123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/Editor/LinkTool.cpp
+++ b/Editor/LinkTool.cpp
@@ -0,0 +1,158 @@
+#include "StdAfx.h"
+#include "linktool.h"
+#include "Viewport.h"
+#include "objects/entity.h"
+
+IMPLEMENT_DYNAMIC(CLinkTool,CEditTool)
+
+//////////////////////////////////////////////////////////////////////////
+CLinkTool::CLinkTool()
+{
+	m_pChild=NULL;
+	SetStatusText("Click on object and drag a link to a new parent");
+
+	m_hLinkCursor = AfxGetApp()->LoadCursor( IDC_POINTER_LINK );
+	m_hLinkNowCursor = AfxGetApp()->LoadCursor( IDC_POINTER_LINKNOW );
+	m_hCurrCursor = m_hLinkCursor;
+}
+
+//////////////////////////////////////////////////////////////////////////
+CLinkTool::~CLinkTool()
+{
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CLinkTool::MouseCallback( CViewport *view,EMouseEvent event,CPoint &point,int flags )
+{
+	if (event == eMouseLDown)
+	{
+		ObjectHitInfo hitInfo(view,point);
+		view->HitTest( point,hitInfo );
+		CBaseObject *obj = hitInfo.object;
+		if (obj)
+		{
+			if (IsRelevant(obj))
+			{
+				m_StartDrag = obj->GetWorldPos();
+				m_pChild=obj;
+			}
+		}
+	}
+	if (event == eMouseLUp)
+	{
+		ObjectHitInfo hitInfo(view,point);
+		view->HitTest( point,hitInfo );
+		CBaseObject *obj = hitInfo.object;
+		if (obj)
+		{
+			if (IsRelevant(obj))
+			{
+				if (m_pChild)
+				{
+					if (ChildIsValid(obj, m_pChild))
+					{
+						CUndo undo( "Link Object(s)" );
+						obj->AttachChild(m_pChild);
+						CString str;
+						str.Format("%s attached to %s", m_pChild->GetName(), obj->GetName());
+						SetStatusText(str);
+					}else
+					{
+						SetStatusText("Error: Cyclic linking or already linked.");
+					}
+				}
+			}
+		}
+		m_pChild=NULL;
+	}
+	if (event == eMouseRDown)
+	{
+		GetIEditor()->SetEditTool(0);
+	}
+	m_hCurrCursor = m_hLinkCursor;
+	if (event == eMouseMove)
+	{
+		m_EndDrag = view->ViewToWorld(point);
+		
+		ObjectHitInfo hitInfo(view,point);
+		view->HitTest( point,hitInfo );
+		CBaseObject *obj = hitInfo.object;
+		if (obj)
+		{
+			if (IsRelevant(obj))
+			{
+				// Set Cursors.
+				view->SetObjectCursor(obj);
+				if (m_pChild)
+				{
+					if (ChildIsValid(obj, m_pChild))
+					{
+						m_hCurrCursor = m_hLinkNowCursor;
+					}
+				}
+			}
+		}
+	}
+	return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CLinkTool::OnKeyDown( CViewport *view,uint nChar,uint nRepCnt,uint nFlags )
+{ 
+	if (nChar == VK_ESCAPE)
+	{
+		// Cancel selection.
+		GetIEditor()->SetEditTool(0);
+	}
+	return false; 
+}
+
+//////////////////////////////////////////////////////////////////////////
+void CLinkTool::Display( DisplayContext &dc )
+{
+	if (m_pChild)
+		dc.DrawLine(m_StartDrag, m_EndDrag, CFColor(1, 0, 0), CFColor(1, 1, 1));
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CLinkTool::ChildIsValid(CBaseObject *pParent, CBaseObject *pChild, int nDir)
+{
+	if (!pParent)
+		return false;
+	if (!pChild)
+		return false;
+	if (pParent==pChild)
+		return false;
+	CBaseObject *pObj;
+	if (nDir & 1)
+	{
+		if (pObj=pChild->GetParent())
+		{
+			if (!ChildIsValid(pParent, pObj, 1))
+			{
+				return false;
+			}
+		}
+	}
+	if (nDir & 2)
+	{
+		for (int i=0;i<pChild->GetChildCount();i++)
+		{
+			if (pObj=pChild->GetChild(i))
+			{
+				if (!ChildIsValid(pParent, pObj, 2))
+				{
+					return false;
+				}
+			}
+		}
+	}
+	return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CLinkTool::OnSetCursor( CViewport *vp )
+{
+	SetCursor( m_hCurrCursor );
+	return true;
+}