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