/// <summary>
/// <para>List of rectangles we collide with.</para>
/// <para>This function checks a specified area for collidable tiles to detect the exact position of the obstacle,
/// because the gridcollider does not provide such information, and then calls <c>ExtendCollisionTile</c> to detect
/// the complete obstacle (as opposed to only the tile we collide with)</para>
/// </summary>
/// <param name="collider">Collider to use</param>
/// <param name="collidingEntity">Entity colliding with the Grid, for example a Tank</param>
/// <param name="leftStart">left tile to start check at</param>
/// <param name="topStart">top tile to start check at</param>
/// <param name="checkWidth">how many tiles to check in x</param>
/// <param name="checkHeight">how many tiles to check in y</param>
/// <returns>List of rectangles we collide with</returns>
public static List <Rectangle> GetCollidingRectangles(GridCollider collider, Entity collidingEntity, int leftStart, int topStart, int checkWidth = 3, int checkHeight = 3)
{
//create the test entity if it does not exist yet
if (_testingEntity == null)
{
_testingEntity = new Entity(0, 0, null, new BoxCollider(0, 0, CollidableTags.Tester));
}
//create list for collisions
List <Rectangle> collisionList = new List <Rectangle>();
//check each tile underneath the tank for collision
for (int x = leftStart; x < checkWidth + leftStart; x++)
{
for (int y = topStart; y < checkHeight + topStart; y++)
{
//if we found a tile that actually collides, save it to the list
if (collider.GetTile(x, y))
{
_testingEntity.Collider.SetPosition(x * collider.TileWidth, y * collider.TileHeight);
_testingEntity.Collider.Width = collider.TileWidth;
_testingEntity.Collider.Height = collider.TileHeight;
if (collidingEntity.Collider.Collide(collidingEntity.X, collidingEntity.Y, _testingEntity) != null)
{
collisionList.Add(ExtendCollisionTile(collider, x, y));
}
}
}
}
//return
return(collisionList);
}
/// <summary>
/// This code tries to extend the collision tile to the largest possible rectangle (eg find the complete obstacle),
/// so that following algorithm parts
/// can work with these rectangles to easily decide whether to move the offending entity on the x or the y axis.
/// </summary>
/// <param name="collider">The collider to work with, probably the grid collision collider.</param>
/// <param name="startX">int x position of the tile in the grid (!= pixel position)</param>
/// <param name="startY">int y position of the tile in the grid (!= pixel position)</param>
/// <returns></returns>
public static Rectangle ExtendCollisionTile(GridCollider collider, int startX, int startY)
{
//copy the positions into variables that will be changed to calculate the resulting rectangle
int left = startX, right = startX + 1, top = startY, bottom = startY + 1;
//go as far in all directions as the tile is collidable
while (collider.GetTile(left - 1, startY) && left > 1)
{
left--;
}
while (collider.GetTile(right, startY) && right < collider.TileColumns)
{
right++;
}
while (collider.GetTile(startX, top - 1) && top > 1)
{
top--;
}
while (collider.GetTile(startX, bottom) && bottom < collider.TileRows)
{
bottom++;
}
//create the rectangle the tank collides with
return(new Rectangle(left * collider.TileWidth, top * collider.TileHeight, (right - left) * collider.TileWidth, (bottom - top) * collider.TileHeight));
}
private void Cleanup()
{
if (movementState == MovementState.Stopped)
{
gridColliderUnderSlidable = null;
slidable = null;
}
}
public void MakeTiles(XmlDocument doc)
{
XmlNode graphicsData = doc.SelectSingleNode("map/layer[@name='Graphics']/data");
XmlNode gridData = doc.SelectSingleNode("map/layer[@name='Grid']/data");
var tileset = AddGraphic(new Tilemap(Global.imagePath + "Rooms/tiles.png", 640, 32));
grid = AddCollider(new GridCollider(Global.screenWidth, Global.screenHeight, 32, 32, Global.Tags.Wall));
grid.LoadCSV(gridData.InnerXml.Replace("\r", ""), "0", "66");
tileset.LoadCSV(graphicsData.InnerXml.Replace("\r", ""), ',', '\n', "", 1);
}
/// <summary>
/// Load tiles in from a GridCollider.
