diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index 386e997de..a40a2827d 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -5122,15 +5122,26 @@ static void HWR_ProjectSprite(mobj_t *thing) I_Error("sprframes NULL for sprite %d\n", thing->sprite); #endif - if (sprframe->rotate != SRF_SINGLE || papersprite) + if (papersprite) { - ang = R_PointToAngle (thing->x, thing->y) - thing->angle; - if (papersprite) + // Use the actual view angle, rather than the angle formed + // between the view point and the thing + // this makes sure paper sprites always appear at the right angle! + // Note: DO NOT do this in software mode version, it actually + // makes papersprites look WORSE there (I know, I've tried) + // Monster Iestyn - 13/05/17 + ang = dup_viewangle - thing->angle; + ang_scale = FIXED_TO_FLOAT(FINESINE(ang>>ANGLETOFINESHIFT)); + ang_scalez = FIXED_TO_FLOAT(FINECOSINE(ang>>ANGLETOFINESHIFT)); + + if (ang_scale < 0) { - ang_scale = FIXED_TO_FLOAT(FINESINE(ang>>ANGLETOFINESHIFT)); - ang_scalez = FIXED_TO_FLOAT(FINECOSINE(ang>>ANGLETOFINESHIFT)); + ang_scale = -ang_scale; + ang_scalez = -ang_scalez; } } + else if (sprframe->rotate != SRF_SINGLE) + ang = R_PointToAngle (thing->x, thing->y) - thing->angle; if (sprframe->rotate == SRF_SINGLE) { @@ -5163,16 +5174,8 @@ static void HWR_ProjectSprite(mobj_t *thing) else offset = FIXED_TO_FLOAT(spritecachedinfo[lumpoff].offset) * this_scale; - if (ang_scale < 0) - { - z1 = tz + offset * ang_scalez; - tx += offset * ang_scale; - } - else - { - z1 = tz - offset * ang_scalez; - tx -= offset * ang_scale; - } + z1 = tz - (offset * ang_scalez); + tx -= offset * ang_scale; // project x x1 = gr_windowcenterx + (tx * gr_centerx / tz); @@ -5184,16 +5187,10 @@ static void HWR_ProjectSprite(mobj_t *thing) x1 = tx; offset = FIXED_TO_FLOAT(spritecachedinfo[lumpoff].width) * this_scale; - if (ang_scale < 0) - { - z2 = z1 - offset * ang_scalez; - tx -= offset * ang_scale; - } - else - { - z2 = z1 + offset * ang_scalez; - tx += offset * ang_scale; - } + + z2 = z1 + (offset * ang_scalez); + tx += offset * ang_scale; + if (papersprite && max(z1, z2) < ZCLIP_PLANE) return;