snengame/internal/game/effect.go

package game

import (
	"log"

	"github.com/google/uuid"
)

type Effect struct {
	Owner  uuid.UUID
	Target uuid.UUID
	ID     int
}

func RemoveEffect(source uuid.UUID, c *Card) {
	if c.Type == EmptyValue {
		return
	}
	for i, e := range c.Effects {
		if e.Owner == source {
			c.Effects = append(c.Effects[:i], c.Effects[i+1:]...)
		}
	}
}

func AddEffect(c *Card, e *Effect) {
	if c.Type == EmptyValue {
		log.Println("Can't add effect to empty card")
		return
	}
	if c.Position < 0 {
		log.Println("trying to apply effect to card not on the board")
	}
	for _, v := range c.Effects {
		if v.Owner == e.Owner && v.ID == e.ID && v.Target == e.Target {
			log.Println("can't stack effects")
			return
		}
	}
	log.Printf("applying %v to %v", e, c)
	c.Effects = append(c.Effects, e)
}