ui_main.c

quakeIII源码这个不用我多说吧

			}
			s = va("Source: %s", netSources[ui_netSource.integer]);
			break;
		case UI_NETFILTER:
			if (ui_serverFilterType.integer < 0 || ui_serverFilterType.integer > numServerFilters) {
				ui_serverFilterType.integer = 0;
			}
			s = va("Filter: %s", serverFilters[ui_serverFilterType.integer].description );
			break;
		case UI_TIER:
			break;
		case UI_TIER_MAPNAME:
			break;
		case UI_TIER_GAMETYPE:
			break;
		case UI_ALLMAPS_SELECTION:
			break;
		case UI_OPPONENT_NAME:
			break;
		case UI_KEYBINDSTATUS:
			if (Display_KeyBindPending()) {
				s = "Waiting for new key... Press ESCAPE to cancel";
			} else {
				s = "Press ENTER or CLICK to change, Press BACKSPACE to clear";
			}
			break;
		case UI_SERVERREFRESHDATE:
			s = UI_Cvar_VariableString(va("ui_lastServerRefresh_%i", ui_netSource.integer));
			break;
    default:
      break;
  }

	if (s) {
		return Text_Width(s, scale, 0);
	}
	return 0;
}

static void UI_DrawBotName(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
	int value = uiInfo.botIndex;
	int game = trap_Cvar_VariableValue("g_gametype");
	const char *text = "";
	if (game >= GT_TEAM) {
		if (value >= uiInfo.characterCount) {
			value = 0;
		}
		text = uiInfo.characterList[value].name;
	} else {
		if (value >= UI_GetNumBots()) {
			value = 0;
		}
		text = UI_GetBotNameByNumber(value);
	}
  Text_Paint(rect->x, rect->y, scale, color, text, 0, 0, textStyle);
}

static void UI_DrawBotSkill(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
	if (uiInfo.skillIndex >= 0 && uiInfo.skillIndex < numSkillLevels) {
	  Text_Paint(rect->x, rect->y, scale, color, skillLevels[uiInfo.skillIndex], 0, 0, textStyle);
	}
}

static void UI_DrawRedBlue(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
  Text_Paint(rect->x, rect->y, scale, color, (uiInfo.redBlue == 0) ? "Red" : "Blue", 0, 0, textStyle);
}

static void UI_DrawCrosshair(rectDef_t *rect, float scale, vec4_t color) {
 	trap_R_SetColor( color );
	if (uiInfo.currentCrosshair < 0 || uiInfo.currentCrosshair >= NUM_CROSSHAIRS) {
		uiInfo.currentCrosshair = 0;
	}
	UI_DrawHandlePic( rect->x, rect->y - rect->h, rect->w, rect->h, uiInfo.uiDC.Assets.crosshairShader[uiInfo.currentCrosshair]);
 	trap_R_SetColor( NULL );
}

/*
===============
UI_BuildPlayerList
===============
*/
static void UI_BuildPlayerList() {
	uiClientState_t	cs;
	int		n, count, team, team2, playerTeamNumber;
	char	info[MAX_INFO_STRING];

	trap_GetClientState( &cs );
	trap_GetConfigString( CS_PLAYERS + cs.clientNum, info, MAX_INFO_STRING );
	uiInfo.playerNumber = cs.clientNum;
	uiInfo.teamLeader = atoi(Info_ValueForKey(info, "tl"));
	team = atoi(Info_ValueForKey(info, "t"));
	trap_GetConfigString( CS_SERVERINFO, info, sizeof(info) );
	count = atoi( Info_ValueForKey( info, "sv_maxclients" ) );
	uiInfo.playerCount = 0;
	uiInfo.myTeamCount = 0;
	playerTeamNumber = 0;
	for( n = 0; n < count; n++ ) {
		trap_GetConfigString( CS_PLAYERS + n, info, MAX_INFO_STRING );

		if (info[0]) {
			Q_strncpyz( uiInfo.playerNames[uiInfo.playerCount], Info_ValueForKey( info, "n" ), MAX_NAME_LENGTH );
			Q_CleanStr( uiInfo.playerNames[uiInfo.playerCount] );
			uiInfo.playerCount++;
			team2 = atoi(Info_ValueForKey(info, "t"));
			if (team2 == team) {
				Q_strncpyz( uiInfo.teamNames[uiInfo.myTeamCount], Info_ValueForKey( info, "n" ), MAX_NAME_LENGTH );
				Q_CleanStr( uiInfo.teamNames[uiInfo.myTeamCount] );
				uiInfo.teamClientNums[uiInfo.myTeamCount] = n;
				if (uiInfo.playerNumber == n) {
					playerTeamNumber = uiInfo.myTeamCount;
				}
				uiInfo.myTeamCount++;
			}
		}
	}

