
Gl.Viewport(0, 0, width, height)
// TODO: when do we want to handle resizing? and who should deal with it?
// responder.Resize(w, h)
})
window.SetCursorPosCallback(func(window *glfw.Window, x, y float64) {
Mouse.X, Mouse.Y = float32(x), float32(y)
Mouse.Action = MOVE
})
window.SetMouseButtonCallback(func(window *glfw.Window, b glfw.MouseButton, a glfw.Action, m glfw.ModifierKey) {
x, y := window.GetCursorPos()
Mouse.X, Mouse.Y = float32(x), float32(y)
// this is only valid because we use an internal structure that is
// 100% compatible with glfw3.h
Mouse.Button = MouseButton(b)
Mouse.Modifer = Modifier(m)
if a == glfw.Press {
Mouse.Action = PRESS
} else {
Mouse.Action = RELEASE
}
})
window.SetScrollCallback(func(window *glfw.Window, xoff, yoff float64) {
Mouse.ScrollX = float32(xoff)
Mouse.ScrollY = float32(yoff)
})
window.SetKeyCallback(func(window *glfw.Window, k glfw.Key, s int, a glfw.Action, m glfw.ModifierKey) {
key := Key(k)
if a == glfw.Press {
keyStates[key] = true
} else if a == glfw.Release {
keyStates[key] = false
}
})
window.SetSizeCallback(func(w *glfw.Window, widthInt int, heightInt int) {
windowWidth = float32(widthInt)
windowHeight = float32(heightInt)
if !scaleOnResize {
gameWidth, gameHeight = float32(widthInt), float32(heightInt)
// Update default batch
for _, scene := range scenes {
if scene.world == nil {
continue // with other scenes
}
for _, s := range scene.world.Systems() {
if _, ok := s.(*RenderSystem); ok {
Shaders.def.SetProjection(gameWidth, gameHeight)
}
}
}
}
// Update HUD batch
for _, scene := range scenes {
if scene.world == nil {
continue // with other scenes
}
for _, s := range scene.world.Systems() {
if _, ok := s.(*RenderSystem); ok {
// TODO: don't call it directly, but let HUD listen for it
//Shaders.HUD.SetProjection(windowWidth, windowHeight)
}
}
}
})
window.SetCharCallback(func(window *glfw.Window, char rune) {
// TODO: what does this do, when can we use it?
// it's like KeyCallback, but for specific characters instead of keys...?
// responder.Type(char)
})
}
func run(title string, width, height int, fullscreen bool) {
defer runtime.UnlockOSThread()
runtime.GOMAXPROCS(runtime.NumCPU())
fatalErr(glfw.Init())
monitor := glfw.GetPrimaryMonitor()
mode := monitor.GetVideoMode()
// ideally we want a "windowless full screen"
// but using normal full screen and disabling minimizing on OS X (which is broken)
// is the best we can do for now...
if fullscreen {
if runtime.GOOS == "darwin" {
glfw.WindowHint(glfw.AutoIconify, glfw.False)
}
glfw.WindowHint(glfw.Decorated, glfw.False)
} else {
monitor = nil
}
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
var err error
window, err = glfw.CreateWindow(width, height, title, monitor, nil)
fatalErr(err)
window.MakeContextCurrent()
if !fullscreen {
window.SetPos((mode.Width-width)/2, (mode.Height-height)/2)
}
width, height = window.GetFramebufferSize()
glfw.SwapInterval(1)
gl = webgl.NewContext()
gl.Viewport(0, 0, width, height)
window.SetFramebufferSizeCallback(func(window *glfw.Window, w, h int) {
width, height = window.GetFramebufferSize()
gl.Viewport(0, 0, width, height)
responder.Resize(w, h)
})
window.SetCursorPosCallback(func(window *glfw.Window, x, y float64) {
responder.Mouse(float32(x), float32(y), MouseMove, MOVE)
})
window.SetMouseButtonCallback(func(window *glfw.Window, b glfw.MouseButton, a glfw.Action, m glfw.ModifierKey) {
x, y := window.GetCursorPos()
if a == glfw.Press {
responder.Mouse(float32(x), float32(y), MouseKey(b), PRESS)
} else {
