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carotidartillery
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Add start screen

master
Trevor Slocum 12 months ago
parent
e40f594668
commit
f176dc6cc0
5 changed files with 258 additions and 135 deletions
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  1. 1
      .gitignore
  2. 356
      game.go
  3. 2
      go.mod
  4. 4
      go.sum
  5. 30
      goreleaser.yml

1
.gitignore vendored
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@ -1,3 +1,4 @@
.idea
carotidartillery
dist
*.wasm

356
game.go
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@ -28,6 +28,26 @@ var flashImage *ebiten.Image
var numberPrinter = message.NewPrinter(language.English)
var startButtons = []ebiten.StandardGamepadButton{
ebiten.StandardGamepadButtonRightBottom,
ebiten.StandardGamepadButtonRightRight,
ebiten.StandardGamepadButtonRightLeft,
ebiten.StandardGamepadButtonRightTop,
ebiten.StandardGamepadButtonFrontTopLeft,
ebiten.StandardGamepadButtonFrontTopRight,
ebiten.StandardGamepadButtonFrontBottomLeft,
ebiten.StandardGamepadButtonFrontBottomRight,
ebiten.StandardGamepadButtonCenterLeft,
ebiten.StandardGamepadButtonCenterRight,
ebiten.StandardGamepadButtonLeftStick,
ebiten.StandardGamepadButtonRightStick,
ebiten.StandardGamepadButtonLeftBottom,
ebiten.StandardGamepadButtonLeftRight,
ebiten.StandardGamepadButtonLeftLeft,
ebiten.StandardGamepadButtonLeftTop,
ebiten.StandardGamepadButtonCenterCenter,
}
type projectile struct {
x, y float64
angle float64
@ -42,6 +62,8 @@ type game struct {
player *gamePlayer
gameStartTime time.Time
gameOverTime time.Time
camScale float64
@ -68,7 +90,9 @@ type game struct {
gamepadIDs []ebiten.GamepadID
gamepadIDsBuf []ebiten.GamepadID
gamepadMode bool
activeGamepad ebiten.GamepadID
initialButtonReleased bool
godMode bool
debugMode bool
@ -98,8 +122,9 @@ func NewGame() (*game, error) {
player: p,
op: &ebiten.DrawImageOptions{},
soundBuffer: make(map[int][]*audio.Player),
nextSound: make(map[int]int),
soundBuffer: make(map[int][]*audio.Player),
nextSound: make(map[int]int),
activeGamepad: -1,
}
g.audioContext = audio.NewContext(sampleRate)
@ -215,47 +240,32 @@ func NewGame() (*game, error) {
return g, nil
}
func (g *game) playSound(sound int, volume float64) error {
player := g.soundBuffer[sound][g.nextSound[sound]]
g.nextSound[sound]++
if g.nextSound[sound] > 3 {
g.nextSound[sound] = 0
}
player.Pause()
player.Rewind()
player.SetVolume(volume)
player.Play()
return nil
}
func (g *game) hurtCreep(c *gameCreep, damage int) error {
if damage == -1 {
c.health = 0
return nil
}
c.health -= damage
if c.health > 0 {
return nil
}
// Killed creep.
g.player.score += c.killScore
// Layout is called when the game's layout changes.
func (g *game) Layout(outsideWidth, outsideHeight int) (int, int) {
s := ebiten.DeviceScaleFactor()
w, h := int(s*float64(outsideWidth)), int(s*float64(outsideHeight))
if w != g.w || h != g.h {
g.w, g.h = w, h
// Play vampire die sound.
