qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2025-01-18 15:01:41 +00:00
Code Issues Projects Releases Packages Wiki Activity

Give sw iqm its own transform setup.

Browse source 
IQMs don't need to be scaled or offset. This fixes iqms not rendering,
though they actually were: just super tiny.
This commit is contained in:
Bill Currie 2012-05-19 00:43:26 +09:00
parent c0517b1d97
commit be9c0697a2
1 changed files with 54 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

55
libs/video/renderer/sw/sw_riqm.c
View file

@ -232,6 +232,59 @@ R_IQMSetupLighting (entity_t *ent, alight_t *plighting)
r_plightvec[2] = DotProduct (plighting->plightvec, ent->transform + 8);
}
static void
R_IQMSetUpTransform (int trivial_accept)
{
int i;
float rotationmatrix[3][4];
static float viewmatrix[3][4];
vec3_t forward, left, up;
VectorCopy (currententity->transform + 0, forward);
VectorCopy (currententity->transform + 4, left);
VectorCopy (currententity->transform + 8, up);
// TODO: can do this with simple matrix rearrangement
for (i = 0; i < 3; i++) {
rotationmatrix[i][0] = forward[i];
rotationmatrix[i][1] = left[i];
rotationmatrix[i][2] = up[i];
}
rotationmatrix[0][3] = -modelorg[0];
rotationmatrix[1][3] = -modelorg[1];
rotationmatrix[2][3] = -modelorg[2];
// TODO: should be global, set when vright, etc., set
VectorCopy (vright, viewmatrix[0]);
VectorCopy (vup, viewmatrix[1]);
VectorNegate (viewmatrix[1], viewmatrix[1]);
VectorCopy (vpn, viewmatrix[2]);
// viewmatrix[0][3] = 0;
// viewmatrix[1][3] = 0;
// viewmatrix[2][3] = 0;
R_ConcatTransforms (viewmatrix, rotationmatrix, aliastransform);
// do the scaling up of x and y to screen coordinates as part of the transform
// for the unclipped case (it would mess up clipping in the clipped case).
// Also scale down z, so 1/z is scaled 31 bits for free, and scale down x and y
// correspondingly so the projected x and y come out right
// FIXME: make this work for clipped case too?
if (trivial_accept) {
for (i = 0; i < 4; i++) {
aliastransform[0][i] *= aliasxscale *
(1.0 / ((float) 0x8000 * 0x10000));
aliastransform[1][i] *= aliasyscale *
(1.0 / ((float) 0x8000 * 0x10000));
aliastransform[2][i] *= 1.0 / ((float) 0x8000 * 0x10000);
}
}
}
void
R_IQMDrawModel (alight_t *plighting)
{
@ -255,7 +308,7 @@ R_IQMDrawModel (alight_t *plighting)
(((intptr_t) &pfinalverts[0] + CACHE_SIZE - 1) & ~(CACHE_SIZE - 1));
pauxverts = (auxvert_t *) &pfinalverts[iqm->num_verts + 1];
R_AliasSetUpTransform (ent->trivial_accept);
R_IQMSetUpTransform (ent->trivial_accept);
R_IQMSetupLighting (ent, plighting);
r_affinetridesc.drawtype = (ent->trivial_accept == 3) &&