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raze/source/common/startscreen/startscreen.cpp
Christoph Oelckers c1d603e1e9 - backend update from GZDoom.
2022-10-02 20:33:18 +02:00

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/*
** st_start.cpp
** Handles the startup screen.
**
**---------------------------------------------------------------------------
** Copyright 2006-2007 Randy Heit
** Copyright 2006-2022 Christoph Oelckers
** 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.
**---------------------------------------------------------------------------
**
*/
#include "startscreen.h"
#include "filesystem.h"
#include "palutil.h"
#include "v_font.h"
#include "i_interface.h"
#include "startupinfo.h"
#include "m_argv.h"
#include "engineerrors.h"
#include "utf8.h"
#include "gstrings.h"
#include "printf.h"
#include "i_time.h"
#include "v_video.h"
#include "v_draw.h"
#include "g_input.h"
#include "texturemanager.h"
// Text mode color values
enum{
LO = 85,
MD = 170,
HI = 255,
};
const RgbQuad TextModePalette[16] =
{
{ 0, 0, 0, 255 }, // 0 black
{ MD, 0, 0, 255 }, // 1 blue
{ 0, MD, 0, 255 }, // 2 green
{ MD, MD, 0, 255 }, // 3 cyan
{ 0, 0, MD, 255 }, // 4 red
{ MD, 0, MD, 255 }, // 5 magenta
{ 0, LO, MD, 255 }, // 6 brown
{ MD, MD, MD, 255 }, // 7 light gray
{ LO, LO, LO, 255 }, // 8 dark gray
{ HI, LO, LO, 255 }, // 9 light blue
{ LO, HI, LO, 255 }, // A light green
{ HI, HI, LO, 255 }, // B light cyan
{ LO, LO, HI, 255 }, // C light red
{ HI, LO, HI, 255 }, // D light magenta
{ LO, HI, HI, 255 }, // E yellow
{ HI, HI, HI, 255 }, // F white
};
static const uint16_t IBM437ToUnicode[] = {
0x0000, //#NULL
0x263a, //#START OF HEADING
0x263B, //#START OF TEXT
0x2665, //#END OF TEXT
0x2666, //#END OF TRANSMISSION
0x2663, //#ENQUIRY
0x2660, //#ACKNOWLEDGE
0x2022, //#BELL
0x25d8, //#BACKSPACE
0x25cb, //#HORIZONTAL TABULATION
0x25d9, //#LINE FEED
0x2642, //#VERTICAL TABULATION
0x2640, //#FORM FEED
0x266a, //#CARRIAGE RETURN
0x266b, //#SHIFT OUT
0x263c, //#SHIFT IN
0x25ba, //#DATA LINK ESCAPE
0x25c4, //#DEVICE CONTROL ONE
0x2195, //#DEVICE CONTROL TWO
0x203c, //#DEVICE CONTROL THREE
0x00b6, //#DEVICE CONTROL FOUR
0x00a7, //#NEGATIVE ACKNOWLEDGE
0x25ac, //#SYNCHRONOUS IDLE
0x21ab, //#END OF TRANSMISSION BLOCK
0x2191, //#CANCEL
0x2193, //#END OF MEDIUM
0x2192, //#SUBSTITUTE
0x2190, //#ESCAPE
0x221f, //#FILE SEPARATOR
0x2194, //#GROUP SEPARATOR
0x25b2, //#RECORD SEPARATOR
0x25bc, //#UNIT SEPARATOR
0x0020, //#SPACE
0x0021, //#EXCLAMATION MARK
0x0022, //#QUOTATION MARK
0x0023, //#NUMBER SIGN
0x0024, //#DOLLAR SIGN
0x0025, //#PERCENT SIGN
0x0026, //#AMPERSAND
0x0027, //#APOSTROPHE
0x0028, //#LEFT PARENTHESIS
0x0029, //#RIGHT PARENTHESIS
0x002a, //#ASTERISK
0x002b, //#PLUS SIGN
0x002c, //#COMMA
0x002d, //#HYPHEN-MINUS
0x002e, //#FULL STOP
0x002f, //#SOLIDUS
0x0030, //#DIGIT ZERO
0x0031, //#DIGIT ONE
0x0032, //#DIGIT TWO
