diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f615081f..376d9d35 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -95,6 +95,7 @@ add_library(colobotbase STATIC
     graphics/core/material.h
     graphics/core/texture.h
     graphics/core/transparency.h
+    graphics/core/triangle.h
     graphics/core/type.cpp
     graphics/core/type.h
     graphics/core/renderers.h
diff --git a/src/graphics/core/device.h b/src/graphics/core/device.h
index 987b054f..272b692c 100644
--- a/src/graphics/core/device.h
+++ b/src/graphics/core/device.h
@@ -26,7 +26,6 @@
 
 #include "graphics/core/color.h"
 #include "graphics/core/texture.h"
-#include "graphics/core/transparency.h"
 #include "graphics/core/vertex.h"
 
 #include <glm/glm.hpp>
@@ -59,6 +58,7 @@ struct VertexCol;
 struct Vertex3D;
 
 enum class CullFace : unsigned char;
+enum class TransparencyMode : unsigned char;
 
 /**
  * \struct DeviceConfig
diff --git a/src/graphics/core/material.h b/src/graphics/core/material.h
index 5d5b255e..bda24413 100644
--- a/src/graphics/core/material.h
+++ b/src/graphics/core/material.h
@@ -65,7 +65,7 @@ struct Material
     //! Normal map
     std::string normalTexture = "";
     //! Alpha mode
-    AlphaMode alphaMode = AlphaMode::OPAQUE;
+    AlphaMode alphaMode = AlphaMode::NONE;
     //! Alpha threshold
     float alphaThreshold = 0.0;
     // Cull face
diff --git a/src/graphics/core/renderers.h b/src/graphics/core/renderers.h
index 28daa4ad..af55c1fd 100644
--- a/src/graphics/core/renderers.h
+++ b/src/graphics/core/renderers.h
@@ -24,7 +24,6 @@
 
 #pragma once
 
-#include "graphics/core/transparency.h"
 #include "graphics/core/vertex.h"
 
 #include <glm/glm.hpp>
@@ -36,6 +35,7 @@ namespace Gfx
 class CVertexBuffer;
 enum class CullFace : unsigned char;
 enum class PrimitiveType : unsigned char;
+enum class TransparencyMode : unsigned char;
 struct Texture;
 
 struct ShadowParam
diff --git a/src/graphics/core/transparency.h b/src/graphics/core/transparency.h
index afc847c1..45b404ea 100644
--- a/src/graphics/core/transparency.h
+++ b/src/graphics/core/transparency.h
@@ -40,7 +40,7 @@ enum class TransparencyMode : unsigned char
 //! Alpha transparency mode
 enum class AlphaMode : unsigned char
 {
-    OPAQUE,     // opaque material
+    NONE,       // opaque material
     MASK,       // alpha scissor with threshold
     BLEND,      // alpha blending
 };
diff --git a/src/graphics/core/triangle.h b/src/graphics/core/triangle.h
new file mode 100644
index 00000000..94823caf
--- /dev/null
+++ b/src/graphics/core/triangle.h
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the Colobot: Gold Edition source code
+ * Copyright (C) 2001-2021, Daniel Roux, EPSITEC SA & TerranovaTeam
+ * http://epsitec.ch; http://colobot.info; http://github.com/colobot
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see http://gnu.org/licenses
+ */
+
+ /**
+  * \file graphics/core/triangle.h
+  * \brief Triangle struct
+  */
+
+#pragma once
+
+#include "graphics/core/material.h"
+#include "graphics/core/vertex.h"
+
+// Graphics module namespace
+namespace Gfx
+{
+
+/**
+ * \struct EngineTriangle
+ * \brief A triangle drawn by the graphics engine
+ */
+struct EngineTriangle
+{
+    //! Triangle vertices
+    Vertex3D     triangle[3];
+    //! Triangle material
+    Material     material;
+};
+
+} // namespace Gfx
diff --git a/src/graphics/engine/camera.cpp b/src/graphics/engine/camera.cpp
index 11c66a9d..49ee1041 100644
--- a/src/graphics/engine/camera.cpp
+++ b/src/graphics/engine/camera.cpp
@@ -25,6 +25,8 @@
 
 #include "common/event.h"
 
