func main() {
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, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
window, err := glfw.CreateWindow(800, 600, "Create Window Example", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
window.SetKeyCallback(keypress)
window.SetMouseButtonCallback(mousepress)
gl.Viewport(0, 0, 800, 600)
for !window.ShouldClose() {
draw()
window.SwapBuffers()
glfw.PollEvents()
}
}
func main() {
err := glfw.Init()
if err != nil {
panic(err)
}
defer glfw.Terminate()
fp, err := os.Open("example.tmx")
if err != nil {
panic(err)
}
m, err := tmx.NewMap(fp)
if err != nil {
panic(err)
}
var monitor *glfw.Monitor
window, err := glfw.CreateWindow(screenWidth, screenHeight, "Map Renderer", monitor, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
width, height := window.GetFramebufferSize()
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.ClearColor(1.0, 1.0, 1.0, 1.0)
gl.Viewport(0, 0, int32(width), int32(height))
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(width), float64(height), 0, -1, 1)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
canvas := newOpenGLCanvas(width, height, float32(width)/float32(screenWidth), float32(height)/float32(screenHeight))
renderer := tmx.NewRenderer(*m, canvas)
fps := 0
startTime := time.Now().UnixNano()
timer := tmx.CreateTimer()
timer.Start()
for !window.ShouldClose() {
elapsed := float64(timer.GetElapsedTime()) / (1000 * 1000)
renderer.Render(int64(math.Ceil(elapsed)))
fps++
if time.Now().UnixNano()-startTime > 1000*1000*1000 {
log.Println(fps)
startTime = time.Now().UnixNano()
fps = 0
}
window.SwapBuffers()
glfw.PollEvents()
timer.UpdateTime()
}
}
func drawScene(w *glfw.Window) {
width, height := w.GetFramebufferSize()
ratio := float32(width) / float32(height)
var x1, x2, y1, y2 float32
if ratio > 1 {
x1, x2, y1, y2 = -ratio, ratio, -1, 1
} else {
x1, x2, y1, y2 = -1, 1, -1/ratio, 1/ratio
}
gl.Viewport(0, 0, int32(width), int32(height))
gl.Clear(gl.COLOR_BUFFER_BIT)
// Applies subsequent matrix operations to the projection matrix stack
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity() // replace the current matrix with the identity matrix
gl.Ortho(float64(x1), float64(x2), float64(y1), float64(y2), 1, -1) // multiply the current matrix with an orthographic matrix
// Applies subsequent matrix operations to the modelview matrix stack
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.LineWidth(1)
gl.Begin(gl.LINE) // delimit the vertices of a primitive or a group of like primitives
gl.Color3f(0, 0, 0) // set the current color
gl.Vertex3f(0, y1, 0)
gl.Vertex3f(0, y2, 0)
gl.Vertex3f(x1, 0, 0)
gl.Vertex3f(x2, 0, 0)
gl.End()
gl.Rotatef(float32(glfw.GetTime()*50), 0, 0, 1) // multiply the current matrix by a rotation matrix
s := float32(.95)
gl.Begin(gl.TRIANGLES)
gl.Color3f(1, 0, 0) // set the current color
gl.Vertex3f(0, s, 0) // specify a vertex
gl.Color3f(0, 1, 0)
gl.Vertex3f(s*.866, s*-0.5, 0)
gl.Color3f(0, 0, 1)
gl.Vertex3f(s*-.866, s*-0.5, 0)
gl.End()
gl.LineWidth(5)
gl.Begin(gl.LINE_LOOP)
for i := float64(0); i < 2*math.Pi; i += .05 {
r, g, b := hsb2rgb(float32(i/(2*math.Pi)), 1, 1)
gl.Color3f(r, g, b)
gl.Vertex3f(s*float32(math.Sin(i)), s*float32(math.Cos(i)), 0)
}
gl.End()
}
/* new window size or exposure */
func reshape(width int32, height int32) {
h := float64(height) / float64(width)
gl.Viewport(0, 0, width, height)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Frustum(-1.0, 1.0, -h, h, 5.0, 600.0)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Translatef(0.0, 0.0, -100)
}
// onResize sets up a simple 2d ortho context based on the window size
func onResize(window *glfw.Window, w, h int) {
w, h = window.GetSize() // query window to get screen pixels
width, height := window.GetFramebufferSize()
gl.Viewport(0, 0, int32(width), int32(height))
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(w), 0, float64(h), -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.ClearColor(1, 1, 1, 1)
}
func (c *Context) SetViewport(f Framebuffer, width, height int) error {
gl.Flush()
gl.BindFramebuffer(gl.FRAMEBUFFER, uint32(f))
if err := gl.CheckFramebufferStatus(gl.FRAMEBUFFER); err != gl.FRAMEBUFFER_COMPLETE {
if e := gl.GetError(); e != 0 {
return errors.New(fmt.Sprintf("glBindFramebuffer failed: %d", e))
}
return errors.New("glBindFramebuffer failed: the context is different?")