0x0033, //#DIGIT THREE
0x0034, //#DIGIT FOUR
0x0035, //#DIGIT FIVE
0x0036, //#DIGIT SIX
0x0037, //#DIGIT SEVEN
0x0038, //#DIGIT EIGHT
0x0039, //#DIGIT NINE
0x003a, //#COLON
0x003b, //#SEMICOLON
0x003c, //#LESS-THAN SIGN
0x003d, //#EQUALS SIGN
0x003e, //#GREATER-THAN SIGN
0x003f, //#QUESTION MARK
0x0040, //#COMMERCIAL AT
0x0041, //#LATIN CAPITAL LETTER A
0x0042, //#LATIN CAPITAL LETTER B
0x0043, //#LATIN CAPITAL LETTER C
0x0044, //#LATIN CAPITAL LETTER D
0x0045, //#LATIN CAPITAL LETTER E
0x0046, //#LATIN CAPITAL LETTER F
0x0047, //#LATIN CAPITAL LETTER G
0x0048, //#LATIN CAPITAL LETTER H
0x0049, //#LATIN CAPITAL LETTER I
0x004a, //#LATIN CAPITAL LETTER J
0x004b, //#LATIN CAPITAL LETTER K
0x004c, //#LATIN CAPITAL LETTER L
0x004d, //#LATIN CAPITAL LETTER M
0x004e, //#LATIN CAPITAL LETTER N
0x004f, //#LATIN CAPITAL LETTER O
0x0050, //#LATIN CAPITAL LETTER P
0x0051, //#LATIN CAPITAL LETTER Q
0x0052, //#LATIN CAPITAL LETTER R
0x0053, //#LATIN CAPITAL LETTER S
0x0054, //#LATIN CAPITAL LETTER T
0x0055, //#LATIN CAPITAL LETTER U
0x0056, //#LATIN CAPITAL LETTER V
0x0057, //#LATIN CAPITAL LETTER W
0x0058, //#LATIN CAPITAL LETTER X
0x0059, //#LATIN CAPITAL LETTER Y
0x005a, //#LATIN CAPITAL LETTER Z
0x005b, //#LEFT SQUARE BRACKET
0x005c, //#REVERSE SOLIDUS
0x005d, //#RIGHT SQUARE BRACKET
0x005e, //#CIRCUMFLEX ACCENT
0x005f, //#LOW LINE
0x0060, //#GRAVE ACCENT
0x0061, //#LATIN SMALL LETTER A
0x0062, //#LATIN SMALL LETTER B
0x0063, //#LATIN SMALL LETTER C
0x0064, //#LATIN SMALL LETTER D
0x0065, //#LATIN SMALL LETTER E
0x0066, //#LATIN SMALL LETTER F
0x0067, //#LATIN SMALL LETTER G
0x0068, //#LATIN SMALL LETTER H
0x0069, //#LATIN SMALL LETTER I
0x006a, //#LATIN SMALL LETTER J
0x006b, //#LATIN SMALL LETTER K
0x006c, //#LATIN SMALL LETTER L
0x006d, //#LATIN SMALL LETTER M
0x006e, //#LATIN SMALL LETTER N
0x006f, //#LATIN SMALL LETTER O
0x0070, //#LATIN SMALL LETTER P
0x0071, //#LATIN SMALL LETTER Q
0x0072, //#LATIN SMALL LETTER R
0x0073, //#LATIN SMALL LETTER S
0x0074, //#LATIN SMALL LETTER T
0x0075, //#LATIN SMALL LETTER U
0x0076, //#LATIN SMALL LETTER V
0x0077, //#LATIN SMALL LETTER W
0x0078, //#LATIN SMALL LETTER X
0x0079, //#LATIN SMALL LETTER Y
0x007a, //#LATIN SMALL LETTER Z
0x007b, //#LEFT CURLY BRACKET
0x007c, //#VERTICAL LINE
0x007d, //#RIGHT CURLY BRACKET
0x007e, //#TILDE
0x2302, //#DELETE
0x00c7, //#LATIN CAPITAL LETTER C WITH CEDILLA
0x00fc, //#LATIN SMALL LETTER U WITH DIAERESIS
0x00e9, //#LATIN SMALL LETTER E WITH ACUTE
0x00e2, //#LATIN SMALL LETTER A WITH CIRCUMFLEX
0x00e4, //#LATIN SMALL LETTER A WITH DIAERESIS
0x00e0, //#LATIN SMALL LETTER A WITH GRAVE
0x00e5, //#LATIN SMALL LETTER A WITH RING ABOVE
0x00e7, //#LATIN SMALL LETTER C WITH CEDILLA
0x00ea, //#LATIN SMALL LETTER E WITH CIRCUMFLEX
0x00eb, //#LATIN SMALL LETTER E WITH DIAERESIS
0x00e8, //#LATIN SMALL LETTER E WITH GRAVE
0x00ef, //#LATIN SMALL LETTER I WITH DIAERESIS
