/*
================
GL_MakeAliasModelDisplayLists
================
*/
void GL_MakeAliasModelDisplayLists (qmodel_t *m, aliashdr_t *hdr)
{
int i, j;
int *cmds;
trivertx_t *verts;
float hscale, vscale; //johnfitz -- padded skins
int count; //johnfitz -- precompute texcoords for padded skins
int *loadcmds; //johnfitz
//johnfitz -- padded skins
hscale = (float)hdr->skinwidth/(float)TexMgr_PadConditional(hdr->skinwidth);
vscale = (float)hdr->skinheight/(float)TexMgr_PadConditional(hdr->skinheight);
//johnfitz
aliasmodel = m;
paliashdr = hdr; // (aliashdr_t *)Mod_Extradata (m);
//johnfitz -- generate meshes
Con_DPrintf2 ("meshing %s...\n",m->name);
BuildTris ();
// save the data out
paliashdr->poseverts = numorder;
cmds = (int *) Hunk_Alloc (numcommands * 4);
paliashdr->commands = (byte *)cmds - (byte *)paliashdr;
//johnfitz -- precompute texcoords for padded skins
loadcmds = commands;
while(1)
{
*cmds++ = count = *loadcmds++;
if (!count)
break;
if (count < 0)
count = -count;
do
{
*(float *)cmds++ = hscale * (*(float *)loadcmds++);
*(float *)cmds++ = vscale * (*(float *)loadcmds++);
} while (--count);
}
//johnfitz
verts = (trivertx_t *) Hunk_Alloc (paliashdr->numposes * paliashdr->poseverts * sizeof(trivertx_t));
paliashdr->posedata = (byte *)verts - (byte *)paliashdr;
for (i=0 ; i<paliashdr->numposes ; i++)
for (j=0 ; j<numorder ; j++)
*verts++ = poseverts[i][vertexorder[j]];
// ericw
GL_MakeAliasModelDisplayLists_VBO ();
}
/*
================
BuildTris
Generate a list of trifans or strips
for the model, which holds for all frames
================
*/
void BuildTris (void)
{
int i, j, k;
int startv;
float s, t;
int len, bestlen, besttype;
int bestverts[1024];
int besttris[1024];
int type;
//
// build tristrips
//
numorder = 0;
numcommands = 0;
memset (used, 0, sizeof(used));
for (i = 0; i < pheader->numtris; i++)
{
// pick an unused triangle and start the trifan
if (used[i])
continue;
bestlen = 0;
besttype = 0;
for (type = 0 ; type < 2 ; type++)
// type = 1;
{
for (startv = 0; startv < 3; startv++)
{
if (type == 1)
len = StripLength (i, startv);
else
len = FanLength (i, startv);
if (len > bestlen)
{
besttype = type;
bestlen = len;
for (j = 0; j < bestlen+2; j++)
bestverts[j] = stripverts[j];
for (j = 0; j < bestlen; j++)
besttris[j] = striptris[j];
}
}
}
// mark the tris on the best strip as used
for (j = 0; j < bestlen; j++)
used[besttris[j]] = 1;
if (besttype == 1)
commands[numcommands++] = (bestlen+2);
else
commands[numcommands++] = -(bestlen+2);
for (j = 0; j < bestlen+2; j++)
{
int tmp;
// emit a vertex into the reorder buffer
k = bestverts[j];
vertexorder[numorder++] = k;
// emit s/t coords into the commands stream
s = stverts[k].s;
t = stverts[k].t;
if (!triangles[besttris[0]].facesfront && stverts[k].onseam)
s += pheader->skinwidth / 2; // on back side
s = (s + 0.5) / pheader->skinwidth;
t = (t + 0.5) / pheader->skinheight;
// *(float *)&commands[numcommands++] = s;
// *(float *)&commands[numcommands++] = t;
// NOTE: 4 == sizeof(int)
// == sizeof(float)
memcpy (&tmp, &s, 4);
commands[numcommands++] = tmp;
memcpy (&tmp, &t, 4);
commands[numcommands++] = tmp;
}
}
commands[numcommands++] = 0; // end of list marker
Con_DPrintf2 ("%3i tri %3i vert %3i cmd\n", pheader->numtris, numorder, numcommands);
allverts += numorder;
alltris += pheader->numtris;
}
static void PR_AllocStringSlots (void)
{
pr_maxknownstrings += PR_STRING_ALLOCSLOTS;
Con_DPrintf2("PR_AllocStringSlots: realloc'ing for %d slots\n", pr_maxknownstrings);
pr_knownstrings = (const char **) Z_Realloc ((void *)pr_knownstrings, pr_maxknownstrings * sizeof(char *));
}
