protected virtual void DrawRectConnection(Rect rectA, Rect rectB, bool highlight)
{
Vector2[] pointsA = new Vector2[] {
new Vector2(rectA.xMin + 5, rectA.center.y),
new Vector2(rectA.xMin + rectA.width / 2, rectA.yMin + 2),
new Vector2(rectA.xMin + rectA.width / 2, rectA.yMax - 2),
new Vector2(rectA.xMax - 5, rectA.center.y)
};
Vector2[] pointsB = new Vector2[] {
new Vector2(rectB.xMin + 5, rectB.center.y),
new Vector2(rectB.xMin + rectB.width / 2, rectB.yMin + 2),
new Vector2(rectB.xMin + rectB.width / 2, rectB.yMax - 2),
new Vector2(rectB.xMax - 5, rectB.center.y)
};
Vector2 pointA = Vector2.zero;
Vector2 pointB = Vector2.zero;
float minDist = float.MaxValue;
foreach (var a in pointsA)
{
foreach (var b in pointsB)
{
float d = Vector2.Distance(a, b);
if (d < minDist)
{
pointA = a;
pointB = b;
minDist = d;
}
}
}
Color color = Color.grey;
if (highlight)
{
color = Color.green;
}
GLDraw.DrawConnectingCurve(pointA, pointB, color, 1.025f);
Rect dotARect = new Rect(pointA.x - 5, pointA.y - 5, 10, 10);
GUI.Label(dotARect, "", new GUIStyle("U2D.dragDotActive"));
Rect dotBRect = new Rect(pointB.x - 5, pointB.y - 5, 10, 10);
GUI.Label(dotBRect, "", new GUIStyle("U2D.dragDotActive"));
}
protected virtual void DrawGrid(Flowchart flowchart)
{
float width = this.position.width / flowchart.Zoom;
float height = this.position.height / flowchart.Zoom;
// Match background color of scene view
if (EditorGUIUtility.isProSkin)
{
GUI.color = new Color32(71, 71, 71, 255);
}
else
{
GUI.color = new Color32(86, 86, 86, 255);
}
GUI.DrawTexture(new Rect(0, 0, width, height), EditorGUIUtility.whiteTexture);
GUI.color = Color.white;
Color color = new Color32(96, 96, 96, 255);
float gridSize = 128f;
float x = flowchart.ScrollPos.x % gridSize;
while (x < width)
{
GLDraw.DrawLine(new Vector2(x, 0), new Vector2(x, height), color, 1f);
x += gridSize;
}
float y = (flowchart.ScrollPos.y % gridSize);
while (y < height)
{
if (y >= 0)
{
GLDraw.DrawLine(new Vector2(0, y), new Vector2(width, y), color, 1f);
}
y += gridSize;
}
}
protected virtual void DrawFlowchartView(Flowchart flowchart)
{
Block[] blocks = flowchart.GetComponents <Block>();
foreach (var block in blocks)
{
var node = block as Node;
if (node == null)
{
continue;
}
var newRect = new Rect();
newRect.xMin = Mathf.Min(flowchart.ScrollViewRect.xMin, node._NodeRect.xMin - 400);
newRect.xMax = Mathf.Max(flowchart.ScrollViewRect.xMax, node._NodeRect.xMax + 400);
newRect.yMin = Mathf.Min(flowchart.ScrollViewRect.yMin, node._NodeRect.yMin - 400);
newRect.yMax = Mathf.Max(flowchart.ScrollViewRect.yMax, node._NodeRect.yMax + 400);
flowchart.ScrollViewRect = newRect;
}
// Calc rect for script view
Rect scriptViewRect = new Rect(0, 0, this.position.width / flowchart.Zoom, this.position.height / flowchart.Zoom);
EditorZoomArea.Begin(flowchart.Zoom, scriptViewRect);
DrawGrid(flowchart);
GLDraw.BeginGroup(scriptViewRect);
if (Event.current.button == 0 &&
Event.current.type == EventType.MouseDown &&
!mouseOverVariables)
{
flowchart.SelectedBlock = null;
if (!EditorGUI.actionKey)
{
flowchart.ClearSelectedCommands();
}
Selection.activeGameObject = flowchart.gameObject;
}
// The center of the Flowchart depends on the block positions and window dimensions, so we calculate it
// here in the FlowchartWindow class and store it on the Flowchart object for use later.
