ui_atoms.c

3D 游戏界的大牛人 John Carmack 终于放出了 Q3 的源代码

}

/*
=================
UI_DrawString2
=================
*/
static void UI_DrawString2( int x, int y, const char* str, vec4_t color, int charw, int charh )
{
	const char* s;
	char	ch;
	int forceColor = qfalse; //APSFIXME;
	vec4_t	tempcolor;
	float	ax;
	float	ay;
	float	aw;
	float	ah;
	float	frow;
	float	fcol;

	if (y < -charh)
		// offscreen
		return;

	// draw the colored text
	trap_R_SetColor( color );
	
	ax = x * uis.scale + uis.bias;
	ay = y * uis.scale;
	aw = charw * uis.scale;
	ah = charh * uis.scale;

	s = str;
	while ( *s )
	{
		if ( Q_IsColorString( s ) )
		{
			if ( !forceColor )
			{
				memcpy( tempcolor, g_color_table[ColorIndex(s[1])], sizeof( tempcolor ) );
				tempcolor[3] = color[3];
				trap_R_SetColor( tempcolor );
			}
			s += 2;
			continue;
		}

		ch = *s & 255;
		if (ch != ' ')
		{
			frow = (ch>>4)*0.0625;
			fcol = (ch&15)*0.0625;
			trap_R_DrawStretchPic( ax, ay, aw, ah, fcol, frow, fcol + 0.0625, frow + 0.0625, uis.charset );
		}

		ax += aw;
		s++;
	}

	trap_R_SetColor( NULL );
}

/*
=================
UI_DrawString
=================
*/
void UI_DrawString( int x, int y, const char* str, int style, vec4_t color )
{
	int		len;
	int		charw;
	int		charh;
	vec4_t	newcolor;
	vec4_t	lowlight;
	float	*drawcolor;
	vec4_t	dropcolor;

	if( !str ) {
		return;
	}

	if ((style & UI_BLINK) && ((uis.realtime/BLINK_DIVISOR) & 1))
		return;

	if (style & UI_SMALLFONT)
	{
		charw =	SMALLCHAR_WIDTH;
		charh =	SMALLCHAR_HEIGHT;
	}
	else if (style & UI_GIANTFONT)
	{
		charw =	GIANTCHAR_WIDTH;
		charh =	GIANTCHAR_HEIGHT;
	}
	else
	{
		charw =	BIGCHAR_WIDTH;
		charh =	BIGCHAR_HEIGHT;
	}

	if (style & UI_PULSE)
	{
		lowlight[0] = 0.8*color[0]; 
		lowlight[1] = 0.8*color[1];
		lowlight[2] = 0.8*color[2];
		lowlight[3] = 0.8*color[3];
		UI_LerpColor(color,lowlight,newcolor,0.5+0.5*sin(uis.realtime/PULSE_DIVISOR));
		drawcolor = newcolor;
	}	
	else
		drawcolor = color;

	switch (style & UI_FORMATMASK)
	{
		case UI_CENTER:
			// center justify at x
			len = strlen(str);
			x   = x - len*charw/2;
			break;

		case UI_RIGHT:
			// right justify at x
			len = strlen(str);
			x   = x - len*charw;
			break;

		default:
			// left justify at x
			break;
	}

	if ( style & UI_DROPSHADOW )
	{
		dropcolor[0] = dropcolor[1] = dropcolor[2] = 0;
		dropcolor[3] = drawcolor[3];
		UI_DrawString2(x+2,y+2,str,dropcolor,charw,charh);
	}

	UI_DrawString2(x,y,str,drawcolor,charw,charh);
}

/*
=================
UI_DrawChar
=================
*/
void UI_DrawChar( int x, int y, int ch, int style, vec4_t color )
{
	char	buff[2];

	buff[0] = ch;
	buff[1] = '\0';

