func (s *Sprite) Draw(x, y, angle, scale float32, blend bool) {
gl.Enable(gl.TEXTURE_2D)
gl.Disable(gl.COLOR_MATERIAL)
if blend {
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Enable(gl.BLEND)
} else {
gl.Disable(gl.BLEND)
gl.BlendFunc(gl.ONE, gl.ZERO)
}
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Translatef(x, y, 0)
gl.Rotatef(angle*360/(2*math.Pi), 0, 0, 1)
gl.Scalef(scale, scale, 1)
s.tex.Bind(gl.TEXTURE_2D)
gl.Begin(gl.QUADS)
gl.Color3f(1, 1, 1)
gl.TexCoord2d(0, 0)
gl.Vertex3f(-0.5*s.width, -0.5*s.height, 0)
gl.TexCoord2d(1, 0)
gl.Vertex3f(0.5*s.width, -0.5*s.height, 0)
gl.TexCoord2d(1, 1)
gl.Vertex3f(0.5*s.width, 0.5*s.height, 0)
gl.TexCoord2d(0, 1)
gl.Vertex3f(-0.5*s.width, 0.5*s.height, 0)
gl.End()
gl.Disable(gl.TEXTURE_2D)
gl.Disable(gl.BLEND)
}
func (self *Picker) Draw(t int64) {
gl.MatrixMode(gl.MODELVIEW)
gl.PushMatrix()
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.LIGHT0)
gl.Disable(gl.LIGHT1)
gl.Begin(gl.TRIANGLE_FAN)
gl.Color4ub(0, 0, 0, 128)
gl.Vertex2f(self.x, self.y)
for angle := float64(0); angle <= 2*math.Pi; angle += math.Pi / 2 / 10 {
gl.Vertex2f(self.x-float32(math.Sin(angle))*self.radius, self.y+float32(math.Cos(angle))*self.radius)
}
gl.End()
self.DrawItemHighlight(t, ThePlayer.currentAction)
self.DrawPlayerItems(t, true)
gl.PopMatrix()
}
func (self *Pause) Draw(t int64) {
gl.MatrixMode(gl.MODELVIEW)
gl.PushMatrix()
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.LIGHT0)
gl.Disable(gl.LIGHT1)
gl.Color4ub(0, 0, 0, 240)
gl.Begin(gl.QUADS)
gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
gl.End()
str := "paused"
h, w := pauseFont.Measure(str)
// x := (viewport.rplane - viewport.lplane - w) / 2
// y := (viewport.tplane - viewport.bplane - h) / 2
gl.Translated(-w/2, -h/2, 0)
pauseFont.Print(str)
gl.PopMatrix()
}
func (self *Console) Draw(t int64) {
gl.MatrixMode(gl.MODELVIEW)
gl.PushMatrix()
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.LIGHT0)
gl.Disable(gl.LIGHT1)
h := float32(consoleFont.height) * PIXEL_SCALE
margin := float32(3.0) * PIXEL_SCALE
consoleHeight := 3 * h
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Color4ub(0, 0, 0, 208)
gl.Begin(gl.QUADS)
gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane)+consoleHeight+margin*2) // Bottom Left Of The Texture and Quad
gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane)+consoleHeight+margin*2) // Bottom Right Of The Texture and Quad
gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane)) // Top Right Of The Texture and Quad
gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane)) // Top Left Of The Texture and Quad
gl.End()
gl.Translatef(float32(viewport.lplane)+margin, float32(viewport.bplane)+consoleHeight+margin-h, 0)
consoleFont.Print(fmt.Sprintf("FPS: %5.2f V: %d (%d) CH: %d M: %d", self.fps, self.vertices, self.culledVertices, len(TheWorld.chunks), len(TheWorld.mobs)))
gl.LoadIdentity()
gl.Translatef(float32(viewport.lplane)+margin, float32(viewport.bplane)+consoleHeight+margin-2*h, 0)
consoleFont.Print(fmt.Sprintf("X: %5.2f Y: %4.2f Z: %5.2f H: %5.2f (%s) D: %0.1f (%d)", ThePlayer.position[XAXIS], ThePlayer.position[YAXIS], ThePlayer.position[ZAXIS], ThePlayer.heading, HeadingToCompass(ThePlayer.heading), ThePlayer.distanceTravelled, ThePlayer.distanceFromStart))
