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101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
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//========= Copyright <20> 1996-2001, Valve LLC, All rights reserved. ============
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================
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#include "../cl_dll/wrect.h"
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#include "../cl_dll/cl_dll.h"
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#include "vgui.h"
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#include "vgui_loadtga.h"
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#include "vgui_inputstream.h"
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//#include "ui/MemoryInputStream.h"
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// tankefugl: HACK
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// Implemented old MemoryInputStream to work around bugs(?) in the other implementation or in
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// the vgui's handling of the other one
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class MemoryInputStream2 : public vgui::InputStream
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{
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public:
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MemoryInputStream2()
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{
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m_pData = NULL;
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m_DataLen = m_ReadPos = 0;
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}
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virtual void seekStart(bool& success) {m_ReadPos=0; success=true;}
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virtual void seekRelative(int count,bool& success) {m_ReadPos+=count; success=true;}
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virtual void seekEnd(bool& success) {m_ReadPos=m_DataLen; success=true;}
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virtual int getAvailable(bool& success) {success=false; return 0;} // This is what vgui does for files...
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virtual uchar readUChar(bool& success)
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{
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if(m_ReadPos>=0 && m_ReadPos<m_DataLen)
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{
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success=true;
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uchar ret = m_pData[m_ReadPos];
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++m_ReadPos;
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return ret;
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}
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else
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{
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success=false;
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return 0;
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}
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}
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virtual void readUChar(uchar* buf,int count,bool& success)
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{
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for(int i=0; i < count; i++)
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buf[i] = readUChar(success);
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}
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virtual void close(bool& success)
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{
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m_pData = NULL;
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m_DataLen = m_ReadPos = 0;
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}
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uchar *m_pData;
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int m_DataLen;
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int m_ReadPos;
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};
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// :tankefugl
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vgui::BitmapTGA* vgui_LoadTGANoInvertAlpha(char const *pFilename)
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{ return vgui_LoadTGA(pFilename,false); }
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vgui::BitmapTGA* vgui_LoadTGA(char const *pFilename, bool bInvertAlpha)
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{
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// tankefugl:
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MemoryInputStream2 stream;
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stream.m_pData = gEngfuncs.COM_LoadFile((char*)pFilename, 5, &stream.m_DataLen);
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if(!stream.m_pData)
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return NULL;
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stream.m_ReadPos = 0;
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vgui::BitmapTGA *pRet = new vgui::BitmapTGA(&stream, bInvertAlpha);
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gEngfuncs.COM_FreeFile(stream.m_pData);
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return pRet;
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// :tankefugl
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/* // New implementation:
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int nLength = 0;
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uchar* pData = gEngfuncs.COM_LoadFile((char*)pFilename, 5, &nLength);
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if( !pData )
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return NULL;
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MemoryInputStream stream(pData,nLength);
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vgui::BitmapTGA *pRet = new vgui::BitmapTGA(&stream, bInvertAlpha);
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gEngfuncs.COM_FreeFile(pData);
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return pRet;*/
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}
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