OurPaint/ournodes.c

/*
* Our Paint: A light weight GPU powered painting program.
* Copyright (C) 2022-2023 Wu Yiming
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "ourpaint.h"

extern LA MAIN;
extern tnsMain* T;
extern OurPaint *Our;

laBaseNodeType OUR_IDN_BRUSH_SETTINGS;
laBaseNodeType OUR_IDN_BRUSH_OUTPUTS;
laBaseNodeType OUR_IDN_BRUSH_DEVICE;

laPropContainer* OUR_PC_IDN_BRUSH_SETTINGS;
laPropContainer* OUR_PC_IDN_BRUSH_OUTPUTS;
laPropContainer* OUR_PC_IDN_BRUSH_DEVICE;

void IDN_BrushSettingsInit(OurBrushSettingsNode* n, int NoCreate){
    if(!NoCreate){
        n->CanvasScale=laCreateOutSocket(n,"Canvas Scale",LA_PROP_FLOAT);
        n->Size=laCreateOutSocket(n,"SIZE",LA_PROP_FLOAT);
        n->Transparency=laCreateOutSocket(n,"TRANSP",LA_PROP_FLOAT);
        n->Hardness=laCreateOutSocket(n,"HARD",LA_PROP_FLOAT);
        n->Smudge=laCreateOutSocket(n,"SMUDGE",LA_PROP_FLOAT);
        n->SmudgeLength=laCreateOutSocket(n,"LEN",LA_PROP_FLOAT);
        n->DabsPerSize=laCreateOutSocket(n,"Dabs Per Size",LA_PROP_FLOAT);
        n->Slender=laCreateOutSocket(n,"SLENDER",LA_PROP_FLOAT);
        n->Angle=laCreateOutSocket(n,"ANGLE",LA_PROP_FLOAT);
        n->Color=laCreateOutSocket(n,"COLOR",LA_PROP_FLOAT|LA_PROP_ARRAY);
        strSafeSet(&n->Base.Name, "Brush Settings");
    }
    if(!n->Iteration) n->Iteration=laCreateOutSocket(n,"ITER",LA_PROP_INT);
    if(!n->Custom1) n->Custom1=laCreateOutSocket(n,"C1",LA_PROP_FLOAT);
    if(!n->Custom2) n->Custom2=laCreateOutSocket(n,"C2",LA_PROP_FLOAT);
    if(!n->Gunkyness) n->Gunkyness=laCreateOutSocket(n,"GUNKY",LA_PROP_FLOAT);
    if(!n->Force) n->Force=laCreateOutSocket(n,"FORCE",LA_PROP_FLOAT);
    n->CanvasScale->Data=&n->rCanvasScale;
    n->Size->Data=&n->rSize;
    n->Transparency->Data=&n->rTransparency;
    n->Hardness->Data=&n->rHardness;
    n->Smudge->Data=&n->rSmudge;
    n->SmudgeLength->Data=&n->rSmudgeLength;
    n->DabsPerSize->Data=&n->rDabsPerSize;
    n->Slender->Data=&n->rSlender;
    n->Angle->Data=&n->rAngle;
    n->Color->Data=Our->CurrentColor; n->Color->ArrLen=3;
    n->Gunkyness->Data=&n->rGunkyness;
    n->Force->Data=&n->rForce;
    n->Iteration->Data=&n->rIteration;
    n->Custom1->Data=&n->rCustom1;
    n->Custom2->Data=&n->rCustom2;
}
void IDN_BrushSettingsDestroy(OurBrushSettingsNode* n){
    laDestroyOutSocket(n->Size); laDestroyOutSocket(n->Transparency); laDestroyOutSocket(n->Hardness); laDestroyOutSocket(n->Smudge);
    laDestroyOutSocket(n->SmudgeLength); laDestroyOutSocket(n->DabsPerSize); laDestroyOutSocket(n->Slender); laDestroyOutSocket(n->Angle);
    laDestroyOutSocket(n->CanvasScale); laDestroyOutSocket(n->Iteration); laDestroyOutSocket(n->Custom1); laDestroyOutSocket(n->Custom2);
    laDestroyOutSocket(n->Gunkyness); laDestroyOutSocket(n->Force);
    strSafeDestroy(&n->Base.Name);
}
int IDN_BrushSettingsVisit(OurBrushSettingsNode* n, laNodeVisitInfo* vi){
    LA_GUARD_THIS_NODE(n,vi);  LA_ADD_THIS_NODE(n,vi);
    return LA_DAG_FLAG_PERM;
}
int IDN_BrushSettingsEval(OurBrushSettingsNode* n){
    if(!Our->CurrentBrush){ return 0; } // unlikely;
    n->rCanvasScale = Our->CurrentScale;
    n->rSize = OUR_BRUSH_ACTUAL_SIZE(Our->CurrentBrush);
    n->rTransparency = Our->CurrentBrush->Transparency;
    n->rHardness = Our->CurrentBrush->Hardness;
    n->rSmudge = Our->CurrentBrush->Smudge;
    n->rSmudgeLength = Our->CurrentBrush->SmudgeResampleLength;
    n->rDabsPerSize = Our->CurrentBrush->DabsPerSize;
    n->rSlender = Our->CurrentBrush->Slender;
    n->rAngle = Our->CurrentBrush->Angle;
    n->rGunkyness = Our->CurrentBrush->Gunkyness;
    n->rForce = Our->CurrentBrush->Force;
    n->rIteration = Our->CurrentBrush->Iteration;
    n->rCustom1 = Our->CurrentBrush->Custom1;
    n->rCustom2 = Our->CurrentBrush->Custom2;
    return 1;
}
void IDN_BrushSettingsCopy(OurBrushSettingsNode* new, OurBrushSettingsNode* old, int DoRematch){
    if(DoRematch){ return;}
    LA_IDN_OLD_DUPL(Angle)       LA_IDN_OLD_DUPL(CanvasScale)
    LA_IDN_OLD_DUPL(Color)       LA_IDN_OLD_DUPL(Custom1)
    LA_IDN_OLD_DUPL(Custom2)     LA_IDN_OLD_DUPL(DabsPerSize)
    LA_IDN_OLD_DUPL(Hardness)    LA_IDN_OLD_DUPL(Iteration)
    LA_IDN_OLD_DUPL(Size)        LA_IDN_OLD_DUPL(Slender)
    LA_IDN_OLD_DUPL(Smudge)      LA_IDN_OLD_DUPL(SmudgeLength)
    LA_IDN_OLD_DUPL(Transparency)LA_IDN_OLD_DUPL(Gunkyness)
    LA_IDN_OLD_DUPL(Force)
}
void ui_BrushSettingsNode(laUiList *uil, laPropPack *This, laPropPack *Extra, laColumn *UNUSED, int context){
    laColumn* c=laFirstColumn(uil); OurBrushSettingsNode*n=This->EndInstance;
    laUiItem* b,*u;
    LA_BASE_NODE_HEADER(uil,c,This);

