476 lines
10 KiB
C++
476 lines
10 KiB
C++
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// Filename:- g2export_interface.cpp
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//
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// This file contains interface between the functions that the ghoul2 exporter queries to get model info, and the app itself.
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#include <assert.h>
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#include "q3data.h"
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#include "models.h"
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#include "mdx_format.h"
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#include "matrix4.h"
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//
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#include "g2export_interface.h"
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int giNumLODs;
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int giNumSurfaces;
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int giNumTags;
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char *va(char *format, ...)
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{
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va_list argptr;
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static char string[8][1024];
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static int i=0;
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i=(i+1)&7;
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va_start (argptr, format);
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vsprintf (string[i], format,argptr);
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va_end (argptr);
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return string[i];
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}
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// returns (eg) "\dir\name" for "\dir\name.bmp"
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//
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char *Filename_WithoutExt(LPCSTR psFilename)
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{
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static char sString[MAX_PATH]; // *not* MAX_QPATH!
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char *p;
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char *p2;
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strcpy(sString,psFilename);
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while ((p = strchr(sString,'/'))!=NULL) *p='\\'; // q3data filenames have both types of slashes... sigh
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p = strrchr(sString,'.');
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p2= strrchr(sString,'\\');
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// special check, make sure the first suffix we found from the end wasn't just a directory suffix (eg on a path'd filename with no extension anyway)
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//
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if (p && (p2==0 || (p>p2)))
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*p=0;
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return sString;
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}
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static md3SurfaceData_t *GetMD3SurfaceData(int iSurfaceIndex)
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{
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// unfortunately, tags are still left as surfaces internally to this app, so I need to skip over them instead of
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// just using the index directly...(sigh)
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int iSurfNumber = 0;
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for ( int i = 0; i < g_data.model.numSurfaces; i++ )
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{
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md3SurfaceData_t *pSurfData = &g_data.surfData[i];
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if ( strstr( pSurfData->header.name, "tag_" ) != pSurfData->header.name )
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{
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md3Surface_t *psurf = &pSurfData->header;
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if ( psurf->numTriangles == 0 || psurf->numVerts == 0 )
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continue;
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if (iSurfNumber++ == iSurfaceIndex)
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{
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return pSurfData;
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}
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}
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}
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assert(0);
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return NULL;
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}
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LPCSTR G2Exporter_Surface_GetName(int iSurfaceIndex)
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{
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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md3Surface_t *pSurf = &pSurfaceData->header;
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// return it without any trailing "_n" digits...
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//
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static char sTemp[1024];
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strcpy(sTemp,pSurf->name);
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char *pSuffix = &sTemp[strlen(sTemp)-2];
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if (pSuffix[0] == '_' && isdigit(pSuffix[1]))
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{
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*pSuffix = '\0';
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}
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return sTemp;
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}
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}
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else
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{
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// tag surface...
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//
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static char sTemp[1024];
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md3Tag_t *pTag = &g_data.tags[0][iSurfaceIndex - giNumSurfaces];
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//
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// prepend name with a '*', and remove "tag_" from name start if present...
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//
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strcpy(sTemp,"*");
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strcat(sTemp, (!strnicmp(pTag->name,"tag_",4)) ? &pTag->name[4] : pTag->name);
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return sTemp;
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}
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assert(0);
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return "Error";
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}
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LPCSTR G2Exporter_Surface_GetShaderName(int iSurfaceIndex)
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{
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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return pSurfaceData->shaders[0].name;
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}
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}
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else
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{
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// tag surface...
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//
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return "[NoMaterial]";
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}
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assert(0);
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return "Error";
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}
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int G2Exporter_Surface_GetNumVerts(int iSurfaceIndex, int iLODIndex)
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{
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if (iLODIndex == giNumLODs-1)
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{
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// q3data surface...
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//
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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md3Surface_t *pSurf = &pSurfaceData->header;
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return pSurf->numVerts;
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}
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}
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else
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{
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// tag surface...
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//
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return 3; // for one triangle
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}
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}
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else
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{
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// imported surface...
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//
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return ImportedModel.ImportedLODs[iLODIndex].ImportedSurfaces[ImportedModel.SurfaceIndexRemaps[iSurfaceIndex]].ImportedVerts.size();
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}
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assert(0);
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return 0;
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}
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int G2Exporter_Surface_GetNumTris(int iSurfaceIndex, int iLODIndex)
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{
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if (iLODIndex == giNumLODs-1)
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{
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// q3data surface...
