mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-11 23:32:02 +00:00
Merge branch 'master' of https://github.com/rheit/zdoom
This commit is contained in:
Rachael Alexanderson
commit
dcd389f696
3 changed files with 147 additions and 276 deletions
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@ -1256,7 +1256,7 @@ bool PIT_CheckThing(FMultiBlockThingsIterator &it, FMultiBlockThingsIterator::Ch
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{
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// ideally this should take the mass factor into account
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thing->Vel += tm.thing->Vel.XY();
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if ((thing->Vel.X + thing->Vel.Y) > 3.)
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if (fabs(thing->Vel.X) + fabs(thing->Vel.Y) > 3.)
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{
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int newdam;
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damage = (tm.thing->Mass / 100) + 1;
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420
src/r_segs.cpp
420
src/r_segs.cpp
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@ -2676,326 +2676,196 @@ void R_StoreWallRange (int start, int stop)
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ds_p++;
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}
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int OWallMost (short *mostbuf, double z, const FWallCoords *wallc)
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int WallMostAny(short *mostbuf, double z1, double z2, const FWallCoords *wallc)
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{
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int bad, ix1, ix2;
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double y, iy1, iy2;
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double s1, s2, s3, s4;
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float y1 = (float)(CenterY - z1 * InvZtoScale / wallc->sz1);
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float y2 = (float)(CenterY - z2 * InvZtoScale / wallc->sz2);
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z = -z;
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s1 = globaluclip * wallc->sz1; s2 = globaluclip * wallc->sz2;
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s3 = globaldclip * wallc->sz1; s4 = globaldclip * wallc->sz2;
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bad = (z<s1)+((z<s2)<<1)+((z>s3)<<2)+((z>s4)<<3);
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if ((bad&3) == 3)
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{ // entire line is above the screen
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memset (&mostbuf[wallc->sx1], 0, (wallc->sx2 - wallc->sx1)*sizeof(mostbuf[0]));
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return bad;
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}
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if ((bad&12) == 12)
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{ // entire line is below the screen
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clearbufshort (&mostbuf[wallc->sx1], wallc->sx2 - wallc->sx1, viewheight);
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return bad;
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}
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ix1 = wallc->sx1; iy1 = wallc->sz1;
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ix2 = wallc->sx2; iy2 = wallc->sz2;
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if (bad & 3)
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{ // the line intersects the top of the screen
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double t = (z-s1) / (s2-s1);
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double inty = wallc->sz1 + t * (wallc->sz2 - wallc->sz1);
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int xcross = xs_RoundToInt(wallc->sx1 + (t * wallc->sz2 * (wallc->sx2 - wallc->sx1)) / inty);
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if ((bad & 3) == 2)
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{ // the right side is above the screen
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if (wallc->sx1 <= xcross) { iy2 = inty; ix2 = xcross; }
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if (wallc->sx2 > xcross) memset (&mostbuf[xcross], 0, (wallc->sx2-xcross)*sizeof(mostbuf[0]));
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}
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else
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{ // the left side is above the screen
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if (xcross <= wallc->sx2) { iy1 = inty; ix1 = xcross; }
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if (xcross > wallc->sx1) memset (&mostbuf[wallc->sx1], 0, (xcross-wallc->sx1)*sizeof(mostbuf[0]));
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}
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}
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if (bad & 12)
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{ // the line intersects the bottom of the screen
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double t = (z-s3) / (s4-s3);
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double inty = wallc->sz1 + t * (wallc->sz2 - wallc->sz1);
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int xcross = xs_RoundToInt(wallc->sx1 + (t * wallc->sz2 * (wallc->sx2 - wallc->sx1)) / inty);
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if ((bad & 12) == 8)
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{ // the right side is below the screen
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if (wallc->sx1 <= xcross) { iy2 = inty; ix2 = xcross; }
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if (wallc->sx2 > xcross) clearbufshort (&mostbuf[xcross], wallc->sx2 - xcross, viewheight);
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}
