[STORM-1980] Part 2: Floater and shakeyshake

Shake is off by default, turn on AlchemyRegionRestartShake to activate

indra/newview/llfloaterregionrestarting.cpp

@@ -0,0 +1,171 @@
+/**
+ * @file llfloaterregionrestarting.cpp
+ * @brief Shows countdown timer during region restart
+ *
+ * $LicenseInfo:firstyear=2006&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterregionrestarting.h"
+
+#include "lluictrlfactory.h"
+#include "llagent.h"
+#include "llagentcamera.h"
+#include "llenvmanager.h"
+#include "llviewercontrol.h"
+#include "llviewerwindow.h"
+
+
+enum shake_state
+{
+	SHAKE_START,
+	SHAKE_LEFT,
+	SHAKE_UP,
+	SHAKE_RIGHT,
+	SHAKE_DOWN,
+	SHAKE_DONE
+};
+static shake_state sShakeState;
+
+LLFloaterRegionRestarting::LLFloaterRegionRestarting(const LLSD& key) :
+	LLEventTimer(1)
+,	mRestartSeconds(NULL)
+,	mSeconds(key["SECONDS"].asInteger())
+,	mShakeIterations()
+,	mShakeMagnitude()
+{
+	//buildFromFile("floater_region_restarting.xml");
+	LLUICtrlFactory::getInstance()->buildFloater(this, "floater_region_restarting.xml");
+
+	LLStringUtil::format_map_t args;
+	args["[NAME]"] = key["NAME"].asString();
+	getChild<LLTextBox>("region_name")->setValue(getString("RegionName", args));
+	mRestartSeconds = getChild<LLTextBox>("restart_seconds");
+	center();
+
+	refresh();
+
+	mRegionChangedConnection = LLEnvManagerNew::instance().setRegionChangeCallback(boost::bind(&LLFloaterRegionRestarting::close, this, false));
+}
+
+LLFloaterRegionRestarting::~LLFloaterRegionRestarting()
+{
+	mRegionChangedConnection.disconnect();
+}
+
+BOOL LLFloaterRegionRestarting::postBuild()
+{
+	setBackgroundColor(gColors.getColor("NotifyCautionBoxColor"));
+	sShakeState = SHAKE_START;
+	return TRUE;
+}
+
+BOOL LLFloaterRegionRestarting::tick()
+{
+	refresh();
+
+	return FALSE;
+}
+
+void LLFloaterRegionRestarting::refresh()
+{
+	LLStringUtil::format_map_t args;
+	args["[SECONDS]"] = llformat("%d", mSeconds);
+	mRestartSeconds->setValue(getString("RestartSeconds", args));
+
+	if (!mSeconds) return; // Zero means we're done.
+	--mSeconds;
+}
+
+void LLFloaterRegionRestarting::draw()
+{
+	LLFloater::draw();
+
+        static const LLCachedControl<bool> alchemyRegionShake(gSavedSettings, "AlchemyRegionRestartShake", true);
+        if (!alchemyRegionShake)
+                return;
+
+	const F32 SHAKE_INTERVAL = 0.025;
+	const F32 SHAKE_TOTAL_DURATION = 1.8; // the length of the default alert tone for this
+	const F32 SHAKE_INITIAL_MAGNITUDE = 1.5;
+	const F32 SHAKE_HORIZONTAL_BIAS = 0.25;
+	F32 time_shaking;
+
+	if (SHAKE_START == sShakeState)
+	{
+		mShakeTimer.setTimerExpirySec(SHAKE_INTERVAL);
+		sShakeState = SHAKE_LEFT;
+		mShakeIterations = 0;
+		mShakeMagnitude = SHAKE_INITIAL_MAGNITUDE;
+	}
+
+	if (SHAKE_DONE != sShakeState && mShakeTimer.hasExpired())
+	{
+		gAgentCamera.unlockView();
+
+		switch(sShakeState)
+		{
+			case SHAKE_LEFT:
+				gAgentCamera.setPanLeftKey(mShakeMagnitude * SHAKE_HORIZONTAL_BIAS);
+				sShakeState = SHAKE_UP;
+				break;
+
+			case SHAKE_UP:
+				gAgentCamera.setPanUpKey(mShakeMagnitude);
+				sShakeState = SHAKE_RIGHT;
+				break;
+
+			case SHAKE_RIGHT:
+				gAgentCamera.setPanRightKey(mShakeMagnitude * SHAKE_HORIZONTAL_BIAS);
+				sShakeState = SHAKE_DOWN;
+				break;
+
+			case SHAKE_DOWN:
+				gAgentCamera.setPanDownKey(mShakeMagnitude);
+				mShakeIterations++;
+				time_shaking = SHAKE_INTERVAL * (mShakeIterations * 4 /* left, up, right, down */);
+				if (SHAKE_TOTAL_DURATION <= time_shaking)
+				{
+					sShakeState = SHAKE_DONE;
+					mShakeMagnitude = 0.0;
+				}
+				else
+				{
+					sShakeState = SHAKE_LEFT;
+					F32 percent_done_shaking = (SHAKE_TOTAL_DURATION - time_shaking) / SHAKE_TOTAL_DURATION;
+					mShakeMagnitude = SHAKE_INITIAL_MAGNITUDE * (percent_done_shaking * percent_done_shaking); // exponential decay
+				}
+				break;
+
+			default:
+				break;
+		}
+		mShakeTimer.setTimerExpirySec(SHAKE_INTERVAL);
+	}
+}
+
+void LLFloaterRegionRestarting::updateTime(const U32& time)
+{
+	mSeconds = time;
+	sShakeState = SHAKE_START;
+}