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Commit message (Collapse)AuthorAge
* Update menu header imageJean-Patrick Guerrero2016-03-25
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* Add dependencies for Fedora systemsNathaniel Olsen2016-02-25
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* Document ENABLE_CURSES in README.txtKahrl2015-11-06
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* Rename minetest-icon.svg to minetest.svg - Fixes #1564HEXcube2015-09-03
| | | | | | -Complies with the Linux standard freedesktop icon naming specs: http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html#guidelines -Ensures compatibility with icon themes -Edit minetest.desktop, CMakeLists.txt and README.md to reflect this change
* Extend CMake variable descriptionsSmallJoker2015-07-27
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* Add AreaStore data structureest312015-07-27
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* Add LibGMPest312015-05-11
| | | | Uses system provided libgmp if found, if not it falls back to mini-gmp.
* Replaced libjpeg dependency on apt-get, it should be libjpeg-dev instead of ↵Megaf2015-05-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | libjpeg8-dev. On Debian 8... ``` Package libjpeg8-dev is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source However the following packages replace it: libjpeg62-turbo-dev ``` Using libjpeg-dev should make the OS select the most appropriate lib to be installed. These are the packages available on Debian 8. ``` libjpeg-dev - Development files for the JPEG library [dummy package] libjpeg-turbo-progs - Programs for manipulating JPEG files libjpeg-turbo-progs-dbg - Programs for manipulating JPEG files (debugging symbols) libjpeg62-turbo - libjpeg-turbo JPEG runtime library libjpeg62-turbo-dbg - Debugging symbols for the libjpeg-turbo JPEG library libjpeg62-turbo-dev - Development files for the libjpeg-turbo JPEG library libturbojpeg1 - TurboJPEG runtime library - SIMD optimized libturbojpeg1-dbg - TurboJPEG runtime library - SIMD optimized (debugging symbols) libturbojpeg1-dev - Development files for the TurboJPEG library ``` This seems to work on all current Debian versions, Wheezy, Jessie and Sid. https://packages.debian.org/wheezy/libjpeg-dev https://packages.debian.org/jessie/libjpeg-dev https://packages.debian.org/stretch/libjpeg-dev Im not sure if Ubuntu has this dummy package. http://packages.ubuntu.com/search?keywords=libjpeg-dev Perhaps this should be further discussed. libjpeg8-dev -> libjpeg-dev
* Clean up and tweak build systemShadowNinja2015-03-27
| | | | | | | | | | | | | | | | * Combine client and server man pages. * Update unit test options and available databases in man page. * Add `--worldname` to man page. * Fix a bunch of places where `"Minetest"` was used directly instead of `PROJECT_NAME`. * Disable server build by default on all operating systems. * Make `ENABLE_FREETYPE` not fail if FreeType isn't found. * Enable LevelDB, Redis, and FreeType detection by default. * Remove the `VERSION_PATCH_ORIG` hack. * Add option to search for and use system JSONCPP. * Remove broken LuaJIT version detection. * Rename `DISABLE_LUAJIT` to `ENABLE_LUAJIT`. * Rename `minetest_*` variables in `version.{h,cpp}` to `g_*`. * Clean up style of CMake files.
* Standalone bundle for OSX (w/ dependencies!)Pavel Puchkin2015-03-17
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* update README.txtNer'zhul2015-02-20
| | | | | * prefix apt-get with sudo * git clone minetest_game without going to folder * execute minetest binary without going into bin folder
* README.txt: Simplify initial build steps by using git to fetch sourcesest312015-02-10
| | | | Also simplify wget steps and apt-get install zlib1g-dev libjsoncpp-dev
* Fix download URLSteven Smith2015-02-04
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* Add ZLIBWAPI_DLL and LEVELDB_DLL CMake options Remove legacy MINGWM10_DLL ↵sfan52014-07-29
| | | | CMake option Update 32-bit buildbot (OpenAL updated, zlib updated) Change build directory for buildbots to '_build' to prevent removal of Android build files Use -win64 suffix for 64-bit Windows builds Fixes #1476
* Update default control documentationBlockMen2014-07-07
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* Add redis options to documentationsfan52014-06-29
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* Document CMake options in READMESfan52014-03-03
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* Add fallback font support for some languages.Ilya Zhuravlev2013-09-08
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* Update wiki urlBlockMen2013-07-03
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* Higher resolution menuheaderPilzAdam2013-05-25
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* Remove common from CMakeLists.txt, README.txt, lua-api.txt and buildwin.shPilzAdam2013-05-18
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* Update default controls in README and pause menuPilzAdam2013-05-07
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* Fix shader license headers to be LGPLBrent Hull2013-05-06
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* README.txt: Add some build stuffPerttu Ahola2013-03-26
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* Update README.txt to instruct to get minetest/common tooPerttu Ahola2013-03-21
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* Update Copyright YearsSfan52013-02-24
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* Update READMEPilzAdam2013-02-24
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* Add Freetype supportIlya Zhuravlev2013-02-14
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* Update READMEIlya Zhuravlev2012-12-07
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* Clean and optimize clouds.cpp enough to not really contain any of the small ↵Perttu Ahola2012-06-05
| | | | amount of non-LGPLv2/later code left
* Switch the license to be LGPLv2/later, with small parts still remaining as ↵Perttu Ahola2012-06-05
| | | | GPLv2/later, by agreement of major contributors
* Minimally update compiling on Windows in README.txtPerttu Ahola2012-04-04
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* Add to README.txt's example dependencies on Linux: libogg-dev libvorbis-dev ↵Perttu Ahola2012-04-04
| | | | libopenal-dev
* Add license of Lua in README.txtPerttu Ahola2012-03-31
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* Move games/minetest to games/minimal and update README.txtPerttu Ahola2012-03-26
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* Update vc10 build script example in README.txtPerttu Ahola2012-03-20
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* Update README.txt a bitPerttu Ahola2012-03-19
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* Chat console, including a number of rebases and modifications.Kahrl2012-03-10
| | | | Defaults modified from original: alpha=200, key=F10
* Fix mod licensing and add a mention about sound licensing in README.txtPerttu Ahola2011-12-02
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* Add a note about mods being under CC BY-SA 3.0 like texturesPerttu Ahola2011-12-02
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* Improve "compile on Windows" section in readmePerttu Ahola2011-11-05
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* Update /README.txt, remove duplicate /doc/README.txt and update ↵Perttu Ahola2011-11-03
| | | | CMakeLists.txt to package /README.txt
* Update README.txtPerttu Ahola2011-08-22
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* added gettext supportConstantin Wenger2011-07-20
| | | | german translation file and bashscript to update translations
* Reorganizing stuff (import from temporary git repo)Perttu Ahola2011-06-25
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/*
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 "lua_api/l_mapgen.h"
#include "lua_api/l_internal.h"
#include "lua_api/l_vmanip.h"
#include "common/c_converter.h"
#include "common/c_content.h"
#include "util/serialize.h"
#include "server.h"
#include "environment.h"
#include "emerge.h"
#include "mg_biome.h"
#include "mg_ore.h"
#include "mg_decoration.h"
#include "mg_schematic.h"
#include "mapgen_v5.h"
#include "mapgen_v7.h"
#include "filesys.h"
#include "settings.h"
#include "log.h"