}
gl.Viewport(0, 0, int32(width), int32(height))
return nil
}
func (state *State) Reset(window *glfw.Window) {
gl.ClearColor(1, 1, 1, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH)
gl.Enable(gl.FRAMEBUFFER_SRGB)
width, height := window.GetSize()
gl.Viewport(0, 0, int32(width), int32(height))
gl.Ortho(0, float64(width), float64(height), 0, 30, -30)
}
func reshape(window *glfw.Window, w, h int) {
gl.ClearColor(1, 1, 1, 1)
//fmt.Println(gl.GetString(gl.EXTENSIONS))
gl.Viewport(0, 0, int32(w), int32(h)) /* Establish viewing area to cover entire window. */
gl.MatrixMode(gl.PROJECTION) /* Start modifying the projection matrix. */
gl.LoadIdentity() /* Reset project matrix. */
gl.Ortho(0, float64(w), 0, float64(h), -1, 1) /* Map abstract coords directly to window coords. */
gl.Scalef(1, -1, 1) /* Invert Y axis so increasing Y goes down. */
gl.Translatef(0, float32(-h), 0) /* Shift origin up to upper-left corner. */
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Disable(gl.DEPTH_TEST)
width, height = w, h
}
func reshape(w int, h int) {
/* Because Gil specified "screen coordinates" (presumably with an
upper-left origin), this short bit of code sets up the coordinate
system to correspond to actual window coodrinates. This code
wouldn't be required if you chose a (more typical in 3D) abstract
coordinate system. */
gl.Viewport(0, 0, int32(w), int32(h)) /* Establish viewing area to cover entire window. */
gl.MatrixMode(gl.PROJECTION) /* Start modifying the projection matrix. */
gl.LoadIdentity() /* Reset project matrix. */
gl.Ortho(0, float64(w), 0, float64(h), -1, 1) /* Map abstract coords directly to window coords. */
gl.Scalef(1, -1, 1) /* Invert Y axis so increasing Y goes down. */
gl.Translatef(0, float32(-h), 0) /* Shift origin up to upper-left corner. */
}
func main() {
var winTitle string = "Go-SDL2 + Go-GL"
var winWidth, winHeight int = 800, 600
var window *sdl.Window
var context sdl.GLContext
var event sdl.Event
var running bool
var err error
if err = sdl.Init(sdl.INIT_EVERYTHING); err != nil {
panic(err)
}
defer sdl.Quit()
if err = gl.Init(); err != nil {
panic(err)
}
window, err = sdl.CreateWindow(winTitle, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED,
winWidth, winHeight, sdl.WINDOW_OPENGL)
if err != nil {
panic(err)
}
defer window.Destroy()
context, err = sdl.GL_CreateContext(window)
if err != nil {
panic(err)
}
defer sdl.GL_DeleteContext(context)
gl.Enable(gl.DEPTH_TEST)
gl.ClearColor(0.2, 0.2, 0.3, 1.0)
gl.ClearDepth(1)
gl.DepthFunc(gl.LEQUAL)
gl.Viewport(0, 0, int32(winWidth), int32(winHeight))
running = true
for running {
for event = sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
switch t := event.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.MouseMotionEvent:
fmt.Printf("[%d ms] MouseMotion\tid:%d\tx:%d\ty:%d\txrel:%d\tyrel:%d\n", t.Timestamp, t.Which, t.X, t.Y, t.XRel, t.YRel)
}
}
drawgl()
sdl.GL_SwapWindow(window)
}
}
func (v *Video) Reshape(width int32, height int32) {
var x_offset int32 = 0
var y_offset int32 = 0
r := ((float64)(height)) / ((float64)(width))
if r > 0.9375 { // Height taller than ratio
h := (int32)(math.Floor((float64)(0.9375 * (float64)(width))))
y_offset = (height - h) / 2
height = h
} else if r < 0.9375 { // Width wider
w := (int32)(math.Floor((float64)((256.0 / 240.0) * (float64)(height))))
x_offset = (width - w) / 2
width = w
}
v.width = width
v.height = height
gl.Viewport(x_offset, y_offset, width, height)
}
func main() {
if err := glfw.Init(nopContextWatcher{}); err != nil {
panic(err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Samples, 8) // Anti-aliasing.
window, err := glfw.CreateWindow(400, 400, "", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
glfw.SwapInterval(1) // Vsync.
InitFont()
defer DeinitFont()
framebufferSizeCallback := func(w *glfw.Window, framebufferSize0, framebufferSize1 int) {
gl.Viewport(0, 0, int32(framebufferSize0), int32(framebufferSize1))
var windowSize [2]int
windowSize[0], windowSize[1] = w.GetSize()
// Update the projection matrix.