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else
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{ // the left side is below the screen
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if (xcross <= wallc->sx2) { iy1 = inty; ix1 = xcross; }
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if (xcross > wallc->sx1) clearbufshort (&mostbuf[wallc->sx1], xcross - wallc->sx1, viewheight);
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}
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}
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y = z * InvZtoScale / iy1;
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if (ix2 == ix1)
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if (y1 < 0 && y2 < 0) // entire line is above screen
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{
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mostbuf[ix1] = (short)xs_RoundToInt(y + CenterY);
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memset(&mostbuf[wallc->sx1], 0, (wallc->sx2 - wallc->sx1) * sizeof(mostbuf[0]));
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return 3;
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}
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else if (y1 > viewheight && y2 > viewheight) // entire line is below screen
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{
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clearbufshort(&mostbuf[wallc->sx1], wallc->sx2 - wallc->sx1, viewheight);
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return 12;
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}
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if (wallc->sx2 <= wallc->sx1)
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return 0;
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float rcp_delta = 1.0f / (wallc->sx2 - wallc->sx1);
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if (y1 >= 0.0f && y2 >= 0.0f && xs_RoundToInt(y1) <= viewheight && xs_RoundToInt(y2) <= viewheight)
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{
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for (int x = wallc->sx1; x < wallc->sx2; x++)
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{
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float t = (x - wallc->sx1) * rcp_delta;
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float y = y1 * (1.0f - t) + y2 * t;
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mostbuf[x] = (short)xs_RoundToInt(y);
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}
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}
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else
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{
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fixed_t yinc = FLOAT2FIXED(((z * InvZtoScale / iy2) - y) / (ix2 - ix1));
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qinterpolatedown16short (&mostbuf[ix1], ix2-ix1, FLOAT2FIXED(y + CenterY) + FRACUNIT/2, yinc);
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for (int x = wallc->sx1; x < wallc->sx2; x++)
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{
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float t = (x - wallc->sx1) * rcp_delta;
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float y = y1 * (1.0f - t) + y2 * t;
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mostbuf[x] = (short)clamp(xs_RoundToInt(y), 0, viewheight);
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}
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}
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return bad;
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return 0;
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}
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int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
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int OWallMost(short *mostbuf, double z, const FWallCoords *wallc)
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{
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return WallMostAny(mostbuf, z, z, wallc);
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}
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int WallMost(short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
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{
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if (!plane.isSlope())
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{
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return OWallMost(mostbuf, plane.Zat0() - ViewPos.Z, wallc);
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}
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double x, y, den, z1, z2, oz1, oz2;
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double s1, s2, s3, s4;
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int bad, ix1, ix2;
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double iy1, iy2;
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// Get Z coordinates at both ends of the line
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if (MirrorFlags & RF_XFLIP)
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{
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x = curline->v2->fX();
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y = curline->v2->fY();
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if (wallc->sx1 == 0 && 0 != (den = wallc->tleft.X - wallc->tright.X + wallc->tleft.Y - wallc->tright.Y))
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{
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double frac = (wallc->tleft.Y + wallc->tleft.X) / den;
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x -= frac * (x - curline->v1->fX());
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y -= frac * (y - curline->v1->fY());
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}
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z1 = ViewPos.Z - plane.ZatPoint(x, y);