struct EnumString ModApiMapgen::es_BiomeTerrainType[] =
{
	{BIOME_NORMAL, "normal"},
	{BIOME_LIQUID, "liquid"},
	{BIOME_NETHER, "nether"},
	{BIOME_AETHER, "aether"},
	{BIOME_FLAT,   "flat"},
	{0, NULL},
};

struct EnumString ModApiMapgen::es_DecorationType[] =
{
	{DECO_SIMPLE,    "simple"},
	{DECO_SCHEMATIC, "schematic"},
	{DECO_LSYSTEM,   "lsystem"},
	{0, NULL},
};

struct EnumString ModApiMapgen::es_MapgenObject[] =
{
	{MGOBJ_VMANIP,    "voxelmanip"},
	{MGOBJ_HEIGHTMAP, "heightmap"},
	{MGOBJ_BIOMEMAP,  "biomemap"},
	{MGOBJ_HEATMAP,   "heatmap"},
	{MGOBJ_HUMIDMAP,  "humiditymap"},
	{MGOBJ_GENNOTIFY, "gennotify"},
	{0, NULL},
};

struct EnumString ModApiMapgen::es_OreType[] =
{
	{ORE_SCATTER, "scatter"},
	{ORE_SHEET,   "sheet"},
	{ORE_BLOB,    "blob"},
	{ORE_VEIN,    "vein"},
	{0, NULL},
};

struct EnumString ModApiMapgen::es_Rotation[] =
{
	{ROTATE_0,    "0"},
	{ROTATE_90,   "90"},
	{ROTATE_180,  "180"},
	{ROTATE_270,  "270"},
	{ROTATE_RAND, "random"},
	{0, NULL},
};

struct EnumString ModApiMapgen::es_SchematicFormatType[] =
{
	{SCHEM_FMT_HANDLE, "handle"},
	{SCHEM_FMT_MTS,    "mts"},
	{SCHEM_FMT_LUA,    "lua"},
	{0, NULL},
};

struct EnumString ModApiMapgen::es_NodeResolveMethod[] =
{
	{NODE_RESOLVE_NONE,     "none"},
	{NODE_RESOLVE_DIRECT,   "direct"},
	{NODE_RESOLVE_DEFERRED, "deferred"},
	{0, NULL},
};

ObjDef *get_objdef(lua_State *L, int index, ObjDefManager *objmgr);

Biome *get_or_load_biome(lua_State *L, int index,
	BiomeManager *biomemgr);
Biome *read_biome_def(lua_State *L, int index, INodeDefManager *ndef);
size_t get_biome_list(lua_State *L, int index,
	BiomeManager *biomemgr, std::set<u8> *biome_id_list);

Schematic *get_or_load_schematic(lua_State *L, int index,
	SchematicManager *schemmgr, StringMap *replace_names,
	bool register_on_load=true,
	NodeResolveMethod resolve_method=NODE_RESOLVE_DEFERRED);
Schematic *load_schematic(lua_State *L, int index, INodeDefManager *ndef,
	StringMap *replace_names, NodeResolveMethod resolve_method);
Schematic *load_schematic_from_def(lua_State *L, int index,
	INodeDefManager *ndef, StringMap *replace_names,
	NodeResolveMethod resolve_method);
bool read_schematic_def(lua_State *L, int index,
	Schematic *schem, std::vector<std::string> *names);

bool read_deco_simple(lua_State *L, DecoSimple *deco);
bool read_deco_schematic(lua_State *L, SchematicManager *schemmgr, DecoSchematic *deco);


