6 files changed, 88 insertions, 0 deletions
diff --git a/internal/game/aggro.go b/internal/game/aggro.go
new file mode 100644
index 0000000..8f4da42
--- /dev/null
+++ b/internal/game/aggro.go
@@ -0,0 +1,54 @@
+package game
+
+import (
+	"fmt"
+
+	"thehouseoficarus/internal/combat"
+	"thehouseoficarus/internal/engine"
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+)
+
+func (g *Game) checkAggro(sess *net.Session) {
+	p := sess.Player.(*player.Player)
+
+	if combat.GetCombat(p.Name) != nil {
+		return
+	}
+
+	playerLevel := p.CombatLevel()
+	mobs := g.MobStore.MobsInRoom(p.RoomID)
+
+	for _, mob := range mobs {
+		if !mob.Aggressive || mob.HP <= 0 || mob.Protected {
+			continue
+		}
+		if combat.IsMobInCombat(mob.InstanceID) {
+			continue
+		}
+		mobLevel := mobCombatLevel(mob)
+		if playerLevel > mobLevel*2 {
+			continue
+		}
+		aggMob := mob
+		g.Ticks.Subscribe(engine.ToTicks(1), func() bool {
+			if combat.GetCombat(p.Name) != nil {
+				return false
+			}
+			if aggMob.HP <= 0 || aggMob.RoomID != p.RoomID {
+				return false
+			}
+			if combat.IsMobInCombat(aggMob.InstanceID) {
+				return false
+			}
+			attacker := aggMob.Name
+			if !aggMob.Unique {
+				attacker = "The " + aggMob.Name
+			}
+			sess.WriteLine(fmt.Sprintf("\n%s attacks you!", g.colorize(sess, "mob_name", attacker)))
+			g.startCombat(sess, p, aggMob)
+			return false
+		})
+		break
+	}
+}
diff --git a/internal/game/cmd_look.go b/internal/game/cmd_look.go
index 1c9eb9c..14bac11 100644
--- a/internal/game/cmd_look.go
+++ b/internal/game/cmd_look.go
@@ -770,4 +770,11 @@ func (g *Game) showItemStats(sess *net.Session, def *object.ItemDef) {
 	if def.Speed > 0 {
 		sess.WriteLine(fmt.Sprintf("  Speed: %.0f", def.Speed))
 	}
+	if len(def.Requirements) > 0 {
+		sess.WriteLine("")
+		sess.WriteLine("  Requirements:")
+		for skill, level := range def.Requirements {
+			sess.WriteLine(fmt.Sprintf("    %s: %d", skill, level))
+		}
+	}
 }
diff --git a/internal/game/cmd_move.go b/internal/game/cmd_move.go
index 2a3e698..b3fe254 100644
--- a/internal/game/cmd_move.go
+++ b/internal/game/cmd_move.go
@@ -153,6 +153,7 @@ func (g *Game) completeMove(sess *net.Session, p *player.Player) {
 	}
 
 	g.RunEnterSteps(sess, targetID)
+	g.checkAggro(sess)
 }
 
 func (g *Game) seedRoomMobs(roomID int) {
diff --git a/internal/game/cmd_wear.go b/internal/game/cmd_wear.go
index ddc970b..692a3e4 100644
--- a/internal/game/cmd_wear.go
+++ b/internal/game/cmd_wear.go
@@ -9,6 +9,22 @@ import (
 	"thehouseoficarus/internal/player"
 )
 
+func (g *Game) checkRequirements(p *player.Player, def *object.ItemDef) string {
+	if len(def.Requirements) == 0 {
+		return ""
+	}
+	var unmet []string
+	for skill, level := range def.Requirements {
+		if p.Level(player.SkillName(skill)) < level {
+			unmet = append(unmet, fmt.Sprintf("%d %s", level, skill))
+		}
+	}
+	if len(unmet) == 0 {
+		return ""
+	}
+	return fmt.Sprintf("You need %s to wear %s.", strings.Join(unmet, ", "), def.Name)
+}
+
 func (g *Game) doWear(sess *net.Session, input string) {
 	p := sess.Player.(*player.Player)
 
@@ -54,6 +70,11 @@ func (g *Game) doWear(sess *net.Session, input string) {
 		return
 	}
 
+	if msg := g.checkRequirements(p, def); msg != "" {
+		sess.WriteLine(msg)
+		return
+	}
+
 	if def.EquipSlot == object.SlotAmmo && def.Stackable {
 		g.equipAmmo(sess, p, match.Slot, slot, def, qty)
 		return
@@ -165,6 +186,9 @@ func (g *Game) doWearAll(sess *net.Session) {
 		if err != nil || def.EquipSlot == "" {
 			continue
 		}
+		if g.checkRequirements(p, def) != "" {
+			continue
+		}
 		current, exists := bestPerSlot[def.EquipSlot]
 		val := def.Value
 		if def.EquipSlot == object.SlotAmmo && def.Stackable {
diff --git a/internal/game/login_char.go b/internal/game/login_char.go
index 82065d3..84f146b 100644
--- a/internal/game/login_char.go
+++ b/internal/game/login_char.go
@@ -98,6 +98,7 @@ func (g *Game) connectCharacter(sess *net.Session, name string) {
 	}
 
 	g.doLook(sess)
+	g.checkAggro(sess)
 	sess.Write("\r\n> ")
 }
 
diff --git a/internal/object/item.go b/internal/object/item.go
index 14cb65c..60d9ff9 100644
--- a/internal/object/item.go
+++ b/internal/object/item.go
@@ -42,6 +42,7 @@ type ItemDef struct {
 	AttackType  string         `yaml:"attack_type"`
 	Stats       ItemStats      `yaml:"stats"`
 	Speed       float64        `yaml:"speed"`
+	Requirements map[string]int `yaml:"requirements,omitempty"`
 	ToolType    string         `yaml:"tool_type"`
 	ToolSpeed   float64        `yaml:"tool_speed"`
 	BurnTicks   float64        `yaml:"burn_ticks"`