public override void PaintRenderTextureUvSpace(PaintCommand.UV command)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
TextureMeta id = command.TextureData;
BeforeStroke(command);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
command.strokeAlphaPortion = Mathf.Clamp01(br.Flow * 0.05f);
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command);// br, br.Speed * 0.05f, id, st, out alphaBuffer, painter);
RtBrush.localScale = Vector3.one * br.StrokeWidth(id.width, false);
BrushMesh = PainterCamera.BrushMeshGenerator.GetQuad();
RtBrush.localRotation = Quaternion.identity;
RtBrush.localPosition = st.BrushWorldPosition;
TexMGMT.Render();
AfterStroke(command);//painter, br, st, alphaBuffer, id);
}
public static void Paint(Vector2 uv, Brush br, RenderTexture rt)
{
var command = new PaintCommand.UV(new Stroke(uv)
{
firstStroke = false
}, rt.GetTextureMeta(), br)
{
strokeAlphaPortion = Mathf.Clamp01(br.Flow * 0.05f)
};
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command); // br, br.Speed * 0.05f, id, stroke, out alphaBuffer);
float width = br.StrokeWidth(command.TextureData.width, false);
RtBrush.localScale = Vector3.one;
BrushMesh = PainterCamera.BrushMeshGenerator.GetLongMesh(0, width);
RtBrush.localRotation = Quaternion.Euler(new Vector3(0, 0, Vector2.Angle(Vector2.up, Vector2.zero)));
RtBrush.localPosition = Stroke.BrushWorldPositionFrom(command.Stroke.uvTo);
TexMGMT.Render();
br.GetBrushType(false).AfterStroke(command);
}
public virtual void PaintRenderTextureUvSpace(PaintCommand.UV command)
{
TextureMeta textureMeta = command.TextureData;
Brush br = command.Brush;
Stroke st = command.Stroke;
BeforeStroke(command);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
command.strokeAlphaPortion = Mathf.Clamp01(br.Flow * 0.05f);
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command);
var rb = RtBrush;
rb.localScale = Vector3.one;
var direction = st.DeltaUv;
var length = direction.magnitude;
BrushMesh = PainterCamera.BrushMeshGenerator.GetLongMesh(length * 256, br.StrokeWidth(textureMeta.width, false));
rb.localRotation = Quaternion.Euler(new Vector3(0, 0,
(direction.x > 0 ? -1 : 1) * Vector2.Angle(Vector2.up, direction)));
rb.localPosition = Stroke.BrushWorldPositionFrom((st.uvFrom + st.uvTo) * 0.5f);
TexMGMT.Render();
AfterStroke(command);
}
public static void Paint(Vector2 uvCoords, float brushAlpha, Texture2D texture, Vector2 offset, Vector2 tiling, Brush bc)
{
var id = texture.GetTextureMeta();
id.offset = offset;
id.tiling = tiling;
var cmd = new PaintCommand.UV(new Stroke(uvCoords), texture.GetTextureMeta(), bc);
cmd.strokeAlphaPortion = brushAlpha;
Paint(cmd);
}
public override void AfterStroke(PaintCommand.UV command)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
base.AfterStroke(command);
if (br.rotationMethod != RotationMethod.Random)
{
return;
}
br.decalAngle = Random.Range(-90f, 450f);
OnShaderBrushUpdate(Cfg.Brush);
}
public override void PrePaint(PaintCommand.UV paintCommand) //Brush br, Stroke st, PlaytimePainter painter = null)
{
Stroke st = paintCommand.Stroke;
