コード例 #1
0
ファイル: terrain.cpp プロジェクト: AeonGames/AeonQuakeEngine
void Terrain_DrawCam( terrainMesh_t *pm ) {
	qglColor3f( 1,1,1 );
	qglPushAttrib( GL_ALL_ATTRIB_BITS );

	if ( g_bPatchWireFrame ) {
		if( pm->bSelected ) {
			qglLineWidth( 2 );
		} else {
			qglLineWidth( 1 );
		}

		qglDisable( GL_CULL_FACE );
		qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
		qglDisable( GL_TEXTURE_2D );

		if ( g_PrefsDlg.m_bGLLighting ) {
			qglDisable( GL_LIGHTING );
		}

		DrawTerrain( pm, pm->bSelected, true );

		if ( g_PrefsDlg.m_bGLLighting ) {
			qglEnable( GL_LIGHTING );
		}

		qglEnable( GL_CULL_FACE );
		qglLineWidth( 1 );
	} else {
		qglEnable( GL_CULL_FACE );
		qglCullFace( GL_FRONT );

		// draw the textured polys
		DrawTerrain( pm, pm->bSelected, true );

		// if selected, draw the red tint on the polys
		if( pm->bSelected ) { // && ( g_qeglobals.d_savedinfo.include & INCLUDE_CAMERATINT ) ) {
			qglColor4f( 1.0, 0.0, 0.0, 0.3 );
			qglEnable( GL_BLEND );
			qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
			qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );

			DrawTerrain( pm, pm->bSelected );

			qglColor3f( 1, 1, 1 );
		}

		// draw the backside poly outlines
		qglCullFace( GL_BACK );
		qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
		qglDisable( GL_BLEND );
		DrawTerrain( pm, pm->bSelected, true );
	}

	qglPopAttrib();
}
コード例 #2
0
ファイル: GLWidget.cpp プロジェクト: Salamek/Shadow-of-Dust
void idGLDrawableConsole::draw(int x, int y, int w, int h) {
    qglPushAttrib( GL_ALL_ATTRIB_BITS );
    qglClearColor( 0.1f, 0.1f, 0.1f, 0.0f );
    qglScissor( 0, 0, w, h );
    qglClear( GL_COLOR_BUFFER_BIT );
    renderSystem->BeginFrame( w, h );

    console->Draw( true );

    renderSystem->EndFrame( NULL, NULL );
    qglPopAttrib();
}
コード例 #3
0
ファイル: gui.cpp プロジェクト: teacoffee2017/OpenTomb
void Gui_Render()
{
    const text_shader_description *shader = renderer.shaderManager->getTextShader();
    screenSize[0] = screen_info.w;
    screenSize[1] = screen_info.h;
    qglUseProgramObjectARB(shader->program);
    qglUniform1iARB(shader->sampler, 0);
    qglUniform2fvARB(shader->screenSize, 1, screenSize);
    qglUniform1fARB(shader->colorReplace, 0.0f);

    qglPushAttrib(GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
    qglPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT | GL_CLIENT_VERTEX_ARRAY_BIT);

    qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
    qglPolygonMode(GL_FRONT, GL_FILL);
    qglFrontFace(GL_CCW);
    qglEnable(GL_BLEND);
    qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    qglDisable(GL_ALPHA_TEST);

    if(World_GetPlayer() && main_inventory_manager)
    {
        Gui_DrawInventory(engine_frame_time);
    }
    Gui_DrawNotifier(engine_frame_time);
    qglUseProgramObjectARB(shader->program);

    qglDepthMask(GL_FALSE);

    qglPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
    qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);

    if(screen_info.crosshair != 0)
    {
        Gui_DrawCrosshair();
    }
    Gui_DrawBars();

    qglUniform1fARB(shader->colorReplace, 1.0f);
    GLText_RenderStrings();
    Con_Draw(engine_frame_time);

    qglUniform1fARB(shader->colorReplace, 0.0f);
    qglDepthMask(GL_TRUE);
    qglPopClientAttrib();
    qglPopAttrib();
}
コード例 #4
0
/*
=================
RB_PolygonClear