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if (wallc->sx2 > wallc->sx1 + 1)
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{
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x = curline->v1->fX();
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y = curline->v1->fY();
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if (wallc->sx2 == viewwidth && 0 != (den = wallc->tleft.X - wallc->tright.X - wallc->tleft.Y + wallc->tright.Y))
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{
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double frac = (wallc->tright.Y - wallc->tright.X) / den;
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x += frac * (curline->v2->fX() - x);
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y += frac * (curline->v2->fY() - y);
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}
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z2 = ViewPos.Z - plane.ZatPoint(x, y);
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}
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else
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{
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z2 = z1;
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}
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}
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else
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{
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x = curline->v1->fX();
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y = curline->v1->fY();
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if (wallc->sx1 == 0 && 0 != (den = wallc->tleft.X - wallc->tright.X + wallc->tleft.Y - wallc->tright.Y))
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{
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double frac = (wallc->tleft.Y + wallc->tleft.X) / den;
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x += frac * (curline->v2->fX() - x);
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y += frac * (curline->v2->fY() - y);
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}
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z1 = ViewPos.Z - plane.ZatPoint(x, y);
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if (wallc->sx2 > wallc->sx1 + 1)
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// Get Z coordinates at both ends of the line
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double x, y, den, z1, z2;
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if (MirrorFlags & RF_XFLIP)
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{
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x = curline->v2->fX();
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y = curline->v2->fY();
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if (wallc->sx2 == viewwidth && 0 != (den = wallc->tleft.X - wallc->tright.X - wallc->tleft.Y + wallc->tright.Y))
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if (wallc->sx1 == 0 && 0 != (den = wallc->tleft.X - wallc->tright.X + wallc->tleft.Y - wallc->tright.Y))
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{
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double frac = (wallc->tright.Y - wallc->tright.X) / den;
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double frac = (wallc->tleft.Y + wallc->tleft.X) / den;
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x -= frac * (x - curline->v1->fX());
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y -= frac * (y - curline->v1->fY());
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}
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z2 = ViewPos.Z - plane.ZatPoint(x, y);
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}
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else
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{
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z2 = z1;
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}
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}
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z1 = plane.ZatPoint(x, y) - ViewPos.Z;
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s1 = globaluclip * wallc->sz1; s2 = globaluclip * wallc->sz2;
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s3 = globaldclip * wallc->sz1; s4 = globaldclip * wallc->sz2;
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bad = (z1<s1)+((z2<s2)<<1)+((z1>s3)<<2)+((z2>s4)<<3);
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ix1 = wallc->sx1; ix2 = wallc->sx2;
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iy1 = wallc->sz1; iy2 = wallc->sz2;
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oz1 = z1; oz2 = z2;
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if ((bad&3) == 3)
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{ // The entire line is above the screen
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memset (&mostbuf[ix1], 0, (ix2-ix1)*sizeof(mostbuf[0]));
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return bad;
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}
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if ((bad&12) == 12)
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{ // The entire line is below the screen
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clearbufshort (&mostbuf[ix1], ix2-ix1, viewheight);
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return bad;
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}
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if (bad&3)
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{ // The line intersects the top of the screen
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//inty = intz / (globaluclip>>16)
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double t = (oz1-s1) / (s2-s1+oz1-oz2);
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double inty = wallc->sz1 + t * (wallc->sz2-wallc->sz1);
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double intz = oz1 + t * (oz2-oz1);
