using Godot; public class Research { public ResearchData data; public bool isResearched = false; public double elapsedResearchTime = 0; public bool paidResources = false; public ResearchResult Execute(double delta) { if (!paidResources) { foreach (Ingredient ingredient in data.Inputs) { GameData.inventory.RemoveItem(ingredient.Item, ingredient.Amount); } paidResources = true; } elapsedResearchTime += delta; if (elapsedResearchTime >= data.CraftTime) { isResearched = true; return ResearchResult.FINISHED; } return ResearchResult.RESEARCHING; } }