0x00ee, //#LATIN SMALL LETTER I WITH CIRCUMFLEX
0x00ec, //#LATIN SMALL LETTER I WITH GRAVE
0x00c4, //#LATIN CAPITAL LETTER A WITH DIAERESIS
0x00c5, //#LATIN CAPITAL LETTER A WITH RING ABOVE
0x00c9, //#LATIN CAPITAL LETTER E WITH ACUTE
0x00e6, //#LATIN SMALL LIGATURE AE
0x00c6, //#LATIN CAPITAL LIGATURE AE
0x00f4, //#LATIN SMALL LETTER O WITH CIRCUMFLEX
0x00f6, //#LATIN SMALL LETTER O WITH DIAERESIS
0x00f2, //#LATIN SMALL LETTER O WITH GRAVE
0x00fb, //#LATIN SMALL LETTER U WITH CIRCUMFLEX
0x00f9, //#LATIN SMALL LETTER U WITH GRAVE
0x00ff, //#LATIN SMALL LETTER Y WITH DIAERESIS
0x00d6, //#LATIN CAPITAL LETTER O WITH DIAERESIS
0x00dc, //#LATIN CAPITAL LETTER U WITH DIAERESIS
0x00a2, //#CENT SIGN
0x00a3, //#POUND SIGN
0x00a5, //#YEN SIGN
0x20a7, //#PESETA SIGN
0x0192, //#LATIN SMALL LETTER F WITH HOOK
0x00e1, //#LATIN SMALL LETTER A WITH ACUTE
0x00ed, //#LATIN SMALL LETTER I WITH ACUTE
0x00f3, //#LATIN SMALL LETTER O WITH ACUTE
0x00fa, //#LATIN SMALL LETTER U WITH ACUTE
0x00f1, //#LATIN SMALL LETTER N WITH TILDE
0x00d1, //#LATIN CAPITAL LETTER N WITH TILDE
0x00aa, //#FEMININE ORDINAL INDICATOR
0x00ba, //#MASCULINE ORDINAL INDICATOR
0x00bf, //#INVERTED QUESTION MARK
0x2310, //#REVERSED NOT SIGN
0x00ac, //#NOT SIGN
0x00bd, //#VULGAR FRACTION ONE HALF
0x00bc, //#VULGAR FRACTION ONE QUARTER
0x00a1, //#INVERTED EXCLAMATION MARK
0x00ab, //#LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
0x00bb, //#RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
0x2591, //#LIGHT SHADE
0x2592, //#MEDIUM SHADE
0x2593, //#DARK SHADE
0x2502, //#BOX DRAWINGS LIGHT VERTICAL
0x2524, //#BOX DRAWINGS LIGHT VERTICAL AND LEFT
0x2561, //#BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE
0x2562, //#BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE
0x2556, //#BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE
0x2555, //#BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE
0x2563, //#BOX DRAWINGS DOUBLE VERTICAL AND LEFT
0x2551, //#BOX DRAWINGS DOUBLE VERTICAL
0x2557, //#BOX DRAWINGS DOUBLE DOWN AND LEFT
0x255d, //#BOX DRAWINGS DOUBLE UP AND LEFT
0x255c, //#BOX DRAWINGS UP DOUBLE AND LEFT SINGLE
0x255b, //#BOX DRAWINGS UP SINGLE AND LEFT DOUBLE
0x2510, //#BOX DRAWINGS LIGHT DOWN AND LEFT
0x2514, //#BOX DRAWINGS LIGHT UP AND RIGHT
0x2534, //#BOX DRAWINGS LIGHT UP AND HORIZONTAL
0x252c, //#BOX DRAWINGS LIGHT DOWN AND HORIZONTAL
0x251c, //#BOX DRAWINGS LIGHT VERTICAL AND RIGHT
0x2500, //#BOX DRAWINGS LIGHT HORIZONTAL
0x253c, //#BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL
0x255e, //#BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE
0x255f, //#BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE
0x255a, //#BOX DRAWINGS DOUBLE UP AND RIGHT
0x2554, //#BOX DRAWINGS DOUBLE DOWN AND RIGHT
0x2569, //#BOX DRAWINGS DOUBLE UP AND HORIZONTAL
0x2566, //#BOX DRAWINGS DOUBLE DOWN AND HORIZONTAL
