public void Update(Entity entity, Map map)
{
var pos = entity.Position;
var bounds = entity.GeometryBoundingBox;
// if entity is moving diagonally, divide vector by sqrt 2
if (entity.Velocity.X != 0 && entity.Velocity.Y != 0)
entity.Velocity /= MathUtils.SqrtTwo;
entity.Position += entity.Velocity * Game.DeltaTime.AsSeconds();
// see if entity is colliding with an unpassable tile
for (var x = 0; x < map.Size.X; x++)
{
for (var y = 0; y < map.Size.Y; y++)
{
var t = map.Layer1Cells[x, y];
if (t.IsEmpty()) continue;
_tileBounds.Left = x * map.CellSize;
_tileBounds.Top = y * map.CellSize;
FloatRect area;
if (!bounds.Intersects(_tileBounds, out area)) continue;
// vertical collision
if (area.Width > area.Height && Math.Abs(area.Height - bounds.Height) > 0.001f)
{
// top
entity.Position = area.Contains(area.Left, bounds.Top) ? new Vector2f(pos.X, pos.Y + area.Height) : new Vector2f(pos.X, pos.Y - area.Height);
}
// horizontal collision
else if (area.Width < area.Height || Math.Abs(area.Height - bounds.Height) < 0.001f)
{
// right
entity.Position = area.Contains(bounds.Left + bounds.Width - 0.0001f, area.Top + 1) ? new Vector2f(pos.X - area.Width, pos.Y) : new Vector2f(pos.X + area.Width, pos.Y);
}
}
}
// set velocity back to 0 for next frame
entity.Velocity = new Vector2f(0, 0);
}
public Game()
{
View = new View
{
Size = new Vector2f(320, 240),
Center = new Vector2f(320, 240)
};
_player = new Entity(EntityType.Player);
_frameClock = new Clock();
Map = new Map("testmap", 40, 30);
for (var x = 0; x < Map.Size.X; x++)
{
for (var y = 0; y < Map.Size.Y; y++)
{
Map.AddTile(TileType.Stonefloor, x, y, 0);
}
}
Map.AmbientLightColor = new Color(70, 70, 70, 255);
_player.Position = new Vector2f(20 * 32, 15 * 32);
Map.AddEntity(_player);
_playerLight = new PointLight(Color.White, 1.0f, 128, _player.Position);
_mouseLight = new PointLight(Color.Red, 1.0f, 128, (Vector2f) InputHandler.MousePosition);
Map.AddLight(_mouseLight);
Map.AddLight(_playerLight);
Map.AddTile(TileType.StonewallNorth, 22, 18, 1);
Map.AddTile(TileType.StonewallNorth, 22, 14, 1);
Map.AddTile(TileType.StonewallNorth, 18, 18, 1);
Map.AddTile(TileType.StonewallNorth, 18, 14, 1);
Map.AddTile(TileType.StonewallNorth, 20, 12, 1);
Map.AddTile(TileType.StonewallNorth, 16, 16, 1);
Map.AddTile(TileType.StonewallNorth, 20, 20, 1);
Map.AddTile(TileType.StonewallNorth, 24, 16, 1);
}
public static Map Load(string filename)
{
var br = new BinaryReader(
File.Open(filename, FileMode.Open));
var version = br.ReadInt16();
var name = br.ReadString();
var size = new Vector2i(br.ReadInt32(), br.ReadInt32());
var cellSize = br.ReadInt32();
var entityCount = br.ReadInt32();
var lightCount = br.ReadInt32();
var map = new Map(name, size, cellSize);
for (var i = 0; i < size.X; i++)
{
for (var j = 0; j < size.Y; j++)
{
map.Layer0Cells[i, j] = MapCell.Read(br);
map.Layer0Cells[i, j].SetPosition(i * cellSize, j * cellSize);
map.Layer1Cells[i, j] = MapCell.Read(br);
map.Layer1Cells[i, j].SetPosition(i * cellSize, j * cellSize);
map.Layer2Cells[i, j] = MapCell.Read(br);
map.Layer2Cells[i, j].SetPosition(i * cellSize, j * cellSize);
}
}
for (var i = 0; i < entityCount; i++)
map.AddEntity(Entity.Read(br));
map.AmbientLightColor = new Color(br.ReadByte(), br.ReadByte(), br.ReadByte());
for (var i = 0; i < lightCount; i++)
map.AddLight(PointLight.Read(br));
br.Close();
var sb = new StringBuilder();
sb.AppendLine("Loaded map " + name);
sb.AppendLine("\tVersion: " + version);
sb.AppendLine("\tName: " + name);
sb.AppendLine("\tSize: (" + size.X + ", " + size.Y + ")");
sb.AppendLine("\tCell Size: " + cellSize);
sb.AppendLine("\tEntity Count: " + entityCount);
sb.AppendLine("\tLight Count: " + lightCount);
Console.WriteLine(sb);
return map;
}
public void Update(RenderTarget target, Map map)
{
Type.Input.Update(this);
Type.Graphics.Update(this, target);
Type.Physics.Update(this, map);
}
