mirror of
https://github.com/godotengine/godot.git
synced 2025-11-04 07:31:16 +00:00
300 lines
8.9 KiB
C++
300 lines
8.9 KiB
C++
/*************************************************************************/
|
|
/* godot_plugin_jni.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#include "godot_plugin_jni.h"
|
|
|
|
#include <core/engine.h>
|
|
#include <core/error_macros.h>
|
|
#include <core/project_settings.h>
|
|
#include <platform/android/jni_utils.h>
|
|
#include <platform/android/string_android.h>
|
|
|
|
class JNISingleton : public Object {
|
|
|
|
GDCLASS(JNISingleton, Object);
|
|
|
|
struct MethodData {
|
|
|
|
jmethodID method;
|
|
Variant::Type ret_type;
|
|
Vector<Variant::Type> argtypes;
|
|
};
|
|
|
|
jobject instance;
|
|
Map<StringName, MethodData> method_map;
|
|
|
|
public:
|
|
virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
|
|
|
|
ERR_FAIL_COND_V(!instance, Variant());
|
|
|
|
r_error.error = Variant::CallError::CALL_OK;
|
|
|
|
Map<StringName, MethodData>::Element *E = method_map.find(p_method);
|
|
if (!E) {
|
|
|
|
r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
|
|
return Variant();
|
|
}
|
|
|
|
int ac = E->get().argtypes.size();
|
|
if (ac < p_argcount) {
|
|
|
|
r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
|
|
r_error.argument = ac;
|
|
return Variant();
|
|
}
|
|
|
|
if (ac > p_argcount) {
|
|
|
|
r_error.error = Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
|
|
r_error.argument = ac;
|
|
return Variant();
|
|
}
|
|
|
|
for (int i = 0; i < p_argcount; i++) {
|
|
|
|
if (!Variant::can_convert(p_args[i]->get_type(), E->get().argtypes[i])) {
|
|
|
|
r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
|
|
r_error.argument = i;
|
|
r_error.expected = E->get().argtypes[i];
|
|
}
|
|
}
|
|
|
|
jvalue *v = NULL;
|
|
|
|
if (p_argcount) {
|
|
|
|
v = (jvalue *)alloca(sizeof(jvalue) * p_argcount);
|
|
}
|
|
|
|
JNIEnv *env = ThreadAndroid::get_env();
|
|
|
|
int res = env->PushLocalFrame(16);
|
|
|
|
ERR_FAIL_COND_V(res != 0, Variant());
|
|
|
|
List<jobject> to_erase;
|
|
for (int i = 0; i < p_argcount; i++) {
|
|
|
|
jvalret vr = _variant_to_jvalue(env, E->get().argtypes[i], p_args[i]);
|
|
v[i] = vr.val;
|
|
if (vr.obj)
|
|
to_erase.push_back(vr.obj);
|
|
}
|
|
|
|
Variant ret;
|
|
|
|
switch (E->get().ret_type) {
|
|
|
|
case Variant::NIL: {
|
|
|
|
env->CallVoidMethodA(instance, E->get().method, v);
|
|
} break;
|
|
case Variant::BOOL: {
|
|
|
|
ret = env->CallBooleanMethodA(instance, E->get().method, v) == JNI_TRUE;
|
|
} break;
|
|
case Variant::INT: {
|
|
|
|
ret = env->CallIntMethodA(instance, E->get().method, v);
|
|
} break;
|
|
case Variant::REAL: {
|
|
|
|
ret = env->CallFloatMethodA(instance, E->get().method, v);
|
|
} break;
|
|
case Variant::STRING: {
|
|
|
|
jobject o = env->CallObjectMethodA(instance, E->get().method, v);
|
|
ret = jstring_to_string((jstring)o, env);
|
|
env->DeleteLocalRef(o);
|
|
} break;
|
|
case Variant::POOL_STRING_ARRAY: {
|
|
|
|
jobjectArray arr = (jobjectArray)env->CallObjectMethodA(instance, E->get().method, v);
|
|
|
|
ret = _jobject_to_variant(env, arr);
|
|
|
|
env->DeleteLocalRef(arr);
|
|
} break;
|
|
case Variant::POOL_INT_ARRAY: {
|
|
|
|
jintArray arr = (jintArray)env->CallObjectMethodA(instance, E->get().method, v);
|
|
|
|
int fCount = env->GetArrayLength(arr);
|
|
PoolVector<int> sarr;
|
|
sarr.resize(fCount);
|
|
|
|
PoolVector<int>::Write w = sarr.write();
|
|
env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
|
|
w.release();
|
|
ret = sarr;
|
|
env->DeleteLocalRef(arr);
|
|
} break;
|
|
case Variant::POOL_REAL_ARRAY: {
|
|
|
|
jfloatArray arr = (jfloatArray)env->CallObjectMethodA(instance, E->get().method, v);
|
|
|
|
int fCount = env->GetArrayLength(arr);
|
|
PoolVector<float> sarr;
|
|
sarr.resize(fCount);
|
|
|
|
PoolVector<float>::Write w = sarr.write();