/// </summary>
/// <param name="grid">The GridCollider to reference.</param>
/// <param name="color">The color to set tiles that are collidable on the grid.</param>
/// <param name="layer">The layer to place the tiles on.</param>
public void LoadGrid(GridCollider grid, Color color, string layer = "")
{
for (var i = 0; i < grid.TileColumns; i++)
{
for (var j = 0; j < grid.TileRows; j++)
{
if (grid.GetTile(i, j))
{
SetTile(i, j, color, layer);
}
}
}
}
protected override void OnAdded()
{
base.OnAdded();
var triggerGrid = new GridCollider(Data.WidthTiles, Data.HeightTiles, Global.TileSize, Global.TileSize, "tileset");
Data.IterateTiles((tile) =>
{
if (tile.Trigger != null)
{
if (tile.SolidType == TileSolidType.PixelMask)
{
triggerGrid.SetPixelMaskAt(tile.X, tile.Y, tile.DisplayTid, tile.Properties);
}
else
{
triggerGrid.SetTileAt(tile.X, tile.Y, tile.SolidType, tile.Properties);
}
}
});
var triggerEntity = new Entity();
triggerEntity.Type = Global.TypeTrigger;
triggerEntity.Collider = triggerGrid;
Scene.Add(triggerEntity);
Data.IterateObjects((obj) => Scene.Add(new Object(obj)));
Log.Debug("Loading groups...");
Data.IterateEntities((args) =>
{
var entity = GameEntity.Create(args);
if (args.GroupId != -1)
{
EntityGroup group;
if (!groups.TryGetValue(args.GroupId, out group))
{
group = new EntityGroup(args.GroupId, Data.GetGroupReward(args.GroupId));
groups[args.GroupId] = group;
Log.Debug("Created group " + args.GroupId);
}
group.Add(entity);
entity.Group = group;
}
Scene.Add(entity);
});
}
public override void Added()
{
base.Added();
// Create the grid collider based off of the scene's dimensions.
GridCollider = new GridCollider(Scene.Width, Scene.Height, GridSize, GridSize);
// Create the tilemap based off of the scene's dimensions.
Tilemap = new Tilemap("tiles.png", Scene.Width, Scene.Height, GridSize, GridSize);
// Add the tilemap graphic.
AddGraphic(Tilemap);
// Add the grid collider.
AddCollider(GridCollider);
}
private void UpdateMoveState()
{
//We check if we have more than one touch happening.
//We also check if the first touches phase is Ended (that the finger was lifted)
if (inputHandler.IsInputDown())
{
//We transform the touch position into word space from screen space and store it.
Vector3 touchPosWorld = Camera.main.ScreenToWorldPoint(inputHandler.GetInputScreenPosition());
RaycastHit slidableHit;
// Does the ray intersect with any grid colliders?
// Bit shift the index of the layer to get a bit mask
int slidableLayerMask = 1 << Constants.SLIDABLE_LAYER;
Physics.Raycast(touchPosWorld, raycastDirection, out slidableHit, float.MaxValue, slidableLayerMask);
if (slidableHit.collider != null)
{
Slidable touchedSlidable = slidableHit.collider.GetComponent <Slidable>();
// Early exit if THIS grid movement controller is not relevant.