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 #include "graphics/engine/terrain.h"
 #include "graphics/engine/water.h"
@@ -582,7 +584,7 @@ void CCamera::FlushOver()
 {
     m_overType = CAM_OVER_EFFECT_NULL;
     m_overColorBase = Color(0.0f, 0.0f, 0.0f, 0.0f);  // black
-    m_engine->SetOverColor();  // nothing
+    m_engine->SetOverColor(Color(), TransparencyMode::BLACK);  // nothing
 }
 
 void CCamera::SetOverBaseColor(Color color)
diff --git a/src/graphics/engine/camera.h b/src/graphics/engine/camera.h
index cf655563..0388cd91 100644
--- a/src/graphics/engine/camera.h
+++ b/src/graphics/engine/camera.h
@@ -37,6 +37,7 @@ struct Event;
 namespace Gfx
 {
 
+enum class TransparencyMode : unsigned char;
 
 /**
   \enum CameraType
diff --git a/src/graphics/engine/cloud.cpp b/src/graphics/engine/cloud.cpp
index c721fa0d..e1c15ffc 100644
--- a/src/graphics/engine/cloud.cpp
+++ b/src/graphics/engine/cloud.cpp
@@ -22,6 +22,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 #include "graphics/engine/terrain.h"
diff --git a/src/graphics/engine/engine.cpp b/src/graphics/engine/engine.cpp
index 41e0f4bb..6593d5f5 100644
--- a/src/graphics/engine/engine.cpp
+++ b/src/graphics/engine/engine.cpp
@@ -34,7 +34,9 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/framebuffer.h"
+#include "graphics/core/material.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/triangle.h"
 
 #include "graphics/engine/camera.h"
 #include "graphics/engine/cloud.h"
@@ -70,6 +72,56 @@ using TimeUtils::TimeUnit;
 namespace Gfx
 {
 
+/**
+ * \struct EngineBaseObjDataTier
+ * \brief Tier 3 of object tree (data)
+ */
+struct EngineBaseObjDataTier
+{
+    EngineTriangleType      type = EngineTriangleType::TRIANGLES;
+    Material                material = {};
+
+    std::vector<Vertex3D>   vertices;
+    CVertexBuffer* buffer = nullptr;
+    bool                    updateStaticBuffer = false;
+
+    Texture                 albedoTexture;
+    Texture                 emissiveTexture;
+    Texture                 materialTexture;
+    Texture                 normalTexture;
+    Texture                 detailTexture;
+
+    glm::vec2               uvOffset = { 0.0f, 0.0f };
+    glm::vec2               uvScale = { 1.0f, 1.0f };
+};
+
+/**
+ * \struct BaseEngineObject
+ * \brief Base (template) object - geometry for engine objects
+ *
+ * This is also the tier 1 of base object tree.
+ */
+struct EngineBaseObject
+{
+    //! If true, base object is valid in objects vector
+    bool used = false;
+    //! Number of triangles
+    int                    totalTriangles = 0;
+    //! Bounding box min (origin 0,0,0 always included)
+    glm::vec3           bboxMin{ 0, 0, 0 };
+    //! bounding box max (origin 0,0,0 always included)
+    glm::vec3           bboxMax{ 0, 0, 0 };
+    //! A bounding sphere that contains all the vertices in this EngineBaseObject
+    Math::Sphere           boundingSphere;
+    //! Next tier
+    std::vector<EngineBaseObjDataTier> next;
+
+    inline void LoadDefault()
+    {
+        *this = EngineBaseObject();
+    }
+};
+
 /**
  * \struct EngineMouse
  * \brief Information about mouse cursor
@@ -237,7 +289,6 @@ CEngine::CEngine(CApplication *app, CSystemUtils* systemUtils)
     Math::LoadTranslationMatrix(temp2, glm::vec3(1.0f, 1.0f, 1.0f));
     m_shadowBias = temp1 * temp2;
 
-    m_lastState = -1;
     m_statisticTriangle = 0;
     m_fps = 0.0f;
     m_firstGroundSpot = false;
@@ -2592,9 +2643,6 @@ void CEngine::Render()
         return;
 
     m_statisticTriangle = 0;
-    m_lastState = -1;
-    m_lastColor = Color(-1.0f);
-    m_lastMaterial = Material();
 
     m_lightMan->UpdateLights();
 
