netradiant-custom/contrib/prtview/portals.h

147 lines
3.2 KiB
C++

/*
PrtView plugin for GtkRadiant
Copyright (C) 2001 Geoffrey Dewan, Loki software and qeradiant.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include "irender.h"
#include "renderable.h"
#include "math/vector.h"
#include "string/string.h"
#include <vector>
class CBspPortal {
public:
CBspPortal();
~CBspPortal();
protected:
public:
Vector3 center{ 0 };
std::vector<Vector3> point;
std::vector<Vector3> inner_point;
float fp_color_random[4];
Vector3 min;
Vector3 max;
float dist;
bool hint;
bool Build( char *def );
};
using PackedColour = std::uint32_t;
#define RGB_PACK( r, g, b ) ( (std::uint32_t)( ( (std::uint8_t)( r ) | ( (std::uint16_t)( (std::uint8_t)( g ) ) << 8 ) ) | ( ( (std::uint32_t)(std::uint8_t)( b ) ) << 16 ) ) )
#define RGB_UNPACK_R( rgb ) ( (std::uint8_t)( rgb ) )
#define RGB_UNPACK_G( rgb ) ( (std::uint8_t)( ( (std::uint16_t)( rgb ) ) >> 8 ) )
#define RGB_UNPACK_B( rgb ) ( (std::uint8_t)( ( rgb ) >> 16 ) )
class CPortals {
enum ePrtFormat {
PRT1,
PRT2,
PRT1AM
} format;
public:
CPortals();
~CPortals();
void Load(); // use filename in fn
void Purge();
void FixColors();
CopiedString fn;
int zbuffer;
bool polygons;
bool lines;
bool show_3d;
bool fog;
PackedColour color_3d;
int width_3d;
float fp_color_3d[4];
PackedColour color_fog;
float fp_color_fog[4];
int opacity_3d;
int clip_range;
bool clip;
bool draw_hints;
bool draw_nonhints;
bool show_2d;
PackedColour color_2d;
int width_2d;
float fp_color_2d[4];
std::vector<CBspPortal> portal;
std::vector<const CBspPortal*> portal_sort;
bool hint_flags;
// CBspNode *node;
};
class CubicClipVolume
{
public:
Vector3 cam, min, max;
};
class CPortalsDrawSolid : public OpenGLRenderable
{
public:
mutable CubicClipVolume clip;
void render( RenderStateFlags state ) const;
};
class CPortalsDrawSolidOutline : public OpenGLRenderable
{
public:
mutable CubicClipVolume clip;
void render( RenderStateFlags state ) const;
};
class CPortalsDrawWireframe : public OpenGLRenderable
{
public:
void render( RenderStateFlags state ) const;
};
class CPortalsRender : public Renderable
{
public:
CPortalsDrawSolid m_drawSolid;
CPortalsDrawSolidOutline m_drawSolidOutline;
CPortalsDrawWireframe m_drawWireframe;
void renderSolid( Renderer& renderer, const VolumeTest& volume ) const;
void renderWireframe( Renderer& renderer, const VolumeTest& volume ) const;
};
extern CPortals portals;
extern CPortalsRender render;
void Portals_constructShaders();
void Portals_destroyShaders();
void Portals_shadersChanged();