Update Player.cs

Randowm Tree Colonies

Minecraft Client/.idea/.idea.Minecraft Client/.idea/misc.xml

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Minecraft Client/Assets/Content/Character.mat

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+  m_AnchoredPosition: {x: -149.19998, y: -33.200016}
   m_SizeDelta: {x: 160, y: 30}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &1783690559

Minecraft Client/Assets/Scripts/Game/Chunk.cs

@@ -81,6 +81,19 @@ public class Chunk
                         triangleIndex++;
                     }
                     
+                    AddUV(textures[f]);
+                }
+                else if(world.GetBlockID(new Vector3(x + Data.faceChecks[f].x + chunkPosition.x * Data.chunkWidth, 
+                            y + Data.faceChecks[f].y, 
+                            z + Data.faceChecks[f].z + chunkPosition.z * Data.chunkWidth)) == 6)
+                {
+                    for (int v = 0; v < 6; v++)
+                    {
+                        vertices.Add(Data.vertices[Data.triangles[f, v]] + new Vector3(x, y, z));
+                        triangles.Add(triangleIndex);
+                        triangleIndex++;
+                    }
+                    
                     AddUV(textures[f]);
                 }
             }

Minecraft Client/Assets/Scripts/Game/Client.cs

@@ -1,5 +1,7 @@
+using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Data;
 using System.IO;
 using System.Net;
 using System.Net.Sockets;
@@ -130,6 +132,44 @@ public class Client
         Send(new byte[]{6});
     }
 
+    //1.12 == [1] = 1, [2] = 12
+    public void SendPositionUpdate(Vector3 position)
+    {
+        string x = position.x.ToString("n4");
+        string y = position.y.ToString("n4");
+        string z = position.z.ToString("n4");
+
+        string sendPosition = x + " " + y + " " + z;
+        byte[] sendPositionASCII = Encoding.ASCII.GetBytes(sendPosition);
+        byte[] send = new byte[sendPositionASCII.Length + 1];
+        send[0] = 7;
+        for (int i = 1; i < send.Length; i++)
+        {
+            send[i] = sendPositionASCII[i - 1];
+        }
+
+        Send(send);
+    }
+
+    public void SendRotationUpdate(Quaternion rotation)
+    {
+        string x = rotation.x.ToString("n4");
+        string y = rotation.y.ToString("n4");
+        string z = rotation.z.ToString("n4");
+        string w = rotation.w.ToString("n4");
+
+        string sendRotation = x + " " + y + " " + z + " " + w;
+        byte[] sendRotationASCII = Encoding.ASCII.GetBytes(sendRotation);
+        byte[] send = new byte[sendRotationASCII.Length + 1];
+        send[0] = 8;
+        for (int i = 1; i < send.Length; i++)
+        {
+            send[i] = sendRotationASCII[i - 1];
+        }
+        
+        Send(send);
+    }
+    
     private void Receive()
     {
         while(true)
@@ -145,9 +185,62 @@ public class Client
                 
                 world.EditBlock(chunk, positionInChunk, blockID);
             }
+
+            //add a new player
+            if (data[0] == 5)
+            {
+                world.AddPlayer(data[1]);
+            }
+
+            //update a players position
+            if (data[0] == 7)
+            {
+                byte[] positionASCII = new byte[data.Length - 2];
+                for (int i = 0; i < data.Length - 2; i++)
+                {
+                    positionASCII[i] = data[i + 2];
+                }
+
+                byte id = data[1];
+                
+                string[] positionString = Encoding.ASCII.GetString(positionASCII).Split(' ');
+                float x = float.Parse(positionString[0]);
+                float y = float.Parse(positionString[1]);
+                float z = float.Parse(positionString[2]);
+
+                world.UpdatePlayerPosition(new Vector3(x, y, z), id);
+            }
+
+            //remove a player from local world
+            if (data[0] == 4)
+            {
+                world.RemovePlayer(data[1]);
+            }
+
+            //update a players rotation
+            if (data[0] == 8)
+            {
+                byte[] rotationASCII = new byte[data.Length - 2];
+                for (int i = 0; i < data.Length - 2; i++)
+                {
+                    rotationASCII[i] = data[i + 2];
+                }
+
+                byte id = data[1];
+                
+                string[] rotationString = Encoding.ASCII.GetString(rotationASCII).Split(' ');
+                float x = float.Parse(rotationString[0]);
+                float y = float.Parse(rotationString[1]);
+                float z = float.Parse(rotationString[2]);
+                float w = float.Parse(rotationString[3]);
+                
+                world.UpdatePlayerRotation(new Quaternion(x, y, z, w), id);
             }
         }
         
+    }
+
+    //sends an edit block request to server
     public void EditBlock(Vector3 positionInWorld, byte blockID)
     {
         ChunkCoord chunk = new ChunkCoord((int)(positionInWorld.x / Data.chunkWidth),
@@ -161,11 +254,22 @@ public class Client
         Send(new byte[] { 3, (byte)chunk.x, (byte)chunk.z, xInChunk, yInChunk, zInChunk, blockID });
     }
 
+    public void SendDeadMessage()
+    {
+        Send(new byte[]{10});
+    }
+    
+    //default send method
     private void Send(byte[] data)
     {
         client.Send(data, data.Length);
     }
 
+    public void SaveWorld()
+    {
+        Send(new byte[]{9});
+    }
+    
     public void Disconnect()
     {
         Send(new byte[] { 4 });

Minecraft Client/Assets/Scripts/Game/Player.cs

@@ -7,9 +7,31 @@ public class Player : MonoBehaviour
 {
     //game
     [SerializeField] private float mouseSpeed;
-    [SerializeField] private float moveSpeed;
+    [SerializeField] private float defaultSpeed = 5;
+    [SerializeField] private float sprintSpeed = 8;
+    [SerializeField] private float sneakSpeed = 2;
+    private float walkSpeed;
+    [SerializeField] private float jumpForce;
     [SerializeField] private World world;
+    private float playerWidth = 0.15f;
+    private float playerOffsetWidth = 0.1f;
+    private float horizontal;
+    private float vertical;
+    private float mouseX;
+    private float mouseY;
+    private Vector3 velocity = new Vector3(0, 0, 0);
+    private float rotX = 0;
+    private float verticalMomentum = 0;
+    private bool jumpRequest;
+    private bool isGrounded = true;
+    private float lastTriggerR = 0, lastTriggerL = 0;
+
+    private float gravity = -20f;
     private Camera camera = null;
+    private Vector3 lastPosition = new Vector3();
+    private Quaternion lastRotation = new Quaternion();
+
+    private byte currentBlock = 1;
     