@@ -2824,7 +2872,7 @@ void CEngine::Draw3DScene()
                 continue;
             }
 
-            if (data.material.alphaMode != AlphaMode::OPAQUE)
+            if (data.material.alphaMode != AlphaMode::NONE)
             {
                 objectRenderer->SetAlphaScissor(data.material.alphaThreshold);
             }
@@ -3450,7 +3498,6 @@ void CEngine::DrawInterface()
 
     // Force new state to disable lighting
     m_interfaceMode = true;
-    m_lastState = -1;
 
     // Draw the entire interface
     Ui::CInterface* interface = CRobotMain::GetInstancePointer()->GetInterface();
@@ -3460,7 +3507,6 @@ void CEngine::DrawInterface()
     }
 
     m_interfaceMode = false;
-    m_lastState = -1;
 
     if (!m_screenshotMode && m_renderInterface)
     {
diff --git a/src/graphics/engine/engine.h b/src/graphics/engine/engine.h
index 330029fd..9a18df7b 100644
--- a/src/graphics/engine/engine.h
+++ b/src/graphics/engine/engine.h
@@ -28,7 +28,6 @@
 #include "common/system/system.h"
 
 #include "graphics/core/color.h"
-#include "graphics/core/material.h"
 #include "graphics/core/texture.h"
 #include "graphics/core/renderers.h"
 #include "graphics/core/vertex.h"
@@ -69,9 +68,14 @@ class CTerrain;
 class CPyroManager;
 class CModelMesh;
 class CVertexBuffer;
+struct EngineBaseObjDataTier;
+struct EngineBaseObject;
+struct EngineTriangle;
+struct Material;
 struct ModelShadowSpot;
 struct ModelTriangle;
 
+enum class TransparencyMode : unsigned char;
 
 /**
  * \enum EngineTriangleType
@@ -85,18 +89,6 @@ enum class EngineTriangleType
     SURFACE   = 2
 };
 
-/**
- * \struct EngineTriangle
- * \brief A triangle drawn by the graphics engine
- */
-struct EngineTriangle
-{
-    //! Triangle vertices
-    Vertex3D     triangle[3];
-    //! Triangle material
-    Material     material;
-};
-
 /**
   \enum EngineObjectType
   \brief Class of graphics engine object */
@@ -118,57 +110,6 @@ enum EngineObjectType
     ENG_OBJTYPE_METAL       = 6
 };
 
-
-/**
- * \struct EngineBaseObjDataTier
- * \brief Tier 3 of object tree (data)
- */
-struct EngineBaseObjDataTier
-{
-    EngineTriangleType      type = EngineTriangleType::TRIANGLES;
-    Material                material = {};
-
-    std::vector<Vertex3D>   vertices;
-    CVertexBuffer*          buffer = nullptr;
-    bool                    updateStaticBuffer = false;
-
-    Texture                 albedoTexture;
-    Texture                 emissiveTexture;
-    Texture                 materialTexture;
-    Texture                 normalTexture;
-    Texture                 detailTexture;
-
-    glm::vec2               uvOffset = { 0.0f, 0.0f };
-    glm::vec2               uvScale = { 1.0f, 1.0f };
-};
-
-/**
- * \struct BaseEngineObject
- * \brief Base (template) object - geometry for engine objects
- *
- * This is also the tier 1 of base object tree.
- */
-struct EngineBaseObject
-{
-    //! If true, base object is valid in objects vector
-    bool used = false;
-    //! Number of triangles
-    int                    totalTriangles = 0;
-    //! Bounding box min (origin 0,0,0 always included)
-    glm::vec3           bboxMin{ 0, 0, 0 };
-    //! bounding box max (origin 0,0,0 always included)
-    glm::vec3           bboxMax{ 0, 0, 0 };
-    //! A bounding sphere that contains all the vertices in this EngineBaseObject
-    Math::Sphere           boundingSphere;
-    //! Next tier
-    std::vector<EngineBaseObjDataTier> next;
-
-    inline void LoadDefault()
-    {
-        *this = EngineBaseObject();
-    }
-};
-
 /**
  * \struct EngineObject
  * \brief Object drawn by the graphics engine
@@ -875,7 +816,7 @@ public:
     //! Specifies whether to draw the foreground
     void            SetOverFront(bool front);
     //! Sets the foreground overlay color
-    void            SetOverColor(const Color& color = Color(), TransparencyMode mode = TransparencyMode::BLACK);
+    void            SetOverColor(const Color& color, TransparencyMode mode);
 
