index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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path: root/builtin

	Commit message (Expand)	Author	Age
*	Fix enable mod/enable button not shown on entering world config dialog	sapier	2013-07-22
*	Fix bug in world creation	sapier	2013-07-22
*	Add missing header/footer for singleplayer tab	sapier	2013-07-22
*	Remove debug output	sapier	2013-07-22
*	Fix Bug in modname guessing resulting in undefined modname	sapier	2013-07-22
*	merge mainmenu_helper.lua to misc_helpers.lua	sapier	2013-07-22
*	Fix background/overlay/footer/header handling	sapier	2013-07-22
*	Add playernumber to favorites list	sapier	2013-07-22
*	filterlist api cleanup	sapier	2013-07-22
*	Add port to favorites if not 30000	sapier	2013-07-22
*	Replace worldlist by generic filterlist implementation	sapier	2013-07-22
*	Add support for modstore screenshots	sapier	2013-07-22
*	Swap name/password <-> server description	sapier	2013-07-22
*	Revert "Fix serverdescription and name not beeing saved to local serverlist"	sapier	2013-07-22
*	Remove unused required by list in worldconfig	sapier	2013-07-22
*	Add an option to disable object <-> object collision for Lua entities	PilzAdam	2013-07-20
*	Don't show flags in local favorites	sapier	2013-07-12
*	Fix bug server name set to address field when using up/down keys	sapier	2013-07-12
*	Add missing server flags in public serverlist	sapier	2013-07-12
*	Remove lots of debug output from modmgr	sapier	2013-07-12
*	Fix serverdescription and name not beeing saved to local serverlist	sapier	2013-07-12
*	Add VoxelArea:position, VoxelArea:iter and VoxelArea:iterp	Kahrl	2013-07-11
*	Worldlist fixes	sapier	2013-07-11
*	Fix serverlist	sapier	2013-07-09
*	Public server checkbox	proller	2013-07-10
*	Revert "Fix serverlist not beeing escaped correctly"	kwolekr	2013-07-08
*	Fix header not beeing shown except on singleplayer tab	sapier	2013-07-08
*	Fix serverlist not beeing escaped correctly	sapier	2013-07-08
*	fix crash on play/start with empty world list	sapier	2013-07-08
*	Make sure that coordinates passed to /teleport are actual numbers	PilzAdam	2013-07-08
*	Move math.hypot() to misc_helpers.lua and fix zero-division error	ShadowNinja	2013-07-07
*	Lua main menu: Fix world creation dialog	kwolekr	2013-07-07
*	Set numeric locale in Lua in main menu	PilzAdam	2013-07-08
*	Fix many formspec menu bugs	sapier	2013-07-07
*	Fix parseColor, change remaining colorkeys to new format, fix Contributor list	Sfan5	2013-07-07
*	Handle 0 vectors in vector.normalize()	ShadowNinja	2013-07-07
*	Add vector helpers	ShadowNinja	2013-07-07
*	Use hexadecimal RRGGBB instead of colorkeys, rename getColor to parseColor	Sfan5	2013-07-06
*	Lua main menu: Fix crash on init lua error, mapgen dropdown index, and new wo...	kwolekr	2013-07-03
*	Replace C++ mainmenu by formspec powered one	sapier	2013-07-02
*	Remove unnecessary debug output in node_dig()	PilzAdam	2013-07-02
*	Infinite tools in creative mode	Lord89James	2013-07-02
*	Add Lua VoxelArea methods: contains, containsp, containsi	kwolekr	2013-06-28
*	Add voxelarea.lua helper to builtin	kwolekr	2013-06-28
*	Add Lua on_mapgen_init callback, and minetest.set_mapgen_params API	kwolekr	2013-06-27
*	Restore old output format of dump()	Diego Martínez	2013-06-18
*	Fix crash in dump() when index is a table	khonkhortisan	2013-06-15
*	Move scriptapi to separate folder (by sapier)	sapier	2013-05-25
*	Fix minetest.features	PilzAdam	2013-05-01
*	Add a Way of checking for specific Feature with Lua Adds minetest.get_feature...	Sfan5	2013-05-01

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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-06 05:33:15 +0000

/*
Minetest
Copyright (C) 2013 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.
*/


