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/**
* @file llvelocitybar.cpp
* @brief A user interface widget that displays user energy level
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llui.h"
#include "llgl.h"
#include "llfontgl.h"
#include "llagent.h"
#include "llvelocitybar.h"
const char tab = '\t';
void LLVelocityBar::draw()
{
const S32 BAR_TOP = 24;
const S32 BAR_BOTTOM = 20;
const S32 TICK_BOTTOM = 15;
const S32 TICK_WIDTH = 2;
const S32 MAGIC_CHAR_WIDTH = 6;
S32 left, top, right, bottom;
// const F32 MS_TO_SECONDS = 0.001f;
// const S32 WIDTH_IN_MS = 66;
// const F32 WIDGET_TIME_FOR_WIDTH = WIDTH_IN_MS * MS_TO_SECONDS;
F32 velocity = gAgent.getVelocity().magVec();
LLColor4 bar_color(0.0f, 1.0f, 0.0f, 1.f);
//
// Set bar color
//
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
// draw background box
// gGL.color4f(0.f, 0.f, 0.f, 0.3f);
// gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0);
// draw white lines for special times
// (60 hz = 16 ms, 30 hz = 33 ms, 15 hz = 66 ms)
LLColor4 color(1.f, 1.f, 1.f, 1.f);
top = BAR_BOTTOM - 1;
bottom = TICK_BOTTOM;
left = 0;
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
left = (S32) (getRect().getWidth() * 1 / 6);
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
left = (S32) (getRect().getWidth() * 2 / 6);
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
left = (S32) (getRect().getWidth() * 3 / 6);
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
left = (S32) (getRect().getWidth() * 4 / 6);
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
left = (S32) (getRect().getWidth() * 5 / 6);
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
left = (S32) (getRect().getWidth() * 6 / 6);
right = left + TICK_WIDTH;
gl_rect_2d(left, top, right, bottom, color);
// draw labels for the bar
top = BAR_TOP + 15;
left = 0;
std::string str;
str = llformat( "Velocity %.3fm/s", velocity);
LLFontGL::sMonospace->renderUTF8(str, 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
top = TICK_BOTTOM;
left = - MAGIC_CHAR_WIDTH/2;
LLFontGL::sMonospace->renderUTF8(std::string("0"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
left = (getRect().getWidth()*1 / 6) - MAGIC_CHAR_WIDTH * 2;
LLFontGL::sMonospace->renderUTF8(std::string("1"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
left = (getRect().getWidth()*2 / 6) - MAGIC_CHAR_WIDTH;
LLFontGL::sMonospace->renderUTF8(std::string("2"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
left = (getRect().getWidth()*3 / 6) - MAGIC_CHAR_WIDTH * 2;
LLFontGL::sMonospace->renderUTF8(std::string("3"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
left = (getRect().getWidth()*4 / 6) - MAGIC_CHAR_WIDTH;
LLFontGL::sMonospace->renderUTF8(std::string("4"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
left = (getRect().getWidth()*5 / 6) - MAGIC_CHAR_WIDTH * 2;
LLFontGL::sMonospace->renderUTF8(std::string("5"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
left = (getRect().getWidth()*6 / 6) - MAGIC_CHAR_WIDTH * 3;
LLFontGL::sMonospace->renderUTF8(std::string("6 m/s"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
// draw idle time
top = BAR_TOP;
bottom = BAR_BOTTOM;
// Draw energy level
left = 0;
right = (S32) (left + velocity * 0.33333f * getRect().getWidth() / 2.f);
gl_rect_2d(left, top, right, bottom, bar_color);
}
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