var v4 = new Vector4(st.unRepeatedUv.x, st.unRepeatedUv.y, Mathf.Floor(st.unRepeatedUv.x),
Mathf.Floor(st.unRepeatedUv.y));
_pointedUvUnTiledProperty.GlobalValue = v4;
if (!st.firstStroke)
{
return;
}
if (method == (ColorSetMethod.MDownColor))
{
var painter = paintCommand.TryGetPainter();
if (painter)
{
painter.SampleTexture(st.uvTo);
}
else
{
paintCommand.Brush.Color = paintCommand.TextureData.SampleAt(st.uvTo);
}
FromColor(paintCommand.Brush, st.unRepeatedUv);
}
else if (method == (ColorSetMethod.MDownPosition))
{
FromUv(st.uvTo);
}
BRUSH_SAMPLING_DISPLACEMENT.GlobalValue = new Vector4(
(currentPixel.x + 0.5f) / Cfg.samplingMaskSize.x,
(currentPixel.y + 0.5f) / Cfg.samplingMaskSize.y,
Cfg.samplingMaskSize.x, Cfg.samplingMaskSize.y);
}
public virtual void AfterStroke(PaintCommand.UV command)
{
PaintCommand.ForPainterComponent painterCommand = command as PaintCommand.ForPainterComponent;
Brush br = command.Brush;
Stroke st = command.Stroke;
TextureMeta id = command.TextureData;
command.OnStrokeComplete();
if (br.useMask && st.MouseUpEvent && br.randomMaskOffset)
{
br.maskOffset = new Vector2(Random.Range(0f, 1f), Random.Range(0f, 1f));
}
if (command.usedAlphaBuffer)
{
var sh = br.GetBlitMode(false).ShaderForAlphaBufferBlit;
if (painterCommand == null || painterCommand.painter.NotUsingPreview)
{
TexMGMT.UpdateFromAlphaBuffer(id.CurrentRenderTexture(), sh);
}
else
{
TexMGMT.AlphaBufferSetDirtyBeforeRender(id, sh);
}
}
else if (!br.IsSingleBufferBrush() && !command.Is3DBrush)
{
TexMGMT.UpdateBufferSegment();
}
if (painterCommand != null)
{
foreach (var p in painterCommand.painter.Modules)
{
p.AfterGpuStroke(painterCommand);
}
}
}
public void BeforeStroke(PaintCommand.UV command)//Brush br, Stroke st, PlaytimePainter painter = null)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
PaintCommand.ForPainterComponent painterCommand = command as PaintCommand.ForPainterComponent;
var cam = TexMGMT;
if (!RenderTextureBuffersManager.secondBufferUpdated)
{
RenderTextureBuffersManager.UpdateBufferTwo();
}
if (painterCommand != null)
{
foreach (var p in painterCommand.painter.Modules)
{
p.BeforeGpuStroke(painterCommand);//br, st, this);
}
}
}
public void Paint(PaintCommand.UV command)
{
var imgData = command.TextureData;
var cpu = command.TextureData.TargetIsTexture2D();
var brushType = GetBrushType(cpu);
var blitMode = GetBlitMode(cpu);
var isWorldSpace = command.Is3DBrush;
var painterCommand = command as PaintCommand.ForPainterComponent;
PlaytimePainter painter = painterCommand?.painter;
blitMode.PrePaint(command);
if (cpu)
{
if (painter)
{
foreach (var module in imgData.Modules)
{
module.OnPainting(painter);
}
}
brushType.PaintPixelsInRam(command);
}
else
{
if (painter)
{
var materialData = painter.MatDta;
if (!imgData.renderTexture && !TexMGMT.materialsUsingRenderTexture.Contains(materialData))
{
TexMGMT.ChangeBufferTarget(imgData, materialData, painter.GetMaterialTextureProperty(), painter);
painter.SetTextureOnMaterial(imgData);
}
var rendered = false;
foreach (var pl in CameraModuleBase.BrushPlugins)
{
