public override bool AddTile(GameTexture tex, float x, float y, int srcX, int srcY, int srcW, int srcH)
{
var platformTex = tex?.GetTexture();
if (platformTex == null)
{
return(false);
}
if (Texture == null)
{
Texture = tex;
}
else if (Texture.GetTexture() != platformTex)
{
return(false);
}
if (vertexBuffer != null)
{
return(false);
}
var rotated = false;
var pack = tex.GetTexturePackFrame();
if (pack != null)
{
if (pack.Rotated)
{
rotated = true;
var z = srcX;
srcX = pack.Rect.Right - srcY - srcH;
srcY = pack.Rect.Top + z;
z = srcW;
srcW = srcH;
srcH = z;
}
else
{
srcX += pack.Rect.X;
srcY += pack.Rect.Y;
}
}
var texture = (Texture2D)tex.GetTexture();
var textureSizeX = 1f / texture.Width;
var textureSizeY = 1f / texture.Height;
var left = srcX * textureSizeX;
var right = (srcX + srcW) * textureSizeX;
var bottom = (srcY + srcH) * textureSizeY;
var top = srcY * textureSizeY;
verticeDict.Add(new Tuple <float, float>(x, y), vertices.Count);
if (rotated)
{
vertices.Add(new VertexPositionTexture(new Vector3(x, y + srcH, 0), new Vector2(left, top)));
vertices.Add(new VertexPositionTexture(new Vector3(x, y, 0), new Vector2(right, top)));
vertices.Add(new VertexPositionTexture(new Vector3(x + srcW, y + srcH, 0), new Vector2(left, bottom)));
vertices.Add(new VertexPositionTexture(new Vector3(x + srcW, y, 0), new Vector2(right, bottom)));
}
else
{
vertices.Add(new VertexPositionTexture(new Vector3(x, y + srcH, 0), new Vector2(left, bottom)));
vertices.Add(new VertexPositionTexture(new Vector3(x, y, 0), new Vector2(left, top)));
vertices.Add(new VertexPositionTexture(new Vector3(x + srcW, y + srcH, 0), new Vector2(right, bottom)));
vertices.Add(new VertexPositionTexture(new Vector3(x + srcW, y, 0), new Vector2(right, top)));
}
indices.Add((short)vertexCount);
indices.Add((short)(vertexCount + 1));
indices.Add((short)(vertexCount + 2));
indices.Add((short)(vertexCount + 2));
indices.Add((short)(vertexCount + 1));
indices.Add((short)(vertexCount + 3));
vertexCount += 4;
return(true);
}
public override void DrawTexture(
GameTexture tex,
float sx,
float sy,
float sw,
float sh,
float tx,
float ty,
float tw,
float th,
Color renderColor,
GameRenderTexture renderTarget = null,
GameBlendModes blendMode = GameBlendModes.None,
GameShader shader = null,
float rotationDegrees = 0,
bool isUi = false,
bool drawImmediate = false
)
{
var texture = tex?.GetTexture();
if (texture == null)
{
return;
}
var packRotated = false;
var pack = tex.GetTexturePackFrame();
if (pack != null)
{
if (pack.Rotated)
{
rotationDegrees -= 90;
var z = tw;
tw = th;
th = z;
z = sx;
sx = pack.Rect.Right - sy - sh;
sy = pack.Rect.Top + z;
z = sw;
sw = sh;
sh = z;
packRotated = true;
}
else
{
sx += pack.Rect.X;
sy += pack.Rect.Y;
}
}
var origin = Vector2.Zero;
if (Math.Abs(rotationDegrees) > 0.01)
{
rotationDegrees = (float)(Math.PI / 180 * rotationDegrees);
origin = new Vector2(sw / 2f, sh / 2f);
//TODO: Optimize in terms of memory AND performance.
