1 files changed, 593 insertions, 0 deletions
diff --git a/hammer/prefab3d.cpp b/hammer/prefab3d.cpp
new file mode 100644
index 0000000..109f0da
--- /dev/null
+++ b/hammer/prefab3d.cpp
@@ -0,0 +1,593 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "stdafx.h"
+#include <sys\types.h>
+#include <sys\stat.h>
+#include "ChunkFile.h"
+#include "Prefab3D.h"
+#include "Options.h"
+#include "History.h"
+#include "MapGroup.h"
+#include "MapWorld.h"
+#include "GlobalFunctions.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPrefab3D::CPrefab3D()
+{
+	m_pWorld = NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPrefab3D::~CPrefab3D()
+{
+	FreeData();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPrefab3D::FreeData()
+{
+	delete m_pWorld;
+	m_pWorld = NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CMapClass *CPrefab3D::Create(void)
+{
+	if (!IsLoaded() && (Load() == -1))
+	{
+		return(NULL);
+	}
+
+	CMapClass *pCopy;
+	CMapClass *pOriginal;
+
+	//
+	// Check for just one object - if only one, don't group it.
+	//
+	if (m_pWorld->GetChildCount() == 1)
+	{
+		
+		pOriginal = m_pWorld->GetChildren()->Element(0);
+		pCopy = pOriginal->Copy(false);
+	}
+	else
+	{
+		// Original object is world
+		pOriginal = m_pWorld;
+
+		// New object is a new group
+		pCopy = (CMapClass *)new CMapGroup;
+	}
+
+	//
+	// Copy children from original (if any).
+	//
+	pCopy->CopyChildrenFrom(pOriginal, false);
+
+	// HACK: must calculate bounds here due to a hack in CMapClass::CopyChildrenFrom
+	pCopy->CalcBounds();
+
+	return(pCopy);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : point - Where to center the prefab.
+// Output : CMapClass
+//-----------------------------------------------------------------------------
+CMapClass *CPrefab3D::CreateAtPoint(const Vector &point)
+{
+	//
+	// Create the prefab object. It will either be a single object
+	// or a group containing the prefab objects.
+	//
+	CMapClass *pObject = Create();
+
+	if (pObject != NULL)
+	{
+		//
+		// Move the prefab center to match the given point.
+		//
+		Vector move = point;
+		Vector center;
+		pObject->GetBoundsCenter(center);
+		for (int i = 0; i < 3; i++)
+		{
+			move[i] -= center[i];
+		}
+
+		BOOL bOldLock = Options.SetLockingTextures(TRUE);
+		pObject->TransMove(move);
+		Options.SetLockingTextures(bOldLock);
+	}
+
+	return(pObject);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : 
+// Output : 
+//-----------------------------------------------------------------------------
+CMapClass *CPrefab3D::CreateAtPointAroundOrigin( Vector const &point )
+{
+	//
+	// Create the prefab object. It will either be a single object
+	// or a group containing the prefab objects.
+	//
+	CMapClass *pObject = Create();
+
+	if( !pObject )
+		return NULL;
+
+	Vector move = point;
+
+	BOOL bOldLock = Options.SetLockingTextures( TRUE );
+	pObject->TransMove( move );
+	Options.SetLockingTextures( bOldLock );
+
+	return ( pObject );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pBox - 
+// Output : 
+//-----------------------------------------------------------------------------
+CMapClass *CPrefab3D::CreateInBox(BoundBox *pBox)
+{
+	//
+	// Create the prefab object. It will either be a single object
+	// or a group containing the prefab objects.
+	//
+	CMapClass *pObject = Create();
+
+	if (pObject != NULL)
+	{
+		//
+		// Scale the prefab to match the box bounds.
+		//
+		Vector NewSize;
+		pBox->GetBoundsSize(NewSize);
+
+		Vector CurSize;
+		pObject->GetBoundsSize(CurSize);
+
+		Vector scale;
+		for (int i = 0; i < 3; i++)
+		{
+			scale[i] = NewSize[i] / CurSize[i];
+		}
+
+		Vector zero(0, 0, 0);
+		pObject->TransScale(zero, scale);
+
+		//
+		// Move the prefab center to match the box center.
