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127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
/*
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** st_start.cpp
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** Generic startup screen
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**
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**---------------------------------------------------------------------------
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** Copyright 2022 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 "startscreen.h"
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#include "filesystem.h"
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#include "printf.h"
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#include "startupinfo.h"
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#include "image.h"
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#include "texturemanager.h"
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// Hexen startup screen
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#define ST_PROGRESS_X 64 // Start of notches x screen pos.
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#define ST_PROGRESS_Y 441 // Start of notches y screen pos.
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class FGenericStartScreen : public FStartScreen
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{
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FBitmap Background;
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int NotchPos = 0;
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public:
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FGenericStartScreen(int max_progress);
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bool DoProgress(int) override;
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};
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//==========================================================================
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//
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// FGenericStartScreen Constructor
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//
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// Shows the Hexen startup screen. If the screen doesn't appear to be
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// valid, it sets hr for a failure.
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//
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// The startup graphic is a planar, 4-bit 640x480 graphic preceded by a
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// 16 entry (48 byte) VGA palette.
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//
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//==========================================================================
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FGenericStartScreen::FGenericStartScreen(int max_progress)
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: FStartScreen(max_progress)
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{
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// at this point we do not have a working texture manager yet, so we have to do the lookup via the file system
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int startup_lump = fileSystem.CheckNumForName("GZDOOM", FileSys::ns_graphics);
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StartupBitmap.Create(640, 480);
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ClearBlock(StartupBitmap, { 0, 0, 0, 255 }, 0, 0, 640, 480);
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// This also needs to work if the lump turns out to be unusable.
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if (startup_lump != -1)
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{
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auto iBackground = FImageSource::GetImage(startup_lump, false);
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if (iBackground)
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{
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Background = iBackground->GetCachedBitmap(nullptr, FImageSource::normal);
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if (Background.GetWidth() < 640 || Background.GetHeight() < 480)
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StartupBitmap.Blit(320 - Background.GetWidth()/2, 220 - Background.GetHeight() /2, Background);
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else
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StartupBitmap.Blit(0, 0, Background, 640, 480);
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}
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}
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CreateHeader();
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}
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//==========================================================================
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//
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// FGenericStartScreen :: Progress
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//
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// Bumps the progress meter one notch.
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//
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//==========================================================================
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bool FGenericStartScreen::DoProgress(int advance)
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{
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int notch_pos;
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if (CurPos < MaxPos)
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{
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RgbQuad bcolor = { 128, 0, 0, 255 }; // todo: make configurable
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int numnotches = 512;
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notch_pos = ((CurPos + 1) * 512) / MaxPos;
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if (notch_pos != NotchPos)
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{ // Time to draw another notch.
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ClearBlock(StartupBitmap, bcolor, ST_PROGRESS_X, ST_PROGRESS_Y, notch_pos, 16);
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NotchPos = notch_pos;
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StartupTexture->CleanHardwareData(true);
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}
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}
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return FStartScreen::DoProgress(advance);
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}
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FStartScreen* CreateGenericStartScreen(int max_progress)
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{
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return new FGenericStartScreen(max_progress);
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}
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