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int xcross = wallc->sx1 + xs_RoundToInt((t * wallc->sz2 * (wallc->sx2-wallc->sx1)) / inty);
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//t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4));
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//inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
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//intz = z1 + mulscale30(z2-z1,t);
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if ((bad&3) == 2)
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{ // The right side of the line is above the screen
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if (wallc->sx1 <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; }
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memset (&mostbuf[xcross], 0, (wallc->sx2-xcross)*sizeof(mostbuf[0]));
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}
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else
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{ // The left side of the line is above the screen
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if (xcross <= wallc->sx2) { z1 = intz; iy1 = inty; ix1 = xcross; }
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memset (&mostbuf[wallc->sx1], 0, (xcross-wallc->sx1)*sizeof(mostbuf[0]));
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}
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}
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if (bad&12)
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{ // The line intersects the bottom of the screen
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//inty = intz / (globaldclip>>16)
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double t = (oz1-s3) / (s4-s3+oz1-oz2);
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double inty = wallc->sz1 + t * (wallc->sz2-wallc->sz1);
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double intz = oz1 + t * (oz2-oz1);
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int xcross = wallc->sx1 + xs_RoundToInt((t * wallc->sz2 * (wallc->sx2-wallc->sx1)) / inty);
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//t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4));
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//inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
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//intz = z1 + mulscale30(z2-z1,t);
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if ((bad&12) == 8)
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{ // The right side of the line is below the screen
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if (wallc->sx1 <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; }
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if (wallc->sx2 > xcross) clearbufshort (&mostbuf[xcross], wallc->sx2-xcross, viewheight);
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}
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else
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{ // The left side of the line is below the screen
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if (xcross <= wallc->sx2) { z1 = intz; iy1 = inty; ix1 = xcross; }
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if (xcross > wallc->sx1) clearbufshort (&mostbuf[wallc->sx1], xcross-wallc->sx1, viewheight);
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}
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}
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y = z1 * InvZtoScale / iy1;
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if (ix2 == ix1)
|
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{
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mostbuf[ix1] = (short)xs_RoundToInt(y + CenterY);
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}
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else
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{
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fixed_t yinc = FLOAT2FIXED(((z2 * InvZtoScale / iy2) - y) / (ix2-ix1));
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qinterpolatedown16short (&mostbuf[ix1], ix2-ix1, FLOAT2FIXED(y + CenterY) + FRACUNIT/2, yinc);
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}
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return bad;
|
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}
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static void PrepWallRoundFix(fixed_t *lwall, fixed_t walxrepeat, int x1, int x2)
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{
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// fix for rounding errors
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walxrepeat = abs(walxrepeat);
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fixed_t fix = (MirrorFlags & RF_XFLIP) ? walxrepeat-1 : 0;
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int x;
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if (x1 > 0)
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{
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for (x = x1; x < x2; x++)
|
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{
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if ((unsigned)lwall[x] >= (unsigned)walxrepeat)
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if (wallc->sx2 > wallc->sx1 + 1)
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{
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lwall[x] = fix;
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x = curline->v1->fX();
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y = curline->v1->fY();
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if (wallc->sx2 == viewwidth && 0 != (den = wallc->tleft.X - wallc->tright.X - wallc->tleft.Y + wallc->tright.Y))
|
||||
{
|
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double frac = (wallc->tright.Y - wallc->tright.X) / den;
|
||||
x += frac * (curline->v2->fX() - x);
|
||||
y += frac * (curline->v2->fY() - y);
|
||||
}
|
||||
z2 = plane.ZatPoint(x, y) - ViewPos.Z;
