Add Simple xbox 360 emulator

1 files changed, 92 insertions, 6 deletions

diff --git a/scripts/sc-xbox.py b/scripts/sc-xbox.py
index 10d8e93..cd0fb4d 100755
--- a/scripts/sc-xbox.py
+++ b/scripts/sc-xbox.py
@@ -25,14 +25,100 @@
 """Steam Controller XBOX Driver"""
 
 import sys
-from steamcontroller import SteamController, SteamControllerInput
+from steamcontroller import \
+    SteamController, \
+    SteamControllerInput, \
+    SCStatus, \
+    SCButtons
 import steamcontroller.uinput
-from steamcontroller.uinput import Keys as K
-from steamcontroller.uinput import Axes as A
+from steamcontroller.uinput import Keys
+from steamcontroller.uinput import Axes
 
-def scInput2Uinput(sci, uinput):
-    # FIXME
-    pass
+prev_buttons = 0
+
+button_map = {
+    SCButtons.A      : Keys.BTN_A,
+    SCButtons.B      : Keys.BTN_B,
+    SCButtons.X      : Keys.BTN_X,
+    SCButtons.Y      : Keys.BTN_Y,
+    SCButtons.Back   : Keys.BTN_BACK,
+    SCButtons.Start  : Keys.BTN_START,
+    SCButtons.Steam  : Keys.BTN_MODE,
+    SCButtons.LB     : Keys.BTN_TL,
+    SCButtons.RB     : Keys.BTN_TR,
+    SCButtons.Stick  : Keys.BTN_THUMBL,
+    SCButtons.RPad   : Keys.BTN_THUMBR,
+    SCButtons.LGrip  : Keys.BTN_A,
+    SCButtons.RGrip  : Keys.BTN_B,
+}
+
+
+def lpad_func(x, btn, threshold, evstick, evtouch, clicked, invert):
+    global prev_buttons
+
+    removed = prev_buttons ^ btn
+
+    if btn & SCButtons.LPadTouch != SCButtons.LPadTouch:
+        return (evstick, x if not invert else -x)
+
+    if btn & (SCButtons.LPad if clicked else SCButtons.LPadTouch):
+        if x >= 0:
+            if x >= threshold:
+                x = 32767
+            else:
+                x = 0
+        else:
+            if x <= -threshold:
+                x = -32767
+            else:
+                x = 0
+        return (evtouch, x if not invert else -x)
+
+    if removed & SCButtons.LPadTouch != SCButtons.LPadTouch:
+        return (evstick,  0)
+
+    if removed & (SCButtons.LPad if clicked else SCButtons.LPadTouch):
+        return (evtouch, 0)
+
+    return (None, None)
+
+axis_map = {
+    'ltrig'  : lambda x, btn: (Axes.ABS_Z,  int(-32767 + ((x*2.0*32767.0)/255.))),
+    'rtrig'  : lambda x, btn: (Axes.ABS_RZ, int(-32767 + ((x*2.0*32767.0)/255.))),
+    'lpad_x' : lambda x, btn: lpad_func(x, btn, 16384, Axes.ABS_X, Axes.ABS_HAT0X, True, False),
+    'lpad_y' : lambda x, btn: lpad_func(x, btn, 16384, Axes.ABS_Y, Axes.ABS_HAT0Y, True, True),
+    'rpad_x' : lambda x, btn: (Axes.ABS_RX, x),
+    'rpad_y' : lambda x, btn: (Axes.ABS_RY, -x),
+}
+
+
+def scInput2Uinput(sci, xb):
+
+    global prev_buttons
+
+    if sci.status != SCStatus.Input:
+        return
+
+    removed = prev_buttons ^ sci.buttons
+
+    for btn, ev in button_map.items():
+
+        if btn == SCButtons.Stick and sci.buttons & SCButtons.LPadTouch:
+            xb.keyEvent(ev, 0)
+            continue
+
+        if sci.buttons & btn:
+            xb.keyEvent(ev, 1)
+        if removed & btn:
+            xb.keyEvent(ev, 0)
+
+    for name, func in axis_map.items():
+        ev, val = func(sci._asdict()[name], sci.buttons)
+        if ev != None:
+            xb.axisEvent(ev, val)
+
+    xb.synEvent()
+    prev_buttons = sci.buttons
 
 def _main():