if (!touchedSlidable.BelongsTo(grid))
{
return;
}
slidable = touchedSlidable;
movementState = MovementState.Moving;
}
if (slidable != null)
{
// check if we should update our tracked grid collider
int gridColliderLayerMask = 1 << Constants.GRID_COLLIDER_LAYER;
RaycastHit gridColliderHit;
Physics.Raycast(slidable.transform.position, raycastDirection, out gridColliderHit, float.MaxValue, gridColliderLayerMask);
if (gridColliderHit.collider != null)
{
gridColliderUnderSlidable = gridColliderHit.collider.GetComponent <GridCollider>();
}
}
}
if (inputHandler.HasInputEnded())
{
movementState = MovementState.Stopped;
Debug.Log("input ended");
}
}
private void InitGrid()
{
grid = new GridCell[rows][];
for (int r = 0; r < rows; r++)
{
grid[r] = new GridCell[columns];
for (int c = 0; c < columns; c++)
{
Vector3 gridColliderPos = GetGridColliderWorldPos(r, c);
GridCollider gridCollider = Instantiate(gridColliderPrefab, gridColliderPos, Quaternion.identity).GetComponent <GridCollider>();
gridCollider.transform.parent = gameObject.transform;
gridCollider.SetPosition(r, c);
// Raycast to hit GridObject
GridObject gridObject = GetGridObject(gridColliderPos);
grid[r][c] = new GridCell(gridCollider, gridObject);
}
}
}
// Our new constructor takes in the new J,I coordinates, and a Player object
public GameScene(int nextJ = 0, int nextI = 0, Player player = null, HaguruClock clock = null) : base()
{
screenJ = nextJ;
screenI = nextI;
// If a Player object isn't passed in, start at the default x,y position of 100,100
if (player == null)
{
Global.player = new Player(100, 100);
}
else
{
Global.player = player;
}
//if no Clock is passed in start a new clock at the default pos
if (clock == null)
{
Global.clock = new HaguruClock();
}
else
{
Global.clock = clock;
}
// Create and load our Tilemap and GridCollider
tilemap = new Tilemap(Assets.TILESET, WIDTH, HEIGHT, Global.GRID_WIDTH, Global.GRID_HEIGHT);
grid = new GridCollider(WIDTH, HEIGHT, Global.GRID_WIDTH, Global.GRID_HEIGHT);
string mapToLoad = Assets.MAP_WORLD;
string solidsToLoad = Assets.MAP_SOLID;
LoadWorld(mapToLoad, solidsToLoad);
// Since we are constantly switching Scenes we need to do some checking,
// ensuring that the music doesn't get restarted.
// We should probably add an isPlaying boolean to the Music class. I will do this soon.
if (Global.gameMusic == null)
{
Global.gameMusic = new Music(Assets.MUSIC_GAME);
Global.gameMusic.Play();
Global.gameMusic.Volume = 0.40f;
}
}
public PixelMaskTest()
{
player = new Entity(80, 80);
player.Collider = new PixelMask("gfx/mask2");
player.OriginX = player.Width / 2;
player.OriginY = player.Height / 2;
var playerSprite = new Sprite("gfx/mask2");
playerSprite.CenterOrigin();
player.Add(playerSprite);
Add(player);
var entity1 = new Entity(40, 30);
entity1.Type = TypeSolid;
entity1.Collider = new PixelMask("gfx/mask1");
entity1.Add(new Sprite("gfx/mask1"));
Add(entity1);
var tileset = new Tileset("gfx/mask_tiles", 16, 16);
var tilemap = new Tilemap(tileset, 5, 5);
var gridCollider = new GridCollider(8, 8, 16, 16, new PixelMaskSet(tileset));
SetTile(tilemap, gridCollider, 0, 0, 0);
SetTile(tilemap, gridCollider, 1, 0, 4);
SetTile(tilemap, gridCollider, 2, 0, 1);
SetTile(tilemap, gridCollider, 0, 1, 4);
SetTile(tilemap, gridCollider, 1, 1, 4);
SetTile(tilemap, gridCollider, 2, 1, 4);
SetTile(tilemap, gridCollider, 0, 2, 2);
SetTile(tilemap, gridCollider, 1, 2, 4);
SetTile(tilemap, gridCollider, 2, 2, 3);
var mapEntity = new Entity(100, 100);
mapEntity.Type = TypeSolid;
mapEntity.Add(tilemap);
mapEntity.Collider = gridCollider;
Add(mapEntity);
}
public override void Update()
{
base.Update();
//returns true if we collide witht the grid at any position
if (Tank.Collider.Overlap(Tank.X, Tank.Y, CollidableTags.Wall))
{
//notify the tank
Tank.WallCollision = true;
//extract the wallCollider from the list of colliders with the tag wallcollider
GridCollider wallGridCollider = (GridCollider)Tank.Collider.CollideList(Tank.X, Tank.Y, CollidableTags.Wall)[0];
//calculate colliding tiles check start position, eg the top-left-most tile the tank could hit
int leftmostTile = wallGridCollider.GridX(Tank.Collider.Left);
int topmostTile = wallGridCollider.GridY(Tank.Collider.Top);
//get the collision rectangles
List <Rectangle> collidingRectangles = CollisionUtilites.GetCollidingRectangles(wallGridCollider, Tank, leftmostTile, topmostTile);
//filter out identical rectangles created when the tile checker found multiple colliding candidates
collidingRectangles = collidingRectangles.Distinct().ToList();
//reset out of all rectangles
foreach (Rectangle obstacle in collidingRectangles)
{
Vector2 projection = CollisionUtilites.ShortestProjection(Tank, obstacle);
//something smells fishy: the projection is larger than a complete tile? f**k that.