	if (!uiInfo.teamLeader) {
		trap_Cvar_Set("cg_selectedPlayer", va("%d", playerTeamNumber));
	}

	n = trap_Cvar_VariableValue("cg_selectedPlayer");
	if (n < 0 || n > uiInfo.myTeamCount) {
		n = 0;
	}
	if (n < uiInfo.myTeamCount) {
		trap_Cvar_Set("cg_selectedPlayerName", uiInfo.teamNames[n]);
	}
}


static void UI_DrawSelectedPlayer(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
	if (uiInfo.uiDC.realTime > uiInfo.playerRefresh) {
		uiInfo.playerRefresh = uiInfo.uiDC.realTime + 3000;
		UI_BuildPlayerList();
	}
  Text_Paint(rect->x, rect->y, scale, color, (uiInfo.teamLeader) ? UI_Cvar_VariableString("cg_selectedPlayerName") : UI_Cvar_VariableString("name") , 0, 0, textStyle);
}

static void UI_DrawServerRefreshDate(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
	if (uiInfo.serverStatus.refreshActive) {
		vec4_t lowLight, newColor;
		lowLight[0] = 0.8 * color[0]; 
		lowLight[1] = 0.8 * color[1]; 
		lowLight[2] = 0.8 * color[2]; 
		lowLight[3] = 0.8 * color[3]; 
		LerpColor(color,lowLight,newColor,0.5+0.5*sin(uiInfo.uiDC.realTime / PULSE_DIVISOR));
	  Text_Paint(rect->x, rect->y, scale, newColor, va("Getting info for %d servers (ESC to cancel)", trap_LAN_GetServerCount(ui_netSource.integer)), 0, 0, textStyle);
	} else {
		char buff[64];
		Q_strncpyz(buff, UI_Cvar_VariableString(va("ui_lastServerRefresh_%i", ui_netSource.integer)), 64);
	  Text_Paint(rect->x, rect->y, scale, color, va("Refresh Time: %s", buff), 0, 0, textStyle);
	}
}

static void UI_DrawServerMOTD(rectDef_t *rect, float scale, vec4_t color) {
	if (uiInfo.serverStatus.motdLen) {
		float maxX;
	 
		if (uiInfo.serverStatus.motdWidth == -1) {
			uiInfo.serverStatus.motdWidth = 0;
			uiInfo.serverStatus.motdPaintX = rect->x + 1;
			uiInfo.serverStatus.motdPaintX2 = -1;
		}

		if (uiInfo.serverStatus.motdOffset > uiInfo.serverStatus.motdLen) {
			uiInfo.serverStatus.motdOffset = 0;
			uiInfo.serverStatus.motdPaintX = rect->x + 1;
			uiInfo.serverStatus.motdPaintX2 = -1;
		}

		if (uiInfo.uiDC.realTime > uiInfo.serverStatus.motdTime) {
			uiInfo.serverStatus.motdTime = uiInfo.uiDC.realTime + 10;
			if (uiInfo.serverStatus.motdPaintX <= rect->x + 2) {
				if (uiInfo.serverStatus.motdOffset < uiInfo.serverStatus.motdLen) {
					uiInfo.serverStatus.motdPaintX += Text_Width(&uiInfo.serverStatus.motd[uiInfo.serverStatus.motdOffset], scale, 1) - 1;
					uiInfo.serverStatus.motdOffset++;
				} else {
					uiInfo.serverStatus.motdOffset = 0;
					if (uiInfo.serverStatus.motdPaintX2 >= 0) {
						uiInfo.serverStatus.motdPaintX = uiInfo.serverStatus.motdPaintX2;
					} else {
						uiInfo.serverStatus.motdPaintX = rect->x + rect->w - 2;
					}
					uiInfo.serverStatus.motdPaintX2 = -1;
				}
			} else {
				//serverStatus.motdPaintX--;
				uiInfo.serverStatus.motdPaintX -= 2;
				if (uiInfo.serverStatus.motdPaintX2 >= 0) {
					//serverStatus.motdPaintX2--;
					uiInfo.serverStatus.motdPaintX2 -= 2;
				}
			}
		}

		maxX = rect->x + rect->w - 2;
		Text_Paint_Limit(&maxX, uiInfo.serverStatus.motdPaintX, rect->y + rect->h - 3, scale, color, &uiInfo.serverStatus.motd[uiInfo.serverStatus.motdOffset], 0, 0); 
		if (uiInfo.serverStatus.motdPaintX2 >= 0) {
			float maxX2 = rect->x + rect->w - 2;
			Text_Paint_Limit(&maxX2, uiInfo.serverStatus.motdPaintX2, rect->y + rect->h - 3, scale, color, uiInfo.serverStatus.motd, 0, uiInfo.serverStatus.motdOffset); 
		}
		if (uiInfo.serverStatus.motdOffset && maxX > 0) {
			// if we have an offset ( we are skipping the first part of the string ) and we fit the string
			if (uiInfo.serverStatus.motdPaintX2 == -1) {
						uiInfo.serverStatus.motdPaintX2 = rect->x + rect->w - 2;
			}
		} else {
			uiInfo.serverStatus.motdPaintX2 = -1;
		}