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(windowSize[0]), float64(windowSize[1]), 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
}
{
var framebufferSize [2]int
framebufferSize[0], framebufferSize[1] = window.GetFramebufferSize()
framebufferSizeCallback(window, framebufferSize[0], framebufferSize[1])
}
window.SetFramebufferSizeCallback(framebufferSizeCallback)
var inputEventQueue []events.InputEvent
mousePointer = &events.Pointer{VirtualCategory: events.POINTING}
window.SetMouseMovementCallback(func(w *glfw.Window, xpos, ypos, xdelta, ydelta float64) {
inputEvent := events.InputEvent{
Pointer: mousePointer,
EventTypes: map[events.EventType]struct{}{events.SLIDER_EVENT: {}},
InputId: 0,
Buttons: nil,
Sliders: []float64{xdelta, ydelta},
}
if w.GetInputMode(glfw.CursorMode) != glfw.CursorDisabled {
inputEvent.EventTypes[events.AXIS_EVENT] = struct{}{}
inputEvent.Axes = []float64{xpos, ypos}
}
inputEventQueue = events.EnqueueInputEvent(inputEventQueue, inputEvent)
})
window.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mods glfw.ModifierKey) {
inputEvent := events.InputEvent{
Pointer: mousePointer,
EventTypes: map[events.EventType]struct{}{events.BUTTON_EVENT: {}},
InputId: uint16(button),
Buttons: []bool{action != glfw.Release},
Sliders: nil,
Axes: nil,
ModifierKey: uint8(mods),
}
inputEventQueue = events.EnqueueInputEvent(inputEventQueue, inputEvent)
})
go func() {
<-time.After(5 * time.Second)
log.Println("trigger!")
boxUpdated = true
glfw.PostEmptyEvent()
}()
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) // For font.
gl.ClearColor(247.0/255, 247.0/255, 247.0/255, 1)
var spinner int
var widgets []events.Widgeter
widgets = append(widgets, NewButtonWidget(mgl64.Vec2{50, 200}, func() { fmt.Println("button triggered") }))
for !window.ShouldClose() && glfw.Press != window.GetKey(glfw.KeyEscape) {
glfw.WaitEvents()
// Process Input.
inputEventQueue = events.ProcessInputEventQueue(inputEventQueue, widgets[0])
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.LoadIdentity()
for _, widget := range widgets {
widget.Render()
}
drawSpinner(spinner)
spinner++
drawBox()
gl.Color3d(1, 0, 0)
NewOpenGlStream(mgl64.Vec2{50, 300}).PrintText(` !"#$%&'()*+,-./
0123456789:;<=>?
@ABCDEFGHIJKLMNO
PQRSTUVWXYZ[\]^_
` + "`" + `abcdefghijklmno
pqrstuvwxyz{|}~`)
window.SwapBuffers()
log.Println("swapped buffers")
//runtime.Gosched()
}
}
func (c *Context) setViewportImpl(width, height int) error {
return c.runOnContextThread(func() error {
gl.Viewport(0, 0, int32(width), int32(height))
return nil
})
}
func Run(charset string, charwidth, charheight int, eh EventHandler) {
mousetrans := mouseTranslator{}
keytrans := keyTranslator{}
defer eh.Fin(true)
width := 800
height := 600
// Initialize glfw and create window
err := glfw.Init()
Panic(err)
defer glfw.Terminate()
glfw.WindowHint(glfw.Resizable, glfw.True)
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
window, err := glfw.CreateWindow(width, height, "Roguelike", nil, nil)
defer window.Destroy()
Panic(err)
window.MakeContextCurrent()
// Initialize opengl
err = gl.Init()
Panic(err)
// Create shaders and program
program, err := gli.NewProgram(vertexShaderText, fragmentShaderText)
Panic(err)
defer program.Delete()
// Load and initialize texture
img, err := gli.LoadImage(charset)
Panic(err)
texture, err := gli.NewTexture(img,
gli.TextureFilter(gli.LINEAR, gli.LINEAR),
gli.TextureWrap(gli.CLAMP_TO_EDGE, gli.CLAMP_TO_EDGE))
Panic(err)
defer texture.Delete()
// Create Vertex ArrayObject
vao, err := gli.NewVAO()
Panic(err)
defer vao.Delete()
// Create grid
grid, err := NewGrid(charwidth, charheight, texture.Size().X, texture.Size().Y)
Panic(err)
grid.Resize(width, height)
vCoords, vIndex, vData := grid.Buffers()
// Create grid buffers
posvbo, err := gli.NewBuffer(vCoords)
Panic(err)
defer posvbo.Delete()
idxvbo, err := gli.NewBuffer(vIndex, gli.BufferElementArray())
Panic(err)
defer idxvbo.Delete()
vbo, err := gli.NewBuffer(vData, gli.BufferAccessFrequency(gli.DYNAMIC))
Panic(err)
defer vbo.Delete()
