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- change license of wipe code

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There’s nothing really left here of id’s original code
This commit is contained in:
Christoph Oelckers 2022-04-25 17:30:37 +02:00
parent ccdf5fb23c
commit a067eacc79
2 changed files with 44 additions and 65 deletions
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83
src/rendering/2d/f_wipe.cpp
View file

@ -1,27 +1,37 @@
//-----------------------------------------------------------------------------
//
// Copyright 1993-1996 id Software
// Copyright 1999-2016 Randy Heit
//
// 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 3 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, see http://www.gnu.org/licenses/
//
//-----------------------------------------------------------------------------
//
// DESCRIPTION:
// Mission begin melt/wipe screen special effect.
//
//-----------------------------------------------------------------------------
/*
** wipe.cpp
** Screen wipe implementation
**
**---------------------------------------------------------------------------
** Copyright 1998-2016 Randy Heit
** Copyright 2005-2022 Christoph Oelckers
** 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 "v_video.h"
#include "m_random.h"
@ -252,15 +262,10 @@ bool Wiper_Crossfade::Run(int ticks)
Wiper_Melt::Wiper_Melt()
{
int i, r;
// setup initial column positions
// (y<0 => not ready to scroll yet)
y[0] = -(M_Random() & 15);
for (i = 1; i < WIDTH; ++i)
for (int i = 1; i < WIDTH; ++i)
{
r = (M_Random()%3) - 1;
y[i] = clamp(y[i-1] + r, -15, 0);
y[i] = clamp(y[i-1] + (M_Random() % 3) - 1, -15, 0);
}
}
@ -283,15 +288,14 @@ bool Wiper_Melt::Run(int ticks)
done = true;
for (int i = 0; i < WIDTH; i++)
{
if (y[i] < 0)
if (y[i] < HEIGHT)
{
y[i]++;
done = false;
}
else if (y[i] < HEIGHT)
{
int dy = (y[i] < 16) ? y[i] + 1 : 8;
y[i] = min<int>(y[i] + dy, HEIGHT);
if (y[i] < 0)
y[i]++;
else if (y[i] < 16)
y[i] += y[i] + 1;
else
y[i] = min<int>(y[i] + 8, HEIGHT);
done = false;
}
if (ticks == 0)
@ -308,7 +312,6 @@ bool Wiper_Melt::Run(int ticks)
} rect;
// Only draw for the final tick.
// No need for optimization. Wipes won't ever be drawn with anything else.
int w = startScreen->GetTexelWidth();
int h = startScreen->GetTexelHeight();

26
src/rendering/2d/f_wipe.h
View file

@ -1,32 +1,8 @@
//-----------------------------------------------------------------------------
//
// Copyright 1993-1996 id Software
//
// 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 3 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, see http://www.gnu.org/licenses/
//
//-----------------------------------------------------------------------------
//
// DESCRIPTION:
// Mission start screen wipe/melt, special effects.
//
//-----------------------------------------------------------------------------
#ifndef __F_WIPE_H__
#define __F_WIPE_H__
#include "stdint.h"
#include <functional>
class FTexture;
int wipe_CalcBurn(uint8_t *buffer, int width, int height, int density);