    b=laBeginRow(uil,c,0,0);
        laShowSeparator(uil,c)->Expand=1;
        laShowNodeSocket(uil,c,This,"size",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"transparency",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"hardness",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"slender",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"angle",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"color",0)->Flags|=LA_UI_SOCKET_LABEL_N;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0);
        laShowSeparator(uil,c)->Expand=1;
        laShowNodeSocket(uil,c,This,"smudge_length",0)->Flags|=LA_UI_SOCKET_LABEL_W;
        laShowNodeSocket(uil,c,This,"smudge",0)->Flags|=LA_UI_SOCKET_LABEL_W;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0);
        laShowSeparator(uil,c)->Expand=1;
        laShowNodeSocket(uil,c,This,"gunkyness",0)->Flags|=LA_UI_SOCKET_LABEL_W;
        laShowNodeSocket(uil,c,This,"force",0)->Flags|=LA_UI_SOCKET_LABEL_W;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0); u=laShowLabel(uil,c,"Canvas Scale",0,0);u->Flags|=LA_TEXT_ALIGN_RIGHT; u->Expand=1;  laShowNodeSocket(uil,c,This,"canvas_scale",0);
        u=laShowLabel(uil,c,"Dabs Per Size",0,0);u->Flags|=LA_TEXT_ALIGN_RIGHT; u->Expand=1; laShowNodeSocket(uil,c,This,"dabs_per_size",0); laEndRow(uil,b);
    
