//primitives
public virtual void begin(IRenderTarget target, GLSortMode mode)
{
if (_begin)
{
throw new InvalidOperationException("You must call end before you can call begin again.");
}
if (_stateStack.Count > 0)
{
throw new InvalidOperationException("State stack was not empty.");
}
if (_clipStack.Count > 0)
{
throw new InvalidOperationException("Clipping stack was not empty.");
}
if (_effectStack.Count > 0)
{
throw new InvalidOperationException("Effect stack was not empty.");
}
_target = target;
_begin = true;
_sortMode = mode;
_renderableIndex = 0;
_clipping = AxisAlignedBox2.Null;
_effect = null;
//_currentMatrix = Matrix3.Identity;
_state = GLState.empty;
_target.enable();
//check other settings
}
internal void DrawText(GL gl, string text, float?width)
{
var dx = 0f;// Utility.Floor(pos.X);
//var dy = Utility.Floor(pos.Y);
foreach (char c in text)
{
FontChar fc;
if (_characterMap.TryGetValue(c, out fc))
{
if (width.HasValue && dx + fc.XAdvance > width.Value)
{
break;
}
var sourceRectangle = AxisAlignedBox2.FromRect(fc.X, fc.Y, fc.Width, fc.Height);
var destRectangle = AxisAlignedBox2.FromRect(fc.XOffset, fc.YOffset, fc.Width, fc.Height);
gl.source(sourceRectangle);
gl.quad(destRectangle);
gl.translate(new Vector2(fc.XAdvance, 0));
dx += fc.XAdvance;
}
}
}
internal void DrawWrappedOnWordText(GL gl, string text, Vector2 size)
{
var currentSize = Vector2.Zero;
var current = 0;
while (current != -1 && current < text.Length)
{
var start = current;
current = FindWordIndexFromBounds(current, size.X, text, out currentSize);
if (current > 0)
{
var p = gl.currentPosition;
for (int i = start; i < current; i++)
{
var c = text[i];
FontChar fc;
if (_characterMap.TryGetValue(c, out fc))
{
var sourceRectangle = AxisAlignedBox2.FromRect(fc.X, fc.Y, fc.Width, fc.Height);
var destRectangle = AxisAlignedBox2.FromRect(fc.XOffset, fc.YOffset, fc.Width, fc.Height);
gl.source(sourceRectangle);
gl.quad(destRectangle);
gl.translate(new Vector2(fc.XAdvance, 0));
//dx += fc.XAdvance;
}
}
gl.position(p);
gl.translate(new Vector2(0, MaxLineHeight));
}
size.Y += currentSize.Y;
}
}
public object Deserialize(JsonValue _jv)
{
if (_jv.Type == JsonTypes.Null)
{
return(null);
}
var ja = (JsonArray)_jv;
var data = new AxisAlignedBox2[ja.Count];
for (var i = 0; i < data.Length; i++)
{
var jv = ja[i];
if (jv.Type == JsonTypes.Object)
{
var jo = (JsonObject)jv;
var min = jo["min"];
var max = jo["max"];
if (min.Type == JsonTypes.Object && max.Type == JsonTypes.Object)
{
var jmin = (JsonObject)min;
var jmax = (JsonObject)max;
var vmin = new Vector2();
var vmax = new Vector2();
var jminx = jmin["x"];
var jminy = jmin["y"];
if (jminx.Type == JsonTypes.Number)
{
vmin.X = (float)jminx;
}
if (jminy.Type == JsonTypes.Number)
{
vmin.Y = (float)jminy;
}
var jmaxx = jmax["x"];
var jmaxy = jmax["y"];
if (jmaxx.Type == JsonTypes.Number)
{
vmax.X = (float)jmaxx;
}
if (jmaxy.Type == JsonTypes.Number)
{
vmax.Y = (float)jmaxy;
}
data[i].SetExtents(vmin, vmax);
}
}
}
return(data);
}
public virtual void endclip()
{
verifyBegin();
if (_clipStack.Count == 0)
{
throw new InvalidOperationException("Clipping stack was already empty.");
