private PixelData RenderToTexture(int width, int height, Action <Canvas> renderMethod)
{
PixelData pixelData;
using (Texture texture = new Texture(width, height, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Nearest, TextureMinFilter.Nearest))
using (RenderTarget renderTarget = new RenderTarget(AAQuality.Off, true, texture))
using (DrawDevice device = new DrawDevice())
{
device.Projection = ProjectionMode.Screen;
device.VisibilityMask = VisibilityFlag.AllGroups | VisibilityFlag.ScreenOverlay;
device.Target = renderTarget;
device.TargetSize = renderTarget.Size;
device.ViewportRect = new Rect(renderTarget.Size);
device.PrepareForDrawcalls();
{
Canvas canvas = new Canvas();
canvas.Begin(device);
renderMethod(canvas);
canvas.End();
}
device.Render();
pixelData = texture.GetPixelData();
}
return(pixelData);
}
private PixelData RenderToTexture(int width, int height, Action <Canvas> renderMethod)
{
PixelData pixelData;
using (Texture texture = new Texture(width, height, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Nearest, TextureMinFilter.Nearest))
using (RenderTarget renderTarget = new RenderTarget(AAQuality.Off, texture))
using (DrawDevice device = new DrawDevice())
{
device.Perspective = PerspectiveMode.Flat;
device.VisibilityMask = VisibilityFlag.AllGroups | VisibilityFlag.ScreenOverlay;
device.RenderMode = RenderMatrix.OrthoScreen;
device.Target = renderTarget;
device.ViewportRect = new Rect(renderTarget.Width, renderTarget.Height);
device.PrepareForDrawcalls();
{
Canvas canvas = new Canvas(device);
renderMethod(canvas);
}
device.Render(ClearFlag.All, ColorRgba.TransparentBlack, 1.0f);
pixelData = texture.GetPixelData();
}
return(pixelData);
}
private void RenderableControl_Paint(object sender, PaintEventArgs e)
{
if (DualityApp.ExecContext == DualityApp.ExecutionContext.Terminated)
{
return;
}
if (DualityApp.GraphicsBackend == null)
{
return;
}
// Retrieve OpenGL context
try { this.graphicsControl.MakeCurrent(); } catch (Exception) { return; }
// Perform rendering
Size size = graphicsControl.Control.ClientSize;
device.TargetSize = new Vector2(size.Width, size.Height);
device.ViewportRect = new Rect(device.TargetSize);
device.PrepareForDrawcalls();
canvas.Begin(device);
this.OnRender(canvas);
canvas.End();
device.Render();
// Make sure the rendered result ends up on screen
this.graphicsControl.SwapBuffers();
}
private void Blit(DrawDevice device, BatchInfo source, RenderTarget target, Vector2 targetSize, Rect viewportRect)
{
device.Target = target;
device.TargetSize = targetSize;
device.ViewportRect = viewportRect;
device.PrepareForDrawcalls();
device.AddFullscreenQuad(source, TargetResize.Stretch);
device.Render();
}
public static void Blit(this RenderSetup renderSetup, DrawDevice device, BatchInfo source, Rect screenRect)
{
device.Target = null;
device.TargetSize = screenRect.Size;
device.ViewportRect = screenRect;
device.PrepareForDrawcalls();
device.AddFullscreenQuad(source, TargetResize.Stretch);
device.Render();
}
/// <summary>
/// Called to process the specified <see cref="RenderStep"/>.
/// </summary>
/// <param name="step"></param>
/// <param name="drawDevice"></param>
protected virtual void OnRenderSingleStep(RenderStep step, Scene scene, DrawDevice drawDevice)
{
drawDevice.PrepareForDrawcalls();
if (step.Input == null)
{
this.CollectDrawcalls(step, scene, drawDevice);
}
else
{
drawDevice.AddFullscreenQuad(step.Input, step.InputResize);
}
drawDevice.Render();
}
[Test] public void RenderAndDispose()
{
PixelData pixelData;
// In this test, we'll dispose the render target immediately after using it
// and only retrieve the pixel data from its bound texture later on.