     //network
     private Client client = null;
@@ -17,47 +39,336 @@ public class Player : MonoBehaviour
     private void Start()
     {
         client = world.GetClient();
+        
+        //lock the cursor
         Cursor.lockState = CursorLockMode.Locked;
         camera = GetComponentInChildren<Camera>();
+        transform.position = GetDefaultPlayerPosition();
+
+        walkSpeed = defaultSpeed;
+    }
+
+    private void Jump()
+    {
+        //add velocity up
+        verticalMomentum = jumpForce;
+        isGrounded = false;
+        jumpRequest = false;
+    }
+
+    private void FixedUpdate()
+    {
+        //if space was pressed
+        if (jumpRequest)
+        {
+            Jump();
+        }
+
+        CalculateVelocity();
+        transform.Translate(velocity, Space.World);
+        
+        //check if position or rotation had changed and send an update
+        Vector3 position = transform.position;
+        Quaternion rotation = transform.rotation;
+
+        if (lastPosition.x != position.x || lastPosition.y != position.y || lastPosition.z != position.z)
+        {
+            client.SendPositionUpdate(transform.position);
+        }
+
+        if (rotation.w != lastRotation.w || rotation.x != lastRotation.x || rotation.y != lastRotation.y ||
+            rotation.z != lastRotation.z)
+        {
+            client.SendRotationUpdate(transform.rotation);
+        }
+        
+        lastPosition = new Vector3(transform.position.x, transform.position.y, transform.position.z);
+        lastRotation = transform.rotation;
     }
 
     private void Update()
     {
-        transform.Rotate(0, Input.GetAxis("Mouse X") * mouseSpeed, 0);
+        //get the player input
-        camera.transform.Rotate(-Input.GetAxis("Mouse Y") * mouseSpeed, 0, 0);
+        horizontal = Input.GetAxisRaw("Horizontal");
+        vertical = Input.GetAxisRaw("Vertical");
+        mouseX = Input.GetAxis("Mouse X");
+        mouseY = Input.GetAxis("Mouse Y");
         
-        float up = 0;
+        //Sprinting
-        if (Input.GetKey(KeyCode.Space))
+        if (Input.GetKeyDown(KeyCode.LeftShift) || Input.GetButtonDown("Left Stick Button"))
         {
-            up = 1;
+            walkSpeed = sprintSpeed;
         }
 
-        if (Input.GetKey(KeyCode.LeftShift))
+        if (Input.GetKeyUp(KeyCode.LeftShift) || Input.GetButtonUp("Left Stick Button"))
         {
-            up = -1;
+            walkSpeed = defaultSpeed;
         }
         
-        transform.Translate(Input.GetAxis("Horizontal") * moveSpeed * Time.deltaTime, up * moveSpeed * Time.deltaTime, 
+        //Sneaking
-            Input.GetAxis("Vertical") * moveSpeed * Time.deltaTime);
+        if (Input.GetKeyDown(KeyCode.LeftControl))
-
-        if (Input.GetMouseButtonDown(0))
         {
-            RaycastHit hit;
+            walkSpeed = sneakSpeed;
-            if (Physics.Raycast(camera.transform.position, camera.transform.forward, out hit))
+        }
+
+        if (Input.GetKeyUp(KeyCode.LeftControl))
+        {
+            walkSpeed = defaultSpeed;
+        }
+        
+        if (isGrounded && Input.GetButton("Jump"))
+        {
+            jumpRequest = true;
+        }
+
+        //get the camera up and down movement and clamp it
+        rotX -= mouseY * 1.4f;
+        rotX = Mathf.Clamp(rotX, -90, 90);
+
+        camera.transform.localRotation = Quaternion.Euler(rotX * Time.timeScale, 0, 0);
+        
+        transform.Rotate(0, mouseX * Time.timeScale, 0);
+
+        //send destroy block request to server
+        if (Input.GetMouseButtonDown(0) || (Input.GetAxis("Right Trigger") > 0 && lastTriggerR == 0))
+        {
+            if (Physics.Raycast(camera.transform.position, camera.transform.forward, out RaycastHit hit, 8))
             {
                 hit.point += camera.transform.forward / 10;
                 client.EditBlock(hit.point, 0);
             }
         }
 
