build: add jni

Author: qkdreyer

CMakeLists.txt

@@ -28,7 +28,7 @@ target_link_libraries(hl log)
 
 set(TJ_LIB ${CMAKE_CURRENT_SOURCE_DIR}/libjpeg-turbo/obj/local/${ANDROID_ABI}/libjpeg-turbo.a)
 add_custom_target(turbojpeg
-	${ANDROID_NDK}/ndk-build APP_ABI=${ANDROID_ABI}  APP_PLATFORM=${ANDROID_PLATFORM}
+	${ANDROID_NDK}/ndk-build APP_ABI=${ANDROID_ABI} APP_PLATFORM=${ANDROID_PLATFORM}
 	NDK_PROJECT_PATH=./libjpeg-turbo
 	WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
 	BYPRODUCTS ${TJ_LIB}
@@ -87,6 +87,6 @@ add_library(ui.hdll STATIC ${ui})
 
 # Heaps Application
 
-add_library(heapsapp SHARED out/main.c )
+add_library(heapsapp SHARED out/main.c jni.c)
 target_include_directories(heapsapp PRIVATE out)
 target_link_libraries(heapsapp hl sdl.hdll fmt.hdll openal.hdll ui.hdll)

Makefile

@@ -2,12 +2,25 @@
 
 all: build install
 
-init:
-	brew install haxe
-	brew bundle install --file hashlink/Brewfile --no-lock
+ifeq ($(OS),Windows_NT)
+init: init-root init-widows
+endif
+ifeq ($(shell uname -s),Darwin)
+init: init-root init-darwin
+endif
+
+init-root:
 	make -C hashlink
 	make install -C hashlink
 	haxelib setup /usr/local/lib/haxe/lib
+
+init-windows:
+	choco install haxe android-studio
+
+init-darwin:
+	brew install haxe
+	brew bundle install --file hashlink/Brewfile --no-lock
+
 	brew cask install android-studio
 	ln -sf /Applications/Android\ Studio.app/Contents/plugins/android/lib/templates/gradle/wrapper/gradlew /usr/local/bin
 	chmod u+x /usr/local/bin/gradlew

README.md

@@ -14,5 +14,5 @@ make init
 
 ```sh
 make heaps-world
-make # (make build && make install)
+make # make build && make install
 ```

jni.c

@@ -0,0 +1,7 @@
+#include <jni.h>
+
+extern int main(int argc, char *argv[]); // assuming that haxe->hl/c entry point is included (which includes hlc_main.c which includes the main function)
+
+JNIEXPORT int JNICALL Java_io_heaps_android_HeapsActivity_startHL(JNIEnv* env, jclass cls) {
+    return main(0, NULL);
+}