mirror of
https://github.com/nzp-team/dquakeplus.git
synced 2024-11-10 14:41:52 +00:00
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
|
|
Copyright (C) 2007 Peter Mackay and Chris Swindle.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
|
|
#ifndef QUAKE_CLIPPING_HPP
|
|
#define QUAKE_CLIPPING_HPP
|
|
|
|
#include <cstddef>
|
|
|
|
struct glvert_s;
|
|
|
|
namespace quake
|
|
{
|
|
namespace clipping
|
|
{
|
|
// Calculates clipping planes from the GU view and projection matrices.
|
|
void begin_frame(float regularfov, float wideclippingfov, float screenaspect);
|
|
|
|
// Calculates clipping planes from the GU view and projection matrices.
|
|
void begin_brush_model();
|
|
|
|
// Resets the frustum to camera space.
|
|
void end_brush_model();
|
|
|
|
// Is clipping required?
|
|
bool is_clipping_required(const struct glvert_s* vertices, std::size_t vertex_count);
|
|
|
|
// Clips a polygon.
|
|
void clip(
|
|
const struct glvert_s* unclipped_vertices,
|
|
std::size_t unclipped_vertex_count,
|
|
const struct glvert_s** clipped_vertices,
|
|
std::size_t* clipped_vertex_count);
|
|
}
|
|
}
|
|
|
|
#endif
|