339 lines
12 KiB
Python
339 lines
12 KiB
Python
from itertools import islice
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from collada import types
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def render_input_elements(key_name, semantic__semantic_index__stride):
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yield f"local input_elements_{key_name} = {{"
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for semantic, semantic_index, stride in semantic__semantic_index__stride:
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yield "{"
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yield f'semantic = "{semantic}",'
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yield f"semantic_index = {semantic_index},"
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yield f"format = collada_types.input_format.FLOAT{stride},"
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yield "},"
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yield "}"
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def render_triangles(geometry_name, items):
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yield f"local triangles_{geometry_name} = {{"
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for count, index_offset, inputs_index in items:
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yield "{"
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yield f"count = {count}, -- triangles"
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yield f"index_offset = {index_offset}, -- indices"
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yield f"inputs_index = {inputs_index}, -- index into inputs_list"
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yield "},"
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yield "}"
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def render_geometry(geometry_name,
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triangles_count,
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vertex_buffer_offset, vertex_buffer_size,
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index_buffer_offset, index_buffer_size):
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yield f"local geometry_{geometry_name} = {{"
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yield "mesh = {"
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yield f"triangles = triangles_{geometry_name},"
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yield f"triangles_count = {triangles_count},"
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yield ""
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yield f"vertex_buffer_offset = {vertex_buffer_offset},"
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yield f"vertex_buffer_size = {vertex_buffer_size},"
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yield ""
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yield f"index_buffer_offset = {index_buffer_offset},"
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yield f"index_buffer_size = {index_buffer_size},"
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yield "}"
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yield "}"
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def render_library_geometries(geometry_names):
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yield "local geometries = {"
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for geometry_name in geometry_names:
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yield f"geometry_{geometry_name},"
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yield "}"
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def render_float_tuple(t):
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s = ", ".join((f"{float(f)}" for f in t))
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return f"{{{s}}}"
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def render_lookat(eye, at, up):
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yield "type = collada_types.transform_type.LOOKAT,"
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yield "lookat = {"
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yield f"eye = {render_float_tuple(eye)}",
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yield f"at = {render_float_tuple(at)}",
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yield f"up = {render_float_tuple(up)}",
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yield "},"
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def render_matrix(fs):
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fsi = iter(fs)
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for i in range(4):
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s = ", ".join(f"{f}" for f in islice(fsi, 4))
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yield f"{s},"
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def render_transform_matrix(matrix):
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yield "type = collada_types.transform_type.MATRIX,"
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yield f"matrix = {render_float_tuple(matrix)},"
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def render_transform_rotate(rotate):
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yield "type = collada_types.transform_type.ROTATE,"
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yield f"rotate = {render_float_tuple(rotate)},"
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def render_transform_scale(scale):
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yield "type = collada_types.transform_type.SCALE,"
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yield f"scale = {render_float_tuple(scale)},"
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def render_transform_skew(skew):
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yield "type = collada_types.transform_type.SKEW,"
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yield f"skew = {render_float_tuple(skew)},"
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def render_transform_translate(translate):
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yield "type = collada_types.transform_type.TRANSLATE,"
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yield f"translate = {render_float_tuple(translate)},"
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def render_node_transforms(node_name, transformation_elements, render_transform):
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yield f"local transforms_{node_name} = {{"
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for transform in transformation_elements:
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yield "{"
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yield from render_transform(transform)
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yield "},"
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yield "}"
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def render_node_geometry_instance_materials(prefix, node_name, i,
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items):
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yield f"local {prefix}_instance_materials_{node_name}_{i} = {{"
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for element_index, material_name, emission_input_set, ambient_input_set, diffuse_input_set, specular_input_set in items:
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yield "{"
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yield f"element_index = {element_index}, -- an index into mesh.triangles"
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yield f"material = material_{material_name},"
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yield ""
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yield f"emission = {{ input_set = {emission_input_set} }},"
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yield f"ambient = {{ input_set = {ambient_input_set} }},"
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yield f"diffuse = {{ input_set = {diffuse_input_set} }},"
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yield f"specular = {{ input_set = {specular_input_set} }},"
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yield "},"
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yield "}"
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def render_node_instance_geometries(node_name, items):
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yield f"local instance_geometries_{node_name} = {{"
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for geometry_name, i, instance_materials_count in items:
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yield "{"
