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fix crash if dif has interiorPathFollowers but no pathedInteriors #13

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Merged
RandomityGuy merged 1 commit into from
Feb 20, 2026
Merged

fix crash if dif has interiorPathFollowers but no pathedInteriors #13

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147 changes: 74 additions & 73 deletions blender_plugin/io_dif/import_dif.py
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Original file line number Diff line number Diff line change
Expand Up @@ -519,81 +519,82 @@ def load(
obj.matrix_world = global_matrix

for mover in dif.interiorPathfollowers:
pos = mover.offset
itr = pathedInteriors[mover.interiorResIndex]
itr: Object = itr.copy()
base = scene.collection.objects.link(itr)
itr.location = [-pos.x, -pos.y, -pos.z]
itr.dif_props.interior_type = "pathed_interior"
itr.dif_props.start_time = int(mover.properties.h.get("initialPosition", 0))
itr.dif_props.reverse = mover.properties.h.get("initialTargetPosition", 0) == "-2"
itr.dif_props.constant_speed = False

waypoints: list[WayPoint] = mover.wayPoint

markerpts = [
(waypt.position.x, waypt.position.y, waypt.position.z)
for waypt in waypoints
]

curve = bpy.data.curves.new("markers", type="CURVE")
curve.dimensions = "3D"
spline = curve.splines.new(type="POLY")
spline.points.add(len(markerpts) - 1)

for p, new_co in zip(spline.points, markerpts):
p.co = new_co + (1.0,)

path = bpy.data.objects.new("path", curve)
scene.collection.objects.link(path)

itr.dif_props.marker_path = curve

total_time = 0
for pt in waypoints:
total_time += pt.msToNext
itr.dif_props.total_time = total_time

if len(waypoints) > 0:
first_type = waypoints[0].smoothingType
if first_type == 0:
itr.dif_props.marker_type = "linear"
elif first_type == 1:
itr.dif_props.marker_type = "spline"
elif first_type == 2:
itr.dif_props.marker_type = "accelerate"
else:
itr.dif_props.marker_type = "linear"

if len(dif.triggers) > 0:
for trigger_id in mover.triggerId:
trigger = dif.triggers[trigger_id]
tobj = bpy.data.objects.new(trigger.datablock, None)
tobj.dif_props.interior_type = "path_trigger"
tobj.dif_props.pathed_interior_target = itr
tobj.dif_props.game_entity_datablock = trigger.datablock
tobj.dif_props.target_marker = False
for key in trigger.properties.h:
prop = tobj.dif_props.game_entity_properties.add()
prop.key = key
prop.value = trigger.properties.get(key)

t_min = mathutils.Vector((float('inf'), float('inf'), float('inf')))
t_max = mathutils.Vector((-float('inf'), -float('inf'), -float('inf')))
for p in trigger.polyhedron.pointList:
t_min.x = min(t_min.x, p.x)
t_min.y = min(t_min.y, p.y)
t_min.z = min(t_min.z, p.z)
if mover.interiorResIndex <= len(pathedInteriors) - 1:
pos = mover.offset
itr = pathedInteriors[mover.interiorResIndex]
itr: Object = itr.copy()
base = scene.collection.objects.link(itr)
itr.location = [-pos.x, -pos.y, -pos.z]
itr.dif_props.interior_type = "pathed_interior"
itr.dif_props.start_time = int(mover.properties.h.get("initialPosition", 0))
itr.dif_props.reverse = mover.properties.h.get("initialTargetPosition", 0) == "-2"
itr.dif_props.constant_speed = False

waypoints: list[WayPoint] = mover.wayPoint

markerpts = [
(waypt.position.x, waypt.position.y, waypt.position.z)
for waypt in waypoints
]

curve = bpy.data.curves.new("markers", type="CURVE")
curve.dimensions = "3D"
spline = curve.splines.new(type="POLY")
spline.points.add(len(markerpts) - 1)

t_max.x = max(t_max.x, p.x)
t_max.y = max(t_max.y, p.y)
t_max.z = max(t_max.z, p.z)
for p, new_co in zip(spline.points, markerpts):
p.co = new_co + (1.0,)

path = bpy.data.objects.new("path", curve)
scene.collection.objects.link(path)

itr.dif_props.marker_path = curve

total_time = 0
for pt in waypoints:
total_time += pt.msToNext
itr.dif_props.total_time = total_time

if len(waypoints) > 0:
first_type = waypoints[0].smoothingType
if first_type == 0:
itr.dif_props.marker_type = "linear"
elif first_type == 1:
itr.dif_props.marker_type = "spline"
elif first_type == 2:
itr.dif_props.marker_type = "accelerate"
else:
itr.dif_props.marker_type = "linear"

if len(dif.triggers) > 0:
for trigger_id in mover.triggerId:
trigger = dif.triggers[trigger_id]
tobj = bpy.data.objects.new(trigger.datablock, None)
tobj.dif_props.interior_type = "path_trigger"
tobj.dif_props.pathed_interior_target = itr
tobj.dif_props.game_entity_datablock = trigger.datablock
tobj.dif_props.target_marker = False
for key in trigger.properties.h:
prop = tobj.dif_props.game_entity_properties.add()
prop.key = key
prop.value = trigger.properties.get(key)

tobj.location = t_min
tobj.scale = mathutils.Vector((t_max.x - t_min.x, t_max.y - t_min.y, t_max.z - t_min.z))
tobj.location.y += tobj.scale.y
tobj.location += mathutils.Vector((trigger.offset.x, trigger.offset.y, trigger.offset.z))
scene.collection.objects.link(tobj)
t_min = mathutils.Vector((float('inf'), float('inf'), float('inf')))
t_max = mathutils.Vector((-float('inf'), -float('inf'), -float('inf')))
for p in trigger.polyhedron.pointList:
t_min.x = min(t_min.x, p.x)
t_min.y = min(t_min.y, p.y)
t_min.z = min(t_min.z, p.z)

t_max.x = max(t_max.x, p.x)
t_max.y = max(t_max.y, p.y)
t_max.z = max(t_max.z, p.z)

tobj.location = t_min
tobj.scale = mathutils.Vector((t_max.x - t_min.x, t_max.y - t_min.y, t_max.z - t_min.z))
tobj.location.y += tobj.scale.y
tobj.location += mathutils.Vector((trigger.offset.x, trigger.offset.y, trigger.offset.z))
scene.collection.objects.link(tobj)

if dif.gameEntities != None:
for ge in dif.gameEntities:
Expand Down