dieSound := SoundVampireDie1
if rand.Intn(2) == 1 {
dieSound = SoundVampireDie2
debugBox := image.NewRGBA(image.Rect(0, 0, g.w, 200))
g.overlayImg = ebiten.NewImageFromImage(debugBox)
}
err := g.playSound(dieSound, 0.25)
if err != nil {
return err
if g.player.weapon.spriteFlipped == nil {
op := &ebiten.DrawImageOptions{}
op.GeoM.Scale(-1, 1)
op.GeoM.Translate(32, 0)
spriteFlipped := ebiten.NewImageFromImage(g.player.weapon.sprite)
spriteFlipped.Clear()
spriteFlipped.DrawImage(g.player.weapon.sprite, op)
g.player.weapon.spriteFlipped = spriteFlipped
}
return nil
return g.w, g.h
}
// Update reads current user input and updates the game state.
func (g *game) Update() error {
gamepadDeadZone := 0.1
if ebiten.IsKeyPressed(ebiten.KeyEscape) || ebiten.IsWindowBeingClosed() {
g.exit()
return nil
@ -268,14 +278,34 @@ func (g *game) Update() error {
g.gamepadIDsBuf = inpututil.AppendJustConnectedGamepadIDs(g.gamepadIDsBuf[:0])
for _, id := range g.gamepadIDsBuf {
log.Printf("gamepad connected: id: %d, SDL ID: %s", id, ebiten.GamepadSDLID(id))
log.Printf("gamepad connected: %d", id)
g.gamepadIDs = append(g.gamepadIDs, id)
}
for i, id := range g.gamepadIDs {
if inpututil.IsGamepadJustDisconnected(id) {
log.Printf("gamepad disconnected: id: %d, SDL ID: %s", id, ebiten.GamepadSDLID(id))
log.Printf("gamepad disconnected: %d", id)
g.gamepadIDs = append(g.gamepadIDs[:i], g.gamepadIDs[i+1:]...)
}
if g.activeGamepad == -1 {
for _, button := range startButtons {
if ebiten.IsStandardGamepadButtonPressed(id, button) {
log.Printf("gamepad activated: %d", id)
g.activeGamepad = id
ebiten.SetCursorMode(ebiten.CursorModeHidden)
break
}
}
}
}
if g.gameStartTime.IsZero() {
var pressedKeys []ebiten.Key
pressedKeys = inpututil.AppendPressedKeys(pressedKeys)
if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) || g.activeGamepad != -1 || len(pressedKeys) > 0 {
g.gameStartTime = time.Now()
}
return nil
}
biteThreshold := 0.75
@ -351,28 +381,17 @@ func (g *game) Update() error {
g.camScale -= (g.camScale - g.camScaleTo) / div
}
deadZone := 0.1
pan := 0.05
// Pan camera via gamepad.
if g.gamepadMode || len(g.gamepadIDs) > 0 {
h := ebiten.StandardGamepadAxisValue(g.gamepadIDs[0], ebiten.StandardGamepadAxisLeftStickHorizontal)
v := ebiten.StandardGamepadAxisValue(g.gamepadIDs[0], ebiten.StandardGamepadAxisLeftStickVertical)
if v < -deadZone || v > deadZone || h < -deadZone || h > deadZone {
// Pan camera.
if g.activeGamepad != -1 {
h := ebiten.StandardGamepadAxisValue(g.activeGamepad, ebiten.StandardGamepadAxisLeftStickHorizontal)
v := ebiten.StandardGamepadAxisValue(g.activeGamepad, ebiten.StandardGamepadAxisLeftStickVertical)
if v < -gamepadDeadZone || v > gamepadDeadZone || h < -gamepadDeadZone || h > gamepadDeadZone {
g.player.x += h * pan
g.player.y += v * pan
if !g.gamepadMode {
g.gamepadMode = true
ebiten.SetCursorMode(ebiten.CursorModeHidden)
}
}
}
// Pan camera via keyboard.
if !g.gamepadMode {
} else {
// TODO debug only
if ebiten.IsKeyPressed(ebiten.KeyShift) {
pan *= 5
@ -397,27 +416,27 @@ func (g *game) Update() error {
fire := ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft)
// Update player angle via gamepad.
