127 lines
2.7 KiB
Go
127 lines
2.7 KiB
Go
package system
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import (
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"os"
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"code.rocketnine.space/tslocum/brownboxbatman/asset"
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"code.rocketnine.space/tslocum/brownboxbatman/component"
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"code.rocketnine.space/tslocum/brownboxbatman/world"
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"code.rocketnine.space/tslocum/gohan"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/inpututil"
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)
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const (
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moveSpeed = 1.5
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)
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type playerMoveSystem struct {
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Position *component.Position
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Velocity *component.Velocity
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Weapon *component.Weapon
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Sprite *component.Sprite
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player gohan.Entity
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movement *MovementSystem
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lastWalkDirL bool
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rewindTicks int
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nextRewindTick int
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}
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func NewPlayerMoveSystem(player gohan.Entity, m *MovementSystem) *playerMoveSystem {
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return &playerMoveSystem{
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player: player,
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movement: m,
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}
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}
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func (s *playerMoveSystem) Update(e gohan.Entity) error {
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if ebiten.IsKeyPressed(ebiten.KeyEscape) && !world.World.DisableEsc {
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os.Exit(0)
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return nil
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}
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if ebiten.IsKeyPressed(ebiten.KeyControl) && inpututil.IsKeyJustPressed(ebiten.KeyV) {
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v := 1
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if ebiten.IsKeyPressed(ebiten.KeyShift) {
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v = 2
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}
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if world.World.Debug == v {
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world.World.Debug = 0
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} else {
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world.World.Debug = v
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}
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return nil
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}
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if ebiten.IsKeyPressed(ebiten.KeyControl) && inpututil.IsKeyJustPressed(ebiten.KeyN) {
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world.World.NoClip = !world.World.NoClip
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return nil
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}
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if !world.World.GameStarted {
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if ebiten.IsKeyPressed(ebiten.KeyEnter) || ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
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world.StartGame()
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}
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return nil
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}
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if inpututil.IsKeyJustPressed(ebiten.KeyM) {
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if asset.SoundLevelMusic.IsPlaying() {
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asset.SoundLevelMusic.Pause()
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} else {
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asset.SoundLevelMusic.Play()
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}
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}
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if world.World.GameOver {
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if inpututil.IsKeyJustPressed(ebiten.KeyEnter) {
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world.World.ResetGame = true
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}
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return nil
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}
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pressLeft := ebiten.IsKeyPressed(ebiten.KeyLeft) || ebiten.IsKeyPressed(ebiten.KeyA)
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pressRight := ebiten.IsKeyPressed(ebiten.KeyRight) || ebiten.IsKeyPressed(ebiten.KeyD)
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pressUp := ebiten.IsKeyPressed(ebiten.KeyUp) || ebiten.IsKeyPressed(ebiten.KeyW)
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pressDown := ebiten.IsKeyPressed(ebiten.KeyDown) || ebiten.IsKeyPressed(ebiten.KeyS)
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if (pressLeft && !pressRight) ||
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(pressRight && !pressLeft) {
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if pressLeft {
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s.Velocity.X = -moveSpeed
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} else {
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s.Velocity.X = moveSpeed
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}
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} else {
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s.Velocity.X = 0
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}
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if (pressUp && !pressDown) ||
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(pressDown && !pressUp) {
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if pressUp {
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s.Velocity.Y = -moveSpeed
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} else {
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s.Velocity.Y = moveSpeed
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}
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} else {
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s.Velocity.Y = 0
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}
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return nil
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}
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func (s *playerMoveSystem) Draw(_ gohan.Entity, _ *ebiten.Image) error {
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return gohan.ErrUnregister
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}
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func deltaXY(x1, y1, x2, y2 float64) (dx float64, dy float64) {
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dx, dy = x1-x2, y1-y2
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if dx < 0 {
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dx *= -1
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}
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if dy < 0 {
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dy *= -1
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}
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return dx, dy
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}
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