gzdoom-gles/wadsrc/static/zscript/ui/menu/readthis.zs
Christoph Oelckers e0d8241a50 - use the backend's GameTicRate in the scripts where applicable.
This should replace TICRATE globally as it is the backend's actual ticking speed (still locked to 35, though.)
2020-10-16 22:57:24 +02:00

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/*
** readthis.cpp
** Help screens
**
**---------------------------------------------------------------------------
** Copyright 2001-2010 Randy Heit
** Copyright 2010 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.
**---------------------------------------------------------------------------
**
*/
class ReadThisMenu : GenericMenu
{
int mScreen;
int mInfoTic;
//=============================================================================
//
//
//
//=============================================================================
override void Init(Menu parent)
{
Super.Init(parent);
mScreen = 1;
mInfoTic = gametic;
}
override void Drawer()
{
double alpha;
TextureID tex, prevpic;
// Did the mapper choose a custom help page via MAPINFO?
if (Level.F1Pic.Length() != 0)
{
tex = TexMan.CheckForTexture(Level.F1Pic, TexMan.Type_MiscPatch);
mScreen = 1;
}
if (!tex.IsValid())
{
tex = TexMan.CheckForTexture(gameinfo.infoPages[mScreen-1], TexMan.Type_MiscPatch);
}
if (mScreen > 1)
{
prevpic = TexMan.CheckForTexture(gameinfo.infoPages[mScreen-2], TexMan.Type_MiscPatch);
}
screen.Dim(0, 1.0, 0,0, screen.GetWidth(), screen.GetHeight());
alpha = MIN((gametic - mInfoTic) * (3. / GameTicRate), 1.);
if (alpha < 1. && prevpic.IsValid())
{
screen.DrawTexture (prevpic, false, 0, 0, DTA_Fullscreen, true);
}
else alpha = 1;
screen.DrawTexture (tex, false, 0, 0, DTA_Fullscreen, true, DTA_Alpha, alpha);
}
//=============================================================================
//
//
//
//=============================================================================
override bool MenuEvent(int mkey, bool fromcontroller)
{
if (mkey == MKEY_Enter)
{
MenuSound("menu/choose");
mScreen++;
mInfoTic = gametic;
if (Level.F1Pic.Length() != 0 || mScreen > gameinfo.infoPages.Size())
{
Close();
}
return true;
}
else return Super.MenuEvent(mkey, fromcontroller);
}
//=============================================================================
//
//
//
//=============================================================================
override bool MouseEvent(int type, int x, int y)
{
if (type == MOUSE_Click)
{
return MenuEvent(MKEY_Enter, true);
}
return false;
}
}