Cherry-picks for the godot-cpp 4.2 branch - 7th batch

.github/actions/godot-cache/action.yml → .github/actions/godot-cache-restore/action.yml

@@ -1,5 +1,5 @@
-name: Setup Godot build cache
-description: Setup Godot build cache.
+name: Restore Godot build cache
+description: Restore Godot build cache.
 inputs:
   cache-name:
     description: The cache base name (job name by default).
@@ -10,9 +10,8 @@ inputs:
 runs:
   using: "composite"
   steps:
-    # Upload cache on completion and check it out now
-    - name: Load .scons_cache directory
-      uses: actions/cache@v3
+    - name: Restore .scons_cache directory
+      uses: actions/cache/restore@v3
       with:
         path: ${{inputs.scons-cache}}
         key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}

.github/actions/godot-cache-save/action.yml

@@ -0,0 +1,17 @@
+name: Save Godot build cache
+description: Save Godot build cache.
+inputs:
+  cache-name:
+    description: The cache base name (job name by default).
+    default: "${{github.job}}"
+  scons-cache:
+    description: The SCons cache path.
+    default: "${{github.workspace}}/.scons-cache/"
+runs:
+  using: "composite"
+  steps:
+    - name: Save SCons cache directory
+      uses: actions/cache/save@v4
+      with:
+        path: ${{inputs.scons-cache}}
+        key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}

.github/workflows/ci.yml

@@ -99,8 +99,8 @@ jobs:
         with:
           submodules: recursive
 
-      - name: Setup Godot build cache
-        uses: ./.github/actions/godot-cache
+      - name: Restore Godot build cache
+        uses: ./.github/actions/godot-cache-restore
         with:
           cache-name: ${{ matrix.cache-name }}
         continue-on-error: true
@@ -153,6 +153,12 @@ jobs:
           cd test
           scons platform=${{ matrix.platform }} verbose=yes target=template_release ${{ matrix.flags }}
 
+      - name: Save Godot build cache
+        uses: ./.github/actions/godot-cache-save
+        with:
+          cache-name: ${{ matrix.cache-name }}
+        continue-on-error: true
+
       - name: Download latest Godot artifacts
         uses: dsnopek/action-download-artifact@1322f74e2dac9feed2ee76a32d9ae1ca3b4cf4e9
         if: ${{ matrix.run-tests && env.GODOT_TEST_VERSION == 'master' }}

CMakeLists.txt

@@ -5,6 +5,7 @@
 # GODOT_GDEXTENSION_DIR:		Path to the directory containing GDExtension interface header and API JSON file
 # GODOT_CPP_SYSTEM_HEADERS		Mark the header files as SYSTEM. This may be useful to suppress warnings in projects including this one.
 # GODOT_CPP_WARNING_AS_ERROR	Treat any warnings as errors
+# GODOT_ENABLE_HOT_RELOAD       Build with hot reload support. Defaults to YES for Debug-builds and NO for Release-builds.
 # GODOT_CUSTOM_API_FILE:		Path to a custom GDExtension API JSON file (takes precedence over `gdextension_dir`)
 # FLOAT_PRECISION:				Floating-point precision level ("single", "double")
 #
@@ -57,6 +58,13 @@ if("${CMAKE_BUILD_TYPE}" STREQUAL "")
 	set(CMAKE_BUILD_TYPE Debug)
 endif()
 
+# Hot reload is enabled by default in Debug-builds
+if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
+    option(GODOT_ENABLE_HOT_RELOAD "Build with hot reload support" ON)
+else()
+    option(GODOT_ENABLE_HOT_RELOAD "Build with hot reload support" OFF)
+endif()
+
 if(NOT DEFINED BITS)
 	set(BITS 32)
 	if(CMAKE_SIZEOF_VOID_P EQUAL 8)
@@ -116,6 +124,10 @@ else()
 	endif()
 endif()
 
+if (GODOT_ENABLE_HOT_RELOAD)
+    set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -D HOT_RELOAD_ENABLED")
+endif()
+
 # Generate source from the bindings file
 find_package(Python3 3.4 REQUIRED) # pathlib should be present
 if(GENERATE_TEMPLATE_GET_NODE)