// Since the texture that was rendered to is still alive, this should work.
using (Texture texture = new Texture(8, 8, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Nearest, TextureMinFilter.Nearest))
{
using (RenderTarget renderTarget = new RenderTarget(AAQuality.High, false, texture))
using (DrawDevice device = new DrawDevice())
{
device.Projection = ProjectionMode.Screen;
device.VisibilityMask = VisibilityFlag.AllGroups | VisibilityFlag.ScreenOverlay;
device.Target = renderTarget;
device.TargetSize = renderTarget.Size;
device.ViewportRect = new Rect(renderTarget.Size);
device.PrepareForDrawcalls();
device.AddVertices(Material.SolidWhite, VertexMode.Quads,
new VertexC1P3 {
Pos = new Vector3(0, 0, 0), Color = ColorRgba.Red
},
new VertexC1P3 {
Pos = new Vector3(0, device.TargetSize.Y, 0), Color = ColorRgba.Red
},
new VertexC1P3 {
Pos = new Vector3(device.TargetSize.X, device.TargetSize.Y, 0), Color = ColorRgba.Red
},
new VertexC1P3 {
Pos = new Vector3(device.TargetSize.X, 0, 0), Color = ColorRgba.Red
});
device.Render();
}
pixelData = texture.GetPixelData();
}
Assert.IsTrue(this.IsFilledWithColor(pixelData, ColorRgba.Red));
}
private void GenerateBackground(Random rng, int width, int height)
{
const int noiseSize = 256;
var starTexture = GeneratePointStarTexture(rng, width, height);
var noiseTexture = GenerateNoise(rng, noiseSize);
if (Nebulae != null && Nebulae.Length > 0)
{
_material = new Material(Shader, ColorRgba.White, starTexture);
using (var renderTarget = new RenderTarget(AAQuality.Off, starTexture))
using (var device = new DrawDevice())
{
device.Perspective = PerspectiveMode.Flat;
device.VisibilityMask = VisibilityFlag.AllGroups | VisibilityFlag.ScreenOverlay;
device.RenderMode = RenderMatrix.OrthoScreen;
device.Target = renderTarget;
device.ViewportRect = new Rect(renderTarget.Width, renderTarget.Height);
device.PrepareForDrawcalls();
var canvas = new Canvas(device);
canvas.State.SetMaterial(_material);
foreach (var n in Nebulae.Select(n => n.Res).Where(n => n != null))
{
_material.SetTexture("source", starTexture);
_material.SetTexture("noise", starTexture);
_material.SetUniform("color", 255f / n.Color.R, 255f / n.Color.G, 255f / n.Color.B);
_material.SetUniform("offset", n.Offset.X, n.Offset.Y);
_material.SetUniform("scale", n.Scale);
_material.SetUniform("density", n.Density);
_material.SetUniform("falloff", n.Falloff);
_material.SetUniform("tNoiseSize", noiseSize);
canvas.DrawRect(0, 0, width, height);
device.Render(ClearFlag.None, ColorRgba.TransparentBlack, 1.0f);
}
}
}
}
private PixelData RenderToTexture(int width, int height, AAQuality antialiasing, Action <IDrawDevice> renderMethod)
{
PixelData pixelData;
using (Texture texture = new Texture(width, height, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Nearest, TextureMinFilter.Nearest))
using (RenderTarget renderTarget = new RenderTarget(antialiasing, false, texture))
using (DrawDevice device = new DrawDevice())
{
device.Projection = ProjectionMode.Screen;
device.VisibilityMask = VisibilityFlag.AllGroups | VisibilityFlag.ScreenOverlay;
device.Target = renderTarget;
device.TargetSize = renderTarget.Size;
device.ViewportRect = new Rect(renderTarget.Size);
device.PrepareForDrawcalls();
renderMethod(device);
device.Render();
pixelData = renderTarget.GetPixelData();
}
return(pixelData);
}
private void RecreateTexturedBackground(TileSet levelTileset, ref TileMapLayer layer)
