cg_draw.c

quakeIII源码这个不用我多说吧

	s1 = cgs.scores1;
	s2 = cgs.scores2;

	y -=  BIGCHAR_HEIGHT + 8;

	y1 = y;

	// draw from the right side to left
	if ( cgs.gametype >= GT_TEAM ) {
		x = 640;
		color[0] = 0.0f;
		color[1] = 0.0f;
		color[2] = 1.0f;
		color[3] = 0.33f;
		s = va( "%2i", s2 );
		w = CG_DrawStrlen( s ) * BIGCHAR_WIDTH + 8;
		x -= w;
		CG_FillRect( x, y-4,  w, BIGCHAR_HEIGHT+8, color );
		if ( cg.snap->ps.persistant[PERS_TEAM] == TEAM_BLUE ) {
			CG_DrawPic( x, y-4, w, BIGCHAR_HEIGHT+8, cgs.media.selectShader );
		}
		CG_DrawBigString( x + 4, y, s, 1.0F);

		if ( cgs.gametype == GT_CTF ) {
			// Display flag status
			item = BG_FindItemForPowerup( PW_BLUEFLAG );

			if (item) {
				y1 = y - BIGCHAR_HEIGHT - 8;
				if( cgs.blueflag >= 0 && cgs.blueflag <= 2 ) {
					CG_DrawPic( x, y1-4, w, BIGCHAR_HEIGHT+8, cgs.media.blueFlagShader[cgs.blueflag] );
				}
			}
		}
		color[0] = 1.0f;
		color[1] = 0.0f;
		color[2] = 0.0f;
		color[3] = 0.33f;
		s = va( "%2i", s1 );
		w = CG_DrawStrlen( s ) * BIGCHAR_WIDTH + 8;
		x -= w;
		CG_FillRect( x, y-4,  w, BIGCHAR_HEIGHT+8, color );
		if ( cg.snap->ps.persistant[PERS_TEAM] == TEAM_RED ) {
			CG_DrawPic( x, y-4, w, BIGCHAR_HEIGHT+8, cgs.media.selectShader );
		}
		CG_DrawBigString( x + 4, y, s, 1.0F);

		if ( cgs.gametype == GT_CTF ) {
			// Display flag status
			item = BG_FindItemForPowerup( PW_REDFLAG );

			if (item) {
				y1 = y - BIGCHAR_HEIGHT - 8;
				if( cgs.redflag >= 0 && cgs.redflag <= 2 ) {
					CG_DrawPic( x, y1-4, w, BIGCHAR_HEIGHT+8, cgs.media.redFlagShader[cgs.redflag] );
				}
			}
		}

#ifdef MISSIONPACK
		if ( cgs.gametype == GT_1FCTF ) {
			// Display flag status
			item = BG_FindItemForPowerup( PW_NEUTRALFLAG );

			if (item) {
				y1 = y - BIGCHAR_HEIGHT - 8;
				if( cgs.flagStatus >= 0 && cgs.flagStatus <= 3 ) {
					CG_DrawPic( x, y1-4, w, BIGCHAR_HEIGHT+8, cgs.media.flagShader[cgs.flagStatus] );
				}
			}
		}
#endif
		if ( cgs.gametype >= GT_CTF ) {
			v = cgs.capturelimit;
		} else {
			v = cgs.fraglimit;
		}
		if ( v ) {
			s = va( "%2i", v );
			w = CG_DrawStrlen( s ) * BIGCHAR_WIDTH + 8;
			x -= w;
			CG_DrawBigString( x + 4, y, s, 1.0F);
		}

	} else {
		qboolean	spectator;

		x = 640;
		score = cg.snap->ps.persistant[PERS_SCORE];
		spectator = ( cg.snap->ps.persistant[PERS_TEAM] == TEAM_SPECTATOR );

		// always show your score in the second box if not in first place
		if ( s1 != score ) {
			s2 = score;
		}
		if ( s2 != SCORE_NOT_PRESENT ) {
			s = va( "%2i", s2 );
			w = CG_DrawStrlen( s ) * BIGCHAR_WIDTH + 8;
			x -= w;
			if ( !spectator && score == s2 && score != s1 ) {
				color[0] = 1.0f;
				color[1] = 0.0f;
				color[2] = 0.0f;
				color[3] = 0.33f;
				CG_FillRect( x, y-4,  w, BIGCHAR_HEIGHT+8, color );
				CG_DrawPic( x, y-4, w, BIGCHAR_HEIGHT+8, cgs.media.selectShader );
			} else {
				color[0] = 0.5f;
				color[1] = 0.5f;
				color[2] = 0.5f;
				color[3] = 0.33f;
				CG_FillRect( x, y-4,  w, BIGCHAR_HEIGHT+8, color );
			}	
			CG_DrawBigString( x + 4, y, s, 1.0F);
		}

