Current File : //usr/share/systemtap/examples/stapgames/tapset/input.stp
# systemtap input tapset
# Copyright (C) 2008,2011 Masami Hiramatsu <masami.hiramatsu@gmail.com>
#
# This file is free software and is distributed under the terms of the GNU
# General Public License (GPL); either version 2, or (at your option) any
# later version.
probe game.input = kernel.function("input_event") {
type = $type
code = $code
value = $value
}
#TODO: convert keycode to char.
# elemental gamepad keys ;-P
global GM_KBD_UP =103
global GM_KBD_DOWN =108
global GM_KBD_RIGHT=106
global GM_KBD_LEFT =105
global GM_KBD_Z =44
global GM_KBD_X =45
global GM_KBD_C =46
global GM_KBD_ESC =1
global GM_KBD_SPACE=57
probe game.kbd = game.input {
if (type != 1 || code >= 256) next;
down = value
}
probe game.kbd.down = game.kbd {
if (!down) next
}
probe game.kbd.up = game.kbd {
if (down) next
}
# mouse
probe game.mouse = game.input {
if (!(type == 2 ||
(type == 1 && (code & 0xfe0) != 0x100) ) ) next #EV_KEY
}
probe game.mouse.rel = game.input {
if(type != 2) next #EV_REL
if(code == 0) dx = value
else if(code == 1) dy = value
else if(code == 8) dz = value
}
global GM_mouse_abs
global GM_mouse_base_x, GM_mouse_base_y
probe game.mouse.abs = game.input {
dx = dy = dz = 0
if (type == 1 && code == 0x145 && value == 0) {
# Leave a finger -- Reset position
GM_mouse_base_x = 0
GM_mouse_base_y = 0
next
} else if (type != 3) next #EV_ABS
if (code == 0) {
x = value
if (GM_mouse_base_x != 0)
dx = x - GM_mouse_base_x
GM_mouse_base_x = x
GM_mouse_abs[0] = value
} else if (code == 1) {
y = value
if (GM_mouse_base_y != 0)
dy = y - GM_mouse_base_y
GM_mouse_base_y = y
GM_mouse_abs[1] = value
}
}
global GM_mouse_btn
probe game.mouse.btn = game.input {
if (type != 1 || (code & 0xfe0) != 0x100) next #EV_KEY
button = code & 0xf
down = value
if (GM_mouse_btn[button] == down) next
GM_mouse_btn[button] = down
}
global GM_mouse_pos
probe game.mouse.rel, game.mouse.abs {
GM_mouse_pos[0] += dx
GM_mouse_pos[1] += dy
GM_mouse_pos[2] += dz
}
function game_mouse_reset(x:long, y:long, z:long) {
GM_mouse_pos[0] = x
GM_mouse_pos[1] = y
GM_mouse_pos[2] = z
}
function game_mouse_x:long() {
return GM_mouse_pos[0]
}
function game_mouse_y:long() {
return GM_mouse_pos[1]
}
function game_mouse_z:long() {
return GM_mouse_pos[2]
}
Mini Shell