mirror of
https://github.com/godotengine/godot.git
synced 2024-12-09 10:09:20 +08:00
401 lines
12 KiB
C++
401 lines
12 KiB
C++
/*************************************************************************/
|
|
/* jni_utils.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 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 "jni_utils.h"
|
|
|
|
jvalret _variant_to_jvalue(JNIEnv *env, Variant::Type p_type, const Variant *p_arg, bool force_jobject) {
|
|
jvalret v;
|
|
|
|
switch (p_type) {
|
|
case Variant::BOOL: {
|
|
if (force_jobject) {
|
|
jclass bclass = env->FindClass("java/lang/Boolean");
|
|
jmethodID ctor = env->GetMethodID(bclass, "<init>", "(Z)V");
|
|
jvalue val;
|
|
val.z = (bool)(*p_arg);
|
|
jobject obj = env->NewObjectA(bclass, ctor, &val);
|
|
v.val.l = obj;
|
|
v.obj = obj;
|
|
env->DeleteLocalRef(bclass);
|
|
} else {
|
|
v.val.z = *p_arg;
|
|
};
|
|
} break;
|
|
case Variant::INT: {
|
|
if (force_jobject) {
|
|
jclass bclass = env->FindClass("java/lang/Integer");
|
|
jmethodID ctor = env->GetMethodID(bclass, "<init>", "(I)V");
|
|
jvalue val;
|
|
val.i = (int)(*p_arg);
|
|
jobject obj = env->NewObjectA(bclass, ctor, &val);
|
|
v.val.l = obj;
|
|
v.obj = obj;
|
|
env->DeleteLocalRef(bclass);
|
|
|
|
} else {
|
|
v.val.i = *p_arg;
|
|
};
|
|
} break;
|
|
case Variant::FLOAT: {
|
|
if (force_jobject) {
|
|
jclass bclass = env->FindClass("java/lang/Double");
|
|
jmethodID ctor = env->GetMethodID(bclass, "<init>", "(D)V");
|
|
jvalue val;
|
|
val.d = (double)(*p_arg);
|
|
jobject obj = env->NewObjectA(bclass, ctor, &val);
|
|
v.val.l = obj;
|
|
v.obj = obj;
|
|
env->DeleteLocalRef(bclass);
|
|
|
|
} else {
|
|
v.val.f = *p_arg;
|
|
};
|
|
} break;
|
|
case Variant::STRING: {
|
|
String s = *p_arg;
|
|
jstring jStr = env->NewStringUTF(s.utf8().get_data());
|
|
v.val.l = jStr;
|
|
v.obj = jStr;
|
|
} break;
|
|
case Variant::PACKED_STRING_ARRAY: {
|
|
Vector<String> sarray = *p_arg;
|
|
jobjectArray arr = env->NewObjectArray(sarray.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
|
|
|
|
for (int j = 0; j < sarray.size(); j++) {
|
|
jstring str = env->NewStringUTF(sarray[j].utf8().get_data());
|
|
env->SetObjectArrayElement(arr, j, str);
|
|
env->DeleteLocalRef(str);
|
|
}
|
|
v.val.l = arr;
|
|
v.obj = arr;
|
|
|
|
} break;
|
|
|
|
case Variant::DICTIONARY: {
|
|
Dictionary dict = *p_arg;
|
|
jclass dclass = env->FindClass("org/godotengine/godot/Dictionary");
|
|
jmethodID ctor = env->GetMethodID(dclass, "<init>", "()V");
|
|
jobject jdict = env->NewObject(dclass, ctor);
|
|
|
|
Array keys = dict.keys();
|
|
|
|
jobjectArray jkeys = env->NewObjectArray(keys.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
|
|
for (int j = 0; j < keys.size(); j++) {