///////////////////////////////////////////////////////////////////////////////

ObjDef *get_objdef(lua_State *L, int index, ObjDefManager *objmgr)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	// If a number, assume this is a handle to an object def
	if (lua_isnumber(L, index))
		return objmgr->get(lua_tointeger(L, index));

	// If a string, assume a name is given instead
	if (lua_isstring(L, index))
		return objmgr->getByName(lua_tostring(L, index));

	return NULL;
}

///////////////////////////////////////////////////////////////////////////////

Schematic *get_or_load_schematic(lua_State *L, int index,
	SchematicManager *schemmgr, StringMap *replace_names,
	bool register_on_load,
	NodeResolveMethod resolve_method)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	Schematic *schem = (Schematic *)get_objdef(L, index, schemmgr);
	if (schem)
		return schem;

	schem = load_schematic(L, index, schemmgr->getNodeDef(),
		replace_names, resolve_method);
	if (!schem)
		return NULL;

	if (!register_on_load)
		return schem;

	if (schemmgr->add(schem) == OBJDEF_INVALID_HANDLE) {
		delete schem;
		return NULL;
	}

	return schem;
}


Schematic *load_schematic(lua_State *L, int index, INodeDefManager *ndef,
	StringMap *replace_names, NodeResolveMethod resolve_method)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	Schematic *schem = NULL;

	if (lua_istable(L, index)) {
		schem = load_schematic_from_def(L, index, ndef,
			replace_names, resolve_method);
		if (!schem) {
			delete schem;
			return NULL;
		}
	} else if (lua_isnumber(L, index)) {
		return NULL;
	} else if (lua_isstring(L, index)) {
		schem = SchematicManager::create(SCHEMATIC_NORMAL);

		std::string filepath = lua_tostring(L, index);
		if (!fs::IsPathAbsolute(filepath))
			filepath = ModApiBase::getCurrentModPath(L) + DIR_DELIM + filepath;

		if (!schem->loadSchematicFromFile(filepath, ndef,
				replace_names, resolve_method)) {
			delete schem;
			return NULL;
		}
	}

	return schem;
}


Schematic *load_schematic_from_def(lua_State *L, int index, INodeDefManager *ndef,
	StringMap *replace_names, NodeResolveMethod resolve_method)
{
	Schematic *schem = SchematicManager::create(SCHEMATIC_NORMAL);

	if (!read_schematic_def(L, index, schem, &schem->m_nodenames)) {
		delete schem;
		return NULL;
	}

	size_t num_nodes = schem->m_nodenames.size();

	schem->m_nnlistsizes.push_back(num_nodes);

	if (replace_names) {
		for (size_t i = 0; i != num_nodes; i++) {
			StringMap::iterator it = replace_names->find(schem->m_nodenames[i]);
			if (it != replace_names->end())
				schem->m_nodenames[i] = it->second;
		}
	}

	ndef->pendNodeResolve(schem, resolve_method);

	return schem;
}


bool read_schematic_def(lua_State *L, int index,
	Schematic *schem, std::vector<std::string> *names)
{
	if (!lua_istable(L, index))
		return false;

	//// Get schematic size
	lua_getfield(L, index, "size");
	v3s16 size = read_v3s16(L, -1);
	lua_pop(L, 1);

	schem->size = size;

	//// Get schematic data
	lua_getfield(L, index, "data");
	luaL_checktype(L, -1, LUA_TTABLE);

	int numnodes = size.X * size.Y * size.Z;
	schem->schemdata = new MapNode[numnodes];
	int i = 0;

	size_t names_base = names->size();
	std::map<std::string, content_t> name_id_map;

	lua_pushnil(L);
	while (lua_next(L, -2)) {
		if (i >= numnodes) {
			i++;
			lua_pop(L, 1);
			continue;
		}

		// same as readnode, except param1 default is MTSCHEM_PROB_CONST
		lua_getfield(L, -1, "name");
		std::string name = luaL_checkstring(L, -1);
		lua_pop(L, 1);

		u8 param1;
		lua_getfield(L, -1, "param1");
		param1 = !lua_isnil(L, -1) ? lua_tonumber(L, -1) : MTSCHEM_PROB_ALWAYS;
		lua_pop(L, 1);

		u8 param2;
		lua_getfield(L, -1, "param2");
		param2 = !lua_isnil(L, -1) ? lua_tonumber(L, -1) : 0;
		lua_pop(L, 1);

		std::map<std::string, content_t>::iterator it = name_id_map.find(name);
		content_t name_index;
		if (it != name_id_map.end()) {
			name_index = it->second;
		} else {
			name_index = names->size() - names_base;
			name_id_map[name] = name_index;
			names->push_back(name);
		}

		schem->schemdata[i] = MapNode(name_index, param1, param2);

		i++;
		lua_pop(L, 1);
	}

	if (i != numnodes) {
		errorstream << "read_schematic_def: incorrect number of "
			"nodes provided in raw schematic data (got " << i <<
			", expected " << numnodes << ")." << std::endl;
		return false;
	}

