using System;
using System.Runtime.InteropServices;
using System.Security;

namespace Raylib
{
    public enum ConfigFlag
    {
        FLAG_SHOW_LOGO = 1,
        FLAG_FULLSCREEN_MODE = 2,
        FLAG_WINDOW_RESIZABLE = 4,
        FLAG_WINDOW_UNDECORATED = 8,
        FLAG_WINDOW_TRANSPARENT = 16,
        FLAG_WINDOW_HIDDEN = 128,
        FLAG_MSAA_4X_HINT = 32,
        FLAG_VSYNC_HINT = 64
    }

    public enum TraceLogType
    {
        LOG_ALL = 0,
        LOG_TRACE,
        LOG_DEBUG,
        LOG_INFO,
        LOG_WARNING,
        LOG_ERROR,
        LOG_FATAL,
        LOG_NONE
    }

    public enum KeyboardKey
    {
        KEY_APOSTROPHE = 39,
        KEY_COMMA = 44,
        KEY_MINUS = 45,
        KEY_PERIOD = 46,
        KEY_SLASH = 47,
        KEY_ZERO = 48,
        KEY_ONE = 49,
        KEY_TWO = 50,
        KEY_THREE = 51,
        KEY_FOUR = 52,
        KEY_FIVE = 53,
        KEY_SIX = 54,
        KEY_SEVEN = 55,
        KEY_EIGHT = 56,
        KEY_NINE = 57,
        KEY_SEMICOLON = 59,
        KEY_EQUAL = 61,
        KEY_A = 65,
        KEY_B = 66,
        KEY_C = 67,
        KEY_D = 68,
        KEY_E = 69,
        KEY_F = 70,
        KEY_G = 71,
        KEY_H = 72,
        KEY_I = 73,
        KEY_J = 74,
        KEY_K = 75,
        KEY_L = 76,
        KEY_M = 77,
        KEY_N = 78,
        KEY_O = 79,
        KEY_P = 80,
        KEY_Q = 81,
        KEY_R = 82,
        KEY_S = 83,
        KEY_T = 84,
        KEY_U = 85,
        KEY_V = 86,
        KEY_W = 87,
        KEY_X = 88,
        KEY_Y = 89,
        KEY_Z = 90,
        KEY_SPACE = 32,
        KEY_ESCAPE = 256,
        KEY_ENTER = 257,
        KEY_TAB = 258,
        KEY_BACKSPACE = 259,
        KEY_INSERT = 260,
        KEY_DELETE = 261,
        KEY_RIGHT = 262,
        KEY_LEFT = 263,
        KEY_DOWN = 264,
        KEY_UP = 265,
        KEY_PAGE_UP = 266,
        KEY_PAGE_DOWN = 267,
        KEY_HOME = 268,
        KEY_END = 269,
        KEY_CAPS_LOCK = 280,
        KEY_SCROLL_LOCK = 281,
        KEY_NUM_LOCK = 282,
        KEY_PRINT_SCREEN = 283,
        KEY_PAUSE = 284,
        KEY_F1 = 290,
        KEY_F2 = 291,
        KEY_F3 = 292,
        KEY_F4 = 293,
        KEY_F5 = 294,
        KEY_F6 = 295,
        KEY_F7 = 296,
        KEY_F8 = 297,
        KEY_F9 = 298,
        KEY_F10 = 299,
        KEY_F11 = 300,
        KEY_F12 = 301,
        KEY_LEFT_SHIFT = 340,
        KEY_LEFT_CONTROL = 341,
        KEY_LEFT_ALT = 342,
        KEY_LEFT_SUPER = 343,
        KEY_RIGHT_SHIFT = 344,
        KEY_RIGHT_CONTROL = 345,
        KEY_RIGHT_ALT = 346,
        KEY_RIGHT_SUPER = 347,
        KEY_KB_MENU = 348,
        KEY_LEFT_BRACKET = 91,
        KEY_BACKSLASH = 92,
        KEY_RIGHT_BRACKET = 93,
        KEY_GRAVE = 96,
        KEY_KP_0 = 320,
        KEY_KP_1 = 321,
        KEY_KP_2 = 322,
        KEY_KP_3 = 323,
        KEY_KP_4 = 324,
        KEY_KP_5 = 325,
        KEY_KP_6 = 326,
        KEY_KP_7 = 327,
        KEY_KP_8 = 328,
        KEY_KP_9 = 329,
        KEY_KP_DECIMAL = 330,
        KEY_KP_DIVIDE = 331,
        KEY_KP_MULTIPLY = 332,
        KEY_KP_SUBTRACT = 333,
        KEY_KP_ADD = 334,
        KEY_KP_ENTER = 335,
        KEY_KP_EQUAL = 336
    }

