89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// conv_bsplumps.c - convert bsp lumps
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//=======================================================================
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#include "ripper.h"
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typedef struct
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{
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int version;
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lump_t lumps[15];
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} dbspheader_t;
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typedef struct
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{
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int nummiptex;
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int dataofs[4]; // [nummiptex]
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} dmiptexlump_t;
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byte* bsp_base;
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bool bsp_halflife = false;
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void Conv_BspTextures( const char *name, lump_t *l )
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{
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dmiptexlump_t *m;
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string genericname;
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mip_t *mip;
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int i, *dofs, size;
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byte *buffer;
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if(!l->filelen) return; // no textures stored
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FS_FileBase( name, genericname );
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m = (dmiptexlump_t *)(bsp_base + l->fileofs);
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m->nummiptex = LittleLong(m->nummiptex);
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dofs = m->dataofs;
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for (i = 0; i < m->nummiptex; i++)
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{
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dofs[i] = LittleLong(dofs[i]);
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if (dofs[i] == -1) continue;
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// needs to emulate directly loading
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mip = (mip_t *)((byte *)m + dofs[i]);
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if(!LittleLong(mip->offsets[0])) continue;
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com.strnlwr(mip->name, mip->name, sizeof(mip->name)); // name
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buffer = ((byte *)m + dofs[i]); // buffer
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size = (int)sizeof(mip_t) + (((mip->width * mip->height) * 85)>>6);
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if( bsp_halflife ) size += sizeof(short) + 768; // palette
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// some Q1 mods contains blank names (e.g. "after the fall")
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if(!com.strlen(mip->name)) com.snprintf( mip->name, 16, "%s_%d", genericname, i );
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ConvMIP(va("miptex/%s", mip->name ), buffer, size ); // convert it
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}
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}
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/*
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============
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ConvBSP
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============
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*/
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bool ConvBSP( const char *name, char *buffer, int filesize )
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{
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dbspheader_t *header = (dbspheader_t *)buffer;
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int i = LittleLong( header->version );
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switch( i )
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{
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case 28:
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case 29:
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bsp_halflife = false;
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break;
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case 30:
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bsp_halflife = true;
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break;
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default:
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return false; // another bsp version
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}
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bsp_base = (byte*)buffer;
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for (i = 0; i < 15; i++)
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{
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header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
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header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
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}
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Conv_BspTextures( name, &header->lumps[2]); // LUMP_TEXTURES
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return true;
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} |