mirror of
https://github.com/ZDoom/gzdoom.git
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148 lines
4.2 KiB
C++
148 lines
4.2 KiB
C++
/*
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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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#include "menu/menu.h"
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#include "v_video.h"
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#include "g_level.h"
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#include "gi.h"
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#include "textures/textures.h"
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class DReadThisMenu : public DMenu
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{
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DECLARE_CLASS(DReadThisMenu, DMenu)
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int mScreen;
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int mInfoTic;
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public:
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DReadThisMenu(DMenu *parent = NULL);
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void Drawer();
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bool MenuEvent(int mkey, bool fromcontroller);
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bool DimAllowed () { return false; }
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bool MouseEvent(int type, int x, int y);
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};
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IMPLEMENT_CLASS(DReadThisMenu)
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//=============================================================================
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//
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// Read This Menus
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//
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//=============================================================================
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DReadThisMenu::DReadThisMenu(DMenu *parent)
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: DMenu(parent)
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{
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mScreen = 1;
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mInfoTic = gametic;
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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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void DReadThisMenu::Drawer()
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{
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FTexture *tex = NULL, *prevpic = NULL;
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fixed_t alpha;
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// Did the mapper choose a custom help page via MAPINFO?
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if ((level.info != NULL) && level.info->F1Pic.Len() != 0)
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{
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tex = TexMan.FindTexture(level.info->F1Pic);
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mScreen = 1;
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}
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if (tex == NULL)
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{
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tex = TexMan[gameinfo.infoPages[mScreen-1].GetChars()];
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}
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if (mScreen > 1)
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{
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prevpic = TexMan[gameinfo.infoPages[mScreen-2].GetChars()];
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}
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screen->Dim(0, 1.0, 0,0, SCREENWIDTH, SCREENHEIGHT);
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alpha = MIN<fixed_t> (Scale (gametic - mInfoTic, OPAQUE, TICRATE/3), OPAQUE);
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if (alpha < OPAQUE && prevpic != NULL)
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{
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screen->DrawTexture (prevpic, 0, 0, DTA_Fullscreen, true, TAG_DONE);
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}
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screen->DrawTexture (tex, 0, 0, DTA_Fullscreen, true, DTA_Alpha, alpha, TAG_DONE);
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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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bool DReadThisMenu::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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S_Sound (CHAN_VOICE | CHAN_UI, "menu/choose", snd_menuvolume, ATTN_NONE);
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mScreen++;
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mInfoTic = gametic;
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if ((level.info != NULL && level.info->F1Pic.Len() != 0) || mScreen > int(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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bool DReadThisMenu::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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