496 lines
9.8 KiB
Odin
496 lines
9.8 KiB
Odin
// TODO(Ed) : This if its gets larget can be moved to its own package
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package sectr
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AnalogAxis :: f32
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AnalogStick :: struct {
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X, Y : f32
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}
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DigitalBtn :: struct {
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half_transitions : i32,
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ended_down : b32
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}
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btn_pressed :: proc( btn : DigitalBtn ) -> b32 {
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return btn.ended_down && btn.half_transitions > 0
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}
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pressed :: proc {
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btn_pressed,
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}
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MaxKeyboardKeys :: 256
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KeyboardKey :: enum {
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null = 0x00,
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enter = 0x01,
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tab = 0x02,
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space = 0x03,
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bracket_open = 0x04,
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bracket_close = 0x05,
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semicolon = 0x06,
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apostrophe = 0x07,
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comma = 0x08,
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period = 0x09,
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// 0x0A
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// 0x0B
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// 0x0C
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// 0x0D
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// 0x0E
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// 0x0F
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caps_lock = 0x10,
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scroll_lock = 0x11,
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num_lock = 0x12,
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left_alt = 0x13,
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left_shit = 0x14,
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left_control = 0x15,
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right_alt = 0x16,
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right_shift = 0x17,
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right_control = 0x18,
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// 0x19
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// 0x1A
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// 0x1B
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// 0x1C
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// 0x1D
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// 0x1C
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// 0x1D
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escape = 0x1F,
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F1 = 0x20,
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F2 = 0x21,
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F3 = 0x22,
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F4 = 0x23,
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F5 = 0x24,
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F6 = 0x25,
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F7 = 0x26,
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F8 = 0x27,
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F9 = 0x28,
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F10 = 0x29,
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F11 = 0x2A,
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F12 = 0x2B,
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print_screen = 0x2C,
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pause = 0x2D,
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// = 0x2E,
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backtick = 0x2F,
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nrow_0 = 0x30,
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nrow_1 = 0x31,
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nrow_2 = 0x32,
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nrow_3 = 0x33,
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nrow_4 = 0x34,
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nrow_5 = 0x35,
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nrow_6 = 0x36,
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nrow_7 = 0x37,
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nrow_8 = 0x38,
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nrow_9 = 0x39,
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hyphen = 0x3A,
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equals = 0x3B,
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backspace = 0x3C,
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backslash = 0x3D,
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slash = 0x3E,
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// = 0x3F,
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// = 0x40,
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A = 0x41,
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B = 0x42,
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C = 0x43,
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D = 0x44,
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E = 0x45,
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F = 0x46,
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G = 0x47,
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H = 0x48,
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I = 0x49,
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J = 0x4A,
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K = 0x4B,
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L = 0x4C,
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M = 0x4D,
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N = 0x4E,
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O = 0x4F,
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P = 0x50,
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Q = 0x51,
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R = 0x52,
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S = 0x53,
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T = 0x54,
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U = 0x55,
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V = 0x56,
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W = 0x57,
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X = 0x58,
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Y = 0x59,
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Z = 0x5A,
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insert = 0x5B,
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delete = 0x5C,
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home = 0x5D,
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end = 0x5E,
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page_up = 0x5F,
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page_down = 0x60,
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npad_0 = 0x61,
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npad_1 = 0x62,
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npad_2 = 0x63,
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npad_3 = 0x64,
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npad_4 = 0x65,
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npad_5 = 0x66,
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npad_6 = 0x67,
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npad_7 = 0x68,
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npad_8 = 0x69,
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npad_9 = 0x6A,
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npad_decimal = 0x6B,
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npad_equals = 0x6C,
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npad_plus = 0x6D,
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npad_minus = 0x6E,
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npad_multiply = 0x6F,
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npad_divide = 0x70,
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npad_enter = 0x71,
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count = 0x72
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}
