From cb553c1a2ee0da2432e4f416af5de526a718b227 Mon Sep 17 00:00:00 2001
From: Alex <alex.hart.278@gmail.com>
Date: Tue, 22 Oct 2024 21:04:09 +0200
Subject: [PATCH] Android bindings for `OS::get_tmp_dir()`

---
 .../java/lib/src/org/godotengine/godot/GodotIO.java | 12 ++++++++++++
 platform/android/java_godot_io_wrapper.cpp          | 12 ++++++++++++
 platform/android/java_godot_io_wrapper.h            |  2 ++
 platform/android/os_android.cpp                     | 13 +++++++++++++
 platform/android/os_android.h                       |  2 ++
 5 files changed, 41 insertions(+)

diff --git a/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java b/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java
index f060c7aaffb..2c1a81babbf 100644
--- a/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java
+++ b/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java
@@ -131,6 +131,18 @@ public class GodotIO {
 		return activity.getCacheDir().getAbsolutePath();
 	}
 
+	public String getTmpDir() {
+		File tmpDir = new File(getCacheDir() + "/tmp");
+
+		if (!tmpDir.exists()) {
+			if (!tmpDir.mkdirs()) {
+				Log.e(TAG, "Unable to create tmp dir");
+			}
+		}
+
+		return tmpDir.getAbsolutePath();
+	}
+
 	public String getDataDir() {
 		return activity.getFilesDir().getAbsolutePath();
 	}
diff --git a/platform/android/java_godot_io_wrapper.cpp b/platform/android/java_godot_io_wrapper.cpp
index 623db39985f..aa55339d1e3 100644
--- a/platform/android/java_godot_io_wrapper.cpp
+++ b/platform/android/java_godot_io_wrapper.cpp
@@ -52,6 +52,7 @@ GodotIOJavaWrapper::GodotIOJavaWrapper(JNIEnv *p_env, jobject p_godot_io_instanc
 
 		_open_URI = p_env->GetMethodID(cls, "openURI", "(Ljava/lang/String;)I");
 		_get_cache_dir = p_env->GetMethodID(cls, "getCacheDir", "()Ljava/lang/String;");
+		_get_tmp_dir = p_env->GetMethodID(cls, "getTmpDir", "()Ljava/lang/String;");
 		_get_data_dir = p_env->GetMethodID(cls, "getDataDir", "()Ljava/lang/String;");
 		_get_display_cutouts = p_env->GetMethodID(cls, "getDisplayCutouts", "()[I"),
 		_get_display_safe_area = p_env->GetMethodID(cls, "getDisplaySafeArea", "()[I"),
@@ -106,6 +107,17 @@ String GodotIOJavaWrapper::get_cache_dir() {
 	}
 }
 
+String GodotIOJavaWrapper::get_tmp_dir() {
+	if (_get_tmp_dir) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_NULL_V(env, String());
+		jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_tmp_dir);
+		return jstring_to_string(s, env);
+	} else {
+		return String();
+	}
+}
+
 String GodotIOJavaWrapper::get_user_data_dir() {
 	if (_get_data_dir) {
 		JNIEnv *env = get_jni_env();
diff --git a/platform/android/java_godot_io_wrapper.h b/platform/android/java_godot_io_wrapper.h
index 0a372641cbb..b9a24b6d5ac 100644
--- a/platform/android/java_godot_io_wrapper.h
+++ b/platform/android/java_godot_io_wrapper.h
@@ -48,6 +48,7 @@ private:
 	jmethodID _open_URI = 0;
 	jmethodID _get_cache_dir = 0;
 	jmethodID _get_data_dir = 0;
+	jmethodID _get_tmp_dir = 0;
 	jmethodID _get_display_cutouts = 0;
 	jmethodID _get_display_safe_area = 0;
 	jmethodID _get_locale = 0;
@@ -71,6 +72,7 @@ public:
 
 	Error open_uri(const String &p_uri);
 	String get_cache_dir();
+	String get_tmp_dir();
 	String get_user_data_dir();
 	String get_locale();
 	String get_model();
diff --git a/platform/android/os_android.cpp b/platform/android/os_android.cpp
index 7b0d3a29e90..4ef4fa69fab 100644
--- a/platform/android/os_android.cpp
+++ b/platform/android/os_android.cpp
@@ -677,6 +677,19 @@ String OS_Android::get_cache_path() const {
 	return ".";
 }
 
+String OS_Android::get_tmp_path() const {
+	if (!tmp_dir_cache.is_empty()) {
+		return tmp_dir_cache;
+	}
+
+	String tmp_dir = godot_io_java->get_tmp_dir();
+	if (!tmp_dir.is_empty()) {
+		tmp_dir_cache = _remove_symlink(tmp_dir);
+		return tmp_dir_cache;
+	}
+	return ".";
+}
+
 String OS_Android::get_unique_id() const {
 	String unique_id = godot_io_java->get_unique_id();
 	if (!unique_id.is_empty()) {
diff --git a/platform/android/os_android.h b/platform/android/os_android.h
index fb3cdf0d4c0..62247895a20 100644
--- a/platform/android/os_android.h
+++ b/platform/android/os_android.h
@@ -58,6 +58,7 @@ private:
 
 	mutable String data_dir_cache;
 	mutable String cache_dir_cache;
+	mutable String tmp_dir_cache;
 	mutable String remote_fs_dir;
 
 	AudioDriverOpenSL audio_driver_android;
@@ -148,6 +149,7 @@ public:
 	virtual String get_user_data_dir() const override;
 	virtual String get_data_path() const override;
 	virtual String get_cache_path() const override;
+	virtual String get_tmp_path() const override;
 	virtual String get_resource_dir() const override;
 	virtual String get_locale() const override;
 	virtual String get_model_name() const override;