integrate snake game into lazygit

pkg/gui/controllers/snake_controller.go

@@ -0,0 +1,68 @@
+package controllers
+
+import (
+	"github.com/jesseduffield/lazygit/pkg/gui/types"
+	"github.com/jesseduffield/lazygit/pkg/snake"
+)
+
+type SnakeController struct {
+	baseController
+	*controllerCommon
+
+	getGame func() *snake.Game
+}
+
+var _ types.IController = &SnakeController{}
+
+func NewSnakeController(
+	common *controllerCommon,
+	getGame func() *snake.Game,
+) *SnakeController {
+	return &SnakeController{
+		baseController:   baseController{},
+		controllerCommon: common,
+		getGame:          getGame,
+	}
+}
+
+func (self *SnakeController) GetKeybindings(opts types.KeybindingsOpts) []*types.Binding {
+	bindings := []*types.Binding{
+		{
+			Key:     opts.GetKey(opts.Config.Universal.NextItem),
+			Handler: self.SetDirection(snake.Down),
+		},
+		{
+			Key:     opts.GetKey(opts.Config.Universal.PrevItem),
+			Handler: self.SetDirection(snake.Up),
+		},
+		{
+			Key:     opts.GetKey(opts.Config.Universal.PrevBlock),
+			Handler: self.SetDirection(snake.Left),
+		},
+		{
+			Key:     opts.GetKey(opts.Config.Universal.NextBlock),
+			Handler: self.SetDirection(snake.Right),
+		},
+		{
+			Key:     opts.GetKey(opts.Config.Universal.Return),
+			Handler: self.Escape,
+		},
+	}
+
+	return bindings
+}
+
+func (self *SnakeController) Context() types.Context {
+	return self.contexts.Snake
+}
+
+func (self *SnakeController) SetDirection(direction snake.Direction) func() error {
+	return func() error {
+		self.getGame().SetDirection(direction)
+		return nil
+	}
+}
+
+func (self *SnakeController) Escape() error {
+	return self.c.PushContext(self.contexts.Submodules)
+}