diff --git a/src/graphics/core/device.h b/src/graphics/core/device.h
index c5b990d1..ca7fa15f 100644
--- a/src/graphics/core/device.h
+++ b/src/graphics/core/device.h
@@ -54,55 +54,38 @@ namespace Gfx
 struct DeviceConfig
 {
     //! Screen size
-    Math::IntPoint size;
+    Math::IntPoint size = Math::IntPoint(800, 600);
     //! Bits per pixel
-    int bpp;
+    int bpp = 32;
     //! Full screen
-    bool fullScreen;
+    bool fullScreen = false;
     //! Resizeable window
-    bool resizeable;
+    bool resizeable = true;
     //! Double buffering
-    bool doubleBuf;
+    bool doubleBuf = true;
     //! No window frame (also set with full screen)
-    bool noFrame;
+    bool noFrame = false;
 
     //! Size of red channel in bits
-    int redSize;
+    int redSize = 8;
     //! Size of green channel in bits
-    int greenSize;
+    int greenSize = 8;
     //! Size of blue channel in bits
-    int blueSize;
+    int blueSize = 8;
     //! Size of alpha channel in bits
-    int alphaSize;
+    int alphaSize = 8;
     //! Color depth in bits
-    int depthSize;
+    int depthSize = 24;
     //! Stencil depth in bits
-    int stencilSize;
+    int stencilSize = 8;
 
     //! Force hardware acceleration (video mode set will fail on lack of hw accel)
-    bool hardwareAccel;
-
-    //! Constructor calls LoadDefault()
-    DeviceConfig() { LoadDefault(); }
+    bool hardwareAccel = true;
 
     //! Loads the default values
-    inline void LoadDefault()
+    void LoadDefault()
     {
-        size = Math::IntPoint(800, 600);
-        bpp = 32;
-        fullScreen = false;
-        resizeable = true;
-        doubleBuf = true;
-        noFrame = false;
-
-        hardwareAccel = true;
-
-        redSize = 8;
-        blueSize = 8;
-        greenSize = 8;
-        alphaSize = 8;
-        depthSize = 24;
-        stencilSize = 8;
+        *this = DeviceConfig();
     }
 };
 
diff --git a/src/graphics/core/framebuffer.h b/src/graphics/core/framebuffer.h
index c5197ef2..d3e550ae 100644
--- a/src/graphics/core/framebuffer.h
+++ b/src/graphics/core/framebuffer.h
@@ -34,34 +34,22 @@ namespace Gfx
 struct FramebufferParams
 {
     //! Requested width of buffers
-    int width;
+    int width = 1024;
     //! Requested height of buffers
-    int height;
+    int height = 1024;
     //! Requested depth buffer
-    int depth;
+    int depth = 16;
     //! Requested number of samples for multisampling
-    int samples;
+    int samples = 1;
     //! true requests color texture
-    bool colorTexture;
+    bool colorTexture = false;
     //! true requests depth texture
-    bool depthTexture;
-
-
-    //! Initializes
-    FramebufferParams()
-    {
-        LoadDefault();
-    }
+    bool depthTexture = false;
 
     //! Loads default values
     void LoadDefault()
     {
-        width = 1024;
-        height = 1024;
-        depth = 16;
-        samples = 1;
-        colorTexture = false;
-        depthTexture = false;
+        *this = FramebufferParams();
     }
 };
 
diff --git a/src/graphics/core/light.h b/src/graphics/core/light.h
index e2938af7..5aa731dc 100644
--- a/src/graphics/core/light.h
+++ b/src/graphics/core/light.h
@@ -54,48 +54,32 @@ enum LightType
 struct Light
 {
     //! Type of light source
-    LightType  type;
+    LightType  type = LIGHT_POINT;
     //! Color of ambient light
-    Color      ambient;
+    Color      ambient = Color(0.4f, 0.4f, 0.4f);
     //! Color of diffuse light
-    Color      diffuse;
+    Color      diffuse = Color(0.8f, 0.8f, 0.8f);
     //! Color of specular light
-    Color      specular;
+    Color      specular = Color(1.0f, 1.0f, 1.0f);
     //! Position in world space (for point & spot lights)
-    Math::Vector    position;
+    Math::Vector    position = Math::Vector(0.0f, 0.0f, 0.0f);
     //! Direction in world space (for directional & spot lights)
-    Math::Vector    direction;
+    Math::Vector    direction = Math::Vector(0.0f, 0.0f, 1.0f);
     //! Constant attenuation factor
-    float           attenuation0;
+    float           attenuation0 = 1.0f;
     //! Linear attenuation factor
-    float           attenuation1;
+    float           attenuation1 = 0.0f;
     //! Quadratic attenuation factor
-    float           attenuation2;
+    float           attenuation2 = 0.0f;
     //! Angle of spotlight cone (0-PI/2 radians)
-    float           spotAngle;
-
+    float           spotAngle = Math::PI/2.0f;
     //! Intensity of spotlight (0 = uniform; 128 = most intense)
-    float           spotIntensity;
-
-    //! Constructor; calls LoadDefault()
-    Light()
-    {
-        LoadDefault();
-    }
+    float           spotIntensity = 0.0f;
 
