Exemple #1
0
//==========================================================================
//
//
//
//==========================================================================
void GLFlat::Draw(int pass, bool trans)	// trans only has meaning for GLPASS_LIGHTSONLY
{
	int rel = getExtraLight();

#ifdef _DEBUG
	if (sector->sectornum == gl_breaksec)
	{
		int a = 0;
	}
#endif


	switch (pass)
	{
	case GLPASS_PLAIN:			// Single-pass rendering
	case GLPASS_ALL:
		gl_SetColor(lightlevel, rel, Colormap,1.0f);
		gl_SetFog(lightlevel, rel, &Colormap, false);
		gl_RenderState.SetMaterial(gltexture, CLAMP_NONE, 0, -1, false);
		gl_SetPlaneTextureRotation(&plane, gltexture);
		DrawSubsectors(pass, (pass == GLPASS_ALL || dynlightindex > -1), false);
		gl_RenderState.EnableTextureMatrix(false);
		break;

	case GLPASS_LIGHTSONLY:
		if (!trans || gltexture)
		{
			ProcessLights(trans);
		}
		break;

	case GLPASS_TRANSLUCENT:
		if (renderstyle==STYLE_Add) gl_RenderState.BlendFunc(GL_SRC_ALPHA, GL_ONE);
		gl_SetColor(lightlevel, rel, Colormap, alpha);
		gl_SetFog(lightlevel, rel, &Colormap, false);
		gl_RenderState.AlphaFunc(GL_GEQUAL, gl_mask_threshold);
		if (!gltexture)	
		{
			gl_RenderState.EnableTexture(false);
			DrawSubsectors(pass, false, true);
			gl_RenderState.EnableTexture(true);
		}
		else 
		{
			gl_RenderState.SetMaterial(gltexture, CLAMP_NONE, 0, -1, false);
			gl_SetPlaneTextureRotation(&plane, gltexture);
			DrawSubsectors(pass, true, true);
			gl_RenderState.EnableTextureMatrix(false);
		}
		if (renderstyle==STYLE_Add) gl_RenderState.BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		break;
	}
}
Exemple #2
0
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
//
// Horizon Portal
//
// This simply draws the area in medium sized squares. Drawing it as a whole
// polygon creates visible inaccuracies.
//
// Originally I tried to minimize the amount of data to be drawn but there
// are 2 problems with it:
//
// 1. Setting this up completely negates any performance gains.
// 2. It doesn't work with a 360° field of view (as when you are looking up.)
//
//
// So the brute force mechanism is just as good.
//
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
// GLHorizonPortal::DrawContents
//
//-----------------------------------------------------------------------------
void GLHorizonPortal::DrawContents()
{
	PortalAll.Clock();

	GLSectorPlane * sp=&origin->plane;
	FMaterial * gltexture;
	PalEntry color;
	float z;
	player_t * player=&players[consoleplayer];

	gltexture=FMaterial::ValidateTexture(sp->texture, true);
	if (!gltexture) 
	{
		ClearScreen();
		PortalAll.Unclock();
		return;
	}


	z=FIXED2FLOAT(sp->texheight);


	if (gltexture && gltexture->tex->isFullbright())
	{
		// glowing textures are always drawn full bright without color
		gl_SetColor(255, 0, NULL, 1.f);
		gl_SetFog(255, 0, &origin->colormap, false);
	}
	else 
	{
		int rel = getExtraLight();
		gl_SetColor(origin->lightlevel, rel, &origin->colormap, 1.0f);
		gl_SetFog(origin->lightlevel, rel, &origin->colormap, false);
	}


	gltexture->Bind(origin->colormap.colormap);

	gl_RenderState.EnableAlphaTest(false);
	gl_RenderState.BlendFunc(GL_ONE,GL_ZERO);
	gl_RenderState.Apply();


	bool pushed = gl_SetPlaneTextureRotation(sp, gltexture);

	float vx=FIXED2FLOAT(viewx);
	float vy=FIXED2FLOAT(viewy);

	// Draw to some far away boundary
	for(float x=-32768+vx; x<32768+vx; x+=4096)
	{
		for(float y=-32768+vy; y<32768+vy;y+=4096)
		{
			glBegin(GL_TRIANGLE_FAN);

			glTexCoord2f(x/64, -y/64);
			glVertex3f(x, z, y);

			glTexCoord2f(x/64 + 64, -y/64);
			glVertex3f(x + 4096, z, y);

			glTexCoord2f(x/64 + 64, -y/64 - 64);
			glVertex3f(x + 4096, z, y + 4096);

			glTexCoord2f(x/64, -y/64 - 64);
			glVertex3f(x, z, y + 4096);

			glEnd();

