Import Aliens vs Predator - Gold (Build 116)
Source code release, imported from: https://www.gamefront.com/games/aliens-vs-predator-3/file/avp-gold-complete-source-code All text files were converted to Unix format.
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Rebellion Developments
Patryk Obara
commit
218ca90543
572 changed files with 434587 additions and 0 deletions
192
3dc/win95/awBmpLd.cpp
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192
3dc/win95/awBmpLd.cpp
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#include "advwin32.h"
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#ifndef DB_LEVEL
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#define DB_LEVEL 4
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#endif
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#include "db.h"
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#include "awTexLd.hpp"
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// BMP Loader
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class AwBmpLoader : public AwTl::TypicalTexFileLoader
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{
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protected:
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virtual void LoadHeaderInfo(MediaMedium * pMedium);
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virtual AwTl::Colour * GetPalette();
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virtual bool AreRowsReversed();
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virtual void LoadNextRow(AwTl::PtrUnion pRow);
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WORD bmp_bitdepth;
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DWORD bmp_offset;
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DWORD bmp_headsize;
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unsigned bmp_filepitchpad;
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unsigned bmp_bitmask;
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MediaMedium * m_pMedium;
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};
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void AwBmpLoader::LoadHeaderInfo(MediaMedium * pMedium)
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{
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m_pMedium = pMedium; // store for later
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db_log4("\tLoading a BMP file");
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pMedium->MovePos(+10); // 2 bytes BM (magic) and 4 bytes bmp_filesize and 4 bytes reserved
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MediaRead(pMedium,&bmp_offset);
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MediaRead(pMedium,&bmp_headsize);
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// 12 for OS/2 1.x 40 for Windows, 64 for OS/2 2.x
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if (12 != bmp_headsize && 40 != bmp_headsize && 64 != bmp_headsize)
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{
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awTlLastErr = AW_TLE_BADFILEFORMAT;
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db_logf3(("AwCreateTexture(): ERROR: BMP_headersize (%u) is not a recognized BMP format",bmp_headsize));
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}
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#if DB_LEVEL >= 4
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switch (bmp_headsize)
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{
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case 12:
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db_log4("\tBMP format is OS/2 1.x");
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break;
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case 40:
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db_log4("\tBMP format is Windows 3.x");
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break;
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case 64:
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db_log4("\tBMP format is OS/2 2.x");
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}
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#endif
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if (bmp_headsize >= 40)
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{
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DWORD width, height;
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MediaRead(pMedium,&width);
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MediaRead(pMedium,&height);
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m_nWidth = width;
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m_nHeight = height;
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}
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else
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{
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WORD width, height;
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MediaRead(pMedium,&width);
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MediaRead(pMedium,&height);
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m_nWidth = width;
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m_nHeight = height;
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}
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// next WORD is planes and should == 1
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WORD bmp_planes = 0; // ALEX: added in initialization to prevent compiler warnings
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MediaRead(pMedium,&bmp_planes);
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if (1!=bmp_planes)
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{
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awTlLastErr = AW_TLE_BADFILEDATA;
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db_log3("AwCreateTexture(): ERROR: BMP_planes should be 1");
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}
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MediaRead(pMedium,&bmp_bitdepth);
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db_logf4(("\tBMP_bitdepth is %hd",bmp_bitdepth));
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if (1!=bmp_bitdepth && 2!=bmp_bitdepth && 4!=bmp_bitdepth && 8!=bmp_bitdepth && 24!=bmp_bitdepth)
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{
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awTlLastErr = AW_TLE_BADFILEDATA;
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db_logf3(("AwCreateTexture(): ERROR: BMP_bitdepth (%u) should be 1,2,4,8 or 24",bmp_bitdepth));
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}
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if (bmp_headsize >= 40)
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{
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// next DWORD is compression, not supported so only accept 0
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DWORD compression = 0;
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MediaRead(pMedium,&compression);
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if (compression)
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{
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db_log3("AwCreateTexture(): ERROR: Cannont read compressed BMP files");
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awTlLastErr = AW_TLE_BADFILEFORMAT;
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}
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// DWORD bmp_size - ignored, 2xDWORDS ignored
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pMedium->MovePos(+12);
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DWORD palette_size = 0; // ALEX: added in initialization to prevent compiler warnings
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MediaRead(pMedium,&palette_size);
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m_nPaletteSize = palette_size;
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// skip to the start of the palette if there would be one
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pMedium->MovePos(bmp_headsize-36);
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}
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else
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{
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m_nPaletteSize = 0;
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}
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bmp_offset -= (bmp_headsize+14);
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if (!m_nPaletteSize && bmp_bitdepth<=8)
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m_nPaletteSize = 1<<bmp_bitdepth;
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if (m_nPaletteSize)
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bmp_offset -= bmp_headsize >= 40 ? m_nPaletteSize*4 : m_nPaletteSize*3;
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db_logf4(("\tBMP_palettesize is %u",m_nPaletteSize));
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bmp_filepitchpad = (~(m_nWidth*bmp_bitdepth-1))/8 & 3;
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db_logf4(("\tBMP has %u bytes padding per row",bmp_filepitchpad));
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bmp_bitmask = (1<<bmp_bitdepth)-1;
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}
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AwTl::Colour * AwBmpLoader::GetPalette()
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{
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db_assert1(m_nPaletteSize);
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db_assert1(m_pPalette);
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if (m_nPaletteSize > 256)
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{
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awTlLastErr = AW_TLE_BADFILEDATA;
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db_log3("AwCreateTexture(): ERROR: BMP_palettesize is too large");
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}
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else
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{
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AwTl::Colour * pmP = m_pPalette;
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for (unsigned pc = m_nPaletteSize; pc; --pc,++pmP)
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{
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MediaRead(m_pMedium,&pmP->b);
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MediaRead(m_pMedium,&pmP->g);
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MediaRead(m_pMedium,&pmP->r);
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if (bmp_headsize >= 40) m_pMedium->MovePos(+1);
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}
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}
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// skip to the start of the pixel data
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m_pMedium->MovePos(bmp_offset);
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return m_pPalette;
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}
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bool AwBmpLoader::AreRowsReversed()
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{
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return true;
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}
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void AwBmpLoader::LoadNextRow(AwTl::PtrUnion pRow)
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{
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if (m_nPaletteSize)
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{
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unsigned shift = 0;
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BYTE byte = 0; // Not needed.
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for (unsigned colcount = m_nWidth; colcount; --colcount)
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{
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if (!shift)
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{
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shift = 8;
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MediaRead(m_pMedium, &byte);
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}
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shift -= bmp_bitdepth;
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*pRow.byteP++ = static_cast<BYTE>(byte>>shift & bmp_bitmask);
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}
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}
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else
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{
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for (unsigned colcount = m_nWidth; colcount; --colcount)
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{
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MediaRead(m_pMedium,&pRow.colourP->b);
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MediaRead(m_pMedium,&pRow.colourP->g);
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MediaRead(m_pMedium,&pRow.colourP->r);
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++pRow.colourP;
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}
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}
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m_pMedium->MovePos(bmp_filepitchpad);
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}
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#ifdef _MSC_VER
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// VC5.0 tries to compile out code that is in a library
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// and it thinks isn't being used
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#line 186
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#endif
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AWTEXLD_IMPLEMENT_DYNCREATE("BM",AwBmpLoader)
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