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Commit message (Expand)AuthorAge
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* Mainmenu: Unify favorite servers with main serverlistkilbith2016-04-20
* falling: walk 4 additional diagonally down directions.Auke Kok2016-04-20
* Mainmenu: Still support favorites if send_pre_v25_init is disabledest312016-04-15
* mainmenu: Tidy up logic in is_server_protocol_compat() (#3997)SmallJoker2016-04-15
* Add option to disable entity selectionboxes. (#3992)TriBlade92016-04-14
* Convert nodeupdate to non-recursiveAuke Kok2016-04-11
* Mainmenu: Refactor tab UI codeRui9142016-04-08
* Mainmenu: Move description.txt textbox downRui9142016-03-31
* Mgv7: Decrease cliff steepnessparamat2016-03-30
* stop falling.lua errortenplus12016-03-29
* Falling: Set acceleration on step againRui2016-03-25
* Credits: Make that easy to add/removeRui2016-03-24
* Make `options` local here.Auke Kok2016-03-24
* Builtin/game/falling: Re-add comma removed by recent commitparamat2016-03-19
* Set acceleration only once in falling nodeRui9142016-03-19
* Allow NodeTimer, ABM and block mgmt interval changes.Auke Kok2016-03-19
* Add option to not send pre v25 init packetest312016-03-15
* Add options for screenshot format and qualityDiego Martinez2016-03-12
* Documentation: Clarify global and mapgen-specific mapgen flagsparamat2016-03-11
* Introduce "protection_bypass" privilege.Auke Kok2016-03-11
* Add consistent monotonic day counter - get_day_count()Auke Kok2016-03-09
* Add AreaStore custom ID APIShadowNinja2016-03-07
* Add minetest.register_lbm() to run code on block load onlyest312016-03-07
* Settings Tab: Regroup dropdown datas in tablesJean-Patrick Guerrero2016-03-06
* Faster insertion into tableRui9142016-03-06
* Add forgotten valleys mapgen in mapgen nameMuhammad Rifqi Priyo Susanto2016-03-05
* Update settings tab + some misc. clean-upJean-Patrick Guerrero2016-03-05
* Don't generate trailing spaces in minetest.conf.exampleest312016-02-27
* Mapblock mesh: Allow to use VBORealBadAngel2016-02-26
* Remove new_style_waterRealBadAngel2016-02-26
* Add Lua interface to HTTPFetchRequestJeija2016-02-22
* Camera: remove auto tune FPS, single view range settingRealBadAngel2016-02-21
* Remove preload_item_visuals codeRealBadAngel2016-02-21
* Restore simple settings tab and add advanced settings as dialogBlockMen2016-02-21
* Documentation: Remove now unused 'vertical spawn range'paramat2016-02-11
* Initialize facedir and wallmounted tables only once.Diego Martinez2016-02-11
* Log /clearobjects modeKahrl2016-02-11
* Add '/clearobjects quick'Kahrl2016-02-11
* Filmic HDR tone mappingRealBadAngel2016-02-09
* Cleanup selection mesh code, add shaders for halo and selection boxesRealBadAngel2016-02-08
* builtin: Fix `print` crashing on nil "holes".Diego Martinez2016-02-08
* Use meshes to display inventory itemsRealBadAngel2016-02-07
* Add admin command which says who the administator is for the server.Splizard2016-02-04
* Mgvalleys: use standard cavesDuane Robertson2016-01-31
* New timer design.Auke Kok2016-01-29
* Fix world config menu ignoring `name` in `mod.conf`.Diego Martinez2016-01-23
* Show infotext with description for item entitiesRealBadAngel2016-01-18
* Fix error message in settings tab overlapping 'save' buttonRogier2016-01-16
* Add Valleys mapgen.Duane Robertson2016-01-14
* Mgflat: Set blank default spflags. Unhideparamat2016-01-10
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-22 19:08:59 +0000
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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.
*/

extern "C" {
#include "lua.h"
#include "lauxlib.h"
}

#include "util/numeric.h"
#include "util/serialize.h"
#include "util/string.h"
#include "common/c_converter.h"
#include "common/c_internal.h"
#include "constants.h"