{
int w = layer.LayoutWidth;
int h = layer.Layout.Length / w;
Texture targetTexture;
if (cachedTexturedBackground.IsAvailable)
{
targetTexture = cachedTexturedBackground.Res;
}
else
{
targetTexture = new Texture(w * 32, h * 32, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Linear, TextureMinFilter.Linear, TextureWrapMode.Repeat, TextureWrapMode.Repeat);
}
using (DrawDevice device = new DrawDevice()) {
device.VisibilityMask = VisibilityFlag.AllFlags;
device.Projection = ProjectionMode.Screen;
using (RenderTarget target = new RenderTarget(AAQuality.Off, false, targetTexture)) {
device.Target = target;
device.TargetSize = new Vector2(w * 32, h * 32);
device.ViewportRect = new Rect(device.TargetSize);
device.PrepareForDrawcalls();
// ToDo
Material material = levelTileset.GetDefaultTile(0).Material.Res;
Texture texture = material.MainTexture.Res;
// Reserve the required space for vertex data in our locally cached buffer
int neededVertices = 4 * w * h;
if (cachedVertices == null || cachedVertices.Length < neededVertices)
{
cachedVertices = new VertexC1P3T2[neededVertices];
}
int vertexIndex = 0;
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
LayerTile tile = layer.Layout[x + y * layer.LayoutWidth];
if (tile.IsAnimated)
{
continue;
}
Point2 offset = tile.MaterialOffset;
bool isFlippedX = tile.IsFlippedX;
bool isFlippedY = tile.IsFlippedY;
Rect uvRect = new Rect(
offset.X * texture.UVRatio.X / texture.ContentWidth,
offset.Y * texture.UVRatio.Y / texture.ContentHeight,
levelTileset.TileSize * texture.UVRatio.X / texture.ContentWidth,
levelTileset.TileSize * texture.UVRatio.Y / texture.ContentHeight
);
if (isFlippedX)
{
uvRect.X += uvRect.W;
uvRect.W *= -1;
}
if (isFlippedY)
{
uvRect.Y += uvRect.H;
uvRect.H *= -1;
}
Vector3 renderPos = new Vector3(x * 32, y * 32, 0);
renderPos.X = MathF.Round(renderPos.X);
renderPos.Y = MathF.Round(renderPos.Y);
if (MathF.RoundToInt(device.TargetSize.X) != (MathF.RoundToInt(device.TargetSize.X) / 2) * 2)
{
renderPos.X += 0.5f;
}
if (MathF.RoundToInt(device.TargetSize.Y) != (MathF.RoundToInt(device.TargetSize.Y) / 2) * 2)
{
renderPos.Y += 0.5f;
}
Vector2 tileXStep = new Vector2(32, 0);
Vector2 tileYStep = new Vector2(0, 32);
cachedVertices[vertexIndex + 0].Pos.X = renderPos.X;
cachedVertices[vertexIndex + 0].Pos.Y = renderPos.Y;
cachedVertices[vertexIndex + 0].Pos.Z = renderPos.Z;
cachedVertices[vertexIndex + 0].TexCoord.X = uvRect.X;
cachedVertices[vertexIndex + 0].TexCoord.Y = uvRect.Y;
cachedVertices[vertexIndex + 0].Color = ColorRgba.White;
cachedVertices[vertexIndex + 1].Pos.X = renderPos.X + tileYStep.X;
cachedVertices[vertexIndex + 1].Pos.Y = renderPos.Y + tileYStep.Y;
cachedVertices[vertexIndex + 1].Pos.Z = renderPos.Z;
cachedVertices[vertexIndex + 1].TexCoord.X = uvRect.X;
cachedVertices[vertexIndex + 1].TexCoord.Y = uvRect.Y + uvRect.H;
cachedVertices[vertexIndex + 1].Color = ColorRgba.White;
cachedVertices[vertexIndex + 2].Pos.X = renderPos.X + tileXStep.X + tileYStep.X;
cachedVertices[vertexIndex + 2].Pos.Y = renderPos.Y + tileXStep.Y + tileYStep.Y;
cachedVertices[vertexIndex + 2].Pos.Z = renderPos.Z;
cachedVertices[vertexIndex + 2].TexCoord.X = uvRect.X + uvRect.W;
cachedVertices[vertexIndex + 2].TexCoord.Y = uvRect.Y + uvRect.H;
cachedVertices[vertexIndex + 2].Color = ColorRgba.White;
cachedVertices[vertexIndex + 3].Pos.X = renderPos.X + tileXStep.X;
cachedVertices[vertexIndex + 3].Pos.Y = renderPos.Y + tileXStep.Y;