+		//
+		Vector move;
+		pBox->GetBoundsCenter(move);
+
+		Vector center;
+		pObject->GetBoundsCenter(center);
+		for (int i = 0; i < 3; i++)
+		{
+			move[i] -= center[i];
+		}
+
+		BOOL bOldLock = Options.SetLockingTextures(TRUE);
+		pObject->TransMove(move);
+		Options.SetLockingTextures(bOldLock);
+	}
+
+	return(pObject);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPrefab3D::CenterOnZero()
+{
+	Vector ptCenter;
+	m_pWorld->GetBoundsCenter(ptCenter);
+	ptCenter[0] = -ptCenter[0];
+	ptCenter[1] = -ptCenter[1];
+	ptCenter[2] = -ptCenter[2];
+
+	BOOL bOldLock = Options.SetLockingTextures(TRUE);
+	m_pWorld->TransMove(ptCenter);
+	Options.SetLockingTextures(bOldLock);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns true if the prefab data has been loaded from disk, false if not.
+//-----------------------------------------------------------------------------
+bool CPrefab3D::IsLoaded(void)
+{
+	return (m_pWorld != NULL);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPrefabRMF::CPrefabRMF()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPrefabRMF::~CPrefabRMF()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : file - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::DoLoad(std::fstream& file, DWORD dwFlags)
+{
+	int iRvl;
+
+	GetHistory()->Pause();
+
+	AddMRU(this);
+
+	if(m_pWorld)
+		delete m_pWorld;
+	m_pWorld = new CMapWorld( NULL );
+
+	// read data
+	if(dwFlags & lsMAP)
+		iRvl = m_pWorld->SerializeMAP(file, FALSE);
+	else
+		iRvl = m_pWorld->SerializeRMF(file, FALSE);
+
+	// error?
+	if(iRvl == -1)
+	{
+		GetHistory()->Resume();
+		return iRvl;
+	}
+
+	m_pWorld->CalcBounds(TRUE);
+
+	GetHistory()->Resume();
+
+	return 1;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : file - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::DoSave(std::fstream& file, DWORD dwFlags)
+{
+	// save world
+	if(dwFlags & lsMAP)
+		return m_pWorld->SerializeMAP(file, TRUE);
+
+	return m_pWorld->SerializeRMF(file, TRUE);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::Load(DWORD dwFlags)
+{
+	//
+	// Get parent library's file handle.
+	//
+	CPrefabLibraryRMF *pLibrary = dynamic_cast <CPrefabLibraryRMF *>(CPrefabLibrary::FindID(dwLibID));
+	if (!pLibrary)
+	{
+		return -1;
+	}
+
+	std::fstream &file = pLibrary->m_file;
+	file.seekg(dwFileOffset);
+
+	return(DoLoad(file, dwFlags));
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pszFilename - 
+//			bLoadNow - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::Init(LPCTSTR pszFilename, BOOL bLoadNow, DWORD dwFlags)
+{
+	std::fstream file(pszFilename, std::ios::in | std::ios::binary);
+
+	// ensure we're named
+	memset(szName, 0, sizeof szName);
+	strncpy(szName, pszFilename, sizeof szName - 1);
+	return Init(file, bLoadNow, dwFlags);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : file - 
+//			bLoadNow - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::Init(std::fstream &file, BOOL bLoadNow, DWORD dwFlags)
+{
+	int iRvl = 1;	// start off ok
+	
+	if(bLoadNow)
+	{
+		// do load now
+		iRvl = DoLoad(file, dwFlags);
+	}
+
+	if(!szName[0])
+	{
+		// ensure we're named
+		strcpy(szName, "Prefab");
+	}
+
+	return iRvl;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pszFilename - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::Save(LPCTSTR pszFilename, DWORD dwFlags)
+{
+	std::fstream file(pszFilename, std::ios::out | std::ios::binary);
+	return Save(file, dwFlags);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : file - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabRMF::Save(std::fstream& file, DWORD dwFlags)
+{
+	if (!IsLoaded() && (Load() == -1))
+	{
+		AfxMessageBox("Couldn't Load prefab to Save it.");
+		return -1;
+	}
+
+	return DoSave(file, dwFlags);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPrefabVMF::CPrefabVMF()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CPrefabVMF::~CPrefabVMF()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns true if the prefab data has been loaded from disk, false if not.