gl.LoadIdentity()
gl.Translatef(float32(viewport.lplane)+margin, float32(viewport.bplane)+consoleHeight+margin-3*h, 0)
numgc := uint32(0)
avggc := float64(0)
var last3 [3]float64
if self.mem.NumGC > 3 {
numgc = self.mem.NumGC
avggc = float64(self.mem.PauseTotalNs) / float64(self.mem.NumGC) / 1e6
index := int(numgc) - 1
if index > 255 {
index = 255
}
last3[0] = float64(self.mem.PauseNs[index]) / 1e6
last3[1] = float64(self.mem.PauseNs[index-1]) / 1e6
last3[2] = float64(self.mem.PauseNs[index-2]) / 1e6
}
consoleFont.Print(fmt.Sprintf("Mem: %.1f/%.1f GC: %.1fms [%d: %.1f, %.1f, %.1f] ChGen: %.1fms | Sc: %.1f TOD: %.1f", float64(self.mem.Alloc)/(1024*1024), float64(self.mem.Sys)/(1024*1024), avggc, numgc, last3[0], last3[1], last3[2], float64(self.chunkGenerationTime)/1e6, viewport.scale, timeOfDay))
gl.PopMatrix()
}
func (t *Skybox) RenderScaled(center, scale *Vec3) {
v := []*Vec3{
V3(-1, -1, 1),
V3(1, -1, 1),
V3(1, 1, 1),
V3(-1, 1, 1),
V3(-1, -1, -1),
V3(1, -1, -1),
V3(1, 1, -1),
V3(-1, 1, -1)}
for i := 0; i < 8; i++ {
v[i].Muli(scale).Addi(center)
}
if globals.UseShader {
program.Unuse()
}
//*//save attributes and change them
gl.PushAttrib(gl.ENABLE_BIT | gl.TEXTURE_BIT)
defer gl.PopAttrib() //reset to old attributes
gl.Enable(gl.TEXTURE_2D)
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.BLEND) //*/
oneSide := func(tex *texture.Texture, a, b, c, d int, n *Vec3) {
tex.BindForSkybox(color.White)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
gl.Begin(gl.TRIANGLES)
gl.Normal3dv(n.Slc())
gl.TexCoord2i(0, 0)
gl.Vertex3dv(v[a].Slc())
gl.TexCoord2i(1, 0)
gl.Vertex3dv(v[b].Slc())
gl.TexCoord2i(1, 1)
gl.Vertex3dv(v[c].Slc())
gl.TexCoord2i(0, 0)
gl.Vertex3dv(v[a].Slc())
gl.TexCoord2i(1, 1)
gl.Vertex3dv(v[c].Slc())
gl.TexCoord2i(0, 1)
gl.Vertex3dv(v[d].Slc())
gl.End()
}
oneSide(t.up, 2, 3, 7, 6, V3(0, -1, 0))
oneSide(t.dn, 5, 4, 0, 1, V3(0, 1, 0))
oneSide(t.lt, 5, 1, 2, 6, V3(1, 0, 0))
oneSide(t.rt, 0, 4, 7, 3, V3(-1, 0, 0))
oneSide(t.ft, 1, 0, 3, 2, V3(0, 0, -1))
oneSide(t.bk, 4, 5, 6, 7, V3(0, 0, 1))
}
func (this *App) draw() {
gl.Disable(gl.CULL_FACE)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.DEPTH_TEST)
White.Gl()
var w, h = Double(this.win.Width()), Double(this.win.Height())
drawTexRect(this.texmandel, V2(0, 0), V2(w, h))
var col = color24.NewColor24(0, 0, 0)
this.frac.Gradient().Interpolate(col, this.cursor.Pos.X)
this.cursor.Draw(w, h, col)
this.win.FinishFrame()
}
func main() {
glfw.Init()
defer glfw.Terminate()
glfw.OpenWindow(640, 480, 8, 8, 8, 8, 0, 0, glfw.Windowed)
defer glfw.CloseWindow()
glfw.SetWindowTitle("Tile test")
glfw.Enable(glfw.StickyKeys)
glfw.SetSwapInterval(1)
glfw.SetKeyCallback(inputCallback)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, GridWidth, GridHeight, 0, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.Disable(gl.DEPTH_TEST)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.ClearColor(0.0, 0.0, 0.0, 1.0)
initResources()
initWorld()
for Running {
if (time.Since(DT).Nanoseconds() / 1000000) > 15 { //don't loop faster than every 15ms
DT = time.Now()