    b=laBeginRow(uil,c,0,0);
        laShowSeparator(uil,c)->Expand=1; laShowNodeSocket(uil,c,This,"iteration",0)->Flags|=LA_UI_SOCKET_LABEL_W;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0); u=laShowItem(uil,c,0,"our.tools.current_brush.c1_name");u->Flags|=LA_UI_FLAGS_PLAIN|LA_TEXT_ALIGN_RIGHT; u->Expand=1;
        laShowNodeSocket(uil,c,This,"c1",0); laEndRow(uil,b);
        b=laBeginRow(uil,c,0,0); u=laShowItem(uil,c,0,"our.tools.current_brush.c2_name");u->Flags|=LA_UI_FLAGS_PLAIN|LA_TEXT_ALIGN_RIGHT; u->Expand=1;
        laShowNodeSocket(uil,c,This,"c2",0); laEndRow(uil,b);
}

void IDN_BrushOutputsInit(OurBrushOutputsNode* n, int NoCreate){
    if(!NoCreate){
        n->Offset=laCreateInSocket("OFFSET",LA_PROP_FLOAT);
        n->Size=laCreateInSocket("SIZE",LA_PROP_FLOAT);
        n->Transparency=laCreateInSocket("TRANSP",LA_PROP_FLOAT);
        n->Hardness=laCreateInSocket("HRAD",LA_PROP_FLOAT);
        n->Smudge=laCreateInSocket("SMUDGE",LA_PROP_FLOAT);
        n->SmudgeLength=laCreateInSocket("LENGTH",LA_PROP_FLOAT);
        n->DabsPerSize=laCreateInSocket("Dabs Per Size",LA_PROP_FLOAT);
        n->Slender=laCreateInSocket("SLENDER",LA_PROP_FLOAT);
        n->Angle=laCreateInSocket("ANGLE",LA_PROP_FLOAT);
        n->Color=laCreateInSocket("COLOR",LA_PROP_FLOAT);
    }
    if(!n->Repeats) n->Repeats=laCreateInSocket("REPEATS",LA_PROP_INT);
    if(!n->Discard) n->Discard=laCreateInSocket("DISCARD",LA_PROP_INT);
    if(!n->Gunkyness) n->Gunkyness=laCreateInSocket("GUNKY",LA_PROP_FLOAT);
    if(!n->Force) n->Force=laCreateInSocket("FORCE",LA_PROP_FLOAT);
    strSafeSet(&n->Base.Name, "Brush Outputs");
}
void IDN_BrushOutputsDestroy(OurBrushOutputsNode* n){
    laDestroyInSocket(n->Offset);
    laDestroyInSocket(n->Size); laDestroyInSocket(n->Transparency); laDestroyInSocket(n->Hardness); laDestroyInSocket(n->Smudge);
    laDestroyInSocket(n->SmudgeLength); laDestroyInSocket(n->DabsPerSize); laDestroyInSocket(n->Slender); laDestroyInSocket(n->Angle);
    laDestroyInSocket(n->Color); laDestroyInSocket(n->Repeats); laDestroyInSocket(n->Discard);
    laDestroyInSocket(n->Gunkyness); laDestroyInSocket(n->Force);
    strSafeDestroy(&n->Base.Name);
}
int IDN_BrushOutputsVisit(OurBrushOutputsNode* n, laNodeVisitInfo* vi){
    LA_GUARD_THIS_NODE(n,vi);
#define BRUSH_OUT_VISIT(a) \
    if(LA_SRC_AND_PARENT(n->a)){ laBaseNode*bn=n->a->Source->Parent; LA_VISIT_NODE(bn,vi); }
    BRUSH_OUT_VISIT(Offset) BRUSH_OUT_VISIT(Size) BRUSH_OUT_VISIT(Transparency)