	//// Get Y-slice probability values (if present)
	schem->slice_probs = new u8[size.Y];
	for (i = 0; i != size.Y; i++)
		schem->slice_probs[i] = MTSCHEM_PROB_ALWAYS;

	lua_getfield(L, index, "yslice_prob");
	if (lua_istable(L, -1)) {
		lua_pushnil(L);
		while (lua_next(L, -2)) {
			if (getintfield(L, -1, "ypos", i) && i >= 0 && i < size.Y) {
				schem->slice_probs[i] = getintfield_default(L, -1,
					"prob", MTSCHEM_PROB_ALWAYS);
			}
			lua_pop(L, 1);
		}
	}

	return true;
}


void read_schematic_replacements(lua_State *L, int index, StringMap *replace_names)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	lua_pushnil(L);
	while (lua_next(L, index)) {
		std::string replace_from;
		std::string replace_to;

		if (lua_istable(L, -1)) { // Old {{"x", "y"}, ...} format
			lua_rawgeti(L, -1, 1);
			replace_from = lua_tostring(L, -1);
			lua_pop(L, 1);

			lua_rawgeti(L, -1, 2);
			replace_to = lua_tostring(L, -1);
			lua_pop(L, 1);
		} else { // New {x = "y", ...} format
			replace_from = lua_tostring(L, -2);
			replace_to = lua_tostring(L, -1);
		}

		replace_names->insert(std::make_pair(replace_from, replace_to));
		lua_pop(L, 1);
	}
}

///////////////////////////////////////////////////////////////////////////////

Biome *get_or_load_biome(lua_State *L, int index, BiomeManager *biomemgr)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	Biome *biome = (Biome *)get_objdef(L, index, biomemgr);
	if (biome)
		return biome;

	biome = read_biome_def(L, index, biomemgr->getNodeDef());
	if (!biome)
		return NULL;

	if (biomemgr->add(biome) == OBJDEF_INVALID_HANDLE) {
		delete biome;
		return NULL;
	}

	return biome;
}


Biome *read_biome_def(lua_State *L, int index, INodeDefManager *ndef)
{
	if (!lua_istable(L, index))
		return NULL;

	BiomeType biometype = (BiomeType)getenumfield(L, index, "type",
		ModApiMapgen::es_BiomeTerrainType, BIOME_NORMAL);
	Biome *b = BiomeManager::create(biometype);

	b->name            = getstringfield_default(L, index, "name", "");
	b->depth_top       = getintfield_default(L, index, "depth_top",          1);
	b->depth_filler    = getintfield_default(L, index, "depth_filler",       2);
	b->depth_water_top = getintfield_default(L, index, "depth_water_top",    0);
	b->y_min           = getintfield_default(L, index, "y_min",         -31000);
	b->y_max           = getintfield_default(L, index, "y_max",          31000);
	b->heat_point      = getfloatfield_default(L, index, "heat_point",     0.f);
	b->humidity_point  = getfloatfield_default(L, index, "humidity_point", 0.f);
	b->flags           = 0; //reserved

	std::vector<std::string> &nn = b->m_nodenames;
	nn.push_back(getstringfield_default(L, index, "node_top",       ""));
	nn.push_back(getstringfield_default(L, index, "node_filler",    ""));
	nn.push_back(getstringfield_default(L, index, "node_stone",     ""));
	nn.push_back(getstringfield_default(L, index, "node_water_top", ""));
	nn.push_back(getstringfield_default(L, index, "node_water",     ""));
	nn.push_back(getstringfield_default(L, index, "node_dust",      ""));
	ndef->pendNodeResolve(b, NODE_RESOLVE_DEFERRED);

	return b;
}


size_t get_biome_list(lua_State *L, int index,
	BiomeManager *biomemgr, std::set<u8> *biome_id_list)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	if (lua_isnil(L, index))
		return 0;

	bool is_single = true;
	if (lua_istable(L, index)) {
		lua_getfield(L, index, "name");
		is_single = !lua_isnil(L, -1);
		lua_pop(L, 1);
	}

	if (is_single) {
		Biome *biome = get_or_load_biome(L, index, biomemgr);
		if (!biome) {
			errorstream << "get_biome_list: failed to get biome" << std::endl;
			return 1;
		}

		biome_id_list->insert(biome->index);
		return 0;
	}

	// returns number of failed resolutions
	size_t fail_count = 0;
	size_t count = 0;

	for (lua_pushnil(L); lua_next(L, index); lua_pop(L, 1)) {
		count++;
		Biome *biome = get_or_load_biome(L, -1, biomemgr);
		if (!biome) {
			fail_count++;
			errorstream << "get_biome_list: failed to load biome (index "
				<< count << ")" << std::endl;
			continue;
		}

		biome_id_list->insert(biome->index);
	}

	return fail_count;
}

///////////////////////////////////////////////////////////////////////////////

// get_mapgen_object(objectname)
// returns the requested object used during map generation
int ModApiMapgen::l_get_mapgen_object(lua_State *L)
{
	const char *mgobjstr = lua_tostring(L, 1);

	int mgobjint;
	if (!string_to_enum(es_MapgenObject, mgobjint, mgobjstr ? mgobjstr : ""))
		return 0;

	enum MapgenObject mgobj = (MapgenObject)mgobjint;

	EmergeManager *emerge = getServer(L)->getEmergeManager();
	Mapgen *mg = emerge->getCurrentMapgen();
	if (!mg)
		return 0;

	size_t maplen = mg->csize.X * mg->csize.Z;

	switch (mgobj) {
	case MGOBJ_VMANIP: {
		MMVManip *vm = mg->vm;

		// VoxelManip object
		LuaVoxelManip *o = new LuaVoxelManip(vm, true);
		*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
		luaL_getmetatable(L, "VoxelManip");
		lua_setmetatable(L, -2);

