dxx-rebirth/common/main/lighting.h
2020-12-26 21:17:29 +00:00

83 lines
2.3 KiB
C++

/*
* Portions of this file are copyright Rebirth contributors and licensed as
* described in COPYING.txt.
* Portions of this file are copyright Parallax Software and licensed
* according to the Parallax license below.
* See COPYING.txt for license details.
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
*/
/*
*
* Lighting system prototypes, structures, etc.
*
*/
#pragma once
#include "maths.h"
#include "vecmat.h"
#include "fwd-object.h"
#include "fwd-segment.h"
#include "3d.h"
#include "d_array.h"
#define MAX_LIGHT 0x10000 // max value
#define MIN_LIGHT_DIST (F1_0*4)
namespace dcx {
struct d_level_unique_light_state
{
enumerated_array<g3s_lrgb, MAX_VERTICES, vertnum_t> Dynamic_light;
};
}
#if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
namespace dsx {
#if defined(DXX_BUILD_DESCENT_II)
struct d_level_unique_headlight_state
{
unsigned Num_headlights = 0;
std::array<const object_base *, 8> Headlights = {};
};
struct d_level_unique_light_state :
d_level_unique_headlight_state,
::dcx::d_level_unique_light_state
{
};
#endif
extern d_level_unique_light_state LevelUniqueLightState;
}
extern const object *old_viewer;
namespace dsx {
// compute the lighting for an object. Takes a pointer to the object,
// and possibly a rotated 3d point. If the point isn't specified, the
// object's center point is rotated.
g3s_lrgb compute_object_light(const d_level_unique_light_state &LevelUniqueLightState, vcobjptridx_t obj);
// turn headlight boost on & off
#if defined(DXX_BUILD_DESCENT_II)
void toggle_headlight_active(object &);
#endif
}
void start_lighting_frame(const object &viewer);
#endif