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yield f"geometry = geometry_{geometry_name},"
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yield ""
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yield f"instance_materials = instance_geometry_instance_materials_{node_name}_{i},"
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yield f"instance_materials_count = {instance_materials_count},"
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yield "},"
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yield "}"
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def render_node_channels(node_name, target_names):
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yield f"local node_channels_{node_name} = {{"
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for target_name in target_names:
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yield f"node_channel_{target_name},"
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yield "}"
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def render_node_instance_lights(node_name, light_names):
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yield f"local instance_lights_{node_name} = {{"
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for light_name in light_names:
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yield "{"
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yield f"light = light_{light_name},"
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yield "}"
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yield "}"
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def render_joint_node_indices(node_name, controller_name, items):
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yield f"local joint_node_indices_{node_name}_{controller_name} = {{"
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for joint_node_index, node_sid, joint_node_name in items:
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yield f"{joint_node_index}, -- {node_sid} {joint_node_name}"
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yield "}"
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def render_node_instance_controllers(node_name, items):
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yield f"local instance_controllers_{node_name} = {{"
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for controller_name, i, instance_materials_count in items:
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yield "{"
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yield f"controller = controller_{controller_name},"
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yield ""
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yield f"joint_node_indices = joint_node_indices_{node_name}_{controller_name},"
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yield f"joint_count = #joint_node_indices_{node_name}_{controller_name},"
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yield ""
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yield f"instance_materials = instance_controller_instance_materials_{node_name}_{i},"
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yield f"instance_materials_count = {instance_materials_count},"
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yield "},"
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yield "}"
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def render_node(node_name, parent_index, type,
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transforms_count,
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instance_geometries_count,
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instance_controllers_count,
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instance_lights_count,
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channels_count):
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yield f"local node_{node_name} = {{"
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yield f"parent_index = {parent_index},"
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yield ""
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yield f"type = collada_types.node_type.{type},"
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yield ""
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yield f"transforms = transforms_{node_name},"
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yield f"transforms_count = {transforms_count},"
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yield ""
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yield f"instance_geometries = instance_geometries_{node_name},"
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yield f"instance_geometries_count = {instance_geometries_count},"
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yield ""
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yield f"instance_controllers = instance_controllers_{node_name},"
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yield f"instance_controllers_count = {instance_controllers_count},"
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yield ""
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yield f"instance_lights = instance_lights_{node_name},"
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yield f"instance_lights_count = {instance_lights_count},"
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yield ""
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yield f"channels = node_channels_{node_name},"
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yield f"channels_count = {channels_count},"
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#yield ""
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#yield f"nodes = node_children_{node_name},"
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#yield f"nodes_count = {len(node.nodes)},"
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yield "}"
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def render_library_visual_scenes(items):
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yield "local nodes = {"
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for node_name, node_index in items:
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yield f"node_{node_name}, -- {node_index}"
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yield "}"
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def render_opt_color(field_name, color):
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yield f"{field_name} = {render_float_tuple(color.value)},"
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def render_opt_texture(field_name, image_index, image_id):
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yield f"{field_name} = {{ .image_index = {image_index} }}, -- {image_id}"
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def render_opt_color_or_texture(field_name, opt_type, render_body):
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yield f"{field_name} = {{"
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yield f"type = collada_types.color_or_texture_type.{opt_type},"
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yield from render_body()
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yield "},"
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def render_opt_float(field_name, value):
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yield f"{field_name} = {value},"
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def render_effect(effect_name, type_name, field_name, render_body):
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yield f"local effect_{effect_name} = {{"
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yield f"type = collada_types.effect_type.{type_name},"
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yield f"{field_name} = {{"
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yield from render_body()
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yield "}"
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yield "}"
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def render_library_material(material_name, effect_name):
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yield f"local material_{material_name} = {{"
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yield f"effect = effect_{effect_name},"
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yield "}"
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def render_input_elements_list(items):
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yield "local inputs_list = {"
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for key_name, elements_count in items:
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yield "{"
