diff --git a/src/client/lightview.cpp b/src/client/lightview.cpp
index c63c20af..ff63c177 100644
--- a/src/client/lightview.cpp
+++ b/src/client/lightview.cpp
@@ -36,6 +36,7 @@ LightView::LightView()
 {
     m_lightbuffer = g_framebuffers.createFrameBuffer();
     m_lightTexture = generateLightBubble(0.1f);
+    m_blendEquation = Painter::BlendEquation_Add;
     reset();
 }
 
@@ -87,6 +88,12 @@ void LightView::addLightSource(const Point& center, float scaleFactor, const Lig
     color.setGreen(color.gF() * brightness);
     color.setBlue(color.bF() * brightness);
 
+    if(m_blendEquation == Painter::BlendEquation_Add && m_lightMap.size() > 0) {
+        LightSource prevSource = m_lightMap.back();
+        if(prevSource.center == center && prevSource.color == color && prevSource.radius == radius)
+            return;
+    }
+
     LightSource source;
     source.center = center;
     source.color = color;
@@ -126,7 +133,7 @@ void LightView::draw(const Rect& dest, const Rect& src)
     m_lightbuffer->bind();
     g_painter->setCompositionMode(Painter::CompositionMode_Replace);
     drawGlobalLight(m_globalLight);
-    g_painter->setBlendEquation(Painter::BlendEquation_Max);
+    g_painter->setBlendEquation(m_blendEquation);
     g_painter->setCompositionMode(Painter::CompositionMode_Add);
     for(const LightSource& source : m_lightMap)
         drawLightSource(source.center, source.color, source.radius);
diff --git a/src/client/lightview.h b/src/client/lightview.h
index 8612d4f8..c14363e4 100644
--- a/src/client/lightview.h
+++ b/src/client/lightview.h
@@ -25,6 +25,7 @@
 
 #include "declarations.h"
 #include <framework/graphics/declarations.h>
+#include <framework/graphics/painter.h>
 #include "thingtype.h"
 
 struct LightSource {
@@ -44,11 +45,14 @@ public:
     void resize(const Size& size);
     void draw(const Rect& dest, const Rect& src);
 
+    void setBlendEquation(Painter::BlendEquation blendEquation) { m_blendEquation = blendEquation; }
+
 private:
     void drawGlobalLight(const Light& light);
     void drawLightSource(const Point& center, const Color& color, int radius);
     TexturePtr generateLightBubble(float centerFactor);
 
+    Painter::BlendEquation m_blendEquation;
     TexturePtr m_lightTexture;
     FrameBufferPtr m_lightbuffer;
     Light m_globalLight;
diff --git a/src/client/luafunctions.cpp b/src/client/luafunctions.cpp
index 6f88e777..25b51356 100644
--- a/src/client/luafunctions.cpp
+++ b/src/client/luafunctions.cpp
@@ -565,6 +565,7 @@ void Client::registerLuaFunctions()
     g_lua.bindClassMemberFunction<UIMap>("setMapShader", &UIMap::setMapShader);
     g_lua.bindClassMemberFunction<UIMap>("setMinimumAmbientLight", &UIMap::setMinimumAmbientLight);
     g_lua.bindClassMemberFunction<UIMap>("setLimitVisibleRange", &UIMap::setLimitVisibleRange);
+    g_lua.bindClassMemberFunction<UIMap>("setAddLightMethod", &UIMap::setAddLightMethod);
     g_lua.bindClassMemberFunction<UIMap>("isMultifloor", &UIMap::isMultifloor);
     g_lua.bindClassMemberFunction<UIMap>("isAutoViewModeEnabled", &UIMap::isAutoViewModeEnabled);
     g_lua.bindClassMemberFunction<UIMap>("isDrawingTexts", &UIMap::isDrawingTexts);
diff --git a/src/client/mapview.h b/src/client/mapview.h
index 05b64a0b..6b8c8ca2 100644
--- a/src/client/mapview.h
+++ b/src/client/mapview.h
@@ -28,6 +28,7 @@
 #include <framework/graphics/declarations.h>
 #include <framework/luaengine/luaobject.h>
 #include <framework/core/declarations.h>
+#include "lightview.h"
 
 // @bindclass
 class MapView : public LuaObject
@@ -110,6 +111,8 @@ public:
     void setAnimated(bool animated) { m_animated = animated; requestVisibleTilesCacheUpdate(); }
     bool isAnimating() { return m_animated; }
 
+    void setAddLightMethod(bool add) { m_lightView->setBlendEquation(add ? Painter::BlendEquation_Add : Painter::BlendEquation_Max); }
+
     void setShader(const PainterShaderProgramPtr& shader, float fadein, float fadeout);
     PainterShaderProgramPtr getShader() { return m_shader; }
 
diff --git a/src/client/uimap.h b/src/client/uimap.h
index 6adbad4f..c3e8bd6f 100644
--- a/src/client/uimap.h
+++ b/src/client/uimap.h
@@ -59,6 +59,7 @@ public:
     void setMapShader(const PainterShaderProgramPtr& shader, float fadeout, float fadein) { m_mapView->setShader(shader, fadein, fadeout); }
     void setMinimumAmbientLight(float intensity) { m_mapView->setMinimumAmbientLight(intensity); }
     void setLimitVisibleRange(bool limitVisibleRange) { m_limitVisibleRange = limitVisibleRange; updateVisibleDimension(); }
+    void setAddLightMethod(bool add) { m_mapView->setAddLightMethod(add); }
 
     bool isMultifloor() { return m_mapView->isMultifloor(); }
     bool isAutoViewModeEnabled() { return m_mapView->isAutoViewModeEnabled(); }