    BRUSH_OUT_VISIT(Hardness) BRUSH_OUT_VISIT(Smudge) BRUSH_OUT_VISIT(SmudgeLength)
    BRUSH_OUT_VISIT(DabsPerSize) BRUSH_OUT_VISIT(Slender) BRUSH_OUT_VISIT(Angle)
    BRUSH_OUT_VISIT(Color) BRUSH_OUT_VISIT(Repeats) BRUSH_OUT_VISIT(Discard)
    BRUSH_OUT_VISIT(Gunkyness) BRUSH_OUT_VISIT(Force)
#undef BRUSH_OUT_VISIT
    LA_ADD_THIS_NODE(n,vi);
    return LA_DAG_FLAG_PERM;
}
int IDN_BrushOutputsEval(OurBrushOutputsNode* n){
    if(!Our->CurrentBrush) return 0;
#define BRUSH_OUT_EVAL(a) \
    if(LA_SRC_AND_PARENT(n->a)){ \
        if(n->a->Source->DataType&LA_PROP_INT){ Our->CurrentBrush->Eval##a=*((int*)n->a->Source->Data); } \
        if(n->a->Source->DataType&LA_PROP_FLOAT){ Our->CurrentBrush->Eval##a=*((real*)n->a->Source->Data); } \
    }
    if(LA_SRC_AND_PARENT(n->Offset) && (n->Offset->Source->DataType&LA_PROP_FLOAT|LA_PROP_ARRAY) && n->Offset->Source->ArrLen>=2){
        Our->CurrentBrush->EvalOffset[0]=((real*)n->Offset->Source->Data)[0];
        Our->CurrentBrush->EvalOffset[1]=((real*)n->Offset->Source->Data)[1];
    }
    if(LA_SRC_AND_PARENT(n->Color) && (n->Color->Source->DataType&LA_PROP_FLOAT|LA_PROP_ARRAY) && n->Color->Source->ArrLen>=3){
        Our->CurrentBrush->EvalColor[0]=((real*)n->Color->Source->Data)[0];
        Our->CurrentBrush->EvalColor[1]=((real*)n->Color->Source->Data)[1];
        Our->CurrentBrush->EvalColor[2]=((real*)n->Color->Source->Data)[2];
    }
    BRUSH_OUT_EVAL(Size)
    BRUSH_OUT_EVAL(Transparency)
    BRUSH_OUT_EVAL(Hardness)
    BRUSH_OUT_EVAL(Smudge)
    BRUSH_OUT_EVAL(SmudgeLength)
    BRUSH_OUT_EVAL(DabsPerSize)
    BRUSH_OUT_EVAL(Slender)
    BRUSH_OUT_EVAL(Angle)
    BRUSH_OUT_EVAL(Gunkyness)
    BRUSH_OUT_EVAL(Force)
    BRUSH_OUT_EVAL(Repeats)
    BRUSH_OUT_EVAL(Discard)
#undef BRUSH_OUT_EVAL
    return 1;
}
void IDN_BrushOutputsCopy(OurBrushOutputsNode* new, OurBrushOutputsNode* old, int DoRematch){
    if(DoRematch){
        LA_IDN_NEW_LINK(Offset) LA_IDN_NEW_LINK(Size) LA_IDN_NEW_LINK(Transparency) LA_IDN_NEW_LINK(Hardness)
        LA_IDN_NEW_LINK(Smudge) LA_IDN_NEW_LINK(SmudgeLength) LA_IDN_NEW_LINK(DabsPerSize) LA_IDN_NEW_LINK(Slender)
        LA_IDN_NEW_LINK(Angle) LA_IDN_NEW_LINK(Color) LA_IDN_NEW_LINK(Repeats) LA_IDN_NEW_LINK(Discard)
        LA_IDN_NEW_LINK(Gunkyness) LA_IDN_NEW_LINK(Force)
        return;
    }
    return;
}
void ui_BrushOutputsNode(laUiList *uil, laPropPack *This, laPropPack *Extra, laColumn *UNUSED, int context){
    laColumn* c=laFirstColumn(uil); OurBrushOutputsNode*n=This->EndInstance;
    laUiItem* b,*u;
    LA_BASE_NODE_HEADER(uil,c,This);

