Added rifle requirement to Precision Shot

Author: theazuresoul

core/src/main/java/com/pipai/wf/battle/action/PrecisionShotAction.java

@@ -8,6 +8,7 @@
 import com.pipai.wf.battle.damage.TargetedActionCalculator;
 import com.pipai.wf.battle.damage.WeaponDamageFunction;
 import com.pipai.wf.battle.log.BattleEvent;
+import com.pipai.wf.battle.weapon.Rifle;
 import com.pipai.wf.battle.weapon.Weapon;
 import com.pipai.wf.exception.IllegalActionException;
 import com.pipai.wf.unit.ability.Ability;
@@ -57,6 +58,9 @@ protected void performImpl() throws IllegalActionException {
 		}
 		Agent target = getTarget();
 		Weapon w = a.getCurrentWeapon();
+		if (!(w instanceof Rifle)) {
+			throw new IllegalActionException("Rifle needed to use Precision Shot");
+		}
 		if (w.needsAmmunition() && w.currentAmmo() == 0) {
 			throw new IllegalActionException("Not enough ammo to fire " + w.name());
 		}

core/src/main/java/com/pipai/wf/gui/BattleGui.java

@@ -36,6 +36,7 @@
 import com.pipai.wf.battle.map.MapGraph;
 import com.pipai.wf.battle.spell.FireballSpell;
 import com.pipai.wf.battle.vision.FogOfWar;
+import com.pipai.wf.battle.weapon.Rifle;
 import com.pipai.wf.battle.weapon.SpellWeapon;
 import com.pipai.wf.battle.weapon.Weapon;
 import com.pipai.wf.exception.IllegalActionException;
@@ -639,7 +640,7 @@ public void onKeyDown(int keycode) {
 			// Skill
 			if (this.mode == Mode.MOVE) {
 				for (Ability a : selectedAgent.getAgent().getAbilities()) {
-					if (a instanceof PrecisionShotAbility && !a.isOnCooldown()) {
+					if (a instanceof PrecisionShotAbility && !a.isOnCooldown() && selectedAgent.getAgent().getCurrentWeapon() instanceof Rifle) {
 						this.switchToTargetMode((PrecisionShotAbility) a);
 						break;
 					}