Allow mass estimation; fix food intake/value clashing

Also styles selects differently if they have their 'disabled' value

macrovision.js

@@ -1206,8 +1206,26 @@ function makeEntity(info, views, sizes, forms = {}) {
 
                 view.units = {};
 
+                if (config.autoMass && view.attributes.weight === undefined) {
+                    let base = undefined;
+                    switch(config.autoMass) {
+                        case "human":
+                            base = math.divide(math.unit(150, "lbs"), math.unit(5.917, "feet"))
+                            break
+                        case "quadruped at shoulder":
+                            base = math.divide(math.unit(80, "lbs"), math.unit(30, "inches"))
+                            break
+                    }
+                    view.attributes.weight = {
+                        name: "Mass",
+                        power: 3,
+                        type: "mass",
+                        base: math.multiply(base, view.attributes.height.base)
+                    }
+                }
+
                 if (config.autoFoodIntake && view.attributes.weight !== undefined && view.attributes.energyNeed === undefined) {
-                    view.attributes.energyNeed = {
+                    view.attributes.energyIntake = {
                         name: "Food Intake",
                         power: 3,
                         type: "energy",
@@ -2526,6 +2544,7 @@ const settingsData = {
         desc: "Draw interesting altitudes",
         type: "select",
         default: "none",
+        disabled: "none",
         options: [
             "none",
             "all",
@@ -2598,6 +2617,7 @@ const settingsData = {
         desc: "What kind of ground to show, if any",
         type: "select",
         default: "black",
+        disabled: "none",
         options: [
             "none",
             "black",
@@ -2822,6 +2842,24 @@ const settingsData = {
             toggleBodyClass("smoothing", param);
         }
     },
+    "auto-mass": {
+        name: "Estimate Mass",
+        desc: "Guess the mass of things that don't have one specified using the selected body type",
+        type: "select",
+        default: "off",
+        disabled: "off",
+        options: [
+            "off",
+            "human",
+            "quadruped at shoulder",
+        ],
+        get value() {
+            return config.autoMass
+        },
+        set value(param) {
+            config.autoMass = param
+        }
+    },
     "auto-food-intake": {
         name: "Estimate Food Intake",
         desc: "Guess how much food creatures need, based on their mass -- 2000kcal per 150lbs",
@@ -2941,10 +2979,16 @@ function prepareSettings(userSettings) {
             holder.appendChild(select);
             menubar.appendChild(holder);
 
-            holder.classList.add("enabled");
-
             const update = () => {
                 entry.value = select.value;
+
+                if (entry.disabled !== undefined && entry.value !== entry.disabled) {
+                    holder.classList.add("enabled");
+                    holder.classList.remove("disabled");
+                } else {
+                    holder.classList.remove("enabled");
+                    holder.classList.add("disabled");
+                }
             }
 
             update();