5 Commits

18 changed files with 636 additions and 411 deletions

View File

@@ -1,61 +0,0 @@
package elements
import (
"context"
"image/color"
"git.vezzani.net/ben/games/common/ux/v1"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/vector"
"golang.org/x/image/font"
)
type Block struct {
Label string
Style struct {
Width float32
Height float32
XAlign XAlign
YAlign YAlign
Offset int
Font *font.Face
BackgroundColor *color.Color
}
}
func (b *Block) backgroundColor() color.Color {
var c *color.Color
if b.Style.BackgroundColor != nil {
c = b.Style.BackgroundColor
} else {
c = &ux.BackgroundColor
}
return *c
}
func (b *Block) size(ctx context.Context) (x, y float32) {
x = b.Style.Width
y = b.Style.Height
if x == 0 || y == 0 {
px, py := GetContainerSize(ctx)
if x == 0 {
x = px
}
if y == 0 {
y = py
}
}
return
}
func (b *Block) Draw(ctx context.Context, image *ebiten.Image) error {
xz, yz := GetZero(ctx)
w, h := b.size(ctx)
vector.StrokeRect(image, xz, yz, w, h, 1, b.backgroundColor(), true)
return nil
}

View File

@@ -0,0 +1,73 @@
package blocks
import (
"image/color"
"git.vezzani.net/ben/games/common/elements/v1"
"git.vezzani.net/ben/games/common/elements/v1/mouse"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/vector"
)
func New(ops ...OptFunc) elements.InitFunc {
return func() elements.Element {
b := Block{}
for i := range ops {
ops[i](&b)
}
return &b
}
}
type Block struct {
anchor elements.Point
backgroundColor *color.Color
mouse.NopHandler
width, height int
name string
}
func (b *Block) SetAnchor(a elements.Point) {
d := b.anchor.Delta(a)
for i := range b.Children() {
b.Children()[i].SetAnchor(b.Children()[i].Anchor().Add(d))
}
b.anchor = a
}
func (b *Block) Bounds() elements.Bounds {
return elements.Bounds{
Min: b.anchor,
Width: b.width,
Height: b.height,
}
}
func (b *Block) Anchor() elements.Point {
return b.anchor
}
func (b *Block) Size() (w, h int) {
return b.width, b.height
}
func (b *Block) Draw(image *ebiten.Image) {
bnd := b.Bounds()
if b.backgroundColor != nil {
vector.DrawFilledRect(
image,
float32(b.anchor.X),
float32(b.anchor.Y),
float32(bnd.Width),
float32(bnd.Height),
*b.backgroundColor,
true,
)
}
return
}
func (b *Block) Children() []elements.Element {
return nil
}

View File

@@ -0,0 +1,23 @@
package blocks
import "image/color"
type OptFunc func(*Block)
func Size(w, h int) OptFunc {
return func(b *Block) {
b.width, b.height = w, h
}
}
func BackgroundColor(c color.Color) OptFunc {
return func(b *Block) {
b.backgroundColor = &c
}
}
func Name(n string) OptFunc {
return func(b *Block) {
b.name = n
}
}

View File

@@ -1,76 +0,0 @@
package elements
import (
"context"
"image/color"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/vector"
"golang.org/x/image/font"
)
import "git.vezzani.net/ben/games/common/ux/v1"
type XAlign int
type YAlign int
const (
AlignCente XAlign = iota
AlignLeft
AlignRight
)
const (
AlignCenter YAlign = iota
AlignTop
AlignBottom
)
type Button struct {
mouseHandler
Block
Label string
OnClick func() error
OnRightClick func() error
Style struct {
MouseDownColor *color.Color
}
}
func (b *Button) HandleClick(_ MouseState) error {
if b.OnClick == nil {
return nil
}
return b.OnClick()
}
func (b *Button) getFont() font.Face {
if b.Block.Style.Font == nil {
return ux.FontFace
}
return *b.Block.Style.Font
}
func (b *Button) backgroundColor() color.Color {
var c *color.Color
if b.Block.Style.BackgroundColor != nil {
c = b.Block.Style.BackgroundColor
} else {
c = &ux.BackgroundColor
}
if (b.mouseState.RightDown || b.mouseState.LeftDown) && b.Style.MouseDownColor != nil {
c = b.Style.MouseDownColor
}
return *c
}
func (b *Button) Draw(ctx context.Context, image *ebiten.Image) error {
xz, yz := GetZero(ctx)
w, h := b.size(ctx)
vector.StrokeRect(image, xz, yz, w, h, 1, b.backgroundColor(), true)
return nil
}

