public void Render(MainClass Main)
{
if (_viewport.Width != Main.Width || _viewport.Height != Main.Height) {
_2d = new Bitmap(Main.Width, Main.Height);
Graphics g = Graphics.FromImage(_2d);
g.FillRectangle(_bg, 0, 0, _2d.Width, _2d.Height);
g.DrawString(_text, SystemFonts.DefaultFont, _fg, 0, 0);
g.Dispose();
GLUtil.UpdateTexture(_2d, _2dTex);
_viewport.Width = Main.Width;
_viewport.Height = Main.Height;
}
GL.UseProgram(0);
GL.Enable(EnableCap.Texture2D);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();
GL.MatrixMode(MatrixMode.Projection);
Matrix4 orth = Matrix4.CreateOrthographicOffCenter(0, 1, 1, 0, -1, 1);
GL.LoadMatrix(ref orth);
GL.BindTexture(TextureTarget.Texture2D, _2dTex);
GL.BindBuffer(BufferTarget.ArrayBuffer, _2dvbo);
GL.InterleavedArrays(InterleavedArrayFormat.T2fC4fN3fV3f, 0, (IntPtr)0);
GL.DrawArrays(BeginMode.Quads, 0, 4);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.Disable(EnableCap.Texture2D);
}
public WorldRenderer(MainClass In, World For, float Aspect)
{
_for = For;
_hmap = new HeightmapRenderer(this, _for.Terrain);
FragmentShader fsimple = new FragmentShader("res/shader/simple.frag");
FragmentShader fwater = new FragmentShader("res/shader/water.frag");
FragmentShader fuwater = new FragmentShader("res/shader/underwater.frag");
_simple = new ShaderProgram();
_simple.AddFragShader(fsimple);
GLUtil.PrintGLError("Simple");
_underwater = new ShaderProgram();
_underwater.AddFragShader(fuwater);
GLUtil.PrintGLError("Underwater");
_water = new ShaderProgram();
_water.AddFragShader(fwater);
GLUtil.PrintGLError("Water");
_curr = _simple;
_aspect = Aspect;
_projectionMatrix = Matrix4.CreatePerspectiveFieldOfView((float)(FOV), _aspect, 0.01f, MAX_DEPTH);
_modelview = Matrix4.CreateTranslation(-10f, -5f, -10f);
_pos = new Vector3(10, 2, 10);
_mviewstack = new Stack<Matrix4>();
_in = In;
_oldwidth = 0;
_oldheight = 0;
}
public void Init(MainClass Main)
{
//XXX:Make this better...
_in = Main;
//Game world setup.
HeightMap map = new HeightMap("res/map.map");
_pe = new PlayerEntity(new Vector3(0, map [0, 0] + 10, 0));
_world = new World(map, _pe);
//GFX setup
_camOffset = new Vector3();
_ren = new WorldRenderer(Main, _world, (float)Main.Width / Main.Height);
GL.ClearColor(OpenTK.Graphics.Color4.SkyBlue);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Fog);
float[] fogColor = {
OpenTK.Graphics.Color4.SkyBlue.R,
OpenTK.Graphics.Color4.SkyBlue.G,
OpenTK.Graphics.Color4.SkyBlue.B,
OpenTK.Graphics.Color4.SkyBlue.A
};
GL.Fog(FogParameter.FogColor, fogColor);
GL.Fog(FogParameter.FogEnd, WorldRenderer.MAX_DEPTH);
GL.Fog(FogParameter.FogStart, 10f);
//Input setup.
System.Windows.Forms.Cursor.Hide();
Main.Mouse.ButtonDown += ButtonDown;
Main.Mouse.ButtonUp += ButtonUp;
Main.Mouse.Move += MouseMove;
//2D draw setup
_rects = new LinkedList<Rect2D>();
_healthbar = new Bitmap(100, 50);
_healthbarRect = new Rect2D(_healthbar, 0, 0, 100, 50);
_rects.AddFirst(_healthbarRect);
//INput setup
_in.MouseCaptureNeeded = true;
_in.CaptureMouse = true;
}
public void Render(MainClass Win)
{
GL.Clear(ClearBufferMask.DepthBufferBit);
_ren.Render();
_ren.Draw2DRects(_rects);
}
public IGameState LeaveTo(MainClass Win)
{
Win.Mouse.ButtonDown -= ButtonDown;
Win.Mouse.ButtonUp -= ButtonUp;
return null;
}
public void Tick(MainClass Win, double Delta)
{
if (Win.Keyboard [Key.Escape]) {
Win.MouseCaptureNeeded = false;
Win.CaptureMouse = false;
}
if (Win.Keyboard [Key.J]) {
Win.MouseCaptureNeeded = true;
Win.CaptureMouse = true;
}
_pe.Move(Win.Keyboard, _mouseDelta);
if (_in.CaptureMouse)
System.Windows.Forms.Cursor.Position = new Point(
_in.X + (_in.Width / 2),
_in.Y + (_in.Height / 2)
);
if (_lmbDown) {
_pe.SwingSword(_world);
}
_world.Tick((float)Delta);
_camOffset.Y = _pe.GetEyeOffset();
_ren.Pos = Vector3.Add(_pe.Pos, _camOffset);
_ren.Pitch = _pe.Pitch;
_ren.Yaw = _pe.Yaw;
foreach (IEntity ent in _world.Ents) {
Enemy e = ent as Enemy;
if (e != null) {
e.AI(_world);
}
}
if (!_pe.Dead) {
//Update healthbar bitmap.
Graphics g = Graphics.FromImage(_healthbar);
g.FillRectangle(Brushes.Gray, 0, 0, 100, 50);
int hbw = (int)((_pe.Health / 10.0) * 98);
g.FillRectangle(Brushes.Green, 1, 1, hbw, 23);
g.FillRectangle(Brushes.Red, 1 + hbw, 1, 98 - hbw, 23);
g.DrawString(String.Format("Killed {0} buggers.", _world.BuggersKilled), SystemFonts.DefaultFont, Brushes.Black, 0, 30);
g.Dispose();
_healthbarRect.SetTexture(_healthbar);
}
}