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KeyboardState :: struct #raw_union {
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keys : [MaxKeyboardKeys] DigitalBtn,
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using individual : struct {
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enter,
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tab,
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space,
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bracket_open,
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bracket_close,
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semicolon,
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apostrophe,
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comma,
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period : DigitalBtn,
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__0x0A_0x0F_Unassigned__ : [ 6 * size_of( DigitalBtn )] u8,
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caps_lock,
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scroll_lock,
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num_lock,
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left_alt,
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left_shift,
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left_control,
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right_alt,
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right_shift,
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right_control : DigitalBtn,
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__0x19_0x1D_Unassigned__ : [ 6 * size_of( DigitalBtn )] u8,
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escape,
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F1,
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F2,
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F3,
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F4,
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F5,
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F6,
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F7,
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F8,
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F9,
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F10,
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F11,
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F12 : DigitalBtn,
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print_screen,
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pause : DigitalBtn,
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__0x2E_Unassigned__ : [size_of(DigitalBtn)] u8,
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backtick,
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nrow_0,
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nrow_1,
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nrow_2,
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nrow_3,
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nrow_4,
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nrow_5,
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nrow_6,
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nrow_7,
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nrow_8,
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nrow_9,
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hyphen,
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equals,
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backspace : DigitalBtn,
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backslash,
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slash : DigitalBtn,
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__0x3F_0x40_Unassigned__ : [ 2 * size_of(DigitalBtn)] u8,
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A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z : DigitalBtn,
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insert,
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delete,
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home,
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end,
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page_up,
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page_down : DigitalBtn,
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npad_0,
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npad_1,
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npad_2,
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npad_3,
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npad_4,
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npad_5,
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npad_6,
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npad_7,
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npad_8,
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npad_9,
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npad_decimal,
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npad_equals,
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npad_plus,
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npad_minus,
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npad_multiply,
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npad_divide,
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npad_enter : DigitalBtn
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}
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}
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MaxMouseBtns :: 16
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MouseBtn :: enum {
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Left = 0x0,
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Middle = 0x1,
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Right = 0x2,
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Side = 0x3,
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Forward = 0x4,
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Back = 0x5,
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Extra = 0x6,
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count
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}
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MouseState :: struct {
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using _ : struct #raw_union {
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btns : [16] DigitalBtn,
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using individual : struct {
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left, middle, right : DigitalBtn,
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side, forward, back, extra : DigitalBtn
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}
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},
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X, Y,
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vertical_wheel,
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horizontal_wheel : AnalogAxis
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}
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InputState :: struct {
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keyboard : KeyboardState,
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mouse : MouseState
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}
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import "core:os"
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import c "core:c/libc"
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import rl "vendor:raylib"
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poll_input :: proc( old, new : ^ InputState )
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{
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input_process_digital_btn :: proc ( old_state, new_state : ^ DigitalBtn, is_down : b32 )
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{
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new_state.ended_down = is_down
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had_transition := old_state.ended_down != new_state.ended_down
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if had_transition {
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new_state.half_transitions += 1
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}
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else {
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new_state.half_transitions = 0
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}
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}
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// Keyboard
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{
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check_range :: proc( old, new : ^ InputState, start, end : i32 )
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{
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for id := start; id < end; id += 1
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{
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// TODO(Ed) : LOOK OVER THIS...