		// first place
		if ( s1 != SCORE_NOT_PRESENT ) {
			s = va( "%2i", s1 );
			w = CG_DrawStrlen( s ) * BIGCHAR_WIDTH + 8;
			x -= w;
			if ( !spectator && score == s1 ) {
				color[0] = 0.0f;
				color[1] = 0.0f;
				color[2] = 1.0f;
				color[3] = 0.33f;
				CG_FillRect( x, y-4,  w, BIGCHAR_HEIGHT+8, color );
				CG_DrawPic( x, y-4, w, BIGCHAR_HEIGHT+8, cgs.media.selectShader );
			} else {
				color[0] = 0.5f;
				color[1] = 0.5f;
				color[2] = 0.5f;
				color[3] = 0.33f;
				CG_FillRect( x, y-4,  w, BIGCHAR_HEIGHT+8, color );
			}	
			CG_DrawBigString( x + 4, y, s, 1.0F);
		}

		if ( cgs.fraglimit ) {
			s = va( "%2i", cgs.fraglimit );
			w = CG_DrawStrlen( s ) * BIGCHAR_WIDTH + 8;
			x -= w;
			CG_DrawBigString( x + 4, y, s, 1.0F);
		}

	}

	return y1 - 8;
}
#endif // MISSIONPACK

/*
================
CG_DrawPowerups
================
*/
#ifndef MISSIONPACK
static float CG_DrawPowerups( float y ) {
	int		sorted[MAX_POWERUPS];
	int		sortedTime[MAX_POWERUPS];
	int		i, j, k;
	int		active;
	playerState_t	*ps;
	int		t;
	gitem_t	*item;
	int		x;
	int		color;
	float	size;
	float	f;
	static float colors[2][4] = { 
    { 0.2f, 1.0f, 0.2f, 1.0f } , 
    { 1.0f, 0.2f, 0.2f, 1.0f } 
  };

	ps = &cg.snap->ps;

	if ( ps->stats[STAT_HEALTH] <= 0 ) {
		return y;
	}

	// sort the list by time remaining
	active = 0;
	for ( i = 0 ; i < MAX_POWERUPS ; i++ ) {
		if ( !ps->powerups[ i ] ) {
			continue;
		}
		t = ps->powerups[ i ] - cg.time;
		// ZOID--don't draw if the power up has unlimited time (999 seconds)
		// This is true of the CTF flags
		if ( t < 0 || t > 999000) {
			continue;
		}

		// insert into the list
		for ( j = 0 ; j < active ; j++ ) {
			if ( sortedTime[j] >= t ) {
				for ( k = active - 1 ; k >= j ; k-- ) {
					sorted[k+1] = sorted[k];
					sortedTime[k+1] = sortedTime[k];
				}
				break;
			}
		}
		sorted[j] = i;
		sortedTime[j] = t;
		active++;
	}

	// draw the icons and timers
	x = 640 - ICON_SIZE - CHAR_WIDTH * 2;
	for ( i = 0 ; i < active ; i++ ) {
		item = BG_FindItemForPowerup( sorted[i] );

    if (item) {

		  color = 1;

		  y -= ICON_SIZE;

		  trap_R_SetColor( colors[color] );
		  CG_DrawField( x, y, 2, sortedTime[ i ] / 1000 );

		  t = ps->powerups[ sorted[i] ];
		  if ( t - cg.time >= POWERUP_BLINKS * POWERUP_BLINK_TIME ) {
			  trap_R_SetColor( NULL );
		  } else {
			  vec4_t	modulate;

			  f = (float)( t - cg.time ) / POWERUP_BLINK_TIME;
			  f -= (int)f;
			  modulate[0] = modulate[1] = modulate[2] = modulate[3] = f;
			  trap_R_SetColor( modulate );
		  }

		  if ( cg.powerupActive == sorted[i] && 
			  cg.time - cg.powerupTime < PULSE_TIME ) {
			  f = 1.0 - ( ( (float)cg.time - cg.powerupTime ) / PULSE_TIME );
			  size = ICON_SIZE * ( 1.0 + ( PULSE_SCALE - 1.0 ) * f );
		  } else {
			  size = ICON_SIZE;
		  }

