From 34ab47062420f0cad7a4aa8b293fc0d6c19eab07 Mon Sep 17 00:00:00 2001
From: Atlante45 <clement.brisset@gmail.com>
Date: Fri, 20 Mar 2015 21:21:18 +0100
Subject: [PATCH] lightController first draft

---
 examples/entityScripts/lightController.js | 119 ++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 examples/entityScripts/lightController.js

diff --git a/examples/entityScripts/lightController.js b/examples/entityScripts/lightController.js
new file mode 100644
index 0000000000..50e32e30f3
--- /dev/null
+++ b/examples/entityScripts/lightController.js
@@ -0,0 +1,119 @@
+(function() {
+    this.entityID = null;
+    this.lightID = null;
+    this.sound = null;
+
+    function checkEntity(entityID) {
+        return entityID && Entities.identifyEntity(entityID).isKnownID;
+    }
+    function getUserData(entityID) {
+        var properties = Entities.getEntityProperties(entityID);
+        if (properties.userData) {
+            return JSON.parse(properties.userData);
+        }
+        print("Warning: light controller has no user data.");
+        // TODO: Remove before merge
+        this.DO_NOT_MERGE();
+        return getUserData(entityID);
+        ////////////////////////////
+        return null;
+    }
+    // Download sound if needed
+    this.maybeDownloadSound = function() {
+        if (this.sound === null) {
+            this.sound = SoundCache.getSound("http://public.highfidelity.io/sounds/Footsteps/FootstepW3Left-12db.wav");
+        }
+    }
+    // Play switch sound
+    this.playSound = function() {
+        if (this.sound && this.sound.downloaded) {
+            Audio.playSound(this.sound, { position: Entities.getEntityProperties(this.entityID).position });
+        } else {
+            print("Warning: Couldn't play sound.");
+        }
+    }
+    // Toggles the associated light entity
+    this.toggleLight = function() {
+        if (this.lightID) {
+            var lightProperties = Entities.getEntityProperties(this.lightID);
+            Entities.editEntity(this.lightID, { visible: !lightProperties.visible });
+        } else {
+            print("Warning: No light to turn on/off");
+        }
+    }
+    
+    this.createLight = function() {
+        var lightProperties = getUserData(this.entityID).lightDefaultProperties;
+        if (lightProperties) {
+            var properties = Entities.getEntityProperties(this.entityID);
+            
+            lightProperties.rotation = Quat.multiply(properties.rotation, lightProperties.rotation);
+            lightProperties.position = Vec3.sum(properties.position,
+                                                Vec3.multiplyQbyV(properties.rotation, lightProperties.position));
+            print("Created light");
+            return Entities.addEntity(lightProperties);
+        } else {
+            print("Warning: light controller has no default light.");
+            return null;
+        }
+    }
+    
+    this.updateLight = function() {
+        // Find valid light
+        if (!checkEntity(this.lightID)) {
+            var userData = getUserData(this.entityID);
+            if (userData.lightID && checkEntity(userData.lightID)) {
+                this.lightID = userData.lightID;
+            } else {
+                this.lightID = null;
+            }
+        }
+
+        // No valid light, create one
+        if (!this.lightID) {
+            this.lightID = this.createLight();
+        }
+    }
+
+    this.preload = function(entityID) {
+        this.entityID = entityID;
+        this.maybeDownloadSound();
+    };
+    
+    this.clickReleaseOnEntity = function(entityID, mouseEvent) {
+        if (mouseEvent.isLeftButton) {
+            this.updateLight();
+            this.toggleLight();
+            this.playSound();
+        } else if (mouseEvent.isRightButton) {
+            print("Right button");
+        }
+    };
+    
+    this.DO_NOT_MERGE = function() {
+        var userData = {
+            lightID: null,
+            lightDefaultProperties: {
+                type: "Light",  
+                position: { x: 0, y: 0.5, z: 0 },
+                dimensions: { x: 2, y: 2, z: 2 },
+                angularVelocity: { x: 0, y: 0, z: 0 },
+                angularDamping: 0,
+
+                isSpotlight: true,
+                color: { red: 255, green: 0, blue: 0 },
+                diffuseColor: { red: 255, green: 0, blue: 0 },
+                ambientColor: { red: 0, green: 0, blue: 255 },
+                specularColor: { red: 0, green: 255, blue: 0 },
+
+                intensity: 10,
+                constantAttenuation: 0,
+                linearAttenuation: 1,
+                quadraticAttenuation: 0,
+                exponent: 0,
+                cutoff: 180, // in degrees
+            }
+        };
+        Entities.editEntity(this.entityID, { userData: JSON.stringify(userData) });
+    }
+})
\ No newline at end of file