    public enum AndroidButton
    {
        KEY_BACK = 4,
        KEY_MENU = 82,
        KEY_VOLUME_UP = 24,
        KEY_VOLUME_DOWN = 25
    }

    public enum MouseButton
    {
        MOUSE_LEFT_BUTTON = 0,
        MOUSE_RIGHT_BUTTON = 1,
        MOUSE_MIDDLE_BUTTON = 2
    }

    public enum GamepadNumber
    {
        GAMEPAD_PLAYER1 = 0,
        GAMEPAD_PLAYER2 = 1,
        GAMEPAD_PLAYER3 = 2,
        GAMEPAD_PLAYER4 = 3
    }

    public enum GamepadButton
    {
        GAMEPAD_BUTTON_UNKNOWN = 0,
        GAMEPAD_BUTTON_LEFT_FACE_UP,
        GAMEPAD_BUTTON_LEFT_FACE_RIGHT,
        GAMEPAD_BUTTON_LEFT_FACE_DOWN,
        GAMEPAD_BUTTON_LEFT_FACE_LEFT,
        GAMEPAD_BUTTON_RIGHT_FACE_UP,
        GAMEPAD_BUTTON_RIGHT_FACE_RIGHT,
        GAMEPAD_BUTTON_RIGHT_FACE_DOWN,
        GAMEPAD_BUTTON_RIGHT_FACE_LEFT,
        GAMEPAD_BUTTON_LEFT_TRIGGER_1,
        GAMEPAD_BUTTON_LEFT_TRIGGER_2,
        GAMEPAD_BUTTON_RIGHT_TRIGGER_1,
        GAMEPAD_BUTTON_RIGHT_TRIGGER_2,
        GAMEPAD_BUTTON_MIDDLE_LEFT,
        GAMEPAD_BUTTON_MIDDLE,
        GAMEPAD_BUTTON_MIDDLE_RIGHT,
        GAMEPAD_BUTTON_LEFT_THUMB,
        GAMEPAD_BUTTON_RIGHT_THUMB
    }

    public enum GamepadAxis
    {
        GAMEPAD_AXIS_UNKNOWN = 0,
        GAMEPAD_AXIS_LEFT_X,
        GAMEPAD_AXIS_LEFT_Y,
        GAMEPAD_AXIS_RIGHT_X,
        GAMEPAD_AXIS_RIGHT_Y,
        GAMEPAD_AXIS_LEFT_TRIGGER,
        GAMEPAD_AXIS_RIGHT_TRIGGER
    }

    public enum ShaderLocationIndex
    {
        LOC_VERTEX_POSITION = 0,
        LOC_VERTEX_TEXCOORD01,
        LOC_VERTEX_TEXCOORD02,
        LOC_VERTEX_NORMAL,
        LOC_VERTEX_TANGENT,
        LOC_VERTEX_COLOR,
        LOC_MATRIX_MVP,
        LOC_MATRIX_MODEL,
        LOC_MATRIX_VIEW,
        LOC_MATRIX_PROJECTION,
        LOC_VECTOR_VIEW,
        LOC_COLOR_DIFFUSE,
        LOC_COLOR_SPECULAR,
        LOC_COLOR_AMBIENT,
        LOC_MAP_ALBEDO,
        LOC_MAP_METALNESS,
        LOC_MAP_NORMAL,
        LOC_MAP_ROUGHNESS,
        LOC_MAP_OCCLUSION,
        LOC_MAP_EMISSION,
        LOC_MAP_HEIGHT,
        LOC_MAP_CUBEMAP,
        LOC_MAP_IRRADIANCE,
        LOC_MAP_PREFILTER,
        LOC_MAP_BRDF
    }