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entry_old := & old.keyboard.keys[id - 1]
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entry_new := & new.keyboard.keys[id - 1]
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key_id := cast(KeyboardKey) id
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is_down := cast(b32) rl.IsKeyDown( to_raylib_key(id) )
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if is_down {
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nothing := true
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nothing = false
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}
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input_process_digital_btn( entry_old, entry_new, is_down )
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}
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}
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DeadBound_1 :: 0x0A
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DeadBound_2 :: 0x2E
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DeadBound_3 :: 0x19
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DeadBound_4 :: 0x3F
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check_range( old, new, cast(i32) KeyboardKey.enter, DeadBound_1 )
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check_range( old, new, cast(i32) KeyboardKey.caps_lock, DeadBound_2 )
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check_range( old, new, cast(i32) KeyboardKey.escape, DeadBound_3 )
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check_range( old, new, cast(i32) KeyboardKey.backtick, DeadBound_4 )
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check_range( old, new, cast(i32) KeyboardKey.A, cast(i32) KeyboardKey.count )
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}
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// Mouse
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{
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// Process Buttons
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for id : i32 = 0; id < i32(MouseBtn.count); id += 1
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{
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old_btn := & old.mouse.btns[id]
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new_btn := & new.mouse.btns[id]
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mouse_id := cast(MouseBtn) id
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is_down := cast(b32) rl.IsMouseButtonPressed( to_raylib_mouse_btn(id) )
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input_process_digital_btn( & old.mouse.left, & new.mouse.left, is_down )
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}
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mouse_pos := rl.GetMousePosition()
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new.mouse.X = mouse_pos.x
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new.mouse.Y = mouse_pos.y
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}
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}
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record_input :: proc( replay_file : os.Handle, input : ^ InputState ) {
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raw_data := slice_ptr( transmute(^ byte) input, size_of(InputState) )
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os.write( replay_file, raw_data )
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}
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play_input :: proc( replay_file : os.Handle, input : ^ InputState ) {
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raw_data := slice_ptr( transmute(^ byte) input, size_of(InputState) )
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total_read, result_code := os.read( replay_file, raw_data )
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if result_code == os.ERROR_HANDLE_EOF {
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rewind( replay_file )
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load_snapshot( & memory.snapshot[0] )
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}
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}
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to_raylib_key :: proc ( key : i32 ) -> rl.KeyboardKey {
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@static raylib_key_lookup_table := [?] rl.KeyboardKey {
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rl.KeyboardKey.KEY_NULL,
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rl.KeyboardKey.ENTER,
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rl.KeyboardKey.TAB,
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rl.KeyboardKey.SPACE,
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rl.KeyboardKey.LEFT_BRACKET,
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rl.KeyboardKey.RIGHT_BRACKET,
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rl.KeyboardKey.SEMICOLON,
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rl.KeyboardKey.APOSTROPHE,
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rl.KeyboardKey.COMMA,
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rl.KeyboardKey.PERIOD,
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cast(rl.KeyboardKey) 0, // 0x0A
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cast(rl.KeyboardKey) 0, // 0x0B
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cast(rl.KeyboardKey) 0, // 0x0C
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cast(rl.KeyboardKey) 0, // 0x0D
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cast(rl.KeyboardKey) 0, // 0x0E
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cast(rl.KeyboardKey) 0, // 0x0F
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rl.KeyboardKey.CAPS_LOCK,
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rl.KeyboardKey.SCROLL_LOCK,
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rl.KeyboardKey.NUM_LOCK,
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rl.KeyboardKey.LEFT_ALT,
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rl.KeyboardKey.LEFT_SHIFT,
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rl.KeyboardKey.LEFT_CONTROL,
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rl.KeyboardKey.RIGHT_ALT,
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rl.KeyboardKey.RIGHT_SHIFT,
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rl.KeyboardKey.RIGHT_CONTROL,
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cast(rl.KeyboardKey) 0, // 0x0F
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cast(rl.KeyboardKey) 0, // 0x0F
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cast(rl.KeyboardKey) 0, // 0x0F
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cast(rl.KeyboardKey) 0, // 0x0F
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cast(rl.KeyboardKey) 0, // 0x0F
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cast(rl.KeyboardKey) 0, // 0x0F
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cast(rl.KeyboardKey) 0, // 0x0F
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rl.KeyboardKey.ESCAPE,
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rl.KeyboardKey.F1,