#include "lua_api/l_vmanip.h"
#include "lua_api/l_internal.h"
#include "common/c_content.h"
#include "common/c_converter.h"
#include "emerge.h"
#include "environment.h"
#include "map.h"
#include "server.h"
#include "mapgen.h"

#define GET_ENV_PTR ServerEnvironment* env =                                   \
				dynamic_cast<ServerEnvironment*>(getEnv(L));                   \
				if (env == NULL) return 0

// garbage collector
int LuaVoxelManip::gc_object(lua_State *L)
{
	LuaVoxelManip *o = *(LuaVoxelManip **)(lua_touserdata(L, 1));
	delete o;

	return 0;
}

int LuaVoxelManip::l_read_from_map(lua_State *L)
{
	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	v3s16 bp1 = getNodeBlockPos(check_v3s16(L, 2));
	v3s16 bp2 = getNodeBlockPos(check_v3s16(L, 3));
	sortBoxVerticies(bp1, bp2);

	vm->initialEmerge(bp1, bp2);

	push_v3s16(L, vm->m_area.MinEdge);
	push_v3s16(L, vm->m_area.MaxEdge);

	return 2;
}

int LuaVoxelManip::l_get_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	bool use_buffer  = lua_istable(L, 2);

	MMVManip *vm = o->vm;

	u32 volume = vm->m_area.getVolume();

	if (use_buffer)
		lua_pushvalue(L, 2);
	else
		lua_newtable(L);

	for (u32 i = 0; i != volume; i++) {
		lua_Integer cid = vm->m_data[i].getContent();
		lua_pushinteger(L, cid);
		lua_rawseti(L, -2, i + 1);
	}

	return 1;
}

int LuaVoxelManip::l_set_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	if (!lua_istable(L, 2))
		return 0;

	u32 volume = vm->m_area.getVolume();
	for (u32 i = 0; i != volume; i++) {
		lua_rawgeti(L, 2, i + 1);
		content_t c = lua_tointeger(L, -1);

		vm->m_data[i].setContent(c);

		lua_pop(L, 1);
	}

	return 0;
}

int LuaVoxelManip::l_write_to_map(lua_State *L)
{
	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	vm->blitBackAll(&o->modified_blocks);

	return 0;
}

int LuaVoxelManip::l_get_node_at(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	GET_ENV_PTR;

	LuaVoxelManip *o = checkobject(L, 1);
	v3s16 pos        = check_v3s16(L, 2);

	pushnode(L, o->vm->getNodeNoExNoEmerge(pos), env->getGameDef()->ndef());
	return 1;
}

int LuaVoxelManip::l_set_node_at(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	GET_ENV_PTR;

	LuaVoxelManip *o = checkobject(L, 1);
	v3s16 pos        = check_v3s16(L, 2);
	MapNode n        = readnode(L, 3, env->getGameDef()->ndef());

	o->vm->setNodeNoEmerge(pos, n);

	return 0;
}

int LuaVoxelManip::l_update_liquids(lua_State *L)
{
	GET_ENV_PTR;

	LuaVoxelManip *o = checkobject(L, 1);

	Map *map = &(env->getMap());
	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	MMVManip *vm = o->vm;

	Mapgen mg;
	mg.vm   = vm;
	mg.ndef = ndef;

	mg.updateLiquid(&map->m_transforming_liquid,
			vm->m_area.MinEdge, vm->m_area.MaxEdge);

	return 0;
}

int LuaVoxelManip::l_calc_lighting(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	if (!o->is_mapgen_vm)
		return 0;

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	EmergeManager *emerge = getServer(L)->getEmergeManager();
	MMVManip *vm = o->vm;

	v3s16 yblock = v3s16(0, 1, 0) * MAP_BLOCKSIZE;
	v3s16 fpmin  = vm->m_area.MinEdge;
	v3s16 fpmax  = vm->m_area.MaxEdge;
	v3s16 pmin   = lua_istable(L, 2) ? check_v3s16(L, 2) : fpmin + yblock;
	v3s16 pmax   = lua_istable(L, 3) ? check_v3s16(L, 3) : fpmax - yblock;

	sortBoxVerticies(pmin, pmax);
	if (!vm->m_area.contains(VoxelArea(pmin, pmax)))
		throw LuaError("Specified voxel area out of VoxelManipulator bounds");

