149 lines
4.7 KiB
C++
149 lines
4.7 KiB
C++
/**
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* @file llvelocitybar.cpp
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* @brief A user interface widget that displays user energy level
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llui.h"
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#include "llgl.h"
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#include "llfontgl.h"
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#include "llagent.h"
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#include "llvelocitybar.h"
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const char tab = '\t';
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void LLVelocityBar::draw()
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{
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const S32 BAR_TOP = 24;
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const S32 BAR_BOTTOM = 20;
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const S32 TICK_BOTTOM = 15;
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const S32 TICK_WIDTH = 2;
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const S32 MAGIC_CHAR_WIDTH = 6;
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S32 left, top, right, bottom;
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// const F32 MS_TO_SECONDS = 0.001f;
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// const S32 WIDTH_IN_MS = 66;
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// const F32 WIDGET_TIME_FOR_WIDTH = WIDTH_IN_MS * MS_TO_SECONDS;
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F32 velocity = gAgent.getVelocity().magVec();
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LLColor4 bar_color(0.0f, 1.0f, 0.0f, 1.f);
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//
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// Set bar color
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//
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gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
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// draw background box
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// gGL.color4f(0.f, 0.f, 0.f, 0.3f);
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// gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0);
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// draw white lines for special times
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// (60 hz = 16 ms, 30 hz = 33 ms, 15 hz = 66 ms)
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LLColor4 color(1.f, 1.f, 1.f, 1.f);
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top = BAR_BOTTOM - 1;
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bottom = TICK_BOTTOM;
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left = 0;
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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left = (S32) (getRect().getWidth() * 1 / 6);
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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left = (S32) (getRect().getWidth() * 2 / 6);
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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left = (S32) (getRect().getWidth() * 3 / 6);
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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left = (S32) (getRect().getWidth() * 4 / 6);
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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left = (S32) (getRect().getWidth() * 5 / 6);
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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left = (S32) (getRect().getWidth() * 6 / 6);
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right = left + TICK_WIDTH;
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gl_rect_2d(left, top, right, bottom, color);
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// draw labels for the bar
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top = BAR_TOP + 15;
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left = 0;
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std::string str;
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str = llformat( "Velocity %.3fm/s", velocity);
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LLFontGL::getFontMonospace()->renderUTF8(str, 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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top = TICK_BOTTOM;
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left = - MAGIC_CHAR_WIDTH/2;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("0"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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left = (getRect().getWidth()*1 / 6) - MAGIC_CHAR_WIDTH * 2;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("1"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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left = (getRect().getWidth()*2 / 6) - MAGIC_CHAR_WIDTH;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("2"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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left = (getRect().getWidth()*3 / 6) - MAGIC_CHAR_WIDTH * 2;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("3"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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left = (getRect().getWidth()*4 / 6) - MAGIC_CHAR_WIDTH;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("4"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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left = (getRect().getWidth()*5 / 6) - MAGIC_CHAR_WIDTH * 2;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("5"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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left = (getRect().getWidth()*6 / 6) - MAGIC_CHAR_WIDTH * 3;
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LLFontGL::getFontMonospace()->renderUTF8(std::string("6 m/s"), 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
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// draw idle time
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top = BAR_TOP;
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bottom = BAR_BOTTOM;
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// Draw energy level
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left = 0;
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right = (S32) (left + velocity * 0.33333f * getRect().getWidth() / 2.f);
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gl_rect_2d(left, top, right, bottom, bar_color);
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}
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