Accessing Nodes and Files via Properties

#include "AppWorldLogic.h"
#include <UnigineMaterials.h>
#include <UnigineSounds.h>
#include <UnigineGame.h>
#include <UnigineEditor.h>
#include <UnigineFileSystem.h>

// World logic, it takes effect only when the world is loaded.
// These methods are called right after corresponding world script's (UnigineScript) methods.


using namespace Unigine;

NodePtr my_node;               // node to which a property with links is assigned
PropertyPtr property;          // property with all necessary links
MaterialPtr material;          // linked material
NodePtr param_node;            // linked node 
SoundSourcePtr sound;		   // sound source to be played 
AppWorldLogic::AppWorldLogic() {
	
}

AppWorldLogic::~AppWorldLogic() {
	
}

int AppWorldLogic::init() {
	// Write here code to be called on world initialization: initialize resources for your world scene during the world start.
	// getting the node to which a property with links to assets is assigned 
	my_node = Editor::get()->getNodeByName("my_object");

	// getting the property, that will be used to acces all necessary files
	property = my_node->getProperty();

	// getting a material from the corresponding property parameter
	material = property->getParameterMaterial(property->findParameter("some_material"));

	// getting the path to the mesh file from the corresponding property parameter
	const char *mesh_file_name = property->getParameterFile(property->findParameter("some_mesh"));

	//  creating and modifying a mesh by adding a box surface to it
	MeshPtr mesh = Mesh::create(mesh_file_name);
	mesh->addBoxSurface("box", Math::vec3(0.3f, 0.3f, 2.0f));

	// saving the modified mesh back to the file
	mesh->save(mesh_file_name);

	// getting the path to the sound file from the corresponding property parameter
	const char *sound_file_name = property->getParameterFile(property->findParameter("some_file"));

	// getting a node from the corresponding property parameter
	param_node = property->getParameterNode(property->findParameter("some_node"));

	// creating and playing a sound from the file
	sound = SoundSource::create(sound_file_name);
	sound->setMaxDistance(100.0f);
	sound->setLoop(1);
	sound->play();

	// reporting results to the console
	Log::message("Path to mesh file: %s\nPath to sound file: %s\nNode ID: %d\n", mesh_file_name, sound_file_name, param_node->getID());
	return 1;
}

// start of the main loop
int AppWorldLogic::update() {
	// Write here code to be called before updating each render frame: specify all graphics-related functions you want to be called every frame while your application executes.

	float ifps = Game::get()->getIFps();

	// changing the material
	material->setParameter("albedo_color", Math::vec4(Game::get()->getRandomFloat(0.0f, 1.0f), Game::get()->getRandomFloat(0.0f, 1.0f), Game::get()->getRandomFloat(0.0f, 1.0f), 1.0f));

	// rotate linked node
	param_node->setRotation(param_node->getRotation() * Math::quat(0, 0, 30.0f * ifps));

	return 1;
}

int AppWorldLogic::render() {
	// The engine calls this function before rendering each render frame: correct behavior after the state of the node has been updated.
	
	return 1;
}

int AppWorldLogic::flush() {
	// Write here code to be called before updating each physics frame: control physics in your application and put non-rendering calculations.
	// The engine calls flush() with the fixed rate (60 times per second by default) regardless of the FPS value.
	// WARNING: do not create, delete or change transformations of nodes here, because rendering is already in progress.
	
	return 1;
}
// end of the main loop

int AppWorldLogic::shutdown() {
	// Write here code to be called on world shutdown: delete resources that were created during world script execution to avoid memory leaks.
	// saving current material color (check it in the UnigineEditor to see that it was modified)
	material->save();
	return 1;
}

int AppWorldLogic::destroy() {
	// Write here code to be called when the video mode is changed or the application is restarted (i.e. video_restart is called). It is used to reinitialize the graphics context.
	
	return 1;
}

int AppWorldLogic::save(const Unigine::StreamPtr &stream) {
	// Write here code to be called when the world is saving its state (i.e. state_save is called): save custom user data to a file.
	