cachedVertices[vertexIndex + 3].Pos.Z = renderPos.Z;
cachedVertices[vertexIndex + 3].TexCoord.X = uvRect.X + uvRect.W;
cachedVertices[vertexIndex + 3].TexCoord.Y = uvRect.Y;
cachedVertices[vertexIndex + 3].Color = ColorRgba.White;
vertexIndex += 4;
}
}
device.AddVertices(material, VertexMode.Quads, cachedVertices, 0, vertexIndex);
device.Render();
}
}
cachedTexturedBackground = targetTexture;
}
private void ProcessCombineSceneStep(DrawDevice drawDevice)
{
// ToDo: Split lighting to RGB channels
// ToDo: Implement dynamic lighting/shadows (https://github.com/mattdesl/lwjgl-basics/wiki/2D-Pixel-Perfect-Shadows)
Vector2 viewSize = drawDevice.TargetSize;
Vector2 viewOffset = new Vector2(
drawDevice.RefCoord.X - viewSize.X / 2,
drawDevice.RefCoord.Y - viewSize.Y / 2
);
float ambientLight = levelHandler.AmbientLightCurrent;
float viewWaterLevel = (levelHandler.WaterLevel - viewOffset.Y);
// Blit ambient light color
{
BatchInfo material = drawDevice.RentMaterial();
material.Technique = DrawTechnique.Solid;
material.MainColor = new ColorRgba(ambientLight, 0, 0);
this.Blit(drawDevice, material, lightingTarget);
}
// Render lights (target was set in previous step)
drawDevice.PrepareForDrawcalls();
foreach (GameObject actor in levelHandler.ActiveObjects)
{
LightEmitter light = actor.GetComponent <LightEmitter>();
if (light != null)
{
// World-space to screen-space position transformation
Vector3 pos = actor.Transform.Pos;
pos.X -= viewOffset.X;
pos.Y -= viewOffset.Y;
float left = pos.X - light.RadiusFar;
float top = pos.Y - light.RadiusFar;
float right = pos.X + light.RadiusFar;
float bottom = pos.Y + light.RadiusFar;
if (left < viewSize.X &&
top < viewSize.Y &&
right > 0 &&
bottom > 0)
{
lightBuffer[0].Pos.X = left;
lightBuffer[0].Pos.Y = top;
lightBuffer[1].Pos.X = left;
lightBuffer[1].Pos.Y = bottom;
lightBuffer[2].Pos.X = right;
lightBuffer[2].Pos.Y = bottom;
lightBuffer[3].Pos.X = right;
lightBuffer[3].Pos.Y = top;
// Use TexCoord X & Y for screen-space Light position
lightBuffer[0].TexCoord.X = lightBuffer[1].TexCoord.X = lightBuffer[2].TexCoord.X = lightBuffer[3].TexCoord.X = pos.X;
lightBuffer[0].TexCoord.Y = lightBuffer[1].TexCoord.Y = lightBuffer[2].TexCoord.Y = lightBuffer[3].TexCoord.Y = pos.Y;
// Use TexCoord Z & W for Light radius
lightBuffer[0].TexCoord.Z = lightBuffer[1].TexCoord.Z = lightBuffer[2].TexCoord.Z = lightBuffer[3].TexCoord.Z = light.RadiusNear;
lightBuffer[0].TexCoord.W = lightBuffer[1].TexCoord.W = lightBuffer[2].TexCoord.W = lightBuffer[3].TexCoord.W = light.RadiusFar;
// Use Red channel for Light intensity
lightBuffer[0].Color.R = lightBuffer[1].Color.R = lightBuffer[2].Color.R = lightBuffer[3].Color.R = (byte)(light.Intensity * 255);
// Use Green channel for Light brightness
lightBuffer[0].Color.G = lightBuffer[1].Color.G = lightBuffer[2].Color.G = lightBuffer[3].Color.G = (byte)(light.Brightness * 255);
switch (light.Type)
{
default:
case LightType.Solid:
drawDevice.AddVertices(lightingMaterial, VertexMode.Quads, lightBuffer);
break;
case LightType.WithNoise:
drawDevice.AddVertices(lightingNoiseMaterial, VertexMode.Quads, lightBuffer);
break;
}
}
}
}
drawDevice.Render();
// Resize Blur targets
SetupTargets((Point2)drawDevice.TargetSize);
// Blit it into screen
{
BatchInfo material = drawDevice.RentMaterial();
material.Technique = DrawTechnique.Solid;
material.MainTexture = mainTexture;
this.Blit(drawDevice, material, targetPingPongA[0]);
