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debugrender_portal, debugrender_visplanes: fix in splitscreen

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- Fix debugrender_visplanes crashing
- Fix debugrender_portal drawing everything on P1 viewport
This commit is contained in:
James R 2024-03-02 22:24:27 -08:00
parent 3ea57bdf2f
commit 45aef83fc1
1 changed files with 8 additions and 4 deletions
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12
src/r_main.cpp
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@ -1617,7 +1617,11 @@ void R_RenderPlayerView(void)
{
if (top > bot)
std::swap(top, bot);
UINT8* p = &screens[0][x + top * vid.width];
if (top < 0)
top = 0;
if (bot > viewheight-1)
bot = viewheight-1;
UINT8* p = &topleft[x + top * vid.width];
while (top <= bot)
{
*p = 35;
@ -1634,7 +1638,7 @@ void R_RenderPlayerView(void)
INT32 bottom = pl->bottom[pl->minx];
span(pl->minx, top, bottom);
span(pl->maxx, pl->top[pl->maxx], pl->bottom[pl->maxx]);
for (INT32 x = pl->minx + 1; x < pl->maxx; ++x)
for (INT32 x = pl->minx + 1; x < std::min(pl->maxx, viewwidth); ++x)
{
INT32 new_top = pl->top[x];
INT32 new_bottom = pl->bottom[x];
@ -1668,14 +1672,14 @@ void R_RenderPlayerView(void)
INT32 width = (portal->end - portal->start);
INT32 i;
for (i = 0; i < width; ++i)
for (i = 0; i < std::min(width, viewwidth); ++i)
{
INT32 yl = std::max(portal->ceilingclip[i] + 1, 0);
INT32 yh = std::min(static_cast<INT32>(portal->floorclip[i]), viewheight);
for (; yl < yh; ++yl)
{
screens[0][portal->start + i + (yl * vid.width)] = pal;
topleft[portal->start + i + (yl * vid.width)] = pal;
}
}