	}
}

static void UI_DrawKeyBindStatus(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
//	int ofs = 0; TTimo: unused
	if (Display_KeyBindPending()) {
		Text_Paint(rect->x, rect->y, scale, color, "Waiting for new key... Press ESCAPE to cancel", 0, 0, textStyle);
	} else {
		Text_Paint(rect->x, rect->y, scale, color, "Press ENTER or CLICK to change, Press BACKSPACE to clear", 0, 0, textStyle);
	}
}

static void UI_DrawGLInfo(rectDef_t *rect, float scale, vec4_t color, int textStyle) {
	char * eptr;
	char buff[1024];
	const char *lines[64];
	int y, numLines, i;

	Text_Paint(rect->x + 2, rect->y, scale, color, va("VENDOR: %s", uiInfo.uiDC.glconfig.vendor_string), 0, 30, textStyle);
	Text_Paint(rect->x + 2, rect->y + 15, scale, color, va("VERSION: %s: %s", uiInfo.uiDC.glconfig.version_string,uiInfo.uiDC.glconfig.renderer_string), 0, 30, textStyle);
	Text_Paint(rect->x + 2, rect->y + 30, scale, color, va ("PIXELFORMAT: color(%d-bits) Z(%d-bits) stencil(%d-bits)", uiInfo.uiDC.glconfig.colorBits, uiInfo.uiDC.glconfig.depthBits, uiInfo.uiDC.glconfig.stencilBits), 0, 30, textStyle);

	// build null terminated extension strings
  // TTimo: https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=399
  // in TA this was not directly crashing, but displaying a nasty broken shader right in the middle
  // brought down the string size to 1024, there's not much that can be shown on the screen anyway
	Q_strncpyz(buff, uiInfo.uiDC.glconfig.extensions_string, 1024);
	eptr = buff;
	y = rect->y + 45;
	numLines = 0;
	while ( y < rect->y + rect->h && *eptr )
	{
		while ( *eptr && *eptr == ' ' )
			*eptr++ = '\0';

		// track start of valid string
		if (*eptr && *eptr != ' ') {
			lines[numLines++] = eptr;
		}

		while ( *eptr && *eptr != ' ' )
			eptr++;
	}

	i = 0;
	while (i < numLines) {
		Text_Paint(rect->x + 2, y, scale, color, lines[i++], 0, 20, textStyle);
		if (i < numLines) {
			Text_Paint(rect->x + rect->w / 2, y, scale, color, lines[i++], 0, 20, textStyle);
		}
		y += 10;
		if (y > rect->y + rect->h - 11) {
			break;
		}
	}


}

// FIXME: table drive
//
static void UI_OwnerDraw(float x, float y, float w, float h, float text_x, float text_y, int ownerDraw, int ownerDrawFlags, int align, float special, float scale, vec4_t color, qhandle_t shader, int textStyle) {
	rectDef_t rect;

  rect.x = x + text_x;
  rect.y = y + text_y;
  rect.w = w;
  rect.h = h;

