* Copied ioq3 src to trunk

1 files changed, 547 insertions, 0 deletions

diff --git a/src/client/cl_scrn.c b/src/client/cl_scrn.c
new file mode 100644
index 00000000..f72ede26
--- /dev/null
+++ b/src/client/cl_scrn.c
@@ -0,0 +1,547 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+// cl_scrn.c -- master for refresh, status bar, console, chat, notify, etc
+
+#include "client.h"
+
+qboolean	scr_initialized;		// ready to draw
+
+cvar_t		*cl_timegraph;
+cvar_t		*cl_debuggraph;
+cvar_t		*cl_graphheight;
+cvar_t		*cl_graphscale;
+cvar_t		*cl_graphshift;
+
+/*
+================
+SCR_DrawNamedPic
+
+Coordinates are 640*480 virtual values
+=================
+*/
+void SCR_DrawNamedPic( float x, float y, float width, float height, const char *picname ) {
+	qhandle_t	hShader;
+
+	assert( width != 0 );
+
+	hShader = re.RegisterShader( picname );
+	SCR_AdjustFrom640( &x, &y, &width, &height );
+	re.DrawStretchPic( x, y, width, height, 0, 0, 1, 1, hShader );
+}
+
+
+/*
+================
+SCR_AdjustFrom640
+
+Adjusted for resolution and screen aspect ratio
+================
+*/
+void SCR_AdjustFrom640( float *x, float *y, float *w, float *h ) {
+	float	xscale;
+	float	yscale;
+
+#if 0
+		// adjust for wide screens
+		if ( cls.glconfig.vidWidth * 480 > cls.glconfig.vidHeight * 640 ) {
+			*x += 0.5 * ( cls.glconfig.vidWidth - ( cls.glconfig.vidHeight * 640 / 480 ) );
+		}
+#endif
+
+	// scale for screen sizes
+	xscale = cls.glconfig.vidWidth / 640.0;
+	yscale = cls.glconfig.vidHeight / 480.0;
+	if ( x ) {
+		*x *= xscale;
+	}
+	if ( y ) {
+		*y *= yscale;
+	}
+	if ( w ) {
+		*w *= xscale;
+	}
+	if ( h ) {
+		*h *= yscale;
+	}
+}
+
+/*
+================
+SCR_FillRect
+
+Coordinates are 640*480 virtual values
+=================
+*/
+void SCR_FillRect( float x, float y, float width, float height, const float *color ) {
+	re.SetColor( color );
+
+	SCR_AdjustFrom640( &x, &y, &width, &height );
+	re.DrawStretchPic( x, y, width, height, 0, 0, 0, 0, cls.whiteShader );
+
+	re.SetColor( NULL );
+}
+
+
+/*
+================
+SCR_DrawPic
+
+Coordinates are 640*480 virtual values
+=================
+*/
+void SCR_DrawPic( float x, float y, float width, float height, qhandle_t hShader ) {
+	SCR_AdjustFrom640( &x, &y, &width, &height );
+	re.DrawStretchPic( x, y, width, height, 0, 0, 1, 1, hShader );
+}
+
+
+
+/*
+** SCR_DrawChar
+** chars are drawn at 640*480 virtual screen size
+*/
+static void SCR_DrawChar( int x, int y, float size, int ch ) {
+	int row, col;
+	float frow, fcol;
+	float	ax, ay, aw, ah;
+
+	ch &= 255;
+
+	if ( ch == ' ' ) {
+		return;
+	}
+
+	if ( y < -size ) {
+		return;
+	}
+
+	ax = x;
+	ay = y;
+	aw = size;
+	ah = size;
+	SCR_AdjustFrom640( &ax, &ay, &aw, &ah );
+
+	row = ch>>4;
+	col = ch&15;
+
+	frow = row*0.0625;
+	fcol = col*0.0625;
+	size = 0.0625;
+
+	re.DrawStretchPic( ax, ay, aw, ah,
+					   fcol, frow, 
+					   fcol + size, frow + size, 
+					   cls.charSetShader );
+}
+
+/*
+** SCR_DrawSmallChar
+** small chars are drawn at native screen resolution
+*/
+void SCR_DrawSmallChar( int x, int y, int ch ) {
+	int row, col;
+	float frow, fcol;
+	float size;
+
+	ch &= 255;
+
+	if ( ch == ' ' ) {
+		return;
+	}
+
+	if ( y < -SMALLCHAR_HEIGHT ) {
+		return;
+	}
+
+	row = ch>>4;
+	col = ch&15;
+
+	frow = row*0.0625;
+	fcol = col*0.0625;
+	size = 0.0625;
+
+	re.DrawStretchPic( x, y, SMALLCHAR_WIDTH, SMALLCHAR_HEIGHT,
+					   fcol, frow, 
+					   fcol + size, frow + size, 
+					   cls.charSetShader );
+}
+
+
+/*
+==================
+SCR_DrawBigString[Color]
+
+Draws a multi-colored string with a drop shadow, optionally forcing
+to a fixed color.