	UI_DrawString( x, y, buff, style, color );
}

qboolean UI_IsFullscreen( void ) {
	if ( uis.activemenu && ( trap_Key_GetCatcher() & KEYCATCH_UI ) ) {
		return uis.activemenu->fullscreen;
	}

	return qfalse;
}

static void NeedCDAction( qboolean result ) {
	if ( !result ) {
		trap_Cmd_ExecuteText( EXEC_APPEND, "quit\n" );
	}
}

static void NeedCDKeyAction( qboolean result ) {
	if ( !result ) {
		trap_Cmd_ExecuteText( EXEC_APPEND, "quit\n" );
	}
}

void UI_SetActiveMenu( uiMenuCommand_t menu ) {
	// this should be the ONLY way the menu system is brought up
	// enusure minumum menu data is cached
	Menu_Cache();

	switch ( menu ) {
	case UIMENU_NONE:
		UI_ForceMenuOff();
		return;
	case UIMENU_MAIN:
		UI_MainMenu();
		return;
	case UIMENU_NEED_CD:
		UI_ConfirmMenu( "Insert the CD", (voidfunc_f)NULL, NeedCDAction );
		return;
	case UIMENU_BAD_CD_KEY:
		UI_ConfirmMenu( "Bad CD Key", (voidfunc_f)NULL, NeedCDKeyAction );
		return;
	case UIMENU_INGAME:
		/*
		//GRank
		UI_RankingsMenu();
		return;
		*/
		trap_Cvar_Set( "cl_paused", "1" );
		UI_InGameMenu();
		return;
		
	// bk001204
	case UIMENU_TEAM:
	case UIMENU_POSTGAME:
	default:
#ifndef NDEBUG
	  Com_Printf("UI_SetActiveMenu: bad enum %d\n", menu );
#endif
	  break;
	}
}

/*
=================
UI_KeyEvent
=================
*/
void UI_KeyEvent( int key, int down ) {
	sfxHandle_t		s;

	if (!uis.activemenu) {
		return;
	}

	if (!down) {
		return;
	}

	if (uis.activemenu->key)
		s = uis.activemenu->key( key );
	else
		s = Menu_DefaultKey( uis.activemenu, key );

	if ((s > 0) && (s != menu_null_sound))
		trap_S_StartLocalSound( s, CHAN_LOCAL_SOUND );
}

/*
=================
UI_MouseEvent
=================
*/
void UI_MouseEvent( int dx, int dy )
{
	int				i;
	menucommon_s*	m;

	if (!uis.activemenu)
		return;

	// update mouse screen position
	uis.cursorx += dx;
	if (uis.cursorx < 0)
		uis.cursorx = 0;
	else if (uis.cursorx > SCREEN_WIDTH)
		uis.cursorx = SCREEN_WIDTH;

	uis.cursory += dy;
	if (uis.cursory < 0)
		uis.cursory = 0;
	else if (uis.cursory > SCREEN_HEIGHT)
		uis.cursory = SCREEN_HEIGHT;

	// region test the active menu items
	for (i=0; i<uis.activemenu->nitems; i++)
	{
		m = (menucommon_s*)uis.activemenu->items[i];

		if (m->flags & (QMF_GRAYED|QMF_INACTIVE))
			continue;

		if ((uis.cursorx < m->left) ||
			(uis.cursorx > m->right) ||
			(uis.cursory < m->top) ||
			(uis.cursory > m->bottom))
		{
			// cursor out of item bounds
			continue;
		}

		// set focus to item at cursor
		if (uis.activemenu->cursor != i)
		{
			Menu_SetCursor( uis.activemenu, i );
			((menucommon_s*)(uis.activemenu->items[uis.activemenu->cursor_prev]))->flags &= ~QMF_HASMOUSEFOCUS;

			if ( !(((menucommon_s*)(uis.activemenu->items[uis.activemenu->cursor]))->flags & QMF_SILENT ) ) {
				trap_S_StartLocalSound( menu_move_sound, CHAN_LOCAL_SOUND );
			}
		}

		((menucommon_s*)(uis.activemenu->items[uis.activemenu->cursor]))->flags |= QMF_HASMOUSEFOCUS;
		return;
	}  

	if (uis.activemenu->nitems > 0) {
		// out of any region
		((menucommon_s*)(uis.activemenu->items[uis.activemenu->cursor]))->flags &= ~QMF_HASMOUSEFOCUS;
	}
}

char *UI_Argv( int arg ) {
	static char	buffer[MAX_STRING_CHARS];

	trap_Argv( arg, buffer, sizeof( buffer ) );

	return buffer;
}


char *UI_Cvar_VariableString( const char *var_name ) {
	static char	buffer[MAX_STRING_CHARS];

