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Merge branch 'master' of https://github.com/rheit/zdoom

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This commit is contained in:
Rachael Alexanderson 2016-11-27 11:55:05 -05:00
commit dcd389f696
3 changed files with 147 additions and 276 deletions
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2
src/p_map.cpp
View file

@ -1256,7 +1256,7 @@ bool PIT_CheckThing(FMultiBlockThingsIterator &it, FMultiBlockThingsIterator::Ch
{ {
// ideally this should take the mass factor into account // ideally this should take the mass factor into account
thing->Vel += tm.thing->Vel.XY(); thing->Vel += tm.thing->Vel.XY();
if ((thing->Vel.X + thing->Vel.Y) > 3.) if (fabs(thing->Vel.X) + fabs(thing->Vel.Y) > 3.)
{ {
int newdam; int newdam;
damage = (tm.thing->Mass / 100) + 1; damage = (tm.thing->Mass / 100) + 1;

320
src/r_segs.cpp
View file

@ -2676,92 +2676,63 @@ void R_StoreWallRange (int start, int stop)
ds_p++; ds_p++;
} }
int OWallMost (short *mostbuf, double z, const FWallCoords *wallc) int WallMostAny(short *mostbuf, double z1, double z2, const FWallCoords *wallc)
{ {
int bad, ix1, ix2; float y1 = (float)(CenterY - z1 * InvZtoScale / wallc->sz1);
double y, iy1, iy2; float y2 = (float)(CenterY - z2 * InvZtoScale / wallc->sz2);
double s1, s2, s3, s4;
z = -z; if (y1 < 0 && y2 < 0) // entire line is above screen
s1 = globaluclip * wallc->sz1; s2 = globaluclip * wallc->sz2;
s3 = globaldclip * wallc->sz1; s4 = globaldclip * wallc->sz2;
bad = (z<s1)+((z<s2)<<1)+((z>s3)<<2)+((z>s4)<<3);
if ((bad&3) == 3)
{ // entire line is above the screen
memset (&mostbuf[wallc->sx1], 0, (wallc->sx2 - wallc->sx1)*sizeof(mostbuf[0]));
return bad;
}
if ((bad&12) == 12)
{ // entire line is below the screen
clearbufshort (&mostbuf[wallc->sx1], wallc->sx2 - wallc->sx1, viewheight);
return bad;
}
ix1 = wallc->sx1; iy1 = wallc->sz1;
ix2 = wallc->sx2; iy2 = wallc->sz2;
if (bad & 3)
{ // the line intersects the top of the screen
double t = (z-s1) / (s2-s1);
double inty = wallc->sz1 + t * (wallc->sz2 - wallc->sz1);
int xcross = xs_RoundToInt(wallc->sx1 + (t * wallc->sz2 * (wallc->sx2 - wallc->sx1)) / inty);
if ((bad & 3) == 2)
{ // the right side is above the screen
if (wallc->sx1 <= xcross) { iy2 = inty; ix2 = xcross; }
if (wallc->sx2 > xcross) memset (&mostbuf[xcross], 0, (wallc->sx2-xcross)*sizeof(mostbuf[0]));
}
else
{ // the left side is above the screen
if (xcross <= wallc->sx2) { iy1 = inty; ix1 = xcross; }
if (xcross > wallc->sx1) memset (&mostbuf[wallc->sx1], 0, (xcross-wallc->sx1)*sizeof(mostbuf[0]));
}
}
if (bad & 12)
{ // the line intersects the bottom of the screen
double t = (z-s3) / (s4-s3);
double inty = wallc->sz1 + t * (wallc->sz2 - wallc->sz1);
int xcross = xs_RoundToInt(wallc->sx1 + (t * wallc->sz2 * (wallc->sx2 - wallc->sx1)) / inty);
if ((bad & 12) == 8)
{ // the right side is below the screen
if (wallc->sx1 <= xcross) { iy2 = inty; ix2 = xcross; }
if (wallc->sx2 > xcross) clearbufshort (&mostbuf[xcross], wallc->sx2 - xcross, viewheight);
}
else
{ // the left side is below the screen
if (xcross <= wallc->sx2) { iy1 = inty; ix1 = xcross; }
