Example #1
0
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::SortWallIntoPlane(SortNode * head, SortNode * sort)
{
	HWFlat * fh = flats[drawitems[head->itemindex].index];
	HWWall * ws = walls[drawitems[sort->itemindex].index];

	bool ceiling = fh->z > SortZ;

	if ((ws->ztop[0] > fh->z || ws->ztop[1] > fh->z) && (ws->zbottom[0] < fh->z || ws->zbottom[1] < fh->z))
	{
		// We have to split this wall!

		HWWall *w = NewWall();
		*w = *ws;

		// Splitting is done in the shader with clip planes, if available
		if (screen->hwcaps & RFL_NO_CLIP_PLANES)
		{
			ws->vertcount = 0;	// invalidate current vertices.
			float newtexv = ws->tcs[HWWall::UPLFT].v + ((ws->tcs[HWWall::LOLFT].v - ws->tcs[HWWall::UPLFT].v) / (ws->zbottom[0] - ws->ztop[0])) * (fh->z - ws->ztop[0]);

			// I make the very big assumption here that translucent walls in sloped sectors
			// and 3D-floors never coexist in the same level - If that were the case this
			// code would become extremely more complicated.
			if (!ceiling)
			{
				ws->ztop[1] = w->zbottom[1] = ws->ztop[0] = w->zbottom[0] = fh->z;
				ws->tcs[HWWall::UPRGT].v = w->tcs[HWWall::LORGT].v = ws->tcs[HWWall::UPLFT].v = w->tcs[HWWall::LOLFT].v = newtexv;
			}
			else
			{
				w->ztop[1] = ws->zbottom[1] = w->ztop[0] = ws->zbottom[0] = fh->z;
				w->tcs[HWWall::UPLFT].v = ws->tcs[HWWall::LOLFT].v = w->tcs[HWWall::UPRGT].v = ws->tcs[HWWall::LORGT].v = newtexv;
			}
		}

		SortNode * sort2 = SortNodes.GetNew();
		memset(sort2, 0, sizeof(SortNode));
		sort2->itemindex = drawitems.Size() - 1;

		head->AddToLeft(sort);
		head->AddToRight(sort2);
	}
	else if ((ws->zbottom[0] < fh->z && !ceiling) || (ws->ztop[0] > fh->z && ceiling))	// completely on the left side
	{
		head->AddToLeft(sort);
	}
	else
	{
		head->AddToRight(sort);
	}

}
Example #2
0
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::SortSpriteIntoPlane(SortNode * head,SortNode * sort)
{
	GLFlat * fh=&flats[drawitems[head->itemindex].index];
	GLSprite * ss=&sprites[drawitems[sort->itemindex].index];

	bool ceiling = fh->z > ViewPos.Z;

	if ((ss->z1>fh->z && ss->z2<fh->z) || ss->modelframe)
	{
		// We have to split this sprite
		GLSprite s=*ss;
		AddSprite(&s);	// add a copy to avoid reallocation issues.
	
		// Splitting is done in the shader with clip planes, if available
		if (gl.flags & RFL_NO_CLIP_PLANES)
		{
			GLSprite * ss1;
			ss1=&sprites[sprites.Size()-1];
			ss=&sprites[drawitems[sort->itemindex].index];	// may have been reallocated!
			float newtexv=ss->vt + ((ss->vb-ss->vt)/(ss->z2-ss->z1))*(fh->z-ss->z1);

			if (!ceiling)
			{
				ss->z1=ss1->z2=fh->z;
				ss->vt=ss1->vb=newtexv;
			}
			else
			{
				ss1->z1=ss->z2=fh->z;
				ss1->vt=ss->vb=newtexv;
			}
		}

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		head->AddToLeft(sort);
		head->AddToRight(sort2);
	}
	else if ((ss->z2<fh->z && !ceiling) || (ss->z1>fh->z && ceiling))	// completely on the left side
	{
		head->AddToLeft(sort);
	}
	else
	{
		head->AddToRight(sort);
	}

}
Example #3
0
//==========================================================================
//
//
//
//==========================================================================
void HWDrawList::SortSpriteIntoPlane(SortNode * head, SortNode * sort)
{
	HWFlat * fh = flats[drawitems[head->itemindex].index];
	HWSprite * ss = sprites[drawitems[sort->itemindex].index];

	bool ceiling = fh->z > SortZ;

	auto hiz = ss->z1 > ss->z2 ? ss->z1 : ss->z2;
	auto loz = ss->z1 < ss->z2 ? ss->z1 : ss->z2;

	if ((hiz > fh->z && loz < fh->z) || ss->modelframe)
	{
		// We have to split this sprite
		HWSprite *s = NewSprite();
		*s = *ss;