		}
	}

	float vz=FIXED2FLOAT(viewz);
	float tz=(z-vz);///64.0f;

	// fill the gap between the polygon and the true horizon
	// Since I can't draw into infinity there can always be a
	// small gap

	glBegin(GL_TRIANGLE_STRIP);

	glTexCoord2f(512.f, 0);
	glVertex3f(-32768+vx, z, -32768+vy);
	glTexCoord2f(512.f, tz);
	glVertex3f(-32768+vx, vz, -32768+vy);

	glTexCoord2f(-512.f, 0);
	glVertex3f(-32768+vx, z,  32768+vy);
	glTexCoord2f(-512.f, tz);
	glVertex3f(-32768+vx, vz,  32768+vy);

	glTexCoord2f(512.f, 0);
	glVertex3f( 32768+vx, z,  32768+vy);
	glTexCoord2f(512.f, tz);
	glVertex3f( 32768+vx, vz,  32768+vy);

	glTexCoord2f(-512.f, 0);
	glVertex3f( 32768+vx, z, -32768+vy);
	glTexCoord2f(-512.f, tz);
	glVertex3f( 32768+vx, vz, -32768+vy);

	glTexCoord2f(512.f, 0);
	glVertex3f(-32768+vx, z, -32768+vy);
	glTexCoord2f(512.f, tz);
	glVertex3f(-32768+vx, vz, -32768+vy);

	glEnd();

	if (pushed)
	{
		glPopMatrix();
		glMatrixMode(GL_MODELVIEW);
	}

	PortalAll.Unclock();

}
Exemple #3
0
//==========================================================================
//
// Draw the plane segment into the gap
//
//==========================================================================
void FDrawInfo::DrawFloodedPlane(wallseg * ws, float planez, sector_t * sec, bool ceiling)
{
	GLSectorPlane plane;
	int lightlevel;
	FColormap Colormap;
	FMaterial * gltexture;

	plane.GetFromSector(sec, ceiling);

	gltexture=FMaterial::ValidateTexture(plane.texture, true);
	if (!gltexture) return;

	if (gl_fixedcolormap) 
	{
		Colormap.Clear();
		lightlevel=255;
	}
	else
	{
		Colormap=sec->ColorMap;
		if (gltexture->tex->isFullbright())
		{
			Colormap.LightColor.r = Colormap.LightColor.g = Colormap.LightColor.b = 0xff;
			lightlevel=255;
		}
		else lightlevel=abs(ceiling? sec->GetCeilingLight() : sec->GetFloorLight());
	}

	int rel = getExtraLight();
	gl_SetColor(lightlevel, rel, Colormap, 1.0f);
	gl_SetFog(lightlevel, rel, &Colormap, false);
	gltexture->Bind();

	float fviewx = FIXED2FLOAT(viewx);
	float fviewy = FIXED2FLOAT(viewy);
	float fviewz = FIXED2FLOAT(viewz);

	gl_SetPlaneTextureRotation(&plane, gltexture);
	gl_RenderState.Apply();

	float prj_fac1 = (planez-fviewz)/(ws->z1-fviewz);
	float prj_fac2 = (planez-fviewz)/(ws->z2-fviewz);

	float px1 = fviewx + prj_fac1 * (ws->x1-fviewx);
	float py1 = fviewy + prj_fac1 * (ws->y1-fviewy);

	float px2 = fviewx + prj_fac2 * (ws->x1-fviewx);
	float py2 = fviewy + prj_fac2 * (ws->y1-fviewy);

	float px3 = fviewx + prj_fac2 * (ws->x2-fviewx);
	float py3 = fviewy + prj_fac2 * (ws->y2-fviewy);

	float px4 = fviewx + prj_fac1 * (ws->x2-fviewx);
	float py4 = fviewy + prj_fac1 * (ws->y2-fviewy);

	FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
	ptr->Set(px1, planez, py1, px1 / 64, -py1 / 64);
	ptr++;
	ptr->Set(px2, planez, py2, px2 / 64, -py2 / 64);
	ptr++;
	ptr->Set(px3, planez, py3, px3 / 64, -py3 / 64);
	ptr++;
	ptr->Set(px4, planez, py4, px4 / 64, -py4 / 64);
	ptr++;
	GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_FAN);

	gl_RenderState.EnableTextureMatrix(false);
}
Exemple #4
0
//==========================================================================
//
// Draw the plane segment into the gap
//
//==========================================================================
void FDrawInfo::DrawFloodedPlane(wallseg * ws, float planez, sector_t * sec, bool ceiling)
{
	GLSectorPlane plane;
	int lightlevel;
	FColormap Colormap;
	FMaterial * gltexture;

	plane.GetFromSector(sec, ceiling);

	gltexture=FMaterial::ValidateTexture(plane.texture, true);
	if (!gltexture) return;

	if (gl_fixedcolormap) 
	{
		Colormap.GetFixedColormap();
		lightlevel=255;
	}
	else
	{
		Colormap=sec->ColorMap;
		if (gltexture->tex->isFullbright())
		{
			Colormap.LightColor.r = Colormap.LightColor.g = Colormap.LightColor.b = 0xff;
			lightlevel=255;
		}
		else lightlevel=abs(ceiling? sec->GetCeilingLight() : sec->GetFloorLight());
	}

	int rel = getExtraLight();
	gl_SetColor(lightlevel, rel, &Colormap, 1.0f);
	gl_SetFog(lightlevel, rel, &Colormap, false);
	gltexture->Bind(Colormap.colormap);

	float fviewx = FIXED2FLOAT(viewx);
	float fviewy = FIXED2FLOAT(viewy);
	float fviewz = FIXED2FLOAT(viewz);

	gl_RenderState.Apply();

	bool pushed = gl_SetPlaneTextureRotation(&plane, gltexture);

	glBegin(GL_TRIANGLE_FAN);
	float prj_fac1 = (planez-fviewz)/(ws->z1-fviewz);
	float prj_fac2 = (planez-fviewz)/(ws->z2-fviewz);

	float px1 = fviewx + prj_fac1 * (ws->x1-fviewx);
	float py1 = fviewy + prj_fac1 * (ws->y1-fviewy);

	float px2 = fviewx + prj_fac2 * (ws->x1-fviewx);
	float py2 = fviewy + prj_fac2 * (ws->y1-fviewy);

	float px3 = fviewx + prj_fac2 * (ws->x2-fviewx);
	float py3 = fviewy + prj_fac2 * (ws->y2-fviewy);

	float px4 = fviewx + prj_fac1 * (ws->x2-fviewx);
	float py4 = fviewy + prj_fac1 * (ws->y2-fviewy);

	glTexCoord2f(px1 / 64, -py1 / 64);
	glVertex3f(px1, planez, py1);

	glTexCoord2f(px2 / 64, -py2 / 64);
	glVertex3f(px2, planez, py2);

	glTexCoord2f(px3 / 64, -py3 / 64);
	glVertex3f(px3, planez, py3);

	glTexCoord2f(px4 / 64, -py4 / 64);
	glVertex3f(px4, planez, py4);

	glEnd();

	if (pushed)
	{
		glPopMatrix();
		glMatrixMode(GL_MODELVIEW);
	}
}
//==========================================================================
//
// Draw the plane segment into the gap
//
//==========================================================================
void FDrawInfo::DrawFloodedPlane(wallseg * ws, float planez, sector_t * sec, bool ceiling)
{
	GLSectorPlane plane;
	int lightlevel;
	FColormap Colormap;
	FMaterial * gltexture;

	plane.GetFromSector(sec, ceiling);

	gltexture=FMaterial::ValidateTexture(plane.texture, false, true);
	if (!gltexture) return;

	if (gl_fixedcolormap) 
	{
		Colormap.Clear();
		lightlevel=255;
	}
	else
	{
		Colormap=sec->ColorMap;
		if (gltexture->tex->isFullbright())
		{
			Colormap.LightColor.r = Colormap.LightColor.g = Colormap.LightColor.b = 0xff;
			lightlevel=255;
		}
		else lightlevel=abs(ceiling? sec->GetCeilingLight() : sec->GetFloorLight());
	}

	int rel = getExtraLight();
	gl_SetColor(lightlevel, rel, Colormap, 1.0f);
	gl_SetFog(lightlevel, rel, &Colormap, false);
	gl_RenderState.SetMaterial(gltexture, CLAMP_NONE, 0, -1, false);