     //@{
     //! Management of the particle density
@@ -1335,15 +1276,6 @@ protected:
     //! Type of mouse cursor
     EngineMouseType m_mouseType;
 
-    //! Last engine render state (-1 at the beginning of frame)
-    int             m_lastState;
-    //! Last color set with render state
-    Color           m_lastColor;
-    //! Last texture names for 2 used texture stages
-    std::string     m_lastTexture[2];
-    //! Last material
-    Material        m_lastMaterial;
-
     //! True when drawing 2D UI
     bool            m_interfaceMode;
 
diff --git a/src/graphics/engine/lightning.cpp b/src/graphics/engine/lightning.cpp
index abfe4624..fb5e41b2 100644
--- a/src/graphics/engine/lightning.cpp
+++ b/src/graphics/engine/lightning.cpp
@@ -24,6 +24,7 @@
 #include "common/logger.h"
 
 #include "graphics/core/device.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/camera.h"
 #include "graphics/engine/terrain.h"
diff --git a/src/graphics/engine/particle.cpp b/src/graphics/engine/particle.cpp
index b61eb0a9..b689b9e4 100644
--- a/src/graphics/engine/particle.cpp
+++ b/src/graphics/engine/particle.cpp
@@ -26,6 +26,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/triangle.h"
 
 #include "graphics/engine/engine.h"
 #include "graphics/engine/terrain.h"
@@ -73,7 +74,7 @@ static bool IsAlien(ObjectType type)
 }
 
 CParticle::CParticle(CEngine* engine)
-    : m_engine(engine)
+    : m_engine(engine), m_triangle(MAXPARTICULE)
 {
     std::fill_n(m_frameUpdate, SH_MAX, true);
 }
diff --git a/src/graphics/engine/particle.h b/src/graphics/engine/particle.h
index b0dfff6d..f0966346 100644
--- a/src/graphics/engine/particle.h
+++ b/src/graphics/engine/particle.h
@@ -31,6 +31,7 @@
 
 #include "sound/sound_type.h"
 
+#include <vector>
 
 class CRobotMain;
 class CObject;
@@ -42,6 +43,7 @@ namespace Gfx
 {
 
 class CParticleRenderer;
+struct EngineTriangle;
 
 const short MAXPARTICULE = 500;
 const short MAXPARTITYPE = 6;
@@ -344,7 +346,7 @@ protected:
     CParticleRenderer* m_renderer = nullptr;
 
     Particle       m_particle[MAXPARTICULE*MAXPARTITYPE];
-    EngineTriangle m_triangle[MAXPARTICULE];  // triangle if PartiType == 0
+    std::vector<EngineTriangle> m_triangle;  // triangle if PartiType == 0
     Track          m_track[MAXTRACK];
     int           m_wheelTraceTotal = 0;
     int           m_wheelTraceIndex = 0;
diff --git a/src/graphics/engine/planet.cpp b/src/graphics/engine/planet.cpp
index 8f237df5..a2c78552 100644
--- a/src/graphics/engine/planet.cpp
+++ b/src/graphics/engine/planet.cpp
@@ -24,6 +24,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 
diff --git a/src/graphics/engine/pyro.cpp b/src/graphics/engine/pyro.cpp
index 55895f09..dc047c41 100644
--- a/src/graphics/engine/pyro.cpp
+++ b/src/graphics/engine/pyro.cpp
@@ -24,6 +24,8 @@
 
 #include "common/logger.h"
 
+#include "graphics/core/triangle.h"
+
 #include "graphics/engine/lightman.h"
 #include "graphics/engine/particle.h"
 #include "graphics/engine/terrain.h"
diff --git a/src/graphics/engine/terrain.cpp b/src/graphics/engine/terrain.cpp
index 341e176b..ab1641a0 100644
--- a/src/graphics/engine/terrain.cpp
+++ b/src/graphics/engine/terrain.cpp
@@ -17,7 +17,6 @@
  * along with this program. If not, see http://gnu.org/licenses
  */
 