		// emerged min pos
		push_v3s16(L, vm->m_area.MinEdge);

		// emerged max pos
		push_v3s16(L, vm->m_area.MaxEdge);

		return 3;
	}
	case MGOBJ_HEIGHTMAP: {
		if (!mg->heightmap)
			return 0;

		lua_newtable(L);
		for (size_t i = 0; i != maplen; i++) {
			lua_pushinteger(L, mg->heightmap[i]);
			lua_rawseti(L, -2, i + 1);
		}

		return 1;
	}
	case MGOBJ_BIOMEMAP: {
		if (!mg->biomemap)
			return 0;

		lua_newtable(L);
		for (size_t i = 0; i != maplen; i++) {
			lua_pushinteger(L, mg->biomemap[i]);
			lua_rawseti(L, -2, i + 1);
		}

		return 1;
	}
	case MGOBJ_HEATMAP: { // Mapgen V7 specific objects
	case MGOBJ_HUMIDMAP:
		if (strcmp(emerge->params.mg_name.c_str(), "v7"))
			return 0;

		MapgenV7 *mgv7 = (MapgenV7 *)mg;

		float *arr = (mgobj == MGOBJ_HEATMAP) ?
			mgv7->noise_heat->result : mgv7->noise_humidity->result;
		if (!arr)
			return 0;

		lua_newtable(L);
		for (size_t i = 0; i != maplen; i++) {
			lua_pushnumber(L, arr[i]);
			lua_rawseti(L, -2, i + 1);
		}

		return 1;
	}
	case MGOBJ_GENNOTIFY: {
		std::map<std::string, std::vector<v3s16> >event_map;
		std::map<std::string, std::vector<v3s16> >::iterator it;

		mg->gennotify.getEvents(event_map);

		lua_newtable(L);
		for (it = event_map.begin(); it != event_map.end(); ++it) {
			lua_newtable(L);

			for (size_t j = 0; j != it->second.size(); j++) {
				push_v3s16(L, it->second[j]);
				lua_rawseti(L, -2, j + 1);
			}

			lua_setfield(L, -2, it->first.c_str());
		}

		return 1;
	}
	}

	return 0;
}


int ModApiMapgen::l_get_mapgen_params(lua_State *L)
{
	MapgenParams *params = &getServer(L)->getEmergeManager()->params;

	lua_newtable(L);

	lua_pushstring(L, params->mg_name.c_str());
	lua_setfield(L, -2, "mgname");

	lua_pushinteger(L, params->seed);
	lua_setfield(L, -2, "seed");

	lua_pushinteger(L, params->water_level);
	lua_setfield(L, -2, "water_level");

	lua_pushinteger(L, params->chunksize);
	lua_setfield(L, -2, "chunksize");

	std::string flagstr = writeFlagString(params->flags, flagdesc_mapgen, (u32)-1);
	lua_pushstring(L, flagstr.c_str());
	lua_setfield(L, -2, "flags");

	return 1;
}


// set_mapgen_params(params)
// set mapgen parameters
int ModApiMapgen::l_set_mapgen_params(lua_State *L)
{
	if (!lua_istable(L, 1))
		return 0;

	MapgenParams *params = &getServer(L)->getEmergeManager()->params;
	u32 flags = 0, flagmask = 0;

	lua_getfield(L, 1, "mgname");
	if (lua_isstring(L, -1)) {
		params->mg_name = lua_tostring(L, -1);
		delete params->sparams;
		params->sparams = NULL;
	}

	lua_getfield(L, 1, "seed");
	if (lua_isnumber(L, -1))
		params->seed = lua_tointeger(L, -1);

	lua_getfield(L, 1, "water_level");
	if (lua_isnumber(L, -1))
		params->water_level = lua_tointeger(L, -1);

	warn_if_field_exists(L, 1, "flagmask",
		"Deprecated: flags field now includes unset flags.");
	lua_getfield(L, 1, "flagmask");
	if (lua_isstring(L, -1))
		params->flags &= ~readFlagString(lua_tostring(L, -1), flagdesc_mapgen, NULL);

	if (getflagsfield(L, 1, "flags", flagdesc_mapgen, &flags, &flagmask)) {
		params->flags &= ~flagmask;
		params->flags |= flags;
	}

	return 0;
}


// set_noiseparams(name, noiseparams, set_default)
// set global config values for noise parameters
int ModApiMapgen::l_set_noiseparams(lua_State *L)
{
	const char *name = luaL_checkstring(L, 1);

	NoiseParams np;
	if (!read_noiseparams(L, 2, &np))
		return 0;

	bool set_default = lua_isboolean(L, 3) ? lua_toboolean(L, 3) : true;

	g_settings->setNoiseParams(name, np, set_default);

	return 0;
}


// set_gen_notify(flags, {deco_id_table})
int ModApiMapgen::l_set_gen_notify(lua_State *L)
{
	u32 flags = 0, flagmask = 0;
	EmergeManager *emerge = getServer(L)->getEmergeManager();

	if (read_flags(L, 1, flagdesc_gennotify, &flags, &flagmask)) {
		emerge->gen_notify_on &= ~flagmask;
		emerge->gen_notify_on |= flags;
	}

	if (lua_istable(L, 2)) {
		lua_pushnil(L);
		while (lua_next(L, 2)) {
			if (lua_isnumber(L, -1))
				emerge->gen_notify_on_deco_ids.insert(lua_tonumber(L, -1));
			lua_pop(L, 1);
		}
	}

	return 0;
}


// register_biome({lots of stuff})
int ModApiMapgen::l_register_biome(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	BiomeManager *bmgr    = getServer(L)->getEmergeManager()->biomemgr;

