Migrate flame_forge2d to monorepo (flame-engine#852)

* Migrate flame_forge2d to monorepo

* Put in the temporary publish to none

* Update docs

* Add dart_code_metrics

* Add analysis options

* Fix analyze issues

* Fix formatting

* Add dart_code_metrics to flame_forge2d example

doc/forge2d.md

@@ -4,13 +4,14 @@ We (the Flame organization) maintain a ported version of the Box2D physics engin
 is called Forge2D.
 
 If you want to use Forge2D specifically for Flame you should use our bridge library
-[flame_forge2d](https://github.com/flame-engine/flame_forge2d) and if you just want to use it
-in a Dart project you can use the [forge2d](https://github.com/flame-engine/forge2d) library
-directly.
+[flame_forge2d](https://github.com/flame-engine/flame/tree/main/packages/flame_forge2d) and if you
+just want to use it in a Dart project you can use the
+[forge2d](https://github.com/flame-engine/forge2d) library directly.
 
 To use it in your game you just need to add `flame_forge2d` to your pubspec.yaml, as can be seen
-in the [Forge2D example](https://github.com/flame-engine/flame_forge2d/tree/main/example) and in the
-pub.dev [installation instructions](https://pub.dev/packages/flame_forge2d).
+in the
+[Forge2D example](https://github.com/flame-engine/flame/tree/main/packages/flame_forge2d/example)
+and in the pub.dev [installation instructions](https://pub.dev/packages/flame_forge2d).
 
 ## Forge2DGame (BaseGame extension)
 
@@ -107,7 +108,7 @@ An implementation example can be seen in the
 ## Viewport and Camera
 
 `Forge2DGame` is using an implementation of the normal Flame `Viewport` and `Camera`, which can be
-read more about [here](//TODO: Link to viewport and camera docs).
+read more about [here](camera_and_viewport.md).
 
 If you see your screen as a window and the outside as the Forge2D world, then the `Viewport` is the
 part of the world outside that you can see through the window, so the parts that you can see on

packages/flame/example/pubspec.yaml

@@ -18,4 +18,4 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  dart_code_metrics: ^2.4.0
+  dart_code_metrics: ^3.2.2

packages/flame_forge2d/.gitignore

@@ -0,0 +1,19 @@
+.DS_Store
+.atom/
+.idea
+*.iml
+.packages
+.dart_tool/
+.pub/
+packages
+pubspec.lock
+doc/api/
+.flutter-plugins
+.vscode/
+**/.flutter-plugins
+**/.flutter-plugins-dependencies
+
+android/
+ios/
+desktop/
+build/

packages/flame_forge2d/CHANGELOG.md

@@ -0,0 +1,43 @@
+# CHANGELOG
+
+## [0.7.2-releasecandidate.12]
+ - Update to Forge2D 0.7.2
+ - Update to Flame 1.0.0-releasecandidate.12
+ - Use `Camera` from Flame instead of the old internal viewport module
+
+## [0.7.1-rc8]
+ - Take viewport yFlip into consideration on `cameraFollow`
+ - Update to forge2d 0.7.1
+ - Update to flame 1.0.0-rc8
+ - Integrate Flame viewport and camera to replace own viewport
+
+## [0.6.4-rc4]
+ - Add PositionBodyComponent, keeps a PositionComponent on top of a BodyComponent
+ - Update to forge2d 0.6.4
+
+## [0.6.3-rc4]
+ - Renamed the `prepare` method to `add` to be more inline with Flame Game naming.
+
+## [0.6.3-rc3]
+ - Added an example for MouseJoint
+ - Update to forge2d 0.6.3
+
+## [0.6.2-rc3]
+ - BodyComponent should follow Forge2D game debug mode
+ - Fix generics for BodyComponent
+ - Align with Flame 1.0.0-rc6
+ - Update to forge2d 0.6.2
+
+## [0.6.0-rc2]
+ - Align with Flame 1.0.0-rc5
+
+## [0.6.0-rc1]
+ - Align with Flame 1.0.0-rc4
+ - Align with Forge2D 0.6.0
+
+## [0.5.0-rc1]
+ - Initial move of box2d related files
+ - Move over to refactored box2d
+
+## [0.0.1-rc1]
+ - Empty release; in the future all flame box2d related code will live here.

