public virtual bool Draw(SpriteBatch3D spriteBatch, Vector3 drawPosition, MouseOverList mouseOverList, Map map)
{
VertexPositionNormalTextureHue[] vertexBuffer;
if (Rotation != 0)
{
Vector3 center = drawPosition - new Vector3(DrawArea.X - World.WorldViews.IsometricRenderer.TileSizeI + DrawArea.Width / 2, DrawArea.Y + DrawArea.Height / 2, 0);
float sinx = (float)System.Math.Sin(Rotation) * DrawArea.Width / 2f;
float cosx = (float)System.Math.Cos(Rotation) * DrawArea.Width / 2f;
float siny = (float)System.Math.Sin(Rotation) * -DrawArea.Height / 2f;
float cosy = (float)System.Math.Cos(Rotation) * -DrawArea.Height / 2f;
// 2 0
// |\ |
// | \|
// 3 1
vertexBuffer = VertexPositionNormalTextureHue.PolyBufferFlipped;
vertexBuffer[0].Position = center;
vertexBuffer[0].Position.X += cosx - -siny;
vertexBuffer[0].Position.Y -= sinx + -cosy;
vertexBuffer[1].Position = center;
vertexBuffer[1].Position.X += cosx - siny;
vertexBuffer[1].Position.Y += -sinx + -cosy;
vertexBuffer[2].Position = center;
vertexBuffer[2].Position.X += -cosx - -siny;
vertexBuffer[2].Position.Y += sinx + cosy;
vertexBuffer[3].Position = center;
vertexBuffer[3].Position.X += -cosx - siny;
vertexBuffer[3].Position.Y += sinx + -cosy;
}
else
{
if (DrawFlip)
{
// 2 0
// |\ |
// | \|
// 3 1
vertexBuffer = VertexPositionNormalTextureHue.PolyBufferFlipped;
vertexBuffer[0].Position = drawPosition;
vertexBuffer[0].Position.X += DrawArea.X + World.WorldViews.IsometricRenderer.TileSizeF;
vertexBuffer[0].Position.Y -= DrawArea.Y;
vertexBuffer[1].Position = vertexBuffer[0].Position;
vertexBuffer[1].Position.Y += DrawArea.Height;
vertexBuffer[2].Position = vertexBuffer[0].Position;
vertexBuffer[2].Position.X -= DrawArea.Width;
vertexBuffer[3].Position = vertexBuffer[1].Position;
vertexBuffer[3].Position.X -= DrawArea.Width;
}
else
{
// 0---1
// /
// /
// 2---3
vertexBuffer = VertexPositionNormalTextureHue.PolyBuffer;
vertexBuffer[0].Position = drawPosition;
vertexBuffer[0].Position.X -= DrawArea.X;
vertexBuffer[0].Position.Y -= DrawArea.Y;
vertexBuffer[1].Position = vertexBuffer[0].Position;
vertexBuffer[1].Position.X += DrawArea.Width;
vertexBuffer[2].Position = vertexBuffer[0].Position;
vertexBuffer[2].Position.Y += DrawArea.Height;
vertexBuffer[3].Position = vertexBuffer[1].Position;
vertexBuffer[3].Position.Y += DrawArea.Height;
}
}
if (vertexBuffer[0].Hue != HueVector)
vertexBuffer[0].Hue = vertexBuffer[1].Hue = vertexBuffer[2].Hue = vertexBuffer[3].Hue = HueVector;
if (!spriteBatch.Draw(DrawTexture, vertexBuffer, s_Technique))
{
return false;
}
Pick(mouseOverList, vertexBuffer);
return true;
}
private bool Draw3DStretched(SpriteBatch3D spriteBatch, Vector3 drawPosition, MouseOverList mouseOverList, Map map)
{
// this is an isometric stretched tile and needs a specialized draw routine.
m_vertexBufferAlternate[0].Position = drawPosition + m_vertex0_yOffset;
m_vertexBufferAlternate[1].Position = drawPosition + m_vertex1_yOffset;
m_vertexBufferAlternate[2].Position = drawPosition + m_vertex2_yOffset;
m_vertexBufferAlternate[3].Position = drawPosition + m_vertex3_yOffset;
if (!spriteBatch.Draw(DrawTexture, m_vertexBufferAlternate, s_Technique))
return false;
if ((mouseOverList.PickType & PickType) == PickType)
{
if (mouseOverList.IsMouseInObjectIsometric(m_vertexBufferAlternate))
{
MouseOverItem item = new MouseOverItem(DrawTexture, m_vertexBufferAlternate[0].Position, Entity);
item.Vertices = new Vector3[4] { m_vertexBufferAlternate[0].Position, m_vertexBufferAlternate[1].Position, m_vertexBufferAlternate[2].Position, m_vertexBufferAlternate[3].Position };
mouseOverList.Add2DItem(item);
}
}
return true;
}