+
+Coordinates are at 640 by 480 virtual resolution
+==================
+*/
+void SCR_DrawStringExt( int x, int y, float size, const char *string, float *setColor, qboolean forceColor ) {
+	vec4_t		color;
+	const char	*s;
+	int			xx;
+
+	// draw the drop shadow
+	color[0] = color[1] = color[2] = 0;
+	color[3] = setColor[3];
+	re.SetColor( color );
+	s = string;
+	xx = x;
+	while ( *s ) {
+		if ( Q_IsColorString( s ) ) {
+			s += 2;
+			continue;
+		}
+		SCR_DrawChar( xx+2, y+2, size, *s );
+		xx += size;
+		s++;
+	}
+
+
+	// draw the colored text
+	s = string;
+	xx = x;
+	re.SetColor( setColor );
+	while ( *s ) {
+		if ( Q_IsColorString( s ) ) {
+			if ( !forceColor ) {
+				Com_Memcpy( color, g_color_table[ColorIndex(*(s+1))], sizeof( color ) );
+				color[3] = setColor[3];
+				re.SetColor( color );
+			}
+			s += 2;
+			continue;
+		}
+		SCR_DrawChar( xx, y, size, *s );
+		xx += size;
+		s++;
+	}
+	re.SetColor( NULL );
+}
+
+
+void SCR_DrawBigString( int x, int y, const char *s, float alpha ) {
+	float	color[4];
+
+	color[0] = color[1] = color[2] = 1.0;
+	color[3] = alpha;
+	SCR_DrawStringExt( x, y, BIGCHAR_WIDTH, s, color, qfalse );
+}
+
+void SCR_DrawBigStringColor( int x, int y, const char *s, vec4_t color ) {
+	SCR_DrawStringExt( x, y, BIGCHAR_WIDTH, s, color, qtrue );
+}
+
+
+/*
+==================
+SCR_DrawSmallString[Color]
+
+Draws a multi-colored string with a drop shadow, optionally forcing
+to a fixed color.
