mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-26 22:21:10 +00:00
428 lines
12 KiB
C++
428 lines
12 KiB
C++
// leave this as first line for PCH reasons...
|
|
//
|
|
#include "../server/exe_headers.h"
|
|
|
|
|
|
|
|
#ifndef __Q_SHARED_H
|
|
#include "../game/q_shared.h"
|
|
#endif
|
|
|
|
#if !defined(TR_LOCAL_H)
|
|
#include "../renderer/tr_local.h"
|
|
#endif
|
|
|
|
#if !defined(G2_H_INC)
|
|
#include "G2.h"
|
|
#endif
|
|
|
|
#define G2_MODEL_OK(g) ((g)&&(g)->mValid&&(g)->aHeader&&(g)->currentModel&&(g)->animModel)
|
|
|
|
#pragma warning(disable : 4512) //assignment op could not be genereated
|
|
|
|
class CQuickOverride
|
|
{
|
|
int mOverride[512];
|
|
int mAt[512];
|
|
int mCurrentTouch;
|
|
public:
|
|
CQuickOverride()
|
|
{
|
|
mCurrentTouch=1;
|
|
int i;
|
|
for (i=0;i<512;i++)
|
|
{
|
|
mOverride[i]=0;
|
|
}
|
|
}
|
|
void Invalidate()
|
|
{
|
|
mCurrentTouch++;
|
|
}
|
|
void Set(int index,int pos)
|
|
{
|
|
if (index==10000)
|
|
{
|
|
return;
|
|
}
|
|
assert(index>=0&&index<512);
|
|
mOverride[index]=mCurrentTouch;
|
|
mAt[index]=pos;
|
|
}
|
|
int Test(int index)
|
|
{
|
|
assert(index>=0&&index<512);
|
|
if (mOverride[index]!=mCurrentTouch)
|
|
{
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
return mAt[index];
|
|
}
|
|
}
|
|
};
|
|
|
|
static CQuickOverride QuickOverride;
|
|
|
|
|
|
// find a particular surface in the surface override list
|
|
const surfaceInfo_t *G2_FindOverrideSurface(int surfaceNum,const surfaceInfo_v &surfaceList)
|
|
{
|
|
|
|
if (surfaceNum<0)
|
|
{
|
|
// starting a new lookup
|
|
QuickOverride.Invalidate();
|
|
int i;
|
|
for(i=0; i<surfaceList.size(); i++)
|
|
{
|
|
if (surfaceList[i].surface>=0)
|
|
{
|
|
QuickOverride.Set(surfaceList[i].surface,i);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
int idx=QuickOverride.Test(surfaceNum);
|
|
if (idx<0)
|
|
{
|
|
unsigned int i;
|
|
if (surfaceNum==10000)
|
|
{
|
|
for(i=0; i<surfaceList.size(); i++)
|
|
{
|
|
if (surfaceList[i].surface == surfaceNum)
|
|
{
|
|
return &surfaceList[i];
|
|
}
|
|
}
|
|
}
|
|
#if _DEBUG
|
|
// look through entire list
|
|
for(i=0; i<surfaceList.size(); i++)
|
|
{
|
|
if (surfaceList[i].surface == surfaceNum)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
// didn't find it.