gl.Clear(gl.COLOR_BUFFER_BIT)
player.update()
renderScene()
glfw.SwapBuffers()
}
}
}
// handle key press events
func handleKeyPress(keysym sdl.Keysym) {
switch keysym.Sym {
case sdl.K_f: // f key pages through filters
filter = (filter + 1) % 3
p("new filter:", filter)
case sdl.K_l: // l key toggles light
light = !light
if light {
p("light on")
gl.Enable(gl.LIGHTING)
} else {
p("light off")
gl.Disable(gl.LIGHTING)
}
case sdl.K_PAGEUP: // page up zooms into the scene
z -= 0.02
case sdl.K_PAGEDOWN: // zoom out of the scene
z += 0.02
case sdl.K_UP: // up arrow affects x rotation
xspeed -= 0.01
case sdl.K_DOWN: // down arrow affects x rotation
xspeed += 0.01
case sdl.K_RIGHT: // affect y rotation
yspeed += 0.01
case sdl.K_LEFT: // affect y rotation
yspeed -= 0.01
case sdl.K_ESCAPE:
Quit(0)
case sdl.K_F1:
sdl.WM_ToggleFullScreen(surface)
}
}
func (v *Video) Reshape(width int, height int) {
x_offset := 0
y_offset := 0
r := ((float64)(height)) / ((float64)(width))
if r > 0.9375 { // Height taller than ratio
h := (int)(math.Floor((float64)(0.9375 * (float64)(width))))
y_offset = (height - h) / 2
height = h
} else if r < 0.9375 { // Width wider
var scrW, scrH float64
if ppu.OverscanEnabled {
scrW = 240.0
scrH = 224.0
} else {
scrW = 256.0
scrH = 240.0
}
w := (int)(math.Floor((float64)((scrH / scrW) * (float64)(height))))
x_offset = (width - w) / 2
width = w
}
gl.Viewport(x_offset, y_offset, width, height)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(-1, 1, -1, 1, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
}
func onKey(key, state int) {
switch key {
case glfw.KeyEsc:
running = false
case 76: // L
if state == 1 {
if light = !light; !light {
gl.Disable(gl.LIGHTING)
} else {
gl.Enable(gl.LIGHTING)
}
}
case 70: // F
if state == 1 {
if filter++; filter >= len(textures) {
filter = 0
}
}
case glfw.KeyPageup:
z -= 0.2
case glfw.KeyPagedown:
z += 0.2
case glfw.KeyUp:
speed[0] -= 0.1
case glfw.KeyDown:
speed[0] += 0.1
case glfw.KeyLeft:
speed[1] -= 0.1
case glfw.KeyRight:
speed[1] += 0.1
}
}
func onKey(key, state int) {
switch key {
case glfw.KeyEsc:
running = false
case 'L':
if state == 1 {
if light = !light; !light {
gl.Disable(gl.LIGHTING)
} else {
gl.Enable(gl.LIGHTING)
}
}
case 'F':
if state == 1 {
if filter++; filter >= len(textures) {
filter = 0
}
}
case 'B': // B
if state == 1 {
if blend = !blend; blend {
gl.Enable(gl.BLEND)
gl.Disable(gl.DEPTH_TEST)
} else {
gl.Disable(gl.BLEND)
gl.Enable(gl.DEPTH_TEST)
}
}
case glfw.KeyPageup:
z -= 0.2
case glfw.KeyPagedown:
z += 0.2
case glfw.KeyUp:
speed[0] -= 0.1
case glfw.KeyDown:
speed[0] += 0.1
case glfw.KeyLeft:
speed[1] -= 0.1
case glfw.KeyRight:
speed[1] += 0.1
}
}
func uploadTexture(img *image.RGBA) gl.Texture {
gl.Enable(gl.TEXTURE_2D)
tex := gl.GenTexture()
tex.Bind(gl.TEXTURE_2D)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
gl.TexImage2D(gl.TEXTURE_2D, 0, 4, img.Bounds().Max.X, img.Bounds().Max.Y,
0, gl.RGBA, gl.UNSIGNED_BYTE, img.Pix)
gl.Disable(gl.TEXTURE_2D)
return tex
}
func main() {
var err error
if err = glfw.Init(); err != nil {
fmt.Fprintf(os.Stderr, "[e] %v\n", err)
return
}
defer glfw.Terminate()
// Open window with FSAA samples (if possible).
