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gl_mesh.c (BuildTris): worked around a type-punned pointer. adapted from quakeforge.

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git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@249 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
Ozkan Sezer 2010-08-01 21:11:16 +00:00
parent a7d57b4b51
commit f493f3a17f
1 changed files with 16 additions and 8 deletions
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24
Quake/gl_mesh.c
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@ -215,7 +215,7 @@ void BuildTris (void)
numorder = 0; numorder = 0;
numcommands = 0; numcommands = 0;
memset (used, 0, sizeof(used)); memset (used, 0, sizeof(used));
for (i=0 ; i<pheader->numtris ; i++) for (i = 0; i < pheader->numtris; i++)
{ {
// pick an unused triangle and start the trifan // pick an unused triangle and start the trifan
if (used[i]) if (used[i])
@ -226,7 +226,7 @@ void BuildTris (void)
for (type = 0 ; type < 2 ; type++) for (type = 0 ; type < 2 ; type++)
// type = 1; // type = 1;
{ {
for (startv =0 ; startv < 3 ; startv++) for (startv = 0; startv < 3; startv++)
{ {
if (type == 1) if (type == 1)
len = StripLength (i, startv); len = StripLength (i, startv);
@ -236,16 +236,16 @@ void BuildTris (void)
{ {
besttype = type; besttype = type;
bestlen = len; bestlen = len;
for (j=0 ; j<bestlen+2 ; j++) for (j = 0; j < bestlen+2; j++)
bestverts[j] = stripverts[j]; bestverts[j] = stripverts[j];
for (j=0 ; j<bestlen ; j++) for (j = 0; j < bestlen; j++)
besttris[j] = striptris[j]; besttris[j] = striptris[j];
} }
} }
} }
// mark the tris on the best strip as used // mark the tris on the best strip as used
for (j=0 ; j<bestlen ; j++) for (j = 0; j < bestlen; j++)
used[besttris[j]] = 1; used[besttris[j]] = 1;
if (besttype == 1) if (besttype == 1)
@ -253,8 +253,10 @@ void BuildTris (void)
else else
commands[numcommands++] = -(bestlen+2); commands[numcommands++] = -(bestlen+2);
for (j=0 ; j<bestlen+2 ; j++) for (j = 0; j < bestlen+2; j++)
{ {
int tmp;
// emit a vertex into the reorder buffer // emit a vertex into the reorder buffer
k = bestverts[j]; k = bestverts[j];
vertexorder[numorder++] = k; vertexorder[numorder++] = k;
@ -267,8 +269,14 @@ void BuildTris (void)
s = (s + 0.5) / pheader->skinwidth; s = (s + 0.5) / pheader->skinwidth;
t = (t + 0.5) / pheader->skinheight; t = (t + 0.5) / pheader->skinheight;
*(float *)&commands[numcommands++] = s; // *(float *)&commands[numcommands++] = s;
*(float *)&commands[numcommands++] = t; // *(float *)&commands[numcommands++] = t;
// NOTE: 4 == sizeof(int)
// == sizeof(float)
memcpy (&tmp, &s, 4);
commands[numcommands++] = tmp;
memcpy (&tmp, &t, 4);
commands[numcommands++] = tmp;
} }
} }