/// <summary>
/// Renders a portion of the next frame.
/// </summary>
public override void RenderFrame()
{
var sb = new GlSpriteBatch(
ActorAtlas,
GlProgramId
);
// Render immobile actors
//
foreach (BrickActor brick in Game.GameState.Scene.ImmobileBricks)
{
ActorAnimationFrame currentFrame = brick.Animation.GetCurrentFrame();
Rectanglei blitRect = ActorAtlas.GetSpriteUV(currentFrame.SpriteName);
Point pointLoc = brick.Location
.Product(Game.GameState.Scene.CellSize)
.Add(currentFrame.Offset).Add(Origin.Product(Game.GameState.Scene.CellSize));
Vector2i drawLoc = new Vector2i(
pointLoc.X, pointLoc.Y
);
sb.Draw(
currentFrame.SpriteName,
new Rectanglei(
drawLoc,
blitRect.Size
)
);
}
sb.Finish();
}
public void Blit(Rectanglei source, Vector2i destPos, int scale, Buffer2D <T> dest)
{
for (int x = source.Left; x < source.Right + source.Width * (scale - 1); ++x)
{
if (x >= 0 && x < dest.Width)
{
for (int y = source.Top; y < source.Bottom + source.Height * (scale - 1); ++y)
{
if (y >= 0 && y < dest.Height)
{
if (typeof(T) != typeof(uint))
{
dest.Set(x - source.Left + destPos.X, y - source.Top + destPos.Y, Get(x / scale, y / scale));
}
else
{
uint color = (uint)((object)Get(x / scale, y / scale));
if ((color & 0xFF000000) != 0x00)
{
dest.Set(x - source.Left + destPos.X, y - source.Top + destPos.Y, (T)(object)color);
}
}
}
}
}
}
}
public static Texture2D LoadTexture(bool isServer, string name, Rectanglei rect)
{
if (!isServer || name == "level1.gif")
{
try {
Texture2D result = new Texture2D(rect.Width, rect.Height);
using (Bitmap bmp = new Bitmap(Assembly.GetEntryAssembly().GetManifestResourceStream(name))) {
for (int x = rect.Left; x < rect.Right; ++x)
{
for (int y = rect.Top; y < rect.Bottom; ++y)
{
result.Set(x - rect.Left, y - rect.Top, (uint)bmp.GetPixel(x, y).ToArgb());
}
}
}
return(result);
} catch {
return(new Texture2D(1, 1));
}
}
return(new Buffer2D <uint>(1, 1));
}
/// <summary>
/// Issues a draw command to this batch.
/// </summary>
/// <param name="spriteName">The name of the sprite.</param>
/// <param name="rect">The rectangle space to draw the sprite at.</param>
public void Draw(string spriteName, Rectanglei rect)
{
Rectanglei spriteRect = Atlas.GetSpriteUV(spriteName);
VboDrawContents.AddRange(GlUtil.MakeVboData(rect));
VboUvContents.AddRange(GlUtil.MakeVboData(spriteRect));
VertexCount += 12;
}
public SpriteInfo(uint tex, Rectanglei rect, Rectangle uv, Color color,
float rotation, Vector2 origin)
{
Texture = tex;
UV = uv;
Rect = rect;
Color = color;
Rotation = rotation;
Origin = origin;
}
public virtual bool CollidesWithVector(Vector2 playerPos)
{
Rectanglei rect = new Rectanglei(X, Z, 1, 1);
if (playerPos.X > rect.Left && playerPos.Y > rect.Top && playerPos.X < rect.Right && playerPos.Y < rect.Bottom)
{
return(true);
}
return(false);
}
public static Rectanglei GetMouseRect()
{
int x, y;
Glfw.GetMousePos(out x, out y);
#if !DEBUG
GlfwVidMode mode;
Glfw.GetDesktopMode(out mode);
x -= mode.Width / 2 - MainClass.WindowWidth / 2;
y -= mode.Height / 2 - MainClass.WindowHeight / 2;
#endif
Rectanglei mousePixel = new Rectanglei(x / MainClass.Scale, y / MainClass.Scale, 1, 1);
return(mousePixel);
}
public void Draw(Texture tex, Rectangle rect, Rectangle?clip, Color color, float rotation, Vector2 origin)
{
Rectanglei dstRect = rect.ToRectaglei();
Rectanglei clipI = clip.HasValue ? clip.Value.ToRectaglei() : new Rectanglei(0, 0, tex.Width, tex.Height);
float sheetWidth = tex.Width;
float sheetHeight = tex.Height;
float uvX = clipI.X / sheetWidth;
float uvY = (sheetHeight - clipI.Bottom) / sheetHeight;
float uvR = clipI.Right / sheetWidth;
float uvB = (sheetHeight - clipI.Y) / sheetHeight;
BatchSprite(tex, dstRect, new Rectangle(uvX, uvY, uvR, uvB), color, rotation, origin);
}
/// <summary>
/// Creates data from the specified <see cref="Rectanglei"/> that can be
/// uploaded into a vertex buffer object.