glfw.OpenWindowHint(glfw.FsaaSamples, 4)
if err = glfw.OpenWindow(400, 400, 0, 0, 0, 0, 0, 0, glfw.Windowed); err != nil {
fmt.Fprintf(os.Stderr, "[e] %v\n", err)
return
}
defer glfw.CloseWindow()
glfw.SetWindowTitle("Aliasing Detector")
glfw.SetSwapInterval(1)
if samples := glfw.WindowParam(glfw.FsaaSamples); samples != 0 {
fmt.Fprintf(os.Stdout, "Context reports FSAA is supported with %d samples\n", samples)
} else {
fmt.Fprintf(os.Stdout, "Context reports FSAA is unsupported\n")
}
gl.MatrixMode(gl.PROJECTION)
glu.Perspective(0, 1, 0, 1)
for glfw.WindowParam(glfw.Opened) == 1 {
time := float32(glfw.Time())
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.LoadIdentity()
gl.Translatef(0.5, 0, 0)
gl.Rotatef(time, 0, 0, 1)
gl.Enable(GL_MULTISAMPLE_ARB)
gl.Color3f(1, 1, 1)
gl.Rectf(-0.25, -0.25, 0.25, 0.25)
gl.LoadIdentity()
gl.Translatef(-0.5, 0, 0)
gl.Rotatef(time, 0, 0, 1)
gl.Disable(GL_MULTISAMPLE_ARB)
gl.Color3f(1, 1, 1)
gl.Rectf(-0.25, -0.25, 0.25, 0.25)
glfw.SwapBuffers()
}
}
func initialize(WIDTH, HEIGHT int) {
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(WIDTH), float64(HEIGHT), 0, 0, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.Disable(gl.DEPTH_TEST)
}
func (this *Cursor) Draw(w, h Double, col *color24.Color24) {
var p = this.Pos.Mul(V2(w, h))
var a = p.Add(V2(-10, -10))
var b = p.Add(V2(10, -10))
gl.Disable(gl.TEXTURE_2D)
col.Gl()
gl.Begin(gl.TRIANGLES)
p.Gl()
a.Gl()
b.Gl()
gl.End()
gl.Enable(gl.TEXTURE_2D)
}
func special(key, x, y int) {
switch key {
case glut.KEY_F1:
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Enable(gl.BLEND)
gl.Enable(gl.LINE_SMOOTH)
gl.Enable(gl.POINT_SMOOTH)
case glut.KEY_F2:
gl.Disable(gl.BLEND)
gl.Disable(gl.LINE_SMOOTH)
gl.Disable(gl.POINT_SMOOTH)
case glut.KEY_UP:
thrust = true
thrustTime = glut.Get(glut.ELAPSED_TIME)
case glut.KEY_LEFT:
left = true
leftTime = glut.Get(glut.ELAPSED_TIME)
case glut.KEY_RIGHT:
right = true
rightTime = glut.Get(glut.ELAPSED_TIME)
}
}
func onResize(w, h int) {
if h == 0 {
h = 1
}
gl.Viewport(0, 0, w, h)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(-1, 1, -1, 1, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
}
func reshape(width int, height int) {
x_offset := 0
y_offset := 0
r := ((float64)(height)) / ((float64)(width))
if r > 0.9375 { // Height taller than ratio
h := (int)(math.Floor((float64)(0.9375 * (float64)(width))))
y_offset = (height - h) / 2
height = h
} else if r < 0.9375 { // Width wider
w := (int)(math.Floor((float64)((256.0 / 240.0) * (float64)(height))))
x_offset = (width - w) / 2
width = w
}
gl.Viewport(x_offset, y_offset, width, height)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(-1, 1, -1, 1, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
}
func (self *Inventory) Draw(t int64) {
gl.MatrixMode(gl.MODELVIEW)
gl.PushMatrix()
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.LIGHT0)
gl.Disable(gl.LIGHT1)
gl.Color4ub(0, 0, 0, 240)
gl.Begin(gl.QUADS)
gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
gl.End()
picker.DrawItemHighlight(t, 3)
picker.DrawItemHighlight(t, 4)
picker.DrawItemHighlight(t, 5)
picker.DrawItemHighlight(t, 6)
picker.DrawItemHighlight(t, 7)
picker.DrawPlayerItems(t)
const blocksize = float64(0.3)
const COLSIZE = 12
diam := blocksize * 2.4
offset := diam + float64(4)*PIXEL_SCALE
for i := 0; i < len(self.inventoryRects); i++ {