-        if (Input.GetMouseButtonDown(1))
+        lastTriggerR = Input.GetAxis("Right Trigger");
+
+        if (currentBlock == 1)
         {
-            RaycastHit hit;
+            if (Input.GetAxisRaw("Mouse ScrollWheel") < 0)
-            if (Physics.Raycast(camera.transform.position, camera.transform.forward, out hit))
+            {
+                currentBlock = (byte)(world.blockData.Length - 1);
+            }
+            else
+            {
+                currentBlock += (byte)(Input.GetAxisRaw("Mouse ScrollWheel") * 10);
+            }
+        }
+        else if (currentBlock == world.blockData.Length - 1)
+        {
+            if (Input.GetAxisRaw("Mouse ScrollWheel") > 0)
+            {
+                currentBlock = (byte)(1);
+            }
+            else
+            {
+                currentBlock += (byte)(Input.GetAxisRaw("Mouse ScrollWheel") * 10);
+            }
+        }
+        else
+        {
+            currentBlock += (byte)(Input.GetAxisRaw("Mouse ScrollWheel") * 10);
+        }
+        
+        //send build block request to server
+        if (Input.GetMouseButtonDown(1) || (Input.GetAxis("Left Trigger") > 0 && lastTriggerL == 0))
+        {
+            if (Physics.Raycast(camera.transform.position, camera.transform.forward, out RaycastHit hit, 8))
             {
                 hit.point -= camera.transform.forward / 10;
-                client.EditBlock(hit.point, 4);
+                client.EditBlock(hit.point, currentBlock);
             }
         }
+
+        lastTriggerL = Input.GetAxis("Left Trigger");
+
+
+
+        if (transform.position.y < 0)
+        {
+            if(Time.timeScale > 0)
+            {
+                world.ShowDeadScreen();
             }
         }
+
+        if (Input.GetKeyDown(KeyCode.Escape))
+        {
+            world.ShowPauseScreen();
+        }
+    }
+
+    private void CalculateVelocity()
+    {
+        //check if player can accelerate any faster (there is a max speed)
+        if (verticalMomentum > gravity)
+        {
+            verticalMomentum += Time.fixedDeltaTime * gravity;
+        }
+
+        //add velocity for moving, falling and jumping
+        velocity = ((transform.forward * vertical) + (transform.right * horizontal)) * Time.fixedDeltaTime * walkSpeed;
+        velocity += Vector3.up * verticalMomentum * Time.fixedDeltaTime;
+
+        //check colliders on z axis
+        if ((velocity.z > 0 && front) || (velocity.z < 0 && back))
+        {
+            velocity.z = 0;
+        }
+
+        //check colliders on x axis
+        if ((velocity.x > 0 && right) || (velocity.x < 0 && left))
+        {
+            velocity.x = 0;
+        }
+
+        //check colliders on y axis
+        if (velocity.y < 0)
+        {
+            velocity.y = CheckDownSpeed(velocity.y);
+        }
+        else if (velocity.y > 0)
+        {
+            velocity.y = CheckUpSpeed(velocity.y);
+        }
+        else
+        {
+            velocity.y = 0;
+        }
+    }
+
+    //check colliders for -y
+    private float CheckDownSpeed(float downSpeed)
+    {
+        if (
+            world.CheckBlock(new Vector3(transform.position.x - playerWidth, transform.position.y + downSpeed, transform.position.z - playerWidth)) ||
+            world.CheckBlock(new Vector3(transform.position.x + playerWidth, transform.position.y + downSpeed, transform.position.z - playerWidth)) ||
+            world.CheckBlock(new Vector3(transform.position.x + playerWidth, transform.position.y + downSpeed, transform.position.z + playerWidth)) ||
+            world.CheckBlock(new Vector3(transform.position.x - playerWidth, transform.position.y + downSpeed, transform.position.z + playerWidth))
+        )
+        {
+            isGrounded = true;
+            return 0;
+        }
+
+        isGrounded = false;
+        return downSpeed;
+    }
+    
+    //check colliders for +y
+    private float CheckUpSpeed(float upSpeed)
+    {
+        if (
+            world.CheckBlock(new Vector3(transform.position.x - playerWidth, transform.position.y + upSpeed + 2f, transform.position.z - playerWidth)) ||
+            world.CheckBlock(new Vector3(transform.position.x + playerWidth, transform.position.y + upSpeed + 2f, transform.position.z - playerWidth)) ||
+            world.CheckBlock(new Vector3(transform.position.x + playerWidth, transform.position.y + upSpeed + 2f, transform.position.z + playerWidth)) ||
+            world.CheckBlock(new Vector3(transform.position.x - playerWidth, transform.position.y + upSpeed + 2f, transform.position.z + playerWidth))
+        )
+        {
+            return 0;
+        }
+        
+        return upSpeed;
+    }
+
+    //check colliders for +z
+    public bool front
+    {
+        get
+        {
+            if (
+                world.CheckBlock(new Vector3(transform.position.x, transform.position.y, transform.position.z + playerWidth + playerOffsetWidth)) ||
+                world.CheckBlock(new Vector3(transform.position.x, transform.position.y + 1f, transform.position.z + playerWidth + playerOffsetWidth))
+            )
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+    
+    //check colliders for -z
+    public bool back
+    {
+        get
+        {
+            if (
+                world.CheckBlock(new Vector3(transform.position.x, transform.position.y, transform.position.z - playerWidth - playerOffsetWidth)) ||
+                world.CheckBlock(new Vector3(transform.position.x, transform.position.y + 1f, transform.position.z - playerWidth - playerOffsetWidth))
+            )
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+    
+    //check colliders for -x
+    public bool left
+    {
+        get
+        {
+            if (
+                world.CheckBlock(new Vector3(transform.position.x - playerWidth - playerOffsetWidth, transform.position.y, transform.position.z )) ||
+                world.CheckBlock(new Vector3(transform.position.x - playerWidth - playerOffsetWidth, transform.position.y + 1f, transform.position.z))
+            )
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+    
+    //check colliders for +x
+    public bool right
+    {
+        get
+        {
+            if (
+                world.CheckBlock(new Vector3(transform.position.x + playerWidth + playerOffsetWidth, transform.position.y, transform.position.z)) ||
+                world.CheckBlock(new Vector3(transform.position.x + playerWidth + playerOffsetWidth, transform.position.y + 1f, transform.position.z))
+            )
+            {
+                return true;
+            }
+
+            return false;
+        }
+    }
+
+    //stores update data for position and if a player should be removed from the world
+    public class PlayerPositionUpdateData
+    {
+        public PlayerPositionUpdateData(byte id, Vector3 position, bool destroy)
+        {
+            this.id = id;
+            this.position = position;
+            this.destroy = destroy;
+        }
+        
+        public byte id;
+        public Vector3 position;
+        public bool destroy;
+    }
+
+    //stores update data for rotations
+    public class PlayerRotationsUpdateData
+    {
+        public byte id;
+        public Quaternion rotation;
+        
+        public PlayerRotationsUpdateData(byte id, Quaternion rotation)
+        {
+            this.id = id;
+            this.rotation = rotation;
+        }
+    }
+
+    public Vector3 GetDefaultPlayerPosition()
+    {
+        return new Vector3((byte)transform.position.x,
+            world.GetHeight((byte)transform.position.x, (byte)transform.position.z) + 2, (byte)transform.position.z);
+    }
+}
+