	float fviewx = ViewPos.X;
	float fviewy = ViewPos.Y;
	float fviewz = ViewPos.Z;

	gl_SetPlaneTextureRotation(&plane, gltexture);
	gl_RenderState.Apply();

	float prj_fac1 = (planez-fviewz)/(ws->z1-fviewz);
	float prj_fac2 = (planez-fviewz)/(ws->z2-fviewz);

	float px1 = fviewx + prj_fac1 * (ws->x1-fviewx);
	float py1 = fviewy + prj_fac1 * (ws->y1-fviewy);

	float px2 = fviewx + prj_fac2 * (ws->x1-fviewx);
	float py2 = fviewy + prj_fac2 * (ws->y1-fviewy);

	float px3 = fviewx + prj_fac2 * (ws->x2-fviewx);
	float py3 = fviewy + prj_fac2 * (ws->y2-fviewy);

	float px4 = fviewx + prj_fac1 * (ws->x2-fviewx);
	float py4 = fviewy + prj_fac1 * (ws->y2-fviewy);

	FQuadDrawer qd;
	qd.Set(0, px1, planez, py1, px1 / 64, -py1 / 64);
	qd.Set(1, px2, planez, py2, px2 / 64, -py2 / 64);
	qd.Set(2, px3, planez, py3, px3 / 64, -py3 / 64);
	qd.Set(3, px4, planez, py4, px4 / 64, -py4 / 64);
	qd.Render(GL_TRIANGLE_FAN);

	gl_RenderState.EnableTextureMatrix(false);
}
Exemple #6
0
//==========================================================================
//
// Draw the plane segment into the gap
//
//==========================================================================
void GLDrawInfo::DrawFloodedPlane(wallseg * ws, float planez, sector_t * sec, bool ceiling)
{
	GLSectorPlane plane;
	int lightlevel;
	FColormap Colormap;
	FGLTexture * gltexture;

	plane.GetFromSector(sec, ceiling);

	gltexture=FGLTexture::ValidateTexture(plane.texture);
	if (!gltexture) return;

	if (gl_fixedcolormap) 
	{
		Colormap.GetFixedColormap();
		lightlevel=255;
	}
	else
	{
		Colormap=sec->ColorMap;
		if (gltexture->tex->isFullbright())
		{
			Colormap.LightColor.r = Colormap.LightColor.g = Colormap.LightColor.b = 0xff;
			lightlevel=255;
		}
		else lightlevel=abs(ceiling? GetCeilingLight(sec) : GetFloorLight(sec));
	}

	int rel = extralight * gl_weaponlight;
	gl_SetColor(lightlevel, rel, &Colormap, 1.0f);
	gl_SetFog(lightlevel, rel, &Colormap, false);
	gltexture->Bind(Colormap.LightColor.a);
	gl_SetPlaneTextureRotation(&plane, gltexture);

	float fviewx = TO_GL(viewx);
	float fviewy = TO_GL(viewy);
	float fviewz = TO_GL(viewz);

	gl_ApplyShader();
	gl.Begin(GL_TRIANGLE_FAN);
	float prj_fac1 = (planez-fviewz)/(ws->z1-fviewz);
	float prj_fac2 = (planez-fviewz)/(ws->z2-fviewz);

	float px1 = fviewx + prj_fac1 * (ws->x1-fviewx);
	float py1 = fviewy + prj_fac1 * (ws->y1-fviewy);

	float px2 = fviewx + prj_fac2 * (ws->x1-fviewx);
	float py2 = fviewy + prj_fac2 * (ws->y1-fviewy);

	float px3 = fviewx + prj_fac2 * (ws->x2-fviewx);
	float py3 = fviewy + prj_fac2 * (ws->y2-fviewy);

	float px4 = fviewx + prj_fac1 * (ws->x2-fviewx);
	float py4 = fviewy + prj_fac1 * (ws->y2-fviewy);

	gl.TexCoord2f(px1 / 64, -py1 / 64);
	gl.Vertex3f(px1, planez, py1);

	gl.TexCoord2f(px2 / 64, -py2 / 64);
	gl.Vertex3f(px2, planez, py2);

	gl.TexCoord2f(px3 / 64, -py3 / 64);
	gl.Vertex3f(px3, planez, py3);

	gl.TexCoord2f(px4 / 64, -py4 / 64);
	gl.Vertex3f(px4, planez, py4);

	gl.End();

