Initial development version

123.py

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+# python2 hack
+import hou, os, sys
+sys.path.append(os.path.join(os.getenv('HOUDINI_USER_PREF_DIR'), 'scripts'))
+
+from hhacks import rop_redshift, install_aliases
+rop_redshift()
+install_aliases()
+

456.py

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+# python2 hack
+import hou, os, sys
+sys.path.append(os.path.join(os.getenv('HOUDINI_USER_PREF_DIR'), 'scripts'))
+
+from hhacks import install_aliases
+install_aliases()
+
+hou.setSimulationEnabled(False)

hhacks.py

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+# Set of startup scripts for SideFX's Houdini
+
+import hou
+
+# def render_flipbook():
+
+def install_aliases():
+    aliases = [
+        (3, "from hhacks import rop_redshift;rop_redshift()"),
+        (4, "from hhacks import redshift_quick_anim;redshift_quick_anim()"),
+        (5, "redshift_quick_anim()"),
+        (6, "make_sim_cache()"),
+        (9, "from hhacks import iprs; iprs()[0].killRender();iprs()[0].startRender()"),
+        (10, "from hhacks import *; render((hou.selectedNodes() or rop_redshift())[0])"),
+        (11, "from hhacks import save_n_render as fn; fn(inc=False)"),
+        (12, "from hhacks import save_n_render as fn; fn(inc=True)"),
+    ]
+    for fkey, hcmd in aliases:
+        hou.hscript("alias F{} 'python -c \\'{}\\''".format(fkey, hcmd))
+
+def rewind():
+    frame = int(hou.frame())
+    hou.setFrame(1)
+    return frame
+
+def make_sim_cache():
+    ffwd = rewind()
+    hou.node('/obj/smoke_output/make_cache').parm('execute').pressButton()
+    hou.setFrame(ffwd)
+
+def rop_redshift():
+    out = hou.node('/out')
+    rop = out.node('Redshift_ROP1')
+    if not rop:
+        rop = out.createNode('Redshift_ROP')
+        rop.moveToGoodPosition()
+        rop.parm("ProgressiveRenderingEnabled").set(True)
+        rop.parm('PrimaryGIEngine').set('RS_GIENGINE_BRUTE_FORCE')
+        rop.parm('SecondaryGIEngine').set('RS_GIENGINE_PHOTON_MAPPING')
+        rop.parm('UnifiedMaxSamples').set('1024')
+    ipr = out.node('Redshift_IPR1')
+    if not ipr:
+        ipr = out.createNode('Redshift_IPR')
+        ipr.moveToGoodPosition()
+        ipr.parm('linked_rop').set(rop.path())
+    return rop, ipr
+
+# Workaround for redshift rendering
+
+def redshift_quick_anim(end_frame=hou.playbar.playbackRange()[1]):
+    from time import sleep
+    rop, ipr = rop_redshift()
+    frame = int(hou.frame())
+    hou.setFrame(1)
+    hou.node('/obj/smoke_output/timeshift1').bypass(False)
+    print('range', frame, int(end_frame)+1)
+    for frame in range(frame, int(end_frame)+1):
+        print('rendering frame:', frame)
+        hou.node('/obj/smoke_output/timeshift1').parm('frame').setExpression('$F+{}-1'.format(frame))
+        rop.parm('ProgressiveRenderingNumPasses').set(64)
+        try:
+            rop.render()
+        except:
+            pass
+        sleep(40)
+    hou.node('/obj/smoke_output/timeshift1').bypass(True)
+    hou.setFrame(frame)
+
+def redshift_still():
+    redshift_quick_anim(end_frame=hou.frame())
+
+def save_n_render(inc=False):
+    if inc:
+        hou.hipFile.saveAndIncrementFileName()
+    else:
+        hou.hipFile.save()
+    if not hou.selectedNodes():
+        print("no node selected")
+        return 1
+    if not isinstance(hou.selectedNodes()[0], hou.RopNode):
+        print("no ROP node selected")
+        return 1
+    return render(hou.selectedNodes()[0])
+
+def render(rop):
+    x, y = [rop.parm(name) for name in 'executebackground', 'execute']
+    render = x or y
+    if not render:
+        print("not a render node")
+        return 1
+    render.pressButton()
+    return 0
+
+def iprs():
+    return [pane for pane in hou.ui.paneTabs() if isinstance(pane, hou.IPRViewer)]
+
+def ipr_render():
+    ipr = iprs()[0]
+    ipr.killRender()
+    ipr.startRender()