window.SetSizeCallback(func(win *glfw.Window, w, h int) {
//fmt.Printf("resize\n")
width = w
height = h
gl.Viewport(0, 0, int32(width), int32(height))
grid.Resize(width, height)
vCoords, vIndex, vData := grid.Buffers()
posvbo.Upload(vCoords)
idxvbo.Upload(vIndex)
vbo.Upload(vData)
})
window.SetKeyCallback(func(win *glfw.Window, key glfw.Key, scancode int, action glfw.Action, mods glfw.ModifierKey) {
//fmt.Printf("key=%v code=%d, action=%v, mods=%v\n", key, scancode, action, mods)
e, ok := keytrans.Key(key, action, mods)
if ok {
eh.Key(e)
}
})
window.SetCharCallback(func(win *glfw.Window, key rune) {
eh.Char(key)
//fmt.Printf("char=%d(%c)\n", key, key)
})
window.SetCursorPosCallback(func(win *glfw.Window, x float64, y float64) {
e, ok := mousetrans.Pos(x, y)
if ok {
eh.Mouse(e)
}
})
window.SetMouseButtonCallback(func(win *glfw.Window, button glfw.MouseButton, action glfw.Action, mods glfw.ModifierKey) {
e, ok := mousetrans.Button(button, action, mods)
if ok {
eh.Mouse(e)
}
})
// Set up VAO
vao.Enable(2, posvbo, program.Attrib("position"))
vao.Enable(2, vbo, program.Attrib("texCoord"),
gli.VAOStride(4))
vao.Enable(1, vbo, program.Attrib("foreColor"),
gli.VAOStride(4), gli.VAOOffset(2))
vao.Enable(1, vbo, program.Attrib("backColor"),
gli.VAOStride(4), gli.VAOOffset(3))
// Set uniforms
program.Uniform("tex").SetSampler(1)
program.Uniform("colorData[0]").SetFloat(colorData...)
program.Uniform("runeSize").SetFloat(float32(grid.RuneSize().X), float32(grid.RuneSize().Y))
gl.ClearColor(0.0, 0.0, 0.0, 1.0)
for !window.ShouldClose() && !eh.Fin(false) {
//fmt.Printf("draw\n")
// Render scene
grid.clearData()
eh.Draw(grid)
_, _, vData = grid.Buffers()
vbo.Update(0, vData)
gl.Clear(gl.COLOR_BUFFER_BIT)
// Draw scene
program.Use()
vao.Use()
texture.Use(1)
idxvbo.Use()
gl.DrawElements(gl.TRIANGLES, grid.Vertices(), gl.UNSIGNED_INT, gl.PtrOffset(0))
window.SwapBuffers()
glfw.WaitEvents()
}
}
func (ctx *DrawContext) drawScreen(o *orrery.Orrery) {
fullscreen := false
gl.Viewport(0, 0, int32(ctx.width), int32(ctx.height))
gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Translatef(0, 0, 0)
t_delta := time.Duration(0)
frametime := time.Second / 24
log.Printf(`ft: %v`, frametime)
frametimes := time.Duration(0)
nsamples := 0
slowest_frame := time.Duration(0)
frames_over_deadline := 0
defer func() {
log.Printf(`average frame time: %v, #sample: %d`, frametimes/time.Duration(nsamples), nsamples)
log.Printf(`slowest frame: %v, # of frames over %v: %d`, slowest_frame, frametime, frames_over_deadline)
}()
for {
t_start := time.Now()
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
ctx.cam.Update()
ctx.drawGrid()
ctx.drawParticles(o)
ctx.drawHud(o, t_delta)
ctx.win.SwapBuffers()
glfw.PollEvents()
select {
case cmd := <-ctx.cmd:
switch cmd {
case DRAW_QUIT:
return
case DRAW_FULLSCREEN:
/*
if fullscreen {
ctx.win.SetFullscreen(0)
} else {
ctx.win.SetFullscreen(sdl.WINDOW_FULLSCREEN)
}
*/
fullscreen = !fullscreen
case DRAW_TOGGLE_WIREFRAME:
ctx.wireframe = !ctx.wireframe
case DRAW_TOGGLE_VERBOSE:
ctx.verbose = !ctx.verbose
}
default:
/* ignore */
}
t_delta = time.Since(t_start)
frametimes += t_delta
nsamples++
if t_delta > slowest_frame {
slowest_frame = t_delta
}
if t_delta > frametime {
frames_over_deadline++
}
t_sleep := frametime.Nanoseconds() - t_delta.Nanoseconds()
if t_sleep > 0 {
time.Sleep(time.Duration(t_sleep) * time.Nanosecond)
}
}
}
func main() {
if err := glfw.Init(); err != nil {
panic(err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Samples, 8) // Anti-aliasing.
window, err := glfw.CreateWindow(400, 400, "", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
panic(err)
}
glfw.SwapInterval(1)
//window.SetPos(50, 600)
//window.SetPos(1600, 600)
//window.SetPos(1275, 300)
//window.SetPos(1200, 300)
framebufferSizeCallback := func(w *glfw.Window, framebufferSize0, framebufferSize1 int) {
gl.Viewport(0, 0, int32(framebufferSize0), int32(framebufferSize1))
var windowSize [2]int
windowSize[0], windowSize[1] = w.GetSize()
// Update the projection matrix.
