added a config option to set the grade of detail of the overlay system.

3 files changed, 17 insertions, 5 deletions

diff --git a/src/engine.cpp b/src/engine.cpp
index a80351d4..557b5d7e 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -239,7 +239,11 @@ void Engine::draw(Graphics *graphics)
         mCurrentMap->draw(graphics, (int)view_x, (int)view_y, 0);
         mCurrentMap->draw(graphics, (int)view_x, (int)view_y, 1);
         mCurrentMap->draw(graphics, (int)view_x, (int)view_y, 2);
-        mCurrentMap->drawOverlay(graphics, view_x, view_y);
+        mCurrentMap->drawOverlay(   graphics,
+                                    view_x,
+                                    view_y,
+                                    (int)config.getValue("OverlayDetail", 2)
+                                );
     }
 
     // Find a path from the player to the mouse, and draw it. This is for debug
diff --git a/src/map.cpp b/src/map.cpp
index 463a8c8e..027a5440 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -167,12 +167,15 @@ Map::draw(Graphics *graphics, int scrollX, int scrollY, int layer)
 }
 
 void
-Map::drawOverlay(Graphics *graphics, float scrollX, float scrollY)
+Map::drawOverlay(Graphics *graphics, float scrollX, float scrollY, int detail)
 {
-    std::list<AmbientOverlay>::iterator i;
-
     static int lastTick = tick_time;
 
+    // detail 0: no overlays
+    if (detail <= 0) return;
+
+    std::list<AmbientOverlay>::iterator i;
+
     // Avoid freaking out when tick_time overflows
     if (tick_time < lastTick)
     {
@@ -223,6 +226,9 @@ Map::drawOverlay(Graphics *graphics, float scrollX, float scrollY)
         mLastScrollX = scrollX;
         mLastScrollY = scrollY;
         lastTick++;
+
+        // detail 1: only one overlay, higher: all overlays
+        if (detail == 1) break;
     }
 
     //draw overlays
@@ -237,6 +243,8 @@ Map::drawOverlay(Graphics *graphics, float scrollX, float scrollY)
                                         graphics->getHeight() + (int)(*i).scrollY
                                     );
         };
+        // detail 1: only one overlay, higher: all overlays
+        if (detail == 1) break;
     };
 }
 
diff --git a/src/map.h b/src/map.h
index 46bf4c23..317a0b59 100644
--- a/src/map.h
+++ b/src/map.h
@@ -104,7 +104,7 @@ class Map : public Properties
         /**
          * Draws the overlay graphic to the given graphics output.
          */
-        void drawOverlay(Graphics *graphics, float scrollX, float scrollY);
+        void drawOverlay(Graphics *graphics, float scrollX, float scrollY, int detail);
 
         /**
          * Sets the size of the map. This will destroy any existing map data.