diff options
Diffstat (limited to 'modules/gltf/gltf_document.cpp')
| -rw-r--r-- | modules/gltf/gltf_document.cpp | 225 |
1 files changed, 207 insertions, 18 deletions
diff --git a/modules/gltf/gltf_document.cpp b/modules/gltf/gltf_document.cpp index ff0579a11c..db324e23b7 100644 --- a/modules/gltf/gltf_document.cpp +++ b/modules/gltf/gltf_document.cpp @@ -48,6 +48,7 @@ #include "core/io/file_access.h" #include "core/io/json.h" #include "core/math/disjoint_set.h" +#include "core/math/vector2.h" #include "core/variant/typed_array.h" #include "core/variant/variant.h" #include "core/version.h" @@ -61,6 +62,7 @@ #include "scene/resources/surface_tool.h" #include "modules/modules_enabled.gen.h" + #ifdef MODULE_CSG_ENABLED #include "modules/csg/csg_shape.h" #endif // MODULE_CSG_ENABLED @@ -70,6 +72,7 @@ #include <stdio.h> #include <stdlib.h> +#include <cstdint> #include <limits> Error GLTFDocument::serialize(Ref<GLTFState> state, Node *p_root, const String &p_path) { @@ -2170,11 +2173,14 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) { } Array array = import_mesh->get_surface_arrays(surface_i); + uint32_t format = import_mesh->get_surface_format(surface_i); + int32_t vertex_num = 0; Dictionary attributes; { Vector<Vector3> a = array[Mesh::ARRAY_VERTEX]; ERR_FAIL_COND_V(!a.size(), ERR_INVALID_DATA); attributes["POSITION"] = _encode_accessor_as_vec3(state, a, true); + vertex_num = a.size(); } { Vector<real_t> a = array[Mesh::ARRAY_TANGENT]; @@ -2217,6 +2223,58 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) { attributes["TEXCOORD_1"] = _encode_accessor_as_vec2(state, a, true); } } + for (int custom_i = 0; custom_i < 3; custom_i++) { + Vector<float> a = array[Mesh::ARRAY_CUSTOM0 + custom_i]; + if (a.size()) { + int num_channels = 4; + int custom_shift = Mesh::ARRAY_FORMAT_CUSTOM0_SHIFT + custom_i * Mesh::ARRAY_FORMAT_CUSTOM_BITS; + switch ((format >> custom_shift) & Mesh::ARRAY_FORMAT_CUSTOM_MASK) { + case Mesh::ARRAY_CUSTOM_R_FLOAT: + num_channels = 1; + break; + case Mesh::ARRAY_CUSTOM_RG_FLOAT: + num_channels = 2; + break; + case Mesh::ARRAY_CUSTOM_RGB_FLOAT: + num_channels = 3; + break; + case Mesh::ARRAY_CUSTOM_RGBA_FLOAT: + num_channels = 4; + break; + } + int texcoord_i = 2 + 2 * custom_i; + String gltf_texcoord_key; + for (int prev_texcoord_i = 0; prev_texcoord_i < texcoord_i; prev_texcoord_i++) { + gltf_texcoord_key = vformat("TEXCOORD_%d", prev_texcoord_i); + if (!attributes.has(gltf_texcoord_key)) { + Vector<Vector2> empty; + empty.resize(vertex_num); + attributes[gltf_texcoord_key] = _encode_accessor_as_vec2(state, empty, true); + } + } + + LocalVector<Vector2> first_channel; + first_channel.resize(vertex_num); + LocalVector<Vector2> second_channel; + second_channel.resize(vertex_num); + for (int32_t vert_i = 0; vert_i < vertex_num; vert_i++) { + float u = a[vert_i * num_channels + 0]; + float v = (num_channels == 1 ? 0.0f : a[vert_i * num_channels + 1]); + first_channel[vert_i] = Vector2(u, v); + u = 0; + v = 0; + if (num_channels >= 3) { + u = a[vert_i * num_channels + 2]; + v = (num_channels == 3 ? 0.0f : a[vert_i * num_channels + 3]); + second_channel[vert_i] = Vector2(u, v); + } + } + gltf_texcoord_key = vformat("TEXCOORD_%d", texcoord_i); + attributes[gltf_texcoord_key] = _encode_accessor_as_vec2(state, first_channel, true); + gltf_texcoord_key = vformat("TEXCOORD_%d", texcoord_i + 1); + attributes[gltf_texcoord_key] = _encode_accessor_as_vec2(state, second_channel, true); + } + } { Vector<Color> a = array[Mesh::ARRAY_COLOR]; if (a.size()) { @@ -2252,13 +2310,12 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) { } attributes["JOINTS_0"] = _encode_accessor_as_joints(state, attribs, true); } else