    public enum ShaderUniformDataType
    {
        UNIFORM_FLOAT = 0,
        UNIFORM_VEC2,
        UNIFORM_VEC3,
        UNIFORM_VEC4,
        UNIFORM_INT,
        UNIFORM_IVEC2,
        UNIFORM_IVEC3,
        UNIFORM_IVEC4,
        UNIFORM_SAMPLER2D
    }

    public enum MaterialMapType
    {
        MAP_ALBEDO = 0,
        MAP_METALNESS = 1,
        MAP_NORMAL = 2,
        MAP_ROUGHNESS = 3,
        MAP_OCCLUSION,
        MAP_EMISSION,
        MAP_HEIGHT,
        MAP_CUBEMAP,
        MAP_IRRADIANCE,
        MAP_PREFILTER,
        MAP_BRDF
    }

    public enum PixelFormat
    {
        UNCOMPRESSED_GRAYSCALE = 1,
        UNCOMPRESSED_GRAY_ALPHA,
        UNCOMPRESSED_R5G6B5,
        UNCOMPRESSED_R8G8B8,
        UNCOMPRESSED_R5G5B5A1,
        UNCOMPRESSED_R4G4B4A4,
        UNCOMPRESSED_R8G8B8A8,
        UNCOMPRESSED_R32,
        UNCOMPRESSED_R32G32B32,
        UNCOMPRESSED_R32G32B32A32,
        COMPRESSED_DXT1_RGB,
        COMPRESSED_DXT1_RGBA,
        COMPRESSED_DXT3_RGBA,
        COMPRESSED_DXT5_RGBA,
        COMPRESSED_ETC1_RGB,
        COMPRESSED_ETC2_RGB,
        COMPRESSED_ETC2_EAC_RGBA,
        COMPRESSED_PVRT_RGB,
        COMPRESSED_PVRT_RGBA,
        COMPRESSED_ASTC_4x4_RGBA,
        COMPRESSED_ASTC_8x8_RGBA
    }

    public enum TextureFilterMode
    {
        FILTER_POINT = 0,
        FILTER_BILINEAR,
        FILTER_TRILINEAR,
        FILTER_ANISOTROPIC_4X,
        FILTER_ANISOTROPIC_8X,
        FILTER_ANISOTROPIC_16X
    }

    public enum CubemapLayoutType
    {
        CUBEMAP_AUTO_DETECT = 0,
        CUBEMAP_LINE_VERTICAL,
        CUBEMAP_LINE_HORIZONTAL,
        CUBEMAP_CROSS_THREE_BY_FOUR,
        CUBEMAP_CROSS_FOUR_BY_THREE,
        CUBEMAP_PANORAMA
    }

    public enum TextureWrapMode
    {
        WRAP_REPEAT = 0,
        WRAP_CLAMP,
        WRAP_MIRROR_REPEAT,
        WRAP_MIRROR_CLAMP
    }

    public enum FontType
    {
        FONT_DEFAULT = 0,
        FONT_BITMAP,
        FONT_SDF
    }

    public enum BlendMode
    {
        BLEND_ALPHA = 0,
        BLEND_ADDITIVE,
        BLEND_MULTIPLIED
    }

    public enum GestureType
    {
        GESTURE_NONE = 0,
        GESTURE_TAP = 1,
        GESTURE_DOUBLETAP = 2,
        GESTURE_HOLD = 4,
        GESTURE_DRAG = 8,
        GESTURE_SWIPE_RIGHT = 16,
        GESTURE_SWIPE_LEFT = 32,
        GESTURE_SWIPE_UP = 64,
        GESTURE_SWIPE_DOWN = 128,
        GESTURE_PINCH_IN = 256,
        GESTURE_PINCH_OUT = 512
    }

    public enum CameraMode
    {
        CAMERA_CUSTOM = 0,
        CAMERA_FREE,
        CAMERA_ORBITAL,
        CAMERA_FIRST_PERSON,
        CAMERA_THIRD_PERSON
    }

    public enum CameraType
    {
        CAMERA_PERSPECTIVE = 0,
        CAMERA_ORTHOGRAPHIC
    }

