prestonbane/src/engine/net/client/handlers/AttackCmdMsgHandler.java

package engine.net.client.handlers;

import engine.Enum;
import engine.exception.MsgSendException;
import engine.gameManager.BuildingManager;
import engine.gameManager.CombatManager;
import engine.net.client.ClientConnection;
import engine.net.client.msg.AttackCmdMsg;
import engine.net.client.msg.ClientNetMsg;
import engine.net.client.msg.TargetedActionMsg;
import engine.objects.AbstractWorldObject;
import engine.objects.Building;
import engine.objects.Mob;
import engine.objects.PlayerCharacter;
import org.pmw.tinylog.Logger;

/*
 * @Author:
 * @Summary: Processes application protocol message which keeps
 * client's tcp connection open.
 */

public class AttackCmdMsgHandler extends AbstractClientMsgHandler {

    public AttackCmdMsgHandler() {
        super(AttackCmdMsg.class);
    }

    @Override
    protected boolean _handleNetMsg(ClientNetMsg baseMsg, ClientConnection origin) throws MsgSendException {

        PlayerCharacter playerCharacter = origin.getPlayerCharacter();

        // Member variable declaration

        AttackCmdMsg msg;

        // Member variable assignment

        msg = (AttackCmdMsg) baseMsg;

        int targetType;

        if (TargetedActionMsg.un2cnt == 60 || TargetedActionMsg.un2cnt == 70)
            return true;

        if (playerCharacter == null)
            return true;

        //source must match player this account belongs to

        if (playerCharacter.getObjectUUID() != msg.getSourceID() || playerCharacter.getObjectType().ordinal() != msg.getSourceType()) {
            Logger.error("Msg Source ID " + msg.getSourceID() + " Does not Match Player ID " + playerCharacter.getObjectUUID());
            return true;
        }

        AbstractWorldObject target = playerCharacter.combatTarget;
        if(target == null)
            return true; // cannot attack a null target

        switch(target.getObjectType()){
            case NPC:
                playerCharacter.setCombatTarget(null);
                return true; //cannot attack NPCs
            case Building:
                Building targetBuilding = (Building) target;
                if(!targetBuilding.isVulnerable() || targetBuilding.getRank() < 0)
                    playerCharacter.setCombatTarget(null);
                    return true;
        }

        //set sources target

        playerCharacter.setCombatTarget(target);

        //put in combat if not already

        if (!playerCharacter.isCombat())
            CombatManager.toggleCombat(true, origin);

        //make character stand if sitting

        if (playerCharacter.isSit())
            CombatManager.toggleSit(false, origin);

        CombatManager.AttackTarget(playerCharacter, target);

        return true;
    }

}