public Point ViewCoordinate_m(ECSLib.Vector3 worldCoord_m)
{
int x = (int)((Distance.MToAU(worldCoord_m.X) - CameraWorldPosition_m.X) * ZoomLevel + ViewPortCenter.X);
int y = -(int)((Distance.MToAU(worldCoord_m.Y) - CameraWorldPosition_m.Y) * ZoomLevel - ViewPortCenter.Y);
Point viewCoord = new Point()
{
x = x, y = y
};
return(viewCoord);
}
public Point ViewCoordinate_AU(ECSLib.Vector3 worldCoord_AU)
{
int x = (int)((worldCoord_AU.X - CameraWorldPosition_AU.X) * ZoomLevel + ViewPortCenter.X);
int y = -(int)((worldCoord_AU.Y - CameraWorldPosition_AU.Y) * ZoomLevel - ViewPortCenter.Y);
Point viewCoord = new Point()
{
x = x, y = y
};
return(viewCoord);
}
public static SDL2.SDL.SDL_Point[] ToNativePoints(this SdlVector[] points)
{
var result = new SDL2.SDL.SDL_Point[points.Length];
for (var i = 0; i < result.Length; i++)
{
result[i] = (SDL2.SDL.SDL_Point)points[i];
}
return(result);
}
public Point ViewCoordinate_m(ECSLib.Vector3 worldCoord_m)
{
//we're converting to AU here because zoom works best at AU...
int x = (int)(Distance.MToAU(worldCoord_m.X - CameraWorldPosition_m.X) * ZoomLevel + ViewPortCenter.X);
int y = -(int)(Distance.MToAU(worldCoord_m.Y - CameraWorldPosition_m.Y) * ZoomLevel - ViewPortCenter.Y);
Point viewCoord = new Point()
{
x = x, y = y
};
return(viewCoord);
}
public override void DrawPixels(List <Vec2> points, Color color, IAnchor2d anchor = null)
{
SDL2.SDL.SDL_SetRenderDrawColor(SDLRenderer, (byte)color.R, (byte)color.G, (byte)color.B, (byte)color.A);
var sdlpoints = new SDL2.SDL.SDL_Point[points.Count];
int i = 0;
foreach (var point in points)
{
var tpoint = point + (anchor?.ScreenBounds.Pos ?? Vec2.Zero);
sdlpoints[i] = new SDL2.SDL.SDL_Point
{
x = (int)tpoint.X,
y = (int)tpoint.Y
};
i++;
}
SDL2.SDL.SDL_RenderDrawPoints(SDLRenderer, sdlpoints, points.Count);
}
private void InternalDrawImage(Texture texture, Vec2 pos, Vec2 scale, double rotation, Vec2 origin, Color color, Flipped flipped, Rectangle?source, IAnchor2d anchor)
{
const double degreeToRadianConst = 57.2957795131;
if (!(texture is SDLTexture sdltexture))
{
Logger.Log(LogLevel.Warning, "Texture is not of type SDLTexture");
return;
}
pos += anchor?.ScreenBounds.Pos ?? Vec2.Zero;
if (anchor is Entity2d entityAnchor)
{
scale *= entityAnchor?.Scale ?? Vec2.One;
rotation += entityAnchor?.Rotation ?? 0;
origin += entityAnchor?.Origin ?? Vec2.Zero;
//TODO: Blend color and flip entity
}
var drect = new SDL2.SDL.SDL_Rect
{
x = (int)(pos.X - origin.X),
y = (int)(pos.Y - origin.Y),
w = (int)(texture.Size.X * scale.X),
h = (int)(texture.Size.Y * scale.Y)
};
var sdlPoint = new SDL2.SDL.SDL_Point
{
x = (int)origin.X,
y = (int)origin.Y
};
SDL2.SDL.SDL_SetTextureColorMod(sdltexture.SDL_Image, (byte)color.R, (byte)color.G, (byte)color.B);
SDL2.SDL.SDL_SetTextureAlphaMod(sdltexture.SDL_Image, (byte)color.A);
var sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_NONE;
if (flipped == Flipped.Horizontal)
{
sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_HORIZONTAL;
}
else if (flipped == Flipped.Vertical)
{
sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_VERTICAL;
}
else if (flipped == Flipped.Both)
{
sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_HORIZONTAL | SDL2.SDL.SDL_RendererFlip.SDL_FLIP_VERTICAL;
}
if (!source.HasValue)
{
SDL2.SDL.SDL_RenderCopyEx(this.SDLRenderer, sdltexture.SDL_Image, (IntPtr)null, ref drect, rotation * degreeToRadianConst, ref sdlPoint, sdlRenderFlip);
}
else
{
SDL2.SDL.SDL_Rect srect = new SDL2.SDL.SDL_Rect
{
x = (int)source?.Pos.X,
y = (int)source?.Pos.Y,
w = (int)source?.Size.X,
h = (int)source?.Size.Y
};
SDL2.SDL.SDL_RenderCopyEx(this.SDLRenderer, sdltexture.SDL_Image, ref srect, ref drect, rotation * degreeToRadianConst, ref sdlPoint, sdlRenderFlip);
}
}
private void InternalDrawText(Font font, string text, Vec2 pos, Vec2 scale, double rotation, Vec2 origin, Color color, Flipped flipped, Rectangle?source, IAnchor2d anchor)
{
const double degreeToRadianConst = 57.2957795131;
if (!(font is SDLFont sdlFont))
{
Logger.Log(LogLevel.Warning, "Font is not of type SDLFont");
return;
}
pos += anchor?.ScreenBounds.Pos ?? Vec2.Zero;
var sdlColor = new SDL2.SDL.SDL_Color
{
r = (byte)color.R,
g = (byte)color.G,
b = (byte)color.B,
a = (byte)color.A
};
var fontSur = SDL_ttf.TTF_RenderText_Solid(sdlFont.SDL_Font, text, sdlColor);
var fontTex = SDL2.SDL.SDL_CreateTextureFromSurface(this.SDLRenderer, fontSur);
SDL2.SDL.SDL_QueryTexture(fontTex, out _, out _, out int w, out int h);
var fontSize = new Vec2(w, h);
var drect = new SDL2.SDL.SDL_Rect
{
x = (int)(pos.X - origin.X),
y = (int)(pos.Y - origin.Y),
w = (int)(fontSize.X * scale.X),
h = (int)(fontSize.Y * scale.Y)
};
var sdlPoint = new SDL2.SDL.SDL_Point
{
x = (int)origin.X,
y = (int)origin.Y
};
var sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_NONE;
if (flipped == Flipped.Horizontal)
{
sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_HORIZONTAL;
}
else if (flipped == Flipped.Vertical)
{
sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_VERTICAL;
}
else if (flipped == Flipped.Both)
{
sdlRenderFlip = SDL2.SDL.SDL_RendererFlip.SDL_FLIP_HORIZONTAL | SDL2.SDL.SDL_RendererFlip.SDL_FLIP_VERTICAL;
}
if (!source.HasValue)
{
SDL2.SDL.SDL_RenderCopyEx(this.SDLRenderer, fontTex, (IntPtr)null, ref drect, rotation * degreeToRadianConst, ref sdlPoint, sdlRenderFlip);
}
else
{
SDL2.SDL.SDL_Rect srect = new SDL2.SDL.SDL_Rect
{
x = (int)source?.Pos.X,
y = (int)source?.Pos.Y,
w = (int)source?.Size.X,
h = (int)source?.Size.Y
};
SDL2.SDL.SDL_RenderCopyEx(this.SDLRenderer, fontTex, ref srect, ref drect, rotation * degreeToRadianConst, ref sdlPoint, sdlRenderFlip);
}
SDL2.SDL.SDL_FreeSurface(fontSur);
SDL2.SDL.SDL_DestroyTexture(fontTex);
}
