/********************************************************************************

* *

* This file is part of IfcOpenShell. *

* *

* IfcOpenShell is free software: you can redistribute it and/or modify *

* it under the terms of the Lesser GNU General Public License as published by *

* the Free Software Foundation, either version 3.0 of the License, or *

* (at your option) any later version. *

* *

* IfcOpenShell is distributed in the hope that it will be useful, *

* but WITHOUT ANY WARRANTY; without even the implied warranty of *

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *

* Lesser GNU General Public License for more details. *

* *

* You should have received a copy of the Lesser GNU General Public License *

* along with this program. If not, see <http://www.gnu.org/licenses/>. *

* *

********************************************************************************/

/********************************************************************************

* *

* This is a JNI interface to IfcOpenShell for use with the open source *

* http://BIMserver.org *

* *

********************************************************************************/

#include "org_ifcopenshell_IfcOpenShellModel.h"

#include "../ifcgeom/IfcGeomObjects.h"

static bool has_more = false;

JNIEXPORT jobject JNICALL Java_org_ifcopenshell_IfcOpenShellModel_getGeometry (JNIEnv * env, jobject) {

if ( ! has_more ) return 0;

jclass class_def = env->FindClass ("org/ifcopenshell/IfcGeomObject");

if ( ! class_def ) return 0;

jmethodID jconstructor = env->GetMethodID(class_def, "<init>", "(ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;[I[F[F)V");

if ( ! jconstructor ) return 0;

const IfcGeomObjects::IfcGeomObject* o = IfcGeomObjects::Get();

jstring name = env->NewStringUTF(o->name().c_str());

jstring type = env->NewStringUTF(o->type().c_str());

jstring guid = env->NewStringUTF(o->guid().c_str());

jintArray indices = env->NewIntArray(o->mesh().faces().size());

jfloatArray positions = env->NewFloatArray(o->mesh().verts().size());

jfloatArray normals = env->NewFloatArray(o->mesh().normals().size());

env->SetIntArrayRegion(indices,0,o->mesh().faces().size(),(jint*) &o->mesh().faces()[0]);

env->SetFloatArrayRegion(positions,0,o->mesh().verts().size(),(jfloat*) &o->mesh().verts()[0]);

env->SetFloatArrayRegion(normals,0,o->mesh().normals().size(),(jfloat*) &o->mesh().normals()[0]);

jobject return_obj = env->NewObject(class_def, jconstructor, o->id(), name, type, guid, indices, positions, normals);

env->DeleteLocalRef(name);

env->DeleteLocalRef(type);

env->DeleteLocalRef(guid);

env->DeleteLocalRef(indices);

env->DeleteLocalRef(positions);

env->DeleteLocalRef(normals);

env->DeleteLocalRef(class_def);

has_more = IfcGeomObjects::Next();

if ( ! has_more ) IfcGeomObjects::CleanUp();

return return_obj;

}

JNIEXPORT jboolean JNICALL Java_org_ifcopenshell_IfcOpenShellModel_setIfcData (JNIEnv * env, jobject, jbyteArray jdata) {

if ( ! jdata ) return false;

const int length = env->GetArrayLength(jdata);

jboolean is_copy = false;

jbyte* jbytes = env->GetByteArrayElements(jdata, &is_copy);

if ( ! jbytes || ! length ) return false;

void* data = new char[length];

memcpy(data,jbytes,length);

env->ReleaseByteArrayElements(jdata, jbytes, JNI_ABORT);

IfcGeomObjects::Settings(IfcGeomObjects::USE_WORLD_COORDS, true);

IfcGeomObjects::Settings(IfcGeomObjects::WELD_VERTICES, false);

IfcGeomObjects::Settings(IfcGeomObjects::CONVERT_BACK_UNITS, true);

return has_more = IfcGeomObjects::Init(data, length);

}

JNIEXPORT jstring JNICALL Java_org_ifcopenshell_IfcOpenShellModel_getPluginVersion (JNIEnv * env, jobject) {

return env->NewStringUTF(IFCOPENSHELL_VERSION);

}