responder.Mouse(float32(x), float32(y), MouseKey(b), RELEASE)
}
})
window.SetScrollCallback(func(window *glfw.Window, xoff, yoff float64) {
responder.Scroll(float32(yoff))
})
window.SetKeyCallback(func(window *glfw.Window, k glfw.Key, s int, a glfw.Action, m glfw.ModifierKey) {
if a == glfw.Press {
responder.Key(Key(k), Modifier(m), PRESS)
} else if a == glfw.Release {
responder.Key(Key(k), Modifier(m), RELEASE)
}
})
window.SetCharCallback(func(window *glfw.Window, char rune) {
responder.Type(char)
})
setupAudio()
responder.Preload()
Files.Load(func() {})
responder.Setup()
shouldClose := window.ShouldClose()
for !shouldClose {
responder.Update(Time.Delta())
gl.Clear(gl.COLOR_BUFFER_BIT)
responder.Render()
window.SwapBuffers()
glfw.PollEvents()
Time.Tick()
shouldClose = window.ShouldClose()
}
window.Destroy()
glfw.Terminate()
responder.Close()
}
//Start -
func (glRenderer *OpenglRenderer) Start() {
if err := glfw.Init(); err != nil {
log.Fatalln("failed to initialize glfw:", err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Resizable, glfw.False)
glfw.WindowHint(glfw.ContextVersionMajor, 4)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
glfw.WindowHint(glfw.OpenGLProfile, glfw.OpenGLCoreProfile)
glfw.WindowHint(glfw.OpenGLForwardCompatible, glfw.True)
if glRenderer.FullScreen {
glRenderer.WindowWidth = glfw.GetPrimaryMonitor().GetVideoMode().Width
} else if glRenderer.WindowWidth == 0 {
glRenderer.WindowWidth = glfw.GetPrimaryMonitor().GetVideoMode().Width * 95 / 100
}
if glRenderer.FullScreen {
glRenderer.WindowHeight = glfw.GetPrimaryMonitor().GetVideoMode().Height
} else if glRenderer.WindowHeight == 0 {
glRenderer.WindowHeight = glfw.GetPrimaryMonitor().GetVideoMode().Height * 95 / 100
}
var monitor *glfw.Monitor
if glRenderer.FullScreen {
monitor = glfw.GetPrimaryMonitor()
}
window, err := glfw.CreateWindow(glRenderer.WindowWidth, glRenderer.WindowHeight, glRenderer.WindowTitle, monitor, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
glRenderer.Window = window
// Initialize Glow
if err := gl.Init(); err != nil {
panic(err)
}
var vao uint32
gl.GenVertexArrays(1, &vao)
gl.BindVertexArray(vao)
gl.Enable(gl.TEXTURE_CUBE_MAP_SEAMLESS)
gl.Enable(gl.BLEND)
gl.DepthFunc(gl.LEQUAL)
gl.CullFace(gl.BACK)
glRenderer.initPostEffects()
glRenderer.onInit()
window.SetRefreshCallback(func(w *glfw.Window) {
glRenderer.mainLoop()
window.SwapBuffers()
})
//Main loop
for !window.ShouldClose() {
glRenderer.mainLoop()
window.SwapBuffers()
glfw.PollEvents()
}
}
func run(customGame CustomGame, title string, width, height int, fullscreen bool) {
err := glfw.Init()
fatalErr(err)
defer glfw.Terminate()
Arrow = glfw.CreateStandardCursor(int(glfw.ArrowCursor))
Hand = glfw.CreateStandardCursor(int(glfw.HandCursor))
monitor := glfw.GetPrimaryMonitor()
mode := monitor.GetVideoMode()
if fullscreen {
width = mode.Width
height = mode.Height
glfw.WindowHint(glfw.Decorated, 0)
} else {
monitor = nil
}
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
window, err = glfw.CreateWindow(width, height, title, nil, nil)
fatalErr(err)
window.MakeContextCurrent()
if !fullscreen {
window.SetPos((mode.Width-width)/2, (mode.Height-height)/2)
}
width, height = window.GetFramebufferSize()
glfw.SwapInterval(1)
Gl = webgl.NewContext()
Gl.Viewport(0, 0, width, height)
window.SetFramebufferSizeCallback(func(window *glfw.Window, w, h int) {
width, height = window.GetFramebufferSize()
Gl.Viewport(0, 0, width, height)
// TODO: when do we want to handle resizing? and who should deal with it?