if (xcross > wallc->sx1) clearbufshort (&mostbuf[wallc->sx1], xcross - wallc->sx1, viewheight);
}
}
y = z * InvZtoScale / iy1;
if (ix2 == ix1)
{ {
mostbuf[ix1] = (short)xs_RoundToInt(y + CenterY); memset(&mostbuf[wallc->sx1], 0, (wallc->sx2 - wallc->sx1) * sizeof(mostbuf[0]));
return 3;
}
else if (y1 > viewheight && y2 > viewheight) // entire line is below screen
{
clearbufshort(&mostbuf[wallc->sx1], wallc->sx2 - wallc->sx1, viewheight);
return 12;
}
if (wallc->sx2 <= wallc->sx1)
return 0;
float rcp_delta = 1.0f / (wallc->sx2 - wallc->sx1);
if (y1 >= 0.0f && y2 >= 0.0f && xs_RoundToInt(y1) <= viewheight && xs_RoundToInt(y2) <= viewheight)
{
for (int x = wallc->sx1; x < wallc->sx2; x++)
{
float t = (x - wallc->sx1) * rcp_delta;
float y = y1 * (1.0f - t) + y2 * t;
mostbuf[x] = (short)xs_RoundToInt(y);
}
} }
else else
{ {
fixed_t yinc = FLOAT2FIXED(((z * InvZtoScale / iy2) - y) / (ix2 - ix1)); for (int x = wallc->sx1; x < wallc->sx2; x++)
qinterpolatedown16short (&mostbuf[ix1], ix2-ix1, FLOAT2FIXED(y + CenterY) + FRACUNIT/2, yinc); {
float t = (x - wallc->sx1) * rcp_delta;
float y = y1 * (1.0f - t) + y2 * t;
mostbuf[x] = (short)clamp(xs_RoundToInt(y), 0, viewheight);
} }
return bad; }
return 0;
} }
int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc) int OWallMost(short *mostbuf, double z, const FWallCoords *wallc)
{
return WallMostAny(mostbuf, z, z, wallc);
}
int WallMost(short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
{ {
if (!plane.isSlope()) if (!plane.isSlope())
{ {
return OWallMost(mostbuf, plane.Zat0() - ViewPos.Z, wallc); return OWallMost(mostbuf, plane.Zat0() - ViewPos.Z, wallc);
} }
else
double x, y, den, z1, z2, oz1, oz2; {
double s1, s2, s3, s4;
int bad, ix1, ix2;
double iy1, iy2;
// Get Z coordinates at both ends of the line // Get Z coordinates at both ends of the line
double x, y, den, z1, z2;
if (MirrorFlags & RF_XFLIP) if (MirrorFlags & RF_XFLIP)
{ {
x = curline->v2->fX(); x = curline->v2->fX();
@ -2772,7 +2743,7 @@ int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
x -= frac * (x - curline->v1->fX()); x -= frac * (x - curline->v1->fX());
y -= frac * (y - curline->v1->fY()); y -= frac * (y - curline->v1->fY());
} }
z1 = ViewPos.Z - plane.ZatPoint(x, y); z1 = plane.ZatPoint(x, y) - ViewPos.Z;
if (wallc->sx2 > wallc->sx1 + 1) if (wallc->sx2 > wallc->sx1 + 1)
{ {
@ -2784,7 +2755,7 @@ int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
x += frac * (curline->v2->fX() - x); x += frac * (curline->v2->fX() - x);
y += frac * (curline->v2->fY() - y); y += frac * (curline->v2->fY() - y);
} }
z2 = ViewPos.Z - plane.ZatPoint(x, y); z2 = plane.ZatPoint(x, y) - ViewPos.Z;
} }
else else
{ {
@ -2801,7 +2772,7 @@ int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
x += frac * (curline->v2->fX() - x); x += frac * (curline->v2->fX() - x);
y += frac * (curline->v2->fY() - y); y += frac * (curline->v2->fY() - y);
} }
z1 = ViewPos.Z - plane.ZatPoint(x, y); z1 = plane.ZatPoint(x, y) - ViewPos.Z;
if (wallc->sx2 > wallc->sx1 + 1) if (wallc->sx2 > wallc->sx1 + 1)
{ {
@ -2813,7 +2784,7 @@ int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
