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52 lines
1.2 KiB
52 lines
1.2 KiB
// Fill out your copyright notice in the Description page of Project Settings.
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#include "WaveSubsystem.h"
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void UWaveSubsystem::Init(const TArray<UWave*> InWaves, const int32 CurrWave = 0)
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{
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CurrentWave = CurrWave;
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Waves = InWaves;
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}
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int32 UWaveSubsystem::SpawnWave(const float InVerticalSpacing, const float InHorizontalOffset, const int InNumRows)
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{
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NumRows = InNumRows;
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HorizontalOffset = InHorizontalOffset;
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VerticalSpacing = InVerticalSpacing;
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SpawnQueue = Waves[CurrentWave]->GetUnits();
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const auto NumUnits = SpawnQueue.Num();
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SpawnUnits();
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GetWorld()->GetTimerManager().SetTimer(
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SpawnTimerHandle,
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this,
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&UWaveSubsystem::SpawnUnits,
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0.5f,
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true);
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CurrentWave++;
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return NumUnits;
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}
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void UWaveSubsystem::SpawnUnits()
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{
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for(auto i = 0; i < NumRows; i++)
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{
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if(i + LastSpawnIndex >= SpawnQueue.Num())
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{
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GetWorld()->GetTimerManager().ClearTimer(SpawnTimerHandle);
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return;
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}
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FVector Location = FVector(VerticalSpacing * i - VerticalSpacing, HorizontalOffset, 0);
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AActor* NewEnemy = GetWorld()->SpawnActor(SpawnQueue[i + LastSpawnIndex]->GetCharacterClass(), &Location);
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if(NewEnemy != nullptr)
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{
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NewEnemy->Tags.Add(TEXT("enemy"));
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}
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}
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LastSpawnIndex += NumRows;
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}
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