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New attempt at fixing the depth fighting with wall and floor-aligned sprites. 

git-svn-id: https://svn.eduke32.com/eduke32@5391 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2015-10-20 07:15:15 +00:00
parent 483e2d17f2
commit 45644d25e5
1 changed files with 49 additions and 60 deletions
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109
polymer/eduke32/build/src/polymost.c
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@ -149,10 +149,6 @@ uint8_t alphahackarray[MAXTILES];
int32_t drawingskybox = 0;
int32_t hicprecaching = 0;
float r_wspr_variance = 0.000001f;
float r_wspr_offset = 0.005f;
float r_fspr_offset = 1.0f;
hitdata_t polymost_hitdata;
#if 0
@ -2262,37 +2258,40 @@ void polymost_editorfunc(void)
tspriteptr[spritesortcnt++] = tsp;
}
if ((searchstat==1 || searchstat==2) && searchsector>=0)
if ((searchstat == 1 || searchstat == 2) && searchsector >= 0)
{
int32_t scrv[2] ={ (v.x>>12), (v.y>>12) };
int32_t scrv_r[2] ={ scrv[1], -scrv[0] };
walltype *wal = &wall[sector[searchsector].wallptr];
uint64_t wdistsq, bestwdistsq=0x7fffffff;
int32_t k, bestk=-1;
vec2_t const scrv = { (v.x >> 12), (v.y >> 12) };
vec2_t const scrv_r = { scrv.y, -scrv.x };
walltype const * const wal = &wall[sector[searchsector].wallptr];
uint64_t bestwdistsq = 0x7fffffff;
int32_t bestk = -1;
for (k=0; k<sector[searchsector].wallnum; k++)
for (int32_t k = 0; k < sector[searchsector].wallnum; k++)
{
int32_t w1[2] ={ wal[k].x, wal[k].y };
int32_t w2[2] ={ wall[wal[k].point2].x, wall[wal[k].point2].y };
int32_t w21[2] ={ w1[0]-w2[0], w1[1]-w2[1] };
int32_t pw1[2] ={ w1[0]-hit->pos.x, w1[1]-hit->pos.y };
int32_t pw2[2] ={ w2[0]-hit->pos.x, w2[1]-hit->pos.y };
float w1d = (float) (scrv_r[0]*pw1[0] + scrv_r[1]*pw1[1]);
float w2d = (float) (scrv_r[0]*pw2[0] + scrv_r[1]*pw2[1]);
int32_t ptonline[2], scrp[2];
int64_t t1, t2;
vec2_t const w1 = { wal[k].x, wal[k].y };
vec2_t const w2 = { wall[wal[k].point2].x, wall[wal[k].point2].y };
vec2_t const w21 = { w1.x - w2.x, w1.y - w2.y };
vec2_t const pw1 = { w1.x - hit->pos.x, w1.y - hit->pos.y };
vec2_t const pw2 = { w2.x - hit->pos.x, w2.y - hit->pos.y };
float w1d = (float)(scrv_r.x * pw1.x + scrv_r.y * pw1.y);
float w2d = (float)-(scrv_r.x * pw2.x + scrv_r.y * pw2.y);
w2d = -w2d;
if ((w1d==0 && w2d==0) || (w1d<0 || w2d<0))
if ((w1d == 0 && w2d == 0) || (w1d < 0 || w2d < 0))
continue;
ptonline[0] = (int32_t) (w2[0]+(w2d/(w1d+w2d))*w21[0]);
ptonline[1] = (int32_t) (w2[1]+(w2d/(w1d+w2d))*w21[1]);
scrp[0] = ptonline[0]-vect.x;
scrp[1] = ptonline[1]-vect.y;
if (scrv[0]*scrp[0] + scrv[1]*scrp[1] <= 0)
vec2_t const ptonline = { (int32_t)(w2.x + (w2d / (w1d + w2d)) * w21.x),
(int32_t)(w2.y + (w2d / (w1d + w2d)) * w21.y) };
vec2_t const scrp = { ptonline.x - vect.x, ptonline.y - vect.y };
if (scrv.x * scrp.x + scrv.y * scrp.y <= 0)
continue;
t1=scrp[0]; t2=scrp[1];
wdistsq = t1*t1 + t2*t2;
int64_t const t1 = scrp.x;
int64_t const t2 = scrp.y;
uint64_t const wdistsq = t1 * t1 + t2 * t2;
if (wdistsq < bestwdistsq)
{
bestk = k;
@ -3876,13 +3875,11 @@ void polymost_drawmaskwall(int32_t damaskwallcnt)
return;
//Clip to (x1,fsy[2])-(x0,fsy[0])
int n = 0;
t1 = -((dp2[0].x - x1) * (fsy[0] - fsy[2]) - (dp2[0].y - fsy[2]) * (x0 - x1));
int n = 0;
for (int i = 0; i < n2; i++)
for (int i = 0, j = 1; i < n2; j = ++i + 1)
{
int j = i + 1;
if (j >= n2)
j = 0;
@ -3942,6 +3939,7 @@ static inline int32_t polymost_findwall(tspritetype const * const tspr, int32_t
}
*rd = dist;
return closest;
}
@ -4248,15 +4246,16 @@ void polymost_drawsprite(int32_t snum)
