lakebane/src/engine/net/client/handlers/MoveToPointHandler.java

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//      Magicbane Emulator Project © 2013 - 2022
//                www.magicbane.com


package engine.net.client.handlers;

import engine.InterestManagement.WorldGrid;
import engine.exception.MsgSendException;
import engine.gameManager.BuildingManager;
import engine.gameManager.ChatManager;
import engine.CollisionEngine.CollisionManager;
import engine.gameManager.MovementManager;
import engine.math.Vector3fImmutable;
import engine.net.client.ClientConnection;
import engine.net.client.msg.ClientNetMsg;
import engine.net.client.msg.MoveToPointMsg;
import engine.objects.*;
import engine.server.MBServerStatics;

import java.awt.geom.Line2D;

import java.util.HashSet;

public class MoveToPointHandler extends AbstractClientMsgHandler {

    public MoveToPointHandler() {
        super(MoveToPointMsg.class);
    }

    @Override
    protected boolean _handleNetMsg(ClientNetMsg baseMsg,
                                    ClientConnection origin) throws MsgSendException {
        MoveToPointMsg msg = (MoveToPointMsg) baseMsg;
        PlayerCharacter pc = origin.getPlayerCharacter();
        if(pc == null)
            return true;

        //check for collisions
        Line2D travelLine = new Line2D.Float();
        Vector3fImmutable endLoc = new Vector3fImmutable(msg.getEndLat(),msg.getEndAlt(),msg.getEndLon());
        travelLine.setLine(pc.loc.x,pc.loc.z,endLoc.x,endLoc.z);
        if(BuildingManager.getBuildingAtLocation(pc.loc) != null){
            Building current = BuildingManager.getBuildingAtLocation(pc.loc);
            if (CollisionManager.CollisionDetected(current, travelLine, pc.getCharacterHeight(), pc.loc.y)) {
                ChatManager.chatSystemInfo(pc, "Collision Detected With : " + current.getName() + " Rect: " + current.buildingRect);
                //msg.setEndCoord();
                MovementManager.movement(msg, pc);
                return true;
            }
        }
        HashSet<AbstractWorldObject> awoList = WorldGrid.getObjectsInRangePartial(pc.loc, 1000, MBServerStatics.MASK_BUILDING);
        for(AbstractWorldObject awo : awoList){
            Building building = (Building)awo;
            if(travelLine.intersects(building.buildingRect) || building.buildingRect.contains(travelLine.getP1()) || building.buildingRect.contains(travelLine.getP2())) {
                if (CollisionManager.CollisionDetected(building, travelLine, pc.getCharacterHeight(), pc.loc.y)) {
                    ChatManager.chatSystemInfo(pc, "Collision Detected With : " + building.getName() + " Rect: " + building.buildingRect);
                    //msg.setEndCoord();
                    MovementManager.movement(msg, pc);
                    return true;
                }
            }
        }
        //ChatManager.chatSystemInfo(pc, "No Collision Detected");
        MovementManager.movement(msg, pc);
        return true;
    }
}