65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package konstructor
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import (
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"image/color"
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"github.com/hajimehoshi/ebiten"
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"github.com/hajimehoshi/ebiten/text"
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)
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type MenuMap map[string]Menu
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type MenuLayout struct {
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Background string
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MenuItemFont FontLayout
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}
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type MenuItem struct {
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ID string
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Label string
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Handler func()
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}
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type Menu struct {
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CurrentSelected int
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Layout MenuLayout
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MenuItems []MenuItem
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}
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func (menu *Menu) GetMenuItemColor(i int) color.Color {
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if menu.CurrentSelected == i {
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return menu.Layout.MenuItemFont.SelectedColor
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} else {
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return menu.Layout.MenuItemFont.Color
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}
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}
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func (e *Engine) MenuDraw(screen *ebiten.Image) {
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menu := e.MenuMap[e.KContext.Screen.Value]
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face := GetFontFace(menu.Layout.MenuItemFont)
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for i, menu_item := range menu.MenuItems {
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color := menu.GetMenuItemColor(i)
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offset := int(menu.Layout.MenuItemFont.Size) * (i + 1)
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text.Draw(screen, menu_item.Label+"\n", face, 8, offset, color)
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}
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}
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func (e *Engine) MenuUpdate() {
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menu := e.MenuMap[e.KContext.Screen.Value]
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if e.Controller.UpPressed() && menu.CurrentSelected != 0 {
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menu.CurrentSelected--
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}
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if e.Controller.DownPressed() && menu.CurrentSelected != len(menu.MenuItems)-1 {
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menu.CurrentSelected++
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}
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if e.Controller.Action0Pressed() {
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menu.MenuItems[menu.CurrentSelected].Handler()
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}
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e.MenuMap[e.KContext.Screen.Value] = menu
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}
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