+
+Coordinates are at 640 by 480 virtual resolution
+==================
+*/
+void SCR_DrawSmallStringExt( int x, int y, const char *string, float *setColor, qboolean forceColor ) {
+	vec4_t		color;
+	const char	*s;
+	int			xx;
+
+	// draw the colored text
+	s = string;
+	xx = x;
+	re.SetColor( setColor );
+	while ( *s ) {
+		if ( Q_IsColorString( s ) ) {
+			if ( !forceColor ) {
+				Com_Memcpy( color, g_color_table[ColorIndex(*(s+1))], sizeof( color ) );
+				color[3] = setColor[3];
+				re.SetColor( color );
+			}
+			s += 2;
+			continue;
+		}
+		SCR_DrawSmallChar( xx, y, *s );
+		xx += SMALLCHAR_WIDTH;
+		s++;
+	}
+	re.SetColor( NULL );
+}
+
+
+
+/*
+** SCR_Strlen -- skips color escape codes
+*/
+static int SCR_Strlen( const char *str ) {
+	const char *s = str;
+	int count = 0;
+
+	while ( *s ) {
+		if ( Q_IsColorString( s ) ) {
+			s += 2;
+		} else {
+			count++;
+			s++;
+		}
+	}
+
+	return count;
+}
+
+/*
+** SCR_GetBigStringWidth
+*/ 
+int	SCR_GetBigStringWidth( const char *str ) {
+	return SCR_Strlen( str ) * 16;
+}
+
+
+//===============================================================================
+
+/*
+=================
+SCR_DrawDemoRecording
+=================
+*/
+void SCR_DrawDemoRecording( void ) {
+	char	string[1024];
+	int		pos;
+
+	if ( !clc.demorecording ) {
+		return;
+	}
+	if ( clc.spDemoRecording ) {
+		return;
+	}
+
+	pos = FS_FTell( clc.demofile );
+	sprintf( string, "RECORDING %s: %ik", clc.demoName, pos / 1024 );
+
+	SCR_DrawStringExt( 320 - strlen( string ) * 4, 20, 8, string, g_color_table[7], qtrue );
+}
+
+
+/*
+===============================================================================
+
+DEBUG GRAPH
+
+===============================================================================
+*/
+
+typedef struct
+{
+	float	value;
+	int		color;
+} graphsamp_t;
+
+static	int			current;
+static	graphsamp_t	values[1024];
+
+/*
+==============
+SCR_DebugGraph
+==============
+*/
+void SCR_DebugGraph (float value, int color)
+{
+	values[current&1023].value = value;
+	values[current&1023].color = color;
+	current++;
+}
+
+/*
+==============
+SCR_DrawDebugGraph
+==============
+*/
+void SCR_DrawDebugGraph (void)
+{
+	int		a, x, y, w, i, h;
+	float	v;
+	int		color;
+
+	//
+	// draw the graph
+	//
+	w = cls.glconfig.vidWidth;
+	x = 0;
+	y = cls.glconfig.vidHeight;
+	re.SetColor( g_color_table[0] );
+	re.DrawStretchPic(x, y - cl_graphheight->integer, 
+		w, cl_graphheight->integer, 0, 0, 0, 0, cls.whiteShader );
+	re.SetColor( NULL );
+
+	for (a=0 ; a<w ; a++)
+	{
+		i = (current-1-a+1024) & 1023;
+		v = values[i].value;
+		color = values[i].color;
+		v = v * cl_graphscale->integer + cl_graphshift->integer;
+		
+		if (v < 0)
+			v += cl_graphheight->integer * (1+(int)(-v / cl_graphheight->integer));
+		h = (int)v % cl_graphheight->integer;
+		re.DrawStretchPic( x+w-1-a, y - h, 1, h, 0, 0, 0, 0, cls.whiteShader );
+	}
+}
+
+//=============================================================================
+
+/*
+==================
+SCR_Init
+==================
+*/
+void SCR_Init( void ) {
+	cl_timegraph = Cvar_Get ("timegraph", "0", CVAR_CHEAT);
+	cl_debuggraph = Cvar_Get ("debuggraph", "0", CVAR_CHEAT);
+	cl_graphheight = Cvar_Get ("graphheight", "32", CVAR_CHEAT);