x -= frac * (x - curline->v1->fX()); x -= frac * (x - curline->v1->fX());
y -= frac * (y - curline->v1->fY()); y -= frac * (y - curline->v1->fY());
} }
z2 = ViewPos.Z - plane.ZatPoint(x, y); z2 = plane.ZatPoint(x, y) - ViewPos.Z;
} }
else else
{ {
@ -2821,181 +2792,80 @@ int WallMost (short *mostbuf, const secplane_t &plane, const FWallCoords *wallc)
} }
} }
s1 = globaluclip * wallc->sz1; s2 = globaluclip * wallc->sz2; return WallMostAny(mostbuf, z1, z2, wallc);
s3 = globaldclip * wallc->sz1; s4 = globaldclip * wallc->sz2;
bad = (z1<s1)+((z2<s2)<<1)+((z1>s3)<<2)+((z2>s4)<<3);
ix1 = wallc->sx1; ix2 = wallc->sx2;
iy1 = wallc->sz1; iy2 = wallc->sz2;
oz1 = z1; oz2 = z2;
if ((bad&3) == 3)
{ // The entire line is above the screen
memset (&mostbuf[ix1], 0, (ix2-ix1)*sizeof(mostbuf[0]));
return bad;
} }
if ((bad&12) == 12)
{ // The entire line is below the screen
clearbufshort (&mostbuf[ix1], ix2-ix1, viewheight);
return bad;
}
if (bad&3)
{ // The line intersects the top of the screen
//inty = intz / (globaluclip>>16)
double t = (oz1-s1) / (s2-s1+oz1-oz2);
double inty = wallc->sz1 + t * (wallc->sz2-wallc->sz1);
double intz = oz1 + t * (oz2-oz1);
int xcross = wallc->sx1 + xs_RoundToInt((t * wallc->sz2 * (wallc->sx2-wallc->sx1)) / inty);
//t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4));
//inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
//intz = z1 + mulscale30(z2-z1,t);
if ((bad&3) == 2)
{ // The right side of the line is above the screen
if (wallc->sx1 <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; }
memset (&mostbuf[xcross], 0, (wallc->sx2-xcross)*sizeof(mostbuf[0]));
}
else
{ // The left side of the line is above the screen
if (xcross <= wallc->sx2) { z1 = intz; iy1 = inty; ix1 = xcross; }
memset (&mostbuf[wallc->sx1], 0, (xcross-wallc->sx1)*sizeof(mostbuf[0]));
}
}
if (bad&12)
{ // The line intersects the bottom of the screen
//inty = intz / (globaldclip>>16)
double t = (oz1-s3) / (s4-s3+oz1-oz2);
double inty = wallc->sz1 + t * (wallc->sz2-wallc->sz1);
double intz = oz1 + t * (oz2-oz1);
int xcross = wallc->sx1 + xs_RoundToInt((t * wallc->sz2 * (wallc->sx2-wallc->sx1)) / inty);
//t = divscale30((x1<<4)-xcross*yb1[w],xcross*(yb2[w]-yb1[w])-((x2-x1)<<4));
//inty = yb1[w] + mulscale30(yb2[w]-yb1[w],t);
//intz = z1 + mulscale30(z2-z1,t);
if ((bad&12) == 8)
{ // The right side of the line is below the screen
if (wallc->sx1 <= xcross) { z2 = intz; iy2 = inty; ix2 = xcross; }
if (wallc->sx2 > xcross) clearbufshort (&mostbuf[xcross], wallc->sx2-xcross, viewheight);
}
else
{ // The left side of the line is below the screen
if (xcross <= wallc->sx2) { z1 = intz; iy1 = inty; ix1 = xcross; }
if (xcross > wallc->sx1) clearbufshort (&mostbuf[wallc->sx1], xcross-wallc->sx1, viewheight);
}
}
y = z1 * InvZtoScale / iy1;
if (ix2 == ix1)
{
mostbuf[ix1] = (short)xs_RoundToInt(y + CenterY);
}
else
{
fixed_t yinc = FLOAT2FIXED(((z2 * InvZtoScale / iy2) - y) / (ix2-ix1));
qinterpolatedown16short (&mostbuf[ix1], ix2-ix1, FLOAT2FIXED(y + CenterY) + FRACUNIT/2, yinc);
}
return bad;
} }