     //! Loads default values
     void LoadDefault()
     {
-        type = LIGHT_POINT;
-        ambient = Color(0.4f, 0.4f, 0.4f);
-        diffuse = Color(0.8f, 0.8f, 0.8f);
-        specular = Color(1.0f, 1.0f, 1.0f);
-        position = Math::Vector(0.0f, 0.0f, 0.0f);
-        direction = Math::Vector(0.0f, 0.0f, 1.0f);
-        attenuation0 = 1.0f;
-        attenuation1 = attenuation2 = 0.0f;
-        spotAngle = Math::PI/2.0f;
-        spotIntensity = 0.0f;
+        *this = Light();
     }
 };
 
diff --git a/src/graphics/core/texture.h b/src/graphics/core/texture.h
index 34f95741..6ef9cf15 100644
--- a/src/graphics/core/texture.h
+++ b/src/graphics/core/texture.h
@@ -155,26 +155,18 @@ enum TexMixArgument
 struct TextureCreateParams
 {
     //! Whether to generate mipmaps
-    bool mipmap;
+    bool mipmap = false;
     //! Format of source image data
-    TexImgFormat format;
+    TexImgFormat format = TEX_IMG_RGB;
     //! General texture filtering mode
-    TexFilter filter;
+    TexFilter filter = TEX_FILTER_NEAREST;
     //! Pad the image to nearest power of 2 dimensions
-    bool padToNearestPowerOfTwo;
-
-    //! Constructor; calls LoadDefault()
-    TextureCreateParams()
-        { LoadDefault(); }
+    bool padToNearestPowerOfTwo = false;
 
     //! Loads the default values
-    inline void LoadDefault()
+    void LoadDefault()
     {
-        format = TEX_IMG_RGB;
-        mipmap = false;
-        padToNearestPowerOfTwo = false;
-
-        filter = TEX_FILTER_NEAREST;
+        *this = TextureCreateParams();
     }
 };
 
@@ -188,40 +180,28 @@ struct TextureCreateParams
 struct TextureStageParams
 {
     //! Mixing operation done on color values
-    TexMixOperation colorOperation;
+    TexMixOperation colorOperation = TEX_MIX_OPER_DEFAULT;
     //! 1st argument of color operations
-    TexMixArgument colorArg1;
+    TexMixArgument colorArg1 = TEX_MIX_ARG_COMPUTED_COLOR;
     //! 2nd argument of color operations
-    TexMixArgument colorArg2;
+    TexMixArgument colorArg2 = TEX_MIX_ARG_TEXTURE;
     //! Mixing operation done on alpha values
-    TexMixOperation alphaOperation;
+    TexMixOperation alphaOperation = TEX_MIX_OPER_DEFAULT;
     //! 1st argument of alpha operations
-    TexMixArgument alphaArg1;
+    TexMixArgument alphaArg1 = TEX_MIX_ARG_COMPUTED_COLOR;
     //! 2nd argument of alpha operations
-    TexMixArgument alphaArg2;
+    TexMixArgument alphaArg2 = TEX_MIX_ARG_TEXTURE;
     //! Wrap mode for 1st tex coord
-    TexWrapMode    wrapS;
+    TexWrapMode    wrapS = TEX_WRAP_REPEAT;
     //! Wrap mode for 2nd tex coord
-    TexWrapMode    wrapT;
+    TexWrapMode    wrapT = TEX_WRAP_REPEAT;
     //! Constant color factor (for TEX_MIX_ARG_FACTOR)
     Color          factor;
 
-    //! Constructor; calls LoadDefault()
-    TextureStageParams()
-        { LoadDefault(); }
-
     //! Loads the default values
-    inline void LoadDefault()
+    void LoadDefault()
     {
-        colorOperation = TEX_MIX_OPER_DEFAULT;
-        colorArg1 = TEX_MIX_ARG_COMPUTED_COLOR;
-        colorArg2 = TEX_MIX_ARG_TEXTURE;
-
-        alphaOperation = TEX_MIX_OPER_DEFAULT;
-        alphaArg1 = TEX_MIX_ARG_COMPUTED_COLOR;
-        alphaArg2 = TEX_MIX_ARG_TEXTURE;
-
-        wrapS = wrapT = TEX_WRAP_REPEAT;
+        *this = TextureStageParams();
     }
 };
 