|
|
jstring str = env->NewStringUTF(String(keys[j]).utf8().get_data());
|
|
env->SetObjectArrayElement(jkeys, j, str);
|
|
env->DeleteLocalRef(str);
|
|
};
|
|
|
|
jmethodID set_keys = env->GetMethodID(dclass, "set_keys", "([Ljava/lang/String;)V");
|
|
jvalue val;
|
|
val.l = jkeys;
|
|
env->CallVoidMethodA(jdict, set_keys, &val);
|
|
env->DeleteLocalRef(jkeys);
|
|
|
|
jobjectArray jvalues = env->NewObjectArray(keys.size(), env->FindClass("java/lang/Object"), nullptr);
|
|
|
|
for (int j = 0; j < keys.size(); j++) {
|
|
Variant var = dict[keys[j]];
|
|
jvalret v = _variant_to_jvalue(env, var.get_type(), &var, true);
|
|
env->SetObjectArrayElement(jvalues, j, v.val.l);
|
|
if (v.obj) {
|
|
env->DeleteLocalRef(v.obj);
|
|
}
|
|
};
|
|
|
|
jmethodID set_values = env->GetMethodID(dclass, "set_values", "([Ljava/lang/Object;)V");
|
|
val.l = jvalues;
|
|
env->CallVoidMethodA(jdict, set_values, &val);
|
|
env->DeleteLocalRef(jvalues);
|
|
env->DeleteLocalRef(dclass);
|
|
|
|
v.val.l = jdict;
|
|
v.obj = jdict;
|
|
} break;
|
|
|
|
case Variant::PACKED_INT32_ARRAY: {
|
|
Vector<int> array = *p_arg;
|
|
jintArray arr = env->NewIntArray(array.size());
|
|
const int *r = array.ptr();
|
|
env->SetIntArrayRegion(arr, 0, array.size(), r);
|
|
v.val.l = arr;
|
|
v.obj = arr;
|
|
|
|
} break;
|
|
case Variant::PACKED_BYTE_ARRAY: {
|
|
Vector<uint8_t> array = *p_arg;
|
|
jbyteArray arr = env->NewByteArray(array.size());
|
|
const uint8_t *r = array.ptr();
|
|
env->SetByteArrayRegion(arr, 0, array.size(), reinterpret_cast<const signed char *>(r));
|
|
v.val.l = arr;
|
|
v.obj = arr;
|
|
|
|
} break;
|
|
case Variant::PACKED_FLOAT32_ARRAY: {
|
|
Vector<float> array = *p_arg;
|
|
jfloatArray arr = env->NewFloatArray(array.size());
|
|
const float *r = array.ptr();
|
|
env->SetFloatArrayRegion(arr, 0, array.size(), r);
|
|
v.val.l = arr;
|
|
v.obj = arr;
|
|
|
|
} break;
|
|
#ifndef _MSC_VER
|
|
#warning This is missing 64 bits arrays, I have no idea how to do it in JNI
|
|
#endif
|
|
|
|
default: {
|
|
v.val.i = 0;
|
|
} break;
|
|
}
|
|
return v;
|
|
}
|
|
|
|
String _get_class_name(JNIEnv *env, jclass cls, bool *array) {
|
|
jclass cclass = env->FindClass("java/lang/Class");
|
|
jmethodID getName = env->GetMethodID(cclass, "getName", "()Ljava/lang/String;");
|
|
jstring clsName = (jstring)env->CallObjectMethod(cls, getName);
|
|
|
|
if (array) {
|
|
jmethodID isArray = env->GetMethodID(cclass, "isArray", "()Z");
|
|
jboolean isarr = env->CallBooleanMethod(cls, isArray);
|
|
(*array) = isarr ? true : false;
|
|
}
|
|
String name = jstring_to_string(clsName, env);
|
|
env->DeleteLocalRef(clsName);
|
|
|
|
return name;
|
|
}
|
|
|
|
Variant _jobject_to_variant(JNIEnv *env, jobject obj) {