0x2560, //#BOX DRAWINGS DOUBLE VERTICAL AND RIGHT
0x2550, //#BOX DRAWINGS DOUBLE HORIZONTAL
0x256c, //#BOX DRAWINGS DOUBLE VERTICAL AND HORIZONTAL
0x2567, //#BOX DRAWINGS UP SINGLE AND HORIZONTAL DOUBLE
0x2568, //#BOX DRAWINGS UP DOUBLE AND HORIZONTAL SINGLE
0x2564, //#BOX DRAWINGS DOWN SINGLE AND HORIZONTAL DOUBLE
0x2565, //#BOX DRAWINGS DOWN DOUBLE AND HORIZONTAL SINGLE
0x2559, //#BOX DRAWINGS UP DOUBLE AND RIGHT SINGLE
0x2558, //#BOX DRAWINGS UP SINGLE AND RIGHT DOUBLE
0x2552, //#BOX DRAWINGS DOWN SINGLE AND RIGHT DOUBLE
0x2553, //#BOX DRAWINGS DOWN DOUBLE AND RIGHT SINGLE
0x256b, //#BOX DRAWINGS VERTICAL DOUBLE AND HORIZONTAL SINGLE
0x256a, //#BOX DRAWINGS VERTICAL SINGLE AND HORIZONTAL DOUBLE
0x2518, //#BOX DRAWINGS LIGHT UP AND LEFT
0x250c, //#BOX DRAWINGS LIGHT DOWN AND RIGHT
0x2588, //#FULL BLOCK
0x2584, //#LOWER HALF BLOCK
0x258c, //#LEFT HALF BLOCK
0x2590, //#RIGHT HALF BLOCK
0x2580, //#UPPER HALF BLOCK
0x03b1, //#GREEK SMALL LETTER ALPHA
0x00df, //#LATIN SMALL LETTER SHARP S
0x0393, //#GREEK CAPITAL LETTER GAMMA
0x03c0, //#GREEK SMALL LETTER PI
0x03a3, //#GREEK CAPITAL LETTER SIGMA
0x03c3, //#GREEK SMALL LETTER SIGMA
0x00b5, //#MICRO SIGN
0x03c4, //#GREEK SMALL LETTER TAU
0x03a6, //#GREEK CAPITAL LETTER PHI
0x0398, //#GREEK CAPITAL LETTER THETA
0x03a9, //#GREEK CAPITAL LETTER OMEGA
0x03b4, //#GREEK SMALL LETTER DELTA
0x221e, //#INFINITY
0x03c6, //#GREEK SMALL LETTER PHI
0x03b5, //#GREEK SMALL LETTER EPSILON
0x2229, //#INTERSECTION
0x2261, //#IDENTICAL TO
0x00b1, //#PLUS-MINUS SIGN
0x2265, //#GREATER-THAN OR EQUAL TO
0x2264, //#LESS-THAN OR EQUAL TO
0x2320, //#TOP HALF INTEGRAL
0x2321, //#BOTTOM HALF INTEGRAL
0x00f7, //#DIVISION SIGN
0x2248, //#ALMOST EQUAL TO
0x00b0, //#DEGREE SIGN
0x2219, //#BULLET OPERATOR
0x00b7, //#MIDDLE DOT
0x221a, //#SQUARE ROOT
0x207f, //#SUPERSCRIPT LATIN SMALL LETTER N
0x00b2, //#SUPERSCRIPT TWO
0x25a0, //#BLACK SQUARE
0x00a0, //#NO-BREAK SPACE
};
FStartScreen* CreateHexenStartScreen(int max_progress);
FStartScreen* CreateHereticStartScreen(int max_progress);
FStartScreen* CreateStrifeStartScreen(int max_progress);
FStartScreen* CreateGenericStartScreen(int max_progress);
FStartScreen* GetGameStartScreen(int max_progress)
{
if (!Args->CheckParm("-nostartup"))
{
try
{
if (GameStartupInfo.Type == FStartupInfo::HexenStartup)
{
return CreateHexenStartScreen(max_progress);
}
else if (GameStartupInfo.Type == FStartupInfo::HereticStartup)
{
return CreateHereticStartScreen(max_progress);
}
else if (GameStartupInfo.Type == FStartupInfo::StrifeStartup)
{
return CreateStrifeStartScreen(max_progress);
}
}
catch(const CRecoverableError& err)
{
Printf("Error creating start screen: %s\n", err.what());
// fall through to the generic startup screen
}
//return CreateGenericStartScreen(max_progress);
}
return nullptr;
}
//==========================================================================
//
