100 lines
2.2 KiB
Go
100 lines
2.2 KiB
Go
package systems
|
|
|
|
import (
|
|
"log/slog"
|
|
"openquell/components"
|
|
. "openquell/components"
|
|
. "openquell/config"
|
|
"openquell/observers"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2"
|
|
"github.com/mlange-42/arche/ecs"
|
|
"github.com/mlange-42/arche/generic"
|
|
)
|
|
|
|
type CollectibleSystem struct {
|
|
World *ecs.World
|
|
Cellsize int
|
|
Selector *generic.Filter3[Position, Collectible, Renderable]
|
|
}
|
|
|
|
func NewCollectibleSystem(world *ecs.World, cellsize int) System {
|
|
system := &CollectibleSystem{
|
|
Selector: generic.NewFilter3[Position, Collectible, Renderable](),
|
|
World: world,
|
|
Cellsize: cellsize,
|
|
}
|
|
|
|
return system
|
|
}
|
|
|
|
func (system *CollectibleSystem) Update() error {
|
|
observer := observers.GetGameObserver(system.World)
|
|
|
|
posID := ecs.ComponentID[components.Position](system.World)
|
|
veloID := ecs.ComponentID[components.Velocity](system.World)
|
|
|
|
query := system.Selector.Query(system.World)
|
|
numcollectibles := query.Count()
|
|
|
|
if numcollectibles == 0 || observer.Lost {
|
|
query.Close()
|
|
return nil
|
|
}
|
|
|
|
for query.Next() {
|
|
colposition, _, render := query.Get()
|
|
|
|
for _, player := range observer.GetPlayers() {
|
|
if !system.World.Alive(player) {
|
|
continue
|
|
}
|
|
|
|
playerposition := (*Position)(system.World.Get(player, posID))
|
|
playervelocity := (*Velocity)(system.World.Get(player, veloID))
|
|
|
|
ok, _ := colposition.Intersects(playerposition, playervelocity)
|
|
if ok && !render.Hidden {
|
|
slog.Debug("bumped into collectible", "colpos", colposition)
|
|
|
|
render.StartAnimation()
|
|
|
|
// position the animation relative to the middle of the current entity
|
|
colposition.Update(
|
|
colposition.X-(system.Cellsize/2),
|
|
colposition.Y-(system.Cellsize/2),
|
|
64,
|
|
)
|
|
numcollectibles--
|
|
}
|
|
}
|
|
}
|
|
|
|
if numcollectibles == 0 {
|
|
// winner, winner, chicken dinner!
|
|
timer := observers.GetGameObserver(system.World).StopTimer
|
|
if !timer.Running {
|
|
timer.Start(LEVEL_END_WAIT)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (system *CollectibleSystem) Draw(screen *ebiten.Image) {
|
|
// write the movable tiles
|
|
op := &ebiten.DrawImageOptions{}
|
|
query := system.Selector.Query(system.World)
|
|
|
|
for query.Next() {
|
|
pos, _, sprite := query.Get()
|
|
|
|
if !sprite.Hidden {
|
|
op.GeoM.Reset()
|
|
op.GeoM.Translate(float64(pos.X), float64(pos.Y))
|
|
|
|
screen.DrawImage(sprite.Image, op)
|
|
}
|
|
}
|
|
}
|