1 files changed, 159 insertions, 0 deletions

diff --git a/linden/indra/newview/llvelocitybar.cpp b/linden/indra/newview/llvelocitybar.cpp
new file mode 100644
index 0000000..d285733
--- /dev/null
+++ b/linden/indra/newview/llvelocitybar.cpp
@@ -0,0 +1,159 @@
+/** 
+ * @file llvelocitybar.cpp
+ * @brief A user interface widget that displays user energy level
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llui.h"
+#include "llgl.h"
+#include "llfontgl.h"
+
+#include "llagent.h"
+
+#include "llvelocitybar.h"
+
+EWidgetType LLVelocityBar::getWidgetType() const
+{
+        return WIDGET_TYPE_VELOCITY_BAR;
+}
+
+LLString LLVelocityBar::getWidgetTag() const
+{
+        return LL_VELOCITY_BAR_TAG;
+}
+
+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;
+
+        if (!getVisible())
+        {
+                return;
+        }
+
+//      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 
+        //
+
+        LLGLSNoTexture gls_no_texture;
+
+        // draw background box
+        // glColor4f(0.f, 0.f, 0.f, 0.3f);
+        // gl_rect_2d(0, mRect.getHeight(), mRect.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) (mRect.getWidth() * 1 / 6);
+        right = left + TICK_WIDTH;
+        gl_rect_2d(left, top, right, bottom, color);
+
+        left = (S32) (mRect.getWidth() * 2 / 6);
+        right = left + TICK_WIDTH;
+        gl_rect_2d(left, top, right, bottom, color);
+
+        left = (S32) (mRect.getWidth() * 3 / 6);
+        right = left + TICK_WIDTH;
+        gl_rect_2d(left, top, right, bottom, color);
+
+        left = (S32) (mRect.getWidth() * 4 / 6);
+        right = left + TICK_WIDTH;
+        gl_rect_2d(left, top, right, bottom, color);
+
+        left = (S32) (mRect.getWidth() * 5 / 6);
+        right = left + TICK_WIDTH;
+        gl_rect_2d(left, top, right, bottom, color);
+
+        left = (S32) (mRect.getWidth() * 6 / 6);
+        right = left + TICK_WIDTH;
+        gl_rect_2d(left, top, right, bottom, color);
+
+
+        // draw labels for the bar
+        LLGLSTexture gls_texture;
+
+        top = BAR_TOP + 15;
+        left = 0;
+        char str[80];
+        sprintf(str, "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("0", 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
+
+        left = (mRect.getWidth()*1 / 6) - MAGIC_CHAR_WIDTH * 2;
+        LLFontGL::sMonospace->renderUTF8("1", 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
+
+        left = (mRect.getWidth()*2 / 6) - MAGIC_CHAR_WIDTH;
+        LLFontGL::sMonospace->renderUTF8("2", 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
+
+        left = (mRect.getWidth()*3 / 6) - MAGIC_CHAR_WIDTH * 2;
+        LLFontGL::sMonospace->renderUTF8("3", 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
+
+        left = (mRect.getWidth()*4 / 6) - MAGIC_CHAR_WIDTH;
+        LLFontGL::sMonospace->renderUTF8("4", 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
+
+        left = (mRect.getWidth()*5 / 6) - MAGIC_CHAR_WIDTH * 2;
+        LLFontGL::sMonospace->renderUTF8("5", 0, left, top, color, LLFontGL::LEFT, LLFontGL::TOP);
+
+        left = (mRect.getWidth()*6 / 6) - MAGIC_CHAR_WIDTH * 3;
+        LLFontGL::sMonospace->renderUTF8("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 * mRect.getWidth() / 2.f);
+        gl_rect_2d(left, top, right, bottom, bar_color);
+}