From 5ea0a76f766d1c55745d8a145458d9357e895457 Mon Sep 17 00:00:00 2001 From: Denis Pauk Date: Mon, 5 Feb 2024 00:16:50 +0200 Subject: [PATCH] maps: improve texture coordinates Discussed in https://github.com/yquake2/yquake2/issues/886 --- src/client/refresh/files/maps.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/src/client/refresh/files/maps.c b/src/client/refresh/files/maps.c index 67a6aeb4..e3e64ad1 100644 --- a/src/client/refresh/files/maps.c +++ b/src/client/refresh/files/maps.c @@ -352,10 +352,9 @@ void Mod_CalcSurfaceExtents(int *surfedges, mvertex_t *vertexes, medge_t *edges, msurface_t *s) { - float mins[2], maxs[2], val; - int i; + double mins[2], maxs[2]; mtexinfo_t *tex; - int bmins[2], bmaxs[2]; + int i; mins[0] = mins[1] = 999999; maxs[0] = maxs[1] = -99999; @@ -380,10 +379,12 @@ Mod_CalcSurfaceExtents(int *surfedges, mvertex_t *vertexes, medge_t *edges, for (j = 0; j < 2; j++) { - val = v->position[0] * tex->vecs[j][0] + - v->position[1] * tex->vecs[j][1] + - v->position[2] * tex->vecs[j][2] + - tex->vecs[j][3]; + float val; + + val = (double)v->position[0] * tex->vecs[j][0] + + (double)v->position[1] * tex->vecs[j][1] + + (double)v->position[2] * tex->vecs[j][2] + + (double)tex->vecs[j][3]; if (val < mins[j]) { @@ -399,6 +400,8 @@ Mod_CalcSurfaceExtents(int *surfedges, mvertex_t *vertexes, medge_t *edges, for (i = 0; i < 2; i++) { + int bmins[2], bmaxs[2]; + bmins[i] = floor(mins[i] / (1 << s->lmshift)); bmaxs[i] = ceil(maxs[i] / (1 << s->lmshift));