/*
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 "genericobject.h"
#include <sstream>
#include "util/serialize.h"

std::string gob_cmd_set_properties(const ObjectProperties &prop)
{
	std::ostringstream os(std::ios::binary);
	writeU8(os, GENERIC_CMD_SET_PROPERTIES);
	prop.serialize(os);
	return os.str();
}

ObjectProperties gob_read_set_properties(std::istream &is)
{
	ObjectProperties prop;
	prop.deSerialize(is);
	return prop;
}

std::string gob_cmd_update_position(
	v3f position,
	v3f velocity,
	v3f acceleration,
	v3f rotation,
	bool do_interpolate,
	bool is_movement_end,
	f32 update_interval
){
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_UPDATE_POSITION);
	// pos
	writeV3F32(os, position);
	// velocity
	writeV3F32(os, velocity);
	// acceleration
	writeV3F32(os, acceleration);
	// rotation
	writeV3F32(os, rotation);
	// do_interpolate
	writeU8(os, do_interpolate);
	// is_end_position (for interpolation)
	writeU8(os, is_movement_end);
	// update_interval (for interpolation)
	writeF32(os, update_interval);
	return os.str();
}

std::string gob_cmd_set_texture_mod(const std::string &mod)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SET_TEXTURE_MOD);
	// parameters
	os<<serializeString(mod);
	return os.str();
}

std::string gob_cmd_set_sprite(
	v2s16 p,
	u16 num_frames,
	f32 framelength,
	bool select_horiz_by_yawpitch
){
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SET_SPRITE);
	// parameters
	writeV2S16(os, p);
	writeU16(os, num_frames);
	writeF32(os, framelength);
	writeU8(os, select_horiz_by_yawpitch);
	return os.str();
}

std::string gob_cmd_punched(u16 result_hp)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_PUNCHED);
	// result_hp
	writeU16(os, result_hp);
	return os.str();
}

std::string gob_cmd_update_armor_groups(const ItemGroupList &armor_groups)
{
	std::ostringstream os(std::ios::binary);
	writeU8(os, GENERIC_CMD_UPDATE_ARMOR_GROUPS);
	writeU16(os, armor_groups.size());
	for (const auto &armor_group : armor_groups) {
		os<<serializeString(armor_group.first);
		writeS16(os, armor_group.second);
	}
	return os.str();
}

std::string gob_cmd_update_physics_override(float physics_override_speed, float physics_override_jump,
		float physics_override_gravity, bool sneak, bool sneak_glitch, bool new_move)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SET_PHYSICS_OVERRIDE);
	// parameters
	writeF32(os, physics_override_speed);
	writeF32(os, physics_override_jump);
	writeF32(os, physics_override_gravity);
	// these are sent inverted so we get true when the server sends nothing
	writeU8(os, !sneak);
	writeU8(os, !sneak_glitch);
	writeU8(os, !new_move);
	return os.str();
}

std::string gob_cmd_update_animation(v2f frames, float frame_speed, float frame_blend, bool frame_loop)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SET_ANIMATION);
	// parameters
	writeV2F32(os, frames);
	writeF32(os, frame_speed);
	writeF32(os, frame_blend);
	// these are sent inverted so we get true when the server sends nothing
	writeU8(os, !frame_loop);
	return os.str();
}

std::string gob_cmd_update_animation_speed(float frame_speed)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SET_ANIMATION_SPEED);
	// parameters
	writeF32(os, frame_speed);
	return os.str();
}

std::string gob_cmd_update_bone_position(const std::string &bone, v3f position,
		v3f rotation)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SET_BONE_POSITION);
	// parameters
	os<<serializeString(bone);
	writeV3F32(os, position);
	writeV3F32(os, rotation);
	return os.str();
}

std::string gob_cmd_update_attachment(int parent_id, const std::string &bone,
		v3f position, v3f rotation)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_ATTACH_TO);
	// parameters
	writeS16(os, parent_id);
	os<<serializeString(bone);
	writeV3F32(os, position);
	writeV3F32(os, rotation);
	return os.str();
}

std::string gob_cmd_update_nametag_attributes(video::SColor color)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_UPDATE_NAMETAG_ATTRIBUTES);
	// parameters
	writeU8(os, 1); // version for forward compatibility
	writeARGB8(os, color);
	return os.str();
}

std::string gob_cmd_update_infant(u16 id, u8 type,
		const std::string &client_initialization_data)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, GENERIC_CMD_SPAWN_INFANT);
	// parameters
	writeU16(os, id);
	writeU8(os, type);
	os<<serializeLongString(client_initialization_data);
	return os.str();
}