mirror of https://github.com/ZDoom/gzdoom.git
- added the missing image scroller class.
MENUDEF handling was already present for it but the implementation was not.
This commit is contained in:
Christoph Oelckers
parent
ef47abda74
commit
f25896021e
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@ -259,6 +259,7 @@ version "4.5"
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#include "zscript/ui/menu/reverbedit.zs"
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#include "zscript/ui/menu/textentermenu.zs"
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#include "zscript/ui/menu/menucustomize.zs"
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#include "zscript/ui/menu/imagescroller.zs"
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#include "zscript/ui/menu/search/menu.zs"
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#include "zscript/ui/menu/search/searchfield.zs"
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@ -0,0 +1,283 @@
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/*
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** imagescroller.cpp
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** Scrolls through multiple fullscreen image pages,
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**
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**---------------------------------------------------------------------------
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** Copyright 2019-220 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 ImageScrollerDescriptor : MenuDescriptor native
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{
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native Array<ImageScrollerPage> mItems;
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native Font textFont;
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native TextureID textBackground;
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native Color textBackgroundBrightness;
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native double textScale;
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native bool mAnimatedTransition;
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native int virtWidth, virtHeight;
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}
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class ImageScrollerPage : MenuItemBase
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{
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int virtWidth, virtHeight;
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protected void DrawText(Font fnt, int color, double x, double y, String text)
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{
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screen.DrawText(fnt, color, x, y, text, DTA_VirtualWidth, virtWidth, DTA_VirtualHeight, virtHeight, DTA_FullscreenScale, FSMode_ScaleToFit43);
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}
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protected void DrawTexture(TextureID tex, double x, double y)
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{
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screen.DrawTexture(tex, true, x, y, DTA_VirtualWidth, virtWidth, DTA_VirtualHeight, virtHeight, DTA_FullscreenScale, FSMode_ScaleToFit43);
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}
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virtual void OnStartPage()
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{}
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virtual void OnEndPage()
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{}
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}
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//=============================================================================
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//
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// an image page
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//
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//=============================================================================
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class ImageScrollerPageImageItem : ImageScrollerPage
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{
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TextureID mTexture;
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void Init(ImageScrollerDescriptor desc, String patch)
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{
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Super.Init();
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mTexture = TexMan.CheckForTexture(patch);
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}
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override void Drawer(bool selected)
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{
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Screen.DrawTexture(mTexture, true, 0, 0, DTA_FullscreenEx, FSMode_ScaleToFit43, DTA_LegacyRenderStyle, STYLE_Normal);
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}
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}
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//=============================================================================
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//
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// a simple text page
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//
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//=============================================================================
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class ImageScrollerPageTextItem : ImageScrollerPage
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{
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Font mFont;
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BrokenLines mText;
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TextureID mTexture;
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Color mBrightness;
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double mTextScale;
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void Init(ImageScrollerDescriptor desc, String txt, int y = -1)
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{
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Super.Init();
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mTexture = desc.textBackground;
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mBrightness = desc.textBackgroundBrightness;
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mFont = desc.textFont;
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mTextScale = desc.textScale;
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virtWidth = desc.virtWidth;
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virtHeight = desc.virtHeight;
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mText = mFont.BreakLines(Stringtable.Localize(txt.Filter()), virtWidth / mTextScale);
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mYpos = y >= 0? y : virtHeight / 2 - mText.Count() * mFont.GetHeight() * mTextScale / 2;
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}
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override void Drawer(bool selected)
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{
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Screen.DrawTexture(mTexture, true, 0, 0, DTA_FullscreenEx, FSMode_ScaleToFit43, DTA_LegacyRenderStyle, STYLE_Normal, DTA_Color, mBrightness);
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int fontheight = mFont.GetHeight() * mTextScale;
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let y = mYpos;
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let c = mText.Count();
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for (int i = 0; i < c; i++)
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{
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screen.DrawText (mFont, Font.CR_UNTRANSLATED, virtWidth/2 - mText.StringWidth(i) * mTextScale / 2, y, mText.StringAt(i), DTA_ScaleX, mTextScale, DTA_ScaleY, mTextScale,
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DTA_VirtualWidth, virtWidth, DTA_VirtualHeight, virtHeight, DTA_FullscreenScale, FSMode_ScaleToFit43);
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y += fontheight;
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}
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}
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}
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//=============================================================================
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//
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// The main class
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//
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//=============================================================================
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class ImageScrollerMenu : Menu
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{
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ImageScrollerPage previous;
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ImageScrollerPage current;
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double start;
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int length;
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int dir;
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int index;
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ImageScrollerDescriptor mDesc;
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private void StartTransition(ImageScrollerPage to, int animtype)
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{
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if (AnimatedTransition)
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{
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start = MSTime() * (120. / 1000.);
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length = 30;
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dir = animtype;
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previous = current;
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}
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to.onStartPage();
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current = to;
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}
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virtual void Init(Menu parent, ImageScrollerDescriptor desc)
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{
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mParentMenu = parent;
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index = 0;
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mDesc = desc;
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AnimatedTransition = desc.mAnimatedTransition;
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current = mDesc.mItems[0];
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current.onStartPage();
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previous = null;
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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 (mDesc.mItems.Size() <= 1)
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{
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if (mkey == MKEY_Enter) mkey = MKEY_Back;
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else if (mkey == MKEY_Right || mkey == MKEY_Left) return true;
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}
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switch (mkey)
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{
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case MKEY_Back:
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// Before going back the currently running transition must be terminated.
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previous = null;
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return Super.MenuEvent(mkey, fromcontroller);
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case MKEY_Left:
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if (previous == null)
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{
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if (--index < 0) index = mDesc.mItems.Size() - 1;
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let next = mDesc.mItems[index];
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StartTransition(next, -1);
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MenuSound("menu/choose");
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}
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return true;
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case MKEY_Right:
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case MKEY_Enter:
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if (previous == null)
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{
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int oldindex = index;
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if (++index >= mDesc.mItems.Size()) index = 0;
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let next = mDesc.mItems[index];
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StartTransition(next, 1);
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MenuSound("menu/choose");
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}
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return true;
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default:
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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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//=============================================================================
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override bool MouseEvent(int type, int x, int y)
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{
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// Todo: Implement some form of drag event to switch between pages.
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if (type == MOUSE_Release)
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{
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return MenuEvent(MKEY_Enter, false);
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}
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return Super.MouseEvent(type, x, y);
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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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private bool DrawTransition()
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{
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double now = MSTime() * (120. / 1000.);
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if (now < start + length)
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{
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double factor = screen.GetWidth()/2;
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double phase = (now - start) / length * 180. + 90.;
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screen.SetOffset(factor * dir * (sin(phase) - 1.), 0);
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previous.Drawer(false);
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screen.SetOffset(factor * dir * (sin(phase) + 1.), 0);
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current.Drawer(false);
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screen.SetOffset(0, 0);
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return true;
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}
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previous.OnEndPage();
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previous = null;
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return false;
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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 void Drawer()
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{
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if (previous != null)
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{
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Animated = true;
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if (DrawTransition()) return;
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previous = null;
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}
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current.Drawer(false);
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Animated = false;
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}
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}
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