x := float64(viewport.lplane) + float64(10)*PIXEL_SCALE + float64(i/COLSIZE)*offset
y := float64(viewport.tplane) - float64(10)*PIXEL_SCALE - float64(i%COLSIZE)*offset
self.inventoryRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.inventoryRects[i])
}
slot := 0
for i := 1; i < len(ThePlayer.inventory); i++ {
if ThePlayer.inventory[i] > 0 {
self.inventorySlots[slot] = uint16(i)
self.DrawItem(t, ThePlayer.inventory[i], uint16(i), self.inventoryRects[slot])
slot++
}
}
for i := 0; i < len(self.componentSlots); i++ {
x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + float64(i)*offset
y := float64(viewport.tplane) - (float64(10) * PIXEL_SCALE)
self.componentRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.componentRects[i])
}
for i := 0; i < len(self.componentSlots); i++ {
if self.componentSlots[i] != 0 {
self.DrawItem(t, ThePlayer.inventory[self.componentSlots[i]], self.componentSlots[i], self.componentRects[i])
}
}
for i := 0; i < len(self.productSlots); i++ {
x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + offset*float64(i%len(self.componentRects))
y := float64(viewport.tplane) - (float64(10) * PIXEL_SCALE) - offset*float64(2+float64(i/len(self.componentRects)))
self.productRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.productRects[i])
}
for i := 0; i < len(self.productSlots); i++ {
if self.productSlots[i] != nil {
self.DrawItem(t, self.productSlots[i].product.quantity, self.productSlots[i].product.item, self.productRects[i])
}
}
var mousex, mousey int
mousestate := sdl.GetMouseState(&mousex, &mousey)
self.HandleMouse(mousex, mousey, mousestate)
gl.PopMatrix()
}
func main() {
runtime.LockOSThread()
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
log.Fatal(sdl.GetError())
}
var screen = sdl.SetVideoMode(screenWidth, screenHeight, 32, sdl.OPENGL|sdl.HWSURFACE|sdl.GL_DOUBLEBUFFER|sdl.FULLSCREEN)
if screen == nil {
log.Fatal(sdl.GetError())
}
sdl.WM_SetCaption("Lecture Hall Games", "")
sdl.EnableUNICODE(1)
if gl.Init() != 0 {
log.Fatal("could not initialize OpenGL")
}
gl.Viewport(0, 0, int(screen.W), int(screen.H))
gl.ClearColor(1, 1, 1, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, float64(screen.W), float64(screen.H), 0, -1.0, 1.0)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.DEPTH_TEST)
gl.TexEnvi(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
mixer.DEFAULT_CHANNELS, 4096) != 0 {
log.Fatal(sdl.GetError())
}
if ttf.Init() != 0 {
log.Fatal(sdl.GetError())
}
if p, err := build.Default.Import(basePkg, "", build.FindOnly); err == nil {
os.Chdir(p.Dir)
}
var err error
rand.Seed(time.Now().UnixNano())
levelDir := fmt.Sprintf("data/levels/demolevel%d", 3+rand.Intn(numberLevels))
//carsDir := fmt.Sprintf(" data/cars/car%d/", 1+rand.Intn(numberCars))
if game, err = NewRacer(levelDir); err != nil {
log.Fatal(err)
}
go func() {
listen, err := net.Listen("tcp", ":8001")
if err != nil {
log.Fatal(err)
}
for {
conn, err := listen.Accept()
if err != nil {
log.Println(err)
continue
}
go handleConnection(conn)
}
}()
running := true
last := time.Now()
for running {
select {
case event := <-sdl.Events:
switch e := event.(type) {
case sdl.QuitEvent:
running = false
case sdl.ResizeEvent:
screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE)
case sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN {
if e.Keysym.Sym == sdl.K_ESCAPE {
running = false
} else {
game.KeyPressed(e.Keysym)
}
}
}
default:
}
current := time.Now()