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rl.KeyboardKey.F2,
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rl.KeyboardKey.F3,
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rl.KeyboardKey.F4,
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rl.KeyboardKey.F5,
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rl.KeyboardKey.F7,
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rl.KeyboardKey.F8,
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rl.KeyboardKey.F9,
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rl.KeyboardKey.F10,
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rl.KeyboardKey.F11,
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rl.KeyboardKey.F12,
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rl.KeyboardKey.PRINT_SCREEN,
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rl.KeyboardKey.PAUSE,
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cast(rl.KeyboardKey) 0, // 0x2E
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rl.KeyboardKey.GRAVE,
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cast(rl.KeyboardKey) '0',
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cast(rl.KeyboardKey) '1',
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cast(rl.KeyboardKey) '2',
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cast(rl.KeyboardKey) '3',
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cast(rl.KeyboardKey) '4',
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cast(rl.KeyboardKey) '5',
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cast(rl.KeyboardKey) '6',
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cast(rl.KeyboardKey) '7',
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cast(rl.KeyboardKey) '8',
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cast(rl.KeyboardKey) '9',
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rl.KeyboardKey.MINUS,
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rl.KeyboardKey.EQUAL,
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rl.KeyboardKey.BACKSPACE,
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rl.KeyboardKey.BACKSLASH,
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rl.KeyboardKey.SLASH,
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cast(rl.KeyboardKey) 0, // 0x3F
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cast(rl.KeyboardKey) 0, // 0x40
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rl.KeyboardKey.A,
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rl.KeyboardKey.B,
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rl.KeyboardKey.C,
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rl.KeyboardKey.D,
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rl.KeyboardKey.E,
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rl.KeyboardKey.F,
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rl.KeyboardKey.G,
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rl.KeyboardKey.H,
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rl.KeyboardKey.I,
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rl.KeyboardKey.J,
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rl.KeyboardKey.K,
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rl.KeyboardKey.L,
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rl.KeyboardKey.M,
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rl.KeyboardKey.N,
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rl.KeyboardKey.O,
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rl.KeyboardKey.P,
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rl.KeyboardKey.Q,
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rl.KeyboardKey.R,
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rl.KeyboardKey.S,
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rl.KeyboardKey.T,
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rl.KeyboardKey.U,
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rl.KeyboardKey.V,
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rl.KeyboardKey.W,
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rl.KeyboardKey.X,
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rl.KeyboardKey.Y,
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rl.KeyboardKey.Z,
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rl.KeyboardKey.INSERT,
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rl.KeyboardKey.DELETE,
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rl.KeyboardKey.HOME,
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rl.KeyboardKey.END,
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rl.KeyboardKey.PAGE_UP,
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rl.KeyboardKey.PAGE_DOWN,
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rl.KeyboardKey.KP_0,
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rl.KeyboardKey.KP_1,
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rl.KeyboardKey.KP_2,
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rl.KeyboardKey.KP_3,
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rl.KeyboardKey.KP_4,
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rl.KeyboardKey.KP_5,
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rl.KeyboardKey.KP_6,
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rl.KeyboardKey.KP_7,
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rl.KeyboardKey.KP_8,
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rl.KeyboardKey.KP_9,
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rl.KeyboardKey.KP_DECIMAL,
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rl.KeyboardKey.KP_EQUAL,
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rl.KeyboardKey.KP_ADD,
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rl.KeyboardKey.KP_SUBTRACT,
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rl.KeyboardKey.KP_MULTIPLY,
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rl.KeyboardKey.KP_DIVIDE,
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rl.KeyboardKey.KP_ENTER }
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return raylib_key_lookup_table[ key ]
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}
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to_raylib_mouse_btn :: proc ( btn : i32 ) -> rl.MouseButton {
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@static raylib_mouse_btn_lookup_table := [?] rl.MouseButton {
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rl.MouseButton.LEFT,
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rl.MouseButton.MIDDLE,
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rl.MouseButton.RIGHT,
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rl.MouseButton.SIDE,
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rl.MouseButton.FORWARD,
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rl.MouseButton.BACK,
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rl.MouseButton.EXTRA,
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}
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return raylib_mouse_btn_lookup_table[ btn ]
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}
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