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tetris-go/game/state/handlers/menu.go

79 lines
1.6 KiB
Go

package handlers
import (
"tetris/assets"
"tetris/engine/audio"
"tetris/engine/render"
"tetris/game"
"tetris/game/state"
"tetris/game/ui"
"tetris/game/ui/layouts"
"tetris/game/ui/widgets"
"tetris/game/uievents"
rl "github.com/gen2brain/raylib-go/raylib"
)
type MainMenu struct {
list *layouts.ListBox
}
func enterState(fsm state.Transitioner, state string) func() {
return func() {
audio.Play(assets.SFX_MENU_ENTER)
fsm.Switch(state)
}
}
func NewMainMenu(fsm state.Transitioner) *MainMenu {
return &MainMenu{
list: layouts.NewListBox([]ui.InputWidget{
widgets.NewButton("Start", 32, enterState(fsm, "gameplay")),
widgets.NewButton("Options", 32, enterState(fsm, "options")),
widgets.NewButton("Quit", 32, enterState(fsm, "quit")),
}).Spacing(10).
OnSelect(uievents.MenuSelect),
}
}
func (main *MainMenu) Enter() {
main.list.SetSelected(0)
}
func (MainMenu) Exit() {
}
func (menu *MainMenu) Update(fsm state.Transitioner, delta float32) {
menu.list.HandleInput()
}
func (MainMenu) renderLogo(offset_x, offset_y int32) {
for y := range assets.LOGO_HEIGHT {
for x := range assets.LOGO_STRIDE {
index := assets.Logo[x+(y*assets.LOGO_STRIDE)]
block := game.Block(index)
if block == game.BLOCK_EMPTY {
continue
}
src := block.Tile().GetTexRect()
render.DrawTextureRec(src, rl.Rectangle{
X: float32(offset_x) + (float32(x) * src.Width * 2),
Y: float32(offset_y) + (float32(y) * src.Height * 2),
Width: src.Width * 2,
Height: src.Height * 2,
})
}
}
}
func (menu MainMenu) Render() {
render.Begin(rl.Black)
menu.renderLogo(20, 150)
menu.list.Draw(340, 400)
render.End()
}