if (pl.IsEnabledFor(painter, imgData, this))
{
pl.PaintRenderTextureUvSpace(command);
rendered = true;
break;
}
}
if (!painter.terrain || brushType.SupportedForTerrainRt)
{
foreach (var module in imgData.Modules)
{
module.OnPainting(painter);
}
if (!rendered)
{
if (isWorldSpace)
{
brushType.PaintRenderTextureInWorldSpace(command as PaintCommand.WorldSpace);
}
else
{
brushType.PaintRenderTextureUvSpace(command);
}
}
}
}
else
{
if (isWorldSpace)
{
brushType.PaintRenderTextureInWorldSpace(command as PaintCommand.WorldSpace);
}
else
{
brushType.PaintRenderTextureUvSpace(command);
}
}
}
}
public static void Paint(PaintCommand.UV command)
{
TextureMeta image = command.TextureData;
if (image.Pixels == null)
{
return;
}
Brush bc = command.Brush;
var uvCoords = command.Stroke.uvFrom;
brAlpha = command.strokeAlphaPortion;
bc.PrepareCpuBlit(image);
var iHalf = (int)(half);
Vector2 offset;
var tmp = image.UvToPixelNumber(uvCoords, out offset);
var smooth = bc.GetBrushType(true) != BrushTypes.Pixel.Inst;
if (smooth)
{
iHalf += 1;
offset = Vector2.zero;
}
var hf = half - 0.5f;
var halfFromX = Mathf.RoundToInt(-hf + offset.x);
var halfFromY = Mathf.RoundToInt(-hf + offset.y);
var halfToX = Mathf.RoundToInt(hf + offset.x);
var halfToY = Mathf.RoundToInt(hf + offset.y);
var fromX = tmp.x + halfFromX;
tmp.y += halfFromY;
var pixels = image.Pixels;
for (y = halfFromY; y <= halfToY; y++)
{
tmp.x = fromX;
for (x = halfFromX; x <= halfToX; x++)
{
if (alphaMode())
{
blitMode(ref pixels[image.PixelNo(tmp)]);
}
tmp.x += 1;
}
tmp.y += 1;
}
}
public virtual void PrePaint(PaintCommand.UV paintCommand) //Brush br, Stroke st, PlaytimePainter painter = null)
{
}
public override void PaintRenderTextureUvSpace(PaintCommand.UV command)//PlaytimePainter painter, Brush br, Stroke st)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
var id = command.TextureData;
BeforeStroke(command);
var deltaUv = st.DeltaUv; //uv - st.uvFrom;//.Previous_uv;
var magnitude = deltaUv.magnitude;
var width = br.Size(false) / id.width * 4;
var trackPortion = (deltaUv.magnitude - width * 0.5f) * 0.25f;
if (!(trackPortion > 0) && !st.MouseUpEvent)
{
return;
}
if (st.firstStroke)
{
previousDirectionLazy = st.previousDelta = deltaUv;
_lazySpeedDynamic = deltaUv.magnitude;
_lazyAngleSmoothed = 0;
// Debug.Log("First stroke");
}
var angle = Mathf.Deg2Rad * Vector2.Angle(st.previousDelta, deltaUv);
var smooth = angle < Mathf.PI * 0.5f;
if (st.CrossedASeam() && (magnitude > previousDirectionLazy.magnitude * 8))
{
// Debug.Log("Crossed a seam");
st.MouseUpEvent = true;
st.uvTo = st.uvFrom; // painter.Previous_uv;
deltaUv = Vector2.zero;
smooth = false;
}
previousDirectionLazy = deltaUv;
if (!st.MouseUpEvent)
{
if (smooth)
{
var clockwise = Vector3.Cross(st.previousDelta, deltaUv).z > 0 ? 1f : -1f;
var sin = Mathf.Sin(angle) * clockwise;
float maxSinus = 8;
_lazyAngleSmoothed = Mathf.Abs(_lazyAngleSmoothed) > Mathf.Abs(sin)
? sin
: Mathf.Lerp(_lazyAngleSmoothed, sin, 0.2f);
sin = _lazyAngleSmoothed;
if ((sin * sin > maxSinus * maxSinus) || ((sin > 0) != (maxSinus > 0)))
{
var absSin = Mathf.Abs(sin);
