Implement grading

calamity-inc · May 29, 2024 · 4b0673c · 4b0673c
1 parent 5fa49bd
commit 4b0673c
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Showing 2 changed files with 48 additions and 7 deletions.
diff --git a/RivenParser.js b/RivenParser.js
@@ -1011,7 +1011,7 @@ function rivenIntToFloat(i) {
 }
 
 function floatToRivenInt(f) {
-    return f * 0x3FFFFFFF;
+    return Math.round(f * 0x3FFFFFFF);
 }
 
 function lerp(a, b, t) {
@@ -1143,6 +1143,21 @@ function unparseCurse(rivenType, omegaAttenuation, lvl, numBuffs, numCurses, tag
     return value;
 }
 
+function floatToGrade(value) {
+    value = lerp(-10, +10, value);
+    if (value >= +9.5) return "S";
+    if (value >= +7.5) return "A+";
+    if (value >= +5.5) return "A";
+    if (value >= +3.5) return "A-";
+    if (value >= +1.5) return "B+";
+    if (value >= -1.5) return "B";
+    if (value >= -3.5) return "B-";
+    if (value >= -5.5) return "C+";
+    if (value >= -7.5) return "C";
+    if (value >= -9.5) return "C-";
+    return "F";
+}
+
 const RivenParser = {
     riven_tags,
     rivenIntToFloat,
@@ -1151,7 +1166,8 @@ const RivenParser = {
     displayValueToValue,
     parseRiven,
     unparseBuff,
-    unparseCurse
+    unparseCurse,
+    floatToGrade,
 };
 if (typeof module != "undefined") {
     module.exports = RivenParser;

diff --git a/index.html b/index.html
@@ -15,6 +15,10 @@
 		#fingerprint {
 			resize: none;
 		}
+
+		.grade {
+			min-width: 44px;
+		}
 	</style>
 </head>
 <body>
@@ -227,7 +231,7 @@ <h5 class="card-header">Fingerprint</h5>
 					const tag = div.querySelector("select").value;
 
 					if (div.parentNode.id == "buffs") {
-						div.querySelector(".left-value").valueAsNumber = rivenFloatToLeftValue(RivenParser.unparseBuff(
+						div.querySelector(".left-value").valueAsNumber = floatToLeftValue(RivenParser.unparseBuff(
 							rivenType,
 							omegaAttenuation,
 							lvl,
@@ -240,7 +244,7 @@ <h5 class="card-header">Fingerprint</h5>
 						updateName();
 					}
 					else {
-						div.querySelector(".left-value").valueAsNumber = rivenFloatToLeftValue(RivenParser.unparseCurse(
+						div.querySelector(".left-value").valueAsNumber = floatToLeftValue(RivenParser.unparseCurse(
 							rivenType,
 							omegaAttenuation,
 							lvl,
@@ -260,6 +264,12 @@ <h5 class="card-header">Fingerprint</h5>
 				};
 				div.appendChild(input);
 			}
+			{
+				let span = document.createElement("span");
+				span.className = "input-group-text grade";
+				span.textContent = "B";
+				div.appendChild(span);
+			}
 			body.appendChild(div);
 		}
 
@@ -295,16 +305,20 @@ <h5 class="card-header">Fingerprint</h5>
 			}
 		}
 
+		function leftValueToFloat(val) {
+			return ((val - 9000) / 2000);
+		}
+
 		function leftValueToRivenInt(val) {
-			return Math.round(((val - 9000) / 2000) * 0x3FFFFFFF);
+			return RivenParser.floatToRivenInt(leftValueToFloat(val));
 		}
 
-		function rivenFloatToLeftValue(val) {
+		function floatToLeftValue(val) {
 			return Math.round((val * 2000) + 9000);
 		}
 
 		function rivenIntToLeftValue(val) {
-			return rivenFloatToLeftValue(RivenParser.rivenIntToFloat(val));
+			return floatToLeftValue(RivenParser.rivenIntToFloat(val));
 		}
 
 		function getFingerprint() {
@@ -351,6 +365,8 @@ <h5 class="card-header">Fingerprint</h5>
 			const rivenType = document.getElementById("riven-type").value;
 			const omegaAttenuation = parseFloat(document.getElementById("omega-attenuation").value);
 			location.hash = encodeURIComponent(JSON.stringify({ rivenType, omegaAttenuation, fingerprint }));
+
+			updateGrades();
 		}
 
 		function calculateStatsForward() {
@@ -384,6 +400,15 @@ <h5 class="card-header">Fingerprint</h5>
 			document.getElementById("name-suffix").textContent = name;
 		}
 
+		function updateGrades() {
+			document.querySelectorAll("#buffs .input-group").forEach(buff => {
+				buff.querySelector(".grade").textContent = RivenParser.floatToGrade(leftValueToFloat(buff.querySelector(".left-value").valueAsNumber));
+			});
+			document.querySelectorAll("#curses .input-group").forEach(curse => {
+				curse.querySelector(".grade").textContent = RivenParser.floatToGrade(1.0 - leftValueToFloat(curse.querySelector(".left-value").valueAsNumber));
+			});
+		}
+
 		function handleFingerprintUpdate() {
 			document.getElementById("fingerprint").classList.remove("is-invalid");
 			try {