if g.gamepadMode || len(g.gamepadIDs) > 0 {
h := ebiten.StandardGamepadAxisValue(g.gamepadIDs[0], ebiten.StandardGamepadAxisRightStickHorizontal)
v := ebiten.StandardGamepadAxisValue(g.gamepadIDs[0], ebiten.StandardGamepadAxisRightStickVertical)
if v < -deadZone || v > deadZone || h < -deadZone || h > deadZone {
// Update player angle.
if g.activeGamepad != -1 {
h := ebiten.StandardGamepadAxisValue(g.activeGamepad, ebiten.StandardGamepadAxisRightStickHorizontal)
v := ebiten.StandardGamepadAxisValue(g.activeGamepad, ebiten.StandardGamepadAxisRightStickVertical)
if v < -gamepadDeadZone || v > gamepadDeadZone || h < -gamepadDeadZone || h > gamepadDeadZone {
g.player.angle = angle(h, v, 0, 0)
fire = true
if !g.gamepadMode {
g.gamepadMode = true
ebiten.SetCursorMode(ebiten.CursorModeHidden)
}
}
}
// Update player angle via mouse.
if !g.gamepadMode {
} else {
cx, cy := ebiten.CursorPosition()
g.player.angle = angle(float64(cx), float64(cy), float64(g.w/2), float64(g.h/2))
}
if !g.initialButtonReleased {
if fire {
fire = false
} else {
g.initialButtonReleased = true
}
}
// Update boolets.
bulletHitThreshold := 0.5
removed := 0
@ -503,53 +522,56 @@ func (g *game) Update() error {
return nil
}
func (g *game) levelCoordinatesToScreen(x, y float64) (float64, float64) {
px, py := g.tilePosition(g.player.x, g.player.y)
py *= -1
return ((x - px) * g.camScale) + float64(g.w/2.0), ((y + py) * g.camScale) + float64(g.h/2.0)
}
// Draw draws the game on the screen.
func (g *game) Draw(screen *ebiten.Image) {
if g.gameStartTime.IsZero() {
screen.Fill(color.RGBA{102, 0, 0, 255})
func (g *game) screenCoordinatesToLevel(x, y float64) (float64, float64) {
// TODO reverse
px, py := g.tilePosition(g.player.x, g.player.y)
py *= -1
return ((x - px) * g.camScale) + float64(g.w/2.0), ((y + py) * g.camScale) + float64(g.h/2.0)
}
g.overlayImg.Clear()
ebitenutil.DebugPrint(g.overlayImg, "CAROTID")
g.op.GeoM.Reset()
g.op.GeoM.Translate(3, 0)
g.op.GeoM.Scale(16, 16)
g.op.GeoM.Translate(float64(g.w/2)-(7*54), float64(g.h/2)-250)
screen.DrawImage(g.overlayImg, g.op)
func (g *game) addBloodSplatter(x, y float64) {
splatterSprite := ebiten.NewImage(32, 32)
g.overlayImg.Clear()
ebitenutil.DebugPrint(g.overlayImg, "ARTILLERY")
g.op.GeoM.Reset()
g.op.GeoM.Translate(3, 0)
g.op.GeoM.Scale(16, 16)
g.op.GeoM.Translate(float64(g.w/2)-(9*54), float64(g.h/2))
screen.DrawImage(g.overlayImg, g.op)
for y := 8; y < 20; y++ {
if rand.Intn(2) != 0 {
continue
}
for x := 12; x < 20; x++ {
if rand.Intn(5) != 0 {
continue
}
splatterSprite.Set(x, y, colornames.Red)
}
}
for y := 2; y < 26; y++ {
if rand.Intn(5) != 0 {
continue
}
for x := 2; x < 26; x++ {
if rand.Intn(12) != 0 {
continue
}
splatterSprite.Set(x, y, colornames.Red)
g.overlayImg.Clear()
ebitenutil.DebugPrint(g.overlayImg, "KEYBOARD WASD")
g.op.GeoM.Reset()
g.op.GeoM.Translate(3, 0)
g.op.GeoM.Scale(4, 4)