/// </summary>
/// <param name="rect">The rectangle.</param>
/// <returns>
/// A float array that contains vertex data for the <see cref="Rectanglei"/>.
/// </returns>
public static float[] MakeVboData(Rectanglei rect)
{
// Expand the rectangle to coordinates
//
float[] rectPoints = new float[]
{
rect.Left, rect.Bottom,
rect.Left, rect.Top,
rect.Right, rect.Top,
rect.Left, rect.Bottom,
rect.Right, rect.Top,
rect.Right, rect.Bottom
};
return(rectPoints);
}
void BatchSprite(Texture tex, Rectanglei rect, Rectangle uv, Color color, float rotation, Vector2 origin)
{
if (currentBatch.NumSprites >= SpriteVertexBuffer.MAX_SPRITES || (currentBatch.Texture != null && currentBatch.Texture != tex))
{
batchedSprites.Add(currentBatch);
currentBatch = GetBatch();
bi = 0;
}
SpriteInfo si = new SpriteInfo(tex.Id, rect, uv, color, rotation, origin);
if (currentBatch.Texture == null)
{
currentBatch.Texture = tex;
}
currentBatch.Sprites[bi++] = si;
currentBatch.NumSprites++;
}
public static void CorrectErrors(Bitmap <Color4> output, Rectanglei region, Vector2 threshold)
{
List <Clash> clashes = new List <Clash>();
int w = output.Width;
int h = output.Height;
int xStart = Math.Min(Math.Max(0, region.Left), output.Width);
int yStart = Math.Min(Math.Max(0, region.Top), output.Height);
int xEnd = Math.Min(Math.Max(0, region.Right), output.Width);
int yEnd = Math.Min(Math.Max(0, region.Bottom), output.Height);
for (int y = yStart; y < yEnd; y++)
{
for (int x = xStart; x < xEnd; x++)
{
if ((x > 0 && PixelClash(output[x, y], output[x - 1, y], threshold.X)) ||
(x < w - 1 && PixelClash(output[x, y], output[x + 1, y], threshold.X)) ||
(y > 0 && PixelClash(output[x, y], output[x, y - 1], threshold.Y)) ||
(y < h - 1 && PixelClash(output[x, y], output[x, y + 1], threshold.Y)))
{
clashes.Add(new Clash {
x = x, y = y
});
}
}
}
for (int i = 0; i < clashes.Count; i++)
{
Color4 pixel = output[clashes[i].x, clashes[i].y];
float med = Median(pixel.r, pixel.g, pixel.b);
pixel.r = med;
pixel.g = med;
pixel.b = med;
output[clashes[i].x, clashes[i].y] = pixel;
}
}
public RwGlTypeFaceBufferData GetVboForString(string text)
{
var characterRects = new List <Rectanglei>();
var uvRects = new List <Rectanglei>();
int xOffset = 0;
for (int i = 0; i < text.Length; i++)
{
char c = text[i];
// Obtain character UV
//
if (!InternalCharacterMap.ContainsKey(c))
{
LoadGlyphToTextureCache(c);
}
Rectanglei uvRect = InternalCharacterMap[c];
if (uvRect.Width > 0 && uvRect.Height > 0)
{
characterRects.Add(new Rectanglei(xOffset, 0, uvRect.Width, uvRect.Height));
uvRects.Add(uvRect);
}
xOffset += 32; // Temporary until character metrics are implemented
}
// Expand Rectanglei objects into floats for VBOs and return them
//
return(new RwGlTypeFaceBufferData(
ExpandRectangleiList(characterRects),
ExpandRectangleiList(uvRects)
));
}
public static Vector3 UnProject(Vector3 winCoords, Matrix4 modelView, Matrix4 proj, Rectanglei viewport)
{
Matrix4 finalMatrix = Matrix4.Invert(modelView * proj);
Vector4 inVec = new Vector4(winCoords, 1f);
inVec.X = (inVec.X - viewport.X) / viewport.Width;
inVec.Y = (inVec.Y - viewport.Y) / viewport.Height;
inVec.X = inVec.X * 2 - 1;
inVec.Y = inVec.Y * 2 - 1;
inVec.Z = inVec.Z * 2 - 1;
Vector4 outVec = Vector4.Transform(inVec, finalMatrix);
if (Math.Abs(outVec.Z) < 10f * float.Epsilon)
{
throw new Exception();
}
outVec.X /= outVec.W;
outVec.Y /= outVec.W;
outVec.Z /= outVec.W;
return(outVec.Xyz);
}
public void Blit(Rectanglei source, Vector2i destPos, Buffer2D <T> dest)
{
Blit(source, destPos, 1, dest);
}
public static Texture2D LoadTexture(string name, Rectanglei rect)
{
return(LoadTexture(false, name, rect));
}