ECSey LOOP NORMALISATION

public/board.js

@@ -439,6 +439,114 @@ class Board{
 
 	}
 
+	// boardElement, cardData?, position?, size?, cardStatus, player, listPosition
+	ECSLoop(boardElementId = null, playerId = null, cardStatusId = null, listPositionId = null){
+		// So, the intent here is to normalise my nested loop I keep duping (parts of)
+		// This will recieve each piece of content that can be stored in each ECS element
+		// Then will loop each individually, setting a new array to be returned
+		// This new array will then be used for tapping, untapping, moving positions, etc.
+
+		// This is the 'core' of the loop, as it'll keep changing what's in it, removing
+		// elements at each step. I.e. Will check boardElement for 'mana', removing all other boardElements
+		// Then with just the 'mana' elements will check the player. OR can return all mana, OR all player items
+		let newItems	= [];
+		let tempArray	= [];
+
+		// Set to all items in itemArray to start
+		newItems = item;
+
+		//let elements		= ['deck','board','hand','mana','shield', 'grave'];
+		// Stuff to be looped, and compared
+		//let boardElement	= {};
+		//let cardData		= {};
+		//let position		= {};
+		//let size		= {};
+		//let cardStatus		= {}; // tapped, attacking, inspected, untargettable (TODO:maybe used this instead of inEvent later)
+		//let player		= {};
+		//let listPosition	= {};
+
+		// These have been re-ordered to try to minise looping
+		// Example, player in theory halfs the cards instantly, whereas boardElement deck, may do little
+		// boardElement often will be better though, but???
+
+		// PLAYER
+		if(playerId !== null){
+			for(let newItem = 0; newItem < newItems.length; newItem++){
+				let itemKey = newItems[newItem];
+				// If the playerId of item shares the passed playerId
+				if(playerId == player[itemKey]){
+					tempArray.push(newItems[newItem]);
+				}
+			}
+			// Set newItems to what remains in tempArray
+			newItems = tempArray;
+		}
+		// Reset tempArray so it can be reused
+		tempArray = [];
+
+		// CARD STATUS
+		if(cardStatusId !== null){
+			for(let newItem = 0; newItem < newItems.length; newItem++){
+				let itemKey = newItems[newItem];
+				// If the playerId of item shares the passed playerId
+				if(cardStatusId == cardStatus[itemKey]){
+					tempArray.push(newItems[newItem]);
+				}
+			}
+			// Set newItems to what remains in tempArray
+			newItems = tempArray;
+		}
+		// Reset tempArray so it can be reused
+		tempArray = [];
+
+		// LIST POSITION
+		if(listPositionId !== null){
+			for(let newItem = 0; newItem < newItems.length; newItem++){
+				let itemKey = newItems[newItem];
+				// If the playerId of item shares the passed playerId
+				if(listPositionId == listPosition[itemKey]){
+					tempArray.push(newItems[newItem]);
+				}
+			}
+			// Set newItems to what remains in tempArray
+			newItems = tempArray;
+		}
+		// Reset tempArray so it can be reused
+		tempArray = [];
+
+
+		// BOARD ELEMENT
+		// Loop items for boardElement of elementType passed
+		// Only do the loop if the element type was passed too, no reason to waste resources
+		if(boardElementId !== null){
+			for(let newItem = 0; newItem < newItems.length; newItem++){
+				// Add the itemKey to tempArray
+				// itemKey can be different to the array's elementId, and we want the original itemKey,
+				// not the new elementId, as that would then add the wrong item
+
+				// Set the itemKey, so things make sense
+				let itemKey = newItems[newItem]; //newItems[0] could be itemKey 12, so want the content
+
+				// If the boardElement of item shares the passed boardElement add it to current return
+				if(boardElementId == boardElement[itemKey]){
+					tempArray.push(newItems[newItem]);
+				}
+			}
+
+			// Set newItems to what remains in tempArray
+			newItems = tempArray;
+		}
+		// Reset tempArray so it can be reused
+		tempArray = [];
+
+		return newItems;
+
+		// TODO: May look at restructuring this again. Maybe one loop with each check against
+		// the element data passed. Depends on which seems fastest, may do a compare on a large
+		// dataset to see
+		// TODO: ALSO in different func, Something like x.element.player.status to return the itemKey?
+	}
+
 	addFromBoardElement(playerFrom, fromPosition, elementFrom, elementTo, toPosition=null, playerTo=null){
 		// Move itemKey fromPosition in elementFrom to toPosition in elementTo
 		// can also switch item between players (of from and to supplied)
@@ -607,6 +715,7 @@ class Board{
 
 		this.drawBoard();
 	}
+
 	inspectCard(cardToInspect){
 		// Set inspectedCard (for now) to the card itemKey
 		inEvent = ['inspect', cardToInspect];
@@ -1247,4 +1356,15 @@ function calculateItemSizePosition(itemKey){
 	position[itemKey]	= [positionX,positionY];
 
 }
+function ECSLoopTest(){
+	// boardElement, player, cardStatus, listPosition
+	// TODO: ?cardData?, position?, size?
+	let boardElementId = 'board';
+	let playerId = 0;
+	let cardStatusId = null;
+	let listPositionId = null;
+	let items = board.ECSLoop(boardElementId, playerId, cardStatusId, listPositionId);
+	console.log('Items in boardElement: '+boardElementId+' player: '+playerId+' cardStatus: '+cardStatusId+' listPosition: '+listPositionId);
+	console.log(items);
+}