View File

@@ -0,0 +1,84 @@
package buttons
import (
"image/color"
"git.vezzani.net/ben/games/common/elements/v1"
"git.vezzani.net/ben/games/common/elements/v1/blocks"
"git.vezzani.net/ben/games/common/elements/v1/mouse"
"git.vezzani.net/ben/games/common/ux/v1"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/text"
"golang.org/x/image/font"
)
func New(ops ...OptFunc) elements.InitFunc {
return func() elements.Element {
b := Button{
Block: blocks.Block{},
font: ux.FontFace,
color: ux.FontColor,
}
for op := range ops {
ops[op](&b)
}
return &b
}
}
type Button struct {
blocks.Block
label string
font font.Face
color color.Color
onClick func(ms mouse.State)
onMouseDown func(ms mouse.State)
onMouseUp func(ms mouse.State)
}
func (b *Button) Draw(screen *ebiten.Image) {
b.Block.Draw(screen)
b.drawLabel(screen)
}
func (b *Button) drawLabel(screen *ebiten.Image) {
if b.label != "" {
strBounds, _ := font.BoundString(b.font, b.label)
textWidth := strBounds.Max.X - strBounds.Min.X
textHeight := strBounds.Max.Y - strBounds.Min.Y
bnd := b.Bounds()
tx := bnd.Min.X + (bnd.Width / 2) - (textWidth / 2).Round()
ty := bnd.Min.Y + (bnd.Height / 2) - (textHeight / 2).Round()
text.Draw(screen, b.label, b.font, tx, ty, b.color)
}
}
func (b *Button) HandleMouseEvent(ms mouse.State) bool {
bnd := b.Bounds()
if !bnd.Contains(ms.Point()) {
return false
}
switch {
case b.onClick != nil && (ms.RightClicked || ms.LeftClicked):
b.onClick(ms)
return true
case b.onMouseUp != nil && (ms.RightChanged && !ms.RightDown || ms.LeftChanged && !ms.LeftDown):
b.onMouseUp(ms)
return true
case b.onMouseDown != nil && (ms.RightChanged && ms.RightDown || ms.LeftChanged && ms.LeftDown):
b.onMouseDown(ms)
return true
}
return false
}

View File

@@ -0,0 +1,50 @@
package buttons
import (
"image/color"
"git.vezzani.net/ben/games/common/elements/v1/blocks"
"git.vezzani.net/ben/games/common/elements/v1/mouse"
)
type OptFunc func(button *Button)
type Option interface {
OptFunc | blocks.OptFunc
}
func OnClick(f func(ms mouse.State)) OptFunc {
return func(button *Button) {
button.onClick = f
}
}
func OnMouseDown(f func(ms mouse.State)) OptFunc {
return func(button *Button) {
button.onMouseDown = f
}
}
func OnMouseUp(f func(ms mouse.State)) OptFunc {
return func(button *Button) {
button.onMouseUp = f
}
}
func BlockOpt(o blocks.OptFunc) OptFunc {
return func(s *Button) {
o(&s.Block)
}
}
func Label(s string) OptFunc {
return func(button *Button) {
button.label = s
}
}
func LabelColor(color color.Color) OptFunc {
return func(button *Button) {
button.color = color
}
}