|
|
env->GetFloatArrayRegion(arr, 0, fCount, w.ptr());
|
|
w.release();
|
|
ret = sarr;
|
|
env->DeleteLocalRef(arr);
|
|
} break;
|
|
|
|
case Variant::DICTIONARY: {
|
|
|
|
jobject obj = env->CallObjectMethodA(instance, E->get().method, v);
|
|
ret = _jobject_to_variant(env, obj);
|
|
env->DeleteLocalRef(obj);
|
|
|
|
} break;
|
|
default: {
|
|
|
|
env->PopLocalFrame(NULL);
|
|
ERR_FAIL_V(Variant());
|
|
} break;
|
|
}
|
|
|
|
while (to_erase.size()) {
|
|
env->DeleteLocalRef(to_erase.front()->get());
|
|
to_erase.pop_front();
|
|
}
|
|
|
|
env->PopLocalFrame(NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
jobject get_instance() const {
|
|
|
|
return instance;
|
|
}
|
|
void set_instance(jobject p_instance) {
|
|
|
|
instance = p_instance;
|
|
}
|
|
|
|
void add_method(const StringName &p_name, jmethodID p_method, const Vector<Variant::Type> &p_args, Variant::Type p_ret_type) {
|
|
|
|
MethodData md;
|
|
md.method = p_method;
|
|
md.argtypes = p_args;
|
|
md.ret_type = p_ret_type;
|
|
method_map[p_name] = md;
|
|
}
|
|
|
|
JNISingleton() {
|
|
instance = NULL;
|
|
}
|
|
};
|
|
|
|
static HashMap<String, JNISingleton *> jni_singletons;
|
|
|
|
extern "C" {
|
|
|
|
JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterSingleton(JNIEnv *env, jclass clazz, jstring name, jobject obj) {
|
|
|
|
String singname = jstring_to_string(name, env);
|
|
JNISingleton *s = memnew(JNISingleton);
|
|
s->set_instance(env->NewGlobalRef(obj));
|
|
jni_singletons[singname] = s;
|
|
|
|
Engine::get_singleton()->add_singleton(Engine::Singleton(singname, s));
|
|
ProjectSettings::get_singleton()->set(singname, s);
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterMethod(JNIEnv *env, jclass clazz, jstring sname, jstring name, jstring ret, jobjectArray args) {
|
|
|
|
String singname = jstring_to_string(sname, env);
|
|
|
|
ERR_FAIL_COND(!jni_singletons.has(singname));
|
|
|
|
JNISingleton *s = jni_singletons.get(singname);
|
|
|
|
String mname = jstring_to_string(name, env);
|
|
String retval = jstring_to_string(ret, env);
|
|
Vector<Variant::Type> types;
|
|
String cs = "(";
|
|
|
|
int stringCount = env->GetArrayLength(args);
|
|
|
|
for (int i = 0; i < stringCount; i++) {
|
|
|
|
jstring string = (jstring)env->GetObjectArrayElement(args, i);
|
|
const String rawString = jstring_to_string(string, env);
|
|
types.push_back(get_jni_type(rawString));
|
|
cs += get_jni_sig(rawString);
|
|
}
|
|
|
|
cs += ")";
|
|
cs += get_jni_sig(retval);
|
|
jclass cls = env->GetObjectClass(s->get_instance());
|
|
jmethodID mid = env->GetMethodID(cls, mname.ascii().get_data(), cs.ascii().get_data());
|
|
if (!mid) {
|
|
|
|
print_line("Failed getting method ID " + mname);
|
|
}
|
|
|
|
s->add_method(mname, mid, types, get_jni_type(retval));
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_org_godotengine_godot_plugin_GodotPlugin_nativeRegisterGDNativeLibraries(JNIEnv *env, jobject obj, jobjectArray gdnlib_paths) {
|
|
int gdnlib_count = env->GetArrayLength(gdnlib_paths);
|
|
if (gdnlib_count == 0) {
|
|
return;
|
|
}
|
|
|
|
// Retrieve the current list of gdnative libraries.
|
|
Array singletons = Array();
|
|
if (ProjectSettings::get_singleton()->has_setting("gdnative/singletons")) {
|
|
singletons = ProjectSettings::get_singleton()->get("gdnative/singletons");
|
|
}
|
|
|
|
// Insert the libraries provided by the plugin
|
|
for (int i = 0; i < gdnlib_count; i++) {
|
|
jstring relative_path = (jstring)env->GetObjectArrayElement(gdnlib_paths, i);
|
|
|
|
String path = "res://" + jstring_to_string(relative_path, env);
|
|
if (!singletons.has(path)) {
|
|
singletons.push_back(path);
|
|
}
|
|
env->DeleteLocalRef(relative_path);
|
|
}
|
|
|
|
// Insert the updated list back into project settings.
|
|
ProjectSettings::get_singleton()->set("gdnative/singletons", singletons);
|
|
}
|
|
}
|