minetest/src/object_properties.cpp

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "object_properties.h"
#include "irrlichttypes_bloated.h"
#include "exceptions.h"
#include "util/serialize.h"
#include <sstream>

#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
#define PP2(x) "("<<(x).X<<","<<(x).Y<<")"

ObjectProperties::ObjectProperties():
	hp_max(1),
	physical(false),
	collideWithObjects(true),
	weight(5),
	collisionbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
	visual("sprite"),
	mesh(""),
	visual_size(1,1),
	spritediv(1,1),
	initial_sprite_basepos(0,0),
	is_visible(true),
	makes_footstep_sound(false),
	automatic_rotate(0),
	stepheight(0),
	automatic_face_movement_dir(false),
	automatic_face_movement_dir_offset(0.0),
	backface_culling(true)
{
	textures.push_back("unknown_object.png");
	colors.push_back(video::SColor(255,255,255,255));
}

std::string ObjectProperties::dump()
{
	std::ostringstream os(std::ios::binary);
	os<<"hp_max="<<hp_max;
	os<<", physical="<<physical;
	os<<", collideWithObjects="<<collideWithObjects;
	os<<", weight="<<weight;
	os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
	os<<", visual="<<visual;
	os<<", mesh="<<mesh;
	os<<", visual_size="<<PP2(visual_size);
	os<<", textures=[";
	for(u32 i=0; i<textures.size(); i++){
		os<<"\""<<textures[i]<<"\" ";
	}
	os<<"]";
	os<<", colors=[";
	for(u32 i=0; i<colors.size(); i++){
		os<<"\""<<colors[i].getAlpha()<<","<<colors[i].getRed()<<","<<colors[i].getGreen()<<","<<colors[i].getBlue()<<"\" ";
	}
	os<<"]";
	os<<", spritediv="<<PP2(spritediv);
	os<<", initial_sprite_basepos="<<PP2(initial_sprite_basepos);
	os<<", is_visible="<<is_visible;
	os<<", makes_footstep_sound="<<makes_footstep_sound;
	os<<", automatic_rotate="<<automatic_rotate;
	os<<", backface_culling="<<backface_culling;
	return os.str();
}

void ObjectProperties::serialize(std::ostream &os) const
{
	writeU8(os, 1); // version
	writeS16(os, hp_max);
	writeU8(os, physical);
	writeF1000(os, weight);
	writeV3F1000(os, collisionbox.MinEdge);
	writeV3F1000(os, collisionbox.MaxEdge);
	os<<serializeString(visual);
	writeV2F1000(os, visual_size);
	writeU16(os, textures.size());
	for(u32 i=0; i<textures.size(); i++){
		os<<serializeString(textures[i]);
	}
	writeV2S16(os, spritediv);
	writeV2S16(os, initial_sprite_basepos);
	writeU8(os, is_visible);
	writeU8(os, makes_footstep_sound);
	writeF1000(os, automatic_rotate);
	// Added in protocol version 14
	os<<serializeString(mesh);
	writeU16(os, colors.size());
	for(u32 i=0; i<colors.size(); i++){
		writeARGB8(os, colors[i]);
	}
	writeU8(os, collideWithObjects);
	writeF1000(os,stepheight);
	writeU8(os, automatic_face_movement_dir);
	writeF1000(os, automatic_face_movement_dir_offset);
	writeU8(os, backface_culling);
	// Add stuff only at the bottom.
	// Never remove anything, because we don't want new versions of this
}

void ObjectProperties::deSerialize(std::istream &is)
{
	int version = readU8(is);
	if(version == 1)
	{
		try{
			hp_max = readS16(is);
			physical = readU8(is);
			weight = readF1000(is);
			collisionbox.MinEdge = readV3F1000(is);
			collisionbox.MaxEdge = readV3F1000(is);
			visual = deSerializeString(is);
			visual_size = readV2F1000(is);
			textures.clear();
			u32 texture_count = readU16(is);
			for(u32 i=0; i<texture_count; i++){
				textures.push_back(deSerializeString(is));
			}
			spritediv = readV2S16(is);
			initial_sprite_basepos = readV2S16(is);
			is_visible = readU8(is);
			makes_footstep_sound = readU8(is);
			automatic_rotate = readF1000(is);
			mesh = deSerializeString(is);
			u32 color_count = readU16(is);
			for(u32 i=0; i<color_count; i++){
				colors.push_back(readARGB8(is));
			}
			collideWithObjects = readU8(is);
			stepheight = readF1000(is);
			automatic_face_movement_dir = readU8(is);
			automatic_face_movement_dir_offset = readF1000(is);
			backface_culling = readU8(is);
		}catch(SerializationError &e){}
	}
	else
	{
		throw SerializationError("unsupported ObjectProperties version");
	}
}