static void PrepWallRoundFix(fixed_t *lwall, fixed_t walxrepeat, int x1, int x2) void PrepWall(float *vstep, fixed_t *upos, double walxrepeat, int x1, int x2)
{ {
// fix for rounding errors float uOverZ = WallT.UoverZorg + WallT.UoverZstep * (float)(x1 + 0.5 - CenterX);
walxrepeat = abs(walxrepeat); float invZ = WallT.InvZorg + WallT.InvZstep * (float)(x1 + 0.5 - CenterX);
fixed_t fix = (MirrorFlags & RF_XFLIP) ? walxrepeat-1 : 0; float uGradient = WallT.UoverZstep;
int x; float zGradient = WallT.InvZstep;
float xrepeat = (float)walxrepeat;
float depthScale = (float)(WallT.InvZstep * WallTMapScale2);
float depthOrg = (float)(-WallT.UoverZstep * WallTMapScale2);
if (x1 > 0) if (xrepeat < 0.0f)
{ {
for (x = x1; x < x2; x++) for (int x = x1; x < x2; x++)
{ {
if ((unsigned)lwall[x] >= (unsigned)walxrepeat) float u = uOverZ / invZ;
{
lwall[x] = fix; upos[x] = (fixed_t)((xrepeat - u * xrepeat) * FRACUNIT);
vstep[x] = depthOrg + u * depthScale;
uOverZ += uGradient;
invZ += zGradient;
}
} }
else else
{ {
break; for (int x = x1; x < x2; x++)
}
}
}
fix = walxrepeat - 1 - fix;
for (x = x2-1; x >= x1; x--)
{ {
if ((unsigned)lwall[x] >= (unsigned)walxrepeat) float u = uOverZ / invZ;
{
lwall[x] = fix; upos[x] = (fixed_t)(u * xrepeat * FRACUNIT);
} vstep[x] = depthOrg + u * depthScale;
else
{ uOverZ += uGradient;
break; invZ += zGradient;
} }
} }
} }
void PrepWall (float *swall, fixed_t *lwall, double walxrepeat, int x1, int x2) void PrepLWall(fixed_t *upos, double walxrepeat, int x1, int x2)
{ // swall = scale, lwall = texturecolumn {
double top, bot, i; float uOverZ = WallT.UoverZorg + WallT.UoverZstep * (float)(x1 + 0.5 - CenterX);
double xrepeat = fabs(walxrepeat * 65536); float invZ = WallT.InvZorg + WallT.InvZstep * (float)(x1 + 0.5 - CenterX);
double depth_scale = WallT.InvZstep * WallTMapScale2; float uGradient = WallT.UoverZstep;
double depth_org = -WallT.UoverZstep * WallTMapScale2; float zGradient = WallT.InvZstep;
float xrepeat = (float)walxrepeat;
i = x1 - centerx;
top = WallT.UoverZorg + WallT.UoverZstep * i;
bot = WallT.InvZorg + WallT.InvZstep * i;
if (xrepeat < 0.0f)
{
for (int x = x1; x < x2; x++) for (int x = x1; x < x2; x++)
{ {
double frac = top / bot; float u = uOverZ / invZ * xrepeat - xrepeat;
if (walxrepeat < 0)
{ upos[x] = (fixed_t)(u * FRACUNIT);
lwall[x] = xs_RoundToInt(xrepeat - frac * xrepeat);
uOverZ += uGradient;
invZ += zGradient;
}
} }
else 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++) for (int x = x1; x < x2; x++)
{ {
if (walxrepeat < 0) float u = uOverZ / invZ * xrepeat;
{
lwall[x] = xs_RoundToInt(xrepeat - top / bot); 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 // pass = 0: when seg is first drawn

1
src/zstring.cpp
View file

@ -397,6 +397,7 @@ void FString::Remove(size_t index, size_t remlen)
if (Data()->RefCount == 1) if (Data()->RefCount == 1)
{ // Can do this in place { // Can do this in place
memmove(Chars + index, Chars + index + remlen, Len() - index - remlen); memmove(Chars + index, Chars + index + remlen, Len() - index - remlen);
memset(Chars + Len() - remlen, 0, remlen);
Data()->Len -= (unsigned)remlen; Data()->Len -= (unsigned)remlen;
} }
else else