	Biome *biome = read_biome_def(L, index, ndef);
	if (!biome)
		return 0;

	ObjDefHandle handle = bmgr->add(biome);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete biome;
		return 0;
	}

	lua_pushinteger(L, handle);
	return 1;
}


// register_decoration({lots of stuff})
int ModApiMapgen::l_register_decoration(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef      = getServer(L)->getNodeDefManager();
	DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
	BiomeManager *biomemgr     = getServer(L)->getEmergeManager()->biomemgr;
	SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;

	enum DecorationType decotype = (DecorationType)getenumfield(L, index,
				"deco_type", es_DecorationType, -1);

	Decoration *deco = decomgr->create(decotype);
	if (!deco) {
		errorstream << "register_decoration: decoration placement type "
			<< decotype << " not implemented" << std::endl;
		return 0;
	}

	deco->name       = getstringfield_default(L, index, "name", "");
	deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
	deco->y_min      = getintfield_default(L, index, "y_min", -31000);
	deco->y_max      = getintfield_default(L, index, "y_max", 31000);
	deco->sidelen    = getintfield_default(L, index, "sidelen", 8);
	if (deco->sidelen <= 0) {
		errorstream << "register_decoration: sidelen must be "
			"greater than 0" << std::endl;
		delete deco;
		return 0;
	}

	//// Get node name(s) to place decoration on
	size_t nread = getstringlistfield(L, index, "place_on", &deco->m_nodenames);
	deco->m_nnlistsizes.push_back(nread);

	//// Get decoration flags
	getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);

	//// Get NoiseParams to define how decoration is placed
	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &deco->np))
		deco->flags |= DECO_USE_NOISE;
	lua_pop(L, 1);

	//// Get biomes associated with this decoration (if any)
	lua_getfield(L, index, "biomes");
	if (get_biome_list(L, -1, biomemgr, &deco->biomes))
		errorstream << "register_decoration: couldn't get all biomes " << std::endl;
	lua_pop(L, 1);

	//// Handle decoration type-specific parameters
	bool success = false;
	switch (decotype) {
	case DECO_SIMPLE:
		success = read_deco_simple(L, (DecoSimple *)deco);
		break;
	case DECO_SCHEMATIC:
		success = read_deco_schematic(L, schemmgr, (DecoSchematic *)deco);
		break;
	case DECO_LSYSTEM:
		break;
	}

	if (!success) {
		delete deco;
		return 0;
	}

	ndef->pendNodeResolve(deco, NODE_RESOLVE_DEFERRED);

	ObjDefHandle handle = decomgr->add(deco);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete deco;
		return 0;
	}

	lua_pushinteger(L, handle);
	return 1;
}


bool read_deco_simple(lua_State *L, DecoSimple *deco)
{
	size_t nnames;
	int index = 1;

	deco->deco_height     = getintfield_default(L, index, "height", 1);
	deco->deco_height_max = getintfield_default(L, index, "height_max", 0);
	deco->nspawnby        = getintfield_default(L, index, "num_spawn_by", -1);

	if (deco->deco_height <= 0) {
		errorstream << "register_decoration: simple decoration height"
			" must be greater than 0" << std::endl;
		return false;
	}

	nnames = getstringlistfield(L, index, "decoration", &deco->m_nodenames);
	deco->m_nnlistsizes.push_back(nnames);
	if (nnames == 0) {
		errorstream << "register_decoration: no decoration nodes "
			"defined" << std::endl;
		return false;
	}

	nnames = getstringlistfield(L, index, "spawn_by", &deco->m_nodenames);
	deco->m_nnlistsizes.push_back(nnames);
	if (nnames == 0 && deco->nspawnby != -1) {
		errorstream << "register_decoration: no spawn_by nodes defined,"
			" but num_spawn_by specified" << std::endl;
		return false;
	}

	return true;
}


bool read_deco_schematic(lua_State *L, SchematicManager *schemmgr, DecoSchematic *deco)
{
	int index = 1;

	deco->rotation = (Rotation)getenumfield(L, index, "rotation",
		ModApiMapgen::es_Rotation, ROTATE_0);

	StringMap replace_names;
	lua_getfield(L, index, "replacements");
	if (lua_istable(L, -1))
		read_schematic_replacements(L, -1, &replace_names);
	lua_pop(L, 1);

	lua_getfield(L, index, "schematic");
	Schematic *schem = get_or_load_schematic(L, -1, schemmgr, &replace_names);
	lua_pop(L, 1);

	deco->schematic = schem;
	return schem != NULL;
}


// register_ore({lots of stuff})
int ModApiMapgen::l_register_ore(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	OreManager *oremgr    = getServer(L)->getEmergeManager()->oremgr;

	enum OreType oretype = (OreType)getenumfield(L, index,
				"ore_type", es_OreType, ORE_SCATTER);
	Ore *ore = oremgr->create(oretype);
	if (!ore) {
		errorstream << "register_ore: ore_type " << oretype << " not implemented";
		return 0;
	}