var absNSin = Mathf.Abs(maxSinus);
if (absSin < absNSin)
{
maxSinus = maxSinus * absSin / absNSin;
}
st.uvTo = st.uvFrom + st.previousDelta.normalized.Rotate_Radians(maxSinus * clockwise) *
trackPortion;
_lazySpeedDynamic = trackPortion;
}
else
{
_lazySpeedDynamic = Mathf.Min(deltaUv.magnitude * 0.5f,
Mathf.Lerp(_lazySpeedDynamic, deltaUv.magnitude * 0.5f, 0.001f));
_lazySpeedDynamic = Mathf.Max(trackPortion, _lazySpeedDynamic);
st.uvTo = st.uvFrom + st.previousDelta.normalized.Rotate_Radians(sin) * _lazySpeedDynamic;
}
}
else
{
_lazySpeedDynamic = deltaUv.magnitude;
_lazyAngleSmoothed = 0;
st.uvTo = st.uvFrom + deltaUv.normalized * trackPortion;
}
}
var r = TexMGMT;
var meshWidth = br.StrokeWidth(id.width, false);
var tf = RtBrush;
var direction = st.DeltaUv;
var isTail = st.firstStroke;
// bool alphaBuffer;
if (!isTail && !smooth)
{
var st2 = new Stroke(st)
{
firstStroke = false
};
r.SHADER_STROKE_SEGMENT_UPDATE(command);//br, br.Speed * 0.05f, id, st2, out alphaBuffer, painter);
Vector3 junkPoint = st.uvFrom + st.previousDelta * 0.01f;
BrushMesh = PainterCamera.BrushMeshGenerator.GetStreak(UvToPosition(st.uvFrom),
UvToPosition(junkPoint), meshWidth, true, false);
tf.localScale = Vector3.one;
tf.localRotation = Quaternion.identity;
tf.localPosition = new Vector3(0, 0, 10);
r.Render();
st.uvFrom = junkPoint;
isTail = true;
}
command.strokeAlphaPortion = Mathf.Clamp01(br.Flow * 0.05f);
r.SHADER_STROKE_SEGMENT_UPDATE(command);//br, br.Speed * 0.05f, id, st, out alphaBuffer, painter);
BrushMesh = PainterCamera.BrushMeshGenerator.GetStreak(UvToPosition(st.uvFrom), UvToPosition(st.uvTo),
meshWidth, st.MouseUpEvent, isTail);
tf.localScale = Vector3.one;
tf.localRotation = Quaternion.identity;
tf.localPosition = new Vector3(0, 0, 10);
st.previousDelta = direction;
r.Render();
AfterStroke(command); //painter, br, st, alphaBuffer, id);
}
public override void PaintRenderTextureUvSpace(PaintCommand.UV command) //PlaytimePainter painter, Brush br, Stroke st)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
BeforeStroke(command);
var id = command.TextureData;
if (st.firstStroke || br.decalContentious)
{
if (br.rotationMethod == RotationMethod.FaceStrokeDirection)
{
var delta = st.uvTo - _previousUv;
var portion = Mathf.Clamp01(delta.magnitude * id.width * 4 / br.Size(false));
var newAngle = Vector2.SignedAngle(Vector2.up, delta) + br.decalAngleModifier;
br.decalAngle = Mathf.LerpAngle(br.decalAngle, newAngle, portion);
_previousUv = st.uvTo;
}
command.strokeAlphaPortion = 1;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command); // br, 1, id, st, out alphaBuffer, command.painter);
var tf = RtBrush;
tf.localScale = Vector3.one * br.Size(false);
tf.localRotation = Quaternion.Euler(new Vector3(0, 0, br.decalAngle));
BrushMesh = PainterCamera.BrushMeshGenerator.GetQuad();
st.uvTo = st.uvTo.To01Space();
var deltaUv = st.DeltaUv;
var uv = st.uvTo;
if (br.rotationMethod == RotationMethod.FaceStrokeDirection && !st.firstStroke)
{
var length = Mathf.Max(deltaUv.magnitude * 2 * id.width / br.Size(false), 1);
