Blender addon - #34
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- blender_addon/: Blender render-engine integration that exports scenes to MoonRay RDLA, renders with the moonray CLI, loads the result into the Render Result, and optionally denoises with OIDN. - Full Blender shader-node graph compilation: Principled/Diffuse/Glossy/ Glass/Transparent/Emission, Mix/Add Shader, image textures, normal maps, and static baking of color/scalar node subgraphs. - RDLA intermediate scene is optional (Save RDLA Scene setting). - Direct Render Image button in the MoonRay render panel. - COMPATIBILITY.md: fixes required to build MoonRay on macOS 27 / Apple Silicon / AppleClang 21 (generator mismatch, Qt skip, memory-bounded parallelism, Xcode-generator avoidance, git clone hardening, Blender 5.2 RenderEngine API workarounds). - patches/: the openmoonray superbuild/preset changes used for the build. - Helper scripts: build_moonray.sh, verify_moonray.sh, finish_build_and_test.sh, install_addon.sh.
- ShaderNodeTexNoise now exports as MoonRay NoiseMap_v2 (color mode) with scale/detail/distortion/seed mapped from the Blender node. - Value model extended with generic map references so more procedural nodes can be added the same way. - test_materials.py: noise-driven material coverage (9 checks).
- World Environment Texture nodes now export as EnvLight with a texture (HDRI lighting), alongside the constant-color fallback. - test_full_scene.py: env_texture check (16 checks total). - README: full feature matrix, usage, and test instructions.
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- Camera shutter attributes (mb_shutter_open/close, one Blender frame). - Per-vertex velocity export from Blender's 'velocity' attribute when available (Blender 4.x); Blender 5.x no longer generates it, so object motion blur is skipped there. Frame-sampling was removed after it proved to crash Blender 5.2 alpha (render depsgraph invalidation). - test_motion_blur.py coverage.
- ShaderNodeMapping (location/scale, approximate rotation) now exports as ImageMap/ImageNormalMap offset/scale/rotation attributes, with the V-flip mirror applied to the Y components. - Camera shift_x/shift_y export as MoonRay film offsets. - test_materials.py: mapping checks (11 total).
- Materials with Backface Culling export geometry side_type=single-sided. - World Mapping-node rotation orients the EnvLight via node_xform. - test_full_scene.py: side_type + env rotation checks (18 total).
- Wire the auto_detect preference: the engine now searches candidate install roots (workspace default, /Applications/MoonRay, ~/moonray, $MOONRAY_ROOT) when the configured path has no moonray binary. - resolve_moonray_root also honors the MOONRAY_ROOT environment variable. - Remove dead code (unused constants/imports).
CMake derives search prefixes from PATH entries; Anaconda's bin on PATH made OpenColorIO link Anaconda yaml-cpp 0.8 headers against its own yaml-cpp 0.6.3 (via the expat imported target) - undefined symbols. Fixed by scrubbing anaconda/conda env vars for the dependency build.
- Remove the bare __init__(*args) on the RenderEngine: it swallowed Blender's struct-creation call, leaving every engine method (report/ update_stats/begin_result/...) raising ReferenceError and the render silently black. Helper logic now lives in module-level functions. - Pass -out to the moonray CLI so the output path is explicit (mock renderer test relies on the same contract); mock now reads image_width/ image_height from the RDLA. - Rename MoonRay beauty channels R/G/B/A to Combined.* via oiiotool so RenderLayer.load_from_file() maps them into the render result (was producing black with "expected channel Combined.R not found"). - Fix RDLA object emission: use Lua variable assignments for geometry, lights, materials and GeometrySet blocks; keep GeometrySet registration per mesh/instancer while the Layer references the raw geometry. - Add ispc-ninja and codesign CMake patches; enable DEPS_ROOT/TBB_ROOT/ MOONRAY_USE_METAL=OFF in the macos-release-ninja preset. - E2E render test now aims the camera at the origin and asserts non-black output (mean > 0.01).
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