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Create ClipSegmentTopBottom function

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This commit is contained in:
Magnus Norddahl 2017-02-12 06:44:03 +01:00
parent 8d25a6d8d4
commit b5c5bd9a1c
2 changed files with 26 additions and 19 deletions
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41
src/swrenderer/line/r_line.cpp
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@ -309,8 +309,6 @@ namespace swrenderer
side_t *sidedef = mLineSegment->sidedef;
rw_light = rw_lightleft + rw_lightstep * (start - WallC.sx1);
RenderPortal *renderportal = Thread->Portal.get();
DrawSegment *draw_segment = Thread->FrameMemory->NewObject<DrawSegment>();
@ -485,7 +483,7 @@ namespace swrenderer
draw_segment->iscalestep = 0;
}
}
draw_segment->light = rw_light;
draw_segment->light = rw_lightleft + rw_lightstep * (start - WallC.sx1);
draw_segment->lightstep = rw_lightstep;
// Masked mMiddlePart.Textures should get the light level from the sector they reference,
@ -519,6 +517,7 @@ namespace swrenderer
mFloorPlane = Thread->PlaneList->GetRange(mFloorPlane, start, stop);
}
ClipSegmentTopBottom(start, stop);
RenderWallSegmentTextures(start, stop);
if (clip3d->fake3D & FAKE3D_FAKEMASK)
@ -959,6 +958,24 @@ namespace swrenderer
(front->GetTexture(sector_t::ceiling) != skyflatnum || back->GetTexture(sector_t::ceiling) != skyflatnum);
}
void SWRenderLine::ClipSegmentTopBottom(int x1, int x2)
{
// clip wall to the floor and ceiling
auto ceilingclip = Thread->OpaquePass->ceilingclip;
auto floorclip = Thread->OpaquePass->floorclip;
for (int x = x1; x < x2; ++x)
{
if (walltop.ScreenY[x] < ceilingclip[x])
{
walltop.ScreenY[x] = ceilingclip[x];
}
if (wallbottom.ScreenY[x] > floorclip[x])
{
wallbottom.ScreenY[x] = floorclip[x];
}
}
}
// Draws zero, one, or two textures for walls.
// Can draw or mark the starting pixel of floor and ceiling textures.
void SWRenderLine::RenderWallSegmentTextures(int x1, int x2)
@ -967,6 +984,9 @@ namespace swrenderer
double xscale;
double yscale;
auto ceilingclip = Thread->OpaquePass->ceilingclip;
auto floorclip = Thread->OpaquePass->floorclip;
WallDrawerArgs drawerargs;
drawerargs.SetStyle(false, false, OPAQUE);
@ -977,20 +997,7 @@ namespace swrenderer
else if (cameraLight->FixedColormap() != nullptr)
drawerargs.SetLight(cameraLight->FixedColormap(), 0, 0);
// clip wall to the floor and ceiling
auto ceilingclip = Thread->OpaquePass->ceilingclip;
auto floorclip = Thread->OpaquePass->floorclip;
for (x = x1; x < x2; ++x)
{
if (walltop.ScreenY[x] < ceilingclip[x])
{
walltop.ScreenY[x] = ceilingclip[x];
}
if (wallbottom.ScreenY[x] > floorclip[x])
{
wallbottom.ScreenY[x] = floorclip[x];
}
}
float rw_light = rw_lightleft + rw_lightstep * (x1 - WallC.sx1);
Clip3DFloors *clip3d = Thread->Clip3D.get();

2
src/swrenderer/line/r_line.h
View file

@ -69,6 +69,7 @@ namespace swrenderer
private:
bool RenderWallSegment(int x1, int x2) override;
void SetWallVariables(bool needlights);
void ClipSegmentTopBottom(int x1, int x2);
void RenderWallSegmentTextures(int x1, int x2);
bool IsFogBoundary(sector_t *front, sector_t *back) const;
@ -113,7 +114,6 @@ namespace swrenderer
bool rw_prepped;
int wallshade;
float rw_light;
float rw_lightstep;
float rw_lightleft;