		  CG_DrawPic( 640 - size, y + ICON_SIZE / 2 - size / 2, 
			  size, size, trap_R_RegisterShader( item->icon ) );
    }
	}
	trap_R_SetColor( NULL );

	return y;
}
#endif // MISSIONPACK

/*
=====================
CG_DrawLowerRight

=====================
*/
#ifndef MISSIONPACK
static void CG_DrawLowerRight( void ) {
	float	y;

	y = 480 - ICON_SIZE;

	if ( cgs.gametype >= GT_TEAM && cg_drawTeamOverlay.integer == 2 ) {
		y = CG_DrawTeamOverlay( y, qtrue, qfalse );
	} 

	y = CG_DrawScores( y );
	y = CG_DrawPowerups( y );
}
#endif // MISSIONPACK

/*
===================
CG_DrawPickupItem
===================
*/
#ifndef MISSIONPACK
static int CG_DrawPickupItem( int y ) {
	int		value;
	float	*fadeColor;

	if ( cg.snap->ps.stats[STAT_HEALTH] <= 0 ) {
		return y;
	}

	y -= ICON_SIZE;

	value = cg.itemPickup;
	if ( value ) {
		fadeColor = CG_FadeColor( cg.itemPickupTime, 3000 );
		if ( fadeColor ) {
			CG_RegisterItemVisuals( value );
			trap_R_SetColor( fadeColor );
			CG_DrawPic( 8, y, ICON_SIZE, ICON_SIZE, cg_items[ value ].icon );
			CG_DrawBigString( ICON_SIZE + 16, y + (ICON_SIZE/2 - BIGCHAR_HEIGHT/2), bg_itemlist[ value ].pickup_name, fadeColor[0] );
			trap_R_SetColor( NULL );
		}
	}
	
	return y;
}
#endif // MISSIONPACK

/*
=====================
CG_DrawLowerLeft

=====================
*/
#ifndef MISSIONPACK
static void CG_DrawLowerLeft( void ) {
	float	y;

	y = 480 - ICON_SIZE;

	if ( cgs.gametype >= GT_TEAM && cg_drawTeamOverlay.integer == 3 ) {
		y = CG_DrawTeamOverlay( y, qfalse, qfalse );
	} 


	y = CG_DrawPickupItem( y );
}
#endif // MISSIONPACK


//===========================================================================================

/*
=================
CG_DrawTeamInfo
=================
*/
#ifndef MISSIONPACK
static void CG_DrawTeamInfo( void ) {
	int w, h;
	int i, len;
	vec4_t		hcolor;
	int		chatHeight;

#define CHATLOC_Y 420 // bottom end
#define CHATLOC_X 0

	if (cg_teamChatHeight.integer < TEAMCHAT_HEIGHT)
		chatHeight = cg_teamChatHeight.integer;
	else
		chatHeight = TEAMCHAT_HEIGHT;
	if (chatHeight <= 0)
		return; // disabled

	if (cgs.teamLastChatPos != cgs.teamChatPos) {
		if (cg.time - cgs.teamChatMsgTimes[cgs.teamLastChatPos % chatHeight] > cg_teamChatTime.integer) {
			cgs.teamLastChatPos++;
		}

		h = (cgs.teamChatPos - cgs.teamLastChatPos) * TINYCHAR_HEIGHT;

		w = 0;

		for (i = cgs.teamLastChatPos; i < cgs.teamChatPos; i++) {
			len = CG_DrawStrlen(cgs.teamChatMsgs[i % chatHeight]);
			if (len > w)
				w = len;
		}
		w *= TINYCHAR_WIDTH;
		w += TINYCHAR_WIDTH * 2;

		if ( cg.snap->ps.persistant[PERS_TEAM] == TEAM_RED ) {
			hcolor[0] = 1.0f;
			hcolor[1] = 0.0f;
			hcolor[2] = 0.0f;
			hcolor[3] = 0.33f;
		} else if ( cg.snap->ps.persistant[PERS_TEAM] == TEAM_BLUE ) {
			hcolor[0] = 0.0f;
			hcolor[1] = 0.0f;
			hcolor[2] = 1.0f;
			hcolor[3] = 0.33f;
		} else {
			hcolor[0] = 0.0f;
			hcolor[1] = 1.0f;
			hcolor[2] = 0.0f;
			hcolor[3] = 0.33f;
		}

		trap_R_SetColor( hcolor );
		CG_DrawPic( CHATLOC_X, CHATLOC_Y - h, 640, h, cgs.media.teamStatusBar );
		trap_R_SetColor( NULL );

		hcolor[0] = hcolor[1] = hcolor[2] = 1.0f;
		hcolor[3] = 1.0f;

		for (i = cgs.teamChatPos - 1; i >= cgs.teamLastChatPos; i--) {
			CG_DrawStringExt( CHATLOC_X + TINYCHAR_WIDTH, 
				CHATLOC_Y - (cgs.teamChatPos - i)*TINYCHAR_HEIGHT, 
				cgs.teamChatMsgs[i % chatHeight], hcolor, qfalse, qfalse,
				TINYCHAR_WIDTH, TINYCHAR_HEIGHT, 0 );
		}
	}
}
#endif // MISSIONPACK