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yield f"elements = input_elements_{key_name},"
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yield f"elements_count = {elements_count},"
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yield "},"
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yield "}"
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def render_descriptor(namespace):
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yield "local descriptor = {"
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yield "nodes = nodes,"
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yield "nodes_count = #nodes,"
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yield ""
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yield "inputs_list = inputs_list,"
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yield "inputs_list_count = #inputs_list,"
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yield ""
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yield "images = images,"
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yield "images_count = #images,"
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yield ""
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#yield f'position_normal_texture_buffer = L"RES_SCENES_{namespace.upper()}_VTX",'
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#yield f'joint_weight_buffer = L"RES_SCENES_{namespace.upper()}_VJW",'
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#yield f'index_buffer = L"RES_SCENES_{namespace.upper()}_IDX",'
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yield "}"
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def render_prelude(namespace):
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yield "local collada_types = require 'collada_types'"
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yield ''
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def render_prologue():
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yield ""
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yield "return {"
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yield "descriptor = descriptor"
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yield "}"
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def render_animation_children(anomation_name, items):
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yield f"local animation_children_{animation_name} = {{"
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for animation_name in items:
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yield "animation_{animation_name},"
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yield "}"
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def render_interpolation_array(array_name, names):
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yield f"local array_{array_name} = {{"
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for name in names:
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yield f"collada_types.interpolation.{name},"
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yield "}"
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def render_float_array(array_name, vectors):
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yield f"local array_{array_name} = {{"
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for vector in vectors:
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yield f"{render_float_tuple(vector)},"
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yield "}"
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def render_source(source_name, field_name, c_type, array_name, count, stride):
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yield f"-- {source_name}"
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yield f"{field_name} = {{"
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yield f"{c_type}_array = array_{array_name},"
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yield f"count = {count},"
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yield f"stride = {stride},"
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yield "},"
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def render_sampler(sampler_name, render_body):
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yield f"local sampler_{sampler_name} = {{"
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yield from render_body()
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yield "}"
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def render_channel(target_name, sampler_name, transform_index, target_attribute):
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yield f"local node_channel_{target_name} = {{"
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yield f"source_sampler = sampler_{sampler_name},"
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yield f"target_transform_index = {transform_index},"
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yield f"target_attribute = collada_types.target_attribute.{target_attribute},"
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yield "}"
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def render_light(light_name, light_type, color):
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yield f"local light_{light_name} = {{"
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yield f"type = collada_types.light_type.{light_type},"
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yield f"color = {render_float_tuple(color)},"
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yield "}"
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def render_image(image_id, image_name, resource_name):
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yield f"-- {image.id}"
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yield f"local image_{image_name} = {{"
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yield f'resource_name = L"{resource_name}",'
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yield "}"
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def render_library_images(image_names):
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yield "local images = {"
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for image_name in image_names:
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yield f"image_{image_name},"
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yield "}"
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def render_inverse_bind_matrices(controller_name, matrices):
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yield f"local inverse_bind_matrices_{controller_name} = {{"
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for matrix in matrices:
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yield "{"
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yield from render_matrix(matrix)
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yield "},"
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yield "}"
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def render_controller(controller_name, geometry_name, vertex_buffer_offset, vertex_buffer_size):
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yield f"local controller_{controller_name} = {{"
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yield "skin = {"
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yield f"geometry = geometry_{geometry_name},"
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yield ""
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yield f"inverse_bind_matrices = inverse_bind_matrices_{controller_name},"
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yield ""
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yield f"vertex_buffer_offset = {vertex_buffer_offset},"
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yield f"vertex_buffer_size = {vertex_buffer_size},"
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yield "}"
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yield "}"
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def render_camera(camera_name, xfov, yfov, znear, zfar, aspect_ratio):
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yield f"local camera_{camera_name} = {{"
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yield f"xfov = {xfov}f,"
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yield f"yfov = {yfov}f,"
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yield f"znear = {znear}f,"
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yield f"zfar = {zfar}f,"
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yield f"aspect_ratio = {aspect_ratio}f,"
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yield "}"
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