frontal and back depression

packages/i18n/strings/en.json

@@ -58,6 +58,10 @@
         "dispersion_angle": "Dispersion angle",
         "gun_depression": "Gun depression",
         "gun_elevation": "Gun elevation",
+        "gun_frontal_depression": "Frontal depression",
+        "gun_frontal_elevation": "Frontal elevation",
+        "gun_rear_depression": "Rear depression",
+        "gun_rear_elevation": "Rear elevation",
         "azimuth_left": "Azimuth left",
         "azimuth_right": "Azimuth right",
         "speed_forward": "Speed forward",

packages/website/src/components/TankopediaCharacteristics/index.tsx

@@ -88,7 +88,7 @@ function Group({ group, characteristics }: GroupProps) {
         {group.order.map((item) => (
           <>
             {"toy" in item && <Toy {...item} />}
-            {"name" in item && characteristics.get(item.name) && (
+            {"name" in item && characteristics.has(item.name) && (
               <Item config={item} value={characteristics.get(item.name)!} />
             )}
           </>

packages/website/src/config/characteristics.ts

@@ -523,6 +523,50 @@ export const characteristics = {
     },
   },
 
+  gun_frontal_depression: {
+    type: CharacteristicType.Number,
+    should_render({ state, turret, gun }) {
+      return state.model.turrets[turret.id].guns[gun.id].pitch!.front !==
+        undefined;
+    },
+    compute({ state, turret, gun }) {
+      return state.model.turrets[turret.id].guns[gun.id].pitch!.front!.max;
+    },
+  },
+
+  gun_frontal_elevation: {
+    type: CharacteristicType.Number,
+    should_render({ state, turret, gun }) {
+      return state.model.turrets[turret.id].guns[gun.id].pitch!.front !==
+        undefined;
+    },
+    compute({ state, turret, gun }) {
+      return -state.model.turrets[turret.id].guns[gun.id].pitch!.front!.min;
+    },
+  },
+
+  gun_rear_depression: {
+    type: CharacteristicType.Number,
+    should_render({ state, turret, gun }) {
+      return state.model.turrets[turret.id].guns[gun.id].pitch!.back !==
+        undefined;
+    },
+    compute({ state, turret, gun }) {
+      return state.model.turrets[turret.id].guns[gun.id].pitch!.back!.max;
+    },
+  },
+
+  gun_rear_elevation: {
+    type: CharacteristicType.Number,
+    should_render({ state, turret, gun }) {
+      return state.model.turrets[turret.id].guns[gun.id].pitch!.back !==
+        undefined;
+    },
+    compute({ state, turret, gun }) {
+      return -state.model.turrets[turret.id].guns[gun.id].pitch!.back!.min;
+    },
+  },
+
   azimuth_left: {
     type: CharacteristicType.Number,
     should_render({ state, turret }) {

packages/website/src/config/characteristicsGroups.ts

@@ -140,6 +140,10 @@ export const characteristicsGroups: CharacteristicsGroup[] = [
     order: [
       { name: "gun_depression", decimals: 0, units: "deg" },
       { name: "gun_elevation", decimals: 0, units: "deg" },
+      { name: "gun_frontal_depression", decimals: 1, units: "deg" },
+      { name: "gun_frontal_elevation", decimals: 1, units: "deg" },
+      { name: "gun_rear_depression", decimals: 1, units: "deg" },
+      { name: "gun_rear_elevation", decimals: 1, units: "deg" },
       { name: "azimuth_left", decimals: 0, units: "deg" },
       { name: "azimuth_right", decimals: 0, units: "deg" },