    public enum NPatchType
    {
        NPT_9PATCH = 0,
        NPT_3PATCH_VERTICAL,
        NPT_3PATCH_HORIZONTAL
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Vector2
    {
        public float x;
        public float y;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Vector3
    {
        public float x;
        public float y;
        public float z;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Vector4
    {
        public float x;
        public float y;
        public float z;
        public float w;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Matrix
    {
        public float m0, m4, m8, m12;
        public float m1, m5, m9, m13;
        public float m2, m6, m10, m14;
        public float m3, m7, m11, m15;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Color
    {
        public byte r;
        public byte g;
        public byte b;
        public byte a;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Rectangle
    {
        public float x;
        public float y;
        public float width;
        public float height;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Image
    {
        public IntPtr data;
        public int width;
        public int height;
        public int mipmaps;
        public int format;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Texture2D
    {
        public uint id;
        public int width;
        public int height;
        public int mipmaps;
        public int format;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct RenderTexture2D
    {
        public uint id;
        public Texture2D texture;
        public Texture2D depth;
        public bool depthTexture;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct NPatchInfo
    {
        public Rectangle sourceRec;
        public int left;
        public int top;
        public int right;
        public int bottom;
        public int type;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct CharInfo
    {
        public int value;
        public Rectangle rec;
        public int offsetX;
        public int offsetY;
        public int advanceX;
        public IntPtr data;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Font
    {
        public Texture2D texture;
        public int baseSize;
        public int charsCount;
        public CharInfo[] chars;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Camera3D
    {
        public Vector3 position;
        public Vector3 target;
        public Vector3 up;
        public float fovy;
        public int type;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Camera2D
    {
        public Vector2 offset;
        public Vector2 target;
        public float rotation;
        public float zoom;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Mesh
    {
        public int vertexCount;
        public int triangleCount;
        public IntPtr vertices;
        public IntPtr texcoords;
        public IntPtr texcoords2;
        public IntPtr normals;
        public IntPtr tangents;
        public IntPtr colors;
        public IntPtr indices;
        public IntPtr animVertices;
        public IntPtr animNormals;
        public IntPtr boneIds;
        public IntPtr boneWeights;
        public uint vaoId;
        public uint vboId[7];
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Shader
    {
        public uint id;
        public int locs[MAX_SHADER_LOCATIONS];
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct MaterialMap
    {
        public Texture2D texture;
        public Color color;
        public float value;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Material
    {
        public Shader shader;
        public MaterialMap maps[MAX_MATERIAL_MAPS];
        public IntPtr params;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Transform
    {
        public Vector3 translation;
        public Quaternion rotation;
        public Vector3 scale;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct BoneInfo
    {
        public char name[32];
        public int parent;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Model
    {
        public Matrix transform;
        public int meshCount;
        public Mesh[] meshes;
        public int materialCount;
        public Material[] materials;
        public IntPtr meshMaterial;
        public int boneCount;
        public BoneInfo[] bones;
        public Transform[] bindPose;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct ModelAnimation
    {
        public int boneCount;
        public BoneInfo[] bones;
        public int frameCount;
        public Transform[][] framePoses;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Ray
    {
        public Vector3 position;
        public Vector3 direction;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct RayHitInfo
    {
        public bool hit;
        public float distance;
        public Vector3 position;
        public Vector3 normal;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct BoundingBox
    {
        public Vector3 min;
        public Vector3 max;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Wave
    {
        public uint sampleCount;
        public uint sampleRate;
        public uint sampleSize;
        public uint channels;
        public IntPtr data;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct Sound
    {
        public IntPtr audioBuffer;
        public uint source;
        public uint buffer;
        public int format;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct AudioStream
    {
        public uint sampleRate;
        public uint sampleSize;
        public uint channels;
        public IntPtr audioBuffer;
        public int format;
        public uint source;
        public uint buffers[2];
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public partial struct VrDeviceInfo
    {
        public int hResolution;
        public int vResolution;
        public float hScreenSize;
        public float vScreenSize;
        public float vScreenCenter;
        public float eyeToScreenDistance;
        public float lensSeparationDistance;
        public float interpupillaryDistance;
        public float lensDistortionValues[4];
        public float chromaAbCorrection[4];
    }
}