if (Math.Abs(projection.X) < wallGridCollider.TileWidth && Math.Abs(projection.Y) < wallGridCollider.TileHeight)
{
Tank.AddPosition(projection);
}
}
}
else
{
Tank.WallCollision = false;
}
}
/// <summary>
/// Load level data from a string into a Scene.
/// </summary>
/// <param name="data">The level data to load.</param>
/// <param name="scene">The Scene to load into.</param>
public void LoadLevel(string data, Scene scene)
{
Entities.Clear();
CurrentLevel = data;
var xmlDoc = new XmlDocument();
xmlDoc.LoadXml(data);
var xmlLevel = xmlDoc["level"];
scene.Width = int.Parse(xmlDoc["level"].Attributes["width"].Value);
scene.Height = int.Parse(xmlDoc["level"].Attributes["height"].Value);
int i = 0;
foreach (var layer in Layers.Values)
{
if (layer.Type == "GridLayerDefinition")
{
var Entity = new Entity();
var grid = new GridCollider(scene.Width, scene.Height, layer.GridWidth, layer.GridHeight);
grid.LoadString(xmlLevel[layer.Name].InnerText);
if (ColliderTags.ContainsKey(layer.Name))
{
grid.AddTag(ColliderTags[layer.Name]);
}
if (DisplayGrids)
{
var tilemap = new Tilemap(scene.Width, scene.Height, layer.GridWidth, layer.GridHeight);
tilemap.LoadString(xmlLevel[layer.Name].InnerText, layer.Color);
Entity.AddGraphic(tilemap);
}
Entity.AddCollider(grid);
scene.Add(Entity);
Entities.Add(layer.Name, Entity);
}
if (layer.Type == "TileLayerDefinition")
{
var Entity = new Entity();
var xmlTiles = xmlLevel[layer.Name];
var tileset = xmlTiles.Attributes["tileset"].Value;
var tilepath = ImagePath + TileMaps[tileset];
foreach (var kv in assetMappings)
{
var find = kv.Key;
var replace = kv.Value;
if (tilepath.EndsWith(find))
{
tilepath = replace;
break;
}
}
var tilemap = new Tilemap(tilepath, scene.Width, scene.Height, layer.GridWidth, layer.GridHeight);
var exportMode = xmlTiles.Attributes["exportMode"].Value;
switch (exportMode)
{
case "CSV":
tilemap.LoadCSV(xmlTiles.InnerText);
break;
case "XMLCoords":
foreach (XmlElement t in xmlTiles)
{
tilemap.SetTile(t);
}
break;
}
tilemap.Update();
Entity.AddGraphic(tilemap);
Entity.Layer = BaseTileDepth - i * TileDepthIncrement;
i++;
scene.Add(Entity);
Entities.Add(layer.Name, Entity);
}
if (layer.Type == "EntityLayerDefinition")
{
var xmlEntities = xmlLevel[layer.Name];
if (xmlEntities != null)
{
foreach (XmlElement e in xmlEntities)
{
CreateEntity(e, scene);
}
}
}
}
if (UseCameraBounds)
{
scene.CameraBounds = new Rectangle(0, 0, scene.Width, scene.Height);
scene.UseCameraBounds = true;
}
}
public GridCell(GridCollider gridCollider, GridObject gridObject)
{
this.gridCollider = gridCollider;
this.gridObject = gridObject;
}
/// <summary>
/// Load tiles in from a GridCollider.