	Mapgen mg;
	mg.vm          = vm;
	mg.ndef        = ndef;
	mg.water_level = emerge->params.water_level;

	mg.calcLighting(pmin, pmax, fpmin, fpmax);

	return 0;
}

int LuaVoxelManip::l_set_lighting(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	if (!o->is_mapgen_vm)
		return 0;

	if (!lua_istable(L, 2))
		return 0;

	u8 light;
	light  = (getintfield_default(L, 2, "day",   0) & 0x0F);
	light |= (getintfield_default(L, 2, "night", 0) & 0x0F) << 4;

	MMVManip *vm = o->vm;

	v3s16 yblock = v3s16(0, 1, 0) * MAP_BLOCKSIZE;
	v3s16 pmin = lua_istable(L, 3) ? check_v3s16(L, 3) : vm->m_area.MinEdge + yblock;
	v3s16 pmax = lua_istable(L, 4) ? check_v3s16(L, 4) : vm->m_area.MaxEdge - yblock;

	sortBoxVerticies(pmin, pmax);
	if (!vm->m_area.contains(VoxelArea(pmin, pmax)))
		throw LuaError("Specified voxel area out of VoxelManipulator bounds");

	Mapgen mg;
	mg.vm = vm;

	mg.setLighting(light, pmin, pmax);

	return 0;
}

int LuaVoxelManip::l_get_light_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	u32 volume = vm->m_area.getVolume();

	lua_newtable(L);
	for (u32 i = 0; i != volume; i++) {
		lua_Integer light = vm->m_data[i].param1;
		lua_pushinteger(L, light);
		lua_rawseti(L, -2, i + 1);
	}

	return 1;
}

int LuaVoxelManip::l_set_light_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	if (!lua_istable(L, 2))
		return 0;

	u32 volume = vm->m_area.getVolume();
	for (u32 i = 0; i != volume; i++) {
		lua_rawgeti(L, 2, i + 1);
		u8 light = lua_tointeger(L, -1);

		vm->m_data[i].param1 = light;

		lua_pop(L, 1);
	}

	return 0;
}

int LuaVoxelManip::l_get_param2_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	u32 volume = vm->m_area.getVolume();

	lua_newtable(L);
	for (u32 i = 0; i != volume; i++) {
		lua_Integer param2 = vm->m_data[i].param2;
		lua_pushinteger(L, param2);
		lua_rawseti(L, -2, i + 1);
	}

	return 1;
}

int LuaVoxelManip::l_set_param2_data(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	if (!lua_istable(L, 2))
		return 0;

	u32 volume = vm->m_area.getVolume();
	for (u32 i = 0; i != volume; i++) {
		lua_rawgeti(L, 2, i + 1);
		u8 param2 = lua_tointeger(L, -1);

		vm->m_data[i].param2 = param2;

		lua_pop(L, 1);
	}

	return 0;
}

int LuaVoxelManip::l_update_map(lua_State *L)
{
	LuaVoxelManip *o = checkobject(L, 1);
	if (o->is_mapgen_vm)
		return 0;

	Environment *env = getEnv(L);
	if (!env)
		return 0;

	Map *map = &(env->getMap());

	// TODO: Optimize this by using Mapgen::calcLighting() instead
	std::map<v3s16, MapBlock *> lighting_mblocks;
	std::map<v3s16, MapBlock *> *mblocks = &o->modified_blocks;

	lighting_mblocks.insert(mblocks->begin(), mblocks->end());

	map->updateLighting(lighting_mblocks, *mblocks);

	MapEditEvent event;
	event.type = MEET_OTHER;
	for (std::map<v3s16, MapBlock *>::iterator
		it = mblocks->begin();
		it != mblocks->end(); ++it)
		event.modified_blocks.insert(it->first);

	map->dispatchEvent(&event);

	mblocks->clear();

	return 0;
}

int LuaVoxelManip::l_was_modified(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	LuaVoxelManip *o = checkobject(L, 1);
	MMVManip *vm = o->vm;

	lua_pushboolean(L, vm->m_is_dirty);

	return 1;
}

int LuaVoxelManip::l_get_emerged_area(lua_State *L)
{
	LuaVoxelManip *o = checkobject(L, 1);

	push_v3s16(L, o->vm->m_area.MinEdge);
	push_v3s16(L, o->vm->m_area.MaxEdge);

	return 2;
}

LuaVoxelManip::LuaVoxelManip(MMVManip *mmvm, bool is_mg_vm)
{
	this->vm           = mmvm;
	this->is_mapgen_vm = is_mg_vm;
}