	ore->name           = getstringfield_default(L, index, "name", "");
	ore->ore_param2     = (u8)getintfield_default(L, index, "ore_param2", 0);
	ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
	ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
	ore->clust_size     = getintfield_default(L, index, "clust_size", 0);
	ore->nthresh        = getfloatfield_default(L, index, "noise_threshhold", 0);
	ore->noise          = NULL;
	ore->flags          = 0;

	warn_if_field_exists(L, index, "height_min",
		"Deprecated: new name is \"y_min\".");
	warn_if_field_exists(L, index, "height_max",
		"Deprecated: new name is \"y_max\".");

	int ymin, ymax;
	if (!getintfield(L, index, "y_min", ymin) &&
		!getintfield(L, index, "height_min", ymin))
		ymin = -31000;
	if (!getintfield(L, index, "y_max", ymax) &&
		!getintfield(L, index, "height_max", ymax))
		ymax = 31000;
	ore->y_min = ymin;
	ore->y_max = ymax;

	if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
		errorstream << "register_ore: clust_scarcity and clust_num_ores"
			"must be greater than 0" << std::endl;
		delete ore;
		return 0;
	}

	getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);

	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &ore->np)) {
		ore->flags |= OREFLAG_USE_NOISE;
	} else if (ore->NEEDS_NOISE) {
		errorstream << "register_ore: specified ore type requires valid "
			"noise parameters" << std::endl;
		delete ore;
		return 0;
	}
	lua_pop(L, 1);

	if (oretype == ORE_VEIN) {
		OreVein *orevein = (OreVein *)ore;
		orevein->random_factor = getfloatfield_default(L, index,
			"random_factor", 1.f);
	}

	ObjDefHandle handle = oremgr->add(ore);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete ore;
		return 0;
	}

	ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));

	size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
	ore->m_nnlistsizes.push_back(nnames);

	ndef->pendNodeResolve(ore, NODE_RESOLVE_DEFERRED);

	lua_pushinteger(L, handle);
	return 1;
}


// register_schematic({schematic}, replacements={})
int ModApiMapgen::l_register_schematic(lua_State *L)
{
	SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;

	StringMap replace_names;
	if (lua_istable(L, 2))
		read_schematic_replacements(L, 2, &replace_names);

	Schematic *schem = load_schematic(L, 1, schemmgr->getNodeDef(),
		&replace_names, NODE_RESOLVE_DEFERRED);
	if (!schem)
		return 0;

	ObjDefHandle handle = schemmgr->add(schem);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete schem;
		return 0;
	}

	lua_pushinteger(L, handle);
	return 1;
}


// clear_registered_biomes()
int ModApiMapgen::l_clear_registered_biomes(lua_State *L)
{
	BiomeManager *bmgr = getServer(L)->getEmergeManager()->biomemgr;
	bmgr->clear();
	return 0;
}


// clear_registered_decorations()
int ModApiMapgen::l_clear_registered_decorations(lua_State *L)
{
	DecorationManager *dmgr = getServer(L)->getEmergeManager()->decomgr;
	dmgr->clear();
	return 0;
}


// clear_registered_ores()
int ModApiMapgen::l_clear_registered_ores(lua_State *L)
{
	OreManager *omgr = getServer(L)->getEmergeManager()->oremgr;
	omgr->clear();
	return 0;
}


// clear_registered_schematics()
int ModApiMapgen::l_clear_registered_schematics(lua_State *L)
{
	SchematicManager *smgr = getServer(L)->getEmergeManager()->schemmgr;
	smgr->clear();
	return 0;
}


// generate_ores(vm, p1, p2, [ore_id])
int ModApiMapgen::l_generate_ores(lua_State *L)
{
	EmergeManager *emerge = getServer(L)->getEmergeManager();

	Mapgen mg;
	mg.seed = emerge->params.seed;
	mg.vm   = LuaVoxelManip::checkobject(L, 1)->vm;
	mg.ndef = getServer(L)->getNodeDefManager();

	v3s16 pmin = lua_istable(L, 2) ? read_v3s16(L, 2) :
			mg.vm->m_area.MinEdge + v3s16(1,1,1) * MAP_BLOCKSIZE;
	v3s16 pmax = lua_istable(L, 3) ? read_v3s16(L, 3) :
			mg.vm->m_area.MaxEdge - v3s16(1,1,1) * MAP_BLOCKSIZE;
	sortBoxVerticies(pmin, pmax);

	u32 blockseed = Mapgen::getBlockSeed(pmin, mg.seed);

	emerge->oremgr->placeAllOres(&mg, blockseed, pmin, pmax);

	return 0;
}


// generate_decorations(vm, p1, p2, [deco_id])
int ModApiMapgen::l_generate_decorations(lua_State *L)
{
	EmergeManager *emerge = getServer(L)->getEmergeManager();

	Mapgen mg;
	mg.seed = emerge->params.seed;
	mg.vm   = LuaVoxelManip::checkobject(L, 1)->vm;
	mg.ndef = getServer(L)->getNodeDefManager();

	v3s16 pmin = lua_istable(L, 2) ? read_v3s16(L, 2) :
			mg.vm->m_area.MinEdge + v3s16(1,1,1) * MAP_BLOCKSIZE;
	v3s16 pmax = lua_istable(L, 3) ? read_v3s16(L, 3) :
			mg.vm->m_area.MaxEdge - v3s16(1,1,1) * MAP_BLOCKSIZE;
	sortBoxVerticies(pmin, pmax);

	u32 blockseed = Mapgen::getBlockSeed(pmin, mg.seed);

	emerge->decomgr->placeAllDecos(&mg, blockseed, pmin, pmax);

	return 0;
}


// create_schematic(p1, p2, probability_list, filename, y_slice_prob_list)
int ModApiMapgen::l_create_schematic(lua_State *L)
{
	Schematic schem;