+//-----------------------------------------------------------------------------
+bool CPrefabVMF::IsLoaded(void)
+{
+	if (m_pWorld == NULL)
+	{
+		return false;
+	}
+
+	//
+	// We have loaded this prefab at least once this session. Check the file date/time
+	// against our cached date/time to see if we need to reload it.
+	//
+	struct _stat info;
+	if (_stat(m_szFilename, &info) == 0)
+	{
+		if (info.st_mtime > m_nFileTime)
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabVMF::Load(DWORD dwFlags)
+{
+	//
+	// Create a new world to hold the loaded objects.
+	//
+	if (m_pWorld != NULL)
+	{
+		delete m_pWorld;
+	}
+
+	m_pWorld = new CMapWorld( NULL );
+
+	//
+	// Open the file.
+	//
+	CChunkFile File;
+	ChunkFileResult_t eResult = File.Open(m_szFilename, ChunkFile_Read);
+
+	//
+	// Read the file.
+	//
+	if (eResult == ChunkFile_Ok)
+	{
+		//
+		// Set up handlers for the subchunks that we are interested in.
+		//
+		CChunkHandlerMap Handlers;
+		Handlers.AddHandler("world", (ChunkHandler_t)CPrefabVMF::LoadWorldCallback, this);
+		Handlers.AddHandler("entity", (ChunkHandler_t)CPrefabVMF::LoadEntityCallback, this);
+		// dvs: Handlers.SetErrorHandler((ChunkErrorHandler_t)CPrefabVMF::HandleLoadError, this);
+
+		File.PushHandlers(&Handlers);
+
+		//CMapDoc::SetLoadingMapDoc( this );  dvs: fix - without this, no displacements in prefabs
+
+		//
+		// Read the sub-chunks. We ignore keys in the root of the file, so we don't pass a
+		// key value callback to ReadChunk.
+		//
+		while (eResult == ChunkFile_Ok)
+		{
+			eResult = File.ReadChunk();
+		}
+
+		if (eResult == ChunkFile_EOF)
+		{
+			eResult = ChunkFile_Ok;
+		}
+
+		//CMapDoc::SetLoadingMapDoc( NULL );
+
+		File.PopHandlers();
+	}
+
+	if (eResult == ChunkFile_Ok)
+	{
+		m_pWorld->PostloadWorld();
+		m_pWorld->CalcBounds();
+
+		File.Close();
+
+		//
+		// Store the file modification time to use as a cache check.
+		//
+		struct _stat info;
+		if (_stat(m_szFilename, &info) == 0)
+		{
+			m_nFileTime = info.st_mtime;
+		}
+	}
+	else
+	{
+		//GetMainWnd()->MessageBox(File.GetErrorText(eResult), "Error loading prefab", MB_OK | MB_ICONEXCLAMATION);
+	}
+
+	return(eResult == ChunkFile_Ok);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pFile - 
+//			pData - 
+// Output : ChunkFileResult_t
+//-----------------------------------------------------------------------------
+ChunkFileResult_t CPrefabVMF::LoadEntityCallback(CChunkFile *pFile, CPrefabVMF *pPrefab)
+{
+	CMapEntity *pEntity = new CMapEntity;
+
+	ChunkFileResult_t eResult = pEntity->LoadVMF(pFile);
+
+	if (eResult == ChunkFile_Ok)
+	{
+		CMapWorld *pWorld = pPrefab->GetWorld();
+		pWorld->AddChild(pEntity);
+	}
+
+	return(ChunkFile_Ok);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pFile - 
+//			pData - 
+// Output : ChunkFileResult_t
+//-----------------------------------------------------------------------------
+ChunkFileResult_t CPrefabVMF::LoadWorldCallback(CChunkFile *pFile, CPrefabVMF *pPrefab)
+{
+	CMapWorld *pWorld = pPrefab->GetWorld();
+	ChunkFileResult_t eResult = pWorld->LoadVMF(pFile);
+	return(eResult);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pszFilename - 
+//			dwFlags - 
+// Output : int
+//-----------------------------------------------------------------------------
+int CPrefabVMF::Save(LPCTSTR pszFilename, DWORD dwFlags)
+{
+	return 1;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CPrefabVMF::SetFilename(const char *szFilename)
+{
+	//
+	// Extract the file name without the path or extension as the prefab name.
+	//
+	_splitpath(szFilename, NULL, NULL, szName, NULL);
+
+	strcpy(m_szFilename, szFilename);
+}
+