|
|
if (obj == nullptr) {
|
|
return Variant();
|
|
}
|
|
|
|
jclass c = env->GetObjectClass(obj);
|
|
bool array;
|
|
String name = _get_class_name(env, c, &array);
|
|
|
|
if (name == "java.lang.String") {
|
|
return jstring_to_string((jstring)obj, env);
|
|
};
|
|
|
|
if (name == "[Ljava.lang.String;") {
|
|
jobjectArray arr = (jobjectArray)obj;
|
|
int stringCount = env->GetArrayLength(arr);
|
|
Vector<String> sarr;
|
|
|
|
for (int i = 0; i < stringCount; i++) {
|
|
jstring string = (jstring)env->GetObjectArrayElement(arr, i);
|
|
sarr.push_back(jstring_to_string(string, env));
|
|
env->DeleteLocalRef(string);
|
|
}
|
|
|
|
return sarr;
|
|
};
|
|
|
|
if (name == "java.lang.Boolean") {
|
|
jmethodID boolValue = env->GetMethodID(c, "booleanValue", "()Z");
|
|
bool ret = env->CallBooleanMethod(obj, boolValue);
|
|
return ret;
|
|
};
|
|
|
|
if (name == "java.lang.Integer" || name == "java.lang.Long") {
|
|
jclass nclass = env->FindClass("java/lang/Number");
|
|
jmethodID longValue = env->GetMethodID(nclass, "longValue", "()J");
|
|
jlong ret = env->CallLongMethod(obj, longValue);
|
|
return ret;
|
|
};
|
|
|
|
if (name == "[I") {
|
|
jintArray arr = (jintArray)obj;
|
|
int fCount = env->GetArrayLength(arr);
|
|
Vector<int> sarr;
|
|
sarr.resize(fCount);
|
|
|
|
int *w = sarr.ptrw();
|
|
env->GetIntArrayRegion(arr, 0, fCount, w);
|
|
return sarr;
|
|
};
|
|
|
|
if (name == "[B") {
|
|
jbyteArray arr = (jbyteArray)obj;
|
|
int fCount = env->GetArrayLength(arr);
|
|
Vector<uint8_t> sarr;
|
|
sarr.resize(fCount);
|
|
|
|
uint8_t *w = sarr.ptrw();
|
|
env->GetByteArrayRegion(arr, 0, fCount, reinterpret_cast<signed char *>(w));
|
|
return sarr;
|
|
};
|
|
|
|
if (name == "java.lang.Float" || name == "java.lang.Double") {
|
|
jclass nclass = env->FindClass("java/lang/Number");
|
|
jmethodID doubleValue = env->GetMethodID(nclass, "doubleValue", "()D");
|
|
double ret = env->CallDoubleMethod(obj, doubleValue);
|
|
return ret;
|
|
};
|
|
|
|
if (name == "[D") {
|
|
jdoubleArray arr = (jdoubleArray)obj;
|
|
int fCount = env->GetArrayLength(arr);
|
|
PackedFloat32Array sarr;
|
|
sarr.resize(fCount);
|
|
|
|
real_t *w = sarr.ptrw();
|
|
|
|
for (int i = 0; i < fCount; i++) {
|
|
double n;
|
|
env->GetDoubleArrayRegion(arr, i, 1, &n);
|
|
w[i] = n;
|
|
};
|
|
return sarr;
|
|
};
|
|
|
|
if (name == "[F") {
|
|
jfloatArray arr = (jfloatArray)obj;
|
|
int fCount = env->GetArrayLength(arr);
|
|
PackedFloat32Array sarr;
|
|
sarr.resize(fCount);
|
|
|
|
real_t *w = sarr.ptrw();
|
|
|
|
for (int i = 0; i < fCount; i++) {
|
|
float n;
|
|
env->GetFloatArrayRegion(arr, i, 1, &n);
|
|
w[i] = n;
|
|
};
|
|
return sarr;
|
|
};
|
|
|
|
if (name == "[Ljava.lang.Object;") {
|
|