#define CHECK_TYPE(index, name, type) { \
		int t = lua_type(L, (index)); \
		if (t != (type)) { \
			std::string traceback = script_get_backtrace(L); \
			throw LuaError(std::string("Invalid ") + (name) + \
				" (expected " + lua_typename(L, (type)) + \
				" got " + lua_typename(L, t) + ").\n" + traceback); \
		} \
	}
#define CHECK_POS_COORD(name) CHECK_TYPE(-1, "position coordinate '" name "'", LUA_TNUMBER)
#define CHECK_FLOAT_RANGE(value, name) \
if (value < F1000_MIN || value > F1000_MAX) { \
	std::ostringstream error_text; \
	error_text << "Invalid float vector dimension range '" name "' " << \
	"(expected " << F1000_MIN << " < " name " < " << F1000_MAX << \
	" got " << value << ")." << std::endl; \
	throw LuaError(error_text.str()); \
}
#define CHECK_POS_TAB(index) CHECK_TYPE(index, "position", LUA_TTABLE)


void push_float_string(lua_State *L, float value)
{
	std::stringstream ss;
	std::string str;
	ss << value;
	str = ss.str();
	lua_pushstring(L, str.c_str());
}

void push_v3f(lua_State *L, v3f p)
{
	lua_newtable(L);
	lua_pushnumber(L, p.X);
	lua_setfield(L, -2, "x");
	lua_pushnumber(L, p.Y);
	lua_setfield(L, -2, "y");
	lua_pushnumber(L, p.Z);
	lua_setfield(L, -2, "z");
}

void push_v2f(lua_State *L, v2f p)
{
	lua_newtable(L);
	lua_pushnumber(L, p.X);
	lua_setfield(L, -2, "x");
	lua_pushnumber(L, p.Y);
	lua_setfield(L, -2, "y");
}

void push_v3_float_string(lua_State *L, v3f p)
{
	lua_newtable(L);
	push_float_string(L, p.X);
	lua_setfield(L, -2, "x");
	push_float_string(L, p.Y);
	lua_setfield(L, -2, "y");
	push_float_string(L, p.Z);
	lua_setfield(L, -2, "z");
}

void push_v2_float_string(lua_State *L, v2f p)
{
	lua_newtable(L);
	push_float_string(L, p.X);
	lua_setfield(L, -2, "x");
	push_float_string(L, p.Y);
	lua_setfield(L, -2, "y");
}

v2s16 read_v2s16(lua_State *L, int index)
{
	v2s16 p;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	p.X = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	p.Y = lua_tonumber(L, -1);
	lua_pop(L, 1);
	return p;
}

void push_v2s16(lua_State *L, v2s16 p)
{
	lua_newtable(L);
	lua_pushnumber(L, p.X);
	lua_setfield(L, -2, "x");
	lua_pushnumber(L, p.Y);
	lua_setfield(L, -2, "y");
}

void push_v2s32(lua_State *L, v2s32 p)
{
	lua_newtable(L);
	lua_pushnumber(L, p.X);
	lua_setfield(L, -2, "x");
	lua_pushnumber(L, p.Y);
	lua_setfield(L, -2, "y");
}

v2s32 read_v2s32(lua_State *L, int index)
{
	v2s32 p;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	p.X = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	p.Y = lua_tonumber(L, -1);
	lua_pop(L, 1);
	return p;
}

v2f read_v2f(lua_State *L, int index)
{
	v2f p;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	p.X = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	p.Y = lua_tonumber(L, -1);
	lua_pop(L, 1);
	return p;
}

v2f check_v2f(lua_State *L, int index)
{
	v2f p;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	CHECK_POS_COORD("x");
	p.X = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	CHECK_POS_COORD("y");
	p.Y = lua_tonumber(L, -1);
	lua_pop(L, 1);
	return p;
}

v3f read_v3f(lua_State *L, int index)
{
	v3f pos;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	pos.X = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	pos.Y = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "z");
	pos.Z = lua_tonumber(L, -1);
	lua_pop(L, 1);
	return pos;
}

v3f check_v3f(lua_State *L, int index)
{
	v3f pos;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	CHECK_POS_COORD("x");
	pos.X = lua_tonumber(L, -1);
	CHECK_FLOAT_RANGE(pos.X, "x")
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	CHECK_POS_COORD("y");
	pos.Y = lua_tonumber(L, -1);
	CHECK_FLOAT_RANGE(pos.Y, "y")
	lua_pop(L, 1);
	lua_getfield(L, index, "z");
	CHECK_POS_COORD("z");
	pos.Z = lua_tonumber(L, -1);
	CHECK_FLOAT_RANGE(pos.Z, "z")
	lua_pop(L, 1);
	return pos;
}

