func (g *graphics) init() error {
if err := g.loadImages(); err != nil {
return err
}
gl.ClearColor(0, 0, 0.7, 1)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
g.fontStash = fontstash.New(512, 512)
fontID, err := g.fontStash.AddFont(resourcePath("MorrisRoman-Black.ttf"))
if err != nil {
return err
}
g.fontStash.SetYInverted(true)
g.font = NewGLFont(g.fontStash, fontID, 45, [4]float32{0, 0, 0, 1})
return nil
}
func main() {
runtime.LockOSThread()
if err := glfw.Init(); err != nil {
panic(err)
}
defer glfw.Terminate()
window, err := glfw.CreateWindow(800, 600, "fontstash example", nil, nil)
if err != nil {
panic(err)
}
window.MakeContextCurrent()
glfw.SwapInterval(1)
gl.Init()
stash := fontstash.New(512, 512)
clearSansRegular, err := stash.AddFont(filepath.Join("..", "ClearSans-Regular.ttf"))
if err != nil {
panic(err)
}
clearSansItalic, err := stash.AddFont(filepath.Join("..", "ClearSans-Italic.ttf"))
if err != nil {
panic(err)
}
clearSansBold, err := stash.AddFont(filepath.Join("..", "ClearSans-Bold.ttf"))
if err != nil {
panic(err)
}
droidJapanese, err := stash.AddFont(filepath.Join("..", "DroidSansJapanese.ttf"))
if err != nil {
panic(err)
}
gl.ClearColor(0.3, 0.3, 0.32, 1.)
for !window.ShouldClose() {
gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 800, 0, 600, -1, 1)
gl.MatrixMode(gl.MODELVIEW)
gl.LoadIdentity()
gl.Disable(gl.DEPTH_TEST)
gl.Color4ub(255, 255, 255, 255)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Disable(gl.TEXTURE_2D)
gl.Begin(gl.QUADS)
gl.Vertex2i(0, -5)
gl.Vertex2i(5, -5)
gl.Vertex2i(5, -11)
gl.Vertex2i(0, -11)
gl.End()
sx := float64(100)
sy := float64(250)
stash.BeginDraw()
dx := sx
dy := sy
dx = stash.DrawText(clearSansRegular, 24, dx, dy, "The quick ", [4]float32{0, 0, 0, 1})
dx = stash.DrawText(clearSansItalic, 48, dx, dy, "brown ", [4]float32{1, 1, 0.5, 1})
dx = stash.DrawText(clearSansRegular, 24, dx, dy, "fox ", [4]float32{0, 1, 0.5, 1})
_, _, lh := stash.VMetrics(clearSansItalic, 24)
dx = sx
dy -= lh * 1.2
dx = stash.DrawText(clearSansItalic, 24, dx, dy, "jumps over ", [4]float32{0, 1, 1, 1})
dx = stash.DrawText(clearSansBold, 24, dx, dy, "the lazy ", [4]float32{1, 0, 1, 1})
dx = stash.DrawText(clearSansRegular, 24, dx, dy, "dog.", [4]float32{0, 1, 0, 1})
dx = sx
dy -= lh * 1.2
dx = stash.DrawText(clearSansRegular, 12, dx, dy, "Now is the time for all good men to come to the aid of the party.", [4]float32{0, 0, 1, 1})
_, _, lh = stash.VMetrics(clearSansItalic, 12)
dx = sx
dy -= lh * 1.2 * 2
dx = stash.DrawText(clearSansItalic, 18, dx, dy, "Ég get etið gler án þess að meiða mig.", [4]float32{1, 0, 0, 1})
_, _, lh = stash.VMetrics(clearSansItalic, 18)
dx = sx
dy -= lh * 1.2
stash.DrawText(droidJapanese, 18, dx, dy, "どこかに置き忘れた、サングラスと打ち明け話。", [4]float32{1, 1, 1, 1})
stash.EndDraw()
gl.Enable(gl.DEPTH_TEST)
window.SwapBuffers()
glfw.PollEvents()
}
}
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()
}
}
}