This will cover the entire screen with normal rasterization.
Texturing is disabled, but the existing glColor, glDepthMask,
glColorMask, and the enabled state of depth buffering and
stenciling will matter.
=================
*/
void RB_PolygonClear() {
	qglPushMatrix();
	qglPushAttrib( GL_ALL_ATTRIB_BITS  );
	qglLoadIdentity();
	qglDisable( GL_TEXTURE_2D );
	qglDisable( GL_DEPTH_TEST );
	qglDisable( GL_CULL_FACE );
	qglDisable( GL_SCISSOR_TEST );
	qglBegin( GL_POLYGON );
	qglVertex3f( -20, -20, -10 );
	qglVertex3f( 20, -20, -10 );
	qglVertex3f( 20, 20, -10 );
	qglVertex3f( -20, 20, -10 );
	qglEnd();
	qglPopAttrib();
	qglPopMatrix();
}
コード例 #5
0
ファイル: gui.cpp プロジェクト: teacoffee2017/OpenTomb
void Gui_DrawLoadScreen(int value)
{
    qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    qglPushAttrib(GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
    qglPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
    qglPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
    qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);

    qglEnableClientState(GL_VERTEX_ARRAY);
    qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
    qglEnableClientState(GL_COLOR_ARRAY);
    qglDisableClientState(GL_NORMAL_ARRAY);

    qglEnable(GL_BLEND);
    qglEnable(GL_TEXTURE_2D);
    qglDisable(GL_ALPHA_TEST);
    qglDepthMask(GL_FALSE);

    qglPolygonMode(GL_FRONT, GL_FILL);
    qglFrontFace(GL_CCW);

    const GLfloat color_w[4] = {1.0f, 1.0f, 1.0f, 1.0f};
    const text_shader_description *shader = renderer.shaderManager->getTextShader();
    screenSize[0] = screen_info.w;
    screenSize[1] = screen_info.h;
    qglUseProgramObjectARB(shader->program);
    qglUniform1iARB(shader->sampler, 0);
    qglUniform2fvARB(shader->screenSize, 1, screenSize);

    Gui_DrawRect(0.0, 0.0, screen_info.w, screen_info.h, color_w, color_w, color_w, color_w, BM_OPAQUE, load_screen_tex);
    if(value >= 0)
    {
        Bar[BAR_LOADING].Show(value);
    }
    qglDepthMask(GL_TRUE);
    qglPopClientAttrib();
    qglPopAttrib();

    Engine_GLSwapWindow();
}
コード例 #6
0
ファイル: r_alias.c プロジェクト: ptitSeb/gravitybone-pandora
/*
=============
R_DrawAliasVolumeShadow
based on code from BeefQuake R6
=============
*/
void R_DrawAliasVolumeShadow (maliasmodel_t *paliashdr, vec3_t bbox[8])
{
	vec3_t		light, temp, vecAdd;
	float		dist, highest, lowest, projected_distance;
	float		angle, cosp, sinp, cosy, siny, cosr, sinr, ix, iy, iz;
	int			i, lnum;
	dlight_t	*dl;

	dl = r_newrefdef.dlights;

	VectorSet(vecAdd, 680,0,1024); // set base vector, was 576,0,1024

	// compute average light vector from dlights
	for (i=0, lnum=0; i<r_newrefdef.num_dlights; i++, dl++)
	{
		if (VectorCompare(dl->origin, currententity->origin))
			continue;
		
		VectorSubtract(dl->origin, currententity->origin, temp);
		dist = dl->intensity - VectorLength(temp);
		if (dist <= 0)
			continue;
		
		lnum++;
		// Factor in the intensity of a dlight
		VectorScale (temp, dist*0.25, temp);
		VectorAdd (vecAdd, temp, vecAdd);
	}
	VectorNormalize(vecAdd);
	VectorScale(vecAdd, 1024, vecAdd);

	// get projection distance from lightspot height
	highest = lowest = bbox[0][2];
	for (i=0; i<8; i++) {
		if (bbox[i][2] > highest) highest = bbox[i][2];
		if (bbox[i][2] < lowest) lowest = bbox[i][2];
	}
	projected_distance = (fabs(highest - lightspot[2]) + (highest-lowest)) / vecAdd[2];

	VectorCopy(vecAdd, light);
	
	/*cosy = cos(-currententity->angles[YAW] / 180 * M_PI);
	siny = sin(-currententity->angles[YAW] / 180 * M_PI);

	ix = light[0], iy = light[1];
	light[0] = (cosy * (ix - 0) + siny * (0 - iy) + 0);
	light[1] = (cosy * (iy - 0) + siny * (ix - 0) + 0);
	light[2] += 8;*/

