raze-gles/source/core/st_start.h

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#pragma once
/*
** st_start.h
** Interface for the startup screen.
**
**---------------------------------------------------------------------------
** Copyright 2006-2007 Randy Heit
** 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.
**---------------------------------------------------------------------------
**
** The startup screen interface is based on a mix of Heretic and Hexen.
** Actual implementation is system-specific.
*/
#include <stdint.h>
class FStartupScreen
{
public:
static FStartupScreen *CreateInstance(int max_progress);
FStartupScreen(int max_progress)
{
MaxPos = max_progress;
CurPos = 0;
NotchPos = 0;
}
virtual ~FStartupScreen() = default;
virtual void Progress() {}
virtual void NetInit(const char *message, int num_players) {}
virtual void NetProgress(int count) {}
virtual void NetMessage(const char *format, ...) {} // cover for printf
virtual void NetDone() {}
virtual bool NetLoop(bool (*timer_callback)(void *), void *userdata) { return false; }
protected:
int MaxPos, CurPos, NotchPos;
};
class FBasicStartupScreen : public FStartupScreen
{
public:
FBasicStartupScreen(int max_progress, bool show_bar);
~FBasicStartupScreen();
void Progress();
void NetInit(const char* message, int num_players);
void NetProgress(int count);
void NetMessage(const char* format, ...); // cover for printf
void NetDone();
bool NetLoop(bool (*timer_callback)(void*), void* userdata);
protected:
long long NetMarqueeMode;
int NetMaxPos, NetCurPos;
};
extern FStartupScreen *StartScreen;
//===========================================================================
//
// DeleteStartupScreen
//
// Makes sure the startup screen has been deleted before quitting.
//
//===========================================================================
inline void DeleteStartupScreen()
{
if (StartScreen != nullptr)
{
delete StartScreen;
StartScreen = nullptr;
}
}
extern void ST_Endoom();
// The entire set of functions here uses native Windows types. These are recreations of those types so that the code doesn't need to be changed more than necessary
struct BitmapInfoHeader
{
uint32_t biSize;
int32_t biWidth;
int32_t biHeight;
uint16_t biPlanes;
uint16_t biBitCount;
uint32_t biCompression;
uint32_t biSizeImage;
int32_t biXPelsPerMeter;
int32_t biYPelsPerMeter;
uint32_t biClrUsed;
uint32_t biClrImportant;
};
struct RgbQuad
{
uint8_t rgbBlue;
uint8_t rgbGreen;
uint8_t rgbRed;
uint8_t rgbReserved;
};
struct BitmapInfo
{
BitmapInfoHeader bmiHeader;
RgbQuad bmiColors[1];
};
void ST_Util_PlanarToChunky4(uint8_t* dest, const uint8_t* src, int width, int height);
void ST_Util_DrawBlock(BitmapInfo* bitmap_info, const uint8_t* src, int x, int y, int bytewidth, int height);
void ST_Util_ClearBlock(BitmapInfo* bitmap_info, uint8_t fill, int x, int y, int bytewidth, int height);
BitmapInfo* ST_Util_CreateBitmap(int width, int height, int color_bits);
uint8_t* ST_Util_BitsForBitmap(BitmapInfo* bitmap_info);
void ST_Util_FreeBitmap(BitmapInfo* bitmap_info);
void ST_Util_BitmapColorsFromPlaypal(BitmapInfo* bitmap_info);
uint8_t* ST_Util_LoadFont(const char* filename);
void ST_Util_FreeFont(uint8_t* font);
BitmapInfo* ST_Util_AllocTextBitmap(const uint8_t* font);
void ST_Util_DrawTextScreen(BitmapInfo* bitmap_info, const uint8_t* text_screen, const uint8_t* font);
void ST_Util_DrawChar(BitmapInfo* screen, const uint8_t* font, int x, int y, uint8_t charnum, uint8_t attrib);
void ST_Util_UpdateTextBlink(BitmapInfo* bitmap_info, const uint8_t* text_screen, const uint8_t* font, bool on);