C++ (Cpp) R_SetupModelviewMatrix Examples

Example #1

File: gl_rmain.c Project: Rhoin/Xash3D-CrossPlatform-Port

/*
=============
R_SetupGL
=============
*/
static void R_SetupGL( void )
{
	if( RI.refdef.waterlevel >= 3 )
	{
		float	f;
		f = sin( cl.time * 0.4f * ( M_PI * 2.7f ));
		RI.refdef.fov_x += f;
		RI.refdef.fov_y -= f;
	}

	R_SetupModelviewMatrix( &RI.refdef, RI.worldviewMatrix );
	R_SetupProjectionMatrix( &RI.refdef, RI.projectionMatrix );
//	if( RI.params & RP_MIRRORVIEW ) RI.projectionMatrix[0][0] = -RI.projectionMatrix[0][0];

	Matrix4x4_Concat( RI.worldviewProjectionMatrix, RI.projectionMatrix, RI.worldviewMatrix );

	pglScissor( RI.scissor[0], RI.scissor[1], RI.scissor[2], RI.scissor[3] );
	pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] );

	pglMatrixMode( GL_PROJECTION );
	GL_LoadMatrix( RI.projectionMatrix );

	pglMatrixMode( GL_MODELVIEW );
	GL_LoadMatrix( RI.worldviewMatrix );

	if( RI.params & RP_CLIPPLANE )
	{
		GLdouble	clip[4];
		mplane_t	*p = &RI.clipPlane;

		clip[0] = p->normal[0];
		clip[1] = p->normal[1];
		clip[2] = p->normal[2];
		clip[3] = -p->dist;

		pglClipPlane( GL_CLIP_PLANE0, clip );
		pglEnable( GL_CLIP_PLANE0 );
	}

	if( RI.params & RP_FLIPFRONTFACE )
		GL_FrontFace( !glState.frontFace );

	GL_Cull( GL_FRONT );

	pglDisable( GL_BLEND );
	pglDisable( GL_ALPHA_TEST );
	pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
}

Example #2

File: gl_rmain.c Project: jeefo/xash3d

/*
=============
R_SetupGL
=============
*/
static void R_SetupGL( void )
{
	if( r_underwater_distortion->value && RI.refdef.waterlevel >= 3 )
	{
		float	f;
		f = sin( cl.time * r_underwater_distortion->value * ( M_PI * 2.7f ));
		RI.refdef.fov_x += f;
		RI.refdef.fov_y -= f;
	}

	R_SetupModelviewMatrix( &RI.refdef, RI.worldviewMatrix );
	R_SetupProjectionMatrix( &RI.refdef, RI.projectionMatrix );
//	if( RI.params & RP_MIRRORVIEW ) RI.projectionMatrix[0][0] = -RI.projectionMatrix[0][0];

	Matrix4x4_Concat( RI.worldviewProjectionMatrix, RI.projectionMatrix, RI.worldviewMatrix );

	if( RP_NORMALPASS( ))
	{
		int	x, x2, y, y2;

		// set up viewport (main, playersetup)
		x = floor( RI.viewport[0] * glState.width / glState.width );
		x2 = ceil(( RI.viewport[0] + RI.viewport[2] ) * glState.width / glState.width );
		y = floor( glState.height - RI.viewport[1] * glState.height / glState.height );
		y2 = ceil( glState.height - ( RI.viewport[1] + RI.viewport[3] ) * glState.height / glState.height );

		pglViewport( x, y2, x2 - x, y - y2 );
	}
	else
	{
		// envpass, mirrorpass
		pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] );
	}

	pglMatrixMode( GL_PROJECTION );
	GL_LoadMatrix( RI.projectionMatrix );

	pglMatrixMode( GL_MODELVIEW );
	GL_LoadMatrix( RI.worldviewMatrix );

	if( RI.params & RP_CLIPPLANE )
	{
		GLdouble	clip[4];
		mplane_t	*p = &RI.clipPlane;

		clip[0] = p->normal[0];
		clip[1] = p->normal[1];
		clip[2] = p->normal[2];
		clip[3] = -p->dist;

		pglClipPlane( GL_CLIP_PLANE0, clip );
		pglEnable( GL_CLIP_PLANE0 );
	}

	if( RI.params & RP_FLIPFRONTFACE )
		GL_FrontFace( !glState.frontFace );

	GL_Cull( GL_FRONT );

	pglDisable( GL_BLEND );
	pglDisable( GL_ALPHA_TEST );
	pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
}