collision: add additional checks
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59d6766e90
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6701ad8cc5
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@ -2231,6 +2231,11 @@ CM_LeafContents(int leafnum)
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int
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CM_LeafCluster(int leafnum)
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{
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if (!cmod->map_leafs)
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{
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return 0;
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}
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if ((leafnum < 0) || (leafnum >= (cmod->numleafs + EXTRA_LUMP_LEAFS)))
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{
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Com_Error(ERR_DROP, "%s: bad number", __func__);
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@ -2242,6 +2247,11 @@ CM_LeafCluster(int leafnum)
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int
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CM_LeafArea(int leafnum)
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{
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if (!cmod->map_leafs)
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{
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return 0;
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}
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if ((leafnum < 0) || (leafnum >= (cmod->numleafs + EXTRA_LUMP_LEAFS)))
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{
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Com_Error(ERR_DROP, "%s: bad number", __func__);
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@ -2333,7 +2343,7 @@ CM_ClusterPVS(int cluster)
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byte *
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CM_ClusterPHS(int cluster)
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{
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if (cluster == -1)
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if (cluster == -1 || !cmod->map_vis)
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{
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memset(phsrow, 0, (cmod->numclusters + 7) >> 3);
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}
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