From 8b1c74e31d2c51cb62eeff6b3840451d0fd5cd62 Mon Sep 17 00:00:00 2001
From: yoyosource <yoyosource@nidido.de>
Date: Mon, 4 Oct 2021 15:26:10 +0200
Subject: [PATCH] Implement teleport in TeleportPortal

---
 src/de/steamwar/lobby/portal/Portal.java      | 11 ++++++
 .../steamwar/lobby/portal/TeleportPortal.java | 36 ++++++++++++++++++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/src/de/steamwar/lobby/portal/Portal.java b/src/de/steamwar/lobby/portal/Portal.java
index 9c9e849..36149d9 100644
--- a/src/de/steamwar/lobby/portal/Portal.java
+++ b/src/de/steamwar/lobby/portal/Portal.java
@@ -32,6 +32,7 @@ public class Portal implements PortalHandler, ConfigurationSerializable {
 
     private static final Map<String, Portal> portals = new HashMap<>();
     private static final Map<Vector, Portal> posMap = new HashMap<>();
+    public static final Vector NORMAL = new Vector(0, 0, 1);
 
     public static List<Portal> getPortals() {
         return new ArrayList<>(portals.values());
@@ -55,6 +56,11 @@ public class Portal implements PortalHandler, ConfigurationSerializable {
     private final PortalType type;
     private final PortalHandler handler;
 
+    public Vector v1;
+    public Vector v2;
+    public Vector dv;
+    public double degree;
+
     public Portal(Map<String, Object> map) {
         this.id = (String) map.get("id");
         this.pos1 = (Location) map.get("pos1");
@@ -87,6 +93,11 @@ public class Portal implements PortalHandler, ConfigurationSerializable {
                 }
             }
         }
+
+        v1 = getPos1().toVector();
+        v2 = getPos2().toVector();
+        dv = v2.clone().subtract(v1);
+        this.degree = NORMAL.angle(dv);
     }
 
     @Override
diff --git a/src/de/steamwar/lobby/portal/TeleportPortal.java b/src/de/steamwar/lobby/portal/TeleportPortal.java
index 0f2b4af..b938b3a 100644
--- a/src/de/steamwar/lobby/portal/TeleportPortal.java
+++ b/src/de/steamwar/lobby/portal/TeleportPortal.java
@@ -22,6 +22,8 @@ package de.steamwar.lobby.portal;
 import de.steamwar.lobby.listener.Portals;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.util.Vector;
 
 import java.util.*;
 
@@ -62,7 +64,39 @@ public class TeleportPortal implements PortalHandler {
     }
 
     protected void teleport(Player player, Location from, Portal target) {
-        player.sendMessage("Symbolisierter teleport zu " + target.getId());
+        Vector vector = from.toVector();
+
+        double yaw = from.getYaw();
+        Vector lookVector = Portal.NORMAL.clone().rotateAroundY(Math.toRadians(yaw)).normalize();
+        double portalDegreeDelta = portal.degree - Portal.NORMAL.angle(lookVector);
+        // System.out.println(Math.toDegrees(degree) + " " + Math.toDegrees(portalDegreeDelta) + " " + Math.toDegrees(destination.degree));
+
+        double relativeSectionX = vector.clone().subtract(portal.v1).getX() / portal.dv.getX();
+        double relativeSectionZ = vector.clone().subtract(portal.v1).getZ() / portal.dv.getZ();
+        double relativeHeight = (vector.getY() - portal.v1.getY()) / portal.dv.getY();
+
+
+        Vector destinationSection = target.v1.clone();
+        Vector now = target.dv.clone();
+        if (Double.isFinite(relativeSectionX)) {
+            now.setX(now.getX() * relativeSectionX);
+        }
+        if (Double.isFinite(relativeSectionZ)) {
+            now.setZ(now.getZ() * relativeSectionZ);
+        }
+        destinationSection.add(now);
+        Vector v = destinationSection.clone();
+        v.setX(v.getBlockX());
+        v.setY(target.v1.getY());
+        v.setZ(v.getBlockZ());
+
+        double destinationHeight = portal.dv.getY() * relativeHeight;
+
+        Location location = destinationSection.toLocation(from.getWorld());
+        location.setPitch(from.getPitch());
+        location.setYaw((float) Math.toDegrees(target.degree + portalDegreeDelta));
+        location.add(0, destinationHeight, 0);
+        player.teleport(location, PlayerTeleportEvent.TeleportCause.PLUGIN);
     }
 
     @Override