    b=laBeginRow(uil,c,0,0);
        laShowNodeSocket(uil,c,This,"offset",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"size",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"transparency",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"hardness",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"slender",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"angle",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"color",0)->Flags|=LA_UI_SOCKET_LABEL_N;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0);
        laShowNodeSocket(uil,c,This,"smudge",0)->Flags|=LA_UI_SOCKET_LABEL_E;
        laShowNodeSocket(uil,c,This,"smudge_length",0)->Flags|=LA_UI_SOCKET_LABEL_E;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0);
        laShowNodeSocket(uil,c,This,"gunkyness",0)->Flags|=LA_UI_SOCKET_LABEL_E;
        laShowNodeSocket(uil,c,This,"force",0)->Flags|=LA_UI_SOCKET_LABEL_E;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0); laShowNodeSocket(uil,c,This,"dabs_per_size",0); laShowLabel(uil,c,"Dabs Per Size",0,0); laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0);
        laShowNodeSocket(uil,c,This,"repeats",0)->Flags|=LA_UI_SOCKET_LABEL_E;
        laShowNodeSocket(uil,c,This,"discard",0)->Flags|=LA_UI_SOCKET_LABEL_E;
    laEndRow(uil,b);
}

void IDN_BrushDeviceInit(OurBrushDeviceNode* n, int NoCreate){
    if(!NoCreate){
        n->Pressure=laCreateOutSocket(n,"PRESSURE",LA_PROP_FLOAT);
        n->Tilt=laCreateOutSocket(n,"TILT",LA_PROP_FLOAT|LA_PROP_ARRAY);
        n->IsEraser=laCreateOutSocket(n,"ERASER",LA_PROP_INT);
        n->Position=laCreateOutSocket(n,"POS",LA_PROP_FLOAT|LA_PROP_ARRAY);
        n->Speed=laCreateOutSocket(n,"SPD",LA_PROP_FLOAT);
        n->Angle=laCreateOutSocket(n,"ANGLE",LA_PROP_FLOAT);
        n->Length=laCreateOutSocket(n,"LENGTH",LA_PROP_FLOAT);
        n->LengthAccum=laCreateOutSocket(n,"ACUM",LA_PROP_FLOAT);
        strSafeSet(&n->Base.Name, "Brush Device");
    }
    if(!n->Twist){ n->Twist=laCreateOutSocket(n,"TWIST",LA_PROP_FLOAT); }
    n->Pressure->Data=&n->rPressure;
    n->Tilt->Data=n->rTilt; n->Tilt->ArrLen=2;
    n->Twist->Data=&n->rTwist;
    n->IsEraser->Data=&n->rIsEraser;
    n->Position->Data=n->rPosition; n->Position->ArrLen=2;
    n->Speed->Data=&n->rSpeed;
    n->Angle->Data=&n->rAngle;
    n->Length->Data=&n->rLength;
    n->LengthAccum->Data=&n->rLengthAccum;
}
void IDN_BrushDeviceDestroy(OurBrushDeviceNode* n){
    laDestroyOutSocket(n->Pressure); laDestroyOutSocket(n->Tilt); laDestroyOutSocket(n->Position); laDestroyOutSocket(n->IsEraser); laDestroyOutSocket(n->Speed);
    laDestroyOutSocket(n->Angle); laDestroyOutSocket(n->Length); laDestroyOutSocket(n->LengthAccum); laDestroyOutSocket(n->Twist);
    strSafeDestroy(&n->Base.Name);
}
int IDN_BrushDeviceVisit(OurBrushDeviceNode* n, laNodeVisitInfo* vi){
    LA_GUARD_THIS_NODE(n,vi); LA_ADD_THIS_NODE(n,vi);
    return LA_DAG_FLAG_PERM;
}
int IDN_BrushDeviceEval(OurBrushDeviceNode* n){
    if(!Our->CurrentBrush){ return 0; } // unlikely;
    tnsVectorSet2v(n->rPosition, Our->CurrentBrush->EvalPosition);
    tnsVectorSet2v(n->rTilt, Our->CurrentBrush->EvalTilt);
    n->rAngle=Our->CurrentBrush->EvalStrokeAngle;
    n->rIsEraser = Our->CurrentBrush->EvalIsEraser;
    n->rPressure = Our->CurrentBrush->EvalPressure;
    n->rTwist = Our->CurrentBrush->EvalTwist;
    n->rSpeed = Our->CurrentBrush->EvalSpeed;
    n->rLength = Our->CurrentBrush->EvalStrokeLength;
    n->rLengthAccum = Our->CurrentBrush->EvalStrokeLengthAccum;
    return 1;
}
void IDN_BrushDeviceCopy(OurBrushDeviceNode* new, OurBrushDeviceNode* old, int DoRematch){
    if(DoRematch){ return;}
    LA_IDN_OLD_DUPL(Pressure) LA_IDN_OLD_DUPL(Tilt) LA_IDN_OLD_DUPL(Position) LA_IDN_OLD_DUPL(Twist)
    LA_IDN_OLD_DUPL(IsEraser) LA_IDN_OLD_DUPL(Speed) LA_IDN_OLD_DUPL(Angle)
    LA_IDN_OLD_DUPL(Length) LA_IDN_OLD_DUPL(LengthAccum)
}
void ui_BrushDeviceNode(laUiList *uil, laPropPack *This, laPropPack *Extra, laColumn *UNUSED, int context){
    laColumn* c=laFirstColumn(uil); OurBrushDeviceNode*n=This->EndInstance;
    laUiItem* b,*u;
    LA_BASE_NODE_HEADER(uil,c,This);