	UNIGINE_UNUSED(stream);
	return 1;
}

int AppWorldLogic::restore(const Unigine::StreamPtr &stream) {
	// Write here code to be called when the world is restoring its state (i.e. state_restore is called): restore custom user data to a file here.
	
	UNIGINE_UNUSED(stream);
	return 1;
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Unigine;

namespace UnigineApp
{
	class AppWorldLogic : WorldLogic
	{
		// World logic, it takes effect only when the world is loaded.
		// These methods are called right after corresponding world script's (UnigineScript) methods.

		Node my_node;			// node to which a property with links is assigned
		Property property;		// property with all necessary links
		Material material;		// linked material
		Node param_node;		// linked node
		SoundSource sound;		// sound source to be played 

		public AppWorldLogic()
		{
		}

		public override int init()
		{
			// Write here code to be called on world initialization: initialize resources for your world scene during the world start.

			// getting the node to which a property with links to assets is assigned 
			my_node = Editor.get().getNodeByName("my_object");

			// getting the property, that will be used to acces all necessary files
			property = my_node.getProperty();

			// getting a material from the corresponding property parameter
			material = property.getParameterMaterial(property.findParameter("some_material"));

			// modifying the material
			material.setParameter("albedo_color", new vec4(Game.get().getRandomFloat(0.0f, 1.0f), Game.get().getRandomFloat(0.0f, 1.0f), Game.get().getRandomFloat(0.0f, 1.0f), 1.0f));

			//saving modified material
			material.save();

			// getting the path to the mesh file from the corresponding property parameter
			String mesh_file_name = property.getParameterFile(property.findParameter("some_mesh"));

			//  creating and modifying a mesh by adding a box surface to it
			Mesh mesh = new Mesh(mesh_file_name);
			mesh.addBoxSurface("box", new vec3(0.3f, 0.3f,2.0f));

			// saving the modified mesh back to the file
			mesh.save(mesh_file_name);

			// getting the path to the sound file from the corresponding property parameter
			String sound_file_name = property.getParameterFile(property.findParameter("some_file"));

			// getting a node from the corresponding property parameter
			param_node = property.getParameterNode(property.findParameter("some_node"));

			// creating and playing a sound from the file
			sound = new SoundSource(sound_file_name);
			sound.setMaxDistance(100.0f);
			sound.setLoop(1);
			sound.play();

			// reporting results to the console
			Log.message("Path to mesh file: {0}\nPath to sound file: {1}\nNode ID: {2}\n", mesh_file_name, sound_file_name, param_node.getID());

			return 1;
		}

		// start of the main loop
		public override int update()
		{
			// Write here code to be called before updating each render frame: specify all graphics-related functions you want to be called every frame while your application executes.
			float ifps = Game.get().getIFps();

			// changing the material
			 material.setParameter("albedo_color", new vec4(Game.get().getRandomFloat(0.0f, 1.0f), Game.get().getRandomFloat(0.0f, 1.0f), Game.get().getRandomFloat(0.0f, 1.0f), 1.0f));
	        
			// rotate linked node
			param_node.setRotation(param_node.getRotation() * new quat(0, 0, 30.0f * ifps));

			return 1;
		}

		public override int render()
		{
			// The engine calls this function before rendering each render frame: correct behavior after the state of the node has been updated.

			return 1;
		}

		public override int flush()
		{
			// Write here code to be called before updating each physics frame: control physics in your application and put non-rendering calculations.
			// The engine calls flush() with the fixed rate (60 times per second by default) regardless of the FPS value.
			// WARNING: do not create, delete or change transformations of nodes here, because rendering is already in progress.

			return 1;
		}
		// end of the main loop

		public override int shutdown()
		{
			// Write here code to be called on world shutdown: delete resources that were created during world script execution to avoid memory leaks.