{
vec2_t v = { /*Blrintf(vf.x)*/(int)vf.x, /*Blrintf(vf.y)*/(int)vf.y };
if (walldist <= 0 || ((pos.x - v.x) + (pos.x + v.x)) == (wall[w].x + POINT2(w).x) ||
if (walldist <= 2 || ((pos.x - v.x) + (pos.x + v.x)) == (wall[w].x + POINT2(w).x) ||
((pos.y - v.y) + (pos.y + v.y)) == (wall[w].y + POINT2(w).y) ||
polymost_lintersect(pos.x - v.x, pos.y - v.y, pos.x + v.x, pos.y + v.y, wall[w].x, wall[w].y,
POINT2(w).x, POINT2(w).y))
{
int32_t const ang = getangle(wall[w].x - POINT2(w).x, wall[w].y - POINT2(w).y);
float const foffs = tspr->owner * r_wspr_variance * .1f;
vec2f_t const offs = { (float)(sintable[(ang + 1024) & 2047] >> 6) * (r_wspr_offset + foffs),
(float)(sintable[(ang + 512) & 2047] >> 6) * (r_wspr_offset + foffs)};
float const foffs = ((FindDistance2D((tspr->x-globalposx), (tspr->y-globalposy))>>4) * .0001f) +
((tspr->owner != -1 ? tspr->owner & 63 : 0) * .00003f);
vec2f_t const offs = { (float)(sintable[(ang + 1024) & 2047] >> 6) * foffs,
(float)(sintable[(ang + 512) & 2047] >> 6) * foffs};
vec0.x -= offs.x;
vec0.y -= offs.y;
@ -4471,10 +4470,8 @@ void polymost_drawsprite(int32_t snum)
int32_t npoints = 0;
vec2f_t p2[6];
for (int i = 0; i < 4; ++i)
for (int i = 0, j = 1; i < 4; j = ((++i + 1) & 3))
{
int j = ((i + 1) & 3);
if (pxy[i].y >= SCISDIST)
p2[npoints++] = pxy[i];
@ -4492,36 +4489,32 @@ void polymost_drawsprite(int32_t snum)
// Project rotated 3D points to screen
int32_t i = 1;
for (int SPRITES_OF_SECT(tspr->sectnum, j), ++i)
if (j == tspr->owner)
break;
const int foff_sign = (tspr->z > globalposz) ? -1 : 1;
float fadjust = 0.f;
if (tspr->z == sec->ceilingz) tspr->z++, fadjust = .001f * tspr->owner;
if (tspr->z == sec->floorz) tspr->z--, fadjust = .001f * tspr->owner;
float f = (fadjust + (float) (tspr->z - globalposz) + foff_sign) * gyxscale;
for (int j = 0; j < npoints; j++)
{
float const f = ((float) (tspr->z - globalposz) + foff_sign*(i * r_fspr_offset)) * gyxscale;
for (int j = 0; j < npoints; j++)
{
float const ryp0 = 1.f / p2[j].y;
pxy[j].x = ghalfx * p2[j].x * ryp0 + ghalfx;
pxy[j].y = f * ryp0 + ghoriz;
}
float const ryp0 = 1.f / p2[j].y;
pxy[j].x = ghalfx * p2[j].x * ryp0 + ghalfx;
pxy[j].y = f * ryp0 + ghoriz;
}
// gd? Copied from floor rendering code
xtex.d = 0;
ytex.d = gxyaspect / (double)(tspr->z - globalposz + foff_sign*(i * r_fspr_offset));
ytex.d = gxyaspect / (double)(tspr->z - globalposz + foff_sign);
otex.d = -ghoriz * ytex.d;
// copied&modified from relative alignment
vec2f_t const vv = { (float)tspr->x + s * p1.x + c * p1.y, (float)tspr->y + s * p1.y - c * p1.x };
vec2f_t ff = { -(p0.x + p1.x) * s, (p0.x + p1.x) * c };
float f = polymost_invsqrt_approximation(ff.x * ff.x + ff.y * ff.y);
f = polymost_invsqrt_approximation(ff.x * ff.x + ff.y * ff.y);
ff.x *= f;
ff.y *= f;
@ -5676,10 +5669,6 @@ void polymost_initosdfuncs(void)
{ "r_vertexarrays","enable/disable using vertex arrays when drawing models",(void *) &r_vertexarrays, CVAR_BOOL, 0, 1 },
{ "r_projectionhack", "enable/disable projection hack", (void *) &glprojectionhacks, CVAR_INT, 0, 1 },
{ "r_wspr_offset", "anti-fighting offset for wall sprites", (void *) &r_wspr_offset, CVAR_FLOAT, 0, 1 },
{ "r_wspr_variance", "anti-fighting offset variance for wall sprites", (void *) &r_wspr_variance, CVAR_FLOAT, 0, 1 },
{ "r_fspr_offset", "anti-fighting offset for floor sprites", (void *) &r_fspr_offset, CVAR_FLOAT, 0, 8 },
#ifdef POLYMER
// polymer cvars
{ "r_pr_lighting", "enable/disable dynamic lights - restarts renderer", (void *) &pr_lighting, CVAR_BOOL | CVAR_RESTARTVID, 0, 1 },