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	Advtrains mod for minetest.	orwell

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Mode	Name	Size
-rw-r--r--	.gitignore	58	logplain
d---------	advtrains	1301	logplain
d---------	advtrains_interlocking	676	logplain
d---------	advtrains_itrainmap	110	logplain
d---------	advtrains_line_automation	316	logplain
d---------	advtrains_luaautomation	528	logplain
d---------	advtrains_signals_ks	195	logplain
d---------	advtrains_train_industrial	176	logplain
d---------	advtrains_train_japan	176	logplain
d---------	advtrains_train_steam	218	logplain
d---------	advtrains_train_subway	176	logplain
d---------	advtrains_train_track	143	logplain
d---------	assets	1814	logplain
-rw-r--r--	atc_command.txt	3319	logplain
-rw-r--r--	description.txt	145	logplain
-rw-r--r--	license.txt	32367	logplain
-rw-r--r--	license_media.txt	20744	logplain
-rw-r--r--	modpack.txt	0	logplain
-rw-r--r--	privilege_guide.txt	2273	logplain
-rw-r--r--	readme.txt	1307	logplain
-rw-r--r--	screenshot.png	809738	logplain

generated by cgit v1.2.3 (git 2.39.1) at 2025-10-05 12:35:38 +0000

/*
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.
*/

#include "itemdef.h"

#include "gamedef.h"
#include "nodedef.h"
#include "tool.h"
#include "inventory.h"
#ifndef SERVER
#include "mapblock_mesh.h"
#include "mesh.h"
#include "wieldmesh.h"
#include "tile.h"
#endif
#include "log.h"
#include "main.h" // g_settings
#include "settings.h"
#include "util/serialize.h"
#include "util/container.h"
#include "util/thread.h"
#include <map>
#include <set>

#ifdef __ANDROID__
#include <GLES/gl.h>
#endif

/*
	ItemDefinition
*/
ItemDefinition::ItemDefinition()
{
	resetInitial();
}

ItemDefinition::ItemDefinition(const ItemDefinition &def)
{
	resetInitial();
	*this = def;
}

ItemDefinition& ItemDefinition::operator=(const ItemDefinition &def)
{
	if(this == &def)
		return *this;

	reset();

	type = def.type;
	name = def.name;
	description = def.description;
	inventory_image = def.inventory_image;
	wield_image = def.wield_image;
	wield_scale = def.wield_scale;
	stack_max = def.stack_max;
	usable = def.usable;
	liquids_pointable = def.liquids_pointable;
	if(def.tool_capabilities)
	{
		tool_capabilities = new ToolCapabilities(
				*def.tool_capabilities);
	}
	groups = def.groups;
	node_placement_prediction = def.node_placement_prediction;
	sound_place = def.sound_place;
	range = def.range;
	return *this;
}

ItemDefinition::~ItemDefinition()
{
	reset();
}

void ItemDefinition::resetInitial()
{
	// Initialize pointers to NULL so reset() does not delete undefined pointers
	tool_capabilities = NULL;
	reset();
}

void ItemDefinition::reset()
{
	type = ITEM_NONE;
	name = "";
	description = "";
	inventory_image = "";
	wield_image = "";
	wield_scale = v3f(1.0, 1.0, 1.0);
	stack_max = 99;
	usable = false;
	liquids_pointable = false;
	if(tool_capabilities)
	{
		delete tool_capabilities;
		tool_capabilities = NULL;
	}
	groups.clear();
	sound_place = SimpleSoundSpec();
	range = -1;

	node_placement_prediction = "";
}

void ItemDefinition::serialize(std::ostream &os, u16 protocol_version) const
{
	if(protocol_version <= 17)
		writeU8(os, 1); // version
	else if(protocol_version <= 20)
		writeU8(os, 2); // version
	else
		writeU8(os, 3); // version
	writeU8(os, type);
	os<<serializeString(name);
	os<<serializeString(description);
	os<<serializeString(inventory_image);
	os<<serializeString(wield_image);
	writeV3F1000(os, wield_scale);
	writeS16(os, stack_max);
	writeU8(os, usable);
	writeU8(os, liquids_pointable);
	std::string tool_capabilities_s = "";
	if(tool_capabilities){
		std::ostringstream tmp_os(std::ios::binary);
		tool_capabilities->serialize(tmp_os, protocol_version);
		tool_capabilities_s = tmp_os.str();
	}
	os<<serializeString(tool_capabilities_s);
	writeU16(os, groups.size());
	for(std::map<std::string, int>::const_iterator
			i = groups.begin(); i != groups.end(); i++){
		os<<serializeString(i->first);
		writeS16(os, i->second);
	}
	os<<serializeString(node_placement_prediction);
	if(protocol_version > 17){
		//serializeSimpleSoundSpec(sound_place, os);
		os<<serializeString(sound_place.name);
		writeF1000(os, sound_place.gain);
	}
	if(protocol_version > 20){
		writeF1000(os, range);
	}
}

void ItemDefinition::deSerialize(std::istream &is)
{
	// Reset everything
	reset();