v3d read_v3d(lua_State *L, int index)
{
	v3d pos;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	pos.X = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	pos.Y = lua_tonumber(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, index, "z");
	pos.Z = lua_tonumber(L, -1);
	lua_pop(L, 1);
	return pos;
}

v3d check_v3d(lua_State *L, int index)
{
	v3d pos;
	CHECK_POS_TAB(index);
	lua_getfield(L, index, "x");
	CHECK_POS_COORD("x");
	pos.X = lua_tonumber(L, -1);
	CHECK_FLOAT_RANGE(pos.X, "x")
	lua_pop(L, 1);
	lua_getfield(L, index, "y");
	CHECK_POS_COORD("y");
	pos.Y = lua_tonumber(L, -1);
	CHECK_FLOAT_RANGE(pos.Y, "y")
	lua_pop(L, 1);
	lua_getfield(L, index, "z");
	CHECK_POS_COORD("z");
	pos.Z = lua_tonumber(L, -1);
	CHECK_FLOAT_RANGE(pos.Z, "z")
	lua_pop(L, 1);
	return pos;
}

void push_ARGB8(lua_State *L, video::SColor color)
{
	lua_newtable(L);
	lua_pushnumber(L, color.getAlpha());
	lua_setfield(L, -2, "a");
	lua_pushnumber(L, color.getRed());
	lua_setfield(L, -2, "r");
	lua_pushnumber(L, color.getGreen());
	lua_setfield(L, -2, "g");
	lua_pushnumber(L, color.getBlue());
	lua_setfield(L, -2, "b");
}

void pushFloatPos(lua_State *L, v3f p)
{
	p /= BS;
	push_v3f(L, p);
}

v3f checkFloatPos(lua_State *L, int index)
{
	return check_v3f(L, index) * BS;
}

void push_v3s16(lua_State *L, v3s16 p)
{
	lua_newtable(L);
	lua_pushnumber(L, p.X);
	lua_setfield(L, -2, "x");
	lua_pushnumber(L, p.Y);
	lua_setfield(L, -2, "y");
	lua_pushnumber(L, p.Z);
	lua_setfield(L, -2, "z");
}

v3s16 read_v3s16(lua_State *L, int index)
{
	// Correct rounding at <0
	v3d pf = read_v3d(L, index);
	return doubleToInt(pf, 1.0);
}

v3s16 check_v3s16(lua_State *L, int index)
{
	// Correct rounding at <0
	v3d pf = check_v3d(L, index);
	return doubleToInt(pf, 1.0);
}

bool read_color(lua_State *L, int index, video::SColor *color)
{
	if (lua_istable(L, index)) {
		*color = read_ARGB8(L, index);
	} else if (lua_isnumber(L, index)) {
		color->set(lua_tonumber(L, index));
	} else if (lua_isstring(L, index)) {
		video::SColor parsed_color;
		if (!parseColorString(lua_tostring(L, index), parsed_color, true))
			return false;

		*color = parsed_color;
	} else {
		return false;
	}

	return true;
}

video::SColor read_ARGB8(lua_State *L, int index)
{
	video::SColor color(0);
	CHECK_TYPE(index, "ARGB color", LUA_TTABLE);
	lua_getfield(L, index, "a");
	color.setAlpha(lua_isnumber(L, -1) ? lua_tonumber(L, -1) : 0xFF);
	lua_pop(L, 1);
	lua_getfield(L, index, "r");
	color.setRed(lua_tonumber(L, -1));
	lua_pop(L, 1);
	lua_getfield(L, index, "g");
	color.setGreen(lua_tonumber(L, -1));
	lua_pop(L, 1);
	lua_getfield(L, index, "b");
	color.setBlue(lua_tonumber(L, -1));
	lua_pop(L, 1);
	return color;
}

aabb3f read_aabb3f(lua_State *L, int index, f32 scale)
{
	aabb3f box;
	if(lua_istable(L, index)){
		lua_rawgeti(L, index, 1);
		box.MinEdge.X = lua_tonumber(L, -1) * scale;
		lua_pop(L, 1);
		lua_rawgeti(L, index, 2);
		box.MinEdge.Y = lua_tonumber(L, -1) * scale;
		lua_pop(L, 1);
		lua_rawgeti(L, index, 3);
		box.MinEdge.Z = lua_tonumber(L, -1) * scale;
		lua_pop(L, 1);
		lua_rawgeti(L, index, 4);
		box.MaxEdge.X = lua_tonumber(L, -1) * scale;
		lua_pop(L, 1);
		lua_rawgeti(L, index, 5);
		box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
		lua_pop(L, 1);
		lua_rawgeti(L, index, 6);
		box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
		lua_pop(L, 1);
	}
	box.repair();
	return box;
}

