1 files changed, 55 insertions, 0 deletions
diff --git a/internal/game/buff.go b/internal/game/buff.go
new file mode 100644
index 0000000..39abd8a
--- /dev/null
+++ b/internal/game/buff.go
@@ -0,0 +1,55 @@
+package game
+
+import (
+	"strings"
+
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+)
+
+func (g *Game) BuffTick() {
+	if g.Hub == nil {
+		return
+	}
+	for _, sess := range g.Hub.AllSessions() {
+		if sess.Player == nil {
+			continue
+		}
+		p := sess.Player.(*player.Player)
+		remaining := make([]player.PotionBuff, 0, len(p.ActiveBuffs))
+		dirty := false
+		for _, buff := range p.ActiveBuffs {
+			buff.TicksLeft--
+			if buff.TicksLeft > 0 {
+				remaining = append(remaining, buff)
+			} else {
+				dirty = true
+			}
+		}
+		if dirty {
+			p.ActiveBuffs = remaining
+			sess.WriteLine(g.colorize(sess, "broadcast", "\nYour potion buff has worn off."))
+		}
+	}
+}
+
+func (g *Game) buffLevelBonus(p *player.Player, stat string) int {
+	if g.Hub == nil {
+		return 0
+	}
+	totalPercent := 0
+	for _, buff := range p.ActiveBuffs {
+		if strings.EqualFold(buff.Stat, stat) {
+			totalPercent += buff.BonusPercent
+		}
+	}
+	if totalPercent == 0 {
+		return 0
+	}
+	baseLevel := p.Level(player.SkillName(strings.ToLower(stat)))
+	return baseLevel * totalPercent / 100
+}
+
+func (g *Game) totalBuffedLevel(sess *net.Session, p *player.Player, stat string) int {
+	return p.Level(player.SkillName(strings.ToLower(stat))) + g.buffLevelBonus(p, stat)
+}