+	cl_graphscale = Cvar_Get ("graphscale", "1", CVAR_CHEAT);
+	cl_graphshift = Cvar_Get ("graphshift", "0", CVAR_CHEAT);
+
+	scr_initialized = qtrue;
+}
+
+
+//=======================================================
+
+/*
+==================
+SCR_DrawScreenField
+
+This will be called twice if rendering in stereo mode
+==================
+*/
+void SCR_DrawScreenField( stereoFrame_t stereoFrame ) {
+	re.BeginFrame( stereoFrame );
+
+	// wide aspect ratio screens need to have the sides cleared
+	// unless they are displaying game renderings
+	if ( cls.state != CA_ACTIVE ) {
+		if ( cls.glconfig.vidWidth * 480 > cls.glconfig.vidHeight * 640 ) {
+			re.SetColor( g_color_table[0] );
+			re.DrawStretchPic( 0, 0, cls.glconfig.vidWidth, cls.glconfig.vidHeight, 0, 0, 0, 0, cls.whiteShader );
+			re.SetColor( NULL );
+		}
+	}
+
+	if ( !uivm ) {
+		Com_DPrintf("draw screen without UI loaded\n");
+		return;
+	}
+
+	// if the menu is going to cover the entire screen, we
+	// don't need to render anything under it
+	if ( !VM_Call( uivm, UI_IS_FULLSCREEN )) {
+		switch( cls.state ) {
+		default:
+			Com_Error( ERR_FATAL, "SCR_DrawScreenField: bad cls.state" );
+			break;
+		case CA_CINEMATIC:
+			SCR_DrawCinematic();
+			break;
+		case CA_DISCONNECTED:
+			// force menu up
+			S_StopAllSounds();
+			VM_Call( uivm, UI_SET_ACTIVE_MENU, UIMENU_MAIN );
+			break;
+		case CA_CONNECTING:
+		case CA_CHALLENGING:
+		case CA_CONNECTED:
+			// connecting clients will only show the connection dialog
+			// refresh to update the time
+			VM_Call( uivm, UI_REFRESH, cls.realtime );
+			VM_Call( uivm, UI_DRAW_CONNECT_SCREEN, qfalse );
+			break;
+		case CA_LOADING:
+		case CA_PRIMED:
+			// draw the game information screen and loading progress
+			CL_CGameRendering( stereoFrame );
+
+			// also draw the connection information, so it doesn't
+			// flash away too briefly on local or lan games
+			// refresh to update the time
+			VM_Call( uivm, UI_REFRESH, cls.realtime );
+			VM_Call( uivm, UI_DRAW_CONNECT_SCREEN, qtrue );
+			break;
+		case CA_ACTIVE:
+			CL_CGameRendering( stereoFrame );
+			SCR_DrawDemoRecording();
+			break;
+		}
+	}
+
+	// the menu draws next
+	if ( cls.keyCatchers & KEYCATCH_UI && uivm ) {
+		VM_Call( uivm, UI_REFRESH, cls.realtime );
+	}
+
+	// console draws next
+	Con_DrawConsole ();
+
+	// debug graph can be drawn on top of anything
+	if ( cl_debuggraph->integer || cl_timegraph->integer || cl_debugMove->integer ) {
+		SCR_DrawDebugGraph ();
+	}
+}
+
+/*
+==================
+SCR_UpdateScreen
+
+This is called every frame, and can also be called explicitly to flush
+text to the screen.
+==================
+*/
+void SCR_UpdateScreen( void ) {
+	static int	recursive;
+
+	if ( !scr_initialized ) {
+		return;				// not initialized yet
+	}
+
+	if ( ++recursive > 2 ) {
+		Com_Error( ERR_FATAL, "SCR_UpdateScreen: recursively called" );
+	}
+	recursive = 1;
+
+	// if running in stereo, we need to draw the frame twice
+	if ( cls.glconfig.stereoEnabled ) {
+		SCR_DrawScreenField( STEREO_LEFT );
+		SCR_DrawScreenField( STEREO_RIGHT );
+	} else {
+		SCR_DrawScreenField( STEREO_CENTER );
+	}
+
+	if ( com_speeds->integer ) {
+		re.EndFrame( &time_frontend, &time_backend );
+	} else {
+		re.EndFrame( NULL, NULL );
+	}
+
+	recursive = 0;
+}
+