// responder.Resize(w, h)
})
window.SetCursorPosCallback(func(window *glfw.Window, x, y float64) {
Mouse.X, Mouse.Y = float32(x), float32(y)
Mouse.Action = MOVE
})
window.SetMouseButtonCallback(func(window *glfw.Window, b glfw.MouseButton, a glfw.Action, m glfw.ModifierKey) {
x, y := window.GetCursorPos()
Mouse.X, Mouse.Y = float32(x), float32(y)
if a == glfw.Press {
Mouse.Action = PRESS
} else {
Mouse.Action = RELEASE
}
})
window.SetScrollCallback(func(window *glfw.Window, xoff, yoff float64) {
Mouse.ScrollX = float32(xoff)
Mouse.ScrollY = float32(yoff)
})
window.SetKeyCallback(func(window *glfw.Window, k glfw.Key, s int, a glfw.Action, m glfw.ModifierKey) {
key := Key(k)
if a == glfw.Press {
keyStates[key] = true
} else if a == glfw.Release {
keyStates[key] = false
}
})
window.SetCharCallback(func(window *glfw.Window, char rune) {
// TODO: what does this do, when can we use it?
// it's like KeyCallback, but for specific characters instead of keys...?
// responder.Type(char)
})
runLoop(customGame, false)
}
func CreateWindow(title string, width, height int, fullscreen bool, msaa int) {
err := glfw.Init()
fatalErr(err)
cursorArrow = glfw.CreateStandardCursor(int(glfw.ArrowCursor))
cursorIBeam = glfw.CreateStandardCursor(int(glfw.IBeamCursor))
cursorCrosshair = glfw.CreateStandardCursor(int(glfw.CrosshairCursor))
cursorHand = glfw.CreateStandardCursor(int(glfw.HandCursor))
cursorHResize = glfw.CreateStandardCursor(int(glfw.HResizeCursor))
cursorVResize = glfw.CreateStandardCursor(int(glfw.VResizeCursor))
monitor := glfw.GetPrimaryMonitor()
mode := monitor.GetVideoMode()
gameWidth = float32(width)
gameHeight = float32(height)
if fullscreen {
width = mode.Width
height = mode.Height
glfw.WindowHint(glfw.Decorated, 0)
} else {
monitor = nil
}
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
glfw.WindowHint(glfw.Samples, msaa)
window, err = glfw.CreateWindow(width, height, title, nil, nil)
fatalErr(err)
window.MakeContextCurrent()
if !fullscreen {
window.SetPos((mode.Width-width)/2, (mode.Height-height)/2)
}
width, height = window.GetFramebufferSize()
windowWidth, windowHeight = float32(width), float32(height)
SetVSync(vsync)
Gl = gl.NewContext()
Gl.Viewport(0, 0, width, height)
window.SetFramebufferSizeCallback(func(window *glfw.Window, w, h int) {
width, height = window.GetFramebufferSize()
Gl.Viewport(0, 0, width, height)
// TODO: when do we want to handle resizing? and who should deal with it?
// responder.Resize(w, h)
})
window.SetCursorPosCallback(func(window *glfw.Window, x, y float64) {
Mouse.X, Mouse.Y = float32(x), float32(y)
Mouse.Action = MOVE
})
window.SetMouseButtonCallback(func(window *glfw.Window, b glfw.MouseButton, a glfw.Action, m glfw.ModifierKey) {
x, y := window.GetCursorPos()
Mouse.X, Mouse.Y = float32(x), float32(y)
// this is only valid because we use an internal structure that is
// 100% compatible with glfw3.h
Mouse.Button = MouseButton(b)
Mouse.Modifer = Modifier(m)
if a == glfw.Press {
Mouse.Action = PRESS
} else {
Mouse.Action = RELEASE
}
})
window.SetScrollCallback(func(window *glfw.Window, xoff, yoff float64) {
Mouse.ScrollX = float32(xoff)
Mouse.ScrollY = float32(yoff)
})
window.SetKeyCallback(func(window *glfw.Window, k glfw.Key, s int, a glfw.Action, m glfw.ModifierKey) {
key := Key(k)
if a == glfw.Press {
Input.keys.Set(key, true)
} else if a == glfw.Release {
Input.keys.Set(key, false)
}
})
window.SetSizeCallback(func(w *glfw.Window, widthInt int, heightInt int) {
message := WindowResizeMessage{
OldWidth: int(windowWidth),
OldHeight: int(windowHeight),
NewWidth: widthInt,
NewHeight: heightInt,
}
windowWidth = float32(widthInt)
windowHeight = float32(heightInt)
if !scaleOnResize {
gameWidth, gameHeight = float32(widthInt), float32(heightInt)
}
Mailbox.Dispatch(message)
})
window.SetCharCallback(func(window *glfw.Window, char rune) {
// TODO: what does this do, when can we use it?
// it's like KeyCallback, but for specific characters instead of keys...?
// responder.Type(char)
})
}