-
 #include "graphics/engine/terrain.h"
 
 #include "app/app.h"
@@ -25,6 +24,8 @@
 #include "common/image.h"
 #include "common/logger.h"
 
+#include "graphics/core/triangle.h"
+
 #include "graphics/engine/engine.h"
 #include "graphics/engine/water.h"
 
diff --git a/src/graphics/engine/text.cpp b/src/graphics/engine/text.cpp
index 02bb3150..87c2d9ff 100644
--- a/src/graphics/engine/text.cpp
+++ b/src/graphics/engine/text.cpp
@@ -30,6 +30,7 @@
 #include "common/resources/resourcemanager.h"
 
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 
diff --git a/src/graphics/engine/water.cpp b/src/graphics/engine/water.cpp
index 14d4e887..70d85d58 100644
--- a/src/graphics/engine/water.cpp
+++ b/src/graphics/engine/water.cpp
@@ -25,6 +25,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 #include "graphics/engine/terrain.h"
diff --git a/src/graphics/model/model_input.cpp b/src/graphics/model/model_input.cpp
index 6bb0fcd1..a49324cf 100644
--- a/src/graphics/model/model_input.cpp
+++ b/src/graphics/model/model_input.cpp
@@ -402,7 +402,7 @@ CModelMesh ModelInput::ReadTextMesh(std::istream& stream)
         bool doubleSided = ReadLineString(stream, "dbl_side") == std::string("Y");
         t.material.cullFace = doubleSided ? CullFace::NONE : CullFace::BACK;
 
-        if (t.material.alphaMode != AlphaMode::OPAQUE)
+        if (t.material.alphaMode != AlphaMode::NONE)
             t.material.alphaThreshold = 0.5f;
 
         mesh.AddTriangle(t);
@@ -647,7 +647,7 @@ void ModelInput::ConvertFromOldRenderState(ModelTriangle& triangle, int state)
         triangle.material.alphaThreshold = 0.5f;
     }
     else
-        triangle.material.alphaMode = AlphaMode::OPAQUE;
+        triangle.material.alphaMode = AlphaMode::NONE;
 
     if ((state & static_cast<int>(ModelRenderState::Part1)) != 0)
         triangle.material.tag = "tracker_right";
@@ -891,11 +891,11 @@ Math::Sphere ModelInput::ParseCameraCollisionSphere(const std::string& text)
 AlphaMode ModelInput::ParseTransparentMode(const std::string& text)
 {
     if (text == "none")
-        return AlphaMode::OPAQUE;
+        return AlphaMode::NONE;
     else if (text == "alpha")
         return AlphaMode::MASK;
     else
-        return AlphaMode::OPAQUE;
+        return AlphaMode::NONE;
 }
 
 std::string ModelInput::ParseSpecialMark(const std::string& text)
diff --git a/src/graphics/opengl/gl33device.cpp b/src/graphics/opengl/gl33device.cpp
index 7f6596d9..a2d14b2e 100644
--- a/src/graphics/opengl/gl33device.cpp
+++ b/src/graphics/opengl/gl33device.cpp
@@ -27,6 +27,8 @@
 #include "common/make_unique.h"
 
 #include "graphics/core/light.h"
+#include "graphics/core/material.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 
diff --git a/src/graphics/opengl/gl33device.h b/src/graphics/opengl/gl33device.h
index 1db93197..7617e994 100644
--- a/src/graphics/opengl/gl33device.h
+++ b/src/graphics/opengl/gl33device.h
@@ -26,8 +26,6 @@
 
 #include "graphics/core/device.h"
 
-#include "graphics/core/material.h"
-
 #include "graphics/opengl/glframebuffer.h"
 #include "graphics/opengl/glutil.h"
 
@@ -43,6 +41,9 @@
 namespace Gfx
 {
 
+enum class CullFace : unsigned char;
+enum class TransparencyMode : unsigned char;
+
 //! Struct for dynamic buffers
 struct DynamicBuffer
 {
@@ -196,9 +197,9 @@ private:
     //! Depth mask
     bool m_depthMask = true;
     //! Cull face mode
-    CullFace m_cullFace = CullFace::NONE;
+    CullFace m_cullFace = {};
     //! Transparency mode
-    TransparencyMode m_transparency = TransparencyMode::NONE;
+    TransparencyMode m_transparency = {};
 };
 