Minecraft Client/Assets/Scripts/Game/World.cs

@@ -1,55 +1,143 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Threading;
 using UnityEngine;
+using UnityEngine.SceneManagement;
 
 public class World : MonoBehaviour
 {
     //basic
     [SerializeField] private Material material;
+    [SerializeField] private GameObject playerPrefab;
     public int worldSize;
     private string name;
-    private string ip;
+    private Dictionary<byte, GameObject> otherPlayers = new Dictionary<byte, GameObject>();
-    private int port;
+    private Queue<byte> playersToCreate = new Queue<byte>();
+    private Queue<Player.PlayerPositionUpdateData> playersPositionsToUpdate = new Queue<Player.PlayerPositionUpdateData>();
+    
+    private Queue<Player.PlayerRotationsUpdateData> playersRotationsToUpdate =
+        new Queue<Player.PlayerRotationsUpdateData>();
+
+    private bool backToMenuRequest = false;
+
+    [SerializeField] private Player player;
+    [SerializeField] private GameObject deadScreen;
+    [SerializeField] private GameObject pauseScreen;
 
     //chunks
     private Chunk[,] chunks;
     private Queue<ChunkCoord> chunksToUpdate = new Queue<ChunkCoord>();
 
     //blocks
-    [SerializeField] private BlockData[] blockData;
+    [SerializeField] public BlockData[] blockData;
 
     //network
     private Client client;
+    private string ip;
+    private int port;
 
     private void Start()
     {
+        //get default information
         name = PlayerPrefs.GetString("userName");
         ip = PlayerPrefs.GetString("serverIP");
         port = int.Parse(PlayerPrefs.GetString("port"));
         client = new Client(ip, port, this, name);
     }
 
+    //removes a player from the game world
+    public void RemovePlayer(byte id)
+    {
+        playersPositionsToUpdate.Enqueue(new Player.PlayerPositionUpdateData(id, Vector3.zero, true));
+    }
+
     private void Update()
     {
+        //update 1 chunk in list
         if (chunksToUpdate.Count > 0)
         {
             ChunkCoord chunk = chunksToUpdate.Dequeue();
             chunks[chunk.x, chunk.z].Update();
         }
+
+        //create 1 player in list
+        if (playersToCreate.Count > 0)
+        {
+            byte id = playersToCreate.Dequeue();
+            GameObject player = Instantiate(playerPrefab);
+            player.transform.position = new Vector3((byte)player.transform.position.x,
+                GetHeight((byte)player.transform.position.x, (byte)player.transform.position.z) + 2,
+                (byte)player.transform.position.z);
+            player.transform.SetParent(gameObject.transform);
+            otherPlayers.Add(id, player);
         }
 
+        //update 1 player position in list
+        if (playersPositionsToUpdate.Count > 0)
+        {
+            Player.PlayerPositionUpdateData data = playersPositionsToUpdate.Dequeue();
+            otherPlayers.TryGetValue(data.id, out GameObject g);
+            if (g != null)
+            {
+                g.transform.position = data.position;
+                if (data.destroy)
+                {
+                    Destroy(g);
+                    otherPlayers.Remove(data.id);
+                }
+            }
+        }
+
+        //update 1 player rotation in list
+        if (playersRotationsToUpdate.Count > 0)
+        {
+            Player.PlayerRotationsUpdateData data = playersRotationsToUpdate.Dequeue();
+            otherPlayers.TryGetValue(data.id, out GameObject g);
+            if (g != null)
+            {
+                g.transform.rotation = data.rotation;
+            }
+        }
+        
+        //go bock to menu
+        if (backToMenuRequest)
+        {
+            SceneManager.LoadScene("Scenes/Login", LoadSceneMode.Single);
+        }
+    }
+
+    //enqueue player position update to list
+    public void UpdatePlayerPosition(Vector3 position, byte id)
+    {
+        playersPositionsToUpdate.Enqueue(new Player.PlayerPositionUpdateData(id, position, false));
+    }
+
+    //enqueue player rotation update to list
+    public void UpdatePlayerRotation(Quaternion rotation, byte id)
+    {
+        playersRotationsToUpdate.Enqueue(new Player.PlayerRotationsUpdateData(id, rotation));
+    }
+
+    //enqueue player create data to list
+    public void AddPlayer(byte id)
+    {
+        playersToCreate.Enqueue(id);
+    }
+
+    //creates the array for chunk objects
     public void CreateChunkArray()
     {
         chunks = new Chunk[worldSize, worldSize];
     }
 
+    //initialized a chunk
     public void InitChunk(int x, int z, byte[,,] blocks)
     {
         chunks[x, z] = new Chunk(material, new ChunkCoord(x, z), this, blocks);
     }
 
-    //creates an array of chunks
+    //initialized the chunk objects
     public void CreateChunks()
     {
         for (int x = 0; x < worldSize; x++)
@@ -64,49 +152,12 @@ public class World : MonoBehaviour
         }
     }
 
-    //return the ID of a block
-    public byte GetBlockID(Vector3 positionInWorld)
-    {
-        byte height = GetHeight((int)positionInWorld.x, (int)positionInWorld.z);
-        
-        //world pass
-        if (positionInWorld.x < 0 || positionInWorld.y < 0 || positionInWorld.z < 0 ||
-            positionInWorld.x >= worldSize * Data.chunkWidth || positionInWorld.y > height ||
-            positionInWorld.z >= worldSize * Data.chunkWidth)
-        {
-            return 0;
-        }
-
-        //chunk pass
-        if ((int)positionInWorld.y == height)
-        {
-            return 3;
-        }
-
-        if ((int)positionInWorld.y == 0)
-        {
-            return 1;
-        }
-
-        if ((int)positionInWorld.y > height - 3)
-        {
-            return 2;
-        }
-        
-        if ((int)positionInWorld.y < height)
-        {
-            return 4;
-        }
-
-        return 0;
-    }
-    
     //returns if a block is on the position
     public bool CheckBlock(Vector3 positionInWorld)
     {
-        if (positionInWorld.x < -1 || positionInWorld.z < -1 ||
+        if (positionInWorld.x < 0 || positionInWorld.z < 0 ||
-            positionInWorld.x > worldSize * Data.chunkWidth ||
+            positionInWorld.x >= worldSize * Data.chunkWidth ||
-            positionInWorld.z > worldSize * Data.chunkWidth)
+            positionInWorld.z >= worldSize * Data.chunkWidth)
         {
             return false;
         }
@@ -143,16 +194,28 @@ public class World : MonoBehaviour
         return blockData[blockID].textures;
     }
 
