Game key codes

Checked by game_key_is_down and game_key_clicked operations

gk_move_forward = 0 gk_move_backward = 1 gk_move_left = 2 gk_move_right = 3 gk_action = 4 gk_jump = 5 gk_attack = 6 gk_defend = 7 gk_kick = 8 gk_toggle_weapon_mode = 9 gk_equip_weapon_1 = 10 gk_equip_weapon_2 = 11 gk_equip_weapon_3 = 12 gk_equip_weapon_4 = 13 gk_equip_primary_weapon = 14 gk_equip_secondary_weapon = 15 gk_drop_weapon = 16 gk_sheath_weapon = 17 gk_leave = 18 gk_zoom = 19 gk_view_char = 20 gk_cam_toggle = 21 gk_view_orders = 22 gk_order_1 = 23 gk_order_2 = 24 gk_order_3 = 25 gk_order_4 = 26 gk_order_5 = 27 gk_order_6 = 28 gk_everyone_hear = 29 gk_infantry_hear = 30 gk_archers_hear = 31 gk_cavalry_hear = 32 gk_group0_hear = gk_infantry_hear gk_group1_hear = gk_archers_hear gk_group2_hear = gk_cavalry_hear gk_group3_hear = 33 gk_group4_hear = 34 gk_group5_hear = 35 gk_group6_hear = 36 gk_group7_hear = 37 gk_group8_hear = 38 gk_reverse_order_group = 39 gk_everyone_around_hear = 40 gk_mp_message_all = 41 gk_mp_message_team = 42 gk_character_window = 43 gk_inventory_window = 44 gk_party_window = 45 gk_quests_window = 46 gk_game_log_window = 47 gk_quick_save = 48 gk_crouch = 49 gk_order_7 = 50 gk_order_8 = 51
 * 1) gk_parry_then_attack = 8
 * 1) gk_order_halt = 22
 * 2) gk_order_follow = 23
 * 3) gk_order_charge = 24
 * 4) gk_order_dismount = 25
 * 5) gk_order_hold_fire_toggle = 26
 * 6) gk_order_advance = 27
 * 7) gk_order_fall_back = 28
 * 8) gk_order_stand_closer = 29
 * 9) gk_order_spread_out = 30
 * 10) gk_order_blunt_weapons_toggle = 31