|
|
assert(i==surfaceList.size()); // our quickoverride is not working right
|
|
#endif
|
|
return NULL;
|
|
}
|
|
assert(idx>=0&&idx<surfaceList.size());
|
|
assert(surfaceList[idx].surface == surfaceNum);
|
|
return &surfaceList[idx];
|
|
}
|
|
|
|
|
|
// given a surface name, lets see if it's legal in the model
|
|
int G2_IsSurfaceLegal(const model_s *mod_m, const char *surfaceName, int *flags)
|
|
{
|
|
assert(mod_m);
|
|
assert(mod_m->mdxm);
|
|
// damn include file dependancies
|
|
mdxmSurfHierarchy_t *surf;
|
|
surf = (mdxmSurfHierarchy_t *) ( (byte *)mod_m->mdxm + mod_m->mdxm->ofsSurfHierarchy );
|
|
|
|
for ( int i = 0 ; i < mod_m->mdxm->numSurfaces ; i++)
|
|
{
|
|
if (!stricmp(surfaceName, surf->name))
|
|
{
|
|
*flags = surf->flags;
|
|
return i;
|
|
}
|
|
// find the next surface
|
|
surf = (mdxmSurfHierarchy_t *)( (byte *)surf + (int)( &((mdxmSurfHierarchy_t *)0)->childIndexes[ surf->numChildren ] ));
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
/************************************************************************************************
|
|
* G2_FindSurface
|
|
* find a surface in a ghoul2 surface override list based on it's name
|
|
*
|
|
* Input
|
|
* filename of model, surface list of model instance, name of surface, int to be filled in
|
|
* with the index of this surface (defaults to NULL)
|
|
*
|
|
* Output
|
|
* pointer to surface if successful, false otherwise
|
|
*
|
|
************************************************************************************************/
|
|
const mdxmSurface_t *G2_FindSurface(CGhoul2Info *ghlInfo, surfaceInfo_v &slist, const char *surfaceName,
|
|
int *surfIndex/*NULL*/)
|
|
{
|
|
int i = 0;
|
|
// find the model we want
|
|
assert(G2_MODEL_OK(ghlInfo));
|
|
|
|
const mdxmHierarchyOffsets_t *surfIndexes = (mdxmHierarchyOffsets_t *)((byte *)ghlInfo->currentModel->mdxm + sizeof(mdxmHeader_t));
|
|
|
|
// first find if we already have this surface in the list
|
|
for (i = slist.size() - 1; i >= 0; i--)
|
|
{
|
|
if ((slist[i].surface != 10000) && (slist[i].surface != -1))
|
|
{
|
|
const mdxmSurface_t *surf = (mdxmSurface_t *)G2_FindSurface(ghlInfo->currentModel, slist[i].surface, 0);
|
|
// back track and get the surfinfo struct for this surface
|
|
const mdxmSurfHierarchy_t *surfInfo = (mdxmSurfHierarchy_t *)((byte *)surfIndexes + surfIndexes->offsets[surf->thisSurfaceIndex]);
|
|
|
|
// are these the droids we're looking for?
|
|
if (!stricmp (surfInfo->name, surfaceName))
|
|
{
|
|
// yup
|
|
if (surfIndex)
|
|
{
|
|
*surfIndex = i;
|
|
}
|
|
return surf;
|
|
}
|
|
}
|
|
}
|
|
// didn't find it
|
|
if (surfIndex)
|
|
{
|
|
*surfIndex = -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// set a named surface offFlags - if it doesn't find a surface with this name in the list then it will add one.
|
|
qboolean G2_SetSurfaceOnOff (CGhoul2Info *ghlInfo, const char *surfaceName, const int offFlags)
|
|
{
|
|
int surfIndex = -1;
|
|
surfaceInfo_t temp_slist_entry;
|
|
|
|
// find the model we want
|
|
// first find if we already have this surface in the list
|
|
const mdxmSurface_t *surf = G2_FindSurface(ghlInfo, ghlInfo->mSlist, surfaceName, &surfIndex);
|
|
if (surf)
|
|
{
|
|
// set descendants value
|
|
|
|
// slist[surfIndex].offFlags = offFlags;
|
|
// seems to me that we shouldn't overwrite the other flags.
|
|
// the only bit we really care about in the incoming flags is the off bit
|
|
ghlInfo->mSlist[surfIndex].offFlags &= ~(G2SURFACEFLAG_OFF | G2SURFACEFLAG_NODESCENDANTS);
|
|
ghlInfo->mSlist[surfIndex].offFlags |= offFlags & (G2SURFACEFLAG_OFF | G2SURFACEFLAG_NODESCENDANTS);
|
|
return qtrue;
|
|
}
|
|
else
|
|
{
|
|
// ok, not in the list already - in that case, lets verify this surface exists in the model mesh