CalcFlowchartCenter(flowchart, blocks);
// Draw connections
foreach (var block in blocks)
{
DrawConnections(flowchart, block, false);
}
foreach (var block in blocks)
{
DrawConnections(flowchart, block, true);
}
GUIStyle windowStyle = new GUIStyle();
windowStyle.stretchHeight = true;
BeginWindows();
windowBlockMap.Clear();
for (int i = 0; i < blocks.Length; ++i)
{
var block = blocks[i];
float nodeWidthA = nodeStyle.CalcSize(new GUIContent(block.BlockName)).x + 10;
float nodeWidthB = 0f;
if (block._EventHandler != null)
{
nodeWidthB = nodeStyle.CalcSize(new GUIContent(block._EventHandler.GetSummary())).x + 10;
}
if (Event.current.button == 0)
{
Rect tempRect = block._NodeRect;
tempRect.width = Mathf.Max(Mathf.Max(nodeWidthA, nodeWidthB), 120);
tempRect.height = 40;
if (Event.current.type == EventType.MouseDrag && dragWindowId == i)
{
tempRect.x += Event.current.delta.x;
tempRect.y += Event.current.delta.y;
forceRepaintCount = 6;
}
else if (Event.current.type == EventType.MouseUp &&
dragWindowId == i)
{
Vector2 newPos = new Vector2(tempRect.x, tempRect.y);
tempRect.x = startDragPosition.x;
tempRect.y = startDragPosition.y;
Undo.RecordObject((Block)block, "Node Position");
tempRect.x = newPos.x;
tempRect.y = newPos.y;
dragWindowId = -1;
forceRepaintCount = 6;
}
block._NodeRect = tempRect;
}
Rect windowRect = new Rect(block._NodeRect);
windowRect.x += flowchart.ScrollPos.x;
windowRect.y += flowchart.ScrollPos.y;
GUILayout.Window(i, windowRect, DrawWindow, "", windowStyle);
GUI.backgroundColor = Color.white;
windowBlockMap.Add(block);
}
EndWindows();
// Draw Event Handler labels
foreach (var block in blocks)
{
if (block._EventHandler != null)
{
string handlerLabel = "";
EventHandlerInfoAttribute info = EventHandlerEditor.GetEventHandlerInfo(block._EventHandler.GetType());
if (info != null)
{
handlerLabel = "<" + info.EventHandlerName + "> ";
}
GUIStyle handlerStyle = new GUIStyle(EditorStyles.whiteLabel);
handlerStyle.wordWrap = true;
handlerStyle.margin.top = 0;
handlerStyle.margin.bottom = 0;
handlerStyle.alignment = TextAnchor.MiddleCenter;
Rect rect = new Rect(block._NodeRect);
rect.height = handlerStyle.CalcHeight(new GUIContent(handlerLabel), block._NodeRect.width);
rect.x += flowchart.ScrollPos.x;
rect.y += flowchart.ScrollPos.y - rect.height;
GUI.Label(rect, handlerLabel, handlerStyle);
}
}
// Draw play icons beside all executing blocks
if (Application.isPlaying)
{
foreach (var b in blocks)
{
if (b.IsExecuting())
{
b.ExecutingIconTimer = Time.realtimeSinceStartup + FungusConstants.ExecutingIconFadeTime;
b.ActiveCommand.ExecutingIconTimer = Time.realtimeSinceStartup + FungusConstants.ExecutingIconFadeTime;
forceRepaintCount = 6;
}
if (b.ExecutingIconTimer > Time.realtimeSinceStartup)
{
Rect rect = new Rect(b._NodeRect);
rect.x += flowchart.ScrollPos.x - 37;
rect.y += flowchart.ScrollPos.y + 3;
rect.width = 34;
rect.height = 34;
if (!b.IsExecuting())
{
float alpha = (b.ExecutingIconTimer - Time.realtimeSinceStartup) / FungusConstants.ExecutingIconFadeTime;
alpha = Mathf.Clamp01(alpha);
GUI.color = new Color(1f, 1f, 1f, alpha);
}
if (GUI.Button(rect, FungusEditorResources.texPlayBig as Texture, new GUIStyle()))
{
SelectBlock(flowchart, b);
}
GUI.color = Color.white;
}
}
}
PanAndZoom(flowchart);
GLDraw.EndGroup();
EditorZoomArea.End();
}