// Fill out your copyright notice in the Description page of Project Settings.


#include "TangibleManager.h"

using AActorPtr = AActor*;

FTangibleManager::FTangibleManager() {
	World = nullptr;
	ClassTangibleActor = nullptr;
	Actor = 0;
	Near = IdView();
}

void FTangibleManager::Init(UWorld *world, UClass* tanact) {
	World = world;
	ClassTangibleActor = tanact;
	Actor = 0;
	Near = IdView();
}

AActorPtr FTangibleManager::GetTangible(int64 id) {
	AActorPtr *p = IdToActor.Find(id);
	if (p == nullptr) {
		return nullptr;
	} else {
		return *p;
	}
}

AActorPtr FTangibleManager::MakeTangible(int64 id) {
	AActorPtr& p = IdToActor.FindOrAdd(id);
	if (p == nullptr) {
		FVector location(0,0,0);
		FRotator rotation(0, 0, 0);
		FActorSpawnParameters params;
		p = World->SpawnActor(ClassTangibleActor, &location, &rotation, params);
		check(p != nullptr);
	}
	return p;
}

void FTangibleManager::DeleteTangible(int64 id) {
	// IMPLEMENT ME
}

FTangibleManager::IdArray FTangibleManager::GetLive() {
	IdArray result;
	result.SetNum(IdToActor.Num());
	int next = 0;
	for (auto &pair : IdToActor) {
		result[next++] = pair.Key;
	}
	return result;
}