public static void Paint(Vector2 uv, BrushConfig br, RenderTexture rt)
{
var stroke = new StrokeVector(uv)
{
firstStroke = false
};
var id = rt.GetTextureMeta();
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, stroke, out alphaBuffer);
float width = br.StrokeWidth(id.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 = StrokeVector.BrushWorldPositionFrom(stroke.uvTo);
TexMGMT.Render();
AfterStroke_NoPainter(br, alphaBuffer, rt);
}
public virtual void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
BeforeStroke(painter, br, st);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
var id = painter.TexMeta;
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, st, painter, out alphaBuffer);
var rb = RtBrush;
rb.localScale = Vector3.one;
var direction = st.DeltaUv;
var length = direction.magnitude;
BrushMesh = PainterCamera.BrushMeshGenerator.GetLongMesh(length * 256, br.StrokeWidth(id.width, false));
rb.localRotation = Quaternion.Euler(new Vector3(0, 0,
(direction.x > 0 ? -1 : 1) * Vector2.Angle(Vector2.up, direction)));
rb.localPosition = StrokeVector.BrushWorldPositionFrom((st.uvFrom + st.uvTo) * 0.5f);
TexMGMT.Render();
AfterStroke_Painter(painter, br, st, alphaBuffer, id);
}
public override void AfterGpuStroke(PlaytimePainter painter, BrushConfig br, StrokeVector st, BrushTypes.Base type)
{
if (br.IsA3DBrush(painter) && painter.IsAtlased())
{
PainterDataAndConfig.BRUSH_ATLAS_SECTION_AND_ROWS.GlobalValue = new Vector4(0, 0, 1, 0);
}
}
public void PaintRenderTexture(StrokeVector stroke, ImageMeta image, BrushConfig bc, PlaytimePainter painter)
{
var vt = painter.GetVolumeTexture();
if (!vt)
{
Debug.LogError("Painted volume was not found");
return;
}
if (_enableRayTracing)
{
rayTraceCameraConfiguration.From(stroke);
bc.useAlphaBuffer = false;
delayedPaintingConfiguration = new BrushStrokePainterImage(stroke, image, bc, painter);
//Debug.Log("Setting position: "+stroke.posTo);
PainterCamera.GetProjectorCamera().RenderRightNow(this);
}
else
{
PaintRenderTexture(new BrushStrokePainterImage(stroke, image, bc, painter));
}
}
public PlaytimePainter Paint(StrokeVector stroke, PlaytimePainter painter)
{
var imgData = painter.ImgMeta;
if (imgData == null)
{
painter.InitIfNotInitialized();
imgData = painter.ImgMeta;
if (imgData == null)
{
return(painter);
}
}
var cpu = imgData.TargetIsTexture2D();
var brushType = GetBrushType(cpu);
var blitMode = GetBlitMode(cpu);
blitMode.PrePaint(painter, this, stroke);
if (cpu)
{
painter.RecordingMgmt();
brushType.PaintToTexture2D(painter, this, stroke);
}
else
{
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 PainterSystemManagerModuleBase.BrushPlugins)
{
if (pl.IsEnabledFor(painter, imgData, this))
{
pl.PaintRenderTexture(stroke, imgData, this, painter);
rendered = true;
break;
}
}
if (!painter.terrain || brushType.SupportedForTerrainRt)
{
painter.RecordingMgmt();
if (!rendered)
{
brushType.PaintRenderTexture(painter, this, stroke);
}
}
}
return(painter);
}
public override void PrePaint(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
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))
{
if (painter)
{
painter.SampleTexture(st.uvTo);
FromColor(br, st.unRepeatedUv);
}
}
else if (method == (ColorSetMethod.MDownPosition))
{
FromUv(st.uvTo);
}
PainterDataAndConfig.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 BrushStrokePainterImage(StrokeVector s, TextureMeta id, BrushConfig br, PlaytimePainter pp)
{
stroke = s;
image = id;
brush = br;