-    private byte GetHeight(int x, int z)
+    //get the height
+    public byte GetHeight(int x, int z)
     {
-        float scale = 0.025f;
+        int xChunk = x / Data.chunkWidth;
-        byte perlinHeight = 10;
+        int zChunk = z / Data.chunkWidth;
-        byte groundHeight = 10;
 
-        byte height = (byte)(Mathf.PerlinNoise((x) * scale + 0.1f, (z) * scale + 0.1f) * perlinHeight + groundHeight);
+        int xInChunk = x - (xChunk * Data.chunkWidth);
-        return height;
+        int zInChunk = z - (zChunk * Data.chunkWidth);
+
+        Chunk c = chunks[xChunk, zChunk];
+        for (int y = 0; y < Data.chunkHeight; y++)
+        {
+            if (c.blocks[xInChunk, y, zInChunk] == 0)
+            {
+                return (byte)(y - 1);
+            }
         }
 
+        return 250;
+    }
+
+    //edit a block in local chunk storage
     public void EditBlock(ChunkCoord chunk, Vector3 positionInChunk, byte blockID)
     {
         byte xInChunk = (byte)(positionInChunk.x);
@@ -193,7 +256,6 @@ public class World : MonoBehaviour
         client.Disconnect();
     }
 
-
     public Client GetClient()
     {
         return client;
@@ -206,4 +268,72 @@ public class World : MonoBehaviour
         public string name;
         public byte[] textures = new byte[6];
     }
+    
+        
+    public void ShowDeadScreen()
+    {
+        client.SendDeadMessage();
+        Cursor.visible = true;
+        Cursor.lockState = CursorLockMode.None;
+        deadScreen.SetActive(true);
+        Time.timeScale = 0;
+    }
+    
+    public void ShowPauseScreen()
+    {
+        Cursor.visible = true;
+        Cursor.lockState = CursorLockMode.None;
+        pauseScreen.SetActive(true);
+        Time.timeScale = 0;
+    }
+    
+    public void RespawnButton()
+    {
+        Cursor.visible = false;
+        Cursor.lockState = CursorLockMode.Confined;
+        Time.timeScale = 1;
+        player.transform.position = player.GetDefaultPlayerPosition();
+        deadScreen.SetActive(false);
+    }
+    
+    public void ResumeButton()
+    {
+        Cursor.visible = false;
+        Cursor.lockState = CursorLockMode.Confined;
+        Time.timeScale = 1;
+        pauseScreen.SetActive(false);
+    }
+    
+    public void QuitButton()
+    {
+        Time.timeScale = 1;
+        client.Disconnect();
+        SceneManager.LoadScene("Login");
+        deadScreen.SetActive(false);
+    }
+    
+    public void SaveButton()
+    {
+        client.SaveWorld();
+    }
+    
+    //return the ID of a block
+    public byte GetBlockID(Vector3 positionInWorld)
+    {
+        if (!(positionInWorld.x < 0 || positionInWorld.y < 0 || positionInWorld.z < 0 ||
+             positionInWorld.x >= worldSize * Data.chunkWidth || positionInWorld.y >= Data.chunkHeight ||
+             positionInWorld.z >= worldSize * Data.chunkWidth))
+        {
+            ChunkCoord chunk = new ChunkCoord((int)(positionInWorld.x / Data.chunkWidth),
+                (int)(positionInWorld.z / Data.chunkWidth));
+
+            int xInChunk = (int)(positionInWorld.x - chunk.x * Data.chunkWidth);
+            int yInChunk = (int)positionInWorld.y;
+            int zInChunk = (int)(positionInWorld.z - chunk.z * Data.chunkWidth);
+
+            return chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk, zInChunk];   
+        }
+
+        return 0;
+    }
 }

Minecraft Client/Packages/manifest.json

@@ -7,6 +7,7 @@
     "com.unity.test-framework": "1.1.31",
     "com.unity.textmeshpro": "3.0.6",
     "com.unity.timeline": "1.4.8",
+    "com.unity.toolchain.win-x86_64-linux-x86_64": "2.0.1",
     "com.unity.ugui": "1.0.0",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.androidjni": "1.0.0",

Minecraft Client/Packages/packages-lock.json

@@ -50,6 +50,22 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.sysroot": {
+      "version": "2.0.2",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.sysroot.linux-x86_64": {
+      "version": "2.0.1",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.sysroot": "2.0.2"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.test-framework": {
       "version": "1.1.31",
       "depth": 0,
@@ -82,6 +98,16 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.toolchain.win-x86_64-linux-x86_64": {
+      "version": "2.0.1",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.sysroot": "2.0.2",
+        "com.unity.sysroot.linux-x86_64": "2.0.1"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.ugui": {
       "version": "1.0.0",
       "depth": 0,