View File

@@ -1,92 +1,42 @@
package elements
import (
"context"
"github.com/hajimehoshi/ebiten/v2"
)
type MouseState struct {
X, Y int32
LeftDown, RightDown bool
LeftChanged, RightChanged bool
}
const (
ContainerSizeKey = "container_size"
ZeroKey = "zero"
)
type Clickable interface {
Element
HandleClick(ctx context.Context, s MouseState) error
}
type Mouseable interface {
Element
HandleMouseEnter(ctx context.Context, s MouseState) error
HandleMouseLeave(ctx context.Context, s MouseState) error
HandleMouseMove(ctx context.Context, s MouseState) error
HandleMouseDown(ctx context.Context, s MouseState) error
HandleMouseUp(ctx context.Context, s MouseState) error
}
type InitFunc func() Element
type Element interface {
Draw(ctx context.Context, image *ebiten.Image) error
Draw(*ebiten.Image)
SetAnchor(Point)
Anchor() Point
Size() (w, h int)
Children() []Element
}
func SetZero(ctx context.Context, x, y float32) context.Context {
return context.WithValue(ctx, ZeroKey, [2]float32{x, y})
type Point struct {
X, Y int
}
func SetContainerSize(ctx context.Context, w, h float32) context.Context {
return context.WithValue(ctx, ContainerSizeKey, [2]float32{w, h})
}
func GetZero(ctx context.Context) (x, y float32) {
if v, ok := ctx.Value(ZeroKey).([2]float32); ok {
return v[0], v[1]
func (p Point) Delta(p2 Point) Point {
return Point{
X: p2.X - p.X,
Y: p2.Y - p.Y,
}
return 0, 0
}
func GetContainerSize(ctx context.Context) (w, h float32) {
if s, ok := ctx.Value(ContainerSizeKey).([2]float32); ok {
return s[0], s[1]
func (p Point) Add(p2 Point) Point {
return Point{
X: p.X + p2.X,
Y: p.Y + p2.Y,
}
return 0, 0
}
type mouseHandler struct {
mouseState MouseState
prevMouseState MouseState
type Bounds struct {
Min Point
Width, Height int
}
func (b *mouseHandler) HandleMouseEnter(s MouseState) error {
b.mouseState = s
return nil
}
func (b *mouseHandler) HandleMouseLeave(s MouseState) error {
b.prevMouseState = b.mouseState
b.mouseState = MouseState{}
return nil
}
func (b *mouseHandler) HandleMouseMove(s MouseState) error {
b.prevMouseState = b.mouseState
b.mouseState = s
return nil
}
func (b *mouseHandler) HandleMouseDown(s MouseState) error {
b.prevMouseState = b.mouseState
b.mouseState = s
return nil
}
func (b *mouseHandler) HandleMouseUp(s MouseState) error {
b.prevMouseState = b.mouseState
b.mouseState = s
return nil
func (b *Bounds) Contains(p Point) bool {
return p.X >= b.Min.X && p.X <= b.Min.X+b.Width && p.Y >= b.Min.Y && p.Y <= b.Min.Y+b.Height
}

View File

@@ -1 +0,0 @@
package elements

View File

@@ -0,0 +1,93 @@
package mouse
import (
"git.vezzani.net/ben/games/common/elements/v1"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/inpututil"
)
type NopHandler struct{}
func (n NopHandler) HandleMouseEvent(s State) bool {
return false
}
type EventHandler interface {
HandleMouseEvent(s State) bool
}
type State struct {
X, Y int
LeftDown, RightDown bool
LeftChanged, RightChanged bool
LeftClicked, RightClicked bool
Clicked bool
}
func (s *State) Point() elements.Point {
return elements.Point{
X: s.X,
Y: s.Y,
}
}
func Handler(e elements.Element) func() bool {
newState := StateBuilder()
ms := newState()
return func() bool {
ms = newState()
return propagateMouse(e, ms)
}
}
func propagateMouse(e elements.Element, ms State) bool {
for _, c := range e.Children() {
if propagateMouse(c, ms) {
return true
}
}
if e, ok := e.(EventHandler); ok {
return e.HandleMouseEvent(ms)
}
return false
}
func StateBuilder() func() State {
prevState := State{}
state := State{}
return func() State {
state = prevState
state.X, state.Y = ebiten.CursorPosition()
if inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonLeft) {
state.LeftDown = true
}
if inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonRight) {
state.RightDown = true
}
if inpututil.IsMouseButtonJustReleased(ebiten.MouseButtonLeft) {
state.LeftDown = false
if !state.RightDown {
state.Clicked = true
}
}
if inpututil.IsMouseButtonJustReleased(ebiten.MouseButtonRight) {
state.RightDown = false
if !state.LeftDown {
state.Clicked = true
}
}
state.Clicked = state.Clicked && !prevState.Clicked
state.LeftChanged = state.LeftDown != prevState.LeftDown
state.RightChanged = state.RightDown != prevState.RightDown
state.LeftClicked = state.LeftChanged && state.LeftDown
state.RightClicked = state.RightChanged && state.RightDown
prevState = state
return state
}
}

