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