- removed all the decal stubs.

Build has wall sprite for decals so this is redundant and ultimately not usable.

source/core/rendering/scene/hw_drawinfo.cpp

@@ -188,8 +188,6 @@ HWDrawInfo *HWDrawInfo::EndDrawInfo()
 void HWDrawInfo::ClearBuffers()
 {
 	spriteindex = 0;
-	Decals[0].Clear();
-	Decals[1].Clear();
 	mClipPortal = nullptr;
 	mCurrentPortal = nullptr;
 }
@@ -272,17 +270,6 @@ HWPortal * HWDrawInfo::FindPortal(const void * src)
 //
 //-----------------------------------------------------------------------------
 
-HWDecal* HWDrawInfo::AddDecal(bool onmirror)
-{
-#if 0
-	auto decal = (HWDecal*)RenderDataAllocator.Alloc(sizeof(HWDecal));
-	Decals[onmirror ? 1 : 0].Push(decal);
-	return decal;
-#else
-	return nullptr;
-#endif
-}
-
 void HWDrawInfo::DispatchSprites()
 {
 	for (int i = 0; i < spritesortcnt; i++)
@@ -482,12 +469,7 @@ void HWDrawInfo::RenderScene(FRenderState &state)
 
 	state.SetRenderStyle(STYLE_Translucent);
 
-	// Part 4: Draw decals (not a real pass)
 	state.SetDepthFunc(DF_LEqual);
-#if 0
-	DrawDecals(state, Decals[0]);
-#endif
-
 	RenderAll.Unclock();
 }
 

source/core/rendering/scene/hw_drawinfo.h

@@ -23,7 +23,6 @@ struct FFlatVertex;
 class HWWall;
 class HWFlat;
 class HWSprite;
-struct HWDecal;
 class IShadowMap;
 struct FDynLightData;
 class Clipper;
@@ -107,7 +106,6 @@ struct HWDrawInfo
 	FRenderViewpoint Viewpoint;
 	HWViewpointUniforms VPUniforms;	// per-viewpoint uniform state
 	TArray<HWPortal *> Portals;
-	TArray<HWDecal *> Decals[2];	// the second slot is for mirrors which get rendered in a separate pass.
 
 	// This is needed by the BSP traverser.
 	bool multithread;
@@ -171,7 +169,6 @@ public:
 	void SetupView(FRenderState &state, float vx, float vy, float vz, bool mirror, bool planemirror);
 	angle_t FrustumAngle();
 
-	void DrawDecals(FRenderState &state, TArray<HWDecal *> &decals);
 	void DrawPlayerSprites(bool hudModelStep, FRenderState &state);
 
     //void AddSubsectorToPortal(FSectorPortalGroup *portal, sectortype *sub);
@@ -182,8 +179,6 @@ public:
 	void AddSprite(HWSprite *sprite, bool translucent);
 
 
-    HWDecal *AddDecal(bool onmirror);
-
 	bool isSoftwareLighting() const
 	{
 		return true;// lightmode == ELightMode::ZDoomSoftware || lightmode == ELightMode::DoomSoftware || lightmode == ELightMode::Build;

source/core/rendering/scene/hw_drawlistadd.cpp

@@ -80,16 +80,7 @@ void HWDrawInfo::AddMirrorSurface(HWWall *w)
 	tcs[HWWall::LOLFT].u = tcs[HWWall::LORGT].u = tcs[HWWall::UPLFT].u = tcs[HWWall::UPRGT].u = v.X;
 	tcs[HWWall::LOLFT].v = tcs[HWWall::LORGT].v = tcs[HWWall::UPLFT].v = tcs[HWWall::UPRGT].v = v.Z;
 	newwall->MakeVertices(this, false);
-
-#if 0
-	bool hasDecals = newwall->seg->sidedef && newwall->seg->sidedef->AttachedDecals;
-	if (hasDecals && Level->HasDynamicLights && !isFullbrightScene())
-	{
-		newwall->SetupLights(this, lightdata);
-	}
-	newwall->ProcessDecals(this);
-#endif
-	newwall->dynlightindex = -1; // the environment map should not be affected by lights - only the decals.
+	newwall->dynlightindex = -1; // the environment map should not be affected by lights.
 }
 
 //==========================================================================

source/core/rendering/scene/hw_drawstructs.h

@@ -25,7 +25,6 @@ struct FDynLightData;
 class VSMatrix;
 struct FSpriteModelFrame;
 class FRenderState;
-struct HWDecal;
 
 struct HWSectorPlane
 {
@@ -215,9 +214,6 @@ public:
 					  float fch1, float fch2, float ffh1, float ffh2,
 					  float bch1, float bch2, float bfh1, float bfh2);
 
-    //void ProcessDecal(HWDrawInfo *di, DBaseDecal *decal, const FVector3 &normal);
-    //void ProcessDecals(HWDrawInfo *di);
-
 	int CreateVertices(FFlatVertex *&ptr, bool nosplit);
 
 	//int CountVertices();
@@ -339,44 +335,11 @@ public:
 
 
 
-
-struct DecalVertex
-{
-	float x, y, z;
-	float u, v;
-};
-
-/*
-struct HWDecal
-{
-	FGameTexture *texture;
-	TArray<lightlist_t> *lightlist;
-	DBaseDecal *decal;
-	DecalVertex dv[4];
-	float zcenter;
-	unsigned int vertindex;
-
-	FRenderStyle renderstyle;
-	int lightlevel;
-	int rellight;
-	float alpha;
-	FColormap Colormap;
-	int dynlightindex;
-	sectortype *frontsector;
-	FVector3 Normal;
-
-	void DrawDecal(HWDrawInfo *di, FRenderState &state);
-
-};
-*/
-
-
 inline float Dist2(float x1,float y1,float x2,float y2)
 {
 	return sqrtf((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
 }
 
-bool hw_SetPlaneTextureRotation(const HWSectorPlane * secplane, FGameTexture * gltexture, VSMatrix &mat);
 void hw_GetDynModelLight(AActor *self, FDynLightData &modellightdata);
 
 extern const float LARGE_VALUE;

source/core/rendering/scene/hw_walls.cpp

@@ -406,22 +406,6 @@ void HWWall::PutWall(HWDrawInfo *di, bool translucent)
 		MakeVertices(di, translucent);
 	}
 
-	/*
-	bool hasDecals = type != RENDERWALL_M2S && seg->sidedef->AttachedDecals;
-	if (hasDecals)
-	{
-		// If we want to use the light infos for the decal we cannot delay the creation until the render pass.
-		if (screen->BuffersArePersistent())
-		{
-			if (di->Level->HasDynamicLights && !di->isFullbrightScene() && texture != nullptr)
-			{
-				SetupLights(di, lightdata);
-			}
-		}
-		ProcessDecals(di);
-	}
-	*/
-
 	di->AddWall(this);
 	// make sure that following parts of the same linedef do not get this one's vertex and lighting info.
 	vertcount = 0;