	// reverse-rotate light vector based on angles
	angle = -currententity->angles[PITCH] / 180 * M_PI;
	cosp = cos(angle), sinp = sin(angle);
	angle = -currententity->angles[YAW] / 180 * M_PI;
	cosy = cos(angle), siny = sin(angle);
	angle = currententity->angles[ROLL] / 180 * M_PI; // roll is backwards
	cosr = cos(angle), sinr = sin(angle);

	// rotate for yaw (z axis)
	ix = light[0], iy = light[1];
	light[0] = cosy * ix - siny * iy + 0;
	light[1] = siny * ix + cosy * iy + 0;

	// rotate for pitch (y axis)
	ix = light[0], iz = light[2];
	light[0] = cosp * ix + 0 + sinp * iz;
	light[2] = -sinp * ix + 0 + cosp * iz;

	// rotate for roll (x axis)
	iy = light[1], iz = light[2];
	light[1] = 0 + cosr * iy - sinr * iz;
	light[2] = 0 + sinr * iy + cosr * iz;


	// set up stenciling
	if (!r_shadowvolumes->value)
	{
		qglPushAttrib(GL_STENCIL_BUFFER_BIT); // save stencil buffer
		qglClear(GL_STENCIL_BUFFER_BIT);

		qglColorMask(0,0,0,0);
		GL_DepthMask(0);
		GL_DepthFunc(GL_LESS);

		GL_Enable(GL_STENCIL_TEST);
		qglStencilFunc(GL_ALWAYS, 0, 255);
	//	qglStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
	//	qglStencilMask (255);
	}

	// build shadow volumes and render each to stencil buffer
	for (i=0; i<paliashdr->num_meshes; i++)
	{
		if (paliashdr->meshes[i].skins[currententity->skinnum].renderparms.nodraw
			|| paliashdr->meshes[i].skins[currententity->skinnum].renderparms.alphatest
			|| paliashdr->meshes[i].skins[currententity->skinnum].renderparms.noshadow)
			continue;

		R_BuildShadowVolume (paliashdr, i, light, projected_distance, r_shadowvolumes->value);
		GL_LockArrays (shadow_va);

		if (!r_shadowvolumes->value)
		{
			if (gl_config.atiSeparateStencil && gl_config.extStencilWrap) // Barnes ATI stenciling
			{
				GL_Disable(GL_CULL_FACE);

				qglStencilOpSeparateATI (GL_BACK, GL_KEEP, GL_INCR_WRAP_EXT, GL_KEEP); 
				qglStencilOpSeparateATI (GL_FRONT, GL_KEEP, GL_DECR_WRAP_EXT, GL_KEEP);

				R_DrawShadowVolume ();

				GL_Enable(GL_CULL_FACE);
			}
			else if (gl_config.extStencilTwoSide && gl_config.extStencilWrap) // Echon's two-sided stenciling
			{
				GL_Disable(GL_CULL_FACE);
				qglEnable (GL_STENCIL_TEST_TWO_SIDE_EXT);

				qglActiveStencilFaceEXT (GL_BACK);
				qglStencilOp (GL_KEEP, GL_INCR_WRAP_EXT, GL_KEEP);
				qglActiveStencilFaceEXT (GL_FRONT);
				qglStencilOp (GL_KEEP, GL_DECR_WRAP_EXT, GL_KEEP);

				R_DrawShadowVolume ();

				qglDisable (GL_STENCIL_TEST_TWO_SIDE_EXT);
				GL_Enable(GL_CULL_FACE);
			}
			else
			{	// increment stencil if backface is behind depthbuffer
				GL_CullFace(GL_BACK); // quake is backwards, this culls front faces
				qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);
				R_DrawShadowVolume ();

				// decrement stencil if frontface is behind depthbuffer
				GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
				qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);
				R_DrawShadowVolume ();
			}
		}
		else
			R_DrawShadowVolume ();

		GL_UnlockArrays ();
	}

	// end stenciling and draw stenciled volume
	if (!r_shadowvolumes->value)
	{
		GL_CullFace(GL_FRONT);
		GL_Disable(GL_STENCIL_TEST);
		
		GL_DepthFunc(GL_LEQUAL);
		GL_DepthMask(1);
		qglColorMask(1,1,1,1);
		
		// draw shadows for this model now
		R_ShadowBlend (aliasShadowAlpha * currententity->alpha); // was r_shadowalpha->value
		qglPopAttrib(); // restore stencil buffer
	}
}