// ST_Util_ClearBlock
//
//==========================================================================
void FStartScreen::ClearBlock(FBitmap& bitmap_info, RgbQuad fill, int x, int y, int bytewidth, int height)
{
int destpitch = bitmap_info.GetWidth();
auto dest = (RgbQuad*)(bitmap_info.GetPixels()) + x + y * destpitch;
while (height > 0)
{
for(int i = 0; i < bytewidth; i++)
{
dest[i] = fill;
}
dest += destpitch;
height--;
}
}
//==========================================================================
//
// ST_Util_DrawTextScreen
//
// Draws the text screen to the bitmap. The bitmap must be the proper size
// for the font.
//
//==========================================================================
void FStartScreen::DrawTextScreen(FBitmap& bitmap_info, const uint8_t* text_screen)
{
int x, y;
for (y = 0; y < 25; ++y)
{
for (x = 0; x < 80; ++x)
{
DrawChar(bitmap_info, x, y, IBM437ToUnicode[text_screen[0]], text_screen[1]);
text_screen += 2;
}
}
}
//==========================================================================
//
// ST_Util_DrawChar
//
// Draws a character on the bitmap. X and Y specify the character cell,
// and fg and bg are 4-bit colors.
//
//==========================================================================
uint8_t* GetHexChar(int codepoint);
int FStartScreen::DrawChar(FBitmap& screen, double x, double y, unsigned charnum, RgbQuad fg, RgbQuad bg)
{
if (x < 0 || y < 0 || y >= screen.GetHeight() - 16) return 1;
static const uint8_t space[17] = { 16 };
const RgbQuad color_array[4] = { bg, fg };
const uint8_t* src = GetHexChar(charnum);
if (!src) src = space;
int size = (*src++) == 32? 2 : 1;
if (x > (screen.GetWidth() >> 3) - size) return size;
int pitch = screen.GetWidth();
RgbQuad* dest = (RgbQuad*)screen.GetPixels() + int(x * 8) + int(y * 16) * pitch;
for (y = 0; y <16; ++y)
{
uint8_t srcbyte = *src++;
dest[0] = color_array[(srcbyte >> 7) & 1];
dest[1] = color_array[(srcbyte >> 6) & 1];
dest[2] = color_array[(srcbyte >> 5) & 1];
dest[3] = color_array[(srcbyte >> 4) & 1];
dest[4] = color_array[(srcbyte >> 3) & 1];
dest[5] = color_array[(srcbyte >> 2) & 1];
dest[6] = color_array[(srcbyte >> 1) & 1];
dest[7] = color_array[(srcbyte) & 1];
if (size == 16)
{
srcbyte = *src++;
dest[8] = color_array[(srcbyte >> 7) & 1];
dest[9] = color_array[(srcbyte >> 6) & 1];
dest[10] = color_array[(srcbyte >> 5) & 1];
dest[11] = color_array[(srcbyte >> 4) & 1];
dest[12] = color_array[(srcbyte >> 3) & 1];
dest[13] = color_array[(srcbyte >> 2) & 1];
dest[14] = color_array[(srcbyte >> 1) & 1];
dest[15] = color_array[(srcbyte) & 1];
}
dest += pitch;
}
return size;
}
int FStartScreen::DrawChar(FBitmap& screen, double x, double y, unsigned charnum, uint8_t attrib)
{
const uint8_t bg = (attrib & 0x70) >> 4;
const uint8_t fg = attrib & 0x0F;
auto bgc = TextModePalette[bg], fgc = TextModePalette[fg];
return DrawChar(screen, x, y, charnum, fgc, bgc);