		// Splitting is done in the shader with clip planes, if available.
		// The fallback here only really works for non-y-billboarded sprites.
		if (screen->hwcaps & RFL_NO_CLIP_PLANES)
		{
			float newtexv = ss->vt + ((ss->vb - ss->vt) / (ss->z2 - ss->z1))*(fh->z - ss->z1);

			if (!ceiling)
			{
				ss->z1 = s->z2 = fh->z;
				ss->vt = s->vb = newtexv;
			}
			else
			{
				s->z1 = ss->z2 = fh->z;
				s->vt = ss->vb = newtexv;
			}
		}

		SortNode * sort2 = SortNodes.GetNew();
		memset(sort2, 0, sizeof(SortNode));
		sort2->itemindex = drawitems.Size() - 1;

		head->AddToLeft(sort);
		head->AddToRight(sort2);
	}
	else if ((ss->z2<fh->z && !ceiling) || (ss->z1>fh->z && ceiling))	// completely on the left side
	{
		head->AddToLeft(sort);
	}
	else
	{
		head->AddToRight(sort);
	}
}
Example #4
0
//==========================================================================
//
//
//
//==========================================================================
void GLDrawList::SortSpriteIntoPlane(SortNode * head,SortNode * sort)
{
	GLFlat * fh=&flats[drawitems[head->itemindex].index];
	GLSprite * ss=&sprites[drawitems[sort->itemindex].index];
	GLSprite * ss1;

	bool ceiling = fh->z > FIXED2FLOAT(viewz);

	if (ss->z1>fh->z && ss->z2<fh->z)
	{
		// We have to split this sprite!
		GLSprite s=*ss;
		AddSprite(&s);
		ss1=&sprites[sprites.Size()-1];
		ss=&sprites[drawitems[sort->itemindex].index];	// may have been reallocated!
		float newtexv=ss->vt + ((ss->vb-ss->vt)/(ss->z2-ss->z1))*(fh->z-ss->z1);

		if (!ceiling)
		{
			ss->z1=ss1->z2=fh->z;
			ss->vt=ss1->vb=newtexv;
		}
		else
		{
			ss1->z1=ss->z2=fh->z;
			ss1->vt=ss->vb=newtexv;
		}

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		head->AddToLeft(sort);
		head->AddToRight(sort2);
	}
	else if ((ss->z2<fh->z && !ceiling) || (ss->z1>fh->z && ceiling))	// completely on the left side
	{
		head->AddToLeft(sort);
	}
	else
	{
		head->AddToRight(sort);
	}

}
Example #5
0
//==========================================================================
//
// 
//
//==========================================================================
void GLDrawList::SortSpriteIntoWall(SortNode * head,SortNode * sort)
{
	GLWall * wh=&walls[drawitems[head->itemindex].index];
	GLSprite * ss=&sprites[drawitems[sort->itemindex].index];
	GLSprite * ss1;

	float v1 = wh->PointOnSide(ss->x1, ss->y1);
	float v2 = wh->PointOnSide(ss->x2, ss->y2);

	if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ) 
	{
		if (wh->type==RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToLeft(sort);
		}
		else 
		{
			head->AddToEqual(sort);
		}
	}
	else if (v1<MIN_EQ && v2<MIN_EQ) 
	{
		head->AddToLeft(sort);
	}
	else if (v1>-MIN_EQ && v2>-MIN_EQ) 
	{
		head->AddToRight(sort);
	}
	else
	{
		double r=ss->CalcIntersectionVertex(wh);

		float ix=(float)(ss->x1 + r * (ss->x2-ss->x1));
		float iy=(float)(ss->y1 + r * (ss->y2-ss->y1));
		float iu=(float)(ss->ul + r * (ss->ur-ss->ul));

		GLSprite s=*ss;
		AddSprite(&s);
		ss1=&sprites[sprites.Size()-1];
		ss=&sprites[drawitems[sort->itemindex].index];	// may have been reallocated!

		ss1->x1=ss->x2=ix;
		ss1->y1=ss->y2=iy;
		ss1->ul=ss->ur=iu;

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		if (v1>0)
		{
			head->AddToLeft(sort2);
			head->AddToRight(sort);
		}
		else
		{
			head->AddToLeft(sort);
			head->AddToRight(sort2);
		}
	}
}
Example #6
0
void GLDrawList::SortWallIntoWall(SortNode * head,SortNode * sort)
{
	GLWall * wh=&walls[drawitems[head->itemindex].index];
	GLWall * ws=&walls[drawitems[sort->itemindex].index];
	GLWall * ws1;
	float v1=wh->PointOnSide(ws->glseg.x1,ws->glseg.y1);
	float v2=wh->PointOnSide(ws->glseg.x2,ws->glseg.y2);