jobjectArray arr = (jobjectArray)obj;
|
|
int objCount = env->GetArrayLength(arr);
|
|
Array varr;
|
|
|
|
for (int i = 0; i < objCount; i++) {
|
|
jobject jobj = env->GetObjectArrayElement(arr, i);
|
|
Variant v = _jobject_to_variant(env, jobj);
|
|
varr.push_back(v);
|
|
env->DeleteLocalRef(jobj);
|
|
}
|
|
|
|
return varr;
|
|
};
|
|
|
|
if (name == "java.util.HashMap" || name == "org.godotengine.godot.Dictionary") {
|
|
Dictionary ret;
|
|
jclass oclass = c;
|
|
jmethodID get_keys = env->GetMethodID(oclass, "get_keys", "()[Ljava/lang/String;");
|
|
jobjectArray arr = (jobjectArray)env->CallObjectMethod(obj, get_keys);
|
|
|
|
PackedStringArray keys = _jobject_to_variant(env, arr);
|
|
env->DeleteLocalRef(arr);
|
|
|
|
jmethodID get_values = env->GetMethodID(oclass, "get_values", "()[Ljava/lang/Object;");
|
|
arr = (jobjectArray)env->CallObjectMethod(obj, get_values);
|
|
|
|
Array vals = _jobject_to_variant(env, arr);
|
|
env->DeleteLocalRef(arr);
|
|
|
|
for (int i = 0; i < keys.size(); i++) {
|
|
ret[keys[i]] = vals[i];
|
|
};
|
|
|
|
return ret;
|
|
};
|
|
|
|
env->DeleteLocalRef(c);
|
|
|
|
return Variant();
|
|
}
|
|
|
|
Variant::Type get_jni_type(const String &p_type) {
|
|
static struct {
|
|
const char *name;
|
|
Variant::Type type;
|
|
} _type_to_vtype[] = {
|
|
{ "void", Variant::NIL },
|
|
{ "boolean", Variant::BOOL },
|
|
{ "int", Variant::INT },
|
|
{ "float", Variant::FLOAT },
|
|
{ "double", Variant::FLOAT },
|
|
{ "java.lang.String", Variant::STRING },
|
|
{ "[I", Variant::PACKED_INT32_ARRAY },
|
|
{ "[B", Variant::PACKED_BYTE_ARRAY },
|
|
{ "[F", Variant::PACKED_FLOAT32_ARRAY },
|
|
{ "[Ljava.lang.String;", Variant::PACKED_STRING_ARRAY },
|
|
{ "org.godotengine.godot.Dictionary", Variant::DICTIONARY },
|
|
{ nullptr, Variant::NIL }
|
|
};
|
|
|
|
int idx = 0;
|
|
|
|
while (_type_to_vtype[idx].name) {
|
|
if (p_type == _type_to_vtype[idx].name)
|
|
return _type_to_vtype[idx].type;
|
|
|
|
idx++;
|
|
}
|
|
|
|
return Variant::NIL;
|
|
}
|
|
|
|
const char *get_jni_sig(const String &p_type) {
|
|
static struct {
|
|
const char *name;
|
|
const char *sig;
|
|
} _type_to_vtype[] = {
|
|
{ "void", "V" },
|
|
{ "boolean", "Z" },
|
|
{ "int", "I" },
|
|
{ "float", "F" },
|
|
{ "double", "D" },
|
|
{ "java.lang.String", "Ljava/lang/String;" },
|
|
{ "org.godotengine.godot.Dictionary", "Lorg/godotengine/godot/Dictionary;" },
|
|
{ "[I", "[I" },
|
|
{ "[B", "[B" },
|
|
{ "[F", "[F" },
|
|
{ "[Ljava.lang.String;", "[Ljava/lang/String;" },
|
|
{ nullptr, "V" }
|
|
};
|
|
|
|
int idx = 0;
|
|
|
|
while (_type_to_vtype[idx].name) {
|
|
if (p_type == _type_to_vtype[idx].name)
|
|
return _type_to_vtype[idx].sig;
|
|
|
|
idx++;
|
|
}
|
|
|
|
return "Ljava/lang/Object;";
|
|
}
|