diff --git a/client/src/keys.ts b/client/src/keys.ts
new file mode 100644
index 0000000..d9c60cd
--- /dev/null
+++ b/client/src/keys.ts
@@ -0,0 +1,99 @@
+export const KEY_NONE = 0
+export const KEY_ENTER = 0x0d
+export const KEY_TAB = 0x09
+export const KEY_BACKSPACE = 0x08
+export const KEY_SHIFT = 0x10
+export const KEY_CTRL = 0x11
+export const KEY_ALT = 0x12
+export const KEY_PAUSE = 0x13
+export const KEY_CAPS_LOCK = 0x14
+export const KEY_ESCAPE = 0x1b
+export const KEY_SPACE = 0x20
+export const KEY_PAGE_UP = 0x21
+export const KEY_PAGE_DOWN = 0x22
+export const KEY_END = 0x23
+export const KEY_HOME = 0x24
+export const KEY_LEFT = 0x25
+export const KEY_UP = 0x26
+export const KEY_RIGHT = 0x27
+export const KEY_DOWN = 0x28
+export const KEY_INSERT = 0x2d
+export const KEY_DELETE = 0x2e
+export const KEY_0 = 0x30
+export const KEY_1 = 0x31
+export const KEY_2 = 0x32
+export const KEY_3 = 0x33
+export const KEY_4 = 0x34
+export const KEY_5 = 0x35
+export const KEY_6 = 0x36
+export const KEY_7 = 0x37
+export const KEY_8 = 0x38
+export const KEY_9 = 0x39
+export const KEY_A = 0x41
+export const KEY_B = 0x42
+export const KEY_C = 0x43
+export const KEY_D = 0x44
+export const KEY_E = 0x45
+export const KEY_F = 0x46
+export const KEY_G = 0x47
+export const KEY_H = 0x48
+export const KEY_I = 0x49
+export const KEY_J = 0x4a
+export const KEY_K = 0x4b
+export const KEY_L = 0x4c
+export const KEY_M = 0x4d
+export const KEY_N = 0x4e
+export const KEY_O = 0x4f
+export const KEY_P = 0x50
+export const KEY_Q = 0x51
+export const KEY_R = 0x52
+export const KEY_S = 0x53
+export const KEY_T = 0x54
+export const KEY_U = 0x55
+export const KEY_V = 0x56
+export const KEY_W = 0x57
+export const KEY_X = 0x58
+export const KEY_Y = 0x59
+export const KEY_Z = 0x5a
+export const KEY_LEFT_WINDOWS = 0x5b
+export const KEY_RIGHT_WINDOWS = 0x5c
+export const KEY_CONTEXT_MENU = 0x5d
+export const KEY_NUMPAD_0 = 0x60
+export const KEY_NUMPAD_1 = 0x61
+export const KEY_NUMPAD_2 = 0x62
+export const KEY_NUMPAD_3 = 0x63
+export const KEY_NUMPAD_4 = 0x64
+export const KEY_NUMPAD_5 = 0x65
+export const KEY_NUMPAD_6 = 0x66
+export const KEY_NUMPAD_7 = 0x67
+export const KEY_NUMPAD_8 = 0x68
+export const KEY_NUMPAD_9 = 0x69
+export const KEY_MULTIPLY = 0x6a
+export const KEY_ADD = 0x6b
+export const KEY_SEPARATOR = 0x6c
+export const KEY_SUBTRACT = 0x6d
+export const KEY_DECIMAL = 0x6e
+export const KEY_DIVIDE = 0x6f
+export const KEY_F1 = 0x70
+export const KEY_F2 = 0x71
+export const KEY_F3 = 0x72
+export const KEY_F4 = 0x73
+export const KEY_F5 = 0x74
+export const KEY_F6 = 0x75
+export const KEY_F7 = 0x76
+export const KEY_F8 = 0x77
+export const KEY_F9 = 0x78
+export const KEY_F10 = 0x79
+export const KEY_F11 = 0x7a
+export const KEY_F12 = 0x7b
+export const KEY_NUM_LOCK = 0x90
+export const KEY_SCROLL_LOCK = 0x91
+export const KEY_LEFT_SHIFT = 0xa0
+export const KEY_RIGHT_SHIFT = 0xa1
+export const KEY_LEFT_CTRL = 0xa2
+export const KEY_RIGHT_CTRL = 0xa3
+export const KEY_LEFT_ALT = 0xa4
+export const KEY_RIGHT_ALT = 0xa5
+export const VK_TILDE = 0xc0
+export const VK_LBUTTON = 0x01
+export const VK_RBUTTON = 0x02