/// </summary>
/// <param name="grid">The GridCollider to reference.</param>
/// <param name="color">The color to set tiles that are collidable on the grid.</param>
/// <param name="layer">The layer to place the tiles on.</param>
public void LoadGrid(GridCollider grid, Color color, Enum layer)
{
LoadGrid(grid, color, Util.EnumValueToString(layer));
}
/// <summary>
/// Load tiles in from a GridCollider and choose tiles based on the shape of the grid.
/// </summary>
/// <param name="grid">The GridCollider to reference.</param>
/// <param name="layer">The layer to place the tiles on.</param>
public void LoadGridAutoTile(GridCollider grid, string layer = "")
{
if (autoTileTable == null)
{
SetAutoTileData(autoTileDefaultData);
}
for (var i = 0; i < grid.TileColumns; i++)
{
for (var j = 0; j < grid.TileRows; j++)
{
if (grid.GetTile(i, j))
{
int tileValue = 0;
/*
* auto tiling grid
*
* 128 001 016
* 008 ___ 002
* 064 004 032
*
*/
if (grid.GetTile(i - 1, j - 1))
{
tileValue += 128;
}
if (grid.GetTile(i, j - 1))
{
tileValue += 1;
}
if (grid.GetTile(i + 1, j - 1))
{
tileValue += 16;
}
if (grid.GetTile(i + 1, j))
{
tileValue += 2;
}
if (grid.GetTile(i + 1, j + 1))
{
tileValue += 32;
}
if (grid.GetTile(i, j + 1))
{
tileValue += 4;
}
if (grid.GetTile(i - 1, j + 1))
{
tileValue += 64;
}
if (grid.GetTile(i - 1, j))
{
tileValue += 8;
}
if (autoTileTable.ContainsKey(tileValue))
{
tileValue = Rand.ChooseElement <int>(autoTileTable[tileValue]);
}
SetTile(i, j, tileValue, layer);
}
}
}
}
private void SetTile(Tilemap tilemap, GridCollider gridCollider, int x, int y, int id)
{
tilemap.SetTileAt(x, y, id);
gridCollider.SetPixelMaskAt(x, y, id);
}
/// <summary>
/// Creates a grid collider from any TiledTileLayer. Each tile that have an image set it will
/// create a collider the size of the tile.
/// </summary>
/// <param name="tileLayer">
/// The tile layer with all the information needed to generate a grid collider.
/// </param>
/// <param name="tags">
/// The tags that will be applied to all of the colliders in the grid collider.
/// </param>
/// <returns>
/// A grid collider with a collider at each position where a tile is set.
