From 7a33d88886d9f9d83d3d12c95bb41e0093159d58 Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Thu, 28 Mar 2013 16:52:36 -0600
Subject: freeze particle system when monitor scene loading

---
 indra/newview/llscenemonitor.cpp  |  9 +++++++++
 indra/newview/llviewerpartsim.cpp | 14 ++++++++++++++
 indra/newview/llviewerpartsim.h   |  2 ++
 3 files changed, 25 insertions(+)

diff --git a/indra/newview/llscenemonitor.cpp b/indra/newview/llscenemonitor.cpp
index 8655aa4521..afb03ff268 100644
--- a/indra/newview/llscenemonitor.cpp
+++ b/indra/newview/llscenemonitor.cpp
@@ -39,6 +39,7 @@
 #include "llspatialpartition.h"
 #include "llagent.h"
 #include "pipeline.h"
+#include "llviewerpartsim.h"
 
 LLSceneMonitorView* gSceneMonitorView = NULL;
 
@@ -273,8 +274,12 @@ void LLSceneMonitor::freezeScene()
 	// freeze everything else
 	gSavedSettings.setBOOL("FreezeTime", TRUE);
 
+	//disable sky, water and clouds
 	gPipeline.clearRenderTypeMask(LLPipeline::RENDER_TYPE_SKY, LLPipeline::RENDER_TYPE_WL_SKY, 
 		LLPipeline::RENDER_TYPE_WATER, LLPipeline::RENDER_TYPE_CLOUDS, LLPipeline::END_RENDER_TYPES);
+
+	//disable particle system
+	LLViewerPartSim::getInstance()->enable(false);
 }
 
 void LLSceneMonitor::unfreezeScene()
@@ -285,8 +290,12 @@ void LLSceneMonitor::unfreezeScene()
 	// thaw everything else
 	gSavedSettings.setBOOL("FreezeTime", FALSE);
 
+	//enable sky, water and clouds
 	gPipeline.setRenderTypeMask(LLPipeline::RENDER_TYPE_SKY, LLPipeline::RENDER_TYPE_WL_SKY, 
 		LLPipeline::RENDER_TYPE_WATER, LLPipeline::RENDER_TYPE_CLOUDS, LLPipeline::END_RENDER_TYPES);
+
+	//enable particle system
+	LLViewerPartSim::getInstance()->enable(true);
 }
 
 void LLSceneMonitor::capture()
diff --git a/indra/newview/llviewerpartsim.cpp b/indra/newview/llviewerpartsim.cpp
index 8acdc08b00..a23a15da32 100644
--- a/indra/newview/llviewerpartsim.cpp
+++ b/indra/newview/llviewerpartsim.cpp
@@ -467,6 +467,20 @@ LLViewerPartSim::LLViewerPartSim()
 	mID = ++id_seed;
 }
 
+//enable/disable particle system
+void LLViewerPartSim::enable(bool enabled)
+{
+	if(!enabled && sMaxParticleCount > 0)
+	{
+		sMaxParticleCount = 0; //disable
+	}
+	else if(enabled && sMaxParticleCount < 1)
+	{
+		sMaxParticleCount = llmin(gSavedSettings.getS32("RenderMaxPartCount"), LL_MAX_PARTICLE_COUNT);
+	}
+
+	return;
+}
 
 void LLViewerPartSim::destroyClass()
 {
diff --git a/indra/newview/llviewerpartsim.h b/indra/newview/llviewerpartsim.h
index c91fcf0691..27bfcd4343 100644
--- a/indra/newview/llviewerpartsim.h
+++ b/indra/newview/llviewerpartsim.h
@@ -134,6 +134,8 @@ public:
 	typedef std::vector<LLViewerPartGroup *> group_list_t;
 	typedef std::vector<LLPointer<LLViewerPartSource> > source_list_t;
 
+	void enable(bool enabled);
+
 	void shift(const LLVector3 &offset);
 
 	void updateSimulation();
-- 
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