View File

@@ -0,0 +1,19 @@
package stacks
import (
"git.vezzani.net/ben/games/common/elements/v1"
)
type OptFunc func(*Stack)
func Children(children ...elements.InitFunc) OptFunc {
return func(s *Stack) {
s.childrenInit = children
}
}
func Horizontal() OptFunc {
return func(s *Stack) {
s.horizontal = true
}
}

View File

@@ -0,0 +1,83 @@
package stacks
import (
"git.vezzani.net/ben/games/common/elements/v1"
"git.vezzani.net/ben/games/common/elements/v1/mouse"
"github.com/hajimehoshi/ebiten/v2"
)
func New(ops ...OptFunc) elements.InitFunc {
return func() elements.Element {
s := Stack{}
for op := range ops {
ops[op](&s)
}
s.children = make([]elements.Element, len(s.childrenInit))
var cw, ch int
anchor := s.anchor
for i := range s.childrenInit {
s.children[i] = s.childrenInit[i]()
s.children[i].SetAnchor(anchor)
cw, ch = s.children[i].Size()
if s.horizontal {
anchor.X += cw
} else {
anchor.Y += ch
}
}
return &s
}
}
type Stack struct {
mouse.NopHandler
anchor elements.Point
horizontal bool
childrenInit []elements.InitFunc
children []elements.Element
}
func (s *Stack) SetAnchor(a elements.Point) {
d := s.anchor.Delta(a)
for i := range s.Children() {
s.Children()[i].SetAnchor(s.Children()[i].Anchor().Add(d))
}
s.anchor = a
}
func (s *Stack) Anchor() elements.Point {
return s.anchor
}
func (s *Stack) Size() (w, h int) {
var cw, ch int
for i := range s.children {
cw, ch = s.children[i].Size()
if s.horizontal {
w += cw
if h < ch {
h = ch
}
} else {
h += ch
if w < cw {
w = cw
}
}
}
return
}
func (s *Stack) Draw(image *ebiten.Image) {
for i := range s.children {
s.children[i].Draw(image)
}
}
func (s *Stack) Children() []elements.Element {
return s.children
}