painter = pp;
}
public static void Paint(StrokeVector stroke, float brushAlpha, ImageMeta image, BrushConfig bc, PlaytimePainter painter)
{
if (image?.Pixels == null)
{
return;
}
var uvCoords = stroke.uvFrom;
brAlpha = brushAlpha;
bc.PrepareCpuBlit(image);
var iHalf = (int)(half);
Vector2 offset;
var tmp = image.UvToPixelNumber(uvCoords, out offset);
var smooth = bc.GetBrushType(true) != BrushTypePixel.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 void From(StrokeVector vec, bool lookInNormalDirection = true)
{
position = vec.posTo;
localTransform = false;
if (lookInNormalDirection)
{
position += vec.collisionNormal;
rotation = Quaternion.LookRotation(vec.collisionNormal, Vector3.up);
}
}
public static void Paint(RenderTexture rt, GameObject go, SkinnedMeshRenderer skinner, BrushConfig br,
StrokeVector st, int subMeshIndex)
{
br.GetBlitMode(false).PrePaint(null, br, st);
bool alphaBuffer;
PrepareSphereBrush(rt.GetTextureMeta(), br, st, out alphaBuffer);
TexMGMT.brushRenderer.UseSkinMeshAsBrush(go, skinner, subMeshIndex);
TexMGMT.Render();
AfterStroke_NoPainter(br, alphaBuffer, rt);
}
public void BeforeStroke(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
var cam = TexMGMT;
if (!RenderTextureBuffersManager.secondBufferUpdated)
{
RenderTextureBuffersManager.UpdateBufferTwo();
}
foreach (var p in painter.Modules)
{
p.BeforeGpuStroke(painter, br, st, this);
}
}
public static void SHADER_POSITION_AND_PREVIEW_UPDATE(StrokeVector st, bool hidePreview, float size)
{
PainterDataAndConfig.BRUSH_POINTED_UV.GlobalValue = st.uvTo.ToVector4(0, _previewAlpha);
if (hidePreview && Math.Abs(_previewAlpha) < float.Epsilon)
{
return;
}
QcMath.IsLerpingBySpeed(ref _previewAlpha, hidePreview ? 0 : 1, 4f);
PainterDataAndConfig.BRUSH_WORLD_POS_FROM.GlobalValue = _prevPosPreview.ToVector4(size);
PainterDataAndConfig.BRUSH_WORLD_POS_TO.GlobalValue = st.posTo.ToVector4((st.posTo - _prevPosPreview).magnitude); //new Vector4(st.posTo.x, st.posTo.y, st.posTo.z, (st.posTo - prevPosPreview).magnitude));
_prevPosPreview = st.posTo;
}
private static void PrepareSphereBrush(TextureMeta id, BrushConfig br, StrokeVector stroke, out bool alphaBuffer,
PlaytimePainter painter = null)
{
// if (stroke.mouseDwn)
// stroke.posFrom = stroke.posTo;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, stroke, out alphaBuffer, painter);
var offset = id.offset - stroke.unRepeatedUv.Floor();
stroke.SetWorldPosInShader();
PainterShaderVariables.BRUSH_EDITED_UV_OFFSET.GlobalValue =
new Vector4(id.tiling.x, id.tiling.y, offset.x, offset.y);
PainterShaderVariables.BRUSH_ATLAS_SECTION_AND_ROWS.GlobalValue = new Vector4(0, 0, 1, 0);
}
public StrokeVector(StrokeVector other)
{
uvFrom = other.uvFrom;
posFrom = other.posFrom;
uvTo = other.uvTo;
posTo = other.posTo;
unRepeatedUv = other.unRepeatedUv;
previousDelta = other.previousDelta;
avgBrushSpeed = other.avgBrushSpeed;
MouseDownEvent = other.MouseDownEvent;
firstStroke = other.firstStroke; // For cases like Lazy Brush, when painting doesn't start on the first frame.
MouseUpEvent = other.MouseDownEvent;
Down_Internal();
}
public StrokeVector(StrokeVector other)
{
uvFrom = other.uvFrom;
posFrom = other.posFrom;
uvTo = other.uvTo;
posTo = other.posTo;
unRepeatedUv = other.unRepeatedUv;
previousDelta = other.previousDelta;
avgBrushSpeed = other.avgBrushSpeed;
mouseDwn = other.mouseDwn;
firstStroke = other.firstStroke; // For cases like Lazy Brush, when painting doesn't start on the first frame.
