OrdinaryMagician/vkdoom_m
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Added A_SpriteOffset. (#895)

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- Coordinates work akin to A_OverlayOffset: +X shifts to the right, +Y shifts down.
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MajorCooke 2020-08-27 11:43:09 -05:00 • committed by GitHub
commit 85759e3bd0
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8 changed files with 36 additions and 16 deletions
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5
src/rendering/swrenderer/things/r_sprite.cpp
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@ -81,8 +81,11 @@ namespace swrenderer
const double thingxscalemul = spriteScale.X / tex->GetScale().X;
// Calculate billboard line for the sprite
double SpriteOffX = (thing) ? thing->SpriteOffset.X : 0.;
DVector2 dir = { viewport->viewpoint.Sin, -viewport->viewpoint.Cos };
DVector2 pt1 = pos.XY() - viewport->viewpoint.Pos.XY() - dir * (((renderflags & RF_XFLIP) ? (tex->GetWidth() - tex->GetLeftOffsetSW() - 1) : tex->GetLeftOffsetSW()) * thingxscalemul);
DVector2 trs = pos.XY() - viewport->viewpoint.Pos.XY();
trs = { trs.X + SpriteOffX * dir.X, trs.Y + SpriteOffX * dir.Y };
DVector2 pt1 = trs - dir * (((renderflags & RF_XFLIP) ? (tex->GetWidth() - tex->GetLeftOffsetSW() - 1) : tex->GetLeftOffsetSW()) * thingxscalemul);
DVector2 pt2 = pt1 + dir * (tex->GetWidth() * thingxscalemul);
FWallCoords wallc;