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(windowSize[0]), float64(windowSize[1]), 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
}
{
var framebufferSize [2]int
framebufferSize[0], framebufferSize[1] = window.GetFramebufferSize()
framebufferSizeCallback(window, framebufferSize[0], framebufferSize[1])
}
window.SetFramebufferSizeCallback(framebufferSizeCallback)
go func() {
<-time.After(5 * time.Second)
log.Println("trigger!")
boxUpdated = true
glfw.PostEmptyEvent()
}()
//gl.ClearColor(0.8, 0.3, 0.01, 1)
gl.ClearColor(247.0/255, 247.0/255, 247.0/255, 1)
var spinner int
for !window.ShouldClose() && glfw.Press != window.GetKey(glfw.KeyEscape) {
glfw.WaitEvents()
//glfw.PollEvents()
gl.Clear(gl.COLOR_BUFFER_BIT)
drawSpinner(spinner)
spinner++
drawBox()
window.SwapBuffers()
log.Println("swapped buffers")
//runtime.Gosched()
}
}
func main() {
if err := glfw.Init(); err != nil {
fmt.Println("glfw.Init():", err)
return
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Decorated, glfw.True)
glfw.WindowHint(glfw.ContextVersionMajor, 1)
glfw.WindowHint(glfw.ContextVersionMinor, 0)
glfw.WindowHint(glfw.Resizable, glfw.True)
window, err := glfw.CreateWindow(10, 10, "Settlers", nil, nil)
if err != nil {
fmt.Println("glfw.CreateWindow():", err)
return
}
window.MakeContextCurrent()
if err := gl.Init(); err != nil {
fmt.Println("gl.Init():", err)
return
}
stash := fontstash.New(512, 512)
fontID, err := stash.AddFont(resourcePath("MorrisRoman-Black.ttf"))
if err != nil {
fmt.Println(err)
return
}
stash.SetYInverted(true)
font := &font{stash, fontID, 35}
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
rand.Seed(time.Now().UnixNano())
g := game.New([]game.Color{game.Red, game.White, game.Blue}, rand.Int())
var lines []string
window.SetCharCallback(func(_ *glfw.Window, r rune) {
if len(lines) == 0 {
lines = []string{""}
}
lines[len(lines)-1] += string(r)
})
window.SetCharModsCallback(func(_ *glfw.Window, r rune, _ glfw.ModifierKey) {
})
window.SetKeyCallback(func(_ *glfw.Window, key glfw.Key, _ int, action glfw.Action, _ glfw.ModifierKey) {
if action == glfw.Release {
return
}
if key == glfw.KeyEscape {
window.SetShouldClose(true)
}
if key == glfw.Key1 {
g.CurrentPlayer = 0
}
if key == glfw.Key2 {
g.CurrentPlayer = 1
}
if key == glfw.Key3 {
g.CurrentPlayer = 2
}
if key == glfw.Key4 {
g.CurrentPlayer = 3
}
if key == glfw.KeyR {
state = buildingRoad
}
if key == glfw.KeyS {
state = buildingSettlement
}
if key == glfw.KeyKP2 {
g.DealResources(2)
}
if key == glfw.KeyKP3 {
g.DealResources(3)
}
if key == glfw.KeyKP4 {
g.DealResources(4)
}
if key == glfw.KeyKP5 {
g.DealResources(5)
}
if key == glfw.KeyKP6 {
g.DealResources(6)
}
if key == glfw.KeyKP8 {
g.DealResources(8)
}
if key == glfw.KeyKP9 {
g.DealResources(9)
}
if key == glfw.KeyKP0 {
g.DealResources(10)
}
if key == glfw.KeyKP1 {
g.DealResources(11)
}
if key == glfw.KeyKP7 {
g.DealResources(12)
}
if len(lines) > 0 && key == glfw.KeyBackspace && (action == glfw.Press || action == glfw.Repeat) {
if len(lines[len(lines)-1]) == 0 {
lines = lines[:len(lines)-1]
} else {
lines[len(lines)-1] = removeLastRune(lines[len(lines)-1])
}
}
if (action == glfw.Press || action == glfw.Repeat) &&
(key == glfw.KeyEnter || key == glfw.KeyKPEnter) {
lines = append(lines, "")
}
})
window.SetInputMode(glfw.CursorMode, glfw.CursorHidden)
window.SetInputMode(glfw.CursorMode, glfw.CursorNormal)
window.SetSizeCallback(func(_ *glfw.Window, w, h int) {
windowW, windowH = w, h
cam.WindowWidth, cam.WindowHeight = w, h
gl.Viewport(0, 0, int32(w), int32(h))
})
if err := loadImages(); err != nil {