void push_aabb3f(lua_State *L, aabb3f box)
{
	lua_newtable(L);
	lua_pushnumber(L, box.MinEdge.X);
	lua_rawseti(L, -2, 1);
	lua_pushnumber(L, box.MinEdge.Y);
	lua_rawseti(L, -2, 2);
	lua_pushnumber(L, box.MinEdge.Z);
	lua_rawseti(L, -2, 3);
	lua_pushnumber(L, box.MaxEdge.X);
	lua_rawseti(L, -2, 4);
	lua_pushnumber(L, box.MaxEdge.Y);
	lua_rawseti(L, -2, 5);
	lua_pushnumber(L, box.MaxEdge.Z);
	lua_rawseti(L, -2, 6);
}

std::vector<aabb3f> read_aabb3f_vector(lua_State *L, int index, f32 scale)
{
	std::vector<aabb3f> boxes;
	if(lua_istable(L, index)){
		int n = lua_objlen(L, index);
		// Check if it's a single box or a list of boxes
		bool possibly_single_box = (n == 6);
		for(int i = 1; i <= n && possibly_single_box; i++){
			lua_rawgeti(L, index, i);
			if(!lua_isnumber(L, -1))
				possibly_single_box = false;
			lua_pop(L, 1);
		}
		if(possibly_single_box){
			// Read a single box
			boxes.push_back(read_aabb3f(L, index, scale));
		} else {
			// Read a list of boxes
			for(int i = 1; i <= n; i++){
				lua_rawgeti(L, index, i);
				boxes.push_back(read_aabb3f(L, -1, scale));
				lua_pop(L, 1);
			}
		}
	}
	return boxes;
}

size_t read_stringlist(lua_State *L, int index, std::vector<std::string> *result)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	size_t num_strings = 0;

	if (lua_istable(L, index)) {
		lua_pushnil(L);
		while (lua_next(L, index)) {
			if (lua_isstring(L, -1)) {
				result->push_back(lua_tostring(L, -1));
				num_strings++;
			}
			lua_pop(L, 1);
		}
	} else if (lua_isstring(L, index)) {
		result->push_back(lua_tostring(L, index));
		num_strings++;
	}

	return num_strings;
}

/*
	Table field getters
*/

bool getstringfield(lua_State *L, int table,
		const char *fieldname, std::string &result)
{
	lua_getfield(L, table, fieldname);
	bool got = false;
	if(lua_isstring(L, -1)){
		size_t len = 0;
		const char *ptr = lua_tolstring(L, -1, &len);
		if (ptr) {
			result.assign(ptr, len);
			got = true;
		}
	}
	lua_pop(L, 1);
	return got;
}

bool getfloatfield(lua_State *L, int table,
		const char *fieldname, float &result)
{
	lua_getfield(L, table, fieldname);
	bool got = false;
	if(lua_isnumber(L, -1)){
		result = lua_tonumber(L, -1);
		got = true;
	}
	lua_pop(L, 1);
	return got;
}

bool getboolfield(lua_State *L, int table,
		const char *fieldname, bool &result)
{
	lua_getfield(L, table, fieldname);
	bool got = false;
	if(lua_isboolean(L, -1)){
		result = lua_toboolean(L, -1);
		got = true;
	}
	lua_pop(L, 1);
	return got;
}

size_t getstringlistfield(lua_State *L, int table, const char *fieldname,
		std::vector<std::string> *result)
{
	lua_getfield(L, table, fieldname);

	size_t num_strings_read = read_stringlist(L, -1, result);

	lua_pop(L, 1);
	return num_strings_read;
}

std::string checkstringfield(lua_State *L, int table,
		const char *fieldname)
{
	lua_getfield(L, table, fieldname);
	CHECK_TYPE(-1, std::string("field \"") + fieldname + '"', LUA_TSTRING);
	size_t len;
	const char *s = lua_tolstring(L, -1, &len);
	lua_pop(L, 1);
	return std::string(s, len);
}

std::string getstringfield_default(lua_State *L, int table,
		const char *fieldname, const std::string &default_)
{
	std::string result = default_;
	getstringfield(L, table, fieldname, result);
	return result;
}

int getintfield_default(lua_State *L, int table,
		const char *fieldname, int default_)
{
	int result = default_;
	getintfield(L, table, fieldname, result);
	return result;
}

