func main() {
sdl.SetHint(sdl.HINT_RENDER_VSYNC, "1")
check(sdl.Init(sdl.INIT_EVERYTHING))
defer sdl.Quit()
check(mix.Init(mix.INIT_OGG))
defer mix.Quit()
check(mix.OpenAudio(44100, mix.DEFAULT_FORMAT, 1, 512))
defer mix.CloseAudio()
if img.Init(img.INIT_PNG)&img.INIT_PNG == 0 {
panic("error init png")
}
defer img.Quit()
window, renderer, err := sdl.CreateWindowAndRenderer(
640, 480,
sdl.WINDOW_RESIZABLE,
)
check(err)
defer renderer.Destroy()
defer window.Destroy()
window.SetTitle("Gophette's Adventures")
window.SetSize(800, 600)
sdl.ShowCursor(0)
window.SetFullscreen(sdl.WINDOW_FULLSCREEN_DESKTOP)
fullscreen := true
camera := newWindowCamera(window.GetSize())
assetLoader := newSDLAssetLoader(camera, renderer)
defer assetLoader.close()
// charIndex selects which character is being controlled by the user, for
// the final game this must be 0 but for creating the "AI" for Barney, set
// this to 1 and delete the recorded inputs so they are not applied
// additionally to the user controls
var charIndex int
const recordingAI = false // NOTE switch for development mode
if !recordingAI {
charIndex = 0
} else {
charIndex = 1
recordedInputs = recordedInputs[:0]
recordingInput = true
}
game := NewGame(
assetLoader,
&sdlGraphics{renderer, camera},
camera,
charIndex,
)
frameTime := time.Second / 65
lastUpdate := time.Now().Add(-frameTime)
music, err := mix.LoadMUS("./rsc/background_music.ogg")
if err != nil {
fmt.Println("error loading music:", err)
} else {
defer music.Free()
music.FadeIn(-1, 500)
}
for game.Running() {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch event := e.(type) {
case *sdl.KeyDownEvent:
if event.Repeat == 0 {
switch event.Keysym.Sym {
case sdl.K_LEFT:
game.HandleInput(InputEvent{GoLeft, true, charIndex})
case sdl.K_RIGHT:
game.HandleInput(InputEvent{GoRight, true, charIndex})
case sdl.K_UP:
game.HandleInput(InputEvent{Jump, true, charIndex})
case sdl.K_ESCAPE:
game.HandleInput(InputEvent{QuitGame, true, charIndex})
}
}
case *sdl.KeyUpEvent:
switch event.Keysym.Sym {
case sdl.K_LEFT:
game.HandleInput(InputEvent{GoLeft, false, charIndex})
case sdl.K_RIGHT:
game.HandleInput(InputEvent{GoRight, false, charIndex})
case sdl.K_UP:
game.HandleInput(InputEvent{Jump, false, charIndex})
case sdl.K_F11:
if fullscreen {
window.SetFullscreen(0)
} else {
window.SetFullscreen(sdl.WINDOW_FULLSCREEN_DESKTOP)
}
fullscreen = !fullscreen
case sdl.K_ESCAPE:
game.HandleInput(InputEvent{QuitGame, false, charIndex})
}
case *sdl.WindowEvent:
if event.Event == sdl.WINDOWEVENT_SIZE_CHANGED {
width, height := int(event.Data1), int(event.Data2)
camera.setWindowSize(width, height)
}
case *sdl.QuitEvent:
game.HandleInput(InputEvent{QuitGame, true, charIndex})
}
}
now := time.Now()
dt := now.Sub(lastUpdate)
if dt > frameTime {
game.Update()
lastUpdate = now
}
check(renderer.SetDrawColor(0, 95, 83, 255))
check(renderer.Clear())
game.Render()
renderer.Present()
}
}
func main() {
fmt.Print()
sdl.SetHint(sdl.HINT_RENDER_VSYNC, "1")
check(sdl.Init(sdl.INIT_EVERYTHING))
defer sdl.Quit()
window, r, err := sdl.CreateWindowAndRenderer(
640, 480,
sdl.WINDOW_RESIZABLE,
)
check(err)
renderer = r
defer renderer.Destroy()
defer window.Destroy()
window.SetTitle("Gophette's Adventures - Level Editor")
window.SetPosition(50, 50)
window.SetSize(1800, 900)
window.SetFullscreen(sdl.WINDOW_FULLSCREEN_DESKTOP)
renderer.SetDrawBlendMode(sdl.BLENDMODE_BLEND)
if len(LevelImages) == 0 {
for i, id := range []string{
"grass left",
"grass right",
"grass center 1",
"grass center 2",
