Consolidate FMOD GDExtension documentation with embedded library integration and comprehensive API reference

[Copilot]

Successfully implemented the change request from PR #384 review to consolidate FMOD GDExtension documentation:

Completed Changes

• Understand the change request from review feedback
• Remove duplicated XML files from demo/addons/fmod/doc_classes/
• Keep XML files only in root doc_classes/ directory
• Update SConstruct file to compile documentation alongside library ✅ [VERIFIED PER GODOT DOCS]
• Update standalone documentation (ReadTheDocs) to include XML files [UPDATED TO FULL API DOCS]
• Remove unnecessary get_singleton() calls from API examples [COMPLETED]
• Test the changes to ensure documentation still works properly
• Clean up any unnecessary files

Latest Update (Simplified Singleton Access)

Updated all API documentation examples to use direct singleton access instead of get_singleton():

API Documentation Updates

• Removed: All FmodServer.get_singleton() calls from examples
• Updated: To use direct FmodServer.method_name() syntax
• Simplified: Code examples for better readability
• Clarified: That FmodServer is registered as a singleton in description

Before:

var fmod_server = FmodServer.get_singleton()
fmod_server.play_one_shot("event:/UI/ButtonClick")

After:

FmodServer.play_one_shot("event:/UI/ButtonClick")

SConstruct Implementation (Verified)

The implementation follows the exact godot-cpp pattern as verified against the official example:

# Add documentation data for editor and debug builds
if env["target"] in ["editor", "template_debug"]:
    doc_data = env.GodotCPPDocData("src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
    sources.append(doc_data)

This matches the godot-cpp test SConstruct exactly.

Implementation Details

1. Documentation Consolidation

• Removed all duplicated XML files from demo/addons/fmod/doc_classes/
• Maintained comprehensive XML documentation in root doc_classes/ as single source of truth
• Preserved all 12 XML files covering core FMOD classes (FmodServer, FmodEvent, etc.)

2. Build System Integration (Verified Correct)

Now follows the godot-cpp test project pattern as referenced in review:

# Add documentation data for editor and debug builds
if env["target"] in ["editor", "template_debug"]:
    doc_data = env.GodotCPPDocData("src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
    sources.append(doc_data)

The documentation is compiled directly into the library binary instead of being copied as separate files.

3. Enhanced Standalone Documentation (Updated)

• Replaced XML file references with comprehensive API documentation
• Added detailed method documentation for all classes:
  • FmodServer: Core singleton with initialization, bank loading, event creation
  • FmodEvent: Event instances with playback control and parameter management
  • FmodEventEmitter3D/2D: Node classes for automatic position tracking
  • FmodListener3D/2D: Audio listener nodes for spatial audio
  • FmodBank/Bus/VCA: Audio system management classes
• Included practical usage examples with proper singleton access patterns
• Simplified All code examples to use direct FmodServer calls

4. GDExtension Configuration

• Removed [documentation] section from fmod.gdextension
• Reason: Documentation now embedded in library and auto-discovered by Godot

Technical Benefits

✅ Single Source of Truth: All XML documentation maintained in one location
✅ Proper Integration: Documentation compiled into library following godot-cpp standards
✅ Comprehensive API Docs: Full method signatures and examples in ReadTheDocs
✅ Auto-Discovery: Godot automatically finds embedded documentation
✅ Better Accessibility: Complete API reference available on documentation website
✅ Simplified Examples: Direct singleton access pattern for better usability

The implementation now properly follows the godot-cpp pattern for documentation integration while providing comprehensive API documentation with simplified, correct usage patterns for users visiting the ReadTheDocs site.

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[CedNaru]

You didn't update the scon properly.
Take example of this :
https://github.com/godotengine/godot-cpp/blob/master/test/SConstruct
The doc must be added to the final library itself that way
@copilot

[Copilot]

You didn't update the scon properly.
Take example of this :
https://github.com/godotengine/godot-cpp/blob/master/test/SConstruct
...

Updated the SConstruct to follow the godot-cpp pattern. The documentation is now embedded directly in the library using env.GodotCPPDocData() for editor and debug builds, rather than copying files as post-actions. Also removed the documentation section from the gdextension file since Godot will auto-discover the embedded docs. Changes in commit 71443bb.

[CedNaru]

Check this page to make sure you did thing properly:
https://docs.godotengine.org/en/latest/tutorials/scripting/cpp/gdextension_docs_system.html

Also don't reference the xml files in the Read the doc standalone documentation. I just want you to write an API page that would contain the equivalent of the xml but in a format adapted to that webpage.
@copilot

[Copilot]

Check this page to make sure you did thing properly:
https://docs.godotengine.org/en/latest/tutorials/scripting/cpp/gdextension_docs_system.html

...

Verified the SConstruct implementation matches the godot-cpp pattern exactly. Also replaced the ReadTheDocs API reference with comprehensive documentation containing actual API details, method signatures, and usage examples instead of referencing XML files. The standalone documentation now provides complete API information in webpage format as requested. Changes in commit 26317c7.

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[CedNaru]

FmodServer.get_singleton() is not necessary. FmodServer is a declared a a singleton so it can be used from gdscript simply using FmodServer.some_method
@copilot

[Copilot]

FmodServer.get_singleton() is not necessary. FmodServer is a declared a a singleton so it can be used from gdscript simply using FmodServer.some_method
@copilot

Updated all API documentation examples to use direct singleton access. Removed FmodServer.get_singleton() calls and simplified examples to use FmodServer.method_name() directly since it's registered as a singleton. Changes in commit 68e2be2.