float getfloatfield_default(lua_State *L, int table,
		const char *fieldname, float default_)
{
	float result = default_;
	getfloatfield(L, table, fieldname, result);
	return result;
}

bool getboolfield_default(lua_State *L, int table,
		const char *fieldname, bool default_)
{
	bool result = default_;
	getboolfield(L, table, fieldname, result);
	return result;
}

v3s16 getv3s16field_default(lua_State *L, int table,
		const char *fieldname, v3s16 default_)
{
	getv3intfield(L, table, fieldname, default_);
	return default_;
}

void setstringfield(lua_State *L, int table,
		const char *fieldname, const std::string &value)
{
	lua_pushlstring(L, value.c_str(), value.length());
	if(table < 0)
		table -= 1;
	lua_setfield(L, table, fieldname);
}

void setintfield(lua_State *L, int table,
		const char *fieldname, int value)
{
	lua_pushinteger(L, value);
	if(table < 0)
		table -= 1;
	lua_setfield(L, table, fieldname);
}

void setfloatfield(lua_State *L, int table,
		const char *fieldname, float value)
{
	lua_pushnumber(L, value);
	if(table < 0)
		table -= 1;
	lua_setfield(L, table, fieldname);
}

void setboolfield(lua_State *L, int table,
		const char *fieldname, bool value)
{
	lua_pushboolean(L, value);
	if(table < 0)
		table -= 1;
	lua_setfield(L, table, fieldname);
}


////
//// Array table slices
////

size_t write_array_slice_float(
	lua_State *L,
	int table_index,
	float *data,
	v3u16 data_size,
	v3u16 slice_offset,
	v3u16 slice_size)
{
	v3u16 pmin, pmax(data_size);

	if (slice_offset.X > 0) {
		slice_offset.X--;
		pmin.X = slice_offset.X;
		pmax.X = MYMIN(slice_offset.X + slice_size.X, data_size.X);
	}

	if (slice_offset.Y > 0) {
		slice_offset.Y--;
		pmin.Y = slice_offset.Y;
		pmax.Y = MYMIN(slice_offset.Y + slice_size.Y, data_size.Y);
	}

	if (slice_offset.Z > 0) {
		slice_offset.Z--;
		pmin.Z = slice_offset.Z;
		pmax.Z = MYMIN(slice_offset.Z + slice_size.Z, data_size.Z);
	}

	const u32 ystride = data_size.X;
	const u32 zstride = data_size.X * data_size.Y;

	u32 elem_index = 1;
	for (u32 z = pmin.Z; z != pmax.Z; z++)
	for (u32 y = pmin.Y; y != pmax.Y; y++)
	for (u32 x = pmin.X; x != pmax.X; x++) {
		u32 i = z * zstride + y * ystride + x;
		lua_pushnumber(L, data[i]);
		lua_rawseti(L, table_index, elem_index);
		elem_index++;
	}

	return elem_index - 1;
}


size_t write_array_slice_u16(
	lua_State *L,
	int table_index,
	u16 *data,
	v3u16 data_size,
	v3u16 slice_offset,
	v3u16 slice_size)
{
	v3u16 pmin, pmax(data_size);

	if (slice_offset.X > 0) {
		slice_offset.X--;
		pmin.X = slice_offset.X;
		pmax.X = MYMIN(slice_offset.X + slice_size.X, data_size.X);
	}

	if (slice_offset.Y > 0) {
		slice_offset.Y--;
		pmin.Y = slice_offset.Y;
		pmax.Y = MYMIN(slice_offset.Y + slice_size.Y, data_size.Y);
	}

	if (slice_offset.Z > 0) {
		slice_offset.Z--;
		pmin.Z = slice_offset.Z;
		pmax.Z = MYMIN(slice_offset.Z + slice_size.Z, data_size.Z);
	}

	const u32 ystride = data_size.X;
	const u32 zstride = data_size.X * data_size.Y;

	u32 elem_index = 1;
	for (u32 z = pmin.Z; z != pmax.Z; z++)
	for (u32 y = pmin.Y; y != pmax.Y; y++)
	for (u32 x = pmin.X; x != pmax.X; x++) {
		u32 i = z * zstride + y * ystride + x;
		lua_pushinteger(L, data[i]);
		lua_rawseti(L, table_index, elem_index);
		elem_index++;
	}

	return elem_index - 1;
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-22 19:08:58 +0000