void FBehaviorTreeConnectionDrawingPolicy::Internal_DrawLineWithArrow(const FVector2D& StartAnchorPoint, const FVector2D& EndAnchorPoint, const FLinearColor& WireColor, float WireThickness, bool bDrawBubbles)
{
//@TODO: Should this be scaled by zoom factor?
const float LineSeparationAmount = 4.5f;
const FVector2D DeltaPos = EndAnchorPoint - StartAnchorPoint;
const FVector2D UnitDelta = DeltaPos.SafeNormal();
const FVector2D Normal = FVector2D(DeltaPos.Y, -DeltaPos.X).SafeNormal();
// Come up with the final start/end points
const FVector2D DirectionBias = Normal * LineSeparationAmount;
const FVector2D LengthBias = ArrowRadius.X * UnitDelta;
const FVector2D StartPoint = StartAnchorPoint + DirectionBias + LengthBias;
const FVector2D EndPoint = EndAnchorPoint + DirectionBias - LengthBias;
// Draw a line/spline
DrawConnection(WireLayerID, StartPoint, EndPoint, WireColor, WireThickness, bDrawBubbles);
// Draw the arrow
const FVector2D ArrowDrawPos = EndPoint - ArrowRadius;
const float AngleInRadians = FMath::Atan2(DeltaPos.Y, DeltaPos.X);
FSlateDrawElement::MakeRotatedBox(
DrawElementsList,
ArrowLayerID,
FPaintGeometry(ArrowDrawPos, ArrowImage->ImageSize * ZoomFactor, ZoomFactor),
ArrowImage,
ClippingRect,
ESlateDrawEffect::None,
AngleInRadians,
TOptional<FVector2D>(),
FSlateDrawElement::RelativeToElement,
WireColor
);
}
void FConnectionDrawingPolicy::DrawSplineWithArrow(const FVector2D& StartPoint, const FVector2D& EndPoint, const FLinearColor& WireColor, float WireThickness, bool bDrawBubbles, bool Bidirectional)
{
// Draw the spline
DrawConnection(
WireLayerID,
StartPoint,
EndPoint,
WireColor,
WireThickness,
bDrawBubbles);
// Draw the arrow
if (ArrowImage != nullptr)
{
FVector2D ArrowPoint = EndPoint - ArrowRadius;
FSlateDrawElement::MakeBox(
DrawElementsList,
ArrowLayerID,
FPaintGeometry(ArrowPoint, ArrowImage->ImageSize * ZoomFactor, ZoomFactor),
ArrowImage,
ClippingRect,
ESlateDrawEffect::None,
WireColor
);
}
}
void FConnectionDrawingPolicy::DrawSplineWithArrow(const FVector2D& StartPoint, const FVector2D& EndPoint, const FConnectionParams& Params)
{
// Draw the spline
DrawConnection(
WireLayerID,
StartPoint,
EndPoint,
Params);
// Draw the arrow
if (ArrowImage != nullptr)
{
FVector2D ArrowPoint = EndPoint - ArrowRadius;
FSlateDrawElement::MakeBox(
DrawElementsList,
ArrowLayerID,
FPaintGeometry(ArrowPoint, ArrowImage->ImageSize * ZoomFactor, ZoomFactor),
ArrowImage,
ClippingRect,
ESlateDrawEffect::None,
Params.WireColor
);
}
}
void Connection::DrawConnection(wxDC& dc)
{
if (InputShape && OutputShape)
{
float Zoom = InputShape->GetCanvas() ? InputShape->GetCanvas()->GetZoom() : 1;
wxPoint pos1 = InputShape->GetInputPos(InputId);
wxPoint pos2 = OutputShape->GetOutputPos(OutputId);
DrawConnection(dc,pos1,pos2);
}
}
DrawMaze(short drawdots)
{
short i;
DisplaySprites(FALSE);
SetRast(rastport,0);
#if 0
if (maxx+border >= width || maxy+border >= height)
return -1; /* Error: Too big */
#endif
if (maxx+border >= 1023 || maxy+border >= 1023)
return -1; /* Error: Too big */
SetDrMd(rastport,JAM1);
if (drawdots==DOTS_EXCLUDED) /* Called from construction set */
{
if (!((mazestatus&GRAPH_LOADED)&&(mazestatus&VARS_LOADED))) return 0;
SetRast(rastport,0);
SetMazeColors();
}
BoxScreen();
SetAPen(rastport,OUTLINECOLOR);
mazedraw=1; /* Draw all of the edges */
MazeDraw1(v_head);
MazeDraw1(center_box);
MazeDraw1(ghost_start);
for(i=0;i<4;i++) MazeDraw1(box_side[i]);
MazeDraw1(top_box);
SetAPen(rastport,PATHCOLOR);
mazedraw=0; /* Clear the pathways */
MazeDraw1(v_head);
MazeDraw1(center_box);
MazeDraw1(ghost_start);
for(i=0;i<4;i++) MazeDraw1(box_side[i]);
MazeDraw1(top_box);
SetAPen(rastport,DOTCOLOR);
numdots=0;
DotDraw2(v_head);
if(drawdots==DOTS_EXCLUDED)
{
WireFrameDraw(v_head);
if (linedrawn)
{
DrawConnection(sv,olddir);
linedrawn=!linedrawn; /* Nullify the effect within DrawConn... */
}
}
DisplaySprites(sprites_on);
#if MYDEBUG
printf("View->DxOffset=%d \tScreen->LeftEdge=%d\n",
curr_View->DxOffset,PlayScreen->LeftEdge);
#endif
return 1; /* 1 signals main module that maze was drawn successfully */
}
