Export sun direction.

source/.rubocop.yml

@@ -17,6 +17,12 @@ Naming/RescuedExceptionsVariableName:
 Metrics/AbcSize:
   Enabled: false
 
+Metrics/CyclomaticComplexity:
+  Enabled: false
+
+Metrics/PerceivedComplexity:
+  Enabled: false
+
 Metrics/MethodLength:
   Max: 25
 

source/pbr.rb

@@ -26,7 +26,7 @@
 # PBR plugin namespace.
 module PBR
 
-  VERSION = '1.5.6'.freeze
+  VERSION = '1.5.7'.freeze
 
   # Load translation if it's available for current locale.
   TRANSLATE = LanguageHandler.new('pbr.strings')

source/pbr/Viewport App/viewport.html

@@ -12,6 +12,8 @@
 		<script src="lib/localforage.min.js"></script>
 		<script src="lib/claygl.modded.js"></script>
 		<script src="lib/claygl-advanced-renderer.min.js"></script>
+
+		<script src="assets/sketchup-sun-dir.json"></script>
 		<script src="assets/sketchup-locale.json"></script>
 
 		<link rel="stylesheet" href="viewport.css"></link>

source/pbr/Viewport App/viewport.js

@@ -101,11 +101,11 @@ PBR.Viewport.naturalLights = {};
 PBR.Viewport.artificialLights = [];
 
 /**
- * Viewport glTF model version.
+ * Viewport data version timestamp.
  *
  * @type {number}
  */
-PBR.Viewport.modelVersion = 0;
+PBR.Viewport.dataVersion = 0;
 
 /**
  * Helper function to convert HTML colors.
@@ -198,7 +198,17 @@ localforage.getItem('cameraPosition').then(function(cameraPosition) {
 					PBR.Viewport.naturalLights.specular = ambientLight.specular;
 
 					// Create a directional light.
-					PBR.Viewport.naturalLights.direct = app.createDirectionalLight([-1, -1, -1], '#fff', 0.8);
+					PBR.Viewport.naturalLights.direct = app.createDirectionalLight(
+						[
+							// XXX XYZ to -X-ZY
+							sketchUpSunDir.x * -1,
+							sketchUpSunDir.z * -1,
+							sketchUpSunDir.y,
+						],
+						 '#fff',
+						 0.8
+					);
+
 					PBR.Viewport.naturalLights.direct.shadowResolution = 4096;
 
 					// Set HDR background image.
@@ -383,55 +393,55 @@ PBR.Viewport.listenToCameraReset = function() {
 };
 
 /**
- * Set model version from URL parameter?
+ * Set data version from URL parameter?
  */
-PBR.Viewport.setModelVersion = function() {
+PBR.Viewport.setDataVersion = function() {
 
-	PBR.Viewport.modelVersion = parseInt(document.location.search.replace(/\D/g, ''));
+	PBR.Viewport.dataVersion = parseInt(document.location.search.replace(/\D/g, ''));
 
-	if ( isNaN(PBR.Viewport.modelVersion) ) {
+	if ( isNaN(PBR.Viewport.dataVersion) ) {
 
-		PBR.Viewport.modelVersion = parseInt(Date.now() / 1000);
+		PBR.Viewport.dataVersion = parseInt(Date.now() / 1000);
 
 	}
 
 };
 
 /**
- * Refresh Viewport if a newer version of model is available.
+ * Refresh Viewport if a newer data version is available.
  */
-PBR.Viewport.checkForModelUpdates = function() {
+PBR.Viewport.checkForDataUpdates = function() {
 
 	var request = new XMLHttpRequest();
 
-	var lastModelVersion = 0;
+	var lastDataVersion = 0;
 
 	request.addEventListener('load', function(event) {
 
-		lastModelVersion = parseInt(event.target.response);
+		lastDataVersion = parseInt(event.target.response);
 
-		if ( PBR.Viewport.modelVersion < lastModelVersion ) {
+		if ( PBR.Viewport.dataVersion < lastDataVersion ) {
 
 			// Refresh Viewport.
-			document.location.search = 'model_ver=' + lastModelVersion;
+			document.location.search = 'last_data_ver=' + lastDataVersion;
 
 		}
 
 	});
 
-	request.open('GET', 'assets/sketchup-model.ver');
+	request.open('GET', 'assets/sketchup-data.version');
 
 	request.send();
 
 };
 
 /**
- * Set Viewport "Check Model Updates" interval.
+ * Set Viewport "Check Data Updates" interval.
  */
-PBR.Viewport.setCmuInterval = function() {
+PBR.Viewport.setCduInterval = function() {
 
 	window.setInterval(
-		PBR.Viewport.checkForModelUpdates,
+		PBR.Viewport.checkForDataUpdates,
 		1000
 	);
 
@@ -440,7 +450,7 @@ PBR.Viewport.setCmuInterval = function() {
 // When document is ready:
 document.addEventListener('DOMContentLoaded', function() {
 
