LGram16
e067522598
Game client codebase including: - CharacterActionControl: Character and creature management - GlobalScript: Network, items, skills, quests, utilities - RYLClient: Main client application with GUI and event handlers - Engine: 3D rendering engine (RYLGL) - MemoryManager: Custom memory allocation - Library: Third-party dependencies (DirectX, boost, etc.) - Tools: Development utilities 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
//------------------------------------------------------------------------------
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// File: KeyProvider.cpp
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//
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// Desc: DirectShow sample code - provides a class to unkey Windows Media
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// for use with ASF, WMA, WMV media files.
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//
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// Copyright (c) 1999-2001 Microsoft Corporation. All rights reserved.
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//------------------------------------------------------------------------------
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#include "stdafx.h"
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#include <streams.h>
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#include <atlbase.h>
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#include <atlimpl.cpp>
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#include <stdio.h>
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#include <dshowasf.h>
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#include "keyprovider.h"
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//
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// Build warning to remind developers of the dependency on the
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// Windows Media Format SDK libraries, which do not ship with
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// the DirectX SDK.
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//
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#pragma message("NOTE: To link and run this sample, you must install the Windows Media Format SDK.")
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#pragma message("After signing a license agreement with Microsoft, you will receive a")
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#pragma message("unique version of WMStub.LIB, which should be added to this VC++ project.")
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#pragma message("Without this library, you will receive linker errors for the following:")
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#pragma message(" WMCreateCertificate")
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#pragma message("You must also add WMVCore.LIB to the linker settings to resolve the following:")
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#pragma message(" WMCreateProfileManager")
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CKeyProvider::CKeyProvider() : m_cRef(0)
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{
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}
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//////////////////////////////////////////////////////////////////////////
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//
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// IUnknown methods
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//
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//////////////////////////////////////////////////////////////////////////
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ULONG CKeyProvider::AddRef()
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{
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return ++m_cRef;
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}
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ULONG CKeyProvider::Release()
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{
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ASSERT(m_cRef > 0);
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m_cRef--;
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if(m_cRef == 0)
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{
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delete this;
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// don't return m_cRef, because the object doesn't exist anymore
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return((ULONG) 0);
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}
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return(m_cRef);
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}
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//
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// QueryInterface
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//
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// We only support IUnknown and IServiceProvider
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//
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HRESULT CKeyProvider::QueryInterface(REFIID riid, void ** ppv)
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{
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if(riid == IID_IServiceProvider || riid == IID_IUnknown)
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{
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*ppv = (void *) static_cast<IServiceProvider *>(this);
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AddRef();
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return NOERROR;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP CKeyProvider::QueryService(REFIID siid, REFIID riid, void **ppv)
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{
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if(siid == __uuidof(IWMReader) && riid == IID_IUnknown)
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{
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IUnknown *punkCert;
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HRESULT hr = WMCreateCertificate(&punkCert);
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if(SUCCEEDED(hr))
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*ppv = (void *) punkCert;
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else
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printf("CKeyProvider::QueryService failed to create certificate! hr=0x%x\n", hr);
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return hr;
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}
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return E_NOINTERFACE;
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}
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