}
// Downsample to lowest target
for (int i = 1; i < targetPingPongA.Length; i++)
{
BatchInfo material = drawDevice.RentMaterial();
material.Technique = downsampleShader;
material.MainTexture = targetPingPongA[i - 1].Targets[0];
material.SetValue("pixelOffset", new Vector2(1f / material.MainTexture.Res.ContentWidth, 1f / material.MainTexture.Res.ContentHeight));
this.Blit(drawDevice, material, targetPingPongA[i]);
}
// Blur all targets, separating horizontal and vertical blur
for (int i = 0; i < targetPingPongA.Length; i++)
{
BatchInfo material = drawDevice.RentMaterial();
material.Technique = blurShader;
material.MainTexture = targetPingPongA[i].Targets[0];
material.SetValue("blurDirection", new Vector2(1f, 0f));
material.SetValue("pixelOffset", new Vector2(1f / material.MainTexture.Res.ContentWidth, 1f / material.MainTexture.Res.ContentHeight));
this.Blit(drawDevice, material, targetPingPongB[i]);
material.MainTexture = targetPingPongB[i].Targets[0];
material.SetValue("blurDirection", new Vector2(0f, 1f));
material.SetValue("pixelOffset", new Vector2(1f / material.MainTexture.Res.ContentWidth, 1f / material.MainTexture.Res.ContentHeight));
this.Blit(drawDevice, material, targetPingPongA[i]);
}
// Blit it into screen
if (viewWaterLevel < viewSize.Y)
{
// Render lighting with water
BatchInfo material = drawDevice.RentMaterial();
material.Technique = combineSceneWaterShader;
material.SetTexture("mainTex", mainTexture);
material.SetTexture("lightTex", lightingTexture);
material.SetTexture("displacementTex", noiseTexture); // Underwater displacement
material.SetTexture("blurHalfTex", targetPingPongA[1].Targets[0]);
material.SetTexture("blurQuarterTex", targetPingPongA[2].Targets[0]);
material.SetValue("ambientLight", ambientLight);
material.SetValue("darknessColor", levelHandler.DarknessColor);
material.SetValue("waterLevel", viewWaterLevel / viewSize.Y);
this.Blit(drawDevice, material, finalTarget);
}
else
{
// Render lighting without water
BatchInfo material = drawDevice.RentMaterial();
material.Technique = combineSceneShader;
material.SetTexture("mainTex", mainTexture);
material.SetTexture("lightTex", lightingTexture);
material.SetTexture("blurHalfTex", targetPingPongA[1].Targets[0]);
material.SetTexture("blurQuarterTex", targetPingPongA[2].Targets[0]);
material.SetValue("ambientLight", ambientLight);
material.SetValue("darknessColor", levelHandler.DarknessColor);
this.Blit(drawDevice, material, finalTarget);
}
}
private void RecreateTexturedBackground(ref TileMapLayer layer)
{
int w = layer.LayoutWidth;
int h = layer.Layout.Length / w;
cachedTexturedBackgroundAnimated = false;
Texture renderTarget;
if (cachedTexturedBackground != null)
{
renderTarget = cachedTexturedBackground.Res;
}
else
{
renderTarget = new Texture(w * 32, h * 32, TextureSizeMode.NonPowerOfTwo, TextureMagFilter.Linear, TextureMinFilter.Linear, TextureWrapMode.Repeat, TextureWrapMode.Repeat);
switch (layer.BackgroundStyle)
{
case BackgroundStyle.Sky:
default:
texturedBackgroundShader = ContentResolver.Current.RequestShader("TexturedBackground");
break;
case BackgroundStyle.Circle:
texturedBackgroundShader = ContentResolver.Current.RequestShader("TexturedBackgroundCircle");
break;
}
}
using (DrawDevice device = new DrawDevice()) {
device.VisibilityMask = VisibilityFlag.AllFlags;
device.RenderMode = RenderMatrix.ScreenSpace;