  switch (ownerDraw) {
    case UI_HANDICAP:
      UI_DrawHandicap(&rect, scale, color, textStyle);
      break;
    case UI_EFFECTS:
      UI_DrawEffects(&rect, scale, color);
      break;
    case UI_PLAYERMODEL:
      UI_DrawPlayerModel(&rect);
      break;
    case UI_CLANNAME:
      UI_DrawClanName(&rect, scale, color, textStyle);
      break;
    case UI_CLANLOGO:
      UI_DrawClanLogo(&rect, scale, color);
      break;
    case UI_CLANCINEMATIC:
      UI_DrawClanCinematic(&rect, scale, color);
      break;
    case UI_PREVIEWCINEMATIC:
      UI_DrawPreviewCinematic(&rect, scale, color);
      break;
    case UI_GAMETYPE:
      UI_DrawGameType(&rect, scale, color, textStyle);
      break;
    case UI_NETGAMETYPE:
      UI_DrawNetGameType(&rect, scale, color, textStyle);
      break;
    case UI_JOINGAMETYPE:
	  UI_DrawJoinGameType(&rect, scale, color, textStyle);
	  break;
    case UI_MAPPREVIEW:
      UI_DrawMapPreview(&rect, scale, color, qtrue);
      break;
    case UI_MAP_TIMETOBEAT:
      UI_DrawMapTimeToBeat(&rect, scale, color, textStyle);
      break;
    case UI_MAPCINEMATIC:
      UI_DrawMapCinematic(&rect, scale, color, qfalse);
      break;
    case UI_STARTMAPCINEMATIC:
      UI_DrawMapCinematic(&rect, scale, color, qtrue);
      break;
    case UI_SKILL:
      UI_DrawSkill(&rect, scale, color, textStyle);
      break;
    case UI_BLUETEAMNAME:
      UI_DrawTeamName(&rect, scale, color, qtrue, textStyle);
      break;
    case UI_REDTEAMNAME:
      UI_DrawTeamName(&rect, scale, color, qfalse, textStyle);
      break;
    case UI_BLUETEAM1:
		case UI_BLUETEAM2:
		case UI_BLUETEAM3:
		case UI_BLUETEAM4:
		case UI_BLUETEAM5:
      UI_DrawTeamMember(&rect, scale, color, qtrue, ownerDraw - UI_BLUETEAM1 + 1, textStyle);
      break;
    case UI_REDTEAM1:
		case UI_REDTEAM2:
		case UI_REDTEAM3:
		case UI_REDTEAM4:
		case UI_REDTEAM5:
      UI_DrawTeamMember(&rect, scale, color, qfalse, ownerDraw - UI_REDTEAM1 + 1, textStyle);
      break;
		case UI_NETSOURCE:
      UI_DrawNetSource(&rect, scale, color, textStyle);
			break;
    case UI_NETMAPPREVIEW:
      UI_DrawNetMapPreview(&rect, scale, color);
      break;
    case UI_NETMAPCINEMATIC:
      UI_DrawNetMapCinematic(&rect, scale, color);
      break;
		case UI_NETFILTER:
      UI_DrawNetFilter(&rect, scale, color, textStyle);
			break;
		case UI_TIER:
			UI_DrawTier(&rect, scale, color, textStyle);
			break;
		case UI_OPPONENTMODEL:
			UI_DrawOpponent(&rect);
			break;
		case UI_TIERMAP1:
			UI_DrawTierMap(&rect, 0);
			break;
		case UI_TIERMAP2:
			UI_DrawTierMap(&rect, 1);
			break;
		case UI_TIERMAP3:
			UI_DrawTierMap(&rect, 2);
			break;
		case UI_PLAYERLOGO:
			UI_DrawPlayerLogo(&rect, color);
			break;
		case UI_PLAYERLOGO_METAL:
			UI_DrawPlayerLogoMetal(&rect, color);
			break;
		case UI_PLAYERLOGO_NAME:
			UI_DrawPlayerLogoName(&rect, color);
			break;
		case UI_OPPONENTLOGO:
			UI_DrawOpponentLogo(&rect, color);
			break;
		case UI_OPPONENTLOGO_METAL:
			UI_DrawOpponentLogoMetal(&rect, color);
			break;
		case UI_OPPONENTLOGO_NAME:
			UI_DrawOpponentLogoName(&rect, color);
			break;
		case UI_TIER_MAPNAME:
			UI_DrawTierMapName(&rect, scale, color, textStyle);
			break;
		case UI_TIER_GAMETYPE:
			UI_DrawTierGameType(&rect, scale, color, textStyle);
			break;
		case UI_ALLMAPS_SELECTION:
			UI_DrawAllMapsSelection(&rect, scale, color, textStyle, qtrue);
			break;
		case UI_MAPS_SELECTION:
			UI_DrawAllMapsSelection(&rect, scale, color, textStyle, qfalse);
			break;
		case UI_OPPONENT_NAME:
			UI_DrawOpponentName(&rect, scale, color, textStyle);
			break;
		case UI_BOTNAME:
			UI_DrawBotName(&rect, scale, color, textStyle);
			break;
		case UI_BOTSKILL:
			UI_DrawBotSkill(&rect, scale, color, textStyle);
			break;
		case UI_REDBLUE:
			UI_DrawRedBlue(&rect, scale, color, textStyle);
			break;
		case UI_CROSSHAIR:
			UI_DrawCrosshair(&rect, scale, color);
			break;
		case UI_SELECTEDPLAYER:
			UI_DrawSelectedPlayer(&rect, scale, color, textStyle);
			break;
		case UI_SERVERREFRESHDATE:
			UI_DrawServerRefreshDate(&rect, scale, color, textStyle);
			break;
		case UI_SERVERMOTD:
			UI_DrawServer