	if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ) 
	{
		if (ws->type==RENDERWALL_FOGBOUNDARY && wh->type!=RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToRight(sort);
		}
		else if (ws->type!=RENDERWALL_FOGBOUNDARY && wh->type==RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToLeft(sort);
		}
		else 
		{
			head->AddToEqual(sort);
		}
	}
	else if (v1<MIN_EQ && v2<MIN_EQ) 
	{
		head->AddToLeft(sort);
	}
	else if (v1>-MIN_EQ && v2>-MIN_EQ) 
	{
		head->AddToRight(sort);
	}
	else
	{
		double r=ws->CalcIntersectionVertex(wh);

		float ix=(float)(ws->glseg.x1+r*(ws->glseg.x2-ws->glseg.x1));
		float iy=(float)(ws->glseg.y1+r*(ws->glseg.y2-ws->glseg.y1));
		float iu=(float)(ws->uplft.u + r * (ws->uprgt.u - ws->uplft.u));
		float izt=(float)(ws->ztop[0]+r*(ws->ztop[1]-ws->ztop[0]));
		float izb=(float)(ws->zbottom[0]+r*(ws->zbottom[1]-ws->zbottom[0]));

		GLWall w=*ws;
		AddWall(&w);
		ws1=&walls[walls.Size()-1];
		ws=&walls[drawitems[sort->itemindex].index];	// may have been reallocated!

		ws1->glseg.x1=ws->glseg.x2=ix;
		ws1->glseg.y1=ws->glseg.y2=iy;
		ws1->ztop[0]=ws->ztop[1]=izt;
		ws1->zbottom[0]=ws->zbottom[1]=izb;
		ws1->lolft.u = ws1->uplft.u = ws->lorgt.u = ws->uprgt.u = iu;

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		if (v1>0)
		{
			head->AddToLeft(sort2);
			head->AddToRight(sort);
		}
		else
		{
			head->AddToLeft(sort);
			head->AddToRight(sort2);
		}
	}
}
Example #7
0
void GLDrawList::SortSpriteIntoWall(SortNode * head,SortNode * sort)
{
	GLWall * wh=&walls[drawitems[head->itemindex].index];
	GLSprite * ss=&sprites[drawitems[sort->itemindex].index];
	GLSprite * ss1;

	float v1 = wh->PointOnSide(ss->x1, ss->y1);
	float v2 = wh->PointOnSide(ss->x2, ss->y2);

	if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ) 
	{
		if (wh->type==RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToLeft(sort);
		}
		else 
		{
			head->AddToEqual(sort);
		}
	}
	else if (v1<MIN_EQ && v2<MIN_EQ) 
	{
		head->AddToLeft(sort);
	}
	else if (v1>-MIN_EQ && v2>-MIN_EQ) 
	{
		head->AddToRight(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));
		float iy=(float)(ss->y1 + r * (ss->y2-ss->y1));
		float iu=(float)(ss->ul + r * (ss->ur-ss->ul));

		GLSprite s=*ss;
		AddSprite(&s);
		ss1=&sprites[sprites.Size()-1];
		ss=&sprites[drawitems[sort->itemindex].index];	// may have been reallocated!

		ss1->x1=ss->x2=ix;
		ss1->y1=ss->y2=iy;
		ss1->ul=ss->ur=iu;

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		if (v1>0)
		{
			head->AddToLeft(sort2);
			head->AddToRight(sort);
		}
		else
		{
			head->AddToLeft(sort);
			head->AddToRight(sort2);
		}
	}
}
Example #8
0
void GLDrawList::SortWallIntoWall(SortNode * head,SortNode * sort)
{
	GLWall * wh=&walls[drawitems[head->itemindex].index];
	GLWall * ws=&walls[drawitems[sort->itemindex].index];
	GLWall * ws1;
	float v1=wh->PointOnSide(ws->glseg.x1,ws->glseg.y1);
	float v2=wh->PointOnSide(ws->glseg.x2,ws->glseg.y2);

	if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ) 
	{
		if (ws->type==RENDERWALL_FOGBOUNDARY && wh->type!=RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToRight(sort);
		}
		else if (ws->type!=RENDERWALL_FOGBOUNDARY && wh->type==RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToLeft(sort);
		}
		else 
		{
			head->AddToEqual(sort);
		}
	}
	else if (v1<MIN_EQ && v2<MIN_EQ) 
	{
		head->AddToLeft(sort);
	}
	else if (v1>-MIN_EQ && v2>-MIN_EQ) 
	{
		head->AddToRight(sort);
	}
	else
	{
		double r=ws->CalcIntersectionVertex(wh);

		float ix=(float)(ws->glseg.x1+r*(ws->glseg.x2-ws->glseg.x1));
		float iy=(float)(ws->glseg.y1+r*(ws->glseg.y2-ws->glseg.y1));
		float iu=(float)(ws->tcs[GLWall::UPLFT].u + r * (ws->tcs[GLWall::UPRGT].u - ws->tcs[GLWall::UPLFT].u));
		float izt=(float)(ws->ztop[0]+r*(ws->ztop[1]-ws->ztop[0]));
		float izb=(float)(ws->zbottom[0]+r*(ws->zbottom[1]-ws->zbottom[0]));

		ws->vertcount = 0;	// invalidate current vertices.
		GLWall w=*ws;
		AddWall(&w);
		ws1=&walls[walls.Size()-1];
		ws=&walls[drawitems[sort->itemindex].index];	// may have been reallocated!