t := current.Sub(last)
last = current
mu.Lock()
game.Update(t)
game.Render(screen)
mu.Unlock()
sdl.GL_SwapBuffers()
}
sdl.Quit()
}
func (self *Inventory) Draw(t int64) {
gl.MatrixMode(gl.MODELVIEW)
gl.PushMatrix()
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.LIGHT0)
gl.Disable(gl.LIGHT1)
gl.Color4ub(0, 0, 0, 208)
gl.Begin(gl.QUADS)
gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
gl.End()
picker.DrawItemHighlight(t, 3)
picker.DrawItemHighlight(t, 4)
picker.DrawItemHighlight(t, 5)
picker.DrawItemHighlight(t, 6)
picker.DrawItemHighlight(t, 7)
picker.DrawPlayerItems(t, false)
const blocksize = float64(0.3)
const COLSIZE = 12
slotsize := blocksize * 2.4
slotstep := slotsize + float64(4)*PIXEL_SCALE
slotsInRow := len(self.componentRects)
xtools := float64(viewport.lplane) + 10.0*PIXEL_SCALE
ytools := float64(viewport.tplane) - 10.0*PIXEL_SCALE - slotstep
gl.PushMatrix()
gl.LoadIdentity()
gl.Translated(xtools, ytools+4*PIXEL_SCALE, 0)
inventoryItemFont.Print("Inventory")
gl.PopMatrix()
for i := range self.inventoryRects {
x := xtools + float64(i%slotsInRow)*slotstep
y := ytools - float64(i/slotsInRow)*slotstep
self.inventoryRects[i] = Rect{x, y - slotsize, slotsize, slotsize}
self.DrawItemSlot(t, self.inventoryRects[i])
}
for i := range self.inventorySlots {
if self.inventorySlots[i].item != 0 && self.inventorySlots[i].quantity > 0 {
self.DrawItemInSlot(t, self.inventorySlots[i].quantity, self.inventorySlots[i].item, self.inventoryRects[i])
}
}
xtools += slotstep * (1.0 + float64(slotsInRow))
gl.PushMatrix()
gl.LoadIdentity()
gl.Translated(xtools, ytools+4*PIXEL_SCALE, 0)
if self.currentCrafting == nil {
inventoryItemFont.Print("Handcrafting")
} else {
inventoryItemFont.Print(self.currentCrafting.Label())
}
gl.PopMatrix()
for i := range self.componentSlots {
x := xtools + float64(i)*slotstep
y := ytools
self.componentRects[i] = Rect{x, y - slotsize, slotsize, slotsize}
self.DrawItemSlot(t, self.componentRects[i])
}
for i, cs := range self.componentSlots {
if cs.item != 0 {
self.DrawItemInSlot(t, cs.quantity, cs.item, self.componentRects[i])
}
}
ytools -= slotstep * 2
for i := range self.productSlots {
x := xtools + slotstep*float64(i%slotsInRow)
y := ytools - slotstep*float64(i/slotsInRow)
self.productRects[i] = Rect{x, y - slotsize, slotsize, slotsize}
self.DrawItemSlot(t, self.productRects[i])
}
for i, ps := range self.productSlots {
if ps != nil {
self.DrawItemInSlot(t, ps.product.quantity, ps.product.item, self.productRects[i])
}
}
ytools -= slotstep * float64(1+len(self.productRects)/slotsInRow)
if self.currentContainer != nil {
gl.PushMatrix()
gl.LoadIdentity()
gl.Translated(xtools, ytools+4*PIXEL_SCALE, 0)
inventoryItemFont.Print(self.currentContainer.Label())
gl.PopMatrix()
for i := range self.containerRects {
x := xtools + slotstep*float64(i%slotsInRow)
y := ytools - slotstep*float64(i/slotsInRow)
self.containerRects[i] = Rect{x, y - slotsize, slotsize, slotsize}
self.DrawItemSlot(t, self.containerRects[i])
}
for i := 0; i < self.currentContainer.Slots(); i++ {
if self.currentContainer.Item(i).item != 0 {
self.DrawItemInSlot(t, self.currentContainer.Item(i).quantity, self.currentContainer.Item(i).item, self.containerRects[i])
}
}
}
var mousex, mousey int
mousestate := sdl.GetMouseState(&mousex, &mousey)
if self.selectedItem != nil {
x, y := viewport.ScreenCoordsToWorld2D(uint16(mousex), uint16(mousey))
