public void AddVertex(Vector2 vertex, Color color, PrimitiveType primitiveType)
{
Insist.IsTrue(_hasBegun, "Invalid state. Begin must be called before AddVertex can be called.");
Insist.IsFalse(primitiveType == PrimitiveType.LineStrip || primitiveType == PrimitiveType.TriangleStrip,
"The specified primitiveType is not supported by PrimitiveBatch");
if (primitiveType == PrimitiveType.TriangleList)
{
if (_triangleVertsCount >= _triangleVertices.Length)
{
FlushTriangles();
}
_triangleVertices[_triangleVertsCount].Position = new Vector3(vertex, 0);
_triangleVertices[_triangleVertsCount].Color = color;
_triangleVertsCount++;
}
if (primitiveType == PrimitiveType.LineList)
{
if (_lineVertsCount >= _lineVertices.Length)
{
FlushLines();
}
_lineVertices[_lineVertsCount].Position = new Vector3(vertex, 0);
_lineVertices[_lineVertsCount].Color = color;
_lineVertsCount++;
}
}
/// <summary>
/// adds an Entity to the Scene's Entities list
/// </summary>
/// <param name="entity">The Entity to add</param>
public T AddEntity <T>(T entity) where T : Entity
{
Insist.IsFalse(Entities.Contains(entity), "You are attempting to add the same entity to a scene twice: {0}", entity);
Entities.Add(entity);
entity.Scene = this;
return(entity);
}
/// <summary>
/// sets up the deadzone centered in the current cameras bounds with the given size
/// </summary>
/// <param name="width">Width.</param>
/// <param name="height">Height.</param>
public void SetCenteredDeadzone(int width, int height)
{
Insist.IsFalse(Camera == null, "camera is null. We cant get its bounds if its null. Either set it or wait until after this Component is added to the Entity.");
var cameraBounds = Camera.Bounds;
Deadzone = new RectangleF((cameraBounds.Width - width) / 2, (cameraBounds.Height - height) / 2, width, height);
}
/// <summary>
/// Begin is called to tell the PrimitiveBatch what kind of primitives will be drawn, and to prepare the graphics card to render those primitives.
/// Use camera.projectionMatrix and camera.transformMatrix if the batch should be in camera space.
/// </summary>
/// <param name="projection">The projection.</param>
/// <param name="view">The view.</param>
public void Begin(ref Matrix projection, ref Matrix view)
{
Insist.IsFalse(_hasBegun, "Invalid state. End must be called before Begin can be called again.");
// tell our basic effect to begin.
_basicEffect.Projection = projection;
_basicEffect.View = view;
_basicEffect.CurrentTechnique.Passes[0].Apply();
// flip the error checking boolean. It's now ok to call AddVertex, Flush, and End.
_hasBegun = true;
}
/// <summary>
/// Create a new empty bit set, with a given size. This
/// constructor reserves enough space to represent the integers
/// from <code>0</code> to <code>nbits-1</code>.
/// </summary>
/// <param name="nbits">nbits the initial size of the bit set</param>
public BitSet(int nbits)
{
Insist.IsFalse(nbits < 0, "nbits may not be negative");
var length = (uint)nbits >> 6;
if ((nbits & LONG_MASK) != 0)
{
length++;
}
bits = new long[length];
}
/// <summary>
/// Submit a text string of sprites for drawing in the current batch.
