物品随机生成预研完成

Source/BusyRabbit/Private/Level/Map/Components/StaticResourceLayerComponent.cpp

@@ -3,14 +3,14 @@
 #include "Level/Actor/BusyStaticResource.h"
 #include "Utils/MitchellBestCandidate.h"
 
-static FName GetOneOfAlwaysPresent(TMap<FName, int32>& AlwaysPresentResource)
+static FName PeekOneOfAlwaysPresent(TMap<FName, int32>& AlwaysPresentResource)
 {
 	TArray<FName> NeedRemoveKeys;
 	for (auto& Pair : AlwaysPresentResource)
 	{
 		if (Pair.Value <= 0)
 		{
-			NeedRemoveKeys.AddUnique(Pair.Key);
+			NeedRemoveKeys.Add(Pair.Key);
 		}
 	}
 	for (auto& RemovedKey : NeedRemoveKeys)
@@ -22,12 +22,27 @@ static FName GetOneOfAlwaysPresent(TMap<FName, int32>& AlwaysPresentResource)
 	{
 		return FName();
 	}
-	auto &Pair = *AlwaysPresentResource.begin();
-	Pair.Value -= 1;
+	const auto &Pair = *AlwaysPresentResource.begin();
 	return Pair.Key;
 }
 
 
+static void ConsumeOneOfAlwaysPresent(TMap<FName, int32>& AlwaysPresentResource, const FName &ResourceName)
+{
+	if (const int32 *RemainCount = AlwaysPresentResource.Find(ResourceName))
+	{
+		if (*RemainCount > 0)
+		{
+			AlwaysPresentResource[ResourceName] = *RemainCount - 1;
+			return;
+		}
+	}
+	UE_LOG(LogMapGenerate, Error, TEXT("ConsumeOneOfAlwaysPresent %s failed"), *ResourceName.ToString());
+}
+
+
+
+
 inline static IGameMapInterface * GetMapActor(const UActorComponent* Component)
 {
 	AActor *Owner = Component->GetOwner();
@@ -92,6 +107,10 @@ void UStaticResourceLayerComponent::GetAlwaysPresentResourceList(TMap<FName, int
 		if (RowData->MinGenerateCount > 0)
 		{
 			OutAlwaysPresentResource.Add(Pair.Key, RowData->MinGenerateCount);
+			UE_LOG(LogMapGenerate, Log,
+				TEXT("UStaticResourceLayerComponent::GetAlwaysPresentResourceList %s: %d"),
+				*Pair.Key.ToString(), RowData->MinGenerateCount
+			);
 		}
 	}
 }
@@ -108,8 +127,12 @@ bool UStaticResourceLayerComponent::GenerateAlwaysPresentInfo(TArray<FVector2D>&
 
 	for (int i = ResourcePoints.Num() - 1; i >= 0; i--)  // 遍历所有的资源点尝试生成资源
 	{
-		FName CurrentSelected = GetOneOfAlwaysPresent(AlwaysPresentResource);
-		if (CurrentSelected.IsNone()) break;  // 必须生成的资源已经全部生成了，则结束
+		FName CurrentSelected = PeekOneOfAlwaysPresent(AlwaysPresentResource);
+		if (CurrentSelected.IsNone())  // 必须生成的资源已经全部生成了，则结束
+		{
+			UE_LOG(LogMapGenerate, Log, TEXT("UStaticResourceLayerComponent::GenerateAlwaysPresentInfo All Always present created."))
+			break;
+		}
 		
 		const FVector2D& CurrentPoint = ResourcePoints[i];
 		FGameplayTag CurrentTerrain = MapInterface->Execute_GetTerrainAt(Owner, CurrentPoint.X, CurrentPoint.Y);  // 获取这个资源点的地形类型
@@ -120,15 +143,20 @@ bool UStaticResourceLayerComponent::GenerateAlwaysPresentInfo(TArray<FVector2D>&
 
 		if (Config->TerrainTypes.HasTag(CurrentTerrain))  // 资源的地形配置包含当前的地形，则添加进生成的列表
 		{
-			GeneratedResourcePoints.Add(TTuple<FName, FVector2D>(
-				CurrentSelected,
-				FVector2D(ResourcePoints[i].X, ResourcePoints[i].Y))
-			);
+			GeneratedResourcePoints.Add(TTuple<FName, FVector2D>(CurrentSelected, FVector2D(ResourcePoints[i].X, ResourcePoints[i].Y)));
+			ConsumeOneOfAlwaysPresent(AlwaysPresentResource, CurrentSelected);
 			ResourcePoints[i].X = ResourcePoints[i].Y = -1;
+			UE_LOG(LogMapGenerate, Log, TEXT("UStaticResourceLayerComponent::GenerateAlwaysPresentInfo Create %s at (%d, %d)"),
+				*CurrentSelected.ToString(), int32(ResourcePoints[i].X), int32(ResourcePoints[i].Y))
+		}
+		else
+		{
+			UE_LOG(LogMapGenerate, Log, TEXT("UStaticResourceLayerComponent::GenerateAlwaysPresentInfo Failed create %s at (%d,%d) in %s"),
+				*CurrentSelected.ToString(), int32(ResourcePoints[i].X), int32(ResourcePoints[i].Y), *CurrentTerrain.ToString());
 		}
 	}
 
-	if (!GetOneOfAlwaysPresent(AlwaysPresentResource).IsNone())  // 如果还有必须要生成的没有生成，则生成失败
+	if (!PeekOneOfAlwaysPresent(AlwaysPresentResource).IsNone())  // 如果还有必须要生成的没有生成，则生成失败
 	{
 		GeneratedResourcePoints.Empty();
 		return false;

Source/BusyRabbit/Private/Level/Map/GameMapActor.cpp

@@ -1,6 +1,7 @@
 #include "Level/Map/GameMapActor.h"
 #include "Level/Map/Components/StaticResourceLayerComponent.h"
 
+DEFINE_LOG_CATEGORY(LogMapGenerate);
 
 AGameMapActor::AGameMapActor()
 {

Source/BusyRabbit/Public/Level/Map/GameMapActor.h

@@ -6,6 +6,8 @@
 #include "GameMapActor.generated.h"
 
 
+DECLARE_LOG_CATEGORY_EXTERN(LogMapGenerate, Log, All);
+
 UINTERFACE()
 class UGameMapInterface : public UInterface
 {