140 lines
3.4 KiB
Go
140 lines
3.4 KiB
Go
package main
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import (
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"fmt"
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_ "image/png"
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"log"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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"github.com/hajimehoshi/ebiten/v2/inpututil"
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"gitlab.com/kbr4/9heroja/collision"
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"gitlab.com/kbr4/9heroja/configuration"
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"gitlab.com/kbr4/9heroja/input"
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"gitlab.com/kbr4/9heroja/terrain"
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"gitlab.com/kbr4/9heroja/tiles"
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"gitlab.com/kbr4/9heroja/weapons"
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"gitlab.com/kbr4/9heroja/zombie"
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)
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const (
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screenWidth = 720
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screenHeight = 1280
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tileSize = 33
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titleFontSize = fontSize * 1.5
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fontSize = 24
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smallFontSize = fontSize / 2
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pipeWidth = tileSize * 2
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pipeStartOffsetX = 8
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pipeIntervalX = 8
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pipeGapY = 5
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)
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func floorDiv(x, y int) int {
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d := x / y
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if d*y == x || x >= 0 {
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return d
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}
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return d - 1
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}
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func floorMod(x, y int) int {
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return x - floorDiv(x, y)*y
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}
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type Game struct {
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// The gopher's position
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x16 int
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y16 int
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vy16 int
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keys []ebiten.Key
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control *input.Keyboard
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terrain *terrain.Terrain
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zombies []*zombie.Zombie
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world *collision.World
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bullets []*weapons.Handgun
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ending *tiles.Ending
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starting *tiles.Starting
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}
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func (g *Game) Update() error {
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g.keys = inpututil.AppendPressedKeys(g.keys[:0])
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GameInstance.terrain.ChangeDirection(GameInstance.control.DirectionFromKeys(g.keys))
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g.world.NotifyAboutCollisions()
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return nil
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}
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func (g *Game) Draw(screen *ebiten.Image) {
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g.terrain.DrawTerrain(screen)
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for _, z := range g.zombies {
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z.OffsetX = g.terrain.PositionX
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z.OffsetY = g.terrain.PositionY
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z.DrawZombie(screen)
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}
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for _, b := range g.bullets {
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b.OffsetX = g.terrain.PositionX
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b.OffsetY = g.terrain.PositionY
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if b.IsFlying {
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b.DrawHandgunBullet(screen)
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}
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}
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g.ending.DrawEnding(screen)
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g.starting.DrawStarting(screen)
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msg := fmt.Sprintf(`TPS: %0.2f
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FPS: %0.2f`, ebiten.ActualTPS(), ebiten.ActualFPS())
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ebitenutil.DebugPrint(screen, msg)
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}
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func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
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s := ebiten.DeviceScaleFactor()
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return int(float64(outsideWidth) * s), int(float64(outsideHeight) * s)
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}
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var GameInstance *Game
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func init() {
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GameInstance = &Game{}
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GameInstance.world = collision.NewWorld()
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GameInstance.control = &input.Keyboard{}
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GameInstance.zombies = []*zombie.Zombie{zombie.NewZombie(), zombie.NewZombie(), zombie.NewZombie(), zombie.NewZombie(), zombie.NewZombie()}
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GameInstance.ending = tiles.NewEnding()
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GameInstance.starting = tiles.NewStarting()
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GameInstance.world.AddEntity(GameInstance.starting)
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GameInstance.world.AddEntity(GameInstance.ending)
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// put zombies in random places on the screen but not too close to the hero or each other
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for _, z := range GameInstance.zombies {
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z.X = float64(configuration.Random(50, screenWidth-50))
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z.Y = float64(configuration.Random(50, screenHeight-50))
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for z.X > float64(screenWidth/2-64) && z.X < float64(screenWidth/2+64) && z.Y > float64(screenHeight/2-64) && z.Y < float64(screenHeight/2+64) {
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z.X = float64(configuration.Random(0, screenWidth))
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z.Y = float64(configuration.Random(0, screenHeight))
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}
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z.WhereToGoX = GameInstance.ending.X
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z.WhereToGoY = GameInstance.ending.Y
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z.Walk()
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GameInstance.world.AddEntity(z)
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}
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GameInstance.terrain = terrain.NewTerrain()
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}
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func main() {
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ebiten.SetWindowSize(screenWidth, screenHeight)
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ebiten.SetWindowTitle("Bosanski Zombicid")
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if err := ebiten.RunGame(GameInstance); err != nil {
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log.Fatal(err)
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}
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}
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