Initial commit of Command & Conquer Renegade source code.

Code/Tools/wdump/wdeview.cpp

@@ -0,0 +1,144 @@
+/*
+**	Command & Conquer Renegade(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	This program is free software: you can redistribute it and/or modify
+**	it under the terms of the GNU General Public License as published by
+**	the Free Software Foundation, either version 3 of the License, or
+**	(at your option) any later version.
+**
+**	This program is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**	GNU General Public License for more details.
+**
+**	You should have received a copy of the GNU General Public License
+**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+// WDView.cpp : implementation file
+//
+
+#include "stdafx.h"
+#include "wdump.h"
+#include "WDEView.h"
+#include "wdumpdoc.h"
+#include "chunk_d.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// CWDumpEditView
+
+IMPLEMENT_DYNCREATE(CWDumpEditView, CEditView)
+
+CWDumpEditView::CWDumpEditView()
+{
+}
+
+CWDumpEditView::~CWDumpEditView()
+{
+}
+
+
+BEGIN_MESSAGE_MAP(CWDumpEditView, CEditView)
+	//{{AFX_MSG_MAP(CWDumpEditView)
+		// NOTE - the ClassWizard will add and remove mapping macros here.
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// CWDumpEditView drawing
+
+void CWDumpEditView::OnDraw(CDC* pDC)
+{
+	CDocument* pDoc = GetDocument();
+	// TODO: add draw code here
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// CWDumpEditView diagnostics
+
+#ifdef _DEBUG
+void CWDumpEditView::AssertValid() const
+{
+	CEditView::AssertValid();
+}
+
+void CWDumpEditView::Dump(CDumpContext& dc) const
+{
+	CEditView::Dump(dc);
+}
+#endif //_DEBUG
+
+/////////////////////////////////////////////////////////////////////////////
+// CWDumpEditView message handlers
+
+void CWDumpEditView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) 
+{
+	// TODO: Add your specialized code here and/or call the base class
+	CEdit &edit = GetEditCtrl();
+	edit.SetReadOnly(TRUE);
+	CWdumpDoc *doc= (CWdumpDoc *) GetDocument();
+	ChunkItem *item = doc->m_ChunkItem;
+
+	if(item == 0) {
+		edit.SetWindowText("Load a chunk file and select the chunk in the tree view to see it's hex data here.");
+		return; // no selected chunk item, leave a clear screen.
+	}
+	char *text = Build_Hex_Text((unsigned char *) item->Data, item->Length);
+
+	edit.SetWindowText(text);
+
+	delete text;
+}
+
+
+char * CWDumpEditView::Build_Hex_Text(unsigned char * Source, int Length)
+{
+	if(Source == 0) {
+			char *c = new char[256];
+			sprintf(c, "This chunk is a wrapper chunk for other chunks. It's total length is %d", Length);
+			return c;
+	}
+	int per_line = 16;
+
+	int lines = Length / per_line;
+	int buf_size = Length * 5 + per_line * 5;
+	
+	char *buffer = new char[buf_size];
+	char *dest = buffer;
+
+	while(lines--) {
+		if(lines == 0) {
+			per_line = Length % per_line;
+		}
+		int counter = 0;
+		do {
+			sprintf(dest, "%02x ", Source[counter]);
+			dest += 3;
+		} while(++counter < per_line);
+
+		*dest++ = ' ';
+		*dest++ = ' ';
+
+		counter = 0;
+		do {
+			char c = Source[counter];
+			if(c >= 32 && c <= 192) 
+				*dest++ = c;
+			else 
+				*dest++ = '.';
+		} while(++counter < per_line);
+
+		*dest++ = '\r';
+		*dest++ = '\n';
+		Source += per_line;
+	}
+	*dest = 0;
+	return buffer;
+}