			// saving current material color (check it in the UnigineEditor to see that it was modified)
			material.save();

			return 1;
		}

		public override int destroy()
		{
			// Write here code to be called when the video mode is changed or the application is restarted (i.e. video_restart is called). It is used to reinitialize the graphics context.

			return 1;
		}

		public override int save(Stream stream)
		{
			// Write here code to be called when the world is saving its state (i.e. state_save is called): save custom user data to a file.

			return 1;
		}

		public override int restore(Stream stream)
		{
			// Write here code to be called when the world is restoring its state (i.e. state_restore is called): restore custom user data to a file here.

			return 1;
		}
	}
}

#include <core/unigine.h>
// This file is in UnigineScript language.
// World script, it takes effect only when the world is loaded.
	Node my_node;			// node to which a property with links is assigned
	Property property;		// property with all necessary links
	Material material;		// linked material
	Node param_node;		// linked node
	SoundSource sound;		// sound source to be played 
		
int init() {
	// Write here code to be called on world initialization: initialize resources for your world scene during the world start.

	Player player = new PlayerSpectator();
	player.setPosition(Vec3(0.0f,-3.401f,1.5f));
	player.setDirection(Vec3(0.0f,1.0f,-0.4f));
	engine.game.setPlayer(player);

	// getting the node to which a property with links to assets is assigned 
	my_node = engine.editor.getNodeByName("my_object");

	// getting the property, that will be used to acces all necessary files
	property = my_node.getProperty();

	// getting a material from the corresponding property parameter
	material = property.getParameterMaterial(property.findParameter("some_material"));

	// modifying the material
	material.setParameter("albedo_color", vec4(engine.game.getRandomFloat(0.0f, 1.0f), engine.game.getRandomFloat(0.0f, 1.0f), engine.game.getRandomFloat(0.0f, 1.0f), 1.0f));

	//saving modified material
	material.save();


	// getting the path to the mesh file from the corresponding property parameter
	string mesh_file_name = property.getParameterFile(property.findParameter("some_mesh"));

	//  creating and modifying a mesh by adding a box surface to it
	Mesh mesh = new Mesh(mesh_file_name);
	mesh.addBoxSurface("box", vec3(0.3f, 0.3f,2.0f));

	// saving the modified mesh back to the file
	mesh.save(mesh_file_name);

	// getting the path to the sound file from the corresponding property parameter
	string sound_file_name = property.getParameterFile(property.findParameter("some_file"));

	// getting a linked node from the corresponding property parameter
	param_node = property.getParameterNode(property.findParameter("some_node"));

	// creating and playing a sound from the file
	sound = new SoundSource(sound_file_name);
	sound.setMaxDistance(100.0f);
	sound.setLoop(1);
	sound.play();

	// reporting results to the console
	log.message("Path to mesh file: %s\nPath to sound file: %s\nNode ID: %d\n", mesh_file_name, sound_file_name, param_node.getID());
	return 1;
}

// start of the main loop
int update() {
	// Write here code to be called before updating each render frame: specify all graphics-related functions you want to be called every frame while your application executes.

	float ifps = engine.game.getIFps();

	// changing the material
	material.setParameter("albedo_color", vec4(engine.game.getRandomFloat(0.0f, 1.0f), engine.game.getRandomFloat(0.0f, 1.0f), engine.game.getRandomFloat(0.0f, 1.0f), 1.0f));

	// rotate linked node
	param_node.setRotation(param_node.getRotation() * quat(0, 0, 30.0f * ifps));

	return 1;
}

int render() {
	// The engine calls this function before rendering each render frame: correct behavior after the state of the node has been updated.
	
	return 1;
}

int flush() {
	// Write here code to be called before updating each physics frame: control physics in your application and put non-rendering calculations.
	// The engine calls flush() with the fixed rate (60 times per second by default) regardless of the FPS value.
	// WARNING: do not create, delete or change transformations of nodes here, because rendering is already in progress.
	
	return 1;
}
// end of the main loop

int shutdown() {
	// Write here code to be called on world shutdown: delete resources that were created during world script execution to avoid memory leaks.

	// saving current material color (check it in the UnigineEditor to see that it was modified)
	material.save();
	
	return 1;
}