self.DrawItem(t, self.selectedItem.quantity, self.selectedItem.item, x, y)
}
self.HandleMouse(mousex, mousey, mousestate)
gl.PopMatrix()
}
func Draw(t int64) {
console.culledVertices = 0
console.vertices = 0
gVertexBuffer.Reset()
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT)
gl.Color4ub(192, 192, 192, 255)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.DEPTH_TEST)
//gl.Enable(gl.FOG)
gl.Enable(gl.LIGHTING)
gl.Enable(gl.LIGHT0)
gl.Enable(gl.COLOR_MATERIAL)
if timeOfDay < 5.3 || timeOfDay > 20.7 {
gl.Enable(gl.LIGHT1)
} else {
gl.Disable(gl.LIGHT1)
}
// CheckGLError()
gl.LoadIdentity()
center := ThePlayer.Position()
// matrix := *viewport.matrix.Float32()
matrix := ModelMatrix().Float32()
gl.MultMatrixf(&matrix[0])
//gl.Translatef(-float32(center[XAXIS]), -float32(center[YAXIS]), -float32(center[ZAXIS]))
// Sun
gl.Materialfv(gl.FRONT, gl.AMBIENT, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.DIFFUSE, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.SPECULAR, []float32{0.1, 0.1, 0.1, 1})
gl.Materialfv(gl.FRONT, gl.SHININESS, []float32{0.0, 0.0, 0.0, 1})
var daylightIntensity float32 = 0.45
var nighttimeIntensity float32 = 0.15
if timeOfDay < 5 || timeOfDay > 21 {
gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{0.2, 0.2, 0.2, 1})
daylightIntensity = 0.01
} else if timeOfDay < 6 {
daylightIntensity = nighttimeIntensity + daylightIntensity*(timeOfDay-5)
} else if timeOfDay > 20 {
daylightIntensity = nighttimeIntensity + daylightIntensity*(21-timeOfDay)
}
gl.LightModelfv(gl.LIGHT_MODEL_AMBIENT, []float32{daylightIntensity / 2.5, daylightIntensity / 2.5, daylightIntensity / 2.5, 1})
gl.Lightfv(gl.LIGHT0, gl.POSITION, []float32{30 * float32(math.Sin(ThePlayer.Heading()*math.Pi/180)), 60, 30 * float32(math.Cos(ThePlayer.Heading()*math.Pi/180)), 0})
gl.Lightfv(gl.LIGHT0, gl.AMBIENT, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
// gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity, daylightIntensity, daylightIntensity,1})
// gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity,1})
gl.Lightfv(gl.LIGHT0, gl.DIFFUSE, []float32{daylightIntensity * 2, daylightIntensity * 2, daylightIntensity * 2, 1})
gl.Lightfv(gl.LIGHT0, gl.SPECULAR, []float32{daylightIntensity, daylightIntensity, daylightIntensity, 1})
// Torch
// ambient := float32(0.6)
// specular := float32(0.6)
// diffuse := float32(1)
// gl.Lightfv(gl.LIGHT1, gl.POSITION, []float32{float32(ThePlayer.position[XAXIS]), float32(ThePlayer.position[YAXIS] + 1), float32(ThePlayer.position[ZAXIS]), 1})
// gl.Lightfv(gl.LIGHT1, gl.AMBIENT, []float32{ambient, ambient, ambient, 1})
// gl.Lightfv(gl.LIGHT1, gl.SPECULAR, []float32{specular, specular, specular, 1})
// gl.Lightfv(gl.LIGHT1, gl.DIFFUSE, []float32{diffuse, diffuse, diffuse, 1})
// gl.Lightf(gl.LIGHT1, gl.CONSTANT_ATTENUATION, 1.5)
// gl.Lightf(gl.LIGHT1, gl.LINEAR_ATTENUATION, 0.5)
// gl.Lightf(gl.LIGHT1, gl.QUADRATIC_ATTENUATION, 0.01)
// gl.Lightf(gl.LIGHT1, gl.SPOT_CUTOFF, 35)
// gl.Lightf(gl.LIGHT1, gl.SPOT_EXPONENT, 2.0)
// gl.Lightfv(gl.LIGHT1, gl.SPOT_DIRECTION, []float32{float32(math.Cos(ThePlayer.Heading() * math.Pi / 180)), float32(-0.7), -float32(math.Sin(ThePlayer.Heading() * math.Pi / 180))})
gl.RenderMode(gl.RENDER)
selectedBlockFace := viewport.SelectedBlockFace()
ThePlayer.Draw(center, selectedBlockFace)
TheWorld.Draw(center, selectedBlockFace)
if pause.visible {
pause.Draw(t)
