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package ui
import (
"log"
"github.com/hajimehoshi/ebiten/v2"
"muhq.space/muhqs-game/go/assets"
"muhq.space/muhqs-game/go/game"
"golang.org/x/exp/slices"
)
type HandCard struct {
C *game.Card
}
type HandView struct {
WidgetBase
hand *game.Hand
cardWidth float64
cardHeight float64
scale float64
bottomAligned bool
highlights []*game.Card
}
func NewHandView(x, y, width, height int, h *game.Hand, bottomAligned bool) *HandView {
hv := &HandView{
WidgetBase: NewWidgetBase(x, y, width, height),
hand: h,
cardWidth: 0,
cardHeight: 0,
scale: 0,
bottomAligned: bottomAligned,
highlights: []*game.Card{},
}
hv.renderImpl = func() *ebiten.Image { return hv.render() }
return hv
}
func (hv *HandView) render() *ebiten.Image {
img := ebiten.NewImage(hv.Width, hv.Height)
handCards := hv.hand.GetCards()
nHandCards := len(handCards)
for i, card := range handCards {
cardImg := assets.GetCard(card.Path(), "en")
if cardImg == nil {
log.Fatalf("No image found for %s", card.Path())
}
if hv.scale == 0 {
b := cardImg.Bounds()
x_scale := (float64(hv.Width) / float64(nHandCards)) / float64(b.Dx())
y_scale := float64(hv.Height) / float64(b.Dy())
hv.scale = x_scale
if y_scale < x_scale {
hv.scale = y_scale
}
hv.cardWidth = float64(b.Dx()) * hv.scale
hv.cardHeight = float64(b.Dy()) * hv.scale
}
yOffset := 0.0
if hv.bottomAligned {
yOffset = float64(hv.Height) - hv.cardHeight
}
op := &ebiten.DrawImageOptions{}
op.GeoM.Scale(hv.scale, hv.scale)
op.GeoM.Translate(float64(i)*hv.cardWidth, yOffset)
if slices.Contains(hv.highlights, card) {
op.ColorM.Scale(1, 0, 0, 0.5)
}
img.DrawImage(cardImg, op)
}
return img
}
func (hv *HandView) FindObjectAt(x, y int) interface{} {
if !hv.Contains(x, y) {
return nil
}
if hv.bottomAligned && float64(y-hv.Y) < float64(hv.Height)-hv.cardHeight {
return nil
}
i := int(float64(x) / hv.cardWidth)
if i >= hv.hand.Size() {
return nil
}
return HandCard{hv.hand.GetCards()[i]}
}
func (hv *HandView) setHighlights(cards []*game.Card) {
hv.highlights = cards
hv.ForceRedraw()
}
func (hv *HandView) HighlightCard(card *game.Card) {
hv.setHighlights([]*game.Card{card})
}
func (hv *HandView) ClearHighlights() {
hv.setHighlights([]*game.Card{})
}
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