}
int FStartScreen::DrawString(FBitmap& screen, double x, double y, const char* text, RgbQuad fg, RgbQuad bg)
{
double oldx = x;
auto str = (const uint8_t*)text;
while (auto chr = GetCharFromString(str))
{
x += DrawChar(screen, x, y, chr, fg, bg);
}
return int(x - oldx);
}
//==========================================================================
//
// SizeOfText
//
// returns width in pixels
//
//==========================================================================
int FStartScreen::SizeOfText(const char* text)
{
int len = 0;
const uint8_t* utext = (uint8_t*)text;
while(auto code = GetCharFromString(utext))
{
const uint8_t* src = GetHexChar(code);
if (src && *src == 32) len += 2;
else len ++;
}
return len;
}
//==========================================================================
//
// ST_Util_UpdateTextBlink
//
// Draws the parts of the text screen that blink to the bitmap. The bitmap
// must be the proper size for the font.
//
//==========================================================================
void FStartScreen::UpdateTextBlink(FBitmap& bitmap_info, const uint8_t* text_screen, bool on)
{
int x, y;
for (y = 0; y < 25; ++y)
{
for (x = 0; x < 80; ++x)
{
if (text_screen[1] & 0x80)
{
DrawChar(bitmap_info, x, y, on ? IBM437ToUnicode[text_screen[0]] : ' ', text_screen[1]);
}
text_screen += 2;
}
}
}
//==========================================================================
//
// ST_Sound
//
// plays a sound on the start screen
//
//==========================================================================
void FStartScreen::ST_Sound(const char* sndname)
{
if (sysCallbacks.PlayStartupSound)
sysCallbacks.PlayStartupSound(sndname);
}
//==========================================================================
//
// CreateHeader
//
// creates a bitmap for the title header
//
//==========================================================================
void FStartScreen::CreateHeader()
{
HeaderBitmap.Create(StartupBitmap.GetWidth() * Scale, 2 * 16);
RgbQuad bcolor, fcolor;
bcolor.rgbRed = RPART(GameStartupInfo.BkColor);
bcolor.rgbGreen = GPART(GameStartupInfo.BkColor);
bcolor.rgbBlue = BPART(GameStartupInfo.BkColor);
bcolor.rgbReserved = 255;
fcolor.rgbRed = RPART(GameStartupInfo.FgColor);
fcolor.rgbGreen = GPART(GameStartupInfo.FgColor);
fcolor.rgbBlue = BPART(GameStartupInfo.FgColor);
fcolor.rgbReserved = 255;
ClearBlock(HeaderBitmap, bcolor, 0, 0, HeaderBitmap.GetWidth(), HeaderBitmap.GetHeight());
int textlen = SizeOfText(GameStartupInfo.Name);
DrawString(HeaderBitmap, (HeaderBitmap.GetWidth() >> 4) - (textlen >> 1), 0.5, GameStartupInfo.Name, fcolor, bcolor);
NetBitmap.Create(StartupBitmap.GetWidth() * Scale, 16);
}
//==========================================================================
//
// DrawNetStatus
//
// Draws network status into the last line of the startup screen.
