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- added a workaround to avoid sprite splitting when it may cause glitches for sprites that get rotated in the draw pass.

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This commit is contained in:
Christoph Oelckers 2016-09-18 17:45:02 +02:00
parent 6b4aee28bc
commit ceaa040750
2 changed files with 26 additions and 3 deletions
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25
src/gl/scene/gl_drawinfo.cpp
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@ -497,6 +497,10 @@ void GLDrawList::SortWallIntoWall(SortNode * head,SortNode * sort)
//
//
//==========================================================================
EXTERN_CVAR(Int, gl_billboard_mode)
EXTERN_CVAR(Bool, gl_billboard_faces_camera)
EXTERN_CVAR(Bool, gl_billboard_particles)
void GLDrawList::SortSpriteIntoWall(SortNode * head,SortNode * sort)
{
GLWall * wh=&walls[drawitems[head->itemindex].index];
@ -527,6 +531,27 @@ void GLDrawList::SortSpriteIntoWall(SortNode * head,SortNode * sort)
}
else
{
const bool drawWithXYBillboard = ((ss->particle && gl_billboard_particles) || (!(ss->actor && ss->actor->renderflags & RF_FORCEYBILLBOARD)
&& (gl_billboard_mode == 1 || (ss->actor && ss->actor->renderflags & RF_FORCEXYBILLBOARD))));
const bool drawBillboardFacingCamera = gl_billboard_faces_camera;
// [Nash] has +ROLLSPRITE
const bool rotated = (ss->actor != nullptr && ss->actor->renderflags & RF_ROLLSPRITE | RF_WALLSPRITE | RF_FLATSPRITE);
// cannot sort them at the moment. This requires more complex splitting.
if (drawWithXYBillboard || drawBillboardFacingCamera || rotated)
{
float v1 = wh->PointOnSide(ss->x, ss->y);
if (v1 < 0)
{
head->AddToLeft(sort);
}
else
{
head->AddToRight(sort);
}
return;
}
double r=ss->CalcIntersectionVertex(wh);
float ix=(float)(ss->x1 + r * (ss->x2-ss->x1));

4
src/gl/scene/gl_sprite.cpp
View file

@ -923,7 +923,7 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
// This is a non-translucent sprite (i.e. STYLE_Normal or equivalent)
trans=1.f;
if (!gl_sprite_blend || modelframe || (thing->renderflags & RF_SPRITETYPEMASK) == RF_WALLSPRITE)
if (!gl_sprite_blend || modelframe || (thing->renderflags & (RF_FLATSPRITE|RF_WALLSPRITE)) || gl_billboard_faces_camera)
{
RenderStyle.SrcAlpha = STYLEALPHA_One;
RenderStyle.DestAlpha = STYLEALPHA_Zero;
@ -934,8 +934,6 @@ void GLSprite::Process(AActor* thing, sector_t * sector, int thruportal)
RenderStyle.SrcAlpha = STYLEALPHA_Src;
RenderStyle.DestAlpha = STYLEALPHA_InvSrc;
}
}
if ((gltexture && gltexture->GetTransparent()) || (RenderStyle.Flags & STYLEF_RedIsAlpha))
{