device.Target = new RenderTarget(AAQuality.Off, false, renderTarget);
device.TargetSize = new Vector2(w * 32, h * 32);
device.ViewportRect = new Rect(device.TargetSize);
device.PrepareForDrawcalls();
Material material = null;
Texture texture = null;
// Reserve the required space for vertex data in our locally cached buffer
int neededVertices = 4 * w * h;
VertexC1P3T2[] vertexData = new VertexC1P3T2[neededVertices];
int vertexBaseIndex = 0;
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
LayerTile tile = layer.Layout[x + y * layer.LayoutWidth];
Point2 offset;
bool isFlippedX, isFlippedY;
if (tile.IsAnimated)
{
if (tile.TileID < animatedTiles.Count)
{
offset = animatedTiles[tile.TileID].CurrentTile.MaterialOffset;
isFlippedX = (animatedTiles[tile.TileID].CurrentTile.IsFlippedX != tile.IsFlippedX);
isFlippedY = (animatedTiles[tile.TileID].CurrentTile.IsFlippedY != tile.IsFlippedY);
cachedTexturedBackgroundAnimated = true;
}
else
{
continue;
}
}
else
{
offset = tile.MaterialOffset;
isFlippedX = tile.IsFlippedX;
isFlippedY = tile.IsFlippedY;
}
if (material != tile.Material)
{
// Submit all the vertices as one draw batch
device.AddVertices(
material,
VertexMode.Quads,
vertexData,
0,
vertexBaseIndex);
vertexBaseIndex = 0;
material = tile.Material.Res;
texture = material.MainTexture.Res;
}
Rect uvRect = new Rect(
offset.X * texture.UVRatio.X / texture.ContentWidth,
offset.Y * texture.UVRatio.Y / texture.ContentHeight,
tileset.TileSize * texture.UVRatio.X / texture.ContentWidth,
tileset.TileSize * texture.UVRatio.Y / texture.ContentHeight
);
if (isFlippedX)
{
uvRect.X += uvRect.W;
uvRect.W *= -1;
}
if (isFlippedY)
{
uvRect.Y += uvRect.H;
uvRect.H *= -1;
}
Vector3 renderPos = new Vector3(x * 32, y * 32, 0);
float scale = 1.0f;
device.PreprocessCoords(ref renderPos, ref scale);
renderPos.X = MathF.Round(renderPos.X);
renderPos.Y = MathF.Round(renderPos.Y);
if (MathF.RoundToInt(device.TargetSize.X) != (MathF.RoundToInt(device.TargetSize.X) / 2) * 2)
{
renderPos.X += 0.5f;
}
if (MathF.RoundToInt(device.TargetSize.Y) != (MathF.RoundToInt(device.TargetSize.Y) / 2) * 2)
{
renderPos.Y += 0.5f;
}
Vector2 tileXStep = new Vector2(32, 0);
Vector2 tileYStep = new Vector2(0, 32);
vertexData[vertexBaseIndex + 0].Pos.X = renderPos.X;
vertexData[vertexBaseIndex + 0].Pos.Y = renderPos.Y;
vertexData[vertexBaseIndex + 0].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 0].TexCoord.X = uvRect.X;
vertexData[vertexBaseIndex + 0].TexCoord.Y = uvRect.Y;
vertexData[vertexBaseIndex + 0].Color = ColorRgba.White;
vertexData[vertexBaseIndex + 1].Pos.X = renderPos.X + tileYStep.X;
vertexData[vertexBaseIndex + 1].Pos.Y = renderPos.Y + tileYStep.Y;
vertexData[vertexBaseIndex + 1].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 1].TexCoord.X = uvRect.X;
vertexData[vertexBaseIndex + 1].TexCoord.Y = uvRect.Y + uvRect.H;
vertexData[vertexBaseIndex + 1].Color = ColorRgba.White;
vertexData[vertexBaseIndex + 2].Pos.X = renderPos.X + tileXStep.X + tileYStep.X;
vertexData[vertexBaseIndex + 2].Pos.Y = renderPos.Y + tileXStep.Y + tileYStep.Y;
vertexData[vertexBaseIndex + 2].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 2].TexCoord.X = uvRect.X + uvRect.W;
vertexData[vertexBaseIndex + 2].TexCoord.Y = uvRect.Y + uvRect.H;
vertexData[vertexBaseIndex + 2].Color = ColorRgba.White;
vertexData[vertexBaseIndex + 3].Pos.X = renderPos.X + tileXStep.X;
vertexData[vertexBaseIndex + 3].Pos.Y = renderPos.Y + tileXStep.Y;
