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mdsprite.c: from updateanimation(), if m->[cn]frame >= numframes, clear to 0.

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This prevents an oob access when rendering, the one observed was at
polymer.c:4255.

git-svn-id: https://svn.eduke32.com/eduke32@5264 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2015-06-07 09:55:40 +00:00
parent a1c4df267c
commit 7b6e47f444
1 changed files with 9 additions and 3 deletions
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12
polymer/eduke32/build/src/mdsprite.c
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@ -1071,7 +1071,7 @@ void updateanimation(md2model_t *m, const tspritetype *tspr, uint8_t lpal)
if (m->cframe >= m->numframes)
OSD_Printf("2: c > n\n");
#endif
return;
goto prep_return;
}
m->nframe = anim->startframe;
@ -1081,7 +1081,7 @@ void updateanimation(md2model_t *m, const tspritetype *tspr, uint8_t lpal)
OSD_Printf("3: c > n\n");
#endif
smooth->mdsmooth = 1;
return;
goto prep_return;
}
fps = smooth->mdsmooth ?
@ -1127,7 +1127,7 @@ void updateanimation(md2model_t *m, const tspritetype *tspr, uint8_t lpal)
#endif
smooth->mdoldframe = m->cframe;
//OSD_Printf("smooth stopped !\n");
return;
goto prep_return;
}
}
else
@ -1147,6 +1147,12 @@ void updateanimation(md2model_t *m, const tspritetype *tspr, uint8_t lpal)
m->interpol = ((float)(i&65535))/65536.f;
//OSD_Printf("interpol %f\n", m->interpol);
prep_return:
if (m->cframe >= m->numframes)
m->cframe = 0;
if (m->nframe >= m->numframes)
m->nframe = 0;
}
// VBO generation and allocation