"grass center 3",
"small tree",
} {
images = append(images, image{id, loadImage(id), 0, i * 50})
}
} else {
for i := range LevelImages {
id := LevelImages[i].ID
x, y := LevelImages[i].X, LevelImages[i].Y
img := loadImage(id)
images = append(images, image{id, img, x, y})
}
}
leftDown := false
middleDown := false
rightDown := false
selectedImage := -1
selectedObject := -1
var lastX, lastY int
moveImage := func(dx, dy int) {
if selectedImage != -1 {
images[selectedImage].x += dx
images[selectedImage].y += dy
}
}
stretchObject := func(dx, dy int) {
if selectedObject != -1 {
if sdl.GetKeyboardState()[sdl.SCANCODE_LCTRL] != 0 {
dx *= 20
dy *= 20
}
obj := &LevelObjects[selectedObject]
obj.W += dx
obj.H += dy
}
}
running := true
for running {
for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
switch event := e.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.MouseButtonEvent:
if event.Button == sdl.BUTTON_LEFT {
leftDown = event.State == sdl.PRESSED
if !leftDown {
draggingImage = false
draggingObject = false
} else {
selectedObject = -1
selectedImage = -1
for i := range images {
if images[i].contains(
int(event.X)-cameraX,
int(event.Y)-cameraY,
) {
draggingImage = true
selectedImage = i
}
}
if selectedImage == -1 {
for i := range LevelObjects {
if contains(LevelObjects[i],
int(event.X)-cameraX,
int(event.Y)-cameraY,
) {
draggingObject = true
selectedObject = i
}
}
}
}
}
if event.Button == sdl.BUTTON_MIDDLE {
middleDown = event.State == sdl.PRESSED
}
if event.Button == sdl.BUTTON_RIGHT {
rightDown = event.State == sdl.PRESSED
LevelObjects = append(LevelObjects, LevelObject{
int(event.X) - cameraX,
int(event.Y) - cameraY,
0,
0,
true,
})
selectedObject = -1
}
case *sdl.MouseMotionEvent:
dx, dy := int(event.X)-lastX, int(event.Y)-lastY
if selectedImage != -1 && draggingImage {
img := &images[selectedImage]
img.x += dx
img.y += dy
}
if selectedObject != -1 && draggingObject {
obj := &LevelObjects[selectedObject]
obj.X += dx
obj.Y += dy
}
lastX, lastY = int(event.X), int(event.Y)
if middleDown {
cameraX += dx
cameraY += dy
}
if rightDown {
last := &LevelObjects[len(LevelObjects)-1]
last.W += dx
last.H += dy
}
case *sdl.KeyDownEvent:
switch event.Keysym.Sym {
case sdl.K_ESCAPE:
running = false
case sdl.K_LEFT:
cameraX += 100
case sdl.K_RIGHT:
cameraX -= 100
case sdl.K_UP:
cameraY += 100
case sdl.K_DOWN:
cameraY -= 100
case sdl.K_a:
moveImage(-1, 0)
case sdl.K_d:
moveImage(1, 0)
case sdl.K_w:
moveImage(0, -1)
case sdl.K_s:
moveImage(0, 1)
case sdl.K_j:
stretchObject(-1, 0)
case sdl.K_l:
stretchObject(1, 0)
case sdl.K_i:
stretchObject(0, -1)
case sdl.K_k:
stretchObject(0, 1)
case sdl.K_MINUS:
if selectedImage != -1 && selectedImage != 0 {
images = append(append(
[]image{images[selectedImage]},
images[0:selectedImage]...),
images[selectedImage+1:]...,
)
selectedImage = 0
}
case sdl.K_PLUS:
last := len(images) - 1
fmt.Println("last", last, len(images))
fmt.Println("selectedImage", selectedImage)
if selectedImage != -1 && selectedImage != last {
images = append(append(
images[0:selectedImage],
images[selectedImage+1:]...),
images[selectedImage],
)
selectedImage = last
fmt.Println("selectedImage after", selectedImage)
}
case sdl.K_SPACE:
if selectedObject != -1 {
obj := &LevelObjects[selectedObject]
obj.Solid = !obj.Solid
}
case sdl.K_c:
if selectedImage != -1 {
copy := images[selectedImage]
copy.x += 10
copy.y += 10
images = append(images, copy)
}
case sdl.K_DELETE:
if selectedImage != -1 {
images = append(images[:selectedImage], images[selectedImage+1:]...)