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//
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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md3Surface_t *pSurf = &pSurfaceData->header;
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return pSurf->numTriangles;
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}
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}
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else
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{
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// tag surface...
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//
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return 1; // for one triangle
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}
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}
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else
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{
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// imported surface...
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//
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return ImportedModel.ImportedLODs[iLODIndex].ImportedSurfaces[ImportedModel.SurfaceIndexRemaps[iSurfaceIndex]].ImportedTris.size();
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}
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assert(0);
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return 0;
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}
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int G2Exporter_Surface_GetTriIndex(int iSurfaceIndex, int iTriangleIndex, int iTriVert, int iLODIndex)
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{
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if (iLODIndex == giNumLODs-1)
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{
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// q3data surface...
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//
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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return pSurfaceData->orderedTriangles[iTriangleIndex][iTriVert];
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}
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}
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else
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{
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// tag surface...
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//
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return iTriVert;
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}
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}
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else
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{
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// imported surface...
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//
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return ImportedModel.ImportedLODs[iLODIndex].ImportedSurfaces[ImportedModel.SurfaceIndexRemaps[iSurfaceIndex]].ImportedTris[iTriangleIndex].indexes[iTriVert];
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}
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assert(0);
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return 0;
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}
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vec3_t *G2Exporter_Surface_GetVertNormal(int iSurfaceIndex, int iVertIndex, int iLODIndex)
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{
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static vec3_t v3={0};
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memset(v3,0,sizeof(v3));
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if (iLODIndex == giNumLODs-1)
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{
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// q3data surface...
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//
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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// this logic is kinda gay, not sure why the *6 etc, but that's how other q3data code works, so...
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//
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float **ppVerts = pSurfaceData->verts;
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memcpy(v3,(vec3_t*) &ppVerts[0][iVertIndex*6+3], sizeof(v3));
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{
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Matrix4 Swap;
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Swap.Identity();
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if (1)
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{
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Swap.SetRow(0,Vect3(0.0f,-1.0f,0.0f));
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Swap.SetRow(1,Vect3(1.0f,0.0f,0.0f));
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}
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Swap.CalcFlags();
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Vect3 v3In((const float *)v3);
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static Vect3 v3Out;
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Swap.XFormVect(v3Out,v3In);
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return (vec3_t*) &v3Out;
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}
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}
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}
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else
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{
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// tag surface...
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//
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// I don't think tag-surfaces normals have any meaning for ghoul2, so...
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//
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return &v3;
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}
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}
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else
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{
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// imported surface...
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//
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vec3_t &v3Src = ImportedModel.ImportedLODs[iLODIndex].ImportedSurfaces[ImportedModel.SurfaceIndexRemaps[iSurfaceIndex]].ImportedVerts[iVertIndex].normal;
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memcpy(v3,v3Src,sizeof(v3));
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return &v3;
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}
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assert(0);
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return &v3;
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}
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vec3_t *G2Exporter_Surface_GetVertCoords(int iSurfaceIndex, int iVertIndex, int iLODIndex)
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{
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static vec3_t v3={0};
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memset(&v3,0,sizeof(v3));
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if (iLODIndex == giNumLODs-1)
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{
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// q3data surface...
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//
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if (iSurfaceIndex < giNumSurfaces)
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{
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// standard surface...
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//
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md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
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if (pSurfaceData)
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{
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// this logic is kinda gay, not sure why the *6 etc, but that's how other q3data code works, so...
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//
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float **ppVerts = pSurfaceData->verts;
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static vec3_t v3;
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for (int i=0; i<3; i++)
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{
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v3[i] = ppVerts[0][iVertIndex*6+i];// /MD3_XYZ_SCALE;
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}
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// return &v3;
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Matrix4 Swap;
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Swap.Identity();
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if (1)
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{
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Swap.SetRow(0,Vect3(0.0f,-1.0f,0.0f));
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Swap.SetRow(1,Vect3(1.0f,0.0f,0.0f));
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}
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Swap.CalcFlags();
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Vect3 v3In((const float *)v3);
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static Vect3 v3Out;
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Swap.XFormVect(v3Out,v3In);
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return (vec3_t*) &v3Out;
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}
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}
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else
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{
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// tag surface...