	// Deserialize
	int version = readU8(is);
	if(version < 1 || version > 3)
		throw SerializationError("unsupported ItemDefinition version");
	type = (enum ItemType)readU8(is);
	name = deSerializeString(is);
	description = deSerializeString(is);
	inventory_image = deSerializeString(is);
	wield_image = deSerializeString(is);
	wield_scale = readV3F1000(is);
	stack_max = readS16(is);
	usable = readU8(is);
	liquids_pointable = readU8(is);
	std::string tool_capabilities_s = deSerializeString(is);
	if(!tool_capabilities_s.empty())
	{
		std::istringstream tmp_is(tool_capabilities_s, std::ios::binary);
		tool_capabilities = new ToolCapabilities;
		tool_capabilities->deSerialize(tmp_is);
	}
	groups.clear();
	u32 groups_size = readU16(is);
	for(u32 i=0; i<groups_size; i++){
		std::string name = deSerializeString(is);
		int value = readS16(is);
		groups[name] = value;
	}
	if(version == 1){
		// We cant be sure that node_placement_prediction is send in version 1
		try{
			node_placement_prediction = deSerializeString(is);
		}catch(SerializationError &e) {};
		// Set the old default sound
		sound_place.name = "default_place_node";
		sound_place.gain = 0.5;
	} else if(version >= 2) {
		node_placement_prediction = deSerializeString(is);
		//deserializeSimpleSoundSpec(sound_place, is);
		sound_place.name = deSerializeString(is);
		sound_place.gain = readF1000(is);
	}
	if(version == 3) {
		range = readF1000(is);
	}
	// If you add anything here, insert it primarily inside the try-catch
	// block to not need to increase the version.
	try{
	}catch(SerializationError &e) {};
}

/*
	CItemDefManager
*/

// SUGG: Support chains of aliases?

class CItemDefManager: public IWritableItemDefManager
{
#ifndef SERVER
	struct ClientCached
	{
		video::ITexture *inventory_texture;
		scene::IMesh *wield_mesh;

		ClientCached():
			inventory_texture(NULL),
			wield_mesh(NULL)
		{}
	};
#endif

public:
	CItemDefManager()
	{

#ifndef SERVER
		m_main_thread = get_current_thread_id();
#endif
		clear();
	}
	virtual ~CItemDefManager()
	{
#ifndef SERVER
		const std::list<ClientCached*> &values = m_clientcached.getValues();
		for(std::list<ClientCached*>::const_iterator
				i = values.begin(); i != values.end(); ++i)
		{
			ClientCached *cc = *i;
			if (cc->wield_mesh)
				cc->wield_mesh->drop();
			delete cc;
		}

#endif
		for (std::map<std::string, ItemDefinition*>::iterator iter =
				m_item_definitions.begin(); iter != m_item_definitions.end();
				iter ++) {
			delete iter->second;
		}
		m_item_definitions.clear();
	}
	virtual const ItemDefinition& get(const std::string &name_) const
	{
		// Convert name according to possible alias
		std::string name = getAlias(name_);
		// Get the definition
		std::map<std::string, ItemDefinition*>::const_iterator i;
		i = m_item_definitions.find(name);
		if(i == m_item_definitions.end())
			i = m_item_definitions.find("unknown");
		assert(i != m_item_definitions.end());
		return *(i->second);
	}
	virtual std::string getAlias(const std::string &name) const
	{
		std::map<std::string, std::string>::const_iterator i;
		i = m_aliases.find(name);
		if(i != m_aliases.end())
			return i->second;
		return name;
	}
	virtual std::set<std::string> getAll() const
	{
		std::set<std::string> result;
		for(std::map<std::string, ItemDefinition*>::const_iterator
				i = m_item_definitions.begin();
				i != m_item_definitions.end(); i++)
		{
			result.insert(i->first);
		}
		for(std::map<std::string, std::string>::const_iterator
				i = m_aliases.begin();
				i != m_aliases.end(); i++)
		{
			result.insert(i->first);
		}
		return result;
	}
	virtual bool isKnown(const std::string &name_) const
	{
		// Convert name according to possible alias
		std::string name = getAlias(name_);
		// Get the definition
		std::map<std::string, ItemDefinition*>::const_iterator i;
		return m_item_definitions.find(name) != m_item_definitions.end();
	}
#ifndef SERVER
public:
	ClientCached* createClientCachedDirect(const std::string &name,
			IGameDef *gamedef) const
	{
		infostream<<"Lazily creating item texture and mesh for \""
				<<name<<"\""<<std::endl;

