11 files changed, 196 insertions, 0 deletions
diff --git a/android/build.gradle b/android/build.gradle
new file mode 100644
index 0000000..2eb9c79
--- /dev/null
+++ b/android/build.gradle
@@ -0,0 +1,43 @@
+plugins {
+	id 'com.android.application' version '8.1.0'
+}
+
+android {
+	namespace 'fi.pulk.hacraft'
+	compileSdk 33
+
+	defaultConfig {
+		applicationId 'fi.pulk.hacraft'
+		versionCode 1
+		versionName '1.0'
+		minSdk 19
+		targetSdk 28
+
+		externalNativeBuild {
+			cmake {
+				arguments '-DSDL_ROOT=' + project.property('sdlRoot')
+				abiFilters 'arm64-v8a', 'x86_64'
+			}
+		}
+	}
+
+	externalNativeBuild {
+		cmake {
+			path 'jni/CMakeLists.txt'
+		}
+	}
+
+	sourceSets {
+		main {
+			java.srcDir project.property('sdlRoot') \
+				+ '/android-project/app/src/main/java'
+		}
+	}
+
+	lintOptions {
+		// SDL's java shim has unaddressed linter warnings, and this is
+		// how they deal with them, apparently. *shrug*
+		// (Based on android-project/app/build.gradle, anyway.)
+		abortOnError false
+	}
+}
diff --git a/android/jni/CMakeLists.txt b/android/jni/CMakeLists.txt
new file mode 100644
index 0000000..e291b2d
--- /dev/null
+++ b/android/jni/CMakeLists.txt
@@ -0,0 +1,35 @@
+cmake_minimum_required(VERSION 3.6)
+
+project(HACRAFT)
+
+add_subdirectory(${SDL_ROOT} SDL)
+
+if(${ANDROID_ABI} STREQUAL arm64-v8a)
+	set(HARE_TARGET aarch64)
+elseif(${ANDROID_ABI} STREQUAL x86_64)
+	set(HARE_TARGET x86_64)
+endif()
+
+set(LIBMAIN_SO ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libmain.so)
+
+add_custom_target(compile_main
+	CC=${CMAKE_C_COMPILER} AS=${CMAKE_CURRENT_SOURCE_DIR}/as
+		LDFLAGS=--target=${CMAKE_C_COMPILER_TARGET}\ -shared\ ${CMAKE_CURRENT_SOURCE_DIR}/main.c
+		ASFLAGS=${CMAKE_C_COMPILER}\ ${CMAKE_C_COMPILER_TARGET}
+		HARECACHE=${CMAKE_CURRENT_BINARY_DIR}/hare
+		hare build -a ${HARE_TARGET} -T +android
+		-L${CMAKE_LIBRARY_OUTPUT_DIRECTORY}
+		-o ${LIBMAIN_SO}
+		-lc -lSDL2 -v
+	DEPENDS SDL2
+	BYPRODUCTS ${LIBMAIN_SO}
+	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../..