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//
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assert(iVertIndex<3);
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md3Tag_t *pTag = &g_data.tags[0][iSurfaceIndex - giNumSurfaces];
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vec3_t v3New;
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//#ifdef PERFECT_CONVERSION
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v3New[0] = pTag->axis[0][iVertIndex] ;
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v3New[1] = pTag->axis[1][iVertIndex] ;
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v3New[2] = pTag->axis[2][iVertIndex] ;
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// don't worry about how this crap works, it just does (arrived at by empirical methods... :-)
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//
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// (mega-thanks to Gil as usual)
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//
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if (iVertIndex==2)
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{
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VectorCopy(pTag->origin,v3);
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}
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else
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if (iVertIndex==1)
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{
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v3New[0] = 2.0f * pTag->axis[1][iG2_TRISIDE_MIDDLE];
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v3New[1] = -(2.0f * pTag->axis[0][iG2_TRISIDE_MIDDLE]);
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v3New[2] = 2.0f * pTag->axis[2][iG2_TRISIDE_MIDDLE];
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VectorSubtract(pTag->origin,v3New,v3);
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}
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else
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{
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v3New[0] = pTag->axis[1][iG2_TRISIDE_LONGEST];
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v3New[1] = -pTag->axis[0][iG2_TRISIDE_LONGEST];
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v3New[2] = pTag->axis[2][iG2_TRISIDE_LONGEST];
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|
|
|
||
|
|
VectorSubtract(pTag->origin,v3New,v3);
|
||
|
|
}
|
||
|
|
|
||
|
|
// return (vec3_t*) &v3;
|
||
|
|
|
||
|
|
Matrix4 Swap;
|
||
|
|
Swap.Identity();
|
||
|
|
|
||
|
|
if (1)
|
||
|
|
{
|
||
|
|
Swap.SetRow(0,Vect3(0.0f,-1.0f,0.0f));
|
||
|
|
Swap.SetRow(1,Vect3(1.0f,0.0f,0.0f));
|
||
|
|
}
|
||
|
|
Swap.CalcFlags();
|
||
|
|
|
||
|
|
Vect3 v3In((const float *)v3);
|
||
|
|
static Vect3 v3Out;
|
||
|
|
Swap.XFormVect(v3Out,v3In);
|
||
|
|
|
||
|
|
return (vec3_t*) &v3Out;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// imported surface...
|
||
|
|
//
|
||
|
|
vec3_t &v3Src = ImportedModel.ImportedLODs[iLODIndex].ImportedSurfaces[ImportedModel.SurfaceIndexRemaps[iSurfaceIndex]].ImportedVerts[iVertIndex].vertCoords;
|
||
|
|
memcpy(v3,v3Src,sizeof(v3));
|
||
|
|
return &v3;
|
||
|
|
}
|
||
|
|
|
||
|
|
assert(0);
|
||
|
|
return &v3;
|
||
|
|
}
|
||
|
|
|
||
|
|
vec2_t *G2Exporter_Surface_GetTexCoords(int iSurfaceIndex, int iVertIndex, int iLODIndex)
|
||
|
|
{
|
||
|
|
static vec2_t v2={0};
|
||
|
|
memset(v2,0,sizeof(v2));
|
||
|
|
|
||
|
|
if (iLODIndex == giNumLODs-1)
|
||
|
|
{
|
||
|
|
// q3data surface...
|
||
|
|
//
|
||
|
|
if (iSurfaceIndex < giNumSurfaces)
|
||
|
|
{
|
||
|
|
// standard surface...
|
||
|
|
//
|
||
|
|
md3SurfaceData_t *pSurfaceData = GetMD3SurfaceData(iSurfaceIndex);
|
||
|
|
if (pSurfaceData)
|
||
|
|
{
|
||
|
|
baseVertex_t *pBaseVertex = pSurfaceData->baseVertexes;
|
||
|
|
return (vec2_t*) &pBaseVertex[iVertIndex].st[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// tag surface...
|
||
|
|
//
|
||
|
|
// Texture coords aren't relevant for tag-surfaces, so...
|
||
|
|
//
|
||
|
|
return &v2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// imported surface...
|
||
|
|
//
|
||
|
|
vec2_t &v2Src = ImportedModel.ImportedLODs[iLODIndex].ImportedSurfaces[ImportedModel.SurfaceIndexRemaps[iSurfaceIndex]].ImportedVerts[iVertIndex].texCoords;
|
||
|
|
memcpy(v2,v2Src,sizeof(v2));
|
||
|
|
return &v2;
|
||
|
|
}
|
||
|
|
|
||
|
|
assert(0);
|
||
|
|
return &v2;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//////////////////// eof /////////////////////
|
||
|
|
|