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|
package ui
import (
"image/color"
"muhq.space/muhqs-game/go/game"
)
const (
HOVER_CARD_WIDTH = 500
HOVER_CARD_HEIGHT = 700
)
type hoverWidget struct {
c *Collection
createHint func(x, y int) Widget
reset func()
xMax, yMax int
}
func (h *hoverWidget) Hover(started bool, x, y int) {
if started {
h.onHover(x, y)
} else {
h.stopHover(x, y)
}
}
func (h *hoverWidget) showHint(x, y int) {
hint := h.createHint(x, y)
if hint == nil {
return
}
h.c.AddWidget(hint)
oldReset := h.reset
h.reset = func() {
if oldReset != nil {
oldReset()
}
h.c.RemoveWidget(hint)
}
}
func (h *hoverWidget) onHover(x, y int) {
if h.xMax == 0 || h.yMax == 0 {
width, height := h.c.Layout()
h.xMax = width
h.yMax = height
}
h.showHint(x, y)
}
func (h *hoverWidget) stopHover(x, y int) {
if h.reset != nil {
h.reset()
h.reset = nil
}
}
type hoverCardView struct {
hoverWidget
}
func (h *hoverCardView) init(w Widget, c *Collection) {
h.c = c
h.createHint = func(x, y int) Widget {
obj := w.FindObjectAt(x, y)
if obj == nil {
return nil
}
card := obj.(*game.Card)
wx, wy := x, y
if x+HOVER_CARD_WIDTH > h.xMax || y+HOVER_CARD_HEIGHT > h.yMax {
wx = x - HOVER_CARD_WIDTH
wy = y - HOVER_CARD_HEIGHT
}
if wx < 0 {
wx = 0
}
if wy < 0 {
wy = 0
}
return NewScaledCardView(wx, wy, HOVER_CARD_WIDTH, HOVER_CARD_HEIGHT, card.Path())
}
}
type hoverPermInfo struct {
hoverWidget
}
func (h *hoverPermInfo) init(mv *MapView, c *Collection) {
h.c = c
h.createHint = func(x, y int) Widget {
obj := mv.FindObjectAt(x, y)
if obj == nil {
return nil
}
perm, ok := obj.(game.Permanent)
if !ok {
return nil
}
if unit, ok := obj.(*game.Unit); ok {
movable := unit.MoveRangeTiles()
for _, t := range movable {
mv.AddHighlightTile(t, HighlightMovementColor)
}
h.reset = func() {
for _, t := range movable {
mv.ClearTileHighlight(t)
}
}
}
hint := NewPermInfo(x+TILE_WIDTH, y, perm)
hint.Bg(color.RGBA{0, 0, 0, 0xc0})
wx, wy := x, y
if hint.X+hint.Width > h.xMax || y+hint.Height > h.yMax {
wx = x - hint.Width
wy = y - hint.Height
}
if wx < 0 {
wx = 0
}
if wy < 0 {
wy = 0
}
hint.X, hint.Y = wx, wy
return hint
}
}
|
