Fix windows 32 and web build (#21)

Update godot-rapier2d.gdextension

.github/actions/build/action.yml

@@ -9,6 +9,14 @@ inputs:
     required: true
     default: ''
     description: Rust target platform.
+  rust_extra_flags:
+    required: false
+    default: ''
+    description: Rust extra flags.
+  rust_env_flags:
+    required: false
+    default: ''
+    descriptio: RUSTFLAGS env var.
   arch:
     default: ''
     description: Target architecture.
@@ -60,11 +68,12 @@ runs:
       run: |
         cd src/rapier2d-wrapper && \
         rustup target add ${{ inputs.rust_target }} && \
-        cargo build --target=${{ inputs.rust_target }} --release --features="${{ inputs.features }},${{ inputs.precision }}" && \
+        cargo build --target=${{ inputs.rust_target }} --release --features="${{ inputs.features }},${{ inputs.precision }}" ${{ inputs.rust_extra_flags}} && \
         mkdir -p target/release && \
         rm -rf target/release && \
-        cp -rf target/${{ inputs.rust_target }}/release target/release && \
-        ls -l target/release
+        cp -rf target/${{ inputs.rust_target }}/release target/release
+      env:
+        RUSTFLAGS: ${{ inputs.rust_env_flags }}
     - name: Build Rapier Macos Universal
       shell: sh
 

.github/workflows/android_builds.yml

@@ -9,7 +9,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [{arch: "x86_64", rust: "x86_64-linux-android"}, {arch: "arm64",rust: "aarch64-linux-android"}]
+        # TODO add these as well {arch: "x86_32", rust: "i686-linux-android"}, {arch: "arm32", rust: "armv7-linux-androideabi"}]
+        # Right now it's giving these errors:
+        # ld: error: cannot open crtbegin_so.o: No such file or directory
+        # ld: error: unable to find library -lc++
+        # ld: error: cannot open crtend_so.o: No such file or directory
+        arch: [{arch: "x86_64", rust: "x86_64-linux-android"}, {arch: "arm64",rust: "aarch64-linux-android"},]
         precision: [single, double]
         features: [simd-stable, enhanced-determinism]
 

.github/workflows/linux_builds.yml

@@ -9,6 +9,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        # TODO , {arch: "x86_32", rust: "i686-unknown-linux-gnu"}, {arch: "arm64", rust: "aarch64-unknown-linux-gnu"}]
+        # Right now it's giving this error (arm64):
+        # cc1plus: error: bad value ('armv8-a') for '-march=' switch
+        # Right now it's giving this error (x64_32):
+        # /usr/include/c++/9/cstddef:49:10: fatal error: bits/c++config.h: No such file or directory 49 | #include <bits/c++config.h>
         arch: [{arch: "x86_64", rust: "x86_64-unknown-linux-gnu"}]
         precision: [single, double]
         features: [simd-stable, enhanced-determinism]
@@ -19,6 +24,10 @@ jobs:
           submodules: true
           fetch-depth: 0
 
+      - name: Fix 32bit and arm64 libs
+        run: |
+          sudo apt-get install gcc-multilib g++-multilib
+
       - name: Build ${{ matrix.arch.arch }} ${{ matrix.precision }} ${{ matrix.features }}
         uses: ./.github/actions/build
         with:

.github/workflows/runner.yml

@@ -38,8 +38,8 @@ jobs:
     name: 🏁 Windows
     needs: static-checks
     uses: ./.github/workflows/windows_builds.yml
-  # Needs nightly toolchain, todo investigate more.
-  #web-build:
-  #  name: 🌐 Web Builds
-  #  needs: static-checks
-  #  uses: ./.github/workflows/web_builds.yml
+
+  web-build:
+    name: 🌐 Web Builds
+    needs: static-checks
+    uses: ./.github/workflows/web_builds.yml

.github/workflows/web_builds.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [{arch: "wasm32", rust: "wasm32-unknown-emscripten"}]
+        arch: [{arch: "wasm32", rust: "wasm32-unknown-emscripten", rust_extra_flags: "-Z build-std=panic_abort,std"}]
         precision: [single, double]
         features: [simd-stable, enhanced-determinism]
 