var scale = tf.localScale;
if ((Mathf.Abs(Mathf.Abs(br.decalAngleModifier) - 90)) < 40)
{
scale.x *= length;
}
else
{
scale.y *= length;
}
tf.localScale = scale;
uv -= deltaUv * ((length - 1) * 0.5f / length);
}
tf.localPosition = Stroke.BrushWorldPositionFrom(uv);
TexMGMT.Render();
AfterStroke(command);
}
else
{
command.OnStrokeComplete(); //painter.AfterStroke(st);
}
}
public virtual void PaintPixelsInRam(PaintCommand.UV command)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
var deltaUv = st.uvTo - st.uvFrom;
if (deltaUv.magnitude > (0.2f + st.avgBrushSpeed * 3))
{
deltaUv = Vector2.zero; // This is made to avoid glitch strokes on seams
}
else
{
st.avgBrushSpeed = (st.avgBrushSpeed + deltaUv.magnitude) / 2;
}
var alpha = Mathf.Clamp01(br.Flow * (Application.isPlaying ? Time.deltaTime : 0.1f));
var id = command.TextureData;
var deltaPos = st.DeltaWorldPos;
float steps = 1;
if (id.disableContiniousLine)
{
st.uvFrom = st.uvTo;
st.posFrom = st.posTo;
}
else
{
var uvDist = (deltaUv.magnitude * id.width * 8 / br.Size(false));
var worldDist = st.DeltaWorldPos.magnitude;
steps = (int)Mathf.Max(1, IsAWorldSpaceBrush ? worldDist : uvDist);
deltaUv /= steps;
deltaPos /= steps;
st.uvFrom += deltaUv;
st.posFrom += deltaPos;
}
Action <PaintCommand.UV> blitMethod = null;
command.strokeAlphaPortion = alpha;
var painter = command.TryGetPainter();
foreach (var p in CameraModuleBase.BrushPlugins)
{
if (p.IsEnabledFor(painter, id, br))
{
p.PaintPixelsInRam(command);//st, alpha, id, br, painter);
blitMethod = p.PaintPixelsInRam;
break;
}
}
if (blitMethod == null)
{
blitMethod = BlitFunctions.Paint;
blitMethod(command);
}
for (float i = 1; i < steps; i++)
{
st.uvFrom += deltaUv;
st.posFrom += deltaPos;
blitMethod(command);
}
command.OnStrokeComplete();//.AfterStroke(st);
}
public void SHADER_STROKE_SEGMENT_UPDATE(PaintCommand.UV command)
{
Brush bc = command.Brush;
TextureMeta id = command.TextureData;
Stroke stroke = command.Stroke;
var isDoubleBuffer = !id.renderTexture;
var useSingle = !isDoubleBuffer || bc.IsSingleBufferBrush();
var blitMode = bc.GetBlitMode(false);
command.usedAlphaBuffer = !useSingle && bc.useAlphaBuffer && bc.GetBrushType(false).SupportsAlphaBufferPainting&& blitMode.SupportsAlphaBufferPainting;
var painter = command.TryGetPainter();
Shader shd = null;
if (painter)
{
foreach (var pl in CameraModuleBase.BrushPlugins)
{
var bs = useSingle ? pl.GetBrushShaderSingleBuffer(painter) : pl.GetBrushShaderDoubleBuffer(painter);
if (!bs)
{
continue;
}
shd = bs;
break;
}
}
if (!shd)
{
if (command.usedAlphaBuffer)
{
shd = blitMode.ShaderForAlphaOutput;
AlphaBufferSetDirtyBeforeRender(id, blitMode.ShaderForAlphaBufferBlit);
}
else
{
shd = useSingle ? blitMode.ShaderForSingleBuffer : blitMode.ShaderForDoubleBuffer;
}
}
if (!useSingle && !RenderTextureBuffersManager.secondBufferUpdated)
{
RenderTextureBuffersManager.UpdateBufferTwo();
}
SHADER_BRUSH_UPDATE(command);
TargetTexture = command.usedAlphaBuffer ? AlphaBuffer : id.CurrentRenderTexture();
if (isDoubleBuffer)
{
PainterShaderVariables.DESTINATION_BUFFER.GlobalValue = BackBuffer;