g.op.GeoM.Translate(float64(g.w/2)-(13*12), float64(g.h-210))
screen.DrawImage(g.overlayImg, g.op)
g.overlayImg.Clear()
ebitenutil.DebugPrint(g.overlayImg, "GAMEPAD RECOMMENDED")
g.op.GeoM.Reset()
g.op.GeoM.Translate(3, 0)
g.op.GeoM.Scale(4, 4)
g.op.GeoM.Translate(float64(g.w/2)-(19*12), float64(g.h-145))
screen.DrawImage(g.overlayImg, g.op)
if time.Now().UnixMilli()%2000 < 1500 {
g.overlayImg.Clear()
ebitenutil.DebugPrint(g.overlayImg, "PRESS ANY KEY OR BUTTON TO START")
g.op.GeoM.Reset()
g.op.GeoM.Translate(3, 0)
g.op.GeoM.Scale(4, 4)
g.op.GeoM.Translate(float64(g.w/2)-(32*12), float64(g.h-80))
screen.DrawImage(g.overlayImg, g.op)
}
}
t := g.currentLevel.Tile(int(x), int(y))
if t != nil {
t.AddSprite(splatterSprite)
return
}
}
// Draw draws the game on the screen.
func (g *game) Draw(screen *ebiten.Image) {
gameOver := g.player.health <= 0 && !g.godMode
var drawn int
@ -587,6 +609,17 @@ func (g *game) Draw(screen *ebiten.Image) {
g.op.GeoM.Translate(float64(g.w/2)-float64(24*len(scoreLabel)), float64(g.h-150))
screen.DrawImage(g.overlayImg, g.op)
if g.godMode {
// Print game info.
g.overlayImg.Clear()
ebitenutil.DebugPrint(g.overlayImg, "GOD")
g.op.GeoM.Reset()
g.op.GeoM.Translate(3, 0)
g.op.GeoM.Scale(2, 2)
g.op.GeoM.Translate(float64(g.w/2)-16, float64(g.h-40))
screen.DrawImage(g.overlayImg, g.op)
}
if !g.debugMode {
return
}
@ -600,28 +633,6 @@ func (g *game) Draw(screen *ebiten.Image) {
screen.DrawImage(g.overlayImg, g.op)
}
// Layout is called when the game's layout changes.
func (g *game) Layout(outsideWidth, outsideHeight int) (int, int) {
s := ebiten.DeviceScaleFactor()
w, h := int(s*float64(outsideWidth)), int(s*float64(outsideHeight))
if w != g.w || h != g.h {
g.w, g.h = w, h
debugBox := image.NewRGBA(image.Rect(0, 0, g.w, 200))
g.overlayImg = ebiten.NewImageFromImage(debugBox)
}
if g.player.weapon.spriteFlipped == nil {
op := &ebiten.DrawImageOptions{}
op.GeoM.Scale(-1, 1)
op.GeoM.Translate(32, 0)
spriteFlipped := ebiten.NewImageFromImage(g.player.weapon.sprite)
spriteFlipped.Clear()
spriteFlipped.DrawImage(g.player.weapon.sprite, op)
g.player.weapon.spriteFlipped = spriteFlipped
}
return g.w, g.h
}
// tilePosition transforms X,Y coordinates into tile positions.
func (g *game) tilePosition(x, y float64) (float64, float64) {
tileSize := float64(g.currentLevel.tileSize)
@ -709,6 +720,87 @@ func (g *game) renderLevel(screen *ebiten.Image) int {
return drawn
}
func (g *game) playSound(sound int, volume float64) error {
player := g.soundBuffer[sound][g.nextSound[sound]]
g.nextSound[sound]++
if g.nextSound[sound] > 3 {
g.nextSound[sound] = 0
}
player.Pause()
player.Rewind()
player.SetVolume(volume)
player.Play()
return nil
}
func (g *game) hurtCreep(c *gameCreep, damage int) error {
if damage == -1 {
c.health = 0
return nil
}
c.health -= damage
if c.health > 0 {
return nil
}
// Killed creep.
