fix non-1f slots summoning with the books (spider staff)

Models/ItemModel.cs

@@ -35,6 +35,11 @@ public class ItemModel : TagSerializable, IComparable<ItemModel>
 		/// </summary>
 		public byte SummonCount { get; set; }
 
+		/// <summary>
+		/// How many minion slots the weapon "creates" on use, hardcoded for vanilla, modded assumes SlotsNeeded
+		/// </summary>
+		public float SlotsFilledPerUse => SummonersAssociation.SlotsFilledPerUse.TryGetValue(ItemType, out float value) ? value : SlotsNeeded;
+
 		/// <summary>
 		///If this ItemModel corresponds to an item in the players inventory
 		/// </summary>

SummonersAssociation.cs

@@ -20,6 +20,10 @@ namespace SummonersAssociation
 	public class SummonersAssociation : Mod
 	{
 		private static List<MinionModel> SupportedMinions;
+		/// <summary>
+		/// Hardcoded special vanilla minions that summon a non-1f amount of minions on use
+		/// </summary>
+		internal static Dictionary<int, float> SlotsFilledPerUse;
 		private bool SupportedMinionsFinalized = false;
 
 		internal static UserInterface HistoryBookUIInterface;
@@ -64,6 +68,11 @@ public override void Load() {
 				new MinionModel(ItemID.StardustCellStaff, BuffID.StardustMinion, new List<int>() { ProjectileID.StardustCellMinion })
 			};
 
+			//For SlotsFilledPerUse we can't use MinionModel.GetSlotsPerProjectile because thats just a list of projectiles, and not those that are summoned once on use
+			SlotsFilledPerUse = new Dictionary<int, float> {
+				[ItemID.SpiderStaff] = 0.75f
+			};
+
 			MinionControlRod.LoadHooks();
 		}
 
@@ -83,6 +92,7 @@ public override void Unload() {
 			HistoryBookUI.itemModels.Clear();
 
 			SupportedMinions = null;
+			SlotsFilledPerUse = null;
 			BookTypes = null;
 
 			MinionControlRod.UnloadHooks();

SummonersAssociationPlayer.cs

@@ -136,7 +136,7 @@ private void UpdateHistoryBookUI() {
 									PlayerInput.ScrollWheelDelta = 0;
 									//Only allow to increase if total summon count differential is above or
 									//equal to the number of slots needed to summon
-									if (HistoryBookUI.summonCountDelta >= highlighted.SlotsNeeded) {
+									if (HistoryBookUI.summonCountDelta >= highlighted.SlotsFilledPerUse) {
 										triggered = true;
 
 										highlighted.SummonCount++;

UI/HistoryBookUI.cs

@@ -59,14 +59,14 @@ class HistoryBookUI : UIState
 		internal static Vector2 spawnPosition = default(Vector2);
 
 		/// <summary>
-		/// Number of casts in total (player.numMinions)
+		/// Number of casts in total (player.maxMinions)
 		/// </summary>
 		internal static int summonCountTotal = -1;
 
 		/// <summary>
-		/// Difference of summonCountTotal - SumSummonCounts()
+		/// Difference of summonCountTotal - sum of SlotsFilledPerUse
 		/// </summary>
-		internal static int summonCountDelta = 0;
+		internal static float summonCountDelta = 0;
 
 		/// <summary>
 		/// Held item index
@@ -204,8 +204,8 @@ public override void Update(GameTime gameTime) {
 					#region Setup weapon tooltip
 					tooltip.Add(itemModel.Name);
 
-					if (itemModel.SlotsNeeded > 1) {
-						tooltip.Add("Slots required: " + itemModel.SlotsNeeded);
+					if (itemModel.SlotsFilledPerUse > 1) {
+						tooltip.Add("Slots required: " + itemModel.SlotsFilledPerUse);
 					}
 
 					if (simple && selected == done) {
@@ -343,7 +343,7 @@ protected override void DrawSelf(SpriteBatch spriteBatch) {
 				drawPos = new Vector2((int)TopLeftCorner.X, (int)TopLeftCorner.Y + height) + new Vector2(-4, mainRadius - 20);
 
 				if (summonCountDelta < 0) fontColor = Color.Red;
-				middleTip = summonCountDelta.ToString() + "/" + summonCountTotal.ToString();
+				middleTip = Math.Round(summonCountDelta, 2).ToString() + "/" + summonCountTotal.ToString();
 
 				DrawText(spriteBatch, middleTip, drawPos, fontColor);
 			}
@@ -539,15 +539,16 @@ public static void UpdateHistoryBook(MinionHistoryBookSimple book) {
 		/// <summary>
 		/// summonCountTotal minus all the summon counts weighted with the slots needed
 		/// </summary>
-		public static int GetSummonCountDelta() {
-			int sum = summonCountTotal;
+		public static float GetSummonCountDelta() {
+			float sum = summonCountTotal;
+			float newSum = 0;
 			for (int i = 0; i < itemModels.Count; i++) {
 				ItemModel itemModel = itemModels[i];
 				if (itemModel.Active) {
-					sum -= itemModel.SummonCount * itemModel.SlotsNeeded;
+					newSum += itemModel.SummonCount * itemModel.SlotsFilledPerUse;
 				}
 			}
-			return sum;
+			return sum - newSum;
 		}
 
 		/// <summary>