selectedImage = -1
} else if selectedObject != -1 {
LevelObjects = append(
LevelObjects[:selectedObject],
LevelObjects[selectedObject+1:]...,
)
selectedObject = -1
}
case sdl.K_F3:
saveLevel()
}
}
}
renderer.SetDrawColor(backColor[0], backColor[1], backColor[2], 255)
renderer.Clear()
for i, img := range images {
img.render(i == selectedImage)
}
for i, obj := range LevelObjects {
var g uint8 = 0
var a uint8 = 100
if i == selectedObject {
g = 255
}
renderer.SetDrawColor(0, g, 0, a)
if obj.Solid {
renderer.SetDrawColor(0, g, 255, a)
}
obj.X += cameraX
obj.Y += cameraY
r := sdl.Rect{int32(obj.X), int32(obj.Y), int32(obj.W), int32(obj.H)}
renderer.FillRect(&r)
}
renderer.Present()
}
}
func main() {
flag.Parse()
fmt.Sscanf(arguments.windowSize, "%d,%d", &screenWidth, &screenHeight)
fmt.Sscanf(arguments.resolution, "%d,%d", &resolutionX, &resolutionY)
fp, err := os.Open(arguments.inputFile)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
defer fp.Close()
tree, vpa, err := trace.LoadOctree(fp)
if err != nil {
panic(err)
}
maxDepth := trace.TreeWidthToDepth(vpa)
sdl.Init(sdl.INIT_EVERYTHING)
defer sdl.Quit()
title := "AJ's Raytracer"
window, err := sdl.CreateWindow(title, sdl.WINDOWPOS_UNDEFINED, sdl.WINDOWPOS_UNDEFINED, screenWidth, screenHeight, sdl.WINDOW_SHOWN)
if err != nil {
panic(err)
}
defer window.Destroy()
sdl.SetRelativeMouseMode(true)
renderer, err := sdl.CreateRenderer(window, -1, sdl.RENDERER_ACCELERATED)
if err != nil {
panic(err)
}
defer renderer.Destroy()
sdl.SetHint(sdl.HINT_RENDER_SCALE_QUALITY, arguments.scaleFilter)
renderer.SetLogicalSize(resolutionX, resolutionY)
renderer.SetDrawColor(0, 0, 0, 255)
rect := image.Rect(0, 0, resolutionX, resolutionY)
if arguments.enableJitter {
rect.Max.X /= 2
}
surfaces := [2]*image.RGBA{image.NewRGBA(rect), image.NewRGBA(rect)}
backBuffer := image.NewRGBA(image.Rect(0, 0, resolutionX, resolutionY))
texture, err := renderer.CreateTexture(sdl.PIXELFORMAT_ABGR8888, sdl.TEXTUREACCESS_STREAMING, resolutionX, resolutionY)
if err != nil {
panic(err)
}
defer texture.Destroy()
var pos [3]float32
fmt.Sscanf(arguments.treePosition, "%f,%f,%f", &pos[0], &pos[1], &pos[2])
cfg := trace.Config{
FieldOfView: float32(arguments.fieldOfView),
TreeScale: float32(arguments.treeScale),
TreePosition: pos,
ViewDist: float32(arguments.viewDistance),
Images: surfaces,
Jitter: arguments.enableJitter,
MultiThreaded: arguments.multiThreaded,
Depth: enableDepthTest,
}
raytracer := trace.NewRaytracer(cfg)
defer raytracer.Close()
camera := trace.FreeFlightCamera{XRot: 0, YRot: 0}
nf := 0
dt := time.Duration(1000 / 60)
ft := time.Duration(nf)
if arguments.pprof {
go func() {
fmt.Fprintln(os.Stderr, http.ListenAndServe("localhost:6060", nil))
}()
fp, err := os.Create("raytracer.pprof")
if err != nil {
panic(err)
}
defer fp.Close()
pprof.StartCPUProfile(fp)
defer pprof.StopCPUProfile()
}
for {
t := time.Now()
dtf := float32(dt / time.Millisecond)
for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
switch t := event.(type) {
case *sdl.QuitEvent:
return
case *sdl.MouseMotionEvent:
if enableInput {
camera.XRot -= dtf * float32(t.XRel) * mouseSpeed
camera.YRot -= dtf * float32(t.YRel) * mouseSpeed
}
case *sdl.KeyUpEvent:
switch t.Keysym.Sym {
case sdl.K_ESCAPE:
return
case sdl.K_f:
toggleFullscreen(window)
case sdl.K_c:
if !arguments.ppm {
fmt.Println("Camera:", camera)
}
case sdl.K_SPACE:
enableInput = !enableInput
sdl.SetRelativeMouseMode(enableInput)
}
}
}
renderer.Clear()
if enableInput || arguments.ppm || arguments.pprof {
if enableInput {
moveCamera(&camera, dtf)
window.WarpMouseInWindow(screenWidth/2, screenHeight/2)
}
if enableDepthTest {
raytracer.ClearDepth(raytracer.Frame())
}
raytracer.Trace(&camera, tree, maxDepth)
}
if arguments.enableJitter {
if err := trace.Reconstruct(raytracer.Image(0), raytracer.Image(1), backBuffer); err != nil {
panic(err)
}
} else {
backBuffer = surfaces[0]
}
texture.Update(nil, unsafe.Pointer(&backBuffer.Pix[0]), backBuffer.Stride)
renderer.Copy(texture, nil, nil)
renderer.Present()
if arguments.ppm {
writePPM(backBuffer)
}
dt = time.Since(t)
ft += dt
nf++
if ft >= time.Second {
window.SetTitle(fmt.Sprintf("%v - fps: %v, dt: %vms", title, nf, int(ft/time.Millisecond)/nf))
nf = 0
ft = 0
}
}
}