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EntityManager.cpp
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EntityManager.cpp
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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <jni.h>
#include <utils/EntityManager.h>
using namespace utils;
static_assert(sizeof(jint) == sizeof(Entity), "jint and Entity are not compatible!!");
extern "C" JNIEXPORT jlong JNICALL
Java_com_google_android_filament_EntityManager_nGetEntityManager(JNIEnv*, jclass) {
return (jlong) &EntityManager::get();
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_EntityManager_nCreateArray(JNIEnv* env, jclass,
jlong nativeEntityManager, jint n, jintArray entities_) {
EntityManager* em = (EntityManager *) nativeEntityManager;
jint* entities = env->GetIntArrayElements(entities_, NULL);
// This is very very gross, we just pretend Entity is just like an jint
// (which it is), but still.
em->create((size_t) n, reinterpret_cast<Entity *>(entities));
env->ReleaseIntArrayElements(entities_, entities, JNI_ABORT);
}
extern "C" JNIEXPORT jint JNICALL
Java_com_google_android_filament_EntityManager_nCreate(JNIEnv*, jclass,
jlong nativeEntityManager) {
EntityManager* em = (EntityManager *) nativeEntityManager;
return em->create().getId();
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_EntityManager_nDestroyArray(JNIEnv* env, jclass,
jlong nativeEntityManager, jint n, jintArray entities_) {
EntityManager* em = (EntityManager *) nativeEntityManager;
jint* entities = env->GetIntArrayElements(entities_, NULL);
// This is very very gross, we just pretend Entity is just like an
// jint (which it is), but still.
em->destroy((size_t) n, reinterpret_cast<Entity*>(entities));
env->ReleaseIntArrayElements(entities_, entities, JNI_ABORT);
}
extern "C" JNIEXPORT void JNICALL
Java_com_google_android_filament_EntityManager_nDestroy(JNIEnv*, jclass,
jlong nativeEntityManager, jint entity_) {
EntityManager *em = (EntityManager *) nativeEntityManager;
Entity& entity = *reinterpret_cast<Entity*>(&entity_);
em->destroy(entity);
}
extern "C" JNIEXPORT jboolean JNICALL
Java_com_google_android_filament_EntityManager_nIsAlive(JNIEnv*, jclass,
jlong nativeEntityManager, jint entity_) {
EntityManager *em = (EntityManager *) nativeEntityManager;
Entity& entity = *reinterpret_cast<Entity*>(&entity_);
return (jboolean) em->isAlive(entity);
}