zdoom/gzdoom-gles
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom-gles.git synced 2024-11-11 07:12:16 +00:00
Code Issues Projects Releases Packages Wiki Activity

- made the alpha used by stacked sectors part of the visplane. This will be needed to fix the merging of stacks with the same displacement but different alpha values.

Browse source 
SVN r2990 (trunk)
This commit is contained in:
Christoph Oelckers 2010-11-07 15:30:41 +00:00
parent 7dd8a0fce9
commit 669ce73272
2 changed files with 9 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
src/r_plane.cpp
View file

@ -1034,26 +1034,19 @@ void R_DrawSinglePlane (visplane_t *pl, fixed_t alpha, bool masked)
CVAR (Bool, r_skyboxes, true, 0)
static int numskyboxes;
struct VisplaneAndAlpha
{
visplane_t *Visplane;
fixed_t Alpha;
};
void R_DrawSkyBoxes ()
{
static TArray<size_t> interestingStack;
static TArray<ptrdiff_t> drawsegStack;
static TArray<ptrdiff_t> visspriteStack;
static TArray<fixed_t> viewxStack, viewyStack, viewzStack;
static TArray<VisplaneAndAlpha> visplaneStack;
static TArray<visplane_t *> visplaneStack;
numskyboxes = 0;
if (visplanes[MAXVISPLANES] == NULL)
return;
VisplaneAndAlpha vaAdder = { 0 };
int savedextralight = extralight;
fixed_t savedx = viewx;
fixed_t savedy = viewy;
@ -1169,9 +1162,8 @@ void R_DrawSkyBoxes ()
viewxStack.Push (viewx);
viewyStack.Push (viewy);
viewzStack.Push (viewz);
vaAdder.Visplane = pl;
vaAdder.Alpha = sky->PlaneAlpha;
visplaneStack.Push (vaAdder);
pl->alpha = sky->PlaneAlpha;
visplaneStack.Push (pl);
R_RenderBSPNode (nodes + numnodes - 1);
R_DrawPlanes ();
@ -1200,13 +1192,13 @@ void R_DrawSkyBoxes ()
ds_p = firstdrawseg;
vissprite_p = firstvissprite;
visplaneStack.Pop (vaAdder);
if (vaAdder.Alpha > 0)
visplaneStack.Pop (pl);
if (pl->alpha > 0)
{
R_DrawSinglePlane (vaAdder.Visplane, vaAdder.Alpha, true);
R_DrawSinglePlane (pl, pl->alpha, true);
}
*freehead = vaAdder.Visplane;
freehead = &vaAdder.Visplane->next;
*freehead = pl;
freehead = &pl->next;
}
firstvissprite = vissprites;
vissprite_p = vissprites + savedvissprite_p;

1
src/r_plane.h
View file

@ -54,6 +54,7 @@ struct visplane_s
float visibility;
fixed_t viewx, viewy, viewz;
angle_t viewangle;
fixed_t alpha;
unsigned short *bottom; // [RH] bottom and top arrays are dynamically
unsigned short pad; // allocated immediately after the