Minecraft Client/ProjectSettings/InputManager.asset

@@ -92,7 +92,7 @@ InputManager:
     negativeButton: 
     positiveButton: space
     altNegativeButton: 
-    altPositiveButton: 
+    altPositiveButton: joystick button 0
     gravity: 1000
     dead: 0.001
     sensitivity: 1000
@@ -234,7 +234,7 @@ InputManager:
     descriptiveName: 
     descriptiveNegativeName: 
     negativeButton: 
-    positiveButton: joystick button 3
+    positiveButton: joystick button 0
     altNegativeButton: 
     altPositiveButton: 
     gravity: 1000
@@ -293,3 +293,83 @@ InputManager:
     type: 0
     axis: 0
     joyNum: 0
+  - serializedVersion: 3
+    m_Name: Mouse X
+    descriptiveName: 
+    descriptiveNegativeName: 
+    negativeButton: 
+    positiveButton: 
+    altNegativeButton: 
+    altPositiveButton: 
+    gravity: 0
+    dead: 0
+    sensitivity: 0.3
+    snap: 0
+    invert: 0
+    type: 2
+    axis: 3
+    joyNum: 0
+  - serializedVersion: 3
+    m_Name: Mouse Y
+    descriptiveName: 
+    descriptiveNegativeName: 
+    negativeButton: 
+    positiveButton: 
+    altNegativeButton: 
+    altPositiveButton: 
+    gravity: 0
+    dead: 0
+    sensitivity: 0.3
+    snap: 0
+    invert: 1
+    type: 2
+    axis: 4
+    joyNum: 0
+  - serializedVersion: 3
+    m_Name: Right Trigger
+    descriptiveName: 
+    descriptiveNegativeName: 
+    negativeButton: 
+    positiveButton: 
+    altNegativeButton: 
+    altPositiveButton: 
+    gravity: 0
+    dead: 0
+    sensitivity: 0.3
+    snap: 0
+    invert: 0
+    type: 2
+    axis: 9
+    joyNum: 0
+  - serializedVersion: 3
+    m_Name: Left Trigger
+    descriptiveName: 
+    descriptiveNegativeName: 
+    negativeButton: 
+    positiveButton: 
+    altNegativeButton: 
+    altPositiveButton: 
+    gravity: 0
+    dead: 0
+    sensitivity: 0.3
+    snap: 0
+    invert: 0
+    type: 2
+    axis: 8
+    joyNum: 0
+  - serializedVersion: 3
+    m_Name: Left Stick Button
+    descriptiveName: 
+    descriptiveNegativeName: 
+    negativeButton: 
+    positiveButton: joystick button 8
+    altNegativeButton: 
+    altPositiveButton: 
+    gravity: 1000
+    dead: 0.001
+    sensitivity: 1000
+    snap: 0
+    invert: 0
+    type: 0
+    axis: 8
+    joyNum: 0

Minecraft Client/ProjectSettings/ProjectSettings.asset

@@ -86,7 +86,7 @@ PlayerSettings:
   submitAnalytics: 1
   usePlayerLog: 1
   bakeCollisionMeshes: 0
-  forceSingleInstance: 0
+  forceSingleInstance: 1
   useFlipModelSwapchain: 1
   resizableWindow: 1
   useMacAppStoreValidation: 0
@@ -621,8 +621,8 @@ PlayerSettings:
     Standalone: 3
   m_RenderingPath: 1
   m_MobileRenderingPath: 1
-  metroPackageName: Template_3D
+  metroPackageName: Template3D
-  metroPackageVersion: 
+  metroPackageVersion: 1.0.0.0
   metroCertificatePath: 
   metroCertificatePassword: 
   metroCertificateSubject: 
@@ -630,7 +630,7 @@ PlayerSettings:
   metroCertificateNotAfter: 0000000000000000
   metroApplicationDescription: Template_3D
   wsaImages: {}
-  metroTileShortName: 
+  metroTileShortName: Minecraft Client
   metroTileShowName: 0
   metroMediumTileShowName: 0
   metroLargeTileShowName: 0

Minecraft Client/ProjectSettings/TagManager.asset

@@ -11,7 +11,7 @@ TagManager:
   - 
   - Water
   - UI
-  - 
+  - Culling
   - 
   - 
   - 

Minecraft Server/Assets/Game/Server.cs

@@ -12,6 +12,7 @@ public class Server
 {
     //game
     private World world;
+    private List<Vector3> playerPositions = new List<Vector3>();
 
     //network
     private UdpClient client;
@@ -41,9 +42,12 @@ public class Server
     //[0] = 2: world size
     //[0] = 3: edit block
     //[0] = 4: disconnect player
-    //[0] = 5: 
+    //[0] = 5: create new player in client
     //[0] = 6: player ready
-    //[0] = 7: 
+    //[0] = 7: player position update
+    //[0] = 8: player rotation update
+    //[0] = 9: Save the World
+    //[0] = 10: Player died
 
     private void Receive()
     {
@@ -72,19 +76,29 @@ public class Server
 
                     if (tempEndPoint != null)
                     {
+                        foreach (IPEndPoint e in players)
+                        {
+                            if (i != GetPlayerID(e))
+                            {
+                                Send(new byte[]{4, (byte)i}, e);
+                            }
+                        }
+                        
                         players.Remove(tempEndPoint);
                         Console.WriteLine(playerNames[i] + " left the game" + "\n");
                         playerNames.RemoveAt(i);
-                 
+                        playerPositions.RemoveAt(i);
                     }
                 }
 
+                //init message / world transfer
                 if (data[0] == 0)
                 {
                     Thread t = new Thread(TransferWorld);
                     t.Start(endPoint);
                 }
 
+                //get the world size (first message from client)
                 if (data[0] == 2)
                 {
                     Send(new byte[] { 2, (byte)world.worldSize }, endPoint);
@@ -99,12 +113,30 @@ public class Server
                     //add player
                     players.Add(endPoint);
                     playerNames.Add(name);
+                    playerPositions.Add(new Vector3(0, 0, 0));
                 }
 
+                //edit a block in world
                 if (data[0] == 3)
                 {
                     ChunkCoord chunk = new ChunkCoord(data[1], data[2]);
                     Vector3 positionInChunk = new Vector3(data[3], data[4], data[5]);
+                    Vector3 positionInWorld = new Vector3(chunk.x * Data.chunkWidth + positionInChunk.x,
+                        positionInChunk.y, chunk.z * Data.chunkWidth + positionInChunk.z);
+
+                    //check that there is no player on the block position
+                    bool found = false;
+                    foreach (Vector3 v in playerPositions)
+                    {
+                        if (((int)v.x == (int)positionInWorld.x && (int)v.z == (int)positionInWorld.z) &&
+                            ((int)v.y == (int)positionInWorld.y || (int)v.y + 1 == (int)positionInWorld.y))
+                        {
+                            found = true;
+                        }
+                    }
+
+                    if (!found)
+                    {
                         byte blockID = data[6];
                     