/// </summary>
/// <param name="batcher">Batcher.</param>
/// <param name="font">Font.</param>
/// <param name="text">Text.</param>
/// <param name="position">Position.</param>
/// <param name="color">Color.</param>
/// <param name="rotation">Rotation.</param>
/// <param name="origin">Origin.</param>
/// <param name="scale">Scale.</param>
/// <param name="effects">Effects.</param>
/// <param name="layerDepth">Layer depth.</param>
public static void DrawString(this Batcher batcher, IFont font, StringBuilder text, Vector2 position, Color color,
float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth)
{
Insist.IsFalse(text == null);
if (text.Length == 0)
{
return;
}
font.DrawInto(batcher, text, position, color, rotation, origin, scale, effects, layerDepth);
}
/// <summary>
/// adds an Entity to the Scene's Entities list
/// </summary>
/// <param name="entity">The Entity to add</param>
public Entity AddEntity(Entity entity)
{
Insist.IsFalse(Entities.Contains(entity), "You are attempting to add the same entity to a scene twice: {0}", entity);
Entities.Add(entity);
entity.Scene = this;
for (var i = 0; i < entity.Transform.ChildCount; i++)
{
AddEntity(entity.Transform.GetChild(i).Entity);
}
return(entity);
}
void AddToRenderLayerList(IRenderable component, int renderLayer)
{
var list = ComponentsWithRenderLayer(renderLayer);
Insist.IsFalse(list.Contains(component), "Component renderLayer list already contains this component");
list.Add(component);
if (!_unsortedRenderLayers.Contains(renderLayer))
{
_unsortedRenderLayers.Add(renderLayer);
}
_componentsNeedSort = true;
}
public static void DrawString(this Batcher batcher, NezSpriteFont spriteFont, string text, Vector2 position, Color color, float rotation,
Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth)
{
Insist.IsFalse(text == null);
if (text.Length == 0)
{
return;
}
var source = new FontCharacterSource(text);
spriteFont.DrawInto(batcher, ref source, position, color, rotation, origin, scale, effects, layerDepth);
}
public void Begin(BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, RasterizerState rasterizerState,
Effect effect, Matrix transformationMatrix, bool disableBatching)
{
Insist.IsFalse(_beginCalled, "Begin has been called before calling End after the last call to Begin. Begin cannot be called again until End has been successfully called.");
_beginCalled = true;
_blendState = blendState ?? BlendState.AlphaBlend;
_samplerState = samplerState ?? Core.DefaultSamplerState;
_depthStencilState = depthStencilState ?? DepthStencilState.None;
_rasterizerState = rasterizerState ?? RasterizerState.CullCounterClockwise;
_customEffect = effect;
_transformMatrix = transformationMatrix;
_disableBatching = disableBatching;
if (_disableBatching)
{
PrepRenderState();
}
}
/// <summary>
/// gets all the colliders that fall within the specified circle
/// </summary>
/// <returns>the number of Colliders returned</returns>
/// <param name="center">Center.</param>
/// <param name="radius">Radius.</param>
/// <param name="results">Results.</param>
/// <param name="layerMask">Layer mask.</param>
public static int OverlapCircleAll(Vector2 center, float radius, Collider[] results, int layerMask = AllLayers)
{
Insist.IsFalse(results.Length == 0,
"An empty results array was passed in. No results will ever be returned.");
return(_spatialHash.OverlapCircle(center, radius, results, layerMask));
}
/// <summary>
/// gets all the colliders that fall within the specified rect
/// </summary>
/// <returns>the number of Colliders returned</returns>
/// <param name="rect">Rect.</param>
/// <param name="results">Results.</param>
/// <param name="layerMask">Layer mask.</param>
public static int OverlapRectangleAll(ref RectangleF rect, Collider[] results, int layerMask = AllLayers)
{
Insist.IsFalse(results.Length == 0,
"An empty results array was passed in. No results will ever be returned.");
return(_spatialHash.OverlapRectangle(ref rect, results, layerMask));
}
/// <summary>
/// casts a line through the spatial hash and fills the hits array up with any colliders that the line hits
/// </summary>
/// <returns>The all.</returns>
/// <param name="start">Start.</param>
/// <param name="end">End.</param>
/// <param name="hits">Hits.</param>
/// <param name="layerMask">Layer mask.</param>
public static int LinecastAll(Vector2 start, Vector2 end, RaycastHit[] hits, int layerMask = AllLayers)
{
Insist.IsFalse(hits.Length == 0, "An empty hits array was passed in. No hits will ever be returned.");
return(_spatialHash.Linecast(start, end, hits, layerMask));
}