	Map *map = &(getEnv(L)->getMap());

	v3s16 p1 = read_v3s16(L, 1);
	v3s16 p2 = read_v3s16(L, 2);
	sortBoxVerticies(p1, p2);

	std::vector<std::pair<v3s16, u8> > prob_list;
	if (lua_istable(L, 3)) {
		lua_pushnil(L);
		while (lua_next(L, 3)) {
			if (lua_istable(L, -1)) {
				lua_getfield(L, -1, "pos");
				v3s16 pos = read_v3s16(L, -1);
				lua_pop(L, 1);

				u8 prob = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
				prob_list.push_back(std::make_pair(pos, prob));
			}

			lua_pop(L, 1);
		}
	}

	std::vector<std::pair<s16, u8> > slice_prob_list;
	if (lua_istable(L, 5)) {
		lua_pushnil(L);
		while (lua_next(L, 5)) {
			if (lua_istable(L, -1)) {
				s16 ypos = getintfield_default(L, -1, "ypos", 0);
				u8 prob  = getintfield_default(L, -1, "prob", MTSCHEM_PROB_ALWAYS);
				slice_prob_list.push_back(std::make_pair(ypos, prob));
			}

			lua_pop(L, 1);
		}
	}

	const char *filename = luaL_checkstring(L, 4);

	if (!schem.getSchematicFromMap(map, p1, p2)) {
		errorstream << "create_schematic: failed to get schematic "
			"from map" << std::endl;
		return 0;
	}

	schem.applyProbabilities(p1, &prob_list, &slice_prob_list);

	schem.saveSchematicToFile(filename);
	actionstream << "create_schematic: saved schematic file '"
		<< filename << "'." << std::endl;

	lua_pushboolean(L, true);
	return 1;
}


// place_schematic(p, schematic, rotation, replacement)
int ModApiMapgen::l_place_schematic(lua_State *L)
{
	Map *map = &(getEnv(L)->getMap());
	SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;

	//// Read position
	v3s16 p = read_v3s16(L, 1);

	//// Read rotation
	int rot = ROTATE_0;
	const char *enumstr = lua_tostring(L, 3);
	if (enumstr)
		string_to_enum(es_Rotation, rot, std::string(enumstr));

	//// Read force placement
	bool force_placement = true;
	if (lua_isboolean(L, 5))
		force_placement = lua_toboolean(L, 5);

	//// Read node replacements
	StringMap replace_names;
	if (lua_istable(L, 4))
		read_schematic_replacements(L, 4, &replace_names);

	//// Read schematic
	Schematic *schem = get_or_load_schematic(L, 2, schemmgr, &replace_names);
	if (!schem) {
		errorstream << "place_schematic: failed to get schematic" << std::endl;
		return 0;
	}

	schem->placeStructure(map, p, 0, (Rotation)rot, force_placement,
		schemmgr->getNodeDef());

	lua_pushboolean(L, true);
	return 1;
}

// serialize_schematic(schematic, format, options={...})
int ModApiMapgen::l_serialize_schematic(lua_State *L)
{
	SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;

	//// Read options
	NodeResolveMethod resolve_method = (NodeResolveMethod)getenumfield(L, 3,
		"node_resolve_method", es_NodeResolveMethod, NODE_RESOLVE_NONE);
	bool register_on_load = getboolfield_default(L, 3, "register_on_load", false);
	bool use_comments = getboolfield_default(L, 3, "use_lua_comments", false);

	//// Read schematic
	Schematic *schem = get_or_load_schematic(L, 1, schemmgr, NULL,
		register_on_load, resolve_method);
	if (!schem) {
		errorstream << "serialize_schematic: failed to get schematic" << std::endl;
		return 0;
	}

	//// Read format of definition to save as
	int schem_format = SCHEM_FMT_MTS;
	const char *enumstr = lua_tostring(L, 2);
	if (enumstr)
		string_to_enum(es_SchematicFormatType, schem_format, std::string(enumstr));

	//// Serialize to binary string
	std::ostringstream os(std::ios_base::binary);
	switch (schem_format) {
	case SCHEM_FMT_MTS:
		schem->serializeToMts(&os);
		break;
	case SCHEM_FMT_LUA:
		schem->serializeToLua(&os, use_comments);
		break;
	default:
		return 0;
	}

	std::string ser = os.str();
	lua_pushlstring(L, ser.c_str(), ser.length());
	return 1;
}


void ModApiMapgen::Initialize(lua_State *L, int top)
{
	API_FCT(get_mapgen_object);

	API_FCT(get_mapgen_params);
	API_FCT(set_mapgen_params);
	API_FCT(set_noiseparams);
	API_FCT(set_gen_notify);

	API_FCT(register_biome);
	API_FCT(register_decoration);
	API_FCT(register_ore);
	API_FCT(register_schematic);

	API_FCT(clear_registered_biomes);
	API_FCT(clear_registered_decorations);
	API_FCT(clear_registered_ores);
	API_FCT(clear_registered_schematics);

	API_FCT(generate_ores);
	API_FCT(generate_decorations);
	API_FCT(create_schematic);
	API_FCT(place_schematic);
	API_FCT(serialize_schematic);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 23:06:52 +0000