funscripting/fun_script.py at master · funjack/funscripting · GitHub

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# ##### BEGIN BSD LICENSE BLOCK #####

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are met:

# 1. Redistributions of source code must retain the above copyright notice, this

# list of conditions and the following disclaimer.

# 2. Redistributions in binary form must reproduce the above copyright notice,

# this list of conditions and the following disclaimer in the documentation

# and/or other materials provided with the distribution.

# 3. Neither the name of the copyright holder nor the names of its contributors

# may be used to endorse or promote products derived from this software without

# specific prior written permission.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# ##### END BSD LICENSE BLOCK #####

import bpy

from itertools import islice

def insert_actions(seq, actions, offset=0):

"""Insert into seq positions from the actions dict"""

for a in actions:

frame = ms_to_frame(a["at"]) + offset

insert_position(seq, a["pos"], frame)

def insert_stroke(seq, stroke, offset=0):

"""Insert into seq positions from the stroke dict"""

frame = offset

for i, p in enumerate(stroke):

frame = p["frame"] + offset

if i == 0:

# Do not override a keyframe at the start of the insert position.

if launch_keyframe(seq.name, frame) is not None:

continue

# XXX Maybe we should also remove any keyframes that already exists in

# the frame window of the new stroke?

insert_position(seq, p["value"], frame)

return frame

def insert_position(seq, position, frame):

"""Inserts in seq a keyframe with value position on frame."""

seq["launch"] = position

seq.keyframe_insert(data_path='["launch"]', frame=frame)

def delete_position(seq, frame):

"""Deletes from seq a keyframe on frame."""

seq.keyframe_delete(data_path='["launch"]', frame=frame)

def repeat_stroke(seq, frame_current):

"""Repeat the last stroke on the current frame"""

stroke = last_stroke(seq, frame_current)

if stroke is None or len(stroke) < 3:

return

return insert_stroke(seq, stroke, frame_current)

def repeat_fill_stroke(seq, frame_end):

"""Fill the the last stroke before end_frame until end_frame."""

stroke = last_stroke(seq, frame_end)

if stroke is None or len(stroke) < 3:

return

frame = frame_end

keyframes = launch_keyframes(seq.name)

for kf in reversed(keyframes):

frame = kf.co[0]

if frame > frame_end:

continue

if frame <= frame_end:

break

return fill_stroke(seq, stroke, frame, frame_end)

def fill_stroke(seq, stroke, frame_start, frame_end):

"""Fill between frame_start and frame_end with stroke."""

if stroke is None or len(stroke) < 3:

return

frame = frame_start

while frame + stroke[-1]["frame"] < frame_end:

frame = insert_stroke(seq, stroke, frame)

return frame

def last_stroke(seq, since_frame):

"""Returns the last stroke since frame."""

keyframes = launch_keyframes(seq.name)

if keyframes is None:

return

stroke = []

for kf in reversed(keyframes):

frame = kf.co[0]

value = kf.co[1]

if frame > since_frame:

continue

if frame <= since_frame:

stroke.append({"frame":frame, "value":value})

if len(stroke) == 3:

break

if len(stroke) < 3:

return

startframe = stroke[1]["frame"] - stroke[2]["frame"]

endframe = stroke[0]["frame"] - stroke[2]["frame"]

return [ {"frame": 0, "value": stroke[2]["value"] },

{"frame": startframe, "value": stroke[1]["value"] },

{"frame": endframe, "value": stroke[0]["value"] } ]

def create_funscript(keyframes, inverted, range=90):

"""Create Funscript from keyframes."""

script = []

for kf in keyframes:

time = frame_to_ms(int(kf.co[0]))

if time < 0:

continue

value = clamp(int(kf.co[1]))

script.append({"at": time, "pos": value})

return {"version": "1.0", "inverted": inverted, "range": range, "actions": script}

def clamp(value):

return 0 if value < 0 else 100 if value > 100 else value

def invert_launch_values(keyframes):

for kf in keyframes:

value = clamp(int(kf.co[1]))

kf.co[1] = 100 - value

def shift_launch_values(keyframes):

prev = None

for kf in keyframes:

if prev is None:

prev = kf.co[1]

continue

new = prev

prev = kf.co[1]

kf.co[1] = new

def selected_keyframes(keyframe_points):

"""Generator that yields selected keyframes."""

for k in keyframe_points:

if k.select_control_point:

yield k

def even_keyframes(keyframe_points):

"""Generator that yields all even keyframes."""

for k in islice(keyframe_points, 0, None, 2):

yield k

def odd_keyframes(keyframe_points):

"""Generator that yields all odd keyframes."""

for k in islice(keyframe_points, 1, None, 2):

yield k

def average_even_odd_keyframes(keyframe_points):

"""Average out all the even and odd frames in given points."""

kp = list(keyframe_points)

even = list(even_keyframes(kp))

odd = list(odd_keyframes(kp))

if len(even) > 0:

even_avg = sum(int(k.co[1]) for k in even) / len(even)

for k in even:

k.co[1] = int(even_avg)

if len(odd) > 0:

odd_avg = sum(int(k.co[1]) for k in odd) / len(odd)

for k in odd:

k.co[1] = int(odd_avg)

def launch_keyframes(name):

"""Return all keyframes from all actions fcurves in prop 'launch'."""

for a in bpy.data.actions:

for f in a.fcurves:

if f.data_path.endswith('["%s"]["launch"]' % name):

return f.keyframe_points

def launch_keyframe(name, frame):

"""Returns the keyframe value at frame."""

keyframes = launch_keyframes(name)

for kf in keyframes:

if kf.co[0] == frame:

return kf.co[1]

return None

def frame_to_ms(frame):

"""Returns time position in milliseconds for the given frame number."""

scene = bpy.context.scene

fps = scene.render.fps

fps_base = scene.render.fps_base

return round((frame-1)/fps*fps_base*1000)

def ms_to_frame(time):

"""Returns frame number for the given time position in milliseconds."""

scene = bpy.context.scene

fps = scene.render.fps

fps_base = scene.render.fps_base

return round(time/1000/fps_base*fps+1)

def launch_distance(speed, duration):

"""Returns the launch movement distance for given speed and time in ms."""

if speed <= 0 or duration <= 0:

return 0

time = pow(speed/25000, -0.95)

diff = time - duration

return 90 - int(diff/time*90)

funscripting/fun_script.py at master · funjack/funscripting · GitHub

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