fmt.Println(err)
return
}
var background image.Image
var backImg *glImage
go func() {
gameW, gameH := 7*200, 7*tileYOffset+tileSlopeHeight
back := image.NewRGBA(image.Rect(0, 0, gameW, gameH))
clearToTransparent(back)
drawGameBackgroundIntoImage(back, g)
background = back
}()
gameColorToString := func(c game.Color) string {
switch c {
case game.Red:
return "red"
case game.Orange:
return "orange"
case game.Blue:
return "blue"
default:
return "white"
}
}
roadImage := func(pos game.TileEdge, c game.Color) *glImage {
color := gameColorToString(c)
dir := "up"
if isEdgeVertical(pos) {
dir = "vertical"
}
if isEdgeGoingDown(pos) {
dir = "down"
}
return glImages["road_"+color+"_"+dir]
}
settlementImage := func(c game.Color) *glImage {
return glImages["settlement_"+gameColorToString(c)]
}
cityImage := func(c game.Color) *glImage {
return glImages["city_"+gameColorToString(c)]
}
// TODO this is for showing the road/settlement being built currently
var movingSettlementCorner game.TileCorner
var movingSettlementVisible bool
var movingRoadEdge game.TileEdge
var movingRoadVisible bool
window.SetCursorPosCallback(func(_ *glfw.Window, x, y float64) {
mouseX, mouseY = x, y
gameX, gameY := cam.screenToGame(x, y)
movingSettlementCorner, movingSettlementVisible = screenToCorner(gameX, gameY)
movingRoadEdge, movingRoadVisible = screenToEdge(gameX, gameY)
})
window.SetCursorEnterCallback(func(_ *glfw.Window, entered bool) {
mouseIn = entered
if entered == false {
movingSettlementVisible = false
movingRoadVisible = true
}
})
//////////////////////////////////////////////////////////////////
drawGame := func() {
if backImg == nil && background != nil {
backImg, _ = NewGLImageFromImage(background)
}
if backImg != nil {
backImg.DrawAtXY(0, 0)
for _, p := range g.GetPlayers() {
for _, r := range p.GetBuiltRoads() {
x, y := edgeToScreen(r.Position)
img := roadImage(r.Position, p.Color)
img.DrawAtXY(x-img.Width/2, y-img.Height/2)
}
for _, s := range p.GetBuiltSettlements() {
x, y := cornerToScreen(s.Position)
img := settlementImage(p.Color)
img.DrawAtXY(x-img.Width/2, y-(5*img.Height/8))
}
for _, c := range p.GetBuiltCities() {
x, y := cornerToScreen(c.Position)
img := cityImage(p.Color)
img.DrawAtXY(x-img.Width/2, y-(5*img.Height/8))
}
}
if state == buildingSettlement && movingSettlementVisible && mouseIn {
color := [4]float32{1, 1, 1, 1}
x, y := cornerToScreen(movingSettlementCorner)
if !movingSettlementVisible || !g.CanBuildSettlementAt(movingSettlementCorner) {
color = [4]float32{0.7, 0.7, 0.7, 0.7}
x, y = cam.screenToGame(mouseX, mouseY)
}
img := settlementImage(g.GetCurrentPlayer().Color)
// TODO duplicate code:
img.DrawColoredAtXY(x-img.Width/2, y-(5*img.Height/8), color)
}
if state == buildingRoad && movingRoadVisible && mouseIn {
color := [4]float32{1, 1, 1, 1}
x, y := edgeToScreen(movingRoadEdge)
if !(!movingRoadVisible || !g.CanBuildRoadAt(movingRoadEdge)) {
img := roadImage(movingRoadEdge, g.GetCurrentPlayer().Color)
// TODO duplicate code:
img.DrawColoredAtXY(x-img.Width/2, y-(5*img.Height/8), color)
}
}
x, y, w, h := tileToScreen(g.Robber.Position)
robber := glImages["robber"]
robber.DrawAtXY(x+(w-robber.Width)/2, y+(h-robber.Height)/2)
}
}
buildMenu := &menu{color{0.5, 0.4, 0.8, 0.9}, rect{0, 500, 800, 250}}
showCursor := 0
start := time.Now()
frames := 0
window.SetSize(windowW, windowH)
for !window.ShouldClose() {
glfw.PollEvents()
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
const controlsHeight = 0 // TODO reserve are for stats and menus
gameW, gameH := 7.0*200, 7.0*tileYOffset+tileSlopeHeight+controlsHeight