    b=laBeginRow(uil,c,0,0);
        laShowSeparator(uil,c)->Expand=1;
        laShowNodeSocket(uil,c,This,"position",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"speed",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"angle",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"pressure",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"tilt",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"twist",0)->Flags|=LA_UI_SOCKET_LABEL_N;
        laShowNodeSocket(uil,c,This,"is_eraser",0)->Flags|=LA_UI_SOCKET_LABEL_N;
    laEndRow(uil,b);
    b=laBeginRow(uil,c,0,0); laShowSeparator(uil,c)->Expand=1;
        laShowNodeSocket(uil,c,This,"length_accum",0)->Flags|=LA_UI_SOCKET_LABEL_W; laShowNodeSocket(uil,c,This,"length",0)->Flags|=LA_UI_SOCKET_LABEL_W; laEndRow(uil,b);
    
}

int ourEvalBrush(){
    return Our->CurrentBrush?laRunPage(Our->CurrentBrush->Rack, 1):0;
}
int ourRebuildBrushEval(){
    return Our->CurrentBrush?laRebuildPageEval(Our->CurrentBrush->Rack):0;
}

void ourRegisterNodes(){
    laPropContainer *pc; laProp *p;
    laOperatorType *at;
    laEnumProp *ep;

    pc=laAddPropertyContainer("our_node_brush_settings", "Brush Settings", "Brush settings node to read from",0,ui_BrushSettingsNode,sizeof(OurBrushSettingsNode),lapost_Node,0,1);
    OUR_PC_IDN_BRUSH_SETTINGS=pc; laPropContainerExtraFunctions(pc,0,0,0,0,laui_DefaultNodeOperationsPropUiDefine);
    laAddSubGroup(pc,"base","Base","Base node","la_base_node",0,0,0,0,0,0,0,0,0,0,0,LA_UDF_LOCAL);
    laAddSubGroup(pc,"canvas_scale", "Canvas scale","Canvas scale","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,CanvasScale),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"size", "Size","Size","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Size),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"transparency", "Transparency","Transparency","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Transparency),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"hardness", "Hardness","Hardness","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Hardness),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"smudge", "Smudge","Smudge","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Smudge),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"smudge_length", "Smudge Length","Smudge length","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,SmudgeLength),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"dabs_per_size", "Dabs Per Size","Dabs per size","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,DabsPerSize),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"slender", "Slender","Slender","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Slender),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"angle", "Angle","Angle","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Angle),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"color", "Color","Color","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Color),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"gunkyness", "Gunkyness","Gunkyness","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Gunkyness),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"force", "Force","Force","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Force),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"iteration", "Iteration","Iteration","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Iteration),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"c1", "C1","Custom 1","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Custom1),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"c2", "C2","Custom 2","la_out_socket",0,0,0,offsetof(OurBrushSettingsNode,Custom2),0,0,0,0,0,0,0,LA_UDF_SINGLE);