View File

@@ -1,100 +0,0 @@
package elements
import (
"context"
"fmt"
"github.com/hajimehoshi/ebiten/v2"
)
type Table struct {
mouseHandler
Block
ColumnCount int
RowCount int
Cells []Element
Style struct {
}
mouseOverCell int
}
func (t *Table) HandleClick(ctx context.Context, s MouseState) error {
address := t.getAddressUnderMouse()
if address < 0 || address >= len(t.Cells) {
return fmt.Errorf("cell address under mouse is out of bounds")
}
if clickable, ok := t.Cells[address].(Clickable); ok {
return clickable.HandleClick(s)
}
return nil
}
func (t *Table) HandleMouseEnter(ctx context.Context, s MouseState) error {
_ = t.mouseHandler.HandleMouseEnter(s)
address := t.getAddressUnderMouse()
if address < 0 || address >= len(t.Cells) {
return fmt.Errorf("cell address under mouse is out of bounds")
}
if mouseable, ok := t.Cells[address].(Mouseable); ok {
s.X -=
return mouseable.HandleMouseEnter(s)
}
return nil
}
func (t *Table) HandleMouseLeave(ctx context.Context, s MouseState) error {
_ = t.mouseHandler.HandleMouseLeave(s)
return nil
}
func (t *Table) HandleMouseMove(ctx context.Context, s MouseState) error {
_ = t.mouseHandler.HandleMouseMove(s)
return nil
}
func (t *Table) HandleMouseDown(ctx context.Context, s MouseState) error {
_ = t.mouseHandler.HandleMouseDown(s)
return nil
}
func (t *Table) HandleMouseUp(ctx context.Context, s MouseState) error {
_ = t.mouseHandler.HandleMouseUp(s)
return nil
}
func (t *Table) CellSize(ctx context.Context) (w, h float32) {
w, h = GetContainerSize(ctx)
return w / float32(t.ColumnCount), h / float32(t.RowCount)
}
func (t *Table) CellZero(ctx context.Context, addr int) (x, y float32) {
x, y = GetZero(ctx)
w, h := t.CellSize(ctx)
col, row := addr%t.ColumnCount, addr/t.ColumnCount
return x + float32(col)*w, y + float32(row) + h
}
func (t *Table) Draw(ctx context.Context, screen *ebiten.Image) error {
}
func (t *Table) contextForCell(ctx context.Context, addr int) context.Context {
zx, zy := t.CellZero(ctx, addr)
w, h := t.CellSize(ctx)
ctx = SetZero(ctx, zx, zy)
ctx = SetContainerSize(ctx, w, h)
return ctx
}
func (t *Table) getAddressUnderMouse() int {
return int(t.mouseState.Y)*t.RowCount + int(t.mouseState.X)
}

View File

@@ -3,7 +3,7 @@ package sprites
import (
"image"
"git.vezzani.net/ben/games/common/window/v1"
"git.vezzani.net/ben/games/common/ux/v1"
"github.com/hajimehoshi/ebiten/v2"
)
@@ -16,9 +16,9 @@ func Update() {
}
type animation struct {
RowNumber uint8
FrameCount uint8
Scale float32
RowNumber uint8
TickCount uint8
Scale float32
}
type subImager interface {
@@ -31,7 +31,12 @@ type Sprite struct {
imgData subImager
animations map[string]animation
baseAnim *animation
baseAnim *animation
currentAnim *animation
animationStartedAt int
animationStopAt int
animateOnce bool
}
func (s *Sprite) baseAnimation() animation {
@@ -50,22 +55,17 @@ func (s *Sprite) baseAnimation() animation {
return animation{}
}
func (s *Sprite) getAnimation(id string) animation {
if id == "" {
return s.baseAnimation()
func (s *Sprite) getAnimation() animation {
if s.currentAnim != nil {
return *s.currentAnim
}
if anim, ok := s.animations[id]; ok {
return anim
}
return s.baseAnimation()
}
func (s *Sprite) Image(ops imageOptions) image.Image {
anim := s.getAnimation(ops.animation)
anim := s.getAnimation()
xOffset := updateCount % int(anim.FrameCount) * s.width
xOffset := updateCount % int(anim.TickCount) * s.width
yOffset := int(anim.RowNumber) * s.height
r := image.Rect(xOffset, yOffset, s.width, s.height).Intersect(s.imgData.Bounds())
@@ -74,9 +74,12 @@ func (s *Sprite) Image(ops imageOptions) image.Image {
}
func (s *Sprite) Draw(screen *ebiten.Image, options ...ImageOption) {
if s.getAnimation().RowNumber == 0 {
}
ops := imageOptions{
scaleX: window.Scale,
scaleY: window.Scale,
scaleX: ux.Scale,
scaleY: ux.Scale,
}
for _, o := range options {
@@ -98,11 +101,28 @@ func (s *Sprite) Draw(screen *ebiten.Image, options ...ImageOption) {
)
}
func (s *Sprite) StartAnimation(id string, once bool) {
if a, ok := s.animations[id]; ok {
s.currentAnim = &a
}
if once {
s.animateOnce = true
s.animationStopAt = updateCount + int(s.currentAnim.TickCount)
}
s.animationStartedAt = updateCount
}
func (s *Sprite) StopAnimation() {
s.currentAnim = nil
s.animationStartedAt = 0
s.animationStopAt = 0
s.animateOnce = false
}
type imageOptions struct {
x, y float64
scaleX, scaleY float64
rotateTheta float64
animation string
}
type ImageOption func(options *imageOptions)
@@ -114,12 +134,6 @@ func ToScale(x, y float64) ImageOption {
}
}
func Animation(name string) ImageOption {
return func(o *imageOptions) {
o.animation = name
}
}
func AtPosition(x, y float64) ImageOption {
return func(o *imageOptions) {
o.x, o.y = x, y