+	USES_TERMINAL)
+
+add_library(main SHARED IMPORTED GLOBAL)
+set_target_properties(main PROPERTIES IMPORTED_LOCATION ${LIBMAIN_SO})
+add_dependencies(main compile_main)
+
+add_library(dummy SHARED)
+target_sources(dummy PRIVATE dummy.c)
+target_link_libraries(dummy main)
diff --git a/android/jni/as b/android/jni/as
new file mode 100755
index 0000000..00963ee
--- /dev/null
+++ b/android/jni/as
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+cc="$1"
+target="$2"
+out="$4"
+shift 4
+(
+	for f in "$@"; do
+		cat "$f"
+	done
+) | "$cc" --target="$target" -c -o "$out" -x assembler -
diff --git a/android/jni/dummy.c b/android/jni/dummy.c
new file mode 100644
index 0000000..698ef4b
--- /dev/null
+++ b/android/jni/dummy.c
@@ -0,0 +1 @@
+/* nothing to C here */
diff --git a/android/jni/main.c b/android/jni/main.c
new file mode 100644
index 0000000..606ef7f
--- /dev/null
+++ b/android/jni/main.c
@@ -0,0 +1,7 @@
+void android_main();
+
+int
+SDL_main(int argc, char **argv) {
+	android_main();
+	return 0;
+}
diff --git a/android/settings.gradle b/android/settings.gradle
new file mode 100644
index 0000000..e8d169c
--- /dev/null
+++ b/android/settings.gradle
@@ -0,0 +1,13 @@
+pluginManagement {
+	repositories {
+		mavenCentral()
+		google()
+	}
+}
+
+dependencyResolutionManagement {
+	repositories {
+		mavenCentral()
+		google()
+	}
+}
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..5df0531
--- /dev/null
+++ b/android/src/main/AndroidManifest.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+	android:versionCode="1"
+	android:versionName="1.0"
+	android:installLocation="auto">
+
+	<!-- OpenGL ES 3.2 -->
+	<uses-feature android:glEsVersion="0x00030002"/>
+	<!-- Touchscreen support -->
+	<uses-feature
+		android:name="android.hardware.touchscreen"
+		android:required="false"/>
+	<!-- Game controller support -->
+	<uses-feature
+		android:name="android.hardware.bluetooth"
+		android:required="false"/>
+	<uses-feature
+		android:name="android.hardware.gamepad"
+		android:required="false"/>
+	<uses-feature
+		android:name="android.hardware.usb.host"
+		android:required="false"/>
+	<!-- External mouse input events -->
+	<uses-feature
+		android:name="android.hardware.type.pc"
+		android:required="false"/>
+
+	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="22"/>
+	<uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30"/>
+	<uses-permission android:name="android.permission.BLUETOOTH_CONNECT"/>
+	<uses-permission android:name="android.permission.VIBRATE"/>
+	<uses-permission android:name="android.permission.INTERNET"/>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+
+	<application android:label="@string/app_name"
+		android:allowBackup="true"
+		android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
+		android:hardwareAccelerated="true">
+		<!-- android:icon="@mipmap/ic_launcher"
+                        (2024 note): I removed the icon files since they were
+                        just the default ones that come with SDL. -->
+
+		<activity android:name="MainActivity"
+			android:label="@string/app_name"
+			android:alwaysRetainTaskState="true"
+			android:launchMode="singleInstance"
+			android:configChanges="layoutDirection|locale|orientation|uiMode|screenLayout|screenSize|smallestScreenSize|keyboard|keyboardHidden|navigation"
+			android:preferMinimalPostProcessing="true"
+			android:exported="true">
+
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN"/>
+				<category android:name="android.intent.category.LAUNCHER"/>
+			</intent-filter>
+			<intent-filter>
+				<action android:name="android.hardware.usb.action.USB_DEVICE_ATTACHED"/>
+			</intent-filter>
+
+		</activity>
+
+	</application>
+
+</manifest>
diff --git a/android/src/main/java/fi/pulk/hacraft/MainActivity.java b/android/src/main/java/fi/pulk/hacraft/MainActivity.java
new file mode 100644
index 0000000..f349c9c
--- /dev/null
+++ b/android/src/main/java/fi/pulk/hacraft/MainActivity.java
@@ -0,0 +1,5 @@
+package fi.pulk.hacraft;
+
+import org.libsdl.app.SDLActivity;
+
+public class MainActivity extends SDLActivity {}
diff --git a/android/src/main/res/values/colors.xml b/android/src/main/res/values/colors.xml
new file mode 100644
index 0000000..3ab3e9c
--- /dev/null
+++ b/android/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/android/src/main/res/values/strings.xml b/android/src/main/res/values/strings.xml
new file mode 100644
index 0000000..ab79533
--- /dev/null
+++ b/android/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Game</string>
+</resources>
diff --git a/android/src/main/res/values/styles.xml b/android/src/main/res/values/styles.xml
new file mode 100644
index 0000000..ff6c9d2
--- /dev/null
+++ b/android/src/main/res/values/styles.xml
@@ -0,0 +1,8 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+
+</resources>