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71 lines
1.3 KiB
Go

package app
import (
"fmt"
"github.com/gdamore/tcell/v2"
"github.com/jordanorelli/astro-domu/internal/math"
)
type inventory struct {
items []item
}
type item struct {
name string
}
type inventoryView struct {
highlight int
*inventory
}
func (v *inventoryView) handleEvent(e tcell.Event) change {
switch t := e.(type) {
case *tcell.EventKey:
key := t.Key()
switch key {
case tcell.KeyEnter:
case tcell.KeyDown:
if len(v.items) > 0 {
v.highlight = (v.highlight + 1) % len(v.items)
}
case tcell.KeyUp:
if len(v.items) > 0 {
v.highlight = (v.highlight - 1 + len(v.items)) % len(v.items)
}
case tcell.KeyESC:
return changeFn(func(ui *UI) {
if ui.root == inGameView {
inGameView.focus(0)
}
})
}
}
return nil
}
func (v *inventoryView) draw(img canvas, st *state) {
v.inventory = &st.inventory
writeString(img, "Inventory", math.Vec{0, 0}, tcell.StyleDefault)
for i, item := range st.inventory.items {
line := fmt.Sprintf("- %s", item.name)
if i == v.highlight {
line = fmt.Sprintf("+ %s", item.name)
}
writeString(img, line, math.Vec{0, i + 2}, tcell.StyleDefault)
}
}
type openInventory struct{}
func (openInventory) exec(ui *UI) {
if ui.root == inGameView {
ui.state.detail = &inventoryView{}
inGameView.focus(1)
}
}