#softimage PlayControl.Key manipulation plugin

gistfile1.py

#---------------------------------------------------------------------#
#---------------------------------------------------------------------#
#---------------------------------------------------------------------#
import time

import win32api as win
from win32com.client import constants as c

#---------------------------------------------------------------------#
#------For Instantination---------------------------------------------#
#---------------------------------------------------------------------#
xsi = Application
FASTPLAYBACK_CACHESIZE = 9000  # kb/frame
KEYREPEAT_MARGIN = 0.5
GIZMO_RATE = 3

pc = lambda: xsi.Dictionary.GetObject("PlayControl")
greenkey = lambda: pc().Parameters("Key")


#---------------------------------------------------------------------#
#---------- Register XSI PluginManager--------------------------------#
#---------------------------------------------------------------------#
def XSILoadPlugin(in_reg):
    in_reg.Author = "anamorphobia"
    in_reg.Name = "green timeline"
    in_reg.Email = "yamahigashi@gmail.com"
    in_reg.URL = ""
    in_reg.Major = 0
    in_reg.Minor = 1

    in_reg.RegisterCommand("gsx_next_greenkey")
    in_reg.RegisterCommand("gsx_prev_greenkey")

    return True


def XSIUnloadPlugin(in_reg):
    strPluginName = in_reg.Name
    Application.LogMessage(str(strPluginName) + str(" has been unloaded."))
    return True


###############################################################################
def gsx_next_greenkey_Init(ctxt):
    cmd = ctxt.Source
    #cmd.SetFlag(c.siNoLogging, True)


def gsx_prev_greenkey_Init(ctxt):
    cmd = ctxt.Source
    #cmd.SetFlag(c.siNoLogging, True)
    #cmd.SetFlag(c.siAllowNotifications, False)


def gsx_next_greenkey_Execute():
    xsi.SetValue("preferences.scripting.cmdlog", False, "")
    NextFrame()
    ks = win.GetKeyboardState()
    pushed_code = [i for i in range(0x20, 0x8F) if ord(ks[i]) > 1]

    press_start = time.time()
    while win.GetAsyncKeyState(pushed_code[0]) \
          and time.time() < press_start + KEYREPEAT_MARGIN:
        pass

    prev_time = time.time()
    while win.GetAsyncKeyState(pushed_code[0]):
        current_time = time.time()
        if current_time - prev_time < 0.01666:
            time.sleep(0.4)
            xsi.Refresh()
            xsi.Desktop.RedrawUI()
            #win.SetForegroundWindow(xsi)

        xsi.Refresh()
        NextFrame()
        prev_time = current_time

    xsi.Refresh()
    xsi.SetValue("preferences.scripting.cmdlog", True, "")


def gsx_prev_greenkey_Execute():
    xsi.SetValue("preferences.scripting.cmdlog", False, "")
    PrevFrame()
    ks = win.GetKeyboardState()
    pushed_code = [i for i in range(0x20, 0x8F) if ord(ks[i]) > 1]

    press_start = time.time()
    while win.GetAsyncKeyState(pushed_code[0]) \
          and time.time() < press_start + KEYREPEAT_MARGIN:
        pass

    prev_time = time.time()
    while win.GetAsyncKeyState(pushed_code[0]):
        current_time = time.time()
        if current_time - prev_time < 0.01666:
            time.sleep(0.4)
        xsi.Refresh()
        PrevFrame()
        prev_time = current_time

    xsi.Refresh()
    xsi.SetValue("preferences.scripting.cmdlog", True, "")


def PrevFrame():
    greenkey().Value = greenkey().Value - 1


def NextFrame():
    greenkey().Value = greenkey().Value + 1