//
//==========================================================================
void FStartScreen::DrawNetStatus(int found, int total)
{
RgbQuad black = { 0, 0, 0, 255 };
RgbQuad gray = { 100, 100, 100, 255 };
ClearBlock(NetBitmap, black, 0, NetBitmap.GetHeight() - 16, NetBitmap.GetWidth(), 16);
DrawString(NetBitmap, 0, 0, NetMessageString, gray, black);
char of[10];
mysnprintf(of, 10, "%d/%d", found, total);
int siz = SizeOfText(of);
DrawString(NetBitmap, (NetBitmap.GetWidth() >> 3) - siz, 0, of, gray, black);
}
//==========================================================================
//
// NetInit
//
// sets network status message
//
//==========================================================================
bool FStartScreen::NetInit(const char* message, int numplayers)
{
NetMaxPos = numplayers;
NetCurPos = 0;
NetMessageString.Format("%s %s", message, GStrings("TXT_NET_PRESSESC"));
NetProgress(1); // You always know about yourself
return true;
}
//==========================================================================
//
// Progress
//
// advances the progress bar
//
//==========================================================================
bool FStartScreen::DoProgress(int advance)
{
CurPos = min(CurPos + advance, MaxPos);
return true;
}
void FStartScreen::DoNetProgress(int count)
{
if (count == 0)
{
NetCurPos++;
}
else if (count > 0)
{
NetCurPos = count;
}
NetTexture->CleanHardwareData();
}
bool FStartScreen::Progress(int advance)
{
bool done = DoProgress(advance);
Render();
return done;
}
void FStartScreen::NetProgress(int count)
{
DoNetProgress(count);
Render();
}
void FStartScreen::Render(bool force)
{
auto nowtime = I_msTime();
// Do not refresh too often. This function gets called a lot more frequently than the screen can update.
if (nowtime - screen->FrameTime > 30 || force)
{
screen->FrameTime = nowtime;
screen->BeginFrame();
twod->ClearClipRect();
I_GetEvent();
ValidateTexture();
float displaywidth;
float displayheight;
twod->Begin(screen->GetWidth(), screen->GetHeight());
// At this point the shader for untextured rendering has not been loaded yet, so we got to clear the screen by rendering a texture with black color.
DrawTexture(twod, StartupTexture, 0, 0, DTA_VirtualWidthF, StartupTexture->GetDisplayWidth(), DTA_VirtualHeightF, StartupTexture->GetDisplayHeight(), DTA_KeepRatio, true, DTA_Color, PalEntry(255,0,0,0), TAG_END);
if (HeaderTexture)
{
displaywidth = HeaderTexture->GetDisplayWidth();
displayheight = HeaderTexture->GetDisplayHeight() + StartupTexture->GetDisplayHeight();
DrawTexture(twod, HeaderTexture, 0, 0, DTA_VirtualWidthF, displaywidth, DTA_VirtualHeightF, displayheight, TAG_END);
DrawTexture(twod, StartupTexture, 0, 32, DTA_VirtualWidthF, displaywidth, DTA_VirtualHeightF, displayheight, TAG_END);
if (NetMaxPos >= 0) DrawTexture(twod, NetTexture, 0, displayheight - 16, DTA_VirtualWidthF, displaywidth, DTA_VirtualHeightF, displayheight, TAG_END);
}
else
{
displaywidth = StartupTexture->GetDisplayWidth();
displayheight = StartupTexture->GetDisplayHeight();
DrawTexture(twod, StartupTexture, 0, 0, DTA_VirtualWidthF, displaywidth, DTA_VirtualHeightF, displayheight, TAG_END);
}
twod->End();
screen->Update();
twod->OnFrameDone();
}
}
FImageSource* CreateStartScreenTexture(FBitmap& srcdata);
void FStartScreen::ValidateTexture()
{
if (StartupTexture == nullptr)
{
auto imgsource = CreateStartScreenTexture(StartupBitmap);
StartupTexture = MakeGameTexture(new FImageTexture(imgsource), nullptr, ETextureType::Override);
StartupTexture->SetScale(1.f / Scale, 1.f / Scale);
}
if (HeaderTexture == nullptr && HeaderBitmap.GetWidth() > 0)
{
auto imgsource = CreateStartScreenTexture(HeaderBitmap);
HeaderTexture = MakeGameTexture(new FImageTexture(imgsource), nullptr, ETextureType::Override);
}
if (NetTexture == nullptr && NetBitmap.GetWidth() > 0)
{
auto imgsource = CreateStartScreenTexture(NetBitmap);
NetTexture = MakeGameTexture(new FImageTexture(imgsource), nullptr, ETextureType::Override);
}
}
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