|
|
int flags;
|
|
int surfaceNum = G2_IsSurfaceLegal(ghlInfo->currentModel, surfaceName, &flags);
|
|
if (surfaceNum != -1)
|
|
{
|
|
int newflags = flags;
|
|
// the only bit we really care about in the incoming flags is the off bit
|
|
newflags &= ~(G2SURFACEFLAG_OFF | G2SURFACEFLAG_NODESCENDANTS);
|
|
newflags |= offFlags & (G2SURFACEFLAG_OFF | G2SURFACEFLAG_NODESCENDANTS);
|
|
|
|
if (newflags != flags)
|
|
{ // insert here then because it changed, no need to add an override otherwise
|
|
temp_slist_entry.offFlags = newflags;
|
|
temp_slist_entry.surface = surfaceNum;
|
|
|
|
ghlInfo->mSlist.push_back(temp_slist_entry);
|
|
}
|
|
return qtrue;
|
|
}
|
|
}
|
|
return qfalse;
|
|
}
|
|
|
|
void G2_FindRecursiveSurface(const model_t *currentModel, int surfaceNum, surfaceInfo_v &rootList, int *activeSurfaces)
|
|
{
|
|
assert(currentModel);
|
|
assert(currentModel->mdxm);
|
|
int i;
|
|
const mdxmSurface_t *surface = (mdxmSurface_t *)G2_FindSurface(currentModel, surfaceNum, 0);
|
|
const mdxmHierarchyOffsets_t *surfIndexes = (mdxmHierarchyOffsets_t *)((byte *)currentModel->mdxm + sizeof(mdxmHeader_t));
|
|
const mdxmSurfHierarchy_t *surfInfo = (mdxmSurfHierarchy_t *)((byte *)surfIndexes + surfIndexes->offsets[surface->thisSurfaceIndex]);
|
|
|
|
// see if we have an override surface in the surface list
|
|
const surfaceInfo_t *surfOverride = G2_FindOverrideSurface(surfaceNum, rootList);
|
|
|
|
// really, we should use the default flags for this surface unless it's been overriden
|
|
int offFlags = surfInfo->flags;
|
|
|
|
// set the off flags if we have some
|
|
if (surfOverride)
|
|
{
|
|
offFlags = surfOverride->offFlags;
|
|
}
|
|
|
|
// if this surface is not off, indicate as such in the active surface list
|
|
if (!(offFlags & G2SURFACEFLAG_OFF))
|
|
{
|
|
activeSurfaces[surfaceNum] = 1;
|
|
}
|
|
else
|
|
// if we are turning off all descendants, then stop this recursion now
|
|
if (offFlags & G2SURFACEFLAG_NODESCENDANTS)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// now recursively call for the children
|
|
for (i=0; i< surfInfo->numChildren; i++)
|
|
{
|
|
surfaceNum = surfInfo->childIndexes[i];
|
|
G2_FindRecursiveSurface(currentModel, surfaceNum, rootList, activeSurfaces);
|
|
}
|
|
|
|
}
|
|
|
|
qboolean G2_SetRootSurface( CGhoul2Info_v &ghoul2, const int modelIndex, const char *surfaceName)
|
|
{
|
|
int surf;
|
|
int flags;
|
|
assert(modelIndex>=0&&modelIndex<ghoul2.size());
|
|
assert(ghoul2[modelIndex].currentModel);
|
|
assert(ghoul2[modelIndex].currentModel->mdxm);
|
|
// first find if we already have this surface in the list
|
|
surf = G2_IsSurfaceLegal(ghoul2[modelIndex].currentModel, surfaceName, &flags);
|
|
if (surf != -1)
|
|
{
|
|
ghoul2[modelIndex].mSurfaceRoot = surf;
|
|
return qtrue;
|
|
}
|
|
assert(0);
|
|
return qfalse;
|
|
}
|
|
|
|
|
|
extern int G2_DecideTraceLod(CGhoul2Info &ghoul2, int useLod);
|
|
int G2_AddSurface(CGhoul2Info *ghoul2, int surfaceNumber, int polyNumber, float BarycentricI, float BarycentricJ, int lod )
|
|
{
|
|
lod = G2_DecideTraceLod(*ghoul2, lod);
|
|
|
|
// first up, see if we have a free one already set up - look only from the end of the constant surfaces onwards
|
|
unsigned int i;
|
|
for (i=0; i<ghoul2->mSlist.size(); i++)
|
|
{
|
|
// is the surface count -1? That would indicate it's free
|
|
if (ghoul2->mSlist[i].surface == -1)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (i==ghoul2->mSlist.size())
|
|
{
|
|
ghoul2->mSlist.push_back(surfaceInfo_t());
|
|
}
|
|
ghoul2->mSlist[i].offFlags = G2SURFACEFLAG_GENERATED;
|
|
ghoul2->mSlist[i].surface = 10000; // no model will ever have 10000 surfaces
|
|
ghoul2->mSlist[i].genBarycentricI = BarycentricI;
|
|
ghoul2->mSlist[i].genBarycentricJ = BarycentricJ;