if ((a.size() / (JOINT_GROUP_SIZE * 2)) >= vertex_array.size()) { - int32_t vertex_count = vertex_array.size(); Vector<Color> joints_0; - joints_0.resize(vertex_count); + joints_0.resize(vertex_num); Vector<Color> joints_1; - joints_1.resize(vertex_count); + joints_1.resize(vertex_num); int32_t weights_8_count = JOINT_GROUP_SIZE * 2; - for (int32_t vertex_i = 0; vertex_i < vertex_count; vertex_i++) { + for (int32_t vertex_i = 0; vertex_i < vertex_num; vertex_i++) { Color joint_0; joint_0.r = a[vertex_i * weights_8_count + 0]; joint_0.g = a[vertex_i * weights_8_count + 1]; @@ -2288,13 +2345,12 @@ Error GLTFDocument::_serialize_meshes(Ref<GLTFState> state) { } attributes["WEIGHTS_0"] = _encode_accessor_as_weights(state, attribs, true); } else if ((a.size() / (JOINT_GROUP_SIZE * 2)) >= vertex_array.size()) { - int32_t vertex_count = vertex_array.size(); Vector<Color> weights_0; - weights_0.resize(vertex_count); + weights_0.resize(vertex_num); Vector<Color> weights_1; - weights_1.resize(vertex_count); + weights_1.resize(vertex_num); int32_t weights_8_count = JOINT_GROUP_SIZE * 2; - for (int32_t vertex_i = 0; vertex_i < vertex_count; vertex_i++) { + for (int32_t vertex_i = 0; vertex_i < vertex_num; vertex_i++) { Color weight_0; weight_0.r = a[vertex_i * weights_8_count + 0]; weight_0.g = a[vertex_i * weights_8_count + 1]; @@ -2458,7 +2514,8 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { ERR_FAIL_COND_V(!d.has("primitives"), ERR_PARSE_ERROR); Array primitives = d["primitives"]; - const Dictionary &extras = d.has("extras") ? (Dictionary)d["extras"] : Dictionary(); + const Dictionary &extras = d.has("extras") ? (Dictionary)d["extras"] : + Dictionary(); Ref<EditorSceneImporterMesh> import_mesh; import_mesh.instantiate(); String mesh_name = "mesh"; @@ -2468,6 +2525,7 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { import_mesh->set_name(_gen_unique_name(state, vformat("%s_%s", state->scene_name, mesh_name))); for (int j = 0; j < primitives.size(); j++) { + uint32_t flags = 0; Dictionary p = primitives[j]; Array array; @@ -2499,8 +2557,11 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { } ERR_FAIL_COND_V(!a.has("POSITION"), ERR_PARSE_ERROR); + int32_t vertex_num = 0; if (a.has("POSITION")) { - array[Mesh::ARRAY_VERTEX] = _decode_accessor_as_vec3(state, a["POSITION"], true); + PackedVector3Array vertices = _decode_accessor_as_vec3(state, a["POSITION"], true); + array[Mesh::ARRAY_VERTEX] = vertices; + vertex_num = vertices.size(); } if (a.has("NORMAL")) { array[Mesh::ARRAY_NORMAL] = _decode_accessor_as_vec3(state, a["NORMAL"], true); @@ -2514,6 +2575,60 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { if (a.has("TEXCOORD_1")) { array[Mesh::ARRAY_TEX_UV2] = _decode_accessor_as_vec2(state, a["TEXCOORD_1"], true); } + for (int custom_i = 0; custom_i < 3; custom_i++) { + Vector<float> cur_custom; + Vector<Vector2> texcoord_first; + Vector<Vector2> texcoord_second; + + int texcoord_i = 2 + 2 * custom_i; + String gltf_texcoord_key = vformat("TEXCOORD_%d", texcoord_i); + int num_channels = 0; + if (a.has(gltf_texcoord_key)) { + texcoord_first = _decode_accessor_as_vec2(state, a[gltf_texcoord_key], true); + num_channels = 2; + } + gltf_texcoord_key = vformat("TEXCOORD_%d", texcoord_i + 1); + if (a.has(gltf_texcoord_key)) { + texcoord_second = _decode_accessor_as_vec2(state, a[gltf_texcoord_key], true); + num_channels = 4; + } + if (!num_channels) { + break; + } + if (num_channels == 2 || num_channels == 4) { + cur_custom.resize(vertex_num * num_channels); + for (int32_t uv_i = 0; uv_i < texcoord_first.size() && uv_i < vertex_num; uv_i++) { + cur_custom.write[uv_i * num_channels + 0] = texcoord_first[uv_i].x; + cur_custom.write[uv_i * num_channels + 1] = texcoord_first[uv_i].y; + } + // Vector.resize seems to not zero-initialize. Ensure all unused elements are 0: + for (int32_t uv_i = texcoord_first.size(); uv_i < vertex_num; uv_i++) { + cur_custom.write[uv_i * num_channels + 0] = 0; + cur_custom.write[uv_i * num_channels + 1] = 0; + } + } + if (num_channels == 4) { + for (int32_t uv_i = 0; uv_i < texcoord_second.size() && uv_i < vertex_num; uv_i++) { + // num_channels must be 4 + cur_custom.write[uv_i * num_channels + 2] = texcoord_second[uv_i].x; + cur_custom.write[uv_i * num_channels + 3] = texcoord_second[uv_i].y; + } + // Vector.resize seems to not zero-initialize. Ensure all unused elements are 0: + for (int32_t uv_i = texcoord_second.size(); uv_i < vertex_num; uv_i++) { + cur_custom.write[uv_i * num_channels + 2] = 0; + cur_custom.write[uv_i * num_channels + 3] = 0; + } + } + if (cur_custom.size() > 0) { + array[Mesh::ARRAY_CUSTOM0 + custom_i] = cur_custom; + int custom_shift = Mesh::ARRAY_FORMAT_CUSTOM0_SHIFT + custom_i * Mesh::ARRAY_FORMAT_CUSTOM_BITS; + if (num_channels == 2) { + flags |= Mesh::ARRAY_CUSTOM_RG_FLOAT << custom_shift; + } else { + flags |= Mesh::ARRAY_CUSTOM_RGBA_FLOAT << custom_shift; + } + } + } if (a.has("COLOR_0")) { array[Mesh::ARRAY_COLOR] = _decode_accessor_as_color(state, a["COLOR_0"], true); has_vertex_color = true; @@ -2525,10 +2640,9 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { PackedInt32Array joints_1 = _decode_accessor_as_ints(state, a["JOINTS_1"], true); ERR_FAIL_COND_V(joints_0.size() != joints_0.size(), ERR_INVALID_DATA); int32_t weight_8_count = JOINT_GROUP_SIZE * 2; - int32_t vertex_count = joints_0.size() / JOINT_GROUP_SIZE; Vector<int> joints; - joints.resize(vertex_count * weight_8_count); - for (int32_t vertex_i = 0; vertex_i < vertex_count; vertex_i++) { + joints.resize(vertex_num * weight_8_count); + for (int32_t vertex_i = 0; vertex_i < vertex_num; vertex_i++) { joints.write[vertex_i * weight_8_count + 0] = joints_0[vertex_i * JOINT_GROUP_SIZE + 0]; joints.write[vertex_i * weight_8_count + 1] = joints_0[vertex_i * JOINT_GROUP_SIZE + 1]; joints.write[vertex_i * weight_8_count + 2] = joints_0[vertex_i * JOINT_GROUP_SIZE + 2]; @@ -2567,9 +2681,8 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { Vector<float> weights; ERR_FAIL_COND_V(weights_0.size() != weights_1.size(), ERR_INVALID_DATA); int32_t weight_8_count = JOINT_GROUP_SIZE * 2; - int32_t vertex_count = weights_0.size() / JOINT_GROUP_SIZE; - weights.resize(vertex_count * weight_8_count); - for (int32_t vertex_i = 0; vertex_i < vertex_count; vertex_i++) { + weights.resize(vertex_num * weight_8_count); + for (int32_t vertex_i = 0; vertex_i < vertex_num; vertex_i++) { weights.write[vertex_i * weight_8_count + 0] = weights_0[vertex_i * JOINT_GROUP_SIZE + 0]; weights.write[vertex_i * weight_8_count + 1] = weights_0[vertex_i * JOINT_GROUP_SIZE + 1]; weights.write[vertex_i * weight_8_count + 2] = weights_0[vertex_i * JOINT_GROUP_SIZE + 2]; @@ -2797,7 +2910,7 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> state) { mat = mat3d; } - import_mesh->add_surface(primitive, array, morphs, Dictionary(), mat, mat.is_valid() ? mat->get_name() : String()); + import_mesh->add_surface(primitive, array, morphs, Dictionary(), mat, mat.is_valid() ? mat->get_name() : String(), flags); } Vector<float> blend_weights; @@ -2953,6 +3066,7 @@ Error GLTFDocument::_parse_images(Ref<GLTFState> state, const String &p_base_pat } } } else { // Relative path to an external image file. + uri = uri.uri_decode(); uri = p_base_path.plus_file(uri).replace("\\", "/"); // Fix for Windows. // ResourceLoader will rely on the file extension to use the relevant loader. // The spec says that if mimeType is defined, it should take precedence (e.g. @@ -4896,7 +5010,7 @@ GLTFMeshIndex GLTFDocument::_convert_mesh_instance(Ref<GLTFState> state, MeshIns if (p_mesh_instance->get_material_override().is_valid()) { mat = p_mesh_instance->get_material_override(); } - import_mesh->add_surface(primitive_type, arrays, blend_shape_arrays, Dictionary(), mat, surface_name); + import_mesh->add_surface(primitive_type, arrays, blend_shape_arrays, Dictionary(), mat, surface_name, godot_mesh->surface_get_format(surface_i)); } for (int32_t blend_i = 0; blend_i < blend_count; blend_i++) { blend_weights.write[blend_i] = 0.0f; @@ -6630,3 +6744,78 @@ Error GLTFDocument::_serialize_file(Ref<GLTFState> state, const String p_path) { } return err; } + +Error GLTFDocument::save_scene(Node *p_node, const String &p_path, + const String &p_src_path, uint32_t p_flags, + float p_bake_fps, Ref<GLTFState> r_state) { + Ref<GLTFDocument> gltf_document; + gltf_document.instantiate(); + if (r_state == Ref<GLTFState>()) { + r_state.instantiate(); + } + return gltf_document->serialize(r_state, p_node, p_path); +} + +Node *GLTFDocument::import_scene_gltf(const String &p_path, uint32_t p_flags, int32_t p_bake_fps, Ref<GLTFState> r_state, List<String> *r_missing_deps, Error *r_err) { + // TODO Add missing texture and missing .bin file paths to r_missing_deps 2021-09-10 fire + if (r_state == Ref<GLTFState>()) { + r_state.instantiate(); + } + r_state->use_named_skin_binds = + p_flags & EditorSceneImporter::IMPORT_USE_NAMED_SKIN_BINDS; + + Ref<GLTFDocument> gltf_document; + gltf_document.instantiate(); + Error err = gltf_document->parse(r_state, p_path); + if (r_err) { + *r_err = err; + } + ERR_FAIL_COND_V(err != Error::OK, nullptr); + + Node3D *root = memnew(Node3D); + for (int32_t root_i = 0; root_i < r_state->root_nodes.size(); root_i++) { + gltf_document->_generate_scene_node(r_state, root, root, r_state->root_nodes[root_i]); + } + gltf_document->_process_mesh_instances(r_state, root); + if (r_state->animations.size()) { + AnimationPlayer *ap = memnew(AnimationPlayer); + root->add_child(ap); + ap->set_owner(root); + for (int i = 0; i < r_state->animations.size(); i++) { + gltf_document->_import_animation(r_state, ap, i, p_bake_fps); + } + } + + return root; +} + +void GLTFDocument::_bind_methods() { + ClassDB::bind_method(D_METHOD("save_scene", "node", "path", "src_path", "flags", "bake_fps", "state"), + &GLTFDocument::save_scene, DEFVAL(0), DEFVAL(30), DEFVAL(Ref<GLTFState>())); + ClassDB::bind_method(D_METHOD("import_scene", "path", "flags", "bake_fps", "state"), + &GLTFDocument::import_scene, DEFVAL(0), DEFVAL(30), DEFVAL(Ref<GLTFState>())); +} + +void GLTFDocument::_build_parent_hierachy(Ref<GLTFState> state) { + // build the hierarchy + for (GLTFNodeIndex node_i = 0; node_i < state->nodes.size(); node_i++) { + for (int j = 0; j < state->nodes[node_i]->children.size(); j++) { + GLTFNodeIndex child_i = state->nodes[node_i]->children[j]; + ERR_FAIL_INDEX(child_i, state->nodes.size()); + if (state->nodes.write[child_i]->parent != -1) { + continue; + } + state->nodes.write[child_i]->parent = node_i; + } + } +} + +Node *GLTFDocument::import_scene(const String &p_path, uint32_t p_flags, int32_t p_bake_fps, Ref<GLTFState> r_state) { + Error err = FAILED; + List<String> deps; + Node *node = import_scene_gltf(p_path, p_flags, p_bake_fps, r_state, &deps, &err); + if (err != OK) { + return nullptr; + } + return node; +} |