gameRatio := gameW / gameH
windowRatio := float64(windowW) / float64(windowH)
var left, right, bottom, top float64
if windowRatio > gameRatio {
// window is wider than game => borders left and right
border := (windowRatio*gameH - gameW) / 2
left, right = -border, border+gameW
bottom, top = gameH, 0
} else {
// window is higher than game => borders on top and bottom
border := (gameW/windowRatio - gameH) / 2
left, right = 0, gameW
bottom, top = gameH+border, -border
}
gl.Ortho(left, right, bottom, top, -1, 1)
cam.Left, cam.Right, cam.Bottom, cam.Top = left, right, bottom, top
gl.ClearColor(0, 0, 1, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
drawGame()
lines = make([]string, g.PlayerCount*6)
for i, player := range g.GetPlayers() {
lines[i*6+0] = fmt.Sprintf("player %v has %v ore", i+1, player.Resources[game.Ore])
lines[i*6+1] = fmt.Sprintf("player %v has %v grain", i+1, player.Resources[game.Grain])
lines[i*6+2] = fmt.Sprintf("player %v has %v lumber", i+1, player.Resources[game.Lumber])
lines[i*6+3] = fmt.Sprintf("player %v has %v wool", i+1, player.Resources[game.Wool])
lines[i*6+4] = fmt.Sprintf("player %v has %v brick", i+1, player.Resources[game.Brick])
}
if len(lines) > 0 {
stash.BeginDraw()
const fontSize = 35
const cursorText = "" //"_"
cursor := ""
if showCursor > 60 {
cursor = cursorText
}
for i, line := range lines {
output := line
if i == len(lines)-1 {
output += cursor
}
font.Write(output, 0, float64(i+1)*fontSize)
}
if len(lines) == 0 {
font.Write(cursor, 0, fontSize)
}
stash.EndDraw()
}
buildMenu.draw()
window.SwapBuffers()
showCursor = (showCursor + 1) % 120
frames++
if time.Now().Sub(start).Seconds() >= 1.0 {
fmt.Println(frames, "fps")
frames = 0
start = time.Now()
}
}
}
func (c *Context) Viewport(x, y, width, height int) {
gl.Viewport(int32(x), int32(y), int32(width), int32(height))
}
func setViewport(width int, height int) {
gl.Viewport(0, 0, int32(width), int32(height))
gl.Ortho(-float64(width)/2, float64(width)/2,
-float64(height)/2, float64(height)/2, -1.0, 1.0)
}
func main() {
if err := glfw.Init(nopContextWatcher{}); err != nil {
panic(err)
}
defer glfw.Terminate()
window, err := glfw.CreateWindow(1536, 960, "", nil, nil)
if err != nil {
panic(err)
}
globalWindow = window
window.MakeContextCurrent()
window.SetInputMode(glfw.CursorMode, glfw.CursorHidden)
if err := gl.Init(); nil != err {
panic(err)
}
glfw.SwapInterval(1) // Vsync.
framebufferSizeCallback := func(w *glfw.Window, framebufferSize0, framebufferSize1 int) {
gl.Viewport(0, 0, int32(framebufferSize0), int32(framebufferSize1))
var windowSize [2]int
windowSize[0], windowSize[1] = w.GetSize()
// Update the projection matrix
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(windowSize[0]), float64(windowSize[1]), 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
}
{
var framebufferSize [2]int
framebufferSize[0], framebufferSize[1] = window.GetFramebufferSize()
framebufferSizeCallback(window, framebufferSize[0], framebufferSize[1])
}
window.SetFramebufferSizeCallback(framebufferSizeCallback)
var inputEventQueue []InputEvent
mousePointer = &Pointer{VirtualCategory: POINTING}
var lastMousePos mgl64.Vec2
lastMousePos[0], lastMousePos[1] = window.GetCursorPos()
MousePos := func(w *glfw.Window, x, y float64) {
//fmt.Println("MousePos:", x, y)
inputEvent := InputEvent{
Pointer: mousePointer,
EventTypes: map[EventType]bool{SLIDER_EVENT: true, AXIS_EVENT: true},
InputId: 0,
Buttons: nil,
Sliders: []float64{x - lastMousePos[0], y - lastMousePos[1]}, // TODO: Do this in a pointer general way?