View File

@@ -9,6 +9,7 @@ import (
var (
FontFace font.Face = basicfont.Face7x13
FontColor color.Color = color.Black
BackgroundColor color.Color = color.White
Scale float64 = 1.0
)

View File

@@ -0,0 +1,85 @@
package main
import (
"git.vezzani.net/ben/games/common/elements/v1"
"git.vezzani.net/ben/games/common/elements/v1/blocks"
"git.vezzani.net/ben/games/common/elements/v1/buttons"
"git.vezzani.net/ben/games/common/elements/v1/mouse"
"git.vezzani.net/ben/games/common/elements/v1/stacks"
"git.vezzani.net/ben/games/common/sprites/v1"
"github.com/hajimehoshi/ebiten/v2"
"golang.org/x/image/colornames"
)
var root = stacks.New(
stacks.Horizontal(),
//stacks.BlockOpt(blocks.BackgroundColor(color.White)),
//stacks.BlockOpt(blocks.Name("parent")),
stacks.Children(
stacks.New(
//stacks.BlockOpt(blocks.Name("left")),
stacks.Children(
buttons.New(
buttons.BlockOpt(blocks.Size(100, 100)),
buttons.Label("hello"),
buttons.BlockOpt(blocks.BackgroundColor(colornames.Green)),
buttons.OnClick(func(ms mouse.State) {
println("green")
}),
),
blocks.New(
blocks.Size(100, 100),
blocks.BackgroundColor(colornames.Yellow),
),
),
),
stacks.New(
//stacks.BlockOpt(blocks.Name("right")),
stacks.Children(
blocks.New(
blocks.Size(100, 100),
blocks.BackgroundColor(colornames.Blue),
),
blocks.New(
blocks.Size(100, 100),
blocks.BackgroundColor(colornames.Red),
),
),
),
),
)
func newEditor() *editor {
return &editor{}
}
type editor struct {
root elements.Element
bounds elements.Bounds
handleMouse func() bool
}
func (e *editor) Update() error {
sprites.Update()
e.handleMouse()
return nil
}
func (e *editor) Draw(screen *ebiten.Image) {
e.root.Draw(screen)
}
func (e *editor) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
if e.bounds.Width != outsideWidth || e.bounds.Height != outsideHeight {
e.bounds = elements.Bounds{
Min: elements.Point{},
Width: outsideWidth,
Height: outsideHeight,
}
e.root = root()
e.handleMouse = mouse.Handler(e.root)
}
return outsideWidth, outsideHeight
}

View File

@@ -0,0 +1,15 @@
package main
import (
"github.com/hajimehoshi/ebiten/v2"
)
func main() {
ebiten.SetWindowSize(480, 320)
ebiten.SetWindowResizingMode(ebiten.WindowResizingModeEnabled)
ebiten.SetWindowTitle("Component/Layout Test")
e := newEditor()
if err := ebiten.RunGame(e); err != nil {
panic(err)
}
}

