Add different automatic profiler graph drawing style for relative-ish plots

diff --git a/src/game.cpp b/src/game.cpp
index e261a9f04d6425822c7948cf24995f5c83d83fdc..0fe296d122ed7da5dbb089bcbef4283138ee9a20 100644 (file)
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -724,6 +724,11 @@ class ProfilerGraph
                                        core::rect<s32>(textx, y - graphh/2 - texth/2,
                                        textx2, y - graphh/2 + texth/2),
                                        meta.color);
+                       s32 graph1y = y;
+                       s32 graph1h = graphh;
+                       bool relativegraph = (show_min != 0 && show_min != show_max);
+                       float lastscaledvalue = 0.0;
+                       bool lastscaledvalue_exists = false;
                        for(std::list<Piece>::const_iterator j = m_log.begin();
                                        j != m_log.end(); j++)
                        {
@@ -738,6 +743,7 @@ class ProfilerGraph
                                }
                                if(!value_exists){
                                        x++;
+                                       lastscaledvalue_exists = false;
                                        continue;
                                }
                                float scaledvalue = 1.0;
@@ -745,12 +751,23 @@ class ProfilerGraph
                                        scaledvalue = (value - show_min) / (show_max - show_min);
                                if(scaledvalue == 1.0 && value == 0){
                                        x++;
+                                       lastscaledvalue_exists = false;
                                        continue;
                                }
-                               s32 ivalue = scaledvalue * graphh;
-                               driver->draw2DLine(v2s32(x, y),
-                                               v2s32(x, y - ivalue),
-                                               meta.color);
+                               if(relativegraph){
+                                       if(lastscaledvalue_exists){
+                                               s32 ivalue1 = lastscaledvalue * graph1h;
+                                               s32 ivalue2 = scaledvalue * graph1h;
+                                               driver->draw2DLine(v2s32(x-1, graph1y - ivalue1),
+                                                               v2s32(x, graph1y - ivalue2), meta.color);
+                                       }
+                                       lastscaledvalue = scaledvalue;
+                                       lastscaledvalue_exists = true;
+                               } else{
+                                       s32 ivalue = scaledvalue * graph1h;
+                                       driver->draw2DLine(v2s32(x, graph1y),
+                                                       v2s32(x, graph1y - ivalue), meta.color);
+                               }
                                x++;
                        }
                        meta_i++;
@@ -1102,6 +1119,9 @@ void the_game(
        float recent_turn_speed = 0.0;
        
        ProfilerGraph graph;
+       // Initially clear the profiler
+       Profiler::GraphValues dummyvalues;
+       g_profiler->graphGet(dummyvalues);
 
        float nodig_delay_timer = 0.0;
        float dig_time = 0.0;