vertexData[vertexBaseIndex + 3].Pos.Z = renderPos.Z;
vertexData[vertexBaseIndex + 3].TexCoord.X = uvRect.X + uvRect.W;
vertexData[vertexBaseIndex + 3].TexCoord.Y = uvRect.Y;
vertexData[vertexBaseIndex + 3].Color = ColorRgba.White;
vertexBaseIndex += 4;
}
}
device.AddVertices(
material,
VertexMode.Quads,
vertexData,
0,
vertexBaseIndex);
device.Render();
}
cachedTexturedBackground = renderTarget;
}
protected override void OnRenderPointOfView(Scene scene, DrawDevice drawDevice, Rect viewportRect, Vector2 imageSize)
{
// Set up the picking render target to match the proper size
if (this.pickingTex == null)
{
this.pickingTex = new Texture(
(int)viewportRect.W,
(int)viewportRect.H,
TextureSizeMode.Default,
TextureMagFilter.Nearest,
TextureMinFilter.Nearest);
}
if (this.pickingRT == null)
{
this.pickingRT = new RenderTarget(
AAQuality.Off,
true,
this.pickingTex);
this.pickingRT.DepthBuffer = true;
}
this.ResizeRenderTarget(this.pickingRT, (Point2)viewportRect.Size);
ContentRef <RenderTarget> oldDeviceTarget = drawDevice.Target;
ProjectionMode oldDeviceProjection = drawDevice.Projection;
VisibilityFlag oldDeviceMask = drawDevice.VisibilityMask;
drawDevice.PickingIndex = 1;
drawDevice.ClearColor = ColorRgba.Black;
drawDevice.ClearDepth = 1.0f;
drawDevice.Target = this.pickingRT;
drawDevice.TargetSize = imageSize;
drawDevice.ViewportRect = new Rect(this.pickingRT.Size);
if (this.pickingMap == null)
{
this.pickingMap = new List <ICmpRenderer>();
}
this.pickingMap.Clear();
// Render the world
{
drawDevice.VisibilityMask = oldDeviceMask & VisibilityFlag.AllGroups;
drawDevice.Projection = oldDeviceProjection;
drawDevice.ClearFlags = ClearFlag.All;
drawDevice.PrepareForDrawcalls();
this.CollectRendererDrawcalls(scene, drawDevice);
drawDevice.Render();
}
// Render screen overlays
if (this.renderOverlay)
{
drawDevice.VisibilityMask = oldDeviceMask;
drawDevice.Projection = ProjectionMode.Screen;
drawDevice.ClearFlags = ClearFlag.None;
drawDevice.PrepareForDrawcalls();
this.CollectRendererDrawcalls(scene, drawDevice);
drawDevice.Render();
}
drawDevice.PickingIndex = 0;
drawDevice.VisibilityMask = oldDeviceMask;
drawDevice.Projection = oldDeviceProjection;
drawDevice.Target = oldDeviceTarget;
// Move data to local buffer
int pxNum = this.pickingTex.ContentWidth * this.pickingTex.ContentHeight;
int pxByteNum = pxNum * 4;
if (this.pickingBuffer == null)
{
this.pickingBuffer = new byte[pxByteNum];
}
else if (pxByteNum > this.pickingBuffer.Length)
{
Array.Resize(ref this.pickingBuffer, Math.Max(this.pickingBuffer.Length * 2, pxByteNum));
}
this.pickingRT.GetPixelData(this.pickingBuffer);
}
private PixelData RenderToTexture(int width, int height, Action<Canvas> renderMethod)
{
PixelData pixelData;
using (Texture texture = new Texture(width, height, TextureSizeMode.NonPowerOfTwo))
using (RenderTarget renderTarget = new RenderTarget(AAQuality.Off, texture))
using (DrawDevice device = new DrawDevice())
{
device.Perspective = PerspectiveMode.Flat;
device.VisibilityMask = VisibilityFlag.AllGroups | VisibilityFlag.ScreenOverlay;
device.RenderMode = RenderMatrix.OrthoScreen;
device.Target = renderTarget;
device.ViewportRect = new Rect(renderTarget.Width, renderTarget.Height);
device.PrepareForDrawcalls();
{
Canvas canvas = new Canvas(device);
renderMethod(canvas);
}
device.Render(ClearFlag.All, ColorRgba.TransparentBlack, 1.0f);
pixelData = texture.GetPixelData();
}
return pixelData;
}