aboutsummaryrefslogtreecommitdiff
path: root/src/content_mapblock.cpp
Commit message (Expand)AuthorAge
* Plantlike: Fix visual_scale being applied squared (#5115)Paramat2017-01-28
* Add smooth lighting for all nodesnumber Zero2017-01-24
* Add hardware node coloring. Includes:Dániel Juhász2017-01-23
* Environment & IGameDef code refactoring (#4985)Ner'zhul2017-01-09
* Mapblock_mesh_generate_special: Improve performanceparamat2016-10-04
* Plantlike meshoptions: fix degrotate. (#4512)Auke Kok2016-09-12
* Make plantlike drawtype more funAuke Kok2016-08-26
* Allow nodes to specify which sides to connect to.Auke Kok2016-03-12
* Nodebox: Allow nodeboxes to "connect"Auke Kok2016-03-12
* Remove new_style_waterRealBadAngel2016-02-26
* Cleanup selection mesh code, add shaders for halo and selection boxesRealBadAngel2016-02-08
* Add new ContentParamType2 "CPT2_DEGROTATE"est312015-10-04
* Firelike drawtype: Improve codeparamat2015-09-14
* Change i++ to ++iDavid Jones2015-08-25
* Move globals from main.cpp to more sane locationsCraig Robbins2015-04-01
* Move texture_min_size even further down the pipe. Now, textures are JIT-upsca...Aaron Suen2015-03-31
* Connect rails with connect_to_raillike and shorten the codesSmallJoker2015-03-21
* For usages of assert() that are meant to persist in Release builds (when NDEB...Craig Robbins2015-03-07
* Improve group-based connection between raillike nodesBlockMen2015-03-05
* Replace std::list to std::vector into tile.cpp (m_texture_trash) and move til...Loic Blot2015-03-05
* Fix some rendering glitchesBlockMen2015-03-05
* Fix NDT_GLASSLIKE normalsKahrl2015-01-31
* Fix visual_scale for plantlike nodes (again)Vanessa Ezekowitz2014-12-19
* Fix visual_scale for NDT_PLANTLIKE being set too smallCraig Robbins2014-12-18
* Fix raillike bug (currently manifests itself on Android), and minor improveme...Kodexky2014-11-20
* Fix wallmounted mesh rotationsShadowNinja2014-11-19
* Add option to enable mesh caching, add wallmounted for meshes.RealBadAngel2014-10-29
* Fix broken plantlike drawtype.RealBadAngel2014-10-22
* Recalculate normals for cached meshes.RealBadAngel2014-10-21
* Various uninitialised variable fixesCraig Robbins2014-10-19
* Add meshnode drawtype.RealBadAngel2014-10-18
* Add optional framed glasslike drawtypeBlockMen2014-10-02
* Add firelike drawtypeTriBlade92014-09-21
* Split settings into seperate source and header filesShadowNinja2014-09-21
* Bugfix: don't highlight air nodes.RealBadAngel2014-09-18
* Node highlighting.RealBadAngel2014-09-17
* Pass light sources in blue channel of vertex color instead of decoded light f...RealBadAngel2014-08-21
* Dont display interior of glasslike_framed node when its not defined.RealBadAngel2014-07-24
* Allow full circle rotation with 2degs step for plantlike drawtype.RealBadAngel2014-07-24
* Add rotation for plantlike drawtype.RealBadAngel2014-07-22
* Bugfix in makeCuboid - apply rotations to all faces when 1 tile is given.RealBadAngel2014-07-20
* Fix texture glitches for plants with visual scale > 1.0 (jungle grass).RealBadAngel2014-07-17
* Fix texture hack in fences.RealBadAngel2014-07-17
* Fix flipped textures for drawtype "glasslike"sapier2014-07-16
* Glasslike_framed drawtype rework.RealBadAngel2014-06-29
* Pass pointer to nodedef directly to avoid recalculation in quite often called...sapier2014-04-06
* Fix liquid_rangePilzAdam2013-11-02
* Add support for parameter 'visual_scale' for drawtypes 'signlike' and 'torchl...Sokomine2013-10-14
* Diagonal liquid animationKahrl2013-08-17
* Add liquid_range to nodedefPilzAdam2013-07-20
ref='#n457'>457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735
/*
Minetest
Copyright (C) 2010-2013 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 "string.h"
#include "pointer.h"
#include "numeric.h"
#include "log.h"

#include "hex.h"
#include "../porting.h"

