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[util] Cast swapped signed shorts in bspfile

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This fixes a bug when loading bsp29 files that resulted in leaf nodes
having bogus bounding boxes if any coordinates were negative (and thus
dynamic lights, and probably all sorts of other things) being broken.
And it took me only 9 years to notice :P
This commit is contained in:
Bill Currie 2021-07-22 14:25:51 +09:00
parent 8369a2206a
commit 41de8c9187
1 changed files with 12 additions and 12 deletions
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24
libs/util/bspfile.c
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@ -233,11 +233,11 @@ swap_to_bsp29 (bsp29_t *bsp29, const bsp_t *bsp2)
dnode29_t *node29 = &bsp29->nodes[i];
node29->planenum = LittleLong (node2->planenum);
for (j=0 ; j<3 ; j++) {
node29->mins[j] = LittleShort (node2->mins[j]);
node29->maxs[j] = LittleShort (node2->maxs[j]);
node29->mins[j] = LittleShort ((int16_t) node2->mins[j]);
node29->maxs[j] = LittleShort ((int16_t) node2->maxs[j]);
}
node29->children[0] = (uint16_t) LittleShort (node2->children[0]);
node29->children[1] = (uint16_t) LittleShort (node2->children[1]);
node29->children[0] = LittleShort (node2->children[0]);
node29->children[1] = LittleShort (node2->children[1]);
node29->firstface = LittleShort (node2->firstface);
node29->numfaces = LittleShort (node2->numfaces);
}
@ -248,8 +248,8 @@ swap_to_bsp29 (bsp29_t *bsp29, const bsp_t *bsp2)
dleaf29_t *leaf29 = &bsp29->leafs[i];
leaf29->contents = LittleLong (leaf2->contents);
for (j=0 ; j<3 ; j++) {
leaf29->mins[j] = LittleShort (leaf2->mins[j]);
leaf29->maxs[j] = LittleShort (leaf2->maxs[j]);
leaf29->mins[j] = LittleShort ((int16_t) leaf2->mins[j]);
leaf29->maxs[j] = LittleShort ((int16_t) leaf2->maxs[j]);
}
leaf29->firstmarksurface = LittleShort (leaf2->firstmarksurface);
@ -264,8 +264,8 @@ swap_to_bsp29 (bsp29_t *bsp29, const bsp_t *bsp2)
const dclipnode_t *clipnode2 = &bsp2->clipnodes[i];
dclipnode29_t *clipnode29 = (dclipnode29_t *) &bsp29->clipnodes[i];
clipnode29->planenum = LittleLong (clipnode2->planenum);
clipnode29->children[0] = (uint16_t) LittleShort (clipnode2->children[0]);
clipnode29->children[1] = (uint16_t) LittleShort (clipnode2->children[1]);
clipnode29->children[0] = LittleShort (clipnode2->children[0]);
clipnode29->children[1] = LittleShort (clipnode2->children[1]);
}
// miptex
@ -402,8 +402,8 @@ swap_from_bsp29 (bsp_t *bsp2, const bsp29_t *bsp29,
const dleaf29_t *leaf29 = &bsp29->leafs[i];
leaf2->contents = LittleLong (leaf29->contents);
for (j=0 ; j<3 ; j++) {
leaf2->mins[j] = LittleShort (leaf29->mins[j]);
leaf2->maxs[j] = LittleShort (leaf29->maxs[j]);
leaf2->mins[j] = (int16_t) LittleShort (leaf29->mins[j]);
leaf2->maxs[j] = (int16_t) LittleShort (leaf29->maxs[j]);
}
leaf2->firstmarksurface = LittleShort (leaf29->firstmarksurface);
@ -418,8 +418,8 @@ swap_from_bsp29 (bsp_t *bsp2, const bsp29_t *bsp29,
dclipnode_t *clipnode2 = &bsp2->clipnodes[i];
const dclipnode29_t *clipnode29 = &bsp29->clipnodes[i];
clipnode2->planenum = LittleLong (clipnode29->planenum);
clipnode2->children[0] = (uint16_t) LittleShort (clipnode29->children[0]);
clipnode2->children[1] = (uint16_t) LittleShort (clipnode29->children[1]);
clipnode2->children[0] = LittleShort (clipnode29->children[0]);
clipnode2->children[1] = LittleShort (clipnode29->children[1]);
}
// miptex