LuaVoxelManip::LuaVoxelManip(Map *map)
{
	this->vm = new MMVManip(map);
	this->is_mapgen_vm = false;
}

LuaVoxelManip::LuaVoxelManip(Map *map, v3s16 p1, v3s16 p2)
{
	this->vm = new MMVManip(map);
	this->is_mapgen_vm = false;

	v3s16 bp1 = getNodeBlockPos(p1);
	v3s16 bp2 = getNodeBlockPos(p2);
	sortBoxVerticies(bp1, bp2);
	vm->initialEmerge(bp1, bp2);
}

LuaVoxelManip::~LuaVoxelManip()
{
	if (!is_mapgen_vm)
		delete vm;
}

// LuaVoxelManip()
// Creates an LuaVoxelManip and leaves it on top of stack
int LuaVoxelManip::create_object(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	Environment *env = getEnv(L);
	if (!env)
		return 0;

	Map *map = &(env->getMap());
	LuaVoxelManip *o = (lua_istable(L, 1) && lua_istable(L, 2)) ?
		new LuaVoxelManip(map, check_v3s16(L, 1), check_v3s16(L, 2)) :
		new LuaVoxelManip(map);

	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
	luaL_getmetatable(L, className);
	lua_setmetatable(L, -2);
	return 1;
}

LuaVoxelManip *LuaVoxelManip::checkobject(lua_State *L, int narg)
{
	NO_MAP_LOCK_REQUIRED;

	luaL_checktype(L, narg, LUA_TUSERDATA);

	void *ud = luaL_checkudata(L, narg, className);
	if (!ud)
		luaL_typerror(L, narg, className);

	return *(LuaVoxelManip **)ud;  // unbox pointer
}

void LuaVoxelManip::Register(lua_State *L)
{
	lua_newtable(L);
	int methodtable = lua_gettop(L);
	luaL_newmetatable(L, className);
	int metatable = lua_gettop(L);

	lua_pushliteral(L, "__metatable");
	lua_pushvalue(L, methodtable);
	lua_settable(L, metatable);  // hide metatable from Lua getmetatable()

	lua_pushliteral(L, "__index");
	lua_pushvalue(L, methodtable);
	lua_settable(L, metatable);

	lua_pushliteral(L, "__gc");
	lua_pushcfunction(L, gc_object);
	lua_settable(L, metatable);

	lua_pop(L, 1);  // drop metatable

	luaL_openlib(L, 0, methods, 0);  // fill methodtable
	lua_pop(L, 1);  // drop methodtable

	// Can be created from Lua (VoxelManip())
	lua_register(L, className, create_object);
}

const char LuaVoxelManip::className[] = "VoxelManip";
const luaL_reg LuaVoxelManip::methods[] = {
	luamethod(LuaVoxelManip, read_from_map),
	luamethod(LuaVoxelManip, get_data),
	luamethod(LuaVoxelManip, set_data),
	luamethod(LuaVoxelManip, get_node_at),
	luamethod(LuaVoxelManip, set_node_at),
	luamethod(LuaVoxelManip, write_to_map),
	luamethod(LuaVoxelManip, update_map),
	luamethod(LuaVoxelManip, update_liquids),
	luamethod(LuaVoxelManip, calc_lighting),
	luamethod(LuaVoxelManip, set_lighting),
	luamethod(LuaVoxelManip, get_light_data),
	luamethod(LuaVoxelManip, set_light_data),
	luamethod(LuaVoxelManip, get_param2_data),
	luamethod(LuaVoxelManip, set_param2_data),
	luamethod(LuaVoxelManip, was_modified),
	luamethod(LuaVoxelManip, get_emerged_area),
	{0,0}
};