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authorBlockhead <jbis1337@hotmail.com>2020-07-06 16:57:48 +1000
committerorwell96 <orwell@bleipb.de>2020-07-06 17:32:22 +0200
commit96236c04dc790cbcd4d8cb52aee5563f54e736aa (patch)
treeb73d0443f2d87c4b41171cd40f239605bdb93d58 /advtrains/textures/advtrains_driver_cab.png
parent2a0c55099e61f885636b2a9735c7c8b6c2a0b45a (diff)
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Add perpendicular and 45/90 degree crossing rails
Add a set of new models for crossings to make some new track arrangements possible. This commit adds perpendicular crossigns that can be rotated at any angle: 30/45/60/90 and 45/90 degree crossings in two rotations. In future, further crossing types can be added to the blender file. Add the blender file in rail_crossings.blend that is the source of these files and which refers to the texture inside advtrains_train_track. Add a set of prototypes for rail crossings to advtrains/tracks.lua and register the new crossings in advtrains_train_track.
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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-24 02:45:02 +0000
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/*
Minetest
Copyright (C) 2010-2020 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2015-2020 paramat
Copyright (C) 2013-2016 kwolekr, Ryan Kwolek <kwolekr@minetest.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.
*/

#pragma once

#include "noise.h"
#include "nodedef.h"
#include "util/string.h"
#include "util/container.h"

#define MAPGEN_DEFAULT MAPGEN_V7
#define MAPGEN_DEFAULT_NAME "v7"

/////////////////// Mapgen flags
#define MG_CAVES       0x02
#define MG_DUNGEONS    0x04
#define MG_LIGHT       0x10
#define MG_DECORATIONS 0x20
#define MG_BIOMES      0x40
#define MG_ORES        0x80

typedef u16 biome_t;  // copy from mg_biome.h to avoid an unnecessary include

class Settings;
class MMVManip;
class NodeDefManager;

extern FlagDesc flagdesc_mapgen[];
extern FlagDesc flagdesc_gennotify[];

class Biome;
class BiomeGen;
struct BiomeParams;
class BiomeManager;
class EmergeParams;
class EmergeManager;
class MapBlock;
class VoxelManipulator;
struct BlockMakeData;
class VoxelArea;
class Map;

enum MapgenObject {
	MGOBJ_VMANIP,
	MGOBJ_HEIGHTMAP,
	MGOBJ_BIOMEMAP,
	MGOBJ_HEATMAP,
	MGOBJ_HUMIDMAP,
	MGOBJ_GENNOTIFY
};

enum GenNotifyType {
	GENNOTIFY_DUNGEON,
	GENNOTIFY_TEMPLE,
	GENNOTIFY_CAVE_BEGIN,
	GENNOTIFY_CAVE_END,
	GENNOTIFY_LARGECAVE_BEGIN,
	GENNOTIFY_LARGECAVE_END,
	GENNOTIFY_DECORATION,
	NUM_GENNOTIFY_TYPES
};

struct GenNotifyEvent {
	GenNotifyType type;
	v3s16 pos;
	u32 id;
};

class GenerateNotifier {
public:
	// Use only for temporary Mapgen objects with no map generation!
	GenerateNotifier() = default;
	GenerateNotifier(u32 notify_on, const std::set<u32> *notify_on_deco_ids);

	bool addEvent(GenNotifyType type, v3s16 pos, u32 id=0);
	void getEvents(std::map<std::string, std::vector<v3s16> > &event_map);
	void clearEvents();

private:
	u32 m_notify_on = 0;
	const std::set<u32> *m_notify_on_deco_ids = nullptr;
	std::list<GenNotifyEvent> m_notify_events;
};

// Order must match the order of 'static MapgenDesc g_reg_mapgens[]' in mapgen.cpp
enum MapgenType {
	MAPGEN_V7,
	MAPGEN_VALLEYS,
	MAPGEN_CARPATHIAN,
	MAPGEN_V5,
	MAPGEN_FLAT,
	MAPGEN_FRACTAL,
	MAPGEN_SINGLENODE,
	MAPGEN_V6,
	MAPGEN_INVALID,
};

struct MapgenParams {
	MapgenParams() = default;
	virtual ~MapgenParams();

	MapgenType mgtype = MAPGEN_DEFAULT;
	s16 chunksize = 5;
	u64 seed = 0;
	s16 water_level = 1;
	s16 mapgen_limit = MAX_MAP_GENERATION_LIMIT;
	// Flags set in readParams
	u32 flags = 0;
	u32 spflags = 0;

	BiomeParams *bparams = nullptr;

	s16 mapgen_edge_min = -MAX_MAP_GENERATION_LIMIT;
	s16 mapgen_edge_max = MAX_MAP_GENERATION_LIMIT;

	virtual void readParams(const Settings *settings);
	virtual void writeParams(Settings *settings) const;
	// Default settings for g_settings such as flags
	virtual void setDefaultSettings(Settings *settings) {};

	s32 getSpawnRangeMax();

private:
	void calcMapgenEdges();
	bool m_mapgen_edges_calculated = false;
};


/*
	Generic interface for map generators.  All mapgens must inherit this class.
	If a feature exposed by a public member pointer is not supported by a
	certain mapgen, it must be set to NULL.

	Apart from makeChunk, getGroundLevelAtPoint, and getSpawnLevelAtPoint, all
	methods can be used by constructing a Mapgen base class and setting the
	appropriate public members (e.g. vm, ndef, and so on).
*/
class Mapgen {
public:
	s32 seed = 0;
	int water_level = 0;
	int mapgen_limit = 0;
	u32 flags = 0;
	bool generating = false;
	int id = -1;

	MMVManip *vm = nullptr;
	const NodeDefManager *ndef = nullptr;

	u32 blockseed;
	s16 *heightmap = nullptr;
	biome_t *biomemap = nullptr;
	v3s16 csize;

	BiomeGen *biomegen = nullptr;
	GenerateNotifier gennotify;