		ws1->glseg.x1=ws->glseg.x2=ix;
		ws1->glseg.y1=ws->glseg.y2=iy;
		ws1->glseg.fracleft = ws->glseg.fracright = ws->glseg.fracleft + r*(ws->glseg.fracright - ws->glseg.fracleft);
		ws1->ztop[0]=ws->ztop[1]=izt;
		ws1->zbottom[0]=ws->zbottom[1]=izb;
		ws1->tcs[GLWall::LOLFT].u = ws1->tcs[GLWall::UPLFT].u = ws->tcs[GLWall::LORGT].u = ws->tcs[GLWall::UPRGT].u = iu;
		if (gl.buffermethod == BM_DEFERRED)
		{
			ws->MakeVertices(false);
			ws1->MakeVertices(false);
		}

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		if (v1>0)
		{
			head->AddToLeft(sort2);
			head->AddToRight(sort);
		}
		else
		{
			head->AddToLeft(sort);
			head->AddToRight(sort2);
		}
	}
}
Example #9
0
void HWDrawList::SortWallIntoWall(HWDrawInfo *di, SortNode * head,SortNode * sort)
{
	HWWall * wh= walls[drawitems[head->itemindex].index];
	HWWall * ws= walls[drawitems[sort->itemindex].index];
	float v1=wh->PointOnSide(ws->glseg.x1,ws->glseg.y1);
	float v2=wh->PointOnSide(ws->glseg.x2,ws->glseg.y2);

	if (fabs(v1)<MIN_EQ && fabs(v2)<MIN_EQ) 
	{
		if (ws->type==RENDERWALL_FOGBOUNDARY && wh->type!=RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToRight(sort);
		}
		else if (ws->type!=RENDERWALL_FOGBOUNDARY && wh->type==RENDERWALL_FOGBOUNDARY) 
		{
			head->AddToLeft(sort);
		}
		else 
		{
			head->AddToEqual(sort);
		}
	}
	else if (v1<MIN_EQ && v2<MIN_EQ) 
	{
		head->AddToLeft(sort);
	}
	else if (v1>-MIN_EQ && v2>-MIN_EQ) 
	{
		head->AddToRight(sort);
	}
	else
	{
		double r = CalcIntersectionVertex(ws, wh);

		float ix=(float)(ws->glseg.x1+r*(ws->glseg.x2-ws->glseg.x1));
		float iy=(float)(ws->glseg.y1+r*(ws->glseg.y2-ws->glseg.y1));
		float iu=(float)(ws->tcs[HWWall::UPLFT].u + r * (ws->tcs[HWWall::UPRGT].u - ws->tcs[HWWall::UPLFT].u));
		float izt=(float)(ws->ztop[0]+r*(ws->ztop[1]-ws->ztop[0]));
		float izb=(float)(ws->zbottom[0]+r*(ws->zbottom[1]-ws->zbottom[0]));

		ws->vertcount = 0;	// invalidate current vertices.
		HWWall *w= NewWall();
		*w = *ws;

		w->glseg.x1=ws->glseg.x2=ix;
		w->glseg.y1=ws->glseg.y2=iy;
		w->glseg.fracleft = ws->glseg.fracright = ws->glseg.fracleft + r*(ws->glseg.fracright - ws->glseg.fracleft);
		w->ztop[0]=ws->ztop[1]=izt;
		w->zbottom[0]=ws->zbottom[1]=izb;
		w->tcs[HWWall::LOLFT].u = w->tcs[HWWall::UPLFT].u = ws->tcs[HWWall::LORGT].u = ws->tcs[HWWall::UPRGT].u = iu;
		ws->MakeVertices(di, false);
		w->MakeVertices(di, false);

		SortNode * sort2=SortNodes.GetNew();
		memset(sort2,0,sizeof(SortNode));
		sort2->itemindex=drawitems.Size()-1;

		if (v1>0)
		{
			head->AddToLeft(sort2);
			head->AddToRight(sort);
		}
		else
		{
			head->AddToLeft(sort);
			head->AddToRight(sort2);
		}
	}
}