 } // namespace Gfx
diff --git a/src/graphics/opengl/gl33objectrenderer.cpp b/src/graphics/opengl/gl33objectrenderer.cpp
index ee15a354..2986b30b 100644
--- a/src/graphics/opengl/gl33objectrenderer.cpp
+++ b/src/graphics/opengl/gl33objectrenderer.cpp
@@ -22,6 +22,8 @@
 #include "graphics/opengl/gl33device.h"
 #include "graphics/opengl/glutil.h"
 
+#include "graphics/core/material.h"
+#include "graphics/core/transparency.h"
 #include "graphics/core/vertex.h"
 
 #include "common/logger.h"
diff --git a/src/graphics/opengl/gl33particlerenderer.cpp b/src/graphics/opengl/gl33particlerenderer.cpp
index d99435b8..06948879 100644
--- a/src/graphics/opengl/gl33particlerenderer.cpp
+++ b/src/graphics/opengl/gl33particlerenderer.cpp
@@ -3,6 +3,8 @@
 #include "graphics/opengl/gl33device.h"
 #include "graphics/opengl/glutil.h"
 
+#include "graphics/core/material.h"
+#include "graphics/core/transparency.h"
 #include "graphics/core/vertex.h"
 
 #include "common/logger.h"
diff --git a/src/graphics/opengl/gl33renderers.cpp b/src/graphics/opengl/gl33renderers.cpp
index 21000128..5984b621 100644
--- a/src/graphics/opengl/gl33renderers.cpp
+++ b/src/graphics/opengl/gl33renderers.cpp
@@ -3,6 +3,8 @@
 #include "graphics/opengl/gl33device.h"
 #include "graphics/opengl/glutil.h"
 
+#include "graphics/core/material.h"
+#include "graphics/core/transparency.h"
 #include "graphics/core/vertex.h"
 
 #include "common/logger.h"
diff --git a/src/level/robotmain.cpp b/src/level/robotmain.cpp
index 9f53e79e..83393008 100644
--- a/src/level/robotmain.cpp
+++ b/src/level/robotmain.cpp
@@ -37,6 +37,8 @@
 #include "common/resources/outputstream.h"
 #include "common/resources/resourcemanager.h"
 
+#include "graphics/core/material.h"
+
 #include "graphics/engine/camera.h"
 #include "graphics/engine/cloud.h"
 #include "graphics/engine/engine.h"
@@ -446,7 +448,7 @@ void CRobotMain::ChangePhase(Phase phase)
         m_engine->SetBackground("");
         m_engine->SetBackForce(false);
         m_engine->SetForegroundName("");
-        m_engine->SetOverColor();
+        m_engine->SetOverColor(Gfx::Color(), Gfx::TransparencyMode::BLACK);
         m_engine->DeleteGroundMark(0);
         SetSpeed(1.0f);
         m_terrain->SetWind(glm::vec3(0.0f, 0.0f, 0.0f));
diff --git a/src/ui/controls/button.cpp b/src/ui/controls/button.cpp
index e6e4c371..0f188d51 100644
--- a/src/ui/controls/button.cpp
+++ b/src/ui/controls/button.cpp
@@ -26,6 +26,7 @@
 #include "graphics/engine/engine.h"
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 
 namespace Ui
diff --git a/src/ui/controls/check.cpp b/src/ui/controls/check.cpp
index a971a7e4..b4ffbc73 100644
--- a/src/ui/controls/check.cpp
+++ b/src/ui/controls/check.cpp
@@ -25,6 +25,8 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 #include "graphics/engine/text.h"
 
diff --git a/src/ui/controls/color.cpp b/src/ui/controls/color.cpp
index a8352999..c70d8bf5 100644
--- a/src/ui/controls/color.cpp
+++ b/src/ui/controls/color.cpp
@@ -25,6 +25,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 
diff --git a/src/ui/controls/control.cpp b/src/ui/controls/control.cpp
index 8d3c857e..c2816116 100644
--- a/src/ui/controls/control.cpp
+++ b/src/ui/controls/control.cpp
@@ -29,6 +29,7 @@
 #include "level/robotmain.h"
 