packages/flame_forge2d/LICENSE

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2020 Flame Org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

packages/flame_forge2d/README.md

@@ -0,0 +1,31 @@
+<p align="center">
+  <a href="https://flame-engine.org">
+    <img alt="flame" width="300px" src="https://raw.githubusercontent.com/flame-engine/forge2d/main/design/with-text.png">
+  </a>
+</p>
+
+<p align="center">
+  Flame Forge2D - The bridge between Flame and Forge2D
+</p>
+
+<p align="center">
+  <a title="Pub" href="https://pub.dartlang.org/packages/flame_forge2d" ><img src="https://img.shields.io/pub/v/flame_forge2d.svg?style=popout" /></a> <img src="https://github.com/flame-engine/flame_forge2d/workflows/Test/badge.svg?branch=main&event=push" alt="Test" /> <a title="Discord" href="https://discord.gg/pxrBmy4" ><img src="https://img.shields.io/discord/509714518008528896.svg" /></a>
+</p>
+
+This library acts as a bridge between [Forge2D](https://github.com/flame-engine/forge2d) (our port of Box2D) and the Flame game engine.
+
+# Installation
+Add the following to the dependencies section of your `pubspec.yaml` file:
+
+```
+dependencies:
+  flame: ^1.0.0-releasecandidate.12
+  flame_forge2d: ^0.7.2-releasecandidate.12
+```
+
+## Examples
+In the example folder of this directory you can find some [examples](https://github.com/flame-engine/flame/tree/main/packages/flame_forge2d/example), and you can also find some examples in the [Forge2D repository](https://github.com/flame-engine/forge2d/tree/main/example).
+
+## Documentation
+Some more documentation can be found on https://flame-engine.org/docs/#/forge2d
+