var pnt = new Pointf(0, 0);
var pnt1 = new Pointf((float)tw, 0);
var pnt2 = new Pointf(0, (float)th);
var cntr = new Pointf((float)tw / 2, (float)th / 2);
var pntMod = Rotate(pnt, cntr, rotationDegrees);
var pntMod2 = Rotate(pnt1, cntr, rotationDegrees);
var pntMod3 = Rotate(pnt2, cntr, rotationDegrees);
var width = (int)Math.Round(GetDistance(pntMod.X, pntMod.Y, pntMod2.X, pntMod2.Y));
var height = (int)Math.Round(GetDistance(pntMod.X, pntMod.Y, pntMod3.X, pntMod3.Y));
if (packRotated)
{
var z = width;
width = height;
height = z;
}
tx += width / 2f;
ty += height / 2f;
}
if (renderTarget == null)
{
if (isUi)
{
tx += mCurrentView.X;
ty += mCurrentView.Y;
}
StartSpritebatch(mCurrentView, blendMode, shader, null, false, null, drawImmediate);
mSpriteBatch.Draw(
(Texture2D)texture, new Vector2(tx, ty), new XNARectangle((int)sx, (int)sy, (int)sw, (int)sh),
ConvertColor(renderColor), rotationDegrees, origin, new Vector2(tw / sw, th / sh),
SpriteEffects.None, 0
);
}
else
{
StartSpritebatch(
new FloatRect(0, 0, renderTarget.GetWidth(), renderTarget.GetHeight()), blendMode, shader,
renderTarget, false, null, drawImmediate
);
mSpriteBatch.Draw(
(Texture2D)texture, new Vector2(tx, ty), new XNARectangle((int)sx, (int)sy, (int)sw, (int)sh),
ConvertColor(renderColor), rotationDegrees, origin, new Vector2(tw / sw, th / sh),
SpriteEffects.None, 0
);
}
}
public override bool UpdateTile(GameTexture tex, float x, float y, int srcX, int srcY, int srcW, int srcH)
{
var key = new Tuple <float, float>(x, y);
var vertexIndex = -1;
if (verticeDict.ContainsKey(key))
{
vertexIndex = verticeDict[key];
}
if (vertexIndex == -1)
{
return(false);
}
var platformTex = tex?.GetTexture();
if (platformTex == null)
{
return(false);
}
if (tex == null)
{
return(false);
}
if (tex.GetTexture() != platformTex)
{
return(false);
}
if (vertexBuffer == null)
{
return(false);
}
var pack = tex.GetTexturePackFrame();
var rotated = false;
if (pack != null)
{
if (pack.Rotated)
{
rotated = true;
var z = srcX;
srcX = pack.Rect.Right - srcY - srcH;
srcY = pack.Rect.Top + z;
z = srcW;
srcW = srcH;
srcH = z;
}
else
{
srcX += pack.Rect.X;
srcY += pack.Rect.Y;
}
}
var texture = (Texture2D)tex.GetTexture();
var textureSizeX = 1f / texture.Width;
var textureSizeY = 1f / texture.Height;
var left = srcX * textureSizeX;
var right = (srcX + srcW) * textureSizeX;
var bottom = (srcY + srcH) * textureSizeY;
var top = srcY * textureSizeY;
if (rotated)
{
vertices[vertexIndex++] = new VertexPositionTexture(
new Vector3(x, y + srcH, 0), new Vector2(left, top)
);
vertices[vertexIndex++] = new VertexPositionTexture(new Vector3(x, y, 0), new Vector2(right, top));
vertices[vertexIndex++] = new VertexPositionTexture(
new Vector3(x + srcW, y + srcH, 0), new Vector2(left, bottom)
);
vertices[vertexIndex] = new VertexPositionTexture(
new Vector3(x + srcW, y, 0), new Vector2(right, bottom)
);
}
else
{
vertices[vertexIndex++] = new VertexPositionTexture(
new Vector3(x, y + srcH, 0), new Vector2(left, bottom)
);
vertices[vertexIndex++] = new VertexPositionTexture(new Vector3(x, y, 0), new Vector2(left, top));
vertices[vertexIndex++] = new VertexPositionTexture(
new Vector3(x + srcW, y + srcH, 0), new Vector2(right, bottom)
);
vertices[vertexIndex] = new VertexPositionTexture(new Vector3(x + srcW, y, 0), new Vector2(right, top));
}
updatesPending = true;
return(true);
}