From abcea7daad9be3cb08c09b7d9edc43369bce35ed Mon Sep 17 00:00:00 2001
From: "Laetitia (O-01-67)" <68935009+O-01-67@users.noreply.github.com>
Date: Thu, 23 Feb 2023 12:54:14 -0500
Subject: [PATCH] finite, squeezable sponges

---
 mods/sponge_edit.js | 76 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 mods/sponge_edit.js

diff --git a/mods/sponge_edit.js b/mods/sponge_edit.js
new file mode 100644
index 00000000..f95396cb
--- /dev/null
+++ b/mods/sponge_edit.js
@@ -0,0 +1,76 @@
+var modName = "mods/sponge_edit.js";
+var onTryMoveIntoMod = "mods/onTryMoveInto.js";
+var libraryMod = "mods/code_library.js";
+
+if(enabledMods.includes(onTryMoveIntoMod) && enabledMods.includes(libraryMod)) {
+	elements.sponge.properties ??= {};
+	elements.sponge.properties.maxAbsorb = 250;
+
+	elements.sponge.tick = function(pixel) {
+		pixel.absorbed ??= {};
+		var coordsToCheck = [
+			[pixel.x-1,pixel.y],
+			[pixel.x+1,pixel.y],
+			[pixel.x,pixel.y-1],
+			[pixel.x,pixel.y+1],
+		];
+		shuffleArray(coordsToCheck);
+		for (var i = 0; i < coordsToCheck.length; i++) {
+			if(sumNumericArray(Object.values(pixel.absorbed)) >= pixel.maxAbsorb) {
+				break;
+			};
+			var coord = coordsToCheck[i];
+			if (!isEmpty(coord[0],coord[1],true)) {
+				var newPixel = pixelMap[coord[0]][coord[1]];
+				if (elements[newPixel.element].state === "liquid" && ((elements[newPixel.element].density || 0) < 2500)) {
+					pixel.absorbed[newPixel.element] ??= 0;
+					pixel.absorbed[newPixel.element]++;
+					deletePixel(coord[0],coord[1]);
+				};
+			};
+		};
+		if((pixel.absorbed.water ?? 0) < 5) {
+			doBurning(pixel);
+		};
+	};
+	
+	elements.sponge.onTryMoveInto = function(pixel,otherPixel) {
+		var absorbedElements = Object.keys(pixel.absorbed);
+		if(absorbedElements.length == 0) {
+			return false;
+		};
+		var otherInfo = elements[otherPixel.element]
+		if((otherInfo.state ?? "solid") == "solid") {
+			//console.log(otherPixel.element,otherInfo.state);
+			var outputOffsets = [pixel.x - otherPixel.x, pixel.y - otherPixel.y];
+			var twiceOffsets = outputOffsets.map(x => x * 2);
+			var newCoords = [pixel.x + outputOffsets[0], pixel.y + outputOffsets[1]];
+			var twiceCoords = [pixel.x + twiceOffsets[0], pixel.y + twiceOffsets[1]];
+			if(!isEmpty(newCoords[0],newCoords[1],true)) {
+				if(outOfBounds(newCoords[0],newCoords[1])) { //fail if OOB
+					return false;
+				};
+				var newPixel = pixelMap[newCoords[0]][newCoords[1]];
+				if((elements[newPixel.element].state ?? "solid") !== "gas") { //only displace gases
+					return false;
+				};
+				if(!tryMove(newPixel,twiceCoords[0],twiceCoords[1])) { //if it can't push the gas out to the next pixel over
+					return false; //then return false because perpendicular expulsion too complex and multifaceted to deal with
+				};
+			};
+			if(isEmpty(pixel.x,pixel.y+1)) {
+				var randomElement = randomChoice(absorbedElements);
+				if(pixel.absorbed[randomElement] > 0) {
+					if(tryCreatePixel(randomElement,newCoords[0],newCoords[1])) { pixel.absorbed[randomElement]-- };
+				} else {
+					delete pixel.absorbed[randomChoice]
+				};
+			};
+		};
+	};
+} else {
+	enabledMods.splice(enabledMods.indexOf(modName),0,onTryMoveIntoMod);
+	enabledMods.splice(enabledMods.indexOf(modName),0,libraryMod);
+	localStorage.setItem("enabledMods", JSON.stringify(enabledMods));
+	alert(`The ${onTryMoveIntoMod} mod and ${libraryMod} mods are required and have been automatically inserted (reload for this to take effect).`);
+};
\ No newline at end of file