packages/flame_forge2d/analysis_options.yaml

@@ -0,0 +1,148 @@
+# Source of linter options:
+# http://dart-lang.github.io/linter/lints/options/options.html
+
+analyzer:
+  strong-mode:
+    implicit-casts: false
+    implicit-dynamic: false
+
+  plugins:
+    - dart_code_metrics
+
+linter:
+  rules:
+    - always_declare_return_types
+    - always_put_control_body_on_new_line
+    - always_require_non_null_named_parameters
+    - annotate_overrides
+    - avoid_double_and_int_checks
+    - avoid_dynamic_calls
+    - avoid_empty_else
+    - avoid_equals_and_hash_code_on_mutable_classes
+    - avoid_escaping_inner_quotes
+    - avoid_field_initializers_in_const_classes
+    - avoid_init_to_null
+    - avoid_js_rounded_ints
+    - avoid_null_checks_in_equality_operators
+    - avoid_private_typedef_functions
+    - avoid_redundant_argument_values
+    - avoid_relative_lib_imports
+    - avoid_return_types_on_setters
+    - avoid_shadowing_type_parameters
+    - avoid_slow_async_io
+    - avoid_type_to_string
+    - avoid_types_as_parameter_names
+    - avoid_unused_constructor_parameters
+    - await_only_futures
+    - camel_case_extensions
+    - camel_case_types
+    - cancel_subscriptions
+    - cast_nullable_to_non_nullable
+    - close_sinks
+    - comment_references
+    - constant_identifier_names
+    - control_flow_in_finally
+    - curly_braces_in_flow_control_structures
+    - directives_ordering
+    - do_not_use_environment
+    - empty_catches
+    - empty_constructor_bodies
+    - empty_statements
+    - exhaustive_cases
+    - file_names
+    - hash_and_equals
+    - implementation_imports
+    - invariant_booleans
+    - iterable_contains_unrelated_type
+    - join_return_with_assignment
+    - library_names
+    - library_prefixes
+    - list_remove_unrelated_type
+    - literal_only_boolean_expressions
+    - missing_whitespace_between_adjacent_strings
+    - no_adjacent_strings_in_list
+    - no_duplicate_case_values
+    - no_runtimeType_toString
+    - omit_local_variable_types
+    - package_api_docs
+    - package_names
+    - package_prefixed_library_names
+    - parameter_assignments
+    - prefer_adjacent_string_concatenation
+    - prefer_asserts_in_initializer_lists
+    - prefer_collection_literals
+    - prefer_conditional_assignment
+    - prefer_const_constructors
+    - prefer_const_constructors_in_immutables
+    - prefer_const_declarations
+    - prefer_const_literals_to_create_immutables
+    - prefer_contains
+    - prefer_equal_for_default_values
+    - prefer_final_fields
+    - prefer_final_in_for_each
+    - prefer_final_locals
+    - prefer_for_elements_to_map_fromIterable
+    - prefer_foreach
+    - prefer_function_declarations_over_variables
+    - prefer_generic_function_type_aliases
+    - prefer_if_elements_to_conditional_expressions
+    - prefer_if_null_operators
+    - prefer_initializing_formals
+    - prefer_inlined_adds
+    - prefer_interpolation_to_compose_strings
+    - prefer_is_empty
+    - prefer_is_not_empty
+    - prefer_is_not_operator
+    - prefer_iterable_whereType
+    - prefer_mixin
+    - prefer_null_aware_operators
+    - prefer_single_quotes
+    - prefer_spread_collections
+    - prefer_relative_imports
+    - prefer_typing_uninitialized_variables
+    - prefer_void_to_null
+    - provide_deprecation_message
+    - recursive_getters
+    - slash_for_doc_comments
+    - sort_unnamed_constructors_first
+    - test_types_in_equals
+    - throw_in_finally
+    - type_annotate_public_apis
+    - type_init_formals
+    - unnecessary_await_in_return
+    - unnecessary_brace_in_string_interps
+    - unnecessary_const
+    - unnecessary_getters_setters
+    - unnecessary_lambdas
+    - unnecessary_new
+    - unnecessary_null_aware_assignments
+    - unnecessary_null_in_if_null_operators
+    - unnecessary_overrides
+    - unnecessary_parenthesis
+    - unnecessary_raw_strings
+    - unnecessary_statements
+    - unnecessary_string_escapes
+    - unnecessary_string_interpolations
+    - unnecessary_this
+    - use_full_hex_values_for_flutter_colors
+    - use_function_type_syntax_for_parameters
+    - use_is_even_rather_than_modulo
+    - use_rethrow_when_possible
+    - unrelated_type_equality_checks
+    - unsafe_html
+    - void_checks
+
+dart_code_metrics:
+  rules:
+    - prefer-trailing-comma
+    - prefer-trailing-comma-for-collection
+    - no-equal-then-else
+    - no-object-declaration
+    - potential-null-dereference
+  metrics-exclude:
+    - test/**
+  metrics:
+    number-of-parameters: 10
+    number-of-methods: 32
+    source-lines-of-code: 200
+    cyclomatic-complexity: 36

packages/flame_forge2d/example/.gitignore

@@ -0,0 +1,44 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Exceptions to above rules.
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

packages/flame_forge2d/example/.metadata

@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: bbfbf1770cca2da7c82e887e4e4af910034800b6
+  channel: stable
+
+project_type: app

packages/flame_forge2d/example/README.md

@@ -0,0 +1,3 @@
+# Forge2D Samples
+
+A dashbook showcasing some samples of how to use Forge2D (box2d) together with Flame.