/// </returns>
public GridCollider CreateGridCollider(TiledTileLayer tileLayer, params int[] tags)
{
var grid = new GridCollider(PixelWidth, PixelHeight, TileWidth, TileHeight, tags);
foreach(var tile in tileLayer.Tiles)
{
if(tile.Gid > 0)
{
grid.SetTile(tile.X, tile.Y);
}
}
return grid;
}
public DungeonMap(DungeonData data)
{
Data = data;
Type = Global.TypeMap;
Width = data.WidthTiles * Global.TileSize;
Height = data.HeightTiles * Global.TileSize;
var solidGrid = new GridCollider(data.WidthTiles, data.HeightTiles, Global.TileSize, Global.TileSize, "tileset");
Collider = solidGrid;
var groundMap = new Tilemap(data.Tileset, data.WidthTiles, data.HeightTiles);
groundMap.Layer = Global.LayerMapGround;
Add(groundMap);
var backMap = new Tilemap(data.Tileset, data.WidthTiles, data.HeightTiles);
backMap.Layer = Global.LayerMapWall;
Add(backMap);
var frontMap = new Tilemap(data.Tileset, data.WidthTiles, data.HeightTiles);
frontMap.Layer = Global.LayerMapRoof;
Add(frontMap);
Data.IterateTiles((tile) =>
{
if (tile.Trigger == null)
{
if (tile.SolidType == TileSolidType.PixelMask)
{
solidGrid.SetPixelMaskAt(tile.X, tile.Y, tile.DisplayTid, tile.Properties);
}
else
{
solidGrid.SetTileAt(tile.X, tile.Y, tile.SolidType, tile.Properties);
}
}
switch (tile.Type)
{
case DungeonTileType.Ground:
RenderFlatTile(groundMap, tile, TileGround);
break;
case DungeonTileType.Wall:
RenderWallTile(solidGrid, backMap, tile, TileWall);
break;
case DungeonTileType.Roof:
RenderFlatTile(frontMap, tile, TileRoof);
break;
}
if (tile.Trigger != null)
{
backMap.SetTileAt(tile.X, tile.Y, tile.DisplayTid);
}
});
tireLayer = new DrawLayer(data.WidthTiles * Global.TileSize, data.HeightTiles * Global.TileSize);
tireLayer.Layer = Global.LayerTireEffect;
Add(tireLayer);
}
private void RenderWallTile(GridCollider solidGrid, Tilemap tilemap, DungeonTile tile, int tid)
{
var neighbors = GetNeighbors(tile);
// vertical
if (GetTileTypeAt(tile.X - 1, tile.Y) == DungeonTileType.Roof && GetTileTypeAt(tile.X + 1, tile.Y) == DungeonTileType.Ground)
{
SetTile(tilemap, tile, tid + 16, Direction.Left);
}
else if (GetTileTypeAt(tile.X + 1, tile.Y) == DungeonTileType.Roof && GetTileTypeAt(tile.X - 1, tile.Y) == DungeonTileType.Ground)
{
SetTile(tilemap, tile, tid + 18, Direction.Right);
}
// horizontal
else if (GetTileTypeAt(tile.X, tile.Y - 1) == DungeonTileType.Roof && GetTileTypeAt(tile.X, tile.Y + 1) == DungeonTileType.Ground)
{
SetTile(tilemap, tile, tid + 1, Direction.Up);
}
else if (GetTileTypeAt(tile.X, tile.Y + 1) == DungeonTileType.Roof && GetTileTypeAt(tile.X, tile.Y - 1) == DungeonTileType.Ground)
{
SetTile(tilemap, tile, tid + 33, Direction.Down);
}
// corner outer
else if (GetTileTypeAt(tile.X + 1, tile.Y + 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X + 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y + 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 0);
}
else if (GetTileTypeAt(tile.X - 1, tile.Y + 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X - 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y + 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 2);
}
else if (GetTileTypeAt(tile.X + 1, tile.Y - 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X + 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y - 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 32);
}
else if (GetTileTypeAt(tile.X - 1, tile.Y - 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X - 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y - 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 34);
}
// corner inner
else if (GetTileTypeAt(tile.X - 1, tile.Y - 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X + 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y + 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 3);
solidGrid.SetPixelMaskAt(tile.X, tile.Y, tid + 3);
}
else if (GetTileTypeAt(tile.X + 1, tile.Y - 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X - 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y + 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 4);
solidGrid.SetPixelMaskAt(tile.X, tile.Y, tid + 4);
}
else if (GetTileTypeAt(tile.X - 1, tile.Y + 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X + 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y - 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 19);
solidGrid.SetPixelMaskAt(tile.X, tile.Y, tid + 19);
}
else if (GetTileTypeAt(tile.X + 1, tile.Y + 1) == DungeonTileType.Ground && GetTileTypeAt(tile.X - 1, tile.Y) == DungeonTileType.Wall && GetTileTypeAt(tile.X, tile.Y - 1) == DungeonTileType.Wall)
{
SetTile(tilemap, tile, tid + 20);
solidGrid.SetPixelMaskAt(tile.X, tile.Y, tid + 20);
}
// error
else
{
Log.Error("Unkown wall tile at " + tile);
}
}