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authorANAND <ClobberXD@gmail.com>2020-05-17 01:12:31 +0530
committerGitHub <noreply@github.com>2020-05-16 21:42:31 +0200
commitc1ce4be756e2554051a27f244303377c0a7d69a6 (patch)
treee55eb5c2a2cc85122de0d1a1a5571d39cb550b61 /src/script/lua_api/l_noise.h
parentab745685c79cd7b0fa8f74b96e190c528d620608 (diff)
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Make automatic_rotate relative, allow setting rotation (#8468)
automatic_rotate does not make sense if it is absolute. Make it relative. To avoid bouncing, set_rotation did not update the client when automatic_rotate was set. That's no longer necessary because the new spinning method applies the rotation on top of the current one, and the updates are necessary for set_rotation to actually transform the object. Co-authored-by: ANAND <ClobberXD@gmail.com> Co-authored-by: Pedro Gimeno <pgimeno@users.noreply.notabug.org>
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/*
Minetest
Copyright (C) 2010-2013 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.
*/

#pragma once

#include "itemdef.h"
#include "irrlichttypes.h"
#include "itemstackmetadata.h"
#include <istream>
#include <ostream>
#include <string>
#include <vector>
#include <cassert>

struct ToolCapabilities;

struct ItemStack
{
	ItemStack() = default;

	ItemStack(const std::string &name_, u16 count_,
			u16 wear, IItemDefManager *itemdef);

	~ItemStack() = default;

	// Serialization
	void serialize(std::ostream &os, bool serialize_meta = true) const;
	// Deserialization. Pass itemdef unless you don't want aliases resolved.
	void deSerialize(std::istream &is, IItemDefManager *itemdef = NULL);
	void deSerialize(const std::string &s, IItemDefManager *itemdef = NULL);

	// Returns the string used for inventory
	std::string getItemString(bool include_meta = true) const;
	// Returns the tooltip
	std::string getDescription(IItemDefManager *itemdef) const;
	std::string getShortDescription(IItemDefManager *itemdef) const;

	/*
		Quantity methods
	*/

	bool empty() const
	{
		return count == 0;
	}

	void clear()
	{
		name = "";
		count = 0;
		wear = 0;
		metadata.clear();
	}

	void add(u16 n)
	{
		count += n;
	}

	void remove(u16 n)
	{
		assert(count >= n); // Pre-condition
		count -= n;
		if(count == 0)
			clear(); // reset name, wear and metadata too
	}

	// Maximum size of a stack
	u16 getStackMax(IItemDefManager *itemdef) const
	{
		return itemdef->get(name).stack_max;
	}

	// Number of items that can be added to this stack
	u16 freeSpace(IItemDefManager *itemdef) const
	{
		u16 max = getStackMax(itemdef);
		if (count >= max)
			return 0;
		return max - count;
	}

	// Returns false if item is not known and cannot be used
	bool isKnown(IItemDefManager *itemdef) const
	{
		return itemdef->isKnown(name);
	}

	// Returns a pointer to the item definition struct,
	// or a fallback one (name="unknown") if the item is unknown.
	const ItemDefinition& getDefinition(
			IItemDefManager *itemdef) const
	{
		return itemdef->get(name);
	}

	// Get tool digging properties, or those of the hand if not a tool
	const ToolCapabilities& getToolCapabilities(
			IItemDefManager *itemdef) const
	{
		const ToolCapabilities *item_cap =
			itemdef->get(name).tool_capabilities;

		if (item_cap == NULL)
			// Fall back to the hand's tool capabilities
			item_cap = itemdef->get("").tool_capabilities;

		assert(item_cap != NULL);
		return metadata.getToolCapabilities(*item_cap); // Check for override
	}

	// Wear out (only tools)
	// Returns true if the item is (was) a tool
	bool addWear(s32 amount, IItemDefManager *itemdef)
	{
		if(getDefinition(itemdef).type == ITEM_TOOL)
		{
			if(amount > 65535 - wear)
				clear();
			else if(amount < -wear)
				wear = 0;
			else
				wear += amount;
			return true;
		}

		return false;
	}

	// If possible, adds newitem to this item.
	// If cannot be added at all, returns the item back.
	// If can be added partly, decremented item is returned back.
	// If can be added fully, empty item is returned.
	ItemStack addItem(ItemStack newitem, IItemDefManager *itemdef);

	// Checks whether newitem could be added.
	// If restitem is non-NULL, it receives the part of newitem that