/*
===================
CG_DrawHoldableItem
===================
*/
#ifndef MISSIONPACK
static void CG_DrawHoldableItem( void ) { 
	int		value;

	value = cg.snap->ps.stats[STAT_HOLDABLE_ITEM];
	if ( value ) {
		CG_RegisterItemVisuals( value );
		CG_DrawPic( 640-ICON_SIZE, (SCREEN_HEIGHT-ICON_SIZE)/2, ICON_SIZE, ICON_SIZE, cg_items[ value ].icon );
	}

}
#endif // MISSIONPACK

#ifdef MISSIONPACK
/*
===================
CG_DrawPersistantPowerup
===================
*/
#if 0 // sos001208 - DEAD
static void CG_DrawPersistantPowerup( void ) { 
	int		value;

	value = cg.snap->ps.stats[STAT_PERSISTANT_POWERUP];
	if ( value ) {
		CG_RegisterItemVisuals( value );
		CG_DrawPic( 640-ICON_SIZE, (SCREEN_HEIGHT-ICON_SIZE)/2 - ICON_SIZE, ICON_SIZE, ICON_SIZE, cg_items[ value ].icon );
	}
}
#endif
#endif // MISSIONPACK


/*
===================
CG_DrawReward
===================
*/
static void CG_DrawReward( void ) { 
	float	*color;
	int		i, count;
	float	x, y;
	char	buf[32];

	if ( !cg_drawRewards.integer ) {
		return;
	}

	color = CG_FadeColor( cg.rewardTime, REWARD_TIME );
	if ( !color ) {
		if (cg.rewardStack > 0) {
			for(i = 0; i < cg.rewardStack; i++) {
				cg.rewardSound[i] = cg.rewardSound[i+1];
				cg.rewardShader[i] = cg.rewardShader[i+1];
				cg.rewardCount[i] = cg.rewardCount[i+1];
			}
			cg.rewardTime = cg.time;
			cg.rewardStack--;
			color = CG_FadeColor( cg.rewardTime, REWARD_TIME );
			trap_S_StartLocalSound(cg.rewardSound[0], CHAN_ANNOUNCER);
		} else {
			return;
		}
	}

	trap_R_SetColor( color );

	/*
	count = cg.rewardCount[0]/10;				// number of big rewards to draw

	if (count) {
		y = 4;
		x = 320 - count * ICON_SIZE;
		for ( i = 0 ; i < count ; i++ ) {
			CG_DrawPic( x, y, (ICON_SIZE*2)-4, (ICON_SIZE*2)-4, cg.rewardShader[0] );
			x += (ICON_SIZE*2);
		}
	}

	count = cg.rewardCount[0] - count*10;		// number of small rewards to draw
	*/

	if ( cg.rewardCount[0] >= 10 ) {
		y = 56;
		x = 320 - ICON_SIZE/2;
		CG_DrawPic( x, y, ICON_SIZE-4, ICON_SIZE-4, cg.rewardShader[0] );
		Com_sprintf(buf, sizeof(buf), "%d", cg.rewardCount[0]);
		x = ( SCREEN_WIDTH - SMALLCHAR_WIDTH * CG_DrawStrlen( buf ) ) / 2;
		CG_DrawStringExt( x, y+ICON_SIZE, buf, color, qfalse, qtrue,
								SMALLCHAR_WIDTH, SMALLCHAR_HEIGHT, 0 );
	}
	else {

		count = cg.rewardCount[0];

		y = 56;
		x = 320 - count * ICON_SIZE/2;
		for ( i = 0 ; i < count ; i++ ) {
			CG_DrawPic( x, y, ICON_SIZE-4, ICON_SIZE-4, cg.rewardShader[0] );
			x += ICON_SIZE;
		}
	}
	trap_R_SetColor( NULL );
}


/*
===============================================================================

LAGOMETER

===============================================================================
*/

#define	LAG_SAMPLES		128


typedef struct {
	int		frameSamples[LAG_SAMPLES];
	int		frameCount;
	int		snapshotFlags[LAG_SAMPLES];
	int		snapshotSamples[LAG_SAMPLES];
	int		snapshotCount;
} lagometer_t;