|
|
ghoul2->mSlist[i].genPolySurfaceIndex = ((polyNumber & 0xffff) << 16) | (surfaceNumber & 0xffff);
|
|
ghoul2->mSlist[i].genLod = lod;
|
|
return i;
|
|
}
|
|
|
|
qboolean G2_RemoveSurface(surfaceInfo_v &slist, const int index)
|
|
{
|
|
if (index != -1)
|
|
{
|
|
slist[index].surface = -1;
|
|
return qtrue;
|
|
}
|
|
assert(0);
|
|
return qfalse;
|
|
}
|
|
|
|
|
|
int G2_GetParentSurface(CGhoul2Info *ghlInfo, const int index)
|
|
{
|
|
assert(ghlInfo->currentModel);
|
|
assert(ghlInfo->currentModel->mdxm);
|
|
const mdxmHierarchyOffsets_t *surfIndexes = (mdxmHierarchyOffsets_t *)((byte *)ghlInfo->currentModel->mdxm + sizeof(mdxmHeader_t));
|
|
|
|
// walk each surface and see if this index is listed in it's children
|
|
const mdxmSurface_t *surf = (mdxmSurface_t *)G2_FindSurface(ghlInfo->currentModel, index, 0);
|
|
const mdxmSurfHierarchy_t *surfInfo = (mdxmSurfHierarchy_t *)((byte *)surfIndexes + surfIndexes->offsets[surf->thisSurfaceIndex]);
|
|
|
|
return surfInfo->parentIndex;
|
|
|
|
}
|
|
|
|
int G2_GetSurfaceIndex(CGhoul2Info *ghlInfo, const char *surfaceName)
|
|
{
|
|
int flags;
|
|
assert(ghlInfo->currentModel);
|
|
return G2_IsSurfaceLegal(ghlInfo->currentModel, surfaceName, &flags);
|
|
}
|
|
|
|
int G2_IsSurfaceRendered(CGhoul2Info *ghlInfo, const char *surfaceName, surfaceInfo_v &slist)
|
|
{
|
|
int flags = 0;//, surfFlags = 0;
|
|
int surfIndex = 0;
|
|
assert(ghlInfo->currentModel);
|
|
assert(ghlInfo->currentModel->mdxm);
|
|
if (!ghlInfo->currentModel->mdxm)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
// now travel up the skeleton to see if any of it's ancestors have a 'no descendants' turned on
|
|
|
|
// find the original surface in the surface list
|
|
int surfNum = G2_IsSurfaceLegal(ghlInfo->currentModel, surfaceName, &flags);
|
|
if ( surfNum != -1 )
|
|
{//must be legal
|
|
const mdxmHierarchyOffsets_t *surfIndexes = (mdxmHierarchyOffsets_t *)((byte *)ghlInfo->currentModel->mdxm + sizeof(mdxmHeader_t));
|
|
const mdxmSurfHierarchy_t *surfInfo = (mdxmSurfHierarchy_t *)((byte *)surfIndexes + surfIndexes->offsets[surfNum]);
|
|
surfNum = surfInfo->parentIndex;
|
|
// walk the surface hierarchy up until we hit the root
|
|
while (surfNum != -1)
|
|
{
|
|
const mdxmSurface_t *parentSurf;
|
|
int parentFlags;
|
|
const mdxmSurfHierarchy_t *parentSurfInfo;
|
|
|
|
parentSurfInfo = (mdxmSurfHierarchy_t *)((byte *)surfIndexes + surfIndexes->offsets[surfNum]);
|
|
|
|
// find the original surface in the surface list
|
|
//G2 was bug, above comment was accurate, but we don't want the original flags, we want the parent flags
|
|
G2_IsSurfaceLegal(ghlInfo->currentModel, parentSurfInfo->name, &parentFlags);
|
|
|
|
// now see if we already have overriden this surface in the slist
|
|
parentSurf = G2_FindSurface(ghlInfo, slist, parentSurfInfo->name, &surfIndex);
|
|
if (parentSurf)
|
|
{
|
|
// set descendants value
|
|
parentFlags = slist[surfIndex].offFlags;
|
|
}
|
|
// now we have the parent flags, lets see if any have the 'no descendants' flag set
|
|
if (parentFlags & G2SURFACEFLAG_NODESCENDANTS)
|
|
{
|
|
flags |= G2SURFACEFLAG_OFF;
|
|
break;
|
|
}
|
|
// set up scan of next parent
|
|
surfNum = parentSurfInfo->parentIndex;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
if ( flags == 0 )
|
|
{//it's not being overridden by a parent
|
|
// now see if we already have overriden this surface in the slist
|
|
const mdxmSurface_t *surf = G2_FindSurface(ghlInfo, slist, surfaceName, &surfIndex);
|
|
if (surf)
|
|
{
|
|
// set descendants value
|
|
flags = slist[surfIndex].offFlags;
|
|
}
|
|
// ok, at this point in flags we have what this surface is set to, and the index of the surface itself
|
|
}
|
|
return flags;
|
|
|
|
}
|