third_party/q3d: namespaces, models, python

This bumps q3d for q3dm support, fixes Rust namespacing and adds Python
support (for both the WORKSPACE and q3d).

WORKSPACE

@@ -2,6 +2,21 @@ workspace(name = "abrasion")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
+http_archive(
+    name = "rules_python",
+    url = "https://github.com/bazelbuild/rules_python/releases/download/0.3.0/rules_python-0.3.0.tar.gz",
+    sha256 = "934c9ceb552e84577b0faf1e5a2f0450314985b4d8712b2b70717dc679fdc01b",
+)
+
+load("@rules_python//python:pip.bzl", "pip_parse")
+
+pip_parse(
+    name = "pydeps",
+    requirements_lock = "//third_party/py:requirements.txt",
+)
+
+load("@pydeps//:requirements.bzl", "install_deps")
+install_deps()
 http_archive(
     name = "rules_rust",
     strip_prefix = "rules_rust-feaeb7ab712da45c1c94f7950e799d79e367ddeb",
@@ -47,16 +62,14 @@ http_archive(
 
 http_archive(
     name = "com_github_q3k_q3d",
-    sha256 = "7631310022b09447279ac227cf84045b8b552f9c863d6fe17d459e506058a9b7",
-    strip_prefix = "q3d-360206ac7487da4a6d86fd22f9e74e8731454f43",
+    sha256 = "6cfbbd8111e78ae99d631f147cc2314f088409320619660c8003cd52bcc4577e",
+    strip_prefix = "q3d-e507a91e1b4966d0d4425e6078f6f1feda68a2b5",
     urls = [
-        "https://github.com/q3k/q3d/archive/360206ac7487da4a6d86fd22f9e74e8731454f43.tar.gz",
+        "https://github.com/q3k/q3d/archive/e507a91e1b4966d0d4425e6078f6f1feda68a2b5.tar.gz",
     ],
-    build_file = "//third_party/q3d:BUILD",
+    build_file = "//third_party/q3d:BUILD.external",
 )
 
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
 http_archive(
     name = "io_bazel_rules_go",
     sha256 = "69de5c704a05ff37862f7e0f5534d4f479418afc21806c887db544a316f3cb6b",
@@ -72,8 +85,6 @@ go_rules_dependencies()
 
 go_register_toolchains(version = "1.16")
 
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
 http_archive(
     name = "com_google_protobuf",
     sha256 = "9748c0d90e54ea09e5e75fb7fac16edce15d2028d4356f32211cfa3c0e956564",
@@ -83,4 +94,4 @@ http_archive(
 
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")
 
-protobuf_deps()
+protobuf_deps()

third_party/py/requirements.txt

@@ -0,0 +1 @@
+flatbuffers==2.0

third_party/q3d/BUILD

@@ -1,26 +0,0 @@
-load("@rules_rust//rust:rust.bzl", "rust_library")
-load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_library_public")
-
-flatbuffer_library_public(
-    name = "q3d_rs_src",
-    srcs = [
-        ":q3d_object.fbs",
-    ],
-    outs = [
-        "q3d_object_generated.rs",
-    ],
-    language_flag = "--rust",
-)
-
-rust_library(
-    name = "q3d_rs",
-    edition = "2018",
-    srcs = [
-        ":q3d_rs_src",
-    ],
-    visibility = ["//visibility:public"],
-    deps = [
-        # ew.
-        "@//third_party/cargo:flatbuffers",
-    ],
-)

third_party/q3d/BUILD.bazel

@@ -0,0 +1,32 @@
+load("@rules_rust//rust:rust.bzl", "rust_library")
+
+genrule(
+    name = "q3d_rs_layout",
+    srcs = [
+        "@com_github_q3k_q3d//:q3d_object_generated.rs",
+        "@com_github_q3k_q3d//:q3d_model_generated.rs",
+        "lib_.rs",
+    ],
+    outs = [
+        "q3d_object_generated.rs",
+        "q3d_model_generated.rs",
+        "lib.rs",
+    ],
+    cmd_bash = """
+        cp $(location @com_github_q3k_q3d//:q3d_object_generated.rs) $(location q3d_object_generated.rs) 
+        cp $(location @com_github_q3k_q3d//:q3d_model_generated.rs) $(location q3d_model_generated.rs) 
+        cp $(location lib_.rs) $(location lib.rs)
+    """,
+)
+
+rust_library(
+    name = "q3d_rs",
+    edition = "2018",
+    srcs = [
+        ":q3d_rs_layout",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@abrasion//third_party/cargo:flatbuffers",
+    ],
+)

third_party/q3d/BUILD.external

@@ -0,0 +1,65 @@
+load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_library_public")
+load("@rules_python//python:defs.bzl", "py_library")
+
+package(
+    default_visibility = [
+        "//visibility:public",
+    ],
+)
+
+flatbuffer_library_public(
+    name = "q3d_rs_src",
+    srcs = [
+        ":q3d_object.fbs",
+        ":q3d_model.fbs",
+    ],
+    outs = [
+        "q3d_object_generated.rs",
+        "q3d_model_generated.rs",
+    ],
+    language_flag = "--rust",
+)
+
+flatbuffer_library_public(
+    name = "q3d_py_src",
+    srcs = [
+        ":q3d_object.fbs",
+        ":q3d_model.fbs",
+    ],
+    flatc_args = [
+        "--gen-object-api",
+        "--gen-compare",
+        "--gen-mutable",
+        "--reflect-names",
+        "--cpp-ptr-type flatbuffers::unique_ptr",
+    ],
+    outs = [
+        "Q3DObject/__init__.py",
+        "Q3DObject/Color.py",
+        "Q3DObject/ITriangle.py",
+        "Q3DObject/Material.py",
+        "Q3DObject/Mesh.py",
+        "Q3DObject/Object.py",
+        "Q3DObject/Triangle.py",
+        "Q3DObject/UV.py",
+        "Q3DObject/Vector3.py",
+        "Q3DObject/Vector4.py",
+        "Q3DObject/Vertex.py",
+        "Q3DModel/__init__.py",
+        "Q3DModel/Matrix4.py",
+        "Q3DModel/Model.py",
+        "Q3DModel/Node.py",
+    ],
+    language_flag = "--python",
+)
+
+py_library(
+    name = "q3d_py",
+    visibility = [
+        "//visibility:public",
+    ],
+    srcs = [
+        ":q3d_py_src",
+    ],
+    imports = ["."],
+)

third_party/q3d/lib_.rs

@@ -0,0 +1,5 @@
+mod q3d_object_generated;
+mod q3d_model_generated;
+
+pub use q3d_object_generated::*;
+pub use q3d_model_generated::*;