		// This is not thread-safe
		assert(get_current_thread_id() == m_main_thread);

		// Skip if already in cache
		ClientCached *cc = NULL;
		m_clientcached.get(name, &cc);
		if(cc)
			return cc;

		ITextureSource *tsrc = gamedef->getTextureSource();
		INodeDefManager *nodedef = gamedef->getNodeDefManager();
		const ItemDefinition &def = get(name);

		// Create new ClientCached
		cc = new ClientCached();

		// Create an inventory texture
		cc->inventory_texture = NULL;
		if(def.inventory_image != "")
			cc->inventory_texture = tsrc->getTexture(def.inventory_image);

		// Additional processing for nodes:
		// - Create a wield mesh if WieldMeshSceneNode can't render
		//   the node on its own.
		// - If inventory_texture isn't set yet, create one using
		//   render-to-texture.
		if (def.type == ITEM_NODE) {
			// Get node properties
			content_t id = nodedef->getId(name);
			const ContentFeatures &f = nodedef->get(id);

			bool need_rtt_mesh = cc->inventory_texture == NULL;

			// Keep this in sync with WieldMeshSceneNode::setItem()
			bool need_wield_mesh =
				!(f.mesh_ptr[0] ||
				  f.drawtype == NDT_NORMAL ||
				  f.drawtype == NDT_ALLFACES ||
				  f.drawtype == NDT_AIRLIKE);

			scene::IMesh *node_mesh = NULL;

			bool reenable_shaders = false;

			if (need_rtt_mesh || need_wield_mesh) {
				u8 param1 = 0;
				if (f.param_type == CPT_LIGHT)
					param1 = 0xee;

				/*
					Make a mesh from the node
				*/
				if (g_settings->getBool("enable_shaders")) {
					reenable_shaders = true;
					g_settings->setBool("enable_shaders", false);
				}
				MeshMakeData mesh_make_data(gamedef);
				u8 param2 = 0;
				if (f.param_type_2 == CPT2_WALLMOUNTED)
					param2 = 1;
				MapNode mesh_make_node(id, param1, param2);
				mesh_make_data.fillSingleNode(&mesh_make_node);
				MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
				node_mesh = mapblock_mesh.getMesh();
				node_mesh->grab();
				video::SColor c(255, 255, 255, 255);
				setMeshColor(node_mesh, c);

				// scale and translate the mesh so it's a
				// unit cube centered on the origin
				scaleMesh(node_mesh, v3f(1.0/BS, 1.0/BS, 1.0/BS));
				translateMesh(node_mesh, v3f(-1.0, -1.0, -1.0));
			}

			/*
				Draw node mesh into a render target texture
			*/
			if (need_rtt_mesh) {
				TextureFromMeshParams params;
				params.mesh = node_mesh;
				params.dim.set(64, 64);
				params.rtt_texture_name = "INVENTORY_"
					+ def.name + "_RTT";
				params.delete_texture_on_shutdown = true;
				params.camera_position.set(0, 1.0, -1.5);
				params.camera_position.rotateXZBy(45);
				params.camera_lookat.set(0, 0, 0);
				// Set orthogonal projection
				params.camera_projection_matrix.buildProjectionMatrixOrthoLH(
						1.65, 1.65, 0, 100);
				params.ambient_light.set(1.0, 0.2, 0.2, 0.2);
				params.light_position.set(10, 100, -50);
				params.light_color.set(1.0, 0.5, 0.5, 0.5);
				params.light_radius = 1000;

#ifdef __ANDROID__
				params.camera_position.set(0, -1.0, -1.5);
				params.camera_position.rotateXZBy(45);
				params.light_position.set(10, -100, -50);