	trap_Cvar_VariableStringBuffer( var_name, buffer, sizeof( buffer ) );

	return buffer;
}


/*
=================
UI_Cache
=================
*/
void UI_Cache_f( void ) {
	MainMenu_Cache();
	InGame_Cache();
	ConfirmMenu_Cache();
	PlayerModel_Cache();
	PlayerSettings_Cache();
	Controls_Cache();
	Demos_Cache();
	UI_CinematicsMenu_Cache();
	Preferences_Cache();
	ServerInfo_Cache();
	SpecifyServer_Cache();
	ArenaServers_Cache();
	StartServer_Cache();
	ServerOptions_Cache();
	DriverInfo_Cache();
	GraphicsOptions_Cache();
	UI_DisplayOptionsMenu_Cache();
	UI_SoundOptionsMenu_Cache();
	UI_NetworkOptionsMenu_Cache();
	UI_SPLevelMenu_Cache();
	UI_SPSkillMenu_Cache();
	UI_SPPostgameMenu_Cache();
	TeamMain_Cache();
	UI_AddBots_Cache();
	UI_RemoveBots_Cache();
	UI_SetupMenu_Cache();
//	UI_LoadConfig_Cache();
//	UI_SaveConfigMenu_Cache();
	UI_BotSelectMenu_Cache();
	UI_CDKeyMenu_Cache();
	UI_ModsMenu_Cache();

}


/*
=================
UI_ConsoleCommand
=================
*/
qboolean UI_ConsoleCommand( int realTime ) {
	char	*cmd;

	cmd = UI_Argv( 0 );

	// ensure minimum menu data is available
	Menu_Cache();

	if ( Q_stricmp (cmd, "levelselect") == 0 ) {
		UI_SPLevelMenu_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "postgame") == 0 ) {
		UI_SPPostgameMenu_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "ui_cache") == 0 ) {
		UI_Cache_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "ui_cinematics") == 0 ) {
		UI_CinematicsMenu_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "ui_teamOrders") == 0 ) {
		UI_TeamOrdersMenu_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "iamacheater") == 0 ) {
		UI_SPUnlock_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "iamamonkey") == 0 ) {
		UI_SPUnlockMedals_f();
		return qtrue;
	}

	if ( Q_stricmp (cmd, "ui_cdkey") == 0 ) {
		UI_CDKeyMenu_f();
		return qtrue;
	}

	return qfalse;
}

/*
=================
UI_Shutdown
=================
*/
void UI_Shutdown( void ) {
}

/*
=================
UI_Init
=================
*/
void UI_Init( void ) {
	UI_RegisterCvars();

	UI_InitGameinfo();

	// cache redundant calulations
	trap_GetGlconfig( &uis.glconfig );

	// for 640x480 virtualized screen
	uis.scale = uis.glconfig.vidHeight * (1.0/480.0);
	if ( uis.glconfig.vidWidth * 480 > uis.glconfig.vidHeight * 640 ) {
		// wide screen
		uis.bias = 0.5 * ( uis.glconfig.vidWidth - ( uis.glconfig.vidHeight * (640.0/480.0) ) );
	}
	else {
		// no wide screen
		uis.bias = 0;
	}

	// initialize the menu system
	Menu_Cache();

	uis.activemenu = NULL;
	uis.menusp     = 0;
}

/*
================
UI_AdjustFrom640

Adjusted for resolution and screen aspect ratio
================
*/
void UI_AdjustFrom640( float *x, float *y, float *w, float *h ) {
	// expect valid pointers
	*x = *x * uis.scale + uis.bias;
	*y *= uis.scale;
	*w *= uis.scale;
	*h *= uis.scale;
}

void UI_DrawNamedPic( float x, float y, float width, float height, const char *picname ) {
	qhandle_t	hShader;

	hShader = trap_R_RegisterShaderNoMip( picname );
	UI_AdjustFrom640( &x, &y, &width, &height );
	trap_R_DrawStretchPic( x, y, width, height, 0, 0, 1, 1, hShader );
}

void UI_DrawHandlePic( float x, float y, float w, float h, qhandle_t hShader ) {
	float	s0;
	float	s1;
	float	t0;
	float	t1;

	if( w < 0 ) {	// flip about vertical
		w  = -w;
		s0 = 1;
		s1 = 0;
	}
	else {
		s0 = 0;
		s1 = 1;
	}

	if( h < 0 ) {	// flip about horizontal
		h  = -h;
		t0 = 1;
		t1 = 0;
	}
	else {
		t0 = 0;
		t1 = 1;
	}
	
