add blindsense sensor mode

scripts/module.js

@@ -70,6 +70,24 @@ Hooks.on('init', () => {
       preferred: false
     }
   })
+  CONFIG.Canvas.visionModes.blindsense = new VisionMode({
+    id: 'blindsense',
+    label: 'Blindsense',
+    canvas: {
+      shader: ColorAdjustmentsSamplerShader,
+      uniforms: { contrast: 0, saturation: -0.5, brightness: -0.2 }
+    },
+    lighting: {
+      background: { visibility: VisionMode.LIGHTING_VISIBILITY.DISABLED },
+      coloration: { visibility: VisionMode.LIGHTING_VISIBILITY.DISABLED },
+      illumination: { visibility: VisionMode.LIGHTING_VISIBILITY.DISABLED }
+    },
+    vision: {
+      darkness: { adaptive: false },
+      defaults: { attenuation: 0.1, contrast: 0, saturation: -1, brightness: 0 },
+      preferred: false
+    }
+  })
 })
 
 Hooks.on('swadePreRollAttribute', preTraitRollModifiers)