- add actor flag +BILLBOARDNOFACECAMERA which forces sprite aimed at …

…camera heading instead of camera position when gl_billboard_faces_camera is true ``` class ZombieManNoFaceCamera : Zombieman replaces Zombieman { default { +BILLBOARDNOFACECAMERA; } } ```
ZDoom · Dec 9, 2023 · b4d5c7d · b4d5c7d
1 parent 97336cf
commit b4d5c7d
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Showing 4 changed files with 10 additions and 3 deletions.
diff --git a/src/playsim/actor.h b/src/playsim/actor.h
@@ -497,6 +497,7 @@ enum ActorRenderFlag2
 	RF2_INVISIBLEINMIRRORS		= 0x0001,	// [Nash] won't render in mirrors
 	RF2_ONLYVISIBLEINMIRRORS	= 0x0002,	// [Nash] only renders in mirrors
 	RF2_BILLBOARDFACECAMERA		= 0x0004,	// Sprite billboard face camera (override gl_billboard_faces_camera)
+	RF2_BILLBOARDNOFACECAMERA	= 0x0008,	// Sprite billboard face camera angle (override gl_billboard_faces_camera)
 };
 
 // This translucency value produces the closest match to Heretic's TINTTAB.

diff --git a/src/rendering/hwrenderer/scene/hw_drawlist.cpp b/src/rendering/hwrenderer/scene/hw_drawlist.cpp
@@ -523,7 +523,9 @@ void HWDrawList::SortSpriteIntoWall(HWDrawInfo *di, SortNode * head,SortNode * s
 		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 || (ss->actor && ss->actor->renderflags2 & RF2_BILLBOARDFACECAMERA);
+		const bool drawBillboardFacingCamera = (gl_billboard_faces_camera && (ss->actor && !(ss->actor->renderflags2 & RF2_BILLBOARDNOFACECAMERA)))
+			|| (ss->actor && ss->actor->renderflags2 & RF2_BILLBOARDFACECAMERA);
+
 		// [Nash] has +ROLLSPRITE
 		const bool rotated = (ss->actor != nullptr && ss->actor->renderflags & (RF_ROLLSPRITE | RF_WALLSPRITE | RF_FLATSPRITE));
 

diff --git a/src/rendering/hwrenderer/scene/hw_sprites.cpp b/src/rendering/hwrenderer/scene/hw_sprites.cpp
@@ -386,7 +386,9 @@ bool HWSprite::CalculateVertices(HWDrawInfo *di, FVector3 *v, DVector3 *vp)
 		//&& di->mViewActor != nullptr
 		&& (gl_billboard_mode == 1 || (actor && actor->renderflags & RF_FORCEXYBILLBOARD))));
 
-	const bool drawBillboardFacingCamera = gl_billboard_faces_camera || !!(actor && actor->renderflags2 & RF2_BILLBOARDFACECAMERA);
+	const bool drawBillboardFacingCamera = (gl_billboard_faces_camera && (actor && !(actor->renderflags2 & RF2_BILLBOARDNOFACECAMERA)))
+		|| !!(actor && actor->renderflags2 & RF2_BILLBOARDFACECAMERA);
+
 	// [Nash] has +ROLLSPRITE
 	const bool drawRollSpriteActor = (actor != nullptr && actor->renderflags & RF_ROLLSPRITE);
 
@@ -1136,7 +1138,8 @@ void HWSprite::Process(HWDrawInfo *di, AActor* thing, sector_t * sector, area_t
 		trans = 1.f;
 
 		if (!gl_sprite_blend || modelframe ||
-			(thing->renderflags & (RF_FLATSPRITE | RF_WALLSPRITE)) || gl_billboard_faces_camera ||
+			(thing->renderflags & (RF_FLATSPRITE | RF_WALLSPRITE)) ||
+			(gl_billboard_faces_camera && !(thing->renderflags2 & RF2_BILLBOARDNOFACECAMERA)) ||
 			thing->renderflags2 & RF2_BILLBOARDFACECAMERA)
 		{
 			RenderStyle.SrcAlpha = STYLEALPHA_One;

diff --git a/src/scripting/thingdef_data.cpp b/src/scripting/thingdef_data.cpp
@@ -379,6 +379,7 @@ static FFlagDef ActorFlagDefs[]=
 	DEFINE_FLAG(RF2, INVISIBLEINMIRRORS, AActor, renderflags2),
 	DEFINE_FLAG(RF2, ONLYVISIBLEINMIRRORS, AActor, renderflags2),
 	DEFINE_FLAG(RF2, BILLBOARDFACECAMERA, AActor, renderflags2),
+	DEFINE_FLAG(RF2, BILLBOARDNOFACECAMERA, AActor, renderflags2),
 
 	// Bounce flags
 	DEFINE_FLAG2(BOUNCE_Walls, BOUNCEONWALLS, AActor, BounceFlags),