98 lines
3.7 KiB
Plaintext
98 lines
3.7 KiB
Plaintext
// Filename: renderModeAttrib.I
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// Created by: drose (14Mar02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: RenderModeAttrib::Constructor
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// Access: Private
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// Description: Use RenderModeAttrib::make() to construct a new
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// RenderModeAttrib object.
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////////////////////////////////////////////////////////////////////
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INLINE RenderModeAttrib::
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RenderModeAttrib(RenderModeAttrib::Mode mode, float thickness,
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bool perspective) :
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_mode(mode),
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_thickness(thickness),
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_perspective(perspective)
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{
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}
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////////////////////////////////////////////////////////////////////
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// Function: RenderModeAttrib::get_mode
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// Access: Published
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// Description: Returns the render mode.
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////////////////////////////////////////////////////////////////////
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INLINE RenderModeAttrib::Mode RenderModeAttrib::
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get_mode() const {
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return _mode;
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}
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////////////////////////////////////////////////////////////////////
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// Function: RenderModeAttrib::get_thickness
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// Access: Published
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// Description: Returns the line width or point thickness. This is
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// only relevant when rendering points or lines, such as
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// when the mode is M_wireframe or M_point (or when
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// rendering actual points or lines primitives in
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// M_polygon mode).
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////////////////////////////////////////////////////////////////////
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INLINE float RenderModeAttrib::
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get_thickness() const {
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return _thickness;
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}
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////////////////////////////////////////////////////////////////////
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// Function: RenderModeAttrib::get_perspective
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// Access: Published
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// Description: Returns the perspective flag. When this is true, the
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// point thickness represented by get_thickness() is
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// actually a width in 3-d units, and the points should
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// scale according to perspective. When it is false,
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// the default, the point thickness is actually a width
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// in pixels, and points are a uniform size regardless
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// of distance from the camera.
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////////////////////////////////////////////////////////////////////
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INLINE bool RenderModeAttrib::
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get_perspective() const {
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return _perspective;
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}
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////////////////////////////////////////////////////////////////////
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// Function: RenderModeAttrib::get_geom_rendering
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// Access: Published
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// Description: Returns the union of the Geom::GeomRendering bits
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// that will be required once this RenderModeAttrib is
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// applied to a geom which includes the indicated
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// geom_rendering bits.
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////////////////////////////////////////////////////////////////////
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INLINE int RenderModeAttrib::
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get_geom_rendering(int geom_rendering) const {
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if (_mode == M_point) {
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geom_rendering |= Geom::GR_point;
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}
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if ((geom_rendering & Geom::GR_point) != 0) {
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if (_perspective) {
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geom_rendering |= (Geom::GR_point_perspective | Geom::GR_point_uniform_size);
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} else if (_thickness != 1.0f) {
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geom_rendering |= Geom::GR_point_uniform_size;
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}
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}
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return geom_rendering;
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}
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