@@ -29,14 +29,22 @@ jobs:
         run: |
           emcc -v
 
+      - name: Rust Install Nightly
+        run: |
+          rustup toolchain install nightly
+          rustup override set nightly
+          rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
+
       - name: Build ${{ matrix.arch.arch }} ${{ matrix.precision }} ${{ matrix.features }}
         uses: ./.github/actions/build
         with:
           arch: ${{ matrix.arch.arch }}
           rust_target: ${{ matrix.arch.rust }}
+          rust_extra_flags: ${{ matrix.arch.rust_extra_flags }}
           platform: web
           precision: ${{ matrix.precision }}
           features: ${{ matrix.features }},wasm-bindgen
+          rust_env_flags: "-C target-feature=+atomics,+bulk-memory"
 
       - name: Upload ${{ matrix.arch.arch }} ${{ matrix.precision }} ${{ matrix.features }}
         uses: ./.github/actions/upload

.github/workflows/windows_builds.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [{arch: "x86_64", rust: "x86_64-pc-windows-msvc"}]
+        arch: [{arch: "x86_64", rust: "x86_64-pc-windows-msvc"}, {arch: "x86_32", rust: "i686-pc-windows-msvc"}]
         precision: [single, double]
         features: [simd-stable, enhanced-determinism]
 

README.md

@@ -25,22 +25,11 @@ A 2d [rapier](https://github.com/dimforge/rapier) physics server for [Godot Engi
 
 ## Supported Platforms
 
-Curently the Godot Box2d addon builds for:
-
-- Windows (x86_64)
+- Windows (x86_64, x86_32)
 - macOS (x86-64 + arm64 Universal)
 - Linux (x86_64)
 - Android (x86_64, arm64)
 - iOS (arm64) without signing
-- Web (wasm32)
-
-# Limitations
-
-- One way direction for CharacterBody2D missing.
-- Static Body Constant Speed for CharacterBody2D and RigidBody2D missing.
-- Spring Joint missing.
-- Shape skewing missing.
-- Shape Cast Margin isn't supported.
 
 # Features
 
@@ -50,6 +39,14 @@ Curently the Godot Box2d addon builds for:
 
 [More on different rapier features](https://rapier.rs/docs/user_guides/rust/getting_started)
 
+# Limitations
+
+- One way direction for CharacterBody2D missing.
+- Static Body Constant Speed for CharacterBody2D and RigidBody2D missing.
+- Spring Joint missing.
+- Shape skewing missing.
+- Shape Cast Margin isn't supported.
+
 # Installation
 
 - Automatic (Recommended): Download the plugin from the official [Godot Asset Store](https://godotengine.org/asset-library/asset/2267) using the `AssetLib` tab in Godot.

bin/addons/godot-rapier2d/godot-rapier2d.gdextension

@@ -10,6 +10,8 @@ macos.debug = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.macos.
 macos.release = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.macos.template_release.framework"
 windows.debug.x86_64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.windows.template_debug.x86_64.dll"
 windows.release.x86_64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.windows.template_release.x86_64.dll"
+windows.debug.x86_32 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.windows.template_debug.x86_32.dll"
+windows.release.x86_32 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.windows.template_release.x86_32.dll"
 linux.debug.x86_64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.linux.template_debug.x86_64.so"
 linux.release.x86_64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.linux.template_release.x86_64.so"
 android.debug.x86_64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.android.template_debug.x86_64.so"
@@ -18,3 +20,5 @@ android.debug.arm64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2
 android.release.arm64 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.android.template_release.arm64.so"
 ios.debug = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.ios.template_debug.arm64.dylib"
 ios.release = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.ios.template_release.arm64.dylib"
+web.debug.wasm32 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.web.template_debug.wasm32.wasm"
+web.release.wasm32 = "res://addons/godot-rapier2d/bin/libphysics_server_rapier2d.web.template_release.wasm32.wasm"