                         world.EditBlock(chunk, positionInChunk, blockID);
@@ -118,13 +150,111 @@ public class Server
                             }, e);
                         }
                     }
+                }
 
+                //a player successfully joined the game...
                 if (data[0] == 6)
                 {
                     int id = GetPlayerID(endPoint);
                     Console.WriteLine(playerNames[id] + " joined" + "\n");
 
+                    foreach (IPEndPoint e in players)
+                    {
+                        if (id != GetPlayerID(e))
+                        {
+                            //create player objects of that player in every connected client
+                            Send(new byte[]{5, (byte)GetPlayerID(e)}, endPoint);
+                            //create player objects of all connected clients in the currently connected client
+                            Send(new byte[]{5, (byte)GetPlayerID(endPoint)}, e);
+                        }
+                    }
+                }
 
+                //update a players position on the server
+                if (data[0] == 7)
+                {
+                    byte[] positionASCII = new byte[data.Length - 1];
+                    for (int i = 0; i < data.Length - 1; i++)
+                    {
+                        positionASCII[i] = data[i + 1];
+                    }
+
+                    string[] positionString = Encoding.ASCII.GetString(positionASCII).Split(' ');
+                    float x = float.Parse(positionString[0]);
+                    float y = float.Parse(positionString[1]);
+                    float z = float.Parse(positionString[2]);
+
+                    int id = GetPlayerID(endPoint);
+
+                    playerPositions[id] = new Vector3(x, y, z);
+
+                    string sendPosition = x + " " + y + " " + z;
+                    byte[] sendPositionASCII = Encoding.ASCII.GetBytes(sendPosition);
+                    byte[] send = new byte[sendPositionASCII.Length + 2];
+                    send[0] = 7;
+                    send[1] = (byte)id;
+                    for (int i = 2; i < send.Length; i++)
+                    {
+                        send[i] = sendPositionASCII[i - 2];
+                    }
+
+                    //send update to every other client
+                    foreach (IPEndPoint e in players)
+                    {
+                        if (id != GetPlayerID(e))
+                        {
+                            Send(send, e);
+                        }
+                    }
+                }
+
+                //update a players rotation on server
+                if (data[0] == 8)
+                {
+                    byte[] rotationASCII = new byte[data.Length - 1];
+                    for (int i = 0; i < data.Length - 1; i++)
+                    {
+                        rotationASCII[i] = data[i + 1];
+                    }
+                    
+                    string[] rotationString = Encoding.ASCII.GetString(rotationASCII).Split(' ');
+                    string x = rotationString[0];
+                    string y = rotationString[1];
+                    string z = rotationString[2];
+                    string w = rotationString[3];
+
+                    byte id = (byte)GetPlayerID(endPoint);
+                    string sendRotation = x + " " + y + " " + z + " " + w;
+                    byte[] sendRotationASCII = Encoding.ASCII.GetBytes(sendRotation);
+                    byte[] send = new byte[sendRotationASCII.Length + 2];
+                    send[0] = 8;
+                    send[1] = id;
+                    
+                    for (int i = 2; i < send.Length; i++)
+                    {
+                        send[i] = sendRotationASCII[i - 2];
+                    }
+
+                    //send update to every other client
+                    foreach (IPEndPoint e in players)
+                    {
+                        if (id != GetPlayerID(e))
+                        {
+                            Send(send, e);
+                        }
+                    }
+                }
+                
+                //Save the World
+                if (data[0] == 9)
+                {
+                    world.SaveWorld();
+                }
+                
+                //player died
+                if (data[0] == 10)
+                {
+                    Console.WriteLine(playerNames[GetPlayerID(endPoint)] + " died! \n");
                 }
             }
             catch (Exception e)
@@ -134,6 +264,7 @@ public class Server
         }
     }
 
+    //returns the id of an player
     private int GetPlayerID(IPEndPoint endPoint)
     {
         int i = 0;
@@ -150,6 +281,7 @@ public class Server
         return -1;
     }
 
+    //starts a tcp client for world transfer
     private void TransferWorld(object o)
     {
         try
@@ -201,6 +333,7 @@ public class Server
         }
     }
 
+    //default send function
     private void Send(byte[] data, IPEndPoint endPoint)
     {
         client.Send(data, data.Length, endPoint);

Minecraft Server/Assets/Game/World.cs

@@ -4,11 +4,15 @@ using System.Collections.Generic;
 using System.IO;
 using System.Text;
 using UnityEngine;
+using Random = UnityEngine.Random;
 
 public class World : MonoBehaviour
 {
     //basic
     [SerializeField] public int worldSize;
+    private int randomOffsetX, randomOffsetZ;
+    private int seed = 0;
+    private string dataPath;
 
     //chunks
     public Chunk[,] chunks;
@@ -18,6 +22,11 @@ public class World : MonoBehaviour
     [SerializeField] private int transferDelay;
     private void Start()
     {
+        dataPath = Application.dataPath;
+        
+        randomOffsetX = Random.Range(0, 10000);
+        randomOffsetZ = Random.Range(0, 10000);
+
         if (File.Exists(Application.dataPath + "\\save.world"))
         {
             chunks = new Chunk[worldSize, worldSize];
@@ -57,6 +66,7 @@ public class World : MonoBehaviour
         else
         {
             CreateChunks();
+            CreateTrees();
         }
         Console.WriteLine("world loaded! \n");
         server = new Server(this, transferDelay);
@@ -85,6 +95,78 @@ public class World : MonoBehaviour
     }
     