Axes: []float64{x, y},
}
lastMousePos[0] = x
lastMousePos[1] = y
inputEventQueue = EnqueueInputEvent(inputEvent, inputEventQueue)
}
window.SetCursorPosCallback(MousePos)
MousePos(window, lastMousePos[0], lastMousePos[1])
gl.ClearColor(0.85, 0.85, 0.85, 1)
rand.Seed(4)
var widget = newMultitouchTestBoxWidget(mgl64.Vec2{600, 300}, rand.Intn(6))
var widget2 = newMultitouchTestBoxWidget(mgl64.Vec2{600 + 210, 300 + 210}, rand.Intn(6))
var widget3 = newMultitouchTestBoxWidget(mgl64.Vec2{600 + 210, 300}, rand.Intn(6))
var widget4 = newMultitouchTestBoxWidget(mgl64.Vec2{600, 300 + 210}, rand.Intn(6))
go func() {
<-time.After(5 * time.Second)
log.Println("trigger!")
widget.color++ // HACK: Racy.
glfw.PostEmptyEvent()
}()
for !window.ShouldClose() {
//glfw.PollEvents()
glfw.WaitEvents()
// Process Input.
inputEventQueue = ProcessInputEventQueue(inputEventQueue)
gl.Clear(gl.COLOR_BUFFER_BIT)
widget.Render()
widget2.Render()
widget3.Render()
widget4.Render()
mousePointer.Render()
window.SwapBuffers()
log.Println("swapped buffers")
runtime.Gosched()
}
}
func main() {
flag.Parse()
go func() {
http.ListenAndServe("localhost:6060", nil)
}()
go func() {
for {
runtime.GC()
time.Sleep(1)
}
}()
if err := glfw.Init(); err != nil {
log.Fatalln("failed to initialize glfw:", err)
}
defer glfw.Terminate()
glfw.WindowHint(glfw.Resizable, glfw.True)
glfw.WindowHint(glfw.Visible, glfw.False) // do not steal focus
glfw.WindowHint(glfw.Samples, 4)
glfw.WindowHint(glfw.ContextVersionMajor, 2)
glfw.WindowHint(glfw.ContextVersionMinor, 1)
window, err := glfw.CreateWindow(800, 600, "Spector", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
window.Restore()
window.SetPos(32, 64)
if err := gl.Init(); err != nil {
panic(err)
}
if err := gl.GetError(); err != 0 {
fmt.Println("INIT", err)
}
startnano := time.Now().UnixNano()
DrawList := draw.NewList()
for !window.ShouldClose() {
start := qpc.Now()
if window.GetKey(glfw.KeyEscape) == glfw.Press {
return
}
now := float64(time.Now().UnixNano()-startnano) / 1e9
width, height := window.GetSize()
{ // reset window
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Viewport(0, 0, int32(width), int32(height))
gl.Ortho(0, float64(width), float64(height), 0, 30, -30)
gl.ClearColor(1, 1, 1, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
}
DrawList.Reset()
DrawList.AddRectFill(&draw.Rectangle{
draw.Vector{10, 10},
draw.Vector{50, 50},
}, draw.Red)
CircleRadius := float32(50.0 * math.Sin(now*1.3))
DrawList.AddCircle(
draw.Vector{100, 100}, CircleRadius, draw.Red)
DrawList.AddArc(
draw.Vector{200, 100}, CircleRadius/2+50,
float32(now),
float32(math.Sin(now)*10),
draw.ColorHSL(float32(math.Sin(now*0.3)), 0.8, 0.5))
LineWidth := float32(math.Sin(now*2.1)*5 + 5)
LineCount := int(width / 8)
line := make([]draw.Vector, LineCount)
for i := range line {
r := float64(i) / float64(LineCount-1)
line[i].X = float32(r) * float32(width)
line[i].Y = float32(height)*0.5 + float32(math.Sin(r*11.8+now)*100)
}
DrawList.AddLine(line[:], LineWidth,
draw.ColorHSL(float32(math.Sin(now*0.3)), 0.6, 0.6))
CircleCount := int(width / 8)
circle := make([]draw.Vector, CircleCount)
for i := range circle {
p := float64(i) / float64(CircleCount)
a := now + p*math.Pi*2
w := math.Sin(p*62)*20.0 + 100.0
circle[i].X = float32(width)*0.5 + float32(math.Cos(a)*w)
circle[i].Y = float32(height)*0.5 + float32(math.Sin(a)*w)
}
// DrawList.PushClip(draw.Rect(0, 0, float32(width)/2, float32(height)/2))
DrawList.AddClosedLine(circle[:], LineWidth, draw.Green)
// DrawList.PopClip()
render.List(width, height, DrawList)
if err := gl.GetError(); err != 0 {
fmt.Println(err)
}
stop := qpc.Now()
window.SwapBuffers()
runtime.GC()
glfw.PollEvents()
fmt.Printf("%-10.3f\n", stop.Sub(start).Duration().Seconds()*1000)
}
}
// Viewport sets the viewport, an affine transformation that
// normalizes device coordinates to window coordinates.
//
// http://www.khronos.org/opengles/sdk/docs/man3/html/glViewport.xhtml
func Viewport(x, y, width, height int) {
gl.Viewport(int32(x), int32(y), int32(width), int32(height))
}
func (cam *camera) windowSizeChangedTo(width, height int) {
gl.Viewport(0, 0, int32(width), int32(height))
cam.WindowWidth, cam.WindowHeight = width, height
cam.recalcOrthoBorders()
}