48
tools/spritedit/editor.go Normal file
View File

@@ -0,0 +1,48 @@
package main
import (
"image/color"
"git.vezzani.net/ben/games/common/elements/v1"
"git.vezzani.net/ben/games/common/elements/v1/blocks"
"git.vezzani.net/ben/games/common/elements/v1/stacks"
"git.vezzani.net/ben/games/common/sprites/v1"
"github.com/hajimehoshi/ebiten/v2"
"golang.org/x/image/colornames"
)
var menu = stacks.New(
stacks.BlockOpt(blocks.BackgroundColor(color.White)),
stacks.BlockOpt(blocks.Size(100, 200)),
stacks.Children(
blocks.New(blocks.BackgroundColor(colornames.Green)),
blocks.New(),
),
)
func newEditor() *editor {
return &editor{}
}
type editor struct {
}
func (e *editor) Update() error {
sprites.Update()
return nil
}
func (e *editor) Draw(screen *ebiten.Image) {
b := screen.Bounds()
menu(elements.Bounds{
ZX: float64(b.Min.X),
ZY: float64(b.Min.Y),
WX: float64(b.Max.X),
WY: float64(b.Max.Y),
}).Draw(screen)
}
func (e *editor) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
return outsideWidth, outsideHeight
}

View File

@@ -1,90 +1,15 @@
package main
import (
"bytes"
"github.com/ebitenui/ebitenui"
"github.com/ebitenui/ebitenui/image"
"github.com/ebitenui/ebitenui/widget"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/text/v2"
"golang.org/x/image/colornames"
"golang.org/x/image/font/gofont/goregular"
)
type Editor struct {
ui *ebitenui.UI
}
func NewEditor() *Editor {
root := widget.NewContainer(
widget.ContainerOpts.BackgroundImage(
image.NewNineSliceColor(colornames.Gainsboro),
))
root.AddChild(
widget.NewButton(
widget.ButtonOpts.TextLabel("Open Sprite Sheet..."),
widget.ButtonOpts.TextFace(DefaultFont()),
widget.ButtonOpts.TextColor(&widget.ButtonTextColor{
Idle: colornames.Gainsboro,
Hover: colornames.Gainsboro,
Pressed: colornames.Gainsboro,
}),
widget.ButtonOpts.Image(&widget.ButtonImage{
Idle: DefaultNineSlice(colornames.Darkslategray),
Hover: DefaultNineSlice(Mix(colornames.Darkslategray, colornames.Mediumseagreen, 0.4)),
Disabled: DefaultNineSlice(Mix(colornames.Darkslategray, colornames.Gainsboro, 0.8)),
Pressed: PressedNineSlice(Mix(colornames.Darkslategray, colornames.Black, 0.4)),
PressedHover: PressedNineSlice(Mix(colornames.Darkslategray, colornames.Black, 0.4)),
}),
widget.ButtonOpts.WidgetOpts(
widget.WidgetOpts.LayoutData(widget.AnchorLayoutData{
VerticalPosition: widget.AnchorLayoutPositionCenter,
HorizontalPosition: widget.AnchorLayoutPositionCenter,
}),
widget.WidgetOpts.MinSize(180, 48),
),
),
)
return &Editor{
ui: &ebitenui.UI{Container: root},
}
}
func (e *Editor) Update() error {
e.ui.Update()
return nil
}
func (e *Editor) Draw(screen *ebiten.Image) {
e.ui.Draw(screen)
}
func (e *Editor) Layout(w, h int) (int, int) {
return w, h
}
func DefaultFont() *text.Face {
s, err := text.NewGoTextFaceSource(bytes.NewReader(goregular.TTF))
if err != nil {
panic(err)
}
var f text.Face
f = &text.GoTextFace{
Source: s,
Size: 20,
}
return &f
}
func main() {
ebiten.SetWindowSize(480, 320)
ebiten.SetWindowResizingMode(ebiten.WindowResizingModeEnabled)
if err := ebiten.RunGame(NewEditor()); err != nil {
ebiten.SetWindowTitle("Sprite Editor")
e := newEditor()
if err := ebiten.RunGame(e); err != nil {
panic(err)
}
}