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 static void Paint(RenderTexture renderTexture, Brush br, Stroke st) => _inst.PaintRenderTextureUvSpace(new PaintCommand.UV(st, renderTexture, br));
public void SHADER_STROKE_SEGMENT_UPDATE(PaintCommand.UV command)
{
Brush bc = command.Brush;
TextureMeta id = command.TextureData;
Stroke stroke = command.Stroke;
CheckPaintingBuffers();
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;
}