}
CurrentShader = shd;
}
public void SHADER_BRUSH_UPDATE(PaintCommand.UV command)
{
Brush brush = command.Brush;
var id = command.TextureData;
var rendTex = id.TargetIsRenderTexture();
var brushType = brush.GetBrushType(!rendTex);
var is3DBrush = command.Is3DBrush;
#region Brush
brush.previewDirty = false;
PainterShaderVariables.BrushColorProperty.GlobalValue = brush.Color;
PainterShaderVariables.BrushMaskProperty.GlobalValue = brush.mask.ToVector4();
brushType.OnShaderBrushUpdate(brush);
if (rendTex)
{
PainterShaderVariables.SourceMaskProperty.GlobalValue = brush.useMask ? Data.masks.TryGet(brush.selectedSourceMask) : null;
}
PainterShaderVariables.MaskDynamicsProperty.GlobalValue = new Vector4(
brush.maskTiling,
rendTex ? brush.hardness * brush.hardness : 0, // y - Hardness is 0 to do correct preview for Texture2D brush
((brush.flipMaskAlpha && brush.useMask) ? 0 : 1), // z - flip mask if any
(brush.maskFromGreyscale && brush.useMask) ? 1 : 0);
PainterShaderVariables.MaskOffsetProperty.GlobalValue = brush.maskOffset.ToVector4();
float brushSizeUvSpace = brush.Size(is3DBrush) / (id == null ? 256 : Mathf.Min(id.width, id.height));
PainterShaderVariables.BrushFormProperty.GlobalValue = new Vector4(
command.strokeAlphaPortion, // x - transparency
brush.Size(is3DBrush), // y - scale for sphere
brushSizeUvSpace, // z - scale for uv space
brush.blurAmount); // w - blur amount
#endregion
if (id == null)
{
return;
}
var blitMode = brush.GetBlitMode(!rendTex);
var useAlphaBuffer = (brush.useAlphaBuffer && blitMode.SupportsAlphaBufferPainting && rendTex);
float useTransparentLayerBackground = 0;
PainterShaderVariables.OriginalTextureTexelSize.GlobalValue = new Vector4(
1f / id.width,
1f / id.height,
id.width,
id.height
);
var painter = command.TryGetPainter();
if (id.isATransparentLayer && painter)
{
var md = painter.MatDta;
var mat = md.material;
if (md != null && md.usePreviewShader && mat)
{
var mt = mat.mainTexture;
PainterShaderVariables.TransparentLayerUnderProperty.GlobalValue = mt;
useTransparentLayerBackground = (mt && (id != mt.GetImgDataIfExists())) ? 1 : 0;
}
}
PainterShaderVariables.AlphaBufferConfigProperty.GlobalValue = new Vector4(
brush.alphaLimitForAlphaBuffer,
brush.worldSpaceBrushPixelJitter ? 1 : 0,
useAlphaBuffer ? 1 : 0,
0);
PainterShaderVariables.AlphaPaintingBuffer.GlobalValue = AlphaBuffer;
brushType.SetKeyword(id.useTexCoord2);
QcUnity.SetShaderKeyword(PainterShaderVariables.BRUSH_TEXCOORD_2, id.useTexCoord2);
//if (blitMode.SupportsTransparentLayer)
QcUnity.SetShaderKeyword(PainterShaderVariables.TARGET_TRANSPARENT_LAYER, id.isATransparentLayer);
blitMode.SetKeyword(id).SetGlobalShaderParameters();
if (rendTex && blitMode.UsingSourceTexture)
{
PainterShaderVariables.SourceTextureProperty.GlobalValue = Data.sourceTextures.TryGet(brush.selectedSourceTexture);
PainterShaderVariables.TextureSourceParameters.GlobalValue = new Vector4(
(float)brush.srcColorUsage,
brush.clampSourceTexture ? 1f : 0f,
useTransparentLayerBackground,
brush.ignoreSrcTextureTransparency ? 1f : 0f
);
}
}
