99 lines
1.9 KiB
Go
99 lines
1.9 KiB
Go
package handlers
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import (
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"tetris/assets"
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"tetris/engine/audio"
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"tetris/engine/render"
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"tetris/game"
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"tetris/game/state"
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rl "github.com/gen2brain/raylib-go/raylib"
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)
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type entry struct {
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label string
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state string
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}
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type Menu struct {
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selected int
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entries []entry
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}
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func NewMenu() *Menu {
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return &Menu{
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selected: 0,
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entries: []entry{
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{"Start", "gameplay"},
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{"Quit", "quit"},
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},
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}
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}
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func (menu *Menu) Enter() {
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menu.selected = 0
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}
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func (Menu) Exit() {
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}
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func (menu *Menu) Update(fsm state.Transitioner, delta float32) {
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if rl.IsKeyPressed(rl.KeyEnter) {
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fsm.Switch(menu.entries[menu.selected].state)
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audio.Play(assets.SFX_MENU_ENTER)
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} else if rl.IsKeyPressed(rl.KeyDown) {
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if menu.selected+1 < len(menu.entries) {
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menu.selected = menu.selected + 1
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audio.Play(assets.SFX_MENU_SELECT)
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}
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} else if rl.IsKeyPressed(rl.KeyUp) {
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if menu.selected-1 >= 0 {
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menu.selected = menu.selected - 1
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audio.Play(assets.SFX_MENU_SELECT)
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}
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}
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}
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func (Menu) renderLogo(offset_x, offset_y int32) {
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for y := range assets.LOGO_HEIGHT {
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for x := range assets.LOGO_STRIDE {
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index := assets.Logo[x+(y*assets.LOGO_STRIDE)]
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block := game.Block(index)
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if block == game.BLOCK_EMPTY {
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continue
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}
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src := block.Tile().GetTexRect()
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render.DrawTextureRec(src, rl.Rectangle{
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X: float32(offset_x) + (float32(x) * src.Width * 2),
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Y: float32(offset_y) + (float32(y) * src.Height * 2),
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Width: src.Width * 2,
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Height: src.Height * 2,
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})
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}
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}
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}
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func (menu Menu) renderEntries(offset_x, offset_y int32) {
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y := offset_y
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for i, entry := range menu.entries {
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col := rl.White
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if i == menu.selected {
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col = rl.Red
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}
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render.DrawTextCenter(offset_x, y, 32, entry.label, col)
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y += 40
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}
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}
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func (menu Menu) Render() {
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render.Begin(rl.Black)
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menu.renderLogo(20, 150)
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menu.renderEntries(340, 400)
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render.End()
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}
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