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "math/func.h"
 
diff --git a/src/ui/controls/edit.cpp b/src/ui/controls/edit.cpp
index e1249295..9da4933d 100644
--- a/src/ui/controls/edit.cpp
+++ b/src/ui/controls/edit.cpp
@@ -32,6 +32,8 @@
 #include "common/resources/outputstream.h"
 
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 
 #include "level/parser/parser.h"
diff --git a/src/ui/controls/gauge.cpp b/src/ui/controls/gauge.cpp
index 5ea066c9..7d51bfe4 100644
--- a/src/ui/controls/gauge.cpp
+++ b/src/ui/controls/gauge.cpp
@@ -21,8 +21,10 @@
 #include "ui/controls/gauge.h"
 
 #include "graphics/engine/engine.h"
+
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 
 namespace Ui
diff --git a/src/ui/controls/group.cpp b/src/ui/controls/group.cpp
index ae47a371..7e5cf0cf 100644
--- a/src/ui/controls/group.cpp
+++ b/src/ui/controls/group.cpp
@@ -25,6 +25,8 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 
 #include "math/func.h"
diff --git a/src/ui/controls/image.cpp b/src/ui/controls/image.cpp
index e7c2a4ae..7f768815 100644
--- a/src/ui/controls/image.cpp
+++ b/src/ui/controls/image.cpp
@@ -25,6 +25,8 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 
 
diff --git a/src/ui/controls/key.cpp b/src/ui/controls/key.cpp
index 24305d95..ae8b7843 100644
--- a/src/ui/controls/key.cpp
+++ b/src/ui/controls/key.cpp
@@ -25,6 +25,8 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 
 #include "sound/sound.h"
diff --git a/src/ui/controls/map.cpp b/src/ui/controls/map.cpp
index 29b21801..b319af54 100644
--- a/src/ui/controls/map.cpp
+++ b/src/ui/controls/map.cpp
@@ -24,6 +24,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/terrain.h"
 #include "graphics/engine/water.h"
diff --git a/src/ui/controls/scroll.cpp b/src/ui/controls/scroll.cpp
index 407c4115..d2149e7e 100644
--- a/src/ui/controls/scroll.cpp
+++ b/src/ui/controls/scroll.cpp
@@ -25,6 +25,8 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 
 #include "ui/controls/button.h"
diff --git a/src/ui/controls/shortcut.cpp b/src/ui/controls/shortcut.cpp
index c11491c8..2c1c2006 100644
--- a/src/ui/controls/shortcut.cpp
+++ b/src/ui/controls/shortcut.cpp
@@ -24,6 +24,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include "graphics/engine/engine.h"
 
diff --git a/src/ui/controls/slider.cpp b/src/ui/controls/slider.cpp
index 6a79866a..8ef90415 100644
--- a/src/ui/controls/slider.cpp
+++ b/src/ui/controls/slider.cpp
@@ -25,6 +25,8 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
+
 #include "graphics/engine/engine.h"
 #include "graphics/engine/text.h"
 
diff --git a/src/ui/controls/window.cpp b/src/ui/controls/window.cpp
index 21a852fa..48eda236 100644
--- a/src/ui/controls/window.cpp
+++ b/src/ui/controls/window.cpp
@@ -40,6 +40,7 @@
 
 #include "graphics/core/device.h"
 #include "graphics/core/renderers.h"
+#include "graphics/core/transparency.h"
 
 #include <algorithm>
 
diff --git a/src/ui/mainui.cpp b/src/ui/mainui.cpp
index 15d827c9..ded71b4f 100644
--- a/src/ui/mainui.cpp
+++ b/src/ui/mainui.cpp
@@ -61,6 +61,8 @@
 #include "ui/screen/screen_setup_sound.h"
 #include "ui/screen/screen_welcome.h"
 
+#include "graphics/core/transparency.h"
+
 namespace Ui
 {
 
diff --git a/src/ui/screen/screen_welcome.cpp b/src/ui/screen/screen_welcome.cpp
index 01308173..8127b671 100644
--- a/src/ui/screen/screen_welcome.cpp
+++ b/src/ui/screen/screen_welcome.cpp
@@ -23,6 +23,8 @@
 
 #include "common/stringutils.h"
 
+#include "graphics/core/material.h"
+
 #include "graphics/engine/engine.h"
 
 #include "level/robotmain.h"