mouseUp = other.mouseDwn;
Dwn();
}
public void PaintRenderTexture(StrokeVector stroke, ImageMeta image, BrushConfig bc, PlaytimePainter painter)
{
}
public override void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
BeforeStroke(br, st, painter);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
TextureMeta id = painter.TexMeta;
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(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_Painter(painter, br, st, alphaBuffer, id);
}
public override void BeforeGpuStroke(PlaytimePainter painter, BrushConfig br, StrokeVector st, BrushTypes.Base type)
{
if (!br.IsA3DBrush(painter) || !painter.IsAtlased())
{
return;
}
var ats = GetAtlasedSection();
PainterDataAndConfig.BRUSH_ATLAS_SECTION_AND_ROWS.GlobalValue = new Vector4(ats.x, ats.y, atlasRows, 1);
}
public virtual void PrePaint(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
}
public void PaintPixelsInRam(StrokeVector stroke, float brushAlpha, ImageMeta image, BrushConfig bc, PlaytimePainter painter)
{
var volume = image.texture2D.GetVolumeTextureData();
if (!volume)
{
return;
}
if (volume.VolumeJobIsRunning)
{
return;
}
bc.brush3DRadius = Mathf.Min(BrushScaleMaxForCpu(volume), bc.brush3DRadius);
var volumeScale = volume.size;
var pos = (stroke.posFrom - volume.transform.position) / volumeScale + 0.5f * Vector3.one;
var height = volume.Height;
var texWidth = image.width;
BlitFunctions.brAlpha = brushAlpha;
bc.PrepareCpuBlit(image);
BlitFunctions.half = bc.Size(true) / volumeScale;
var pixels = image.Pixels;
var iHalf = (int)(BlitFunctions.half - 0.5f);
var smooth = bc.GetBrushType(true) != BrushTypePixel.Inst;
if (smooth)
{
iHalf += 1;
}
BlitFunctions.alphaMode = BlitFunctions.SphereAlpha;
var sliceWidth = texWidth / volume.hSlices;
var hw = sliceWidth / 2;
var y = (int)pos.y;
var z = (int)(pos.z + hw);
var x = (int)(pos.x + hw);
for (BlitFunctions.y = -iHalf; BlitFunctions.y < iHalf + 1; BlitFunctions.y++)
{
var h = y + BlitFunctions.y;
if (h >= height)
{
return;
}
if (h < 0)
{
continue;
}
var hy = h / volume.hSlices;
var hx = h % volume.hSlices;
var hTexIndex = (hy * texWidth + hx) * sliceWidth;
for (BlitFunctions.z = -iHalf; BlitFunctions.z < iHalf + 1; BlitFunctions.z++)
{
var trueZ = z + BlitFunctions.z;
if (trueZ < 0 || trueZ >= sliceWidth)
{
continue;
}
var yTexIndex = hTexIndex + trueZ * texWidth;
for (BlitFunctions.x = -iHalf; BlitFunctions.x < iHalf + 1; BlitFunctions.x++)
{
if (!BlitFunctions.alphaMode())
{
continue;
}
var trueX = x + BlitFunctions.x;
if (trueX < 0 || trueX >= sliceWidth)
{
continue;
}
var texIndex = yTexIndex + trueX;
BlitFunctions.blitMode(ref pixels[texIndex]);
}
}
}
}
public bool PaintTexture2D(StrokeVector stroke, float brushAlpha, TextureMeta image, BrushConfig bc, PlaytimePainter painter)
{
if (!painter.IsAtlased())
{
return(false);
}
var uvCoords = stroke.uvFrom;
var atlasedSection = GetAtlasedSection();
sectorSize = image.width / atlasRows;
atlasSector.From(atlasedSection * sectorSize);
BlitFunctions.brAlpha = brushAlpha;
BlitFunctions.half = (bc.Size(false)) / 2;
var iHalf = Mathf.FloorToInt(BlitFunctions.half - 0.5f);
var smooth = bc.GetBrushType(true) != BrushTypes.Pixel.Inst;
if (smooth)
{
BlitFunctions.alphaMode = BlitFunctions.CircleAlpha;
}
else
{
BlitFunctions.alphaMode = BlitFunctions.NoAlpha;
}
BlitFunctions.blitMode = bc.GetBlitMode(true).BlitFunctionTex2D(image);
if (smooth)
{
iHalf += 1;
}
BlitFunctions.alpha = 1;
BlitFunctions.Set(bc.mask);
BlitFunctions.cSrc = bc.Color;
var tmp = image.UvToPixelNumber(uvCoords);
var fromX = tmp.x - iHalf;
tmp.y -= iHalf;
var pixels = image.Pixels;
for (BlitFunctions.y = -iHalf; BlitFunctions.y < iHalf + 1; BlitFunctions.y++)
{
tmp.x = fromX;
for (BlitFunctions.x = -iHalf; BlitFunctions.x < iHalf + 1; BlitFunctions.x++)
{
if (BlitFunctions.alphaMode())
{
var sx = tmp.x - atlasSector.x;
var sy = tmp.y - atlasSector.y;
sx %= sectorSize;
if (sx < 0)
{
sx += sectorSize;
}
sy %= sectorSize;
if (sy < 0)
{
sy += sectorSize;
}
BlitFunctions.blitMode(ref pixels[((atlasSector.y + sy)) * image.width + (atlasSector.x + sx)]);
}
tmp.x += 1;
}
tmp.y += 1;
}
return(true);
}
public override void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
