public void SetViewportParams(int2 scroll, float zoom)
{
// In HiDPI windows we follow Apple's convention of defining window coordinates as for standard resolution windows
// but to have a higher resolution backing surface with more than 1 texture pixel per viewport pixel.
// We must convert the surface buffer size to a viewport size - in general this is NOT just the window size
// rounded to the next power of two, as the NextPowerOf2 calculation is done in the surface pixel coordinates
var scale = Window.WindowScale;
var surfaceBufferSize = Window.SurfaceSize.NextPowerOf2();
var bufferSize = new Size((int)(surfaceBufferSize.Width / scale), (int)(surfaceBufferSize.Height / scale));
// PERF: Calling SetViewportParams on each renderer is slow. Only call it when things change.
// If zoom evaluates as different due to floating point weirdness that's OK, it will be going away soon
if (lastBufferSize != bufferSize || lastScroll != scroll || lastZoom != zoom)
{
if (lastBufferSize != bufferSize)
{
SpriteRenderer.SetViewportParams(bufferSize, 0f, 0f, 1f, int2.Zero);
}
WorldSpriteRenderer.SetViewportParams(bufferSize, depthScale, depthOffset, zoom, scroll);
WorldModelRenderer.SetViewportParams(bufferSize, zoom, scroll);
lastBufferSize = bufferSize;
lastScroll = scroll;
lastZoom = zoom;
}
}
public void BeginWorld(Rectangle worldViewport)
{
if (renderType != RenderType.None)
{
throw new InvalidOperationException("BeginWorld called with renderType = {0}, expected RenderType.None.".F(renderType));
}
BeginFrame();
var worldBufferSize = worldViewport.Size.NextPowerOf2();
if (worldSprite == null || worldSprite.Sheet.Size != worldBufferSize)
{
if (worldBuffer != null)
{
worldBuffer.Dispose();
}
// Render the world into a framebuffer at 1:1 scaling to allow the depth buffer to match the artwork at all zoom levels
worldBuffer = Context.CreateFrameBuffer(worldBufferSize);
// Pixel art scaling mode is a customized bilinear sampling
worldBuffer.Texture.ScaleFilter = TextureScaleFilter.Linear;
}
if (worldSprite == null || worldViewport.Size != worldSprite.Bounds.Size)
{
var worldSheet = new Sheet(SheetType.BGRA, worldBuffer.Texture);
worldSprite = new Sprite(worldSheet, new Rectangle(int2.Zero, worldViewport.Size), TextureChannel.RGBA);
}
worldBuffer.Bind();
if (worldBufferSize != lastWorldBufferSize || lastWorldViewport != worldViewport)
{
var depthScale = worldBufferSize.Height / (worldBufferSize.Height + depthMargin);
WorldSpriteRenderer.SetViewportParams(worldBufferSize, depthScale, depthScale / 2, worldViewport.Location);
WorldModelRenderer.SetViewportParams(worldBufferSize, worldViewport.Location);
lastWorldViewport = worldViewport;
lastWorldBufferSize = worldBufferSize;
}
renderType = RenderType.World;
}
public void BeginWorld(Rectangle worldViewport)
{
if (renderType != RenderType.None)
{
throw new InvalidOperationException($"BeginWorld called with renderType = {renderType}, expected RenderType.None.");
}
BeginFrame();
if (worldSheet == null)
{
throw new InvalidOperationException($"BeginWorld called before SetMaximumViewportSize has been set.");
}
if (worldSprite == null || worldViewport.Size != lastWorldViewportSize)
{
// Downscale world rendering if needed to fit within the framebuffer
var vw = worldViewport.Size.Width;
var vh = worldViewport.Size.Height;
var bw = worldSheet.Size.Width;
var bh = worldSheet.Size.Height;
worldDownscaleFactor = 1;
while (vw / worldDownscaleFactor > bw || vh / worldDownscaleFactor > bh)
{
worldDownscaleFactor++;
}
var s = new Size(vw / worldDownscaleFactor, vh / worldDownscaleFactor);
worldSprite = new Sprite(worldSheet, new Rectangle(int2.Zero, s), TextureChannel.RGBA);
lastWorldViewportSize = worldViewport.Size;
}
worldBuffer.Bind();
if (lastWorldViewport != worldViewport)
{
WorldSpriteRenderer.SetViewportParams(worldSheet.Size, worldDownscaleFactor, depthMargin, worldViewport.Location);
WorldModelRenderer.SetViewportParams(worldSheet.Size, worldViewport.Location);
lastWorldViewport = worldViewport;
}
renderType = RenderType.World;
}
public void SetViewportParams(int2 scroll, float zoom)
{
// PERF: Calling SetViewportParams on each renderer is slow. Only call it when things change.
var resolutionChanged = lastResolution != Resolution;
if (resolutionChanged)
{
lastResolution = Resolution;
SpriteRenderer.SetViewportParams(lastResolution, 0f, 0f, 1f, int2.Zero);
}
// If zoom evaluates as different due to floating point weirdness that's OK, setting the parameters again is harmless.
if (resolutionChanged || lastScroll != scroll || lastZoom != zoom)
{
lastScroll = scroll;
lastZoom = zoom;
WorldSpriteRenderer.SetViewportParams(lastResolution, depthScale, depthOffset, zoom, scroll);
WorldModelRenderer.SetViewportParams(lastResolution, zoom, scroll);
}
}
/// <summary>
///
/// </summary>
/// <param name="scroll"></param>
/// <param name="zoom"></param>
public void SetViewportParams(Int2 scroll, float zoom)
{
var resolutionChanged = lastResolution != Resolution;
if (resolutionChanged)
{
lastResolution = Resolution;
RgbaSpriteRenderer.SetViewportParams(Resolution, 0f, 0f, 1f, Int2.Zero);
SpriteRenderer.SetViewportParams(Resolution, 0f, 0f, 1f, Int2.Zero);
RgbaColorRenderer.SetViewportParams(Resolution, 0f, 0f, 1f, Int2.Zero);
}
//If zoom evaluates as different due to floating point weirdness that's ok,setting the parameters again is harmless.
if (resolutionChanged || lastScroll != scroll || lastZoom != zoom)
{
lastScroll = scroll;
lastZoom = zoom;
WorldRgbaSpriteRenderer.SetViewportParams(Resolution, depthScale, depthOffset, zoom, scroll);
WorldSpriteRenderer.SetViewportParams(Resolution, depthScale, depthOffset, zoom, scroll);
WorldModelRenderer.SetViewportParams(Resolution, zoom, scroll);
WorldRgbaColorRenderer.SetViewportParams(Resolution, depthScale, depthOffset, zoom, scroll);
}
}