From e034eabeb8da93bc110c2e55430a22415bbac2c2 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 17 Mar 2019 17:21:30 +0100
Subject: [PATCH] Animate plot ranges.

---
 server/TracyView.cpp | 27 ++++++++++++++++++++++++++-
 server/TracyView.hpp |  7 +++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index 0b4161de..43687587 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -3692,7 +3692,7 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover, fl
         float txtx = 0;
         const auto yPos = AdjustThreadPosition( vis, wpos.y, offset );
         const auto oldOffset = offset;
-        ImGui::PushClipRect( wpos, wpos + ImVec2( w, offset + vis.height ), true );
+        ImGui::PushClipRect( wpos + ImVec2( 0, offset ), wpos + ImVec2( w, offset + vis.height ), true );
         if( yPos + ty >= yMin && yPos <= yMax )
         {
             if( showFull )
@@ -3823,6 +3823,31 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover, fl
                     }
                 }
 
+                auto pvit = m_plotView.find( v );
+                if( pvit == m_plotView.end() )
+                {
+                    pvit = m_plotView.emplace( v, PlotView { min, max } ).first;
+                }
+                auto& pv = pvit->second;
+                if( pv.min != min || pv.max != max )
+                {
+                    const auto dt = ImGui::GetIO().DeltaTime;
+                    const auto minDiff = min - pv.min;
+                    const auto maxDiff = max - pv.max;
+
+                    pv.min += minDiff * 15.0 * dt;
+                    pv.max += maxDiff * 15.0 * dt;
+
+                    const auto minDiffNew = min - pv.min;
+                    const auto maxDiffNew = max - pv.max;
+
+                    if( minDiff * minDiffNew < 0 ) pv.min = min;
+                    if( maxDiff * maxDiffNew < 0 ) pv.max = max;
+
+                    min = pv.min;
+                    max = pv.max;
+                }
+
                 const auto revrange = 1.0 / ( max - min );
 
                 if( it == vec.begin() )
diff --git a/server/TracyView.hpp b/server/TracyView.hpp
index 3fe83853..e7d51d17 100644
--- a/server/TracyView.hpp
+++ b/server/TracyView.hpp
@@ -51,6 +51,12 @@ public:
         int height = 0;
     };
 
+    struct PlotView
+    {
+        double min;
+        double max;
+    };
+
     using SetTitleCallback = void(*)( const char* );
 
     View( ImFont* fixedWidth = nullptr, SetTitleCallback stcb = nullptr ) : View( "127.0.0.1", fixedWidth, stcb ) {}
@@ -186,6 +192,7 @@ private:
     flat_hash_map<const void*, VisData, nohash<const void*>> m_visData;
     flat_hash_map<uint64_t, bool, nohash<uint64_t>> m_visibleMsgThread;
     flat_hash_map<const void*, int, nohash<const void*>> m_gpuDrift;
+    flat_hash_map<const PlotData*, PlotView, nohash<const PlotData*>> m_plotView;
 
     tracy_force_inline VisData& Vis( const void* ptr )
     {