}
_clipping = _clipStack.Pop();
}
public void line(Vector2 start, Vector2 end, Real width, Real rotation)
{
if (rotation != 0)
{
start = start.Rotate(Vector2.Zero, rotation);
end = end.Rotate(Vector2.Zero, rotation);
}
var diff = end - start;
//var srcRect = new AxisAlignedBox(start.X, start.Y - width * 0.5f, start.X + diff.Length(), start.Y + width * 0.5f);
var srcRect = new AxisAlignedBox2(start.X, start.Y, start.X + width, start.Y + diff.Length);
diff.Normalize();
var _rotation = Utility.ATan2(diff.Y, diff.X) - Utility.PIOverTwo;
//Draw(renderQueue, material, srcRect, AxisAlignedBox2.Null, color, rotation, new Vector2(0.5f, 0), SpriteEffects.None, depth);
var item = new GLRenderable();
item.color = _state.color;
item.depth = _state.depth;
item.material = _state.material;
item.pivot = new Vector2(0.5f, 0);
item.position = (_state.position + start) * _state.scale;
item.rotation = _rotation;
item.scale = srcRect.Size * _state.scale;
item.scissorRect = _clipping;
item.applyScissor = !_clipping.IsNull;
item.sourceRectangle = _state.source;
item.effect = _effect;
item.type = GLRenderableType.Line;
item.key = 0;
draw(item);
}
/// <summary>
/// Returns whether or not this Circle interects a box.
/// </summary>
/// <param name="box"></param>
/// <returns>True if the box intersects, false otherwise.</returns>
public bool Intersects(AxisAlignedBox2 box)
{
return(Utility.Intersects(this, box));
}
public static XnaMath.Rectangle ToRect(this AxisAlignedBox2 aabb)
{
return(new XnaMath.Rectangle(
(int)System.Math.Floor(aabb.X0), (int)System.Math.Floor(aabb.Y0),
(int)System.Math.Ceiling(aabb.Width), (int)System.Math.Ceiling(aabb.Height)));
}
public virtual void beginclip(AxisAlignedBox2 clipregion)
{
verifyBegin();
_clipStack.Push(_clipping);
_clipping = clipregion;
}
private bool checkScissorRect(AxisAlignedBox2 aabb)
{
var scissor = aabb.ToRect();
return(scissor == batch.GraphicsDevice.ScissorRectangle);
}
//public void rect(Vector2 size, Real width) { rect(Vector2.Zero, size, width, _state.rotation); }
public void rect(AxisAlignedBox2 a, Real width)
{
rect(a.minVector, a.maxVector, width, _state.rotation);
}
//public void rect(Vector2 size) { rect(Vector2.Zero, size, 1f, _state.rotation); }
public void rect(AxisAlignedBox2 a)
{
rect(a.minVector, a.maxVector, 1f, _state.rotation);
}
public void quad(AxisAlignedBox2 a, Vector2 pivot, Real rotation)
{
quad(a.minVector, a.maxVector, pivot, rotation);
}
public void quad(AxisAlignedBox2 a, Real rotation)
{
quad(a.minVector, a.maxVector, new Vector2(0.5f, 0.5f), rotation);
}
public void quad(AxisAlignedBox2 a)
{
quad(a.minVector, a.maxVector, new Vector2(0.5f, 0.5f), _state.rotation);
}
/// <summary>
/// Tests whether this ray intersects the given box.
/// </summary>
/// <param name="box"></param>
/// <returns>
/// Struct containing info on whether there was a hit, and the distance from the
/// origin of this ray where the intersect happened.
/// </returns>
public IntersectResult Intersects(AxisAlignedBox2 box)
{
return(Utility.Intersects(this, box));
}
public virtual void source(AxisAlignedBox2 src)
{
verifyBegin();
_state.source = src;
}