|
||||
}
|
||||
else
|
||||
{
|
||||
break;
|
||||
z2 = z1;
|
||||
}
|
||||
}
|
||||
}
|
||||
fix = walxrepeat - 1 - fix;
|
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for (x = x2-1; x >= x1; x--)
|
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{
|
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if ((unsigned)lwall[x] >= (unsigned)walxrepeat)
|
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{
|
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lwall[x] = fix;
|
||||
}
|
||||
else
|
||||
{
|
||||
break;
|
||||
x = curline->v1->fX();
|
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y = curline->v1->fY();
|
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if (wallc->sx1 == 0 && 0 != (den = wallc->tleft.X - wallc->tright.X + wallc->tleft.Y - wallc->tright.Y))
|
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{
|
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double frac = (wallc->tleft.Y + wallc->tleft.X) / den;
|
||||
x += frac * (curline->v2->fX() - x);
|
||||
y += frac * (curline->v2->fY() - y);
|
||||
}
|
||||
z1 = plane.ZatPoint(x, y) - ViewPos.Z;
|
||||
|
||||
if (wallc->sx2 > wallc->sx1 + 1)
|
||||
{
|
||||
x = curline->v2->fX();
|
||||
y = curline->v2->fY();
|
||||
if (wallc->sx2 == viewwidth && 0 != (den = wallc->tleft.X - wallc->tright.X - wallc->tleft.Y + wallc->tright.Y))
|
||||
{
|
||||
double frac = (wallc->tright.Y - wallc->tright.X) / den;
|
||||
x -= frac * (x - curline->v1->fX());
|
||||
y -= frac * (y - curline->v1->fY());
|
||||
}
|
||||
z2 = plane.ZatPoint(x, y) - ViewPos.Z;
|
||||
}
|
||||
else
|
||||
{
|
||||
z2 = z1;
|
||||
}
|
||||
}
|
||||
|
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return WallMostAny(mostbuf, z1, z2, wallc);
|
||||
}
|
||||
}
|
||||
|
||||
void PrepWall(float *vstep, fixed_t *upos, double walxrepeat, int x1, int x2)
|
||||
{
|
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float uOverZ = WallT.UoverZorg + WallT.UoverZstep * (float)(x1 + 0.5 - CenterX);
|
||||
float invZ = WallT.InvZorg + WallT.InvZstep * (float)(x1 + 0.5 - CenterX);
|
||||
float uGradient = WallT.UoverZstep;
|
||||
float zGradient = WallT.InvZstep;
|
||||
float xrepeat = (float)walxrepeat;
|
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float depthScale = (float)(WallT.InvZstep * WallTMapScale2);
|
||||
float depthOrg = (float)(-WallT.UoverZstep * WallTMapScale2);
|
||||
|
||||
if (xrepeat < 0.0f)
|
||||
{
|
||||
for (int x = x1; x < x2; x++)
|
||||
{
|
||||
float u = uOverZ / invZ;
|
||||
|
||||
upos[x] = (fixed_t)((xrepeat - u * xrepeat) * FRACUNIT);
|
||||
vstep[x] = depthOrg + u * depthScale;
|
||||
|
||||
uOverZ += uGradient;
|
||||
invZ += zGradient;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (int x = x1; x < x2; x++)
|
||||
{
|
||||
float u = uOverZ / invZ;
|
||||
|
||||
upos[x] = (fixed_t)(u * xrepeat * FRACUNIT);
|
||||
vstep[x] = depthOrg + u * depthScale;
|
||||
|
||||
uOverZ += uGradient;
|
||||
invZ += zGradient;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void PrepWall (float *swall, fixed_t *lwall, double walxrepeat, int x1, int x2)
|
||||
{ // swall = scale, lwall = texturecolumn
|
||||
double top, bot, i;
|
||||
double xrepeat = fabs(walxrepeat * 65536);
|
||||
double depth_scale = WallT.InvZstep * WallTMapScale2;
|
||||
double depth_org = -WallT.UoverZstep * WallTMapScale2;
|
||||
void PrepLWall(fixed_t *upos, double walxrepeat, int x1, int x2)
|
||||
{
|
||||
float uOverZ = WallT.UoverZorg + WallT.UoverZstep * (float)(x1 + 0.5 - CenterX);
|
||||
float invZ = WallT.InvZorg + WallT.InvZstep * (float)(x1 + 0.5 - CenterX);
|
||||
float uGradient = WallT.UoverZstep;
|
||||
float zGradient = WallT.InvZstep;
|
||||
float xrepeat = (float)walxrepeat;
|
||||
|
||||
i = x1 - centerx;
|
||||
top = WallT.UoverZorg + WallT.UoverZstep * i;
|
||||
bot = WallT.InvZorg + WallT.InvZstep * i;
|
||||
|
||||
for (int x = x1; x < x2; x++)
|
||||
if (xrepeat < 0.0f)
|
||||
{
|
||||
double frac = top / bot;
|
||||
if (walxrepeat < 0)
|
||||
for (int x = x1; x < x2; x++)
|
||||
{
|
||||
lwall[x] = xs_RoundToInt(xrepeat - frac * xrepeat);
|
||||
float u = uOverZ / invZ * xrepeat - xrepeat;
|
||||
|
||||
upos[x] = (fixed_t)(u * FRACUNIT);
|
||||
|
||||
uOverZ += uGradient;
|
||||
invZ += zGradient;
|
||||
}
|
||||
else
|
||||
{
|
||||
lwall[x] = xs_RoundToInt(frac * xrepeat);
|
||||
}
|
||||
swall[x] = float(frac * depth_scale + depth_org);
|
||||
top += WallT.UoverZstep;
|
||||
bot += WallT.InvZstep;
|
||||
}
|
||||
PrepWallRoundFix(lwall, FLOAT2FIXED(walxrepeat), x1, x2);
|
||||
}
|
||||
|
||||
void PrepLWall (fixed_t *lwall, double walxrepeat, int x1, int x2)
|
||||
{ // lwall = texturecolumn
|
||||
double top, bot, i;
|
||||
double xrepeat = fabs(walxrepeat * 65536);
|
||||
double topstep, botstep;
|
||||
|
||||
i = x1 - centerx;
|
||||
top = WallT.UoverZorg + WallT.UoverZstep * i;
|
||||
bot = WallT.InvZorg + WallT.InvZstep * i;
|
||||
|
||||
top *= xrepeat;
|
||||
topstep = WallT.UoverZstep * xrepeat;
|
||||
botstep = WallT.InvZstep;
|
||||
|
||||
for (int x = x1; x < x2; x++)
|
||||
else
|
||||
{
|
||||
if (walxrepeat < 0)
|
||||
for (int x = x1; x < x2; x++)
|
||||
{
|
||||
lwall[x] = xs_RoundToInt(xrepeat - top / bot);
|
||||
float u = uOverZ / invZ * xrepeat;
|
||||
|
||||
upos[x] = (fixed_t)(u * FRACUNIT);
|
||||
|
||||
uOverZ += uGradient;
|
||||
invZ += zGradient;
|
||||
}
|
||||
else
|
||||
{
|
||||
lwall[x] = xs_RoundToInt(top / bot);
|
||||
}
|
||||
top += topstep;
|
||||
bot += botstep;
|
||||
}
|
||||
PrepWallRoundFix(lwall, FLOAT2FIXED(walxrepeat), x1, x2);
|
||||
}
|
||||
|
||||
// pass = 0: when seg is first drawn
|
||||
|
|
|
|||
|
|
@ -397,6 +397,7 @@ void FString::Remove(size_t index, size_t remlen)
|
|||
if (Data()->RefCount == 1)
|
||||
{ // Can do this in place
|
||||
memmove(Chars + index, Chars + index + remlen, Len() - index - remlen);
|
||||
memset(Chars + Len() - remlen, 0, remlen);
|
||||
Data()->Len -= (unsigned)remlen;
|
||||
}
|
||||
else
|
||||
|
|
|
|||
Loading…
Reference in a new issue