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Populate metadata on Java objects.

pull/1499/head
Doug Stephen 2017-10-11 11:07:49 -05:00
parent 33a54f021e
commit 5e00d4d5cb
1 changed files with 171 additions and 8 deletions
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163
port/jassimp/jassimp-native/src/jassimp.cpp
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@ -1005,6 +1005,162 @@ static bool loadMeshes(JNIEnv *env, const aiScene* cScene, jobject& jScene)
return true;
}
static bool loadMetadata(JNIEnv *env, const aiNode* cNode, jobject& jNode)
{
aiMetadata *cMetadata = cNode->mMetaData;
for(unsigned i = 0; i<cMetadata->mNumProperties; i++) {
aiString& metaDataKey = cMetadata->mKeys[i];
void* cData = cMetadata->mValues[i].mData;
aiMetadataType cMetadataType = cMetadata->mValues[i].mType;
jobject jAiMetadataEntry = NULL;
SmartLocalRef refMetadataEntry(env, jAiMetadataEntry);
if(!createInstance(env, "jassimp/AiMetadataEntry", jAiMetadataEntry)) {
return false;
}
jobject jAiMetadataTypeEnumValue = NULL;
SmartLocalRef refMetadataTypeEnumValue(env, jAiMetadataTypeEnumValue);
jobject jMetadataData = NULL;
SmartLocalRef refMetadataData(env, jMetadataData);
bool getMetadataTypeSuccess = false;
bool getMetadataDataSuccess = false;
jvalue boxingMethodArgument[1];
jboolean exceptionThrown;
switch (cMetadataType) {
case AI_BOOL: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_BOOL", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue);
boxingMethodArgument[0].z = (jboolean) *static_cast<bool*>(cData);
getMetadataDataSuccess = callStaticObject(env, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;", boxingMethodArgument, jMetadataData);
break;
}
case AI_INT32: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_INT32", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue);
boxingMethodArgument[0].i = (jint) *static_cast<int32_t*>(cData);
getMetadataDataSuccess = callStaticObject(env, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;", boxingMethodArgument, jMetadataData);
break;
}
case AI_UINT64: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_UINT64", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue);
boxingMethodArgument[0].j = (jlong) *static_cast<uint64_t*>(cData);
getMetadataDataSuccess = callStaticObject(env, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", boxingMethodArgument, jMetadataData);
break;
}
case AI_FLOAT: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_FLOAT", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue);
boxingMethodArgument[0].f = (jfloat) *static_cast<float*>(cData);
getMetadataDataSuccess = callStaticObject(env, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;", boxingMethodArgument, jMetadataData);
break;
}
case AI_DOUBLE: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_DOUBLE", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue);
boxingMethodArgument[0].d = (jdouble) *static_cast<double*>(cData);
getMetadataDataSuccess = callStaticObject(env, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;", boxingMethodArgument, jMetadataData);
break;
}
case AI_AISTRING: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_AISTRING", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue);
jMetadataData = env->NewStringUTF(static_cast<aiString*>(cData)->C_Str());
getMetadataDataSuccess = (jMetadataData != NULL);
break;
}
case AI_AIVECTOR3D: {
getMetadataTypeSuccess = getStaticField(env, "jassimp/AiMetadataEntry$AiMetadataType", "AI_AIVECTOR3D",
"Ljassimp/AiMetadataEntry$AiMetadataType;",
jAiMetadataTypeEnumValue);
jvalue wrapVec3Args[3];
aiVector3D *vector3D = static_cast<aiVector3D *>(cData);
wrapVec3Args[0].f = vector3D->x;
wrapVec3Args[1].f = vector3D->y;
wrapVec3Args[2].f = vector3D->z;
getMetadataDataSuccess = callStaticObject(env, "jassimp/Jassimp", "wrapVec3", "(FFF)Ljava/lang/Object;",
wrapVec3Args, jMetadataData);
break;
}
default: {
getMetadataTypeSuccess = false;
getMetadataDataSuccess = false;
break;
}
}
exceptionThrown = env->ExceptionCheck();
if(!getMetadataTypeSuccess || !getMetadataDataSuccess) {
if(exceptionThrown)
{
env->ExceptionDescribe();
}
return false;
}
if(!setObjectField(env, jAiMetadataEntry, "mType", "Ljassimp/AiMetadataEntry$AiMetadataType;", jAiMetadataTypeEnumValue)) {
exceptionThrown = env->ExceptionCheck();
if(exceptionThrown)
{
env->ExceptionDescribe();
}
return false;
}
if(!setObjectField(env, jAiMetadataEntry, "mData", "Ljava/lang/Object;", jMetadataData)) {
exceptionThrown = env->ExceptionCheck();
if(exceptionThrown)
{
env->ExceptionDescribe();
}
return false;
}
jobject jNodeMetadata = NULL;
SmartLocalRef refMetadata(env, jNodeMetadata);
if(!getField(env, jNode, "m_metaData", "Ljava/util/Map;", jNodeMetadata)) {
exceptionThrown = env->ExceptionCheck();
if(exceptionThrown)
{
env->ExceptionDescribe();
}
return false;
}
jclass hashMapClass = env->FindClass("java/util/HashMap");
jmethodID jHashMapPutMethod = env->GetMethodID(hashMapClass, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
jstring jKey = env->NewStringUTF(metaDataKey.C_Str());
SmartLocalRef keyRef(env, jKey);
// Only check exception instead of result here because maps will return
// null on success if they did not overwrite an existing mapping for the given key.
env->CallObjectMethod(jNodeMetadata, jHashMapPutMethod, jKey, jAiMetadataEntry);
exceptionThrown = env->ExceptionCheck();
if(exceptionThrown) {
env->ExceptionDescribe();
return false;
}
}
return true;
}
static bool loadSceneNode(JNIEnv *env, const aiNode *cNode, jobject parent, jobject* loadedNode = NULL)
{
@ -1070,6 +1226,13 @@ static bool loadSceneNode(JNIEnv *env, const aiNode *cNode, jobject parent, jobj
if (NULL != loadedNode)
{
if(cNode->mMetaData) {
if(!loadMetadata(env, cNode, jNode))
{
return false;
}
}
*loadedNode = jNode;
} else {
env->DeleteLocalRef(jNode);