     
+    //Create Trees
+    private void CreateTrees()
+    {
+        for (int x = 4; x < worldSize * Data.chunkWidth - 4; x++)
+        {
+            for (int z = 4; z < worldSize * Data.chunkWidth - 4; z++)
+            {
+                if (CheckTree(x, z))
+                {
+                    ChunkCoord chunk = new ChunkCoord((int)(x / Data.chunkWidth),
+                        (int)(z / Data.chunkWidth));
+                    int xInChunk = (int)(x - chunk.x * Data.chunkWidth);
+                    int yInChunk = (int)(GetHeight(x, z));
+                    int zInChunk = (int)(z - chunk.z * Data.chunkWidth);
+
+                    int height = Random.Range(5, 9);
+
+                    for (int i = 0; i <= height; i++)
+                    {
+                        chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk + i, zInChunk] = 7;
+                    }
+                    
+                    chunks[chunk.x, chunk.z].blocks[xInChunk, yInChunk + height + 2, zInChunk] = 6;
+                    
+                    for (int ty = -1; ty <= 0; ty++)
+                    {
+                        for (int tx = -2; tx <= 2; tx++)
+                        {
+                            for (int tz = -2; tz <= 2; tz++)
+                            {
+                                ChunkCoord tempChunk = new ChunkCoord((int)((x - tx) / Data.chunkWidth),
+                                    (int)((z - tz) / Data.chunkWidth));
+                                int xTempInChunk = (int)((x - tx) - tempChunk.x * Data.chunkWidth);
+                                int zTempInChunk = (int)((z - tz) - tempChunk.z * Data.chunkWidth);
+
+                                if (chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + ty,
+                                        zTempInChunk] != 7)
+                                {
+                                    chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + ty,
+                                        zTempInChunk] = 6;
+                                }
+                            }
+                        }
+                    }
+                    
+                    for (int tx = -1; tx <= 1; tx++)
+                    {
+                        for (int tz = -1; tz <= 1; tz++)
+                        {
+                            ChunkCoord tempChunk = new ChunkCoord((int)((x - tx) / Data.chunkWidth),
+                                (int)((z - tz) / Data.chunkWidth));
+                            int xTempInChunk = (int)((x - tx) - tempChunk.x * Data.chunkWidth);
+                            int zTempInChunk = (int)((z - tz) - tempChunk.z * Data.chunkWidth);
+
+                            if (chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + 1,
+                                    zTempInChunk] != 7)
+                            {
+                                chunks[tempChunk.x, tempChunk.z].blocks[xTempInChunk, yInChunk + height + 1,
+                                    zTempInChunk] = 6;
+                            }
+                        }
+                    }
+                    
+                    
+                    
+                    
+
+                }
+            }
+        }
+    }
+    
     //return the ID of a block
     public byte GetBlockID(Vector3 positionInWorld)
     {
@@ -164,10 +246,24 @@ public class World : MonoBehaviour
         byte perlinHeight = 10;
         byte groundHeight = 10;
 
-        byte height = (byte)(Mathf.PerlinNoise((x) * scale + 0.1f, (z) * scale + 0.1f) * perlinHeight + groundHeight);
+        byte height = (byte)(Mathf.PerlinNoise((x + randomOffsetX) * scale + 0.1f, (z + randomOffsetZ) * scale + 0.1f) * perlinHeight + groundHeight);
         return height;
     }
 
+    private bool CheckTree(int x, int z)
+    {
+        float scale = .99f;
+        float threshold = .96f;
+        
+        if (Mathf.PerlinNoise((x) * scale + 0.1f, (z) * scale + 0.1f) >= threshold)
+        {
+            return true;
+        }
+        
+        return false;
+
+    }
+
     public void EditBlock(ChunkCoord chunk, Vector3 positionInChunk, byte blockID)
     {
         byte xInChunk = (byte)(positionInChunk.x);
@@ -188,9 +284,9 @@ public class World : MonoBehaviour
     }
 
 
-    private void SaveWorld()
+    public void SaveWorld()
     {
-        StreamWriter writer = new StreamWriter(Application.dataPath + "\\save.world", false);
+        StreamWriter writer = new StreamWriter(dataPath + "\\save.world", false);
         for (int xChunk = 0; xChunk < worldSize; xChunk++)
         {
             for (int zChunk = 0; zChunk < worldSize; zChunk++)

Minecraft Server/Packages/manifest.json

@@ -7,6 +7,7 @@
     "com.unity.test-framework": "1.1.31",
     "com.unity.textmeshpro": "3.0.6",
     "com.unity.timeline": "1.4.8",
+    "com.unity.toolchain.win-x86_64-linux-x86_64": "2.0.1",
     "com.unity.ugui": "1.0.0",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.androidjni": "1.0.0",

Minecraft Server/Packages/packages-lock.json

@@ -50,6 +50,22 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.sysroot": {
+      "version": "2.0.2",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.sysroot.linux-x86_64": {
+      "version": "2.0.1",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.sysroot": "2.0.2"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.test-framework": {
       "version": "1.1.31",
       "depth": 0,
@@ -82,6 +98,16 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.toolchain.win-x86_64-linux-x86_64": {
+      "version": "2.0.1",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.sysroot": "2.0.2",
+        "com.unity.sysroot.linux-x86_64": "2.0.1"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.ugui": {
       "version": "1.0.0",
       "depth": 0,

Minecraft Server/ProjectSettings/ProjectSettings.asset

@@ -621,8 +621,8 @@ PlayerSettings:
     Standalone: 3
   m_RenderingPath: 1
   m_MobileRenderingPath: 1
-  metroPackageName: Template_3D
+  metroPackageName: Template3D
-  metroPackageVersion: 
+  metroPackageVersion: 1.0.0.0
   metroCertificatePath: 
   metroCertificatePassword: 
   metroCertificateSubject: 
@@ -630,7 +630,7 @@ PlayerSettings:
   metroCertificateNotAfter: 0000000000000000
   metroApplicationDescription: Template_3D
   wsaImages: {}
-  metroTileShortName: 
+  metroTileShortName: Minecraft Server
   metroTileShowName: 0
   metroMediumTileShowName: 0
   metroLargeTileShowName: 0