	gl.MatrixMode(GL_TEXTURE);
	gl.PopMatrix();
	gl.MatrixMode(GL_MODELVIEW);
}
Exemple #7
0
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
//
// Horizon Portal
//
// This simply draws the area in medium sized squares. Drawing it as a whole
// polygon creates visible inaccuracies.
//
// Originally I tried to minimize the amount of data to be drawn but there
// are 2 problems with it:
//
// 1. Setting this up completely negates any performance gains.
// 2. It doesn't work with a 360° field of view (as when you are looking up.)
//
//
// So the brute force mechanism is just as good.
//
//
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//
// GLHorizonPortal::DrawContents
//
//-----------------------------------------------------------------------------
void GLHorizonPortal::DrawContents()
{
	PortalAll.Clock();

	GLSectorPlane * sp=&origin->plane;
	FMaterial * gltexture;
	PalEntry color;
	float z;
	player_t * player=&players[consoleplayer];

	gltexture=FMaterial::ValidateTexture(sp->texture, false, true);
	if (!gltexture) 
	{
		ClearScreen();
		PortalAll.Unclock();
		return;
	}
	gl_RenderState.SetCameraPos(ViewPos.X, ViewPos.Y, ViewPos.Z);


	z=sp->Texheight;


	if (gltexture && gltexture->tex->isFullbright())
	{
		// glowing textures are always drawn full bright without color
		gl_SetColor(255, 0, origin->colormap, 1.f);
		gl_SetFog(255, 0, &origin->colormap, false);
	}
	else 
	{
		int rel = getExtraLight();
		gl_SetColor(origin->lightlevel, rel, origin->colormap, 1.0f);
		gl_SetFog(origin->lightlevel, rel, &origin->colormap, false);
	}


	gl_RenderState.SetMaterial(gltexture, CLAMP_NONE, 0, -1, false);

	gl_SetPlaneTextureRotation(sp, gltexture);
	gl_RenderState.AlphaFunc(GL_GEQUAL, 0.f);
	gl_RenderState.BlendFunc(GL_ONE,GL_ZERO);
	gl_RenderState.Apply();



	float vx= ViewPos.X;
	float vy= ViewPos.Y;

	// Draw to some far away boundary
	// This is not drawn as larher strips because it causes visual glitches.
	for(float x=-32768+vx; x<32768+vx; x+=4096)
	{
		for(float y=-32768+vy; y<32768+vy;y+=4096)
		{
			FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
			ptr->Set(x, z, y, x / 64, -y / 64);
			ptr++;
			ptr->Set(x + 4096, z, y, x / 64 + 64, -y / 64);
			ptr++;
			ptr->Set(x, z, y + 4096, x / 64, -y / 64 - 64);
			ptr++;
			ptr->Set(x + 4096, z, y + 4096, x / 64 + 64, -y / 64 - 64);
			ptr++;
			GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);
		}
	}

	float vz= ViewPos.Z;
	float tz=(z-vz);///64.0f;

	// fill the gap between the polygon and the true horizon
	// Since I can't draw into infinity there can always be a
	// small gap

	FFlatVertex *ptr = GLRenderer->mVBO->GetBuffer();
	ptr->Set(-32768 + vx, z, -32768 + vy, 512.f, 0);
	ptr++;
	ptr->Set(-32768 + vx, vz, -32768 + vy, 512.f, tz);
	ptr++;
	ptr->Set(-32768 + vx, z, 32768 + vy, -512.f, 0);
	ptr++;
	ptr->Set(-32768 + vx, vz, 32768 + vy, -512.f, tz);
	ptr++;
	ptr->Set(32768 + vx, z, 32768 + vy, 512.f, 0);
	ptr++;
	ptr->Set(32768 + vx, vz, 32768 + vy, 512.f, tz);
	ptr++;
	ptr->Set(32768 + vx, z, -32768 + vy, -512.f, 0);
	ptr++;
	ptr->Set(32768 + vx, vz, -32768 + vy, -512.f, tz);
	ptr++;
	ptr->Set(-32768 + vx, z, -32768 + vy, 512.f, 0);
	ptr++;
	ptr->Set(-32768 + vx, vz, -32768 + vy, 512.f, tz);
	ptr++;
	GLRenderer->mVBO->RenderCurrent(ptr, GL_TRIANGLE_STRIP);

	gl_RenderState.EnableTextureMatrix(false);
	PortalAll.Unclock();

}