} else if inventory.visible {
inventory.Draw(t)
} else {
picker.Draw(t)
}
if console.visible {
console.Draw(t)
}
gl.Finish()
gl.Flush()
sdl.GL_SwapBuffers()
// runtime.GC()
}
func (self *Inventory) Draw(t int64) {
gl.MatrixMode(gl.MODELVIEW)
gl.PushMatrix()
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Disable(gl.LIGHTING)
gl.Disable(gl.LIGHT0)
gl.Disable(gl.LIGHT1)
gl.Color4ub(0, 0, 0, 208)
gl.Begin(gl.QUADS)
gl.Vertex2f(float32(viewport.lplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.bplane))
gl.Vertex2f(float32(viewport.rplane), float32(viewport.tplane))
gl.Vertex2f(float32(viewport.lplane), float32(viewport.tplane))
gl.End()
picker.DrawItemHighlight(t, 3)
picker.DrawItemHighlight(t, 4)
picker.DrawItemHighlight(t, 5)
picker.DrawItemHighlight(t, 6)
picker.DrawItemHighlight(t, 7)
picker.DrawPlayerItems(t)
const blocksize = float64(0.3)
const COLSIZE = 12
diam := blocksize * 2.4
offset := diam + float64(4)*PIXEL_SCALE
for i := range self.inventoryRects {
x := float64(viewport.lplane) + float64(10)*PIXEL_SCALE + float64(i/COLSIZE)*offset
y := float64(viewport.tplane) - float64(10)*PIXEL_SCALE - float64(i%COLSIZE)*offset
self.inventoryRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.inventoryRects[i])
}
slot := 0
for i := 1; i < len(ThePlayer.inventory); i++ {
if ThePlayer.inventory[i] > 0 {
self.inventorySlots[slot] = uint16(i)
self.DrawItem(t, ThePlayer.inventory[i], uint16(i), self.inventoryRects[slot])
slot++
}
}
for i := range self.componentSlots {
x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + float64(i)*offset
y := float64(viewport.tplane) - (10.0 * PIXEL_SCALE)
self.componentRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.componentRects[i])
}
for i, cs := range self.componentSlots {
if cs != 0 {
self.DrawItem(t, ThePlayer.inventory[cs], cs, self.componentRects[i])
}
}
for i := range self.productSlots {
x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + offset*float64(i%len(self.componentRects))
y := float64(viewport.tplane) - (10.0 * PIXEL_SCALE) - offset*float64(2+float64(i/len(self.componentRects)))
self.productRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.productRects[i])
}
for i, ps := range self.productSlots {
if ps != nil {
self.DrawItem(t, ps.product.quantity, ps.product.item, self.productRects[i])
}
}
if self.currentContainer != nil {
for i := range self.containerRects {
x := float64(viewport.lplane) + offset*float64(2+len(self.inventoryRects)/COLSIZE) + float64(i)*offset
y := float64(viewport.tplane) - (10.0 * PIXEL_SCALE) - offset*float64(2+float64(len(self.productRects)/len(self.componentRects))) - offset*float64(2+float64(i/len(self.componentRects)))
self.containerRects[i] = Rect{x, y - diam, diam, diam}
self.DrawItemSlot(t, self.containerRects[i])
}
for i := uint16(0); i < self.currentContainer.Slots(); i++ {
item := self.currentContainer.Item(i)
if item != nil {
self.DrawItem(t, item.quantity, item.item, self.containerRects[i])
}
}
gl.PushMatrix()
gl.LoadIdentity()
gl.Translated(self.containerRects[0].x, self.containerRects[0].y+diam, 0)
inventoryItemFont.Print(self.currentContainer.Label())
gl.PopMatrix()
}
var mousex, mousey int
mousestate := sdl.GetMouseState(&mousex, &mousey)
self.HandleMouse(mousex, mousey, mousestate)
gl.PopMatrix()
}
func (t *Light) Disable() {
gl.Disable(getLightName(t.id))
GFreeIds[t.id] = true
t.enabled = false
t.id = -1
}