	UI_AdjustFrom640( &x, &y, &w, &h );
	trap_R_DrawStretchPic( x, y, w, h, s0, t0, s1, t1, hShader );
}

/*
================
UI_FillRect

Coordinates are 640*480 virtual values
=================
*/
void UI_FillRect( float x, float y, float width, float height, const float *color ) {
	trap_R_SetColor( color );

	UI_AdjustFrom640( &x, &y, &width, &height );
	trap_R_DrawStretchPic( x, y, width, height, 0, 0, 0, 0, uis.whiteShader );

	trap_R_SetColor( NULL );
}

/*
================
UI_DrawRect

Coordinates are 640*480 virtual values
=================
*/
void UI_DrawRect( float x, float y, float width, float height, const float *color ) {
	trap_R_SetColor( color );

	UI_AdjustFrom640( &x, &y, &width, &height );

	trap_R_DrawStretchPic( x, y, width, 1, 0, 0, 0, 0, uis.whiteShader );
	trap_R_DrawStretchPic( x, y, 1, height, 0, 0, 0, 0, uis.whiteShader );
	trap_R_DrawStretchPic( x, y + height - 1, width, 1, 0, 0, 0, 0, uis.whiteShader );
	trap_R_DrawStretchPic( x + width - 1, y, 1, height, 0, 0, 0, 0, uis.whiteShader );

	trap_R_SetColor( NULL );
}

void UI_SetColor( const float *rgba ) {
	trap_R_SetColor( rgba );
}

void UI_UpdateScreen( void ) {
	trap_UpdateScreen();
}

/*
=================
UI_Refresh
=================
*/
void UI_Refresh( int realtime )
{
	uis.frametime = realtime - uis.realtime;
	uis.realtime  = realtime;

	if ( !( trap_Key_GetCatcher() & KEYCATCH_UI ) ) {
		return;
	}

	UI_UpdateCvars();

	if ( uis.activemenu )
	{
		if (uis.activemenu->fullscreen)
		{
			// draw the background
			if( uis.activemenu->showlogo ) {
				UI_DrawHandlePic( 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, uis.menuBackShader );
			}
			else {
				UI_DrawHandlePic( 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, uis.menuBackNoLogoShader );
			}
		}

		if (uis.activemenu->draw)
			uis.activemenu->draw();
		else
			Menu_Draw( uis.activemenu );

		if( uis.firstdraw ) {
			UI_MouseEvent( 0, 0 );
			uis.firstdraw = qfalse;
		}
	}

	// draw cursor
	UI_SetColor( NULL );
	UI_DrawHandlePic( uis.cursorx-16, uis.cursory-16, 32, 32, uis.cursor);

#ifndef NDEBUG
	if (uis.debug)
	{
		// cursor coordinates
		UI_DrawString( 0, 0, va("(%d,%d)",uis.cursorx,uis.cursory), UI_LEFT|UI_SMALLFONT, colorRed );
	}
#endif

	// delay playing the enter sound until after the
	// menu has been drawn, to avoid delay while
	// caching images
	if (m_entersound)
	{
		trap_S_StartLocalSound( menu_in_sound, CHAN_LOCAL_SOUND );
		m_entersound = qfalse;
	}
}

void UI_DrawTextBox (int x, int y, int width, int lines)
{
	UI_FillRect( x + BIGCHAR_WIDTH/2, y + BIGCHAR_HEIGHT/2, ( width + 1 ) * BIGCHAR_WIDTH, ( lines + 1 ) * BIGCHAR_HEIGHT, colorBlack );
	UI_DrawRect( x + BIGCHAR_WIDTH/2, y + BIGCHAR_HEIGHT/2, ( width + 1 ) * BIGCHAR_WIDTH, ( lines + 1 ) * BIGCHAR_HEIGHT, colorWhite );
}

qboolean UI_CursorInRect (int x, int y, int width, int height)
{
	if (uis.cursorx < x ||
		uis.cursory < y ||
		uis.cursorx > x+width ||
		uis.cursory > y+height)
		return qfalse;

	return qtrue;
}