@@ -255,22 +235,14 @@ struct TextureGenerationParams
 {
     struct Coord
     {
-        TexGenMode mode;
-        float plane[4];
+        TexGenMode mode = TEX_GEN_NONE;
+        float plane[4] = {};
     };
     Coord coords[4];
 
-    TextureGenerationParams()
+    void LoadDefault()
     {
-        LoadDefault();
-    }
-
-    inline void LoadDefault()
-    {
-        for (int i = 0; i < 4; i++)
-        {
-            coords[i].mode = TEX_GEN_NONE;
-        }
+        *this = TextureGenerationParams();
     }
 };
 
@@ -284,19 +256,13 @@ struct TextureGenerationParams
 struct Texture
 {
     //! ID of the texture in graphics engine; 0 = invalid texture
-    unsigned int id;
+    unsigned int id = 0;
     //! Size of texture
     Math::IntPoint size;
     //! Original size of texture (as loaded from image)
     Math::IntPoint originalSize;
     //! Whether the texture has alpha channel
-    bool alpha;
-
-    Texture()
-    {
-        id = 0;
-        alpha = false;
-    }
+    bool alpha = false;
 
     //! Returns whether the texture is valid (ID != 0)
     bool Valid() const
@@ -311,7 +277,7 @@ struct Texture
     }
 
     //! Comparator for use in texture maps and sets
-    inline bool operator<(const Texture &other) const
+    bool operator<(const Texture &other) const
     {
         // Invalid textures are always "less than" every other texture
 
@@ -328,7 +294,7 @@ struct Texture
     }
 
     //! Comparator
-    inline bool operator==(const Texture &other) const
+    bool operator==(const Texture &other) const
     {
         if (Valid() != other.Valid())
             return false;
diff --git a/src/graphics/model/model_io_structs.h b/src/graphics/model/model_io_structs.h
index 0091f4ac..a5366e69 100644
--- a/src/graphics/model/model_io_structs.h
+++ b/src/graphics/model/model_io_structs.h
@@ -23,8 +23,6 @@
 
 #include "graphics/model/model_triangle.h"
 
-#include <cstring>
-
 namespace Gfx
 {
 
@@ -166,18 +164,13 @@ struct ModelTriangleV3 : ModelTriangle {};
 struct OldModelHeader
 {
     //! Revision number
-    int revision;
+    int revision = 0;
     //! Version number
-    int version;
+    int version = 0;
     //! Total number of triangles
-    int totalTriangles;
+    int totalTriangles = 0;
     //! Reserved area
-    int reserved[10];
-
-    OldModelHeader()
-    {
-        memset(this, 0, sizeof(*this));
-    }
+    int reserved[10] = {0};
 };
 
 
@@ -189,20 +182,15 @@ struct OldModelHeader
  */
 struct OldModelTriangleV1
 {
-    char used;
-    char selected;
+    char used = 0;
+    char selected = 0;
     Vertex p1;
     Vertex p2;
     Vertex p3;
     Material material;
-    char texName[20];
-    float min;
-    float max;
-
-    OldModelTriangleV1()
-    {
-        memset(this, 0, sizeof(*this));
-    }
+    char texName[20] = {0};
+    float min = 0;
+    float max = 0;
 };
 
 /**
@@ -213,25 +201,20 @@ struct OldModelTriangleV1
  */
 struct OldModelTriangleV2
 {
-    char used;
-    char selected;
+    char used = 0;
+    char selected = 0;
     Vertex p1;
     Vertex p2;
     Vertex p3;
     Material material;
-    char texName[20];
-    float min;
-    float max;
-    long state;
-    short reserved1;
-    short reserved2;
-    short reserved3;
-    short reserved4;
-
-    OldModelTriangleV2()
-    {
-        memset(this, 0, sizeof(*this));
-    }
+    char texName[20] = {0};
+    float min = 0.0f;
+    float max = 0.0f;
+    long state = 0;
+    short reserved1 = 0;
+    short reserved2 = 0;
+    short reserved3 = 0;
+    short reserved4 = 0;
 };
 
 /**
@@ -242,25 +225,20 @@ struct OldModelTriangleV2
  */
 struct OldModelTriangleV3
 {
-    char used;
-    char selected;
+    char used = 0;
+    char selected = 0;
     VertexTex2 p1;
     VertexTex2 p2;
     VertexTex2 p3;
     Material   material;
-    char texName[20];
-    float min;
-    float max;
-    long state;
-    short texNum2;
-    short reserved2;
-    short reserved3;
-    short reserved4;
-
-    OldModelTriangleV3()
-    {
-        memset(this, 0, sizeof(*this));
-    }
+    char texName[20] = {0};
+    float min = 0.0f;
+    float max = 0.0f;
+    long state = 0;
+    short texNum2 = 0;
+    short reserved2 = 0;
+    short reserved3 = 0;
+    short reserved4 = 0;
 };
 
 } // namespace Gfx