add player effects, initial support for arbitrary scrying

effect.go

@@ -23,7 +23,16 @@ func RemoveEffect(source uuid.UUID, c *Card) {
 		}
 	}
 }
-
+func RemovePlayerEffect(source uuid.UUID, p *Player) {
+	if p == nil {
+		return
+	}
+	for i, e := range p.Effects {
+		if e.Owner == source {
+			p.Effects = append(p.Effects[:i], p.Effects[i+1:]...)
+		}
+	}
+}
 func AddEffect(c *Card, e *Effect) {
 	if c.Type == EmptyValue {
 		//can't apply effect to empty card
@@ -46,3 +55,22 @@ func AddEffect(c *Card, e *Effect) {
 	log.Printf("applying %v to %v", e, c)
 	c.Effects = append(c.Effects, e)
 }
+
+func AddPlayerEffect(p *Player, e *Effect) {
+	if p == nil || e == nil {
+		log.Println("adding nil player efect")
+		return
+	}
+	if e.Target != uuid.Nil {
+		log.Println("trying to apply targeted effect to player set")
+		return
+	}
+	for _, v := range p.Effects {
+		if v.Owner == e.Owner && v.ID == e.ID {
+			//can't stack effects
+			return
+		}
+	}
+	log.Printf("applying %v to player %v", e, p)
+	p.Effects = append(p.Effects, e)
+}

player.go

@@ -6,4 +6,5 @@ type Player struct {
 	Hand    []*Card `json:"hand"`
 	Life    int     `json:"life"`
 	Ready   bool    `json:"ready"`
+	Effects []*Effect
 }