android/native/build.gradle


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apply plugin: 'com.android.library'
apply plugin: 'de.undercouch.download'

android {
	compileSdkVersion 30
	buildToolsVersion '30.0.3'
	ndkVersion "$ndk_version"
	defaultConfig {
		minSdkVersion 16
		targetSdkVersion 30
		externalNativeBuild {
			ndkBuild {
				arguments '-j' + Runtime.getRuntime().availableProcessors(),
						"versionMajor=${versionMajor}",
						"versionMinor=${versionMinor}",
						"versionPatch=${versionPatch}",
						"versionExtra=${versionExtra}"
			}
		}
	}

	externalNativeBuild {
		ndkBuild {
			path file('jni/Android.mk')
		}
	}

	// supported architectures
	splits {
		abi {
			enable true
			reset()
			include 'armeabi-v7a', 'arm64-v8a'//, 'x86'
		}
	}

	buildTypes {
		release {
			externalNativeBuild {
				ndkBuild {
					arguments 'NDEBUG=1'
				}
			}

			ndk {
				debugSymbolLevel 'SYMBOL_TABLE'
			}
		}
	}
}

// get precompiled deps
task downloadDeps(type: Download) {
	src 'https://github.com/minetest/minetest_android_deps/releases/download/latest/deps.zip'
	dest new File(buildDir, 'deps.zip')
	overwrite false
}

task getDeps(dependsOn: downloadDeps, type: Copy) {
	def deps = new File(buildDir.parent, 'deps')
	if (!deps.exists()) {
		deps.mkdir()
		from zipTree(downloadDeps.dest)
		into deps
	}
}

preBuild.dependsOn getDeps
/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2013 Kahrl <kahrl@gmx.net>

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.
*/

#ifndef ITEMDEF_HEADER
#define ITEMDEF_HEADER

#include "irrlichttypes_extrabloated.h"
#include <string>
#include <iostream>
#include <set>
#include "itemgroup.h"
#include "sound.h"
class IGameDef;
struct ToolCapabilities;

/*
	Base item definition
*/

enum ItemType
{
	ITEM_NONE,
	ITEM_NODE,
	ITEM_CRAFT,
	ITEM_TOOL,
};

struct ItemDefinition
{
	/*
		Basic item properties
	*/
	ItemType type;
	std::string name; // "" = hand
	std::string description; // Shown in tooltip.

	/*
		Visual properties
	*/
	std::string inventory_image; // Optional for nodes, mandatory for tools/craftitems
	std::string wield_image; // If empty, inventory_image or mesh (only nodes) is used
	v3f wield_scale;

	/*
		Item stack and interaction properties
	*/
	s16 stack_max;
	bool usable;
	bool liquids_pointable;
	// May be NULL. If non-NULL, deleted by destructor
	ToolCapabilities *tool_capabilities;
	ItemGroupList groups;
	SimpleSoundSpec sound_place;
	f32 range;

	// Client shall immediately place this node when player places the item.
	// Server will update the precise end result a moment later.
	// "" = no prediction
	std::string node_placement_prediction;

	/*
		Some helpful methods
	*/
	ItemDefinition();
	ItemDefinition(const ItemDefinition &def);
	ItemDefinition& operator=(const ItemDefinition &def);
	~ItemDefinition();
	void reset();
	void serialize(std::ostream &os, u16 protocol_version) const;
	void deSerialize(std::istream &is);
private:
	void resetInitial();
};

class IItemDefManager
{
public:
	IItemDefManager(){}
	virtual ~IItemDefManager(){}

	// Get item definition
	virtual const ItemDefinition& get(const std::string &name) const=0;
	// Get alias definition
	virtual std::string getAlias(const std::string &name) const=0;
	// Get set of all defined item names and aliases
	virtual std::set<std::string> getAll() const=0;
	// Check if item is known
	virtual bool isKnown(const std::string &name) const=0;
#ifndef SERVER
	// Get item inventory texture
	virtual video::ITexture* getInventoryTexture(const std::string &name,
			IGameDef *gamedef) const=0;
	// Get item wield mesh
	virtual scene::IMesh* getWieldMesh(const std::string &name,