Added feature flag to enable saturation

projects/scuba-physics/src/lib/AlgorithmContext.ts

@@ -9,6 +9,7 @@ import { Options } from './Options';
 import { DepthConverter } from './depth-converter';
 import { Time } from './Time';
 import { StandardGases } from './StandardGases';
+import { FeatureFlags } from './featureFlags';
 
 export interface ContextMemento {
     tissues: Tissue[];
@@ -67,6 +68,7 @@ export class AlgorithmContext {
         return this.speeds.ascent(this.currentDepth);
     }
 
+    /** Gets depth at end of last segment */
     public get currentDepth(): number {
         return this.segments.currentDepth;
     }
@@ -135,6 +137,11 @@ export class AlgorithmContext {
     }
 
     public addSaturation(): void {
+        if (!FeatureFlags.Instance.collectSaturation) {
+            return;
+        }
+
+        // TODO Fix current depth at the moment, not the currentDepth at end of last segment
         const ambientPressure = this.depthConverter.toBar(this.currentDepth);
         const currentOverPressures = this.tissues.saturationRatio(ambientPressure, this.depthConverter.surfacePressure, 1);
         this.saturationRatios.push(currentOverPressures);

projects/scuba-physics/src/lib/Tissues.ts

@@ -270,7 +270,7 @@ export class Tissues {
         // TODO do we need adjust m-value against user gradient factors and surface pressure?
         // We need use Gradient here, since we want to show the saturation aligned with profile and ceilings.
         // Or should the heat map change when changing gradient factors?
-        return [];
+        // return [];
         return _(this._compartments).map(t => {
             if (t.pTotal < ambientPressure) {
                 return t.pTotal / ambientPressure - 1;

projects/scuba-physics/src/lib/featureFlags.ts

@@ -0,0 +1,14 @@
+export class FeatureFlags
+{
+    private static _instance: FeatureFlags;
+
+    public collectSaturation = false;
+
+    private constructor() {
+    }
+
+    public static get Instance()
+    {
+        return FeatureFlags._instance || (FeatureFlags._instance = new FeatureFlags());
+    }
+}

projects/scuba-physics/src/public-api.ts

@@ -11,6 +11,7 @@ export * from './lib/DefaultValues';
 export * from './lib/depth-converter';
 export * from './lib/DepthLevels';
 export * from './lib/Diver';
+export * from './lib/featureFlags';
 export * from './lib/GasMixtures';
 export * from './lib/Gases';
 export * from './lib/gasBlender';