#include <sstream>
#include <iomanip>
#include <map>

#ifndef _WIN32
	#include <iconv.h>
#else
	#define _WIN32_WINNT 0x0501
	#include <windows.h>
#endif

#if defined(_ICONV_H_) && (defined(__FreeBSD__) || defined(__NetBSD__) || \
	defined(__OpenBSD__) || defined(__DragonFly__))
	#define BSD_ICONV_USED
#endif

static bool parseHexColorString(const std::string &value, video::SColor &color);
static bool parseNamedColorString(const std::string &value, video::SColor &color);

#ifndef _WIN32

bool convert(const char *to, const char *from, char *outbuf,
		size_t outbuf_size, char *inbuf, size_t inbuf_size)
{
	iconv_t cd = iconv_open(to, from);

#ifdef BSD_ICONV_USED
	const char *inbuf_ptr = inbuf;
#else
	char *inbuf_ptr = inbuf;
#endif

	char *outbuf_ptr = outbuf;

	size_t *inbuf_left_ptr = &inbuf_size;
	size_t *outbuf_left_ptr = &outbuf_size;

	size_t old_size = inbuf_size;
	while (inbuf_size > 0) {
		iconv(cd, &inbuf_ptr, inbuf_left_ptr, &outbuf_ptr, outbuf_left_ptr);
		if (inbuf_size == old_size) {
			iconv_close(cd);
			return false;
		}
		old_size = inbuf_size;
	}

	iconv_close(cd);
	return true;
}

std::wstring utf8_to_wide(const std::string &input)
{
	size_t inbuf_size = input.length() + 1;
	// maximum possible size, every character is sizeof(wchar_t) bytes
	size_t outbuf_size = (input.length() + 1) * sizeof(wchar_t);

	char *inbuf = new char[inbuf_size];
	memcpy(inbuf, input.c_str(), inbuf_size);
	char *outbuf = new char[outbuf_size];
	memset(outbuf, 0, outbuf_size);

	if (!convert("WCHAR_T", "UTF-8", outbuf, outbuf_size, inbuf, inbuf_size)) {
		infostream << "Couldn't convert UTF-8 string 0x" << hex_encode(input)
			<< " into wstring" << std::endl;
		delete[] inbuf;
		delete[] outbuf;
		return L"<invalid UTF-8 string>";
	}
	std::wstring out((wchar_t *)outbuf);

	delete[] inbuf;
	delete[] outbuf;

	return out;
}

#ifdef __ANDROID__
// TODO: this is an ugly fix for wide_to_utf8 somehow not working on android
std::string wide_to_utf8(const std::wstring &input)
{
	return wide_to_narrow(input);
}
#else
std::string wide_to_utf8(const std::wstring &input)
{
	size_t inbuf_size = (input.length() + 1) * sizeof(wchar_t);
	// maximum possible size: utf-8 encodes codepoints using 1 up to 6 bytes
	size_t outbuf_size = (input.length() + 1) * 6;

	char *inbuf = new char[inbuf_size];
	memcpy(inbuf, input.c_str(), inbuf_size);
	char *outbuf = new char[outbuf_size];
	memset(outbuf, 0, outbuf_size);

	if (!convert("UTF-8", "WCHAR_T", outbuf, outbuf_size, inbuf, inbuf_size)) {
		infostream << "Couldn't convert wstring 0x" << hex_encode(inbuf, inbuf_size)
			<< " into UTF-8 string" << std::endl;
		delete[] inbuf;
		delete[] outbuf;
		return "<invalid wstring>";
	}
	std::string out(outbuf);

	delete[] inbuf;
	delete[] outbuf;

	return out;
}

#endif
#else // _WIN32

std::wstring utf8_to_wide(const std::string &input)
{
	size_t outbuf_size = input.size() + 1;
	wchar_t *outbuf = new wchar_t[outbuf_size];
	memset(outbuf, 0, outbuf_size * sizeof(wchar_t));
	MultiByteToWideChar(CP_UTF8, 0, input.c_str(), input.size(),
		outbuf, outbuf_size);
	std::wstring out(outbuf);
	delete[] outbuf;
	return out;
}

std::string wide_to_utf8(const std::wstring &input)
{
	size_t outbuf_size = (input.size() + 1) * 6;
	char *outbuf = new char[outbuf_size];
	memset(outbuf, 0, outbuf_size);
	WideCharToMultiByte(CP_UTF8, 0, input.c_str(), input.size(),
		outbuf, outbuf_size, NULL, NULL);
	std::string out(outbuf);
	delete[] outbuf;
	return out;
}