    pc=laAddPropertyContainer("our_node_brush_outputs", "Brush Outputs", "Brush outputs to draw actual dabs",0,ui_BrushOutputsNode,sizeof(OurBrushOutputsNode),lapost_Node,0,1);
    OUR_PC_IDN_BRUSH_OUTPUTS=pc; laPropContainerExtraFunctions(pc,0,0,0,0,laui_DefaultNodeOperationsPropUiDefine);
    laAddSubGroup(pc,"base","Base","Base node","la_base_node",0,0,0,0,0,0,0,0,0,0,0,LA_UDF_LOCAL);
    laAddSubGroup(pc,"offset", "Offset","Offset","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Offset),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"size", "Size","Size","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Size),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"transparency", "Transparency","Transparency","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Transparency),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"hardness", "Hardness","Hardness","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Hardness),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"smudge", "Smudge","Smudge","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Smudge),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"smudge_length", "Smudge Length","Smudge length","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,SmudgeLength),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"dabs_per_size", "Dabs Per Size","Dabs per size","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,DabsPerSize),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"slender", "Slender","Slender","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Slender),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"angle", "Angle","Angle","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Angle),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"gunkyness", "Gunkyness","Gunkyness","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Gunkyness),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"force", "Force","Force","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Force),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"color", "Color","Color","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Color),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"repeats", "Repeats","Repeats","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Repeats),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"discard", "Discard","Discard","la_in_socket",0,0,0,offsetof(OurBrushOutputsNode,Discard),0,0,0,0,0,0,0,LA_UDF_SINGLE);

    pc=laAddPropertyContainer("our_node_brush_device", "Brush Device", "Brush device input",0,ui_BrushDeviceNode,sizeof(OurBrushDeviceNode),lapost_Node,0,1);
    OUR_PC_IDN_BRUSH_DEVICE =pc; laPropContainerExtraFunctions(pc,0,0,0,0,laui_DefaultNodeOperationsPropUiDefine);
    laAddSubGroup(pc,"base","Base","Base node","la_base_node",0,0,0,0,0,0,0,0,0,0,0,LA_UDF_LOCAL);
    laAddSubGroup(pc,"pressure","Pressure","Pressure of the input","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Pressure),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"tilt", "Tilt","Pen tilt vector","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Tilt),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"twist", "Twist","Pen twist angle","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Twist),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"is_eraser", "Is Eraser","Input event is from an eraser","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,IsEraser),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"position", "Dab position","Interpolated dab position","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Position),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"speed","Speed","Speed on the canvas","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Speed),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"angle","Angle","Direction of the brush","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Angle),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"length","Length","Length of this brush stroke","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,Length),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    laAddSubGroup(pc,"length_accum","Accumulated Length","Accumulated stroke length","la_out_socket",0,0,0,offsetof(OurBrushDeviceNode,LengthAccum),0,0,0,0,0,0,0,LA_UDF_SINGLE);
    
    LA_IDN_REGISTER("Brush Settings",U'🖌',OUR_IDN_BRUSH_SETTINGS,OUR_PC_IDN_BRUSH_SETTINGS, IDN_BrushSettings, OurBrushSettingsNode);
    LA_IDN_REGISTER("Brush Outputs",U'🖌',OUR_IDN_BRUSH_OUTPUTS,OUR_PC_IDN_BRUSH_OUTPUTS, IDN_BrushOutputs, OurBrushOutputsNode);
    LA_IDN_REGISTER("Brush Device",U'🖳',OUR_IDN_BRUSH_DEVICE,OUR_PC_IDN_BRUSH_DEVICE, IDN_BrushDevice, OurBrushDeviceNode);
    
    laNodeCategory* nc=laEnsureNodeCategory("Our Paint",0,LA_RACK_TYPE_DRIVER);

    laNodeCategoryAddNodeTypes(LA_NODE_CATEGORY_DRIVER, &OUR_IDN_BRUSH_OUTPUTS,0LL);
    laNodeCategoryAddNodeTypes(nc, &OUR_IDN_BRUSH_DEVICE, 0LL);
    laNodeCategoryAddNodeTypes(nc, &OUR_IDN_BRUSH_SETTINGS, 0LL);
}