Implemented special attacks for Morrigan's throwing axes and javelins

Server/src/main/content/global/handlers/item/equipment/special/HamstringSpecialHandler.java

@@ -0,0 +1,70 @@
+package content.global.handlers.item.equipment.special;
+
+import core.api.ContentAPIKt;
+import core.game.node.entity.Entity;
+import core.game.node.entity.combat.BattleState;
+import core.game.node.entity.combat.CombatStyle;
+import core.game.node.entity.combat.ImpactHandler;
+import core.game.node.entity.combat.RangeSwingHandler;
+import core.game.node.entity.player.Player;
+import core.game.system.timer.RSTimer;
+import core.game.system.timer.TimerFlag;
+import core.plugin.Initializable;
+import core.plugin.Plugin;
+import core.tools.RandomFunction;
+import org.rs09.consts.Items;
+
+@Initializable
+public final class HamstringSpecialHandler extends RangeSwingHandler implements Plugin<Object> {
+    private static final int SPECIAL_ENERGY = 50;
+
+    @Override
+    public Object fireEvent(String identifier, Object... args) {
+        return null;
+    }
+
+    @Override
+    public Plugin<Object> newInstance(Object arg) throws Throwable {
+        CombatStyle.RANGE.getSwingHandler().register(Items.MORRIGANS_THROWING_AXE_13883, this);
+        return this;
+    }
+
+    @Override
+    public int swing(Entity entity, Entity victim, BattleState state) {
+        Player p = (Player) entity;
+        configureRangeData(p, state);
+        if (state.getWeapon() == null || !Companion.hasAmmo(entity, state)) {
+            entity.getProperties().getCombatPulse().stop();
+            p.getSettings().toggleSpecialBar();
+            return -1;
+        }
+        if (!((Player) entity).getSettings().drainSpecial(SPECIAL_ENERGY)) {
+            return -1;
+        }
+        state.setStyle(CombatStyle.RANGE);
+        int max = calculateHit(entity, victim, 1.2);
+        state.setMaximumHit(max);
+        int hit = 0;
+        if (isAccurateImpact(entity, victim)) {
+            hit = RandomFunction.random(max);
+        }
+        state.setEstimatedHit(hit);
+        Companion.useAmmo(entity, state, victim.getLocation());
+        ContentAPIKt.registerTimer(victim, new RSTimer(100, "hamstrung", true, false, new TimerFlag[] { TimerFlag.ClearOnDeath } ) {
+            @Override
+            public void onRegister(Entity entity) {
+                if(entity instanceof Player) {
+                    ((Player)entity).sendMessage("You've been hamstrung! For the next minute, your run energy will drain 4x faster.");
+                }
+            }
+
+            @Override
+            public boolean run(Entity entity) {
+                return false;
+            }
+
+        });
+        return 1 + (int) Math.ceil(entity.getLocation().getDistance(victim.getLocation()) * 0.3);
+    }
+}
+

Server/src/main/content/global/handlers/item/equipment/special/PhantomStrikeSpecialHandler.java

@@ -0,0 +1,82 @@
+package content.global.handlers.item.equipment.special;
+
+import core.api.ContentAPIKt;
+import core.game.node.entity.Entity;
+import core.game.node.entity.combat.BattleState;
+import core.game.node.entity.combat.CombatStyle;
+import core.game.node.entity.combat.ImpactHandler;
+import core.game.node.entity.combat.RangeSwingHandler;
+import core.game.node.entity.player.Player;
+import core.game.system.timer.RSTimer;
+import core.game.system.timer.TimerFlag;
+import core.plugin.Initializable;
+import core.plugin.Plugin;
+import core.tools.RandomFunction;
+import org.rs09.consts.Items;
+
+@Initializable
+public final class PhantomStrikeSpecialHandler extends RangeSwingHandler implements Plugin<Object> {
+    private static final int SPECIAL_ENERGY = 50;
+
+    @Override
+    public Object fireEvent(String identifier, Object... args) {
+        return null;
+    }
+
+    @Override
+    public Plugin<Object> newInstance(Object arg) throws Throwable {
+        CombatStyle.RANGE.getSwingHandler().register(Items.MORRIGANS_JAVELIN_13879, this);
+        CombatStyle.RANGE.getSwingHandler().register(Items.MORRIGANS_JAVELINP_13880, this);
+        CombatStyle.RANGE.getSwingHandler().register(Items.MORRIGANS_JAVELINP_PLUS_13881, this);
+        CombatStyle.RANGE.getSwingHandler().register(Items.MORRIGANS_JAVELINP_PLUS_PLUS_13882, this);
+        return this;
+    }
+
+    @Override
+    public int swing(Entity entity, Entity victim, BattleState state) {
+        Player p = (Player) entity;
+        configureRangeData(p, state);
+        if (state.getWeapon() == null || !Companion.hasAmmo(entity, state)) {
+            entity.getProperties().getCombatPulse().stop();
+            p.getSettings().toggleSpecialBar();
+            return -1;
+        }
+        if (!((Player) entity).getSettings().drainSpecial(SPECIAL_ENERGY)) {
+            return -1;
+        }
+        state.setStyle(CombatStyle.RANGE);
+        int max = calculateHit(entity, victim, 1.0);
+        state.setMaximumHit(max);
+        int hit = 0;
+        if (isAccurateImpact(entity, victim)) {
+            hit = RandomFunction.random(max);
+        }
+        state.setEstimatedHit(hit);
+        Companion.useAmmo(entity, state, victim.getLocation());
+        final Entity attacker = entity;
+        final int initialDamage = hit;
+        ContentAPIKt.registerTimer(victim, new RSTimer(3, "phantom-strike", true, false, new TimerFlag[] { TimerFlag.ClearOnDeath } ) {
+            int remainingDamage = initialDamage;
+
+            @Override
+            public void onRegister(Entity entity) {
+                if(entity instanceof Player) {
+                    ((Player)entity).sendMessage("You start to bleed as the result of the javelin strike.");
+                }
+            }
+
+            @Override
+            public boolean run(Entity entity) {
+                if(entity instanceof Player) {
+                    ((Player)entity).sendMessage("You continue to bleed as the result of the javelin strike.");
+                }
+                int tickDamage = Math.min(remainingDamage, 5);
+                remainingDamage -= tickDamage;
+                entity.getImpactHandler().manualHit(attacker, tickDamage, ImpactHandler.HitsplatType.NORMAL);
+                return remainingDamage > 0;
+            }
+
+        });
+        return 1 + (int) Math.ceil(entity.getLocation().getDistance(victim.getLocation()) * 0.3);
+    }
+}

Server/src/main/core/game/node/entity/impl/WalkingQueue.java

@@ -190,6 +190,9 @@ public final class WalkingQueue {
 		if (player.getSettings().getWeight() > 0.0) {
 			rate *= 1 + (player.getSettings().getWeight() / 100);
 		}
+        if (hasTimerActive(player, "hamstrung")) {
+            rate *= 4;
+        }
 		return rate;
 	}