private void GenerateDom()
{
int total = m_Instructions.Count;
if (m_Elements == null || m_Elements.Length != total)
{
m_Elements = new AutomatedIMElement[total];
}
m_Root = new AutomatedIMElement(this, -1);
m_Root.descendants = new ArraySegment <AutomatedIMElement>(m_Elements);
Stack <AutomatedIMElement> ancestors = new Stack <AutomatedIMElement>();
Stack <int> ancestorsIndex = new Stack <int>();
ancestors.Push(m_Root);
ancestorsIndex.Push(-1);
for (int i = 0; i < total; ++i)
{
var instruction = m_Instructions[i];
var parent = ancestors.Peek();
AutomatedIMElement element = CreateAutomatedElement(instruction, i);
m_Elements[i] = element;
element.parent = parent;
parent.AddChild(element);
if (i + 1 < total)
{
var nextInstruction = m_Instructions[i + 1];
if (nextInstruction.level > instruction.level)
{
ancestors.Push(element);
ancestorsIndex.Push(i);
}
if (nextInstruction.level < instruction.level)
{
for (int j = instruction.level - nextInstruction.level; j > 0; --j)
{
var closingParent = ancestors.Pop();
var closingParentIndex = ancestorsIndex.Pop();
closingParent.descendants = new ArraySegment <AutomatedIMElement>(m_Elements, closingParentIndex + 1, i - closingParentIndex);
}
}
}
}
while (ancestors.Peek() != m_Root)
{
var closingParent = ancestors.Pop();
var closingParentIndex = ancestorsIndex.Pop();
closingParent.descendants = new ArraySegment <AutomatedIMElement>(m_Elements, closingParentIndex, (total - 1) - closingParentIndex);
}
}
private AutomatedIMElement CreateAutomatedElement(IMGUIInstruction imguiInstruction, int index)
{
AutomatedIMElement element = new AutomatedIMElement(this, index);
element.enabled = imguiInstruction.enabled;
switch (imguiInstruction.type)
{
case InstructionType.kStyleDraw:
{
var drawInstruction = m_DrawInstructions[imguiInstruction.typeInstructionIndex];
element.rect = drawInstruction.rect;
element.style = drawInstruction.usedGUIStyle;
element.guiContent = drawInstruction.usedGUIContent;
break;
}
case InstructionType.kLayoutBeginGroup:
{
var layoutInstruction = m_LayoutList[imguiInstruction.typeInstructionIndex];
element.rect = layoutInstruction.unclippedRect;
element.style = layoutInstruction.style;
break;
}
case InstructionType.kLayoutNamedControl:
{
var namedControlInstruction = m_NamedControlList[imguiInstruction.typeInstructionIndex];
element.rect = namedControlInstruction.rect;
element.controlName = namedControlInstruction.name;
break;
}
}
return(element);
}
public void AddChild(AutomatedIMElement element)
{
m_Children.Add(element);
}
