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Fixed sprite clipping with drawsegs (removed unnecessary portal check)

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This commit is contained in:
ZZYZX 2014-12-16 21:31:21 +02:00
commit 29880026a6
4 changed files with 64 additions and 33 deletions
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53
src/r_main.cpp
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@ -625,32 +625,27 @@ void R_HighlightPortal (PortalDrawseg* pds)
// I believe it won't break. if it does, blame me. :(
BYTE color = (BYTE)BestColor((DWORD *)GPalette.BaseColors, 255, 0, 0, 0, 255);
RenderTarget->DrawLine(pds->x1, pds->ceilingclip[0], pds->x1, pds->floorclip[0], color, 0);
RenderTarget->DrawLine(pds->x2, pds->ceilingclip[pds->ceilingclip.Size()-1], pds->x2, pds->floorclip[pds->floorclip.Size()-1], color, 0);
BYTE* pixels = RenderTarget->GetBuffer();
// top edge
for (int x = pds->x1+1; x < pds->x2; x++)
for (int x = pds->x1; x <= pds->x2; x++)
{
if (x < 0 || x >= RenderTarget->GetWidth())
continue;
int p = x - pds->x1;
int Ytop = pds->ceilingclip[p];
int Ybottom = pds->floorclip[p];
if (x == pds->x1 || x == pds->x2)
{
RenderTarget->DrawLine(x, Ytop, x, Ybottom, color, 0);
continue;
}
int YtopPrev = pds->ceilingclip[p-1];
int YbottomPrev = pds->floorclip[p-1];
if (Ytop < 0) Ytop = 0;
if (Ybottom >= RenderTarget->GetHeight())
Ybottom = RenderTarget->GetHeight()-1;
if (YtopPrev < 0) YtopPrev = 0;
if (YbottomPrev >= RenderTarget->GetHeight())
YbottomPrev = RenderTarget->GetHeight()-1;
if (abs(Ytop-YtopPrev) > 1)
RenderTarget->DrawLine(x, YtopPrev, x, Ytop, color, 0);
else *(pixels + Ytop * RenderTarget->GetPitch() + x) = color;
@ -678,10 +673,6 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
BYTE *dest = RenderTarget->GetBuffer() + x + Ytop * spacing;
if (Ytop < 0) Ytop = 0;
if (Ybottom >= RenderTarget->GetHeight())
Ybottom = RenderTarget->GetHeight()-1;
for (int y = Ytop; y <= Ybottom; y++)
{
*dest = color;
@ -698,6 +689,7 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
angle_t startang = viewangle;
fixed_t startx = viewx;
fixed_t starty = viewy;
fixed_t startz = viewz;
CurrentPortalUniq++;
@ -758,17 +750,11 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
CurrentPortal = pds;
R_ClearPlanes (false);
R_ClearClipSegs (pds->x1, pds->x2 + 1); // todo: check if this "+1" is actually needed
// some portals have height differences, account for this here
R_3D_EnterSkybox(); // push 3D floor height map
memcpy (ceilingclip + pds->x1, &pds->ceilingclip[0], pds->ceilingclip.Size()*sizeof(*ceilingclip));
memcpy (floorclip + pds->x1, &pds->floorclip[0], pds->floorclip.Size()*sizeof(*floorclip));
R_ClearClipSegs (pds->x1, pds->x2+1); // todo: check if this "+1" is actually needed
WindowLeft = pds->x1;
WindowRight = pds->x2;
// RF_XFLIP should be removed before calling the root function
int prevmf = MirrorFlags;
if (pds->mirror)
@ -778,6 +764,13 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
else MirrorFlags |= RF_XFLIP;
}
// some portals have height differences, account for this here
R_3D_EnterSkybox(); // push 3D floor height map
// first pass, set clipping
memcpy (ceilingclip + pds->x1, &pds->ceilingclip[0], pds->len*sizeof(*ceilingclip));
memcpy (floorclip + pds->x1, &pds->floorclip[0], pds->len*sizeof(*floorclip));
R_RenderBSPNode (nodes + numnodes - 1);
R_3D_ResetClip(); // reset clips (floor/ceiling)
@ -786,6 +779,8 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
R_DrawSkyBoxes ();
PlaneCycles.Unclock();
fixed_t vzp = viewz;
int prevuniq = CurrentPortalUniq;
// depth check is in another place right now
unsigned int portalsAtEnd = WallPortals.Size ();
@ -793,6 +788,7 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
{
R_EnterPortal (&WallPortals[portalsAtStart], depth + 1);
}
int prevuniq2 = CurrentPortalUniq;
CurrentPortalUniq = prevuniq;
NetUpdate();
@ -803,16 +799,19 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
NetUpdate();
R_3D_LeaveSkybox(); // pop 3D floor height map
CurrentPortalUniq = prevuniq2;
// draw a red line around a portal if it's being highlighted
if (r_highlight_portals)
R_HighlightPortal(pds);
R_3D_LeaveSkybox(); // pop 3D floor height map
CurrentPortal = prevpds;
MirrorFlags = prevmf;
viewangle = startang;
viewx = startx;
viewy = starty;
viewz = startz;
}
//==========================================================================
@ -897,6 +896,7 @@ void R_RenderActorView (AActor *actor, bool dontmaplines)
WindowRight = viewwidth - 1;
MirrorFlags = 0;
CurrentPortal = NULL;
CurrentPortalUniq = 0;
r_dontmaplines = dontmaplines;
@ -937,6 +937,9 @@ void R_RenderActorView (AActor *actor, bool dontmaplines)
R_EnterPortal(&WallPortals[i], 0);
}
CurrentPortal = NULL;
CurrentPortalUniq = 0;
NetUpdate ();
MaskedCycles.Clock();