Add Chromium-only Blender WebEngine parity work

tools/web/generate-modifier-extended-fixture.py

@@ -0,0 +1,152 @@
+import json
+import math
+import os
+import sys
+
+import bpy
+
+
+def mesh_object(name, vertices, edges, faces, location):
+    mesh = bpy.data.meshes.new(f"{name}Mesh")
+    mesh.from_pydata(vertices, edges, faces)
+    mesh.update()
+    obj = bpy.data.objects.new(name, mesh)
+    obj.location = location
+    bpy.context.scene.collection.objects.link(obj)
+    return obj
+
+
+def modifier_type_code(modifier):
+    items = bpy.types.Modifier.bl_rna.properties["type"].enum_items
+    return items[modifier.type].value
+
+
+def evaluated_mesh(obj, depsgraph):
+    evaluated = obj.evaluated_get(depsgraph)
+    mesh = evaluated.to_mesh(preserve_all_data_layers=True, depsgraph=depsgraph)
+    try:
+        mesh.calc_loop_triangles()
+        return {
+            "object": obj.name,
+            "vertexCount": len(mesh.vertices),
+            "triangleCount": len(mesh.loop_triangles),
+            "positions": [value for vertex in mesh.vertices for value in vertex.co],
+            "indices": [index for triangle in mesh.loop_triangles for index in triangle.vertices],
+        }
+    finally:
+        evaluated.to_mesh_clear()
+
+
+def main(output_dir):
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+
+    edge_split = mesh_object(
+        "ExtendedEdgeSplit",
+        [(0, 0, 0), (2, 0, 0), (0, 2, 0), (0, 0, 2)],
+        [],
+        [(0, 1, 2), (0, 3, 1)],
+        (-3, 0, 0),
+    )
+    edge_modifier = edge_split.modifiers.new("Native Edge Split", "EDGE_SPLIT")
+    edge_modifier.use_edge_angle = True
+    edge_modifier.use_edge_sharp = False
+    edge_modifier.split_angle = math.radians(30)
+
+    screw = mesh_object(
+        "ExtendedScrew",
+        [(1, 0, -1), (1, 0, 1)],
+        [(0, 1)],
+        [],
+        (3, 0, 0),
+    )
+    screw_modifier = screw.modifiers.new("Native Screw", "SCREW")
+    screw_modifier.axis = "Z"
+    screw_modifier.angle = math.tau
+    screw_modifier.steps = 8
+    screw_modifier.render_steps = 12
+    screw_modifier.iterations = 1
+    screw_modifier.use_merge_vertices = False
+
+    disabled = screw.modifiers.new("Disabled Edge Split", "EDGE_SPLIT")
+    disabled.show_viewport = False
+    disabled.show_render = True
+    disabled.show_in_editmode = True
+
+    displace = mesh_object(
+        "ExtendedDisplace",
+        [(-1, -1, -1), (1, -1, -1), (1, 1, -1), (-1, 1, -1),
+         (-1, -1, 1), (1, -1, 1), (1, 1, 1), (-1, 1, 1)],
+        [],
+        [(0, 1, 2, 3), (4, 7, 6, 5), (0, 4, 5, 1),
+         (1, 5, 6, 2), (2, 6, 7, 3), (4, 0, 3, 7)],
+        (7, 0, 0),
+    )
+    displace_modifier = displace.modifiers.new("Native Constant Displace", "DISPLACE")
+    displace_modifier.direction = "Z"
+    displace_modifier.space = "LOCAL"
+    displace_modifier.strength = 0.75
+    displace_modifier.mid_level = 0.25
+
+    blocked_displace = mesh_object(
+        "ExtendedDisplaceBlocked",
+        [(-1, -1, 0), (1, -1, 0), (1, 1, 0), (-1, 1, 0)],
+        [],
+        [(0, 1, 2, 3)],
+        (11, 0, 0),
+    )
+    blocked_modifier = blocked_displace.modifiers.new("Blocked RGB Displace", "DISPLACE")
+    blocked_modifier.direction = "RGB_TO_XYZ"
+    mesh_object(
+        "ExtendedDisplaceBlockedBaseline",
+        [(-1, -1, 0), (1, -1, 0), (1, 1, 0), (-1, 1, 0)],
+        [],
+        [(0, 1, 2, 3)],
+        (15, 0, 0),
+    )
+
+    scene = bpy.context.scene
+    scene.frame_set(1)
+    depsgraph = bpy.context.evaluated_depsgraph_get()
+    objects = [edge_split, screw, displace, blocked_displace]
+    golden = {
+        "schemaVersion": 1,
+        "taskId": "N-002",
+        "blenderVersion": bpy.app.version_string,
+        "fixture": "modifier_extended_native.blend",
+        "frame": scene.frame_current,
+        "objects": [
+            {
+                "name": obj.name,
+                "modifiers": [
+                    {
+                        "name": modifier.name,
+                        "type": modifier.type,
+                        "typeCode": modifier_type_code(modifier),
+                        "showViewport": modifier.show_viewport,
+                        "showRender": modifier.show_render,
+                        "showEditmode": modifier.show_in_editmode,
+                        "showOnCage": modifier.show_on_cage,
+                    }
+                    for modifier in obj.modifiers
+                ],
+            }
+            for obj in objects
+        ],
+        "meshes": [evaluated_mesh(obj, depsgraph) for obj in objects],
+        "tolerance": {"maxPositionError": 1e-5, "rmsPositionError": 1e-6},
+    }
+
+    os.makedirs(output_dir, exist_ok=True)
+    output_path = os.path.join(output_dir, golden["fixture"])
+    bpy.ops.wm.save_as_mainfile(filepath=output_path)
+    golden_dir = os.path.abspath(os.path.join(output_dir, "..", "..", "golden", "N-002"))
+    os.makedirs(golden_dir, exist_ok=True)
+    with open(os.path.join(golden_dir, "modifier_extended_native.json"), "w", encoding="utf-8") as handle:
+        json.dump(golden, handle, indent=2, sort_keys=True)
+        handle.write("\n")
+    print(f"modifier-extended-generated fixture={output_path}")
+
+
+if __name__ == "__main__":
+    args = sys.argv[sys.argv.index("--") + 1:]
+    main(os.path.abspath(args[0]))