var id = painter.TexMeta;
BeforeStroke(br, st, painter);
bool alphaBuffer;
PrepareSphereBrush(id, br, st, out alphaBuffer, painter);
if (!st.MouseDownEvent)
{
TexMGMT.brushRenderer.UseMeshAsBrush(painter);
TexMGMT.Render();
}
AfterStroke_Painter(painter, br, st, alphaBuffer, id);
}
public static void PaintAtlased(RenderTexture rt, GameObject go, Mesh mesh, BrushConfig br, StrokeVector st,
List <int> subMeshIndex, int aTexturesInRow)
{
br.GetBlitMode(false).PrePaint(null, br, st);
PainterShaderVariables.BRUSH_ATLAS_SECTION_AND_ROWS.GlobalValue = new Vector4(0, 0, aTexturesInRow, 1);
bool alphaBuffer;
PrepareSphereBrush(rt.GetTextureMeta(), br, st, out alphaBuffer);
TexMGMT.brushRenderer.UseMeshAsBrush(go, mesh, subMeshIndex);
TexMGMT.Render();
AfterStroke_NoPainter(br, alphaBuffer, rt);
PainterShaderVariables.BRUSH_ATLAS_SECTION_AND_ROWS.GlobalValue = new Vector4(0, 0, 1, 0);
}
public override void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
BeforeStroke(br, st, painter);
var deltaUv = st.DeltaUv; //uv - st.uvFrom;//.Previous_uv;
var magnitude = deltaUv.magnitude;
var id = painter.TexMeta;
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 StrokeVector(st)
{
firstStroke = false
};
r.SHADER_STROKE_SEGMENT_UPDATE(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;
}
r.SHADER_STROKE_SEGMENT_UPDATE(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_Painter(painter, br, st, alphaBuffer, id);
}
public virtual void PaintToTexture2D(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
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.Speed * (Application.isPlaying ? Time.deltaTime : 0.1f));
var worldSpace = painter.NeedsGrid();
var id = painter.TexMeta;
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, worldSpace ? worldDist : uvDist);
deltaUv /= steps;
deltaPos /= steps;
st.uvFrom += deltaUv;
st.posFrom += deltaPos;
}
BlitFunctions.PaintTexture2DMethod blitMethod = null;
foreach (var p in CameraModuleBase.BrushPlugins)
{
if (p.IsEnabledFor(painter, id, br))
{
p.PaintPixelsInRam(st, alpha, id, br, painter);
blitMethod = p.PaintPixelsInRam;
break;
}
}
if (blitMethod == null)
{
blitMethod = BlitFunctions.Paint;
blitMethod(st, alpha, id, br, painter);
}
for (float i = 1; i < steps; i++)
{
st.uvFrom += deltaUv;
st.posFrom += deltaPos;
blitMethod(st, alpha, id, br, painter);
}
painter.AfterStroke(st);
}
public override void AfterStroke_Painter(PlaytimePainter painter, BrushConfig br, StrokeVector st,
bool alphaBuffer, TextureMeta id)
{
base.AfterStroke_Painter(painter, br, st, alphaBuffer, id);
if (br.rotationMethod != RotationMethod.Random)
{
return;
}
br.decalAngle = Random.Range(-90f, 450f);
OnShaderBrushUpdate(Cfg.brushConfig);
}
public override void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
BeforeStroke(br, st, painter);
var id = painter.TexMeta;
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;
}
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, 1, id, st, out alphaBuffer, 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 = StrokeVector.BrushWorldPositionFrom(uv);
TexMGMT.Render();
AfterStroke_Painter(painter, br, st, alphaBuffer, id);
}
else
{
painter.AfterStroke(st);
}
}
public static void Paint(RenderTexture renderTexture, BrushConfig br, StrokeVector st,
PlaytimePainter painter = null) => _inst.PaintRenderTexture(renderTexture.GetTextureMeta(), br, st);
public virtual void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st) => PaintRenderTexture(painter.TexMeta, br, st, painter);
public virtual void AfterStroke_Painter(PlaytimePainter painter, BrushConfig br, StrokeVector st,
bool alphaBuffer, TextureMeta id)
{
painter.AfterStroke(st);
if (br.useMask && st.MouseUpEvent && br.randomMaskOffset)
{
br.maskOffset = new Vector2(Random.Range(0f, 1f), Random.Range(0f, 1f));
}
if (alphaBuffer)
{
var sh = br.GetBlitMode(false).ShaderForAlphaBufferBlit;
if (painter.NotUsingPreview)
{
TexMGMT.UpdateFromAlphaBuffer(id.CurrentRenderTexture(), sh);
}
else
{
TexMGMT.AlphaBufferSetDirtyBeforeRender(id, sh);
}
}
else if (!br.IsSingleBufferBrush() && !br.IsA3DBrush(painter))
{
TexMGMT.UpdateBufferSegment();
}
foreach (var p in painter.Modules)
{
p.AfterGpuStroke(br, st, this);
}
}