-	PBR.Viewport.setModelVersion();
+	PBR.Viewport.setDataVersion();
 
 	PBR.Viewport.translateStrings();
 
@@ -450,7 +460,7 @@ document.addEventListener('DOMContentLoaded', function() {
 
 	PBR.Viewport.listenToCameraReset();
 
-	PBR.Viewport.setCmuInterval();
+	PBR.Viewport.setCduInterval();
 
 });
 

source/pbr/app_observer.rb

@@ -23,6 +23,7 @@
 require 'sketchup'
 require 'pbr/viewport'
 require 'pbr/model_observer'
+require 'pbr/sun_observer'
 
 # PBR plugin namespace.
 module PBR
@@ -41,6 +42,8 @@ def onNewModel(model)
 
       model.add_observer(ModelObserver.new)
 
+      model.shadow_info.add_observer(SunObserver.new)
+
     end
 
     # When SketchUp user opens an existing model:
@@ -52,6 +55,8 @@ def onOpenModel(model)
 
       model.add_observer(ModelObserver.new)
 
+      model.shadow_info.add_observer(SunObserver.new)
+
     end
 
     # When SketchUp user turns off an extension:

source/pbr/gltf.rb

@@ -114,7 +114,7 @@ def initialize
 
         Sketchup.status_text = nil
 
-      rescue StandardError => _exception
+      rescue StandardError => exception
 
         @valid = false
 
@@ -124,7 +124,7 @@ def initialize
 
         Sketchup.status_text = nil
 
-        puts 'glTF export failed because: ' + _exception.to_s
+        puts 'glTF export failed because: ' + exception.to_s
 
       end
 

source/pbr/load.rb

@@ -24,6 +24,7 @@
 require 'sketchup'
 require 'pbr/app_observer'
 require 'pbr/model_observer'
+require 'pbr/sun_observer'
 require 'pbr/menu'
 require 'pbr/toolbar'
 require 'pbr/viewport'
@@ -35,6 +36,7 @@ module PBR
 
   Sketchup.add_observer(AppObserver.new)
   Sketchup.active_model.add_observer(ModelObserver.new)
+  Sketchup.active_model.shadow_info.add_observer(SunObserver.new)
 
   # Material Editor is not open yet.
   SESSION[:material_editor_open?] = false

source/pbr/material_editor.rb

@@ -162,7 +162,7 @@ def show
 
         @dialog.close
 
-        Viewport.update_model
+        Viewport.update
 
       end
 

source/pbr/menu.rb

@@ -128,7 +128,7 @@ def initialize(parent_menu)
 
         return PBR.open_required_plugin_page unless PBR.required_plugin_exist?
 
-        Viewport.update_model_and_reopen
+        Viewport.update_and_reopen
 
       end
 

source/pbr/model_observer.rb

@@ -46,7 +46,7 @@ def onTransactionCommit(_model)
 
         SESSION[:last_viewport_update] = Time.now.to_i
 
-        Viewport.update_model
+        Viewport.update
 
       end
 

source/pbr/sun_observer.rb

@@ -0,0 +1,54 @@
+# Physically-Based Rendering extension for SketchUp 2017 or newer.
+# Copyright: © 2019 Samuel Tallet <samuel.tallet arobase gmail.com>
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3.0 of the License, or
+# (at your option) any later version.
+# 
+# If you release a modified version of this program TO THE PUBLIC,
+# the GPL requires you to MAKE THE MODIFIED SOURCE CODE AVAILABLE
+# to the program's users, UNDER THE GPL.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+# 
+# Get a copy of the GPL here: https://www.gnu.org/licenses/gpl.html
+
+raise 'The PBR plugin requires at least Ruby 2.2.0 or SketchUp 2017.'\
+  unless RUBY_VERSION.to_f >= 2.2 # SketchUp 2017 includes Ruby 2.2.4.
+
+require 'sketchup'
+require 'pbr/viewport'
+
+# PBR plugin namespace.
+module PBR
+
+  # Observes SketchUp sun events and reacts.
+  class SunObserver < Sketchup::ShadowInfoObserver
+
+    # rubocop: disable Naming/MethodName
+
+    # When user changes shadow settings:
+    def onShadowInfoChanged(_shadow_info, type)
+
+      # Escape if it's not about "Time/Date sliders".
+      return unless type.zero?
+
+      if SESSION[:track_all_changes?]
+
+        Viewport.update_sun_direction
+
+        Viewport.update_data_version
+
+      end
+
+    end
+
+    # rubocop: enable Naming/MethodName
+
+  end
+
+end

source/pbr/toolbar.rb

@@ -105,7 +105,7 @@ def initialize
 
         return PBR.open_required_plugin_page unless PBR.required_plugin_exist?
 
-        Viewport.update_model_and_reopen
+        Viewport.update_and_reopen
 
       end