up3

server/entity/effect/instant_health.go

@@ -0,0 +1,33 @@
+package effect
+
+import (
+	"github.com/df-mc/dragonfly/server/world"
+	"image/color"
+)
+
+// InstantHealth is an instant effect that causes the player that it is applied
+// to immediately regain some health. The amount of health regained depends on
+// the effect level and potency.
+var InstantHealth instantHealth
+
+type instantHealth struct{}
+
+// Apply instantly heals the world.Entity passed for a bit of health, depending on the effect level and
+// potency.
+func (i instantHealth) Apply(e world.Entity, eff Effect) {
+	base := 2 << eff.Level()
+	if l, ok := e.(living); ok {
+		l.Heal(float64(base)*eff.potency, InstantHealingSource{})
+	}
+}
+
+// RGBA ...
+func (instantHealth) RGBA() color.RGBA {
+	return color.RGBA{R: 0xf8, G: 0x24, B: 0x23, A: 0xff}
+}
+
+// InstantHealingSource is a healing source used when an entity regains
+// health from an effect.instantHealth.
+type InstantHealingSource struct{}
+
+func (InstantHealingSource) HealingSource() {}