Fix #505, basilisks and cockatrice now require mirror shield, kurask and turoth now require their regular stuff

Author: lare96

src/main/kotlin/game/game/combat/npcHooks/basiliskAndCockatrice.kts

@@ -0,0 +1,59 @@
+package game.combat.npcHooks
+
+import api.combat.npc.NpcCombatHandler.combat
+import api.predef.*
+import io.luna.Luna
+import io.luna.game.model.mob.Player
+import io.luna.util.RandomUtils
+
+if (Luna.settings().skills().slayerEquipmentNeeded()) {
+
+    /**
+     * Basilisk NPC ids.
+     */
+    val BASILISK = setOf(1616, 1617)
+
+    /**
+     * Cockatrice NPC ids.
+     */
+    val COCKATRICE = setOf(1608, 1609)
+
+    /**
+     * The mirror shield item id.
+     */
+    val MIRROR_SHIELD = 4156
+
+    for (id in BASILISK + COCKATRICE) {
+        /**
+         * Handles basilisk and cockatrice attack effects.
+         *
+         * When a player is attacked without a mirror shield equipped, the NPC has a chance to apply stat drains to one
+         * or more combat skills and notify the player that they have been weakened.
+         */
+        combat(id) {
+            attack {
+                melee {
+                    if (other is Player && other.equipment.shield?.id != MIRROR_SHIELD && RandomUtils.random()) {
+                        if (RandomUtils.random()) {
+                            other.attack.adjustLevel(-rand(10, 20))
+                        }
+                        if (RandomUtils.random()) {
+                            other.strength.adjustLevel(-rand(10, 20))
+                        }
+                        if (RandomUtils.random()) {
+                            other.defence.adjustLevel(-rand(10, 20))
+                        }
+                        if (RandomUtils.random()) {
+                            other.ranged.adjustLevel(-rand(10, 20))
+                        }
+                        if (RandomUtils.random()) {
+                            other.magic.adjustLevel(-rand(10, 20))
+                        }
+                        other.sendMessage("You have been weakened.")
+                    }
+                    it
+                }
+            }
+        }
+    }
+}

src/main/kotlin/game/game/combat/npcHooks/kuraskAndTuroth.kts

@@ -0,0 +1,55 @@
+package game.combat.npcHooks
+
+import api.combat.npc.NpcCombatHandler.combat
+import api.predef.*
+import io.luna.Luna
+import io.luna.game.model.mob.Player
+import io.luna.game.model.mob.combat.AmmoType
+
+if (Luna.settings().skills().slayerEquipmentNeeded()) {
+
+    /**
+     * Turoth NPC ids.
+     */
+    val TUROTH = setOf(1626, 1627, 1628, 1629, 1630, 1631, 1632)
+
+    /**
+     * Kurask NPC ids.
+     */
+    val KURASK = setOf(1608, 1609)
+
+    /**
+     * The leaf-bladed spear item id.
+     */
+    val LEAF_BLADED_SPEAR = 4158
+
+    /**
+     * Determines whether the player is attacking with broad arrows from a ranged weapon.
+     *
+     * This is used as part of the Turoth and Kurask equipment restriction check.
+     *
+     * @param plr The attacking player.
+     * @return `true` if the player is using a ranged weapon with broad arrows, otherwise `false`.
+     */
+    fun usingBroadArrows(plr: Player): Boolean =
+        // TODO Implement broad arrow data.
+        plr.combat.ranged.ammo.type == AmmoType.BROAD_ARROW && plr.combat.weapon.isRanged
+
+    for (id in TUROTH + KURASK) {
+        /**
+         * Handles Turoth and Kurask combat restrictions.
+         *
+         * When slayer equipment restrictions are enabled, players must use either a leaf-bladed spear or broad arrows
+         * from a ranged weapon to deal damage. Any other attack is negated.
+         */
+        combat(id) {
+            defend {
+                if (other is Player && other.equipment.weapon?.id != LEAF_BLADED_SPEAR &&
+                    !usingBroadArrows(other)) {
+                    damage = null
+                    other.sendMessage("Your attack seems to have no effect...")
+                }
+            }
+        }
+    }
+}