gzdoom/src/playsim/a_flashfader.cpp
Christoph Oelckers f74efcf721 - split the TObjPtr serializers into a separate file to avoid polluting everything that needs to use the serializer.
To use these it is necessary to include dobject.h and all its dependencies, so this should not be done unless necessary.
2020-04-11 20:20:53 +02:00

145 lines
4.3 KiB
C++

/*
** a_flashfader.cpp
** User settable screen blends
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "a_sharedglobal.h"
#include "d_player.h"
#include "serializer.h"
#include "serialize_obj.h"
#include "g_levellocals.h"
IMPLEMENT_CLASS(DFlashFader, false, true)
IMPLEMENT_POINTERS_START(DFlashFader)
IMPLEMENT_POINTER(ForWho)
IMPLEMENT_POINTERS_END
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void DFlashFader::Construct (float r1, float g1, float b1, float a1,
float r2, float g2, float b2, float a2,
float time, AActor *who, bool terminate)
{
TotalTics = (int)(time*TICRATE);
RemainingTics = TotalTics;
ForWho = who;
Blends[0][0]=r1; Blends[0][1]=g1; Blends[0][2]=b1; Blends[0][3]=a1;
Blends[1][0]=r2; Blends[1][1]=g2; Blends[1][2]=b2; Blends[1][3]=a2;
Terminate = terminate;
}
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void DFlashFader::OnDestroy ()
{
if (Terminate) Blends[1][3] = 0.f; // Needed in order to cancel out the secondary fade.
SetBlend (1.f);
Super::OnDestroy();
}
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void DFlashFader::Serialize(FSerializer &arc)
{
Super::Serialize (arc);
arc("totaltics", TotalTics)
("remainingtics", RemainingTics)
("forwho", ForWho)
.Array("blends", Blends[0], 8);
}
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void DFlashFader::Tick ()
{
if (ForWho == NULL || ForWho->player == NULL)
{
Destroy ();
return;
}
if (--RemainingTics <= 0)
{
SetBlend (1.f);
Destroy ();
return;
}
SetBlend (1.f - (float)RemainingTics / (float)TotalTics);
}
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void DFlashFader::SetBlend (float time)
{
if (ForWho == NULL || ForWho->player == NULL)
{
return;
}
player_t *player = ForWho->player;
float iT = 1.f - time;
player->BlendR = Blends[0][0]*iT + Blends[1][0]*time;
player->BlendG = Blends[0][1]*iT + Blends[1][1]*time;
player->BlendB = Blends[0][2]*iT + Blends[1][2]*time;
player->BlendA = Blends[0][3]*iT + Blends[1][3]*time;
}
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void DFlashFader::Cancel ()
{
RemainingTics = 0;
Blends[1][3] = 0.f;
}