#endif // _WIN32

wchar_t *utf8_to_wide_c(const char *str)
{
	std::wstring ret = utf8_to_wide(std::string(str)).c_str();
	size_t len = ret.length();
	wchar_t *ret_c = new wchar_t[len + 1];
	memset(ret_c, 0, (len + 1) * sizeof(wchar_t));
	memcpy(ret_c, ret.c_str(), len * sizeof(wchar_t));
	return ret_c;
}

// You must free the returned string!
// The returned string is allocated using new
wchar_t *narrow_to_wide_c(const char *str)
{
	wchar_t *nstr = NULL;
#if defined(_WIN32)
	int nResult = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, 0, 0);
	if (nResult == 0) {
		errorstream<<"gettext: MultiByteToWideChar returned null"<<std::endl;
	} else {
		nstr = new wchar_t[nResult];
		MultiByteToWideChar(CP_UTF8, 0, (LPCSTR) str, -1, (WCHAR *) nstr, nResult);
	}
#else
	size_t len = strlen(str);
	nstr = new wchar_t[len + 1];

	std::wstring intermediate = narrow_to_wide(str);
	memset(nstr, 0, (len + 1) * sizeof(wchar_t));
	memcpy(nstr, intermediate.c_str(), len * sizeof(wchar_t));
#endif

	return nstr;
}


#ifdef __ANDROID__

const wchar_t* wide_chars =
	L" !\"#$%&'()*+,-./0123456789:;<=>?@"
	L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`"
	L"abcdefghijklmnopqrstuvwxyz{|}~";

int wctomb(char *s, wchar_t wc)
{
	for (unsigned int j = 0; j < (sizeof(wide_chars)/sizeof(wchar_t));j++) {
		if (wc == wide_chars[j]) {
			*s = (char) (j+32);
			return 1;
		}
		else if (wc == L'\n') {
			*s = '\n';
			return 1;
		}
	}
	return -1;
}

int mbtowc(wchar_t *pwc, const char *s, size_t n)
{
	std::wstring intermediate = narrow_to_wide(s);

	if (intermediate.length() > 0) {
		*pwc = intermediate[0];
		return 1;
	}
	else {
		return -1;
	}
}

std::wstring narrow_to_wide(const std::string &mbs) {
	size_t wcl = mbs.size();

	std::wstring retval = L"";

	for (unsigned int i = 0; i < wcl; i++) {
		if (((unsigned char) mbs[i] >31) &&
		 ((unsigned char) mbs[i] < 127)) {

			retval += wide_chars[(unsigned char) mbs[i] -32];
		}
		//handle newline
		else if (mbs[i] == '\n') {
			retval += L'\n';
		}
	}

	return retval;
}

#else // not Android

std::wstring narrow_to_wide(const std::string &mbs)
{
	size_t wcl = mbs.size();
	Buffer<wchar_t> wcs(wcl + 1);
	size_t len = mbstowcs(*wcs, mbs.c_str(), wcl);
	if (len == (size_t)(-1))
		return L"<invalid multibyte string>";
	wcs[len] = 0;
	return *wcs;
}

#endif

#ifdef __ANDROID__

std::string wide_to_narrow(const std::wstring &wcs) {
	size_t mbl = wcs.size()*4;

	std::string retval = "";
	for (unsigned int i = 0; i < wcs.size(); i++) {
		wchar_t char1 = (wchar_t) wcs[i];

		if (char1 == L'\n') {
			retval += '\n';
			continue;
		}

		for (unsigned int j = 0; j < wcslen(wide_chars);j++) {
			wchar_t char2 = (wchar_t) wide_chars[j];

			if (char1 == char2) {
				char toadd = (j+32);
				retval += toadd;
				break;
			}
		}
	}

	return retval;
}

#else // not Android

std::string wide_to_narrow(const std::wstring &wcs)
{
	size_t mbl = wcs.size() * 4;
	SharedBuffer<char> mbs(mbl+1);
	size_t len = wcstombs(*mbs, wcs.c_str(), mbl);
	if (len == (size_t)(-1))
		return "Character conversion failed!";
	else
		mbs[len] = 0;
	return *mbs;
}

#endif

std::string urlencode(std::string str)
{
	// Encodes non-unreserved URI characters by a percent sign
	// followed by two hex digits. See RFC 3986, section 2.3.
	static const char url_hex_chars[] = "0123456789ABCDEF";
	std::ostringstream oss