g.player.score += c.killScore
// Play vampire die sound.
dieSound := SoundVampireDie1
if rand.Intn(2) == 1 {
dieSound = SoundVampireDie2
}
// TODO set volume to distance
err := g.playSound(dieSound, 0.15)
if err != nil {
return err
}
g.addBloodSplatter(c.x, c.y)
return nil
}
func (g *game) levelCoordinatesToScreen(x, y float64) (float64, float64) {
px, py := g.tilePosition(g.player.x, g.player.y)
py *= -1
return ((x - px) * g.camScale) + float64(g.w/2.0), ((y + py) * g.camScale) + float64(g.h/2.0)
}
func (g *game) addBloodSplatter(x, y float64) {
splatterSprite := ebiten.NewImage(32, 32)
for y := 8; y < 20; y++ {
if rand.Intn(2) != 0 {
continue
}
for x := 12; x < 20; x++ {
if rand.Intn(5) != 0 {
continue
}
splatterSprite.Set(x, y, colornames.Red)
}
}
for y := 2; y < 26; y++ {
if rand.Intn(5) != 0 {
continue
}
for x := 2; x < 26; x++ {
if rand.Intn(12) != 0 {
continue
}
splatterSprite.Set(x, y, colornames.Red)
}
}
t := g.currentLevel.Tile(int(x), int(y))
if t != nil {
t.AddSprite(splatterSprite)
}
}
func (g *game) exit() {
os.Exit(0)
}

2
go.mod
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@ -13,7 +13,7 @@ require (
github.com/hajimehoshi/go-mp3 v0.3.2 // indirect
github.com/hajimehoshi/oto/v2 v2.1.0-alpha.2 // indirect
github.com/jezek/xgb v0.0.0-20210312150743-0e0f116e1240 // indirect
golang.org/x/exp v0.0.0-20210916165020-5cb4fee858ee // indirect
golang.org/x/exp v0.0.0-20211008200323-95152d363a1c // indirect
golang.org/x/mobile v0.0.0-20210924032853-1c027f395ef7 // indirect
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac // indirect

4
go.sum
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@ -288,8 +288,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
golang.org/x/exp v0.0.0-20210916165020-5cb4fee858ee h1:qlrAyYdKz4o7rWVUjiKqQJMa4PEpd55fqBU8jpsl4Iw=
golang.org/x/exp v0.0.0-20210916165020-5cb4fee858ee/go.mod h1:a3o/VtDNHN+dCVLEpzjjUHOzR+Ln3DHX056ZPzoZGGA=
golang.org/x/exp v0.0.0-20211008200323-95152d363a1c h1:SDv+vPR9zP9mz1NZ7rUDXvVbpr6dqRlFj+NRNv72etI=
golang.org/x/exp v0.0.0-20211008200323-95152d363a1c/go.mod h1:a3o/VtDNHN+dCVLEpzjjUHOzR+Ln3DHX056ZPzoZGGA=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190703141733-d6a02ce849c9/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=

30
goreleaser.yml
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@ -0,0 +1,30 @@
project_name: carotidartillery
builds:
-
id: carotidartillery
# ldflags:
# - -s -w -X code.rocketnine.space/tslocum/carotidartillery/main.Version={{.Version}}
goos:
- linux
- windows
# - darwin
# - freebsd
goarch:
- amd64
archives:
-
id: carotidartillery
builds:
- carotidartillery
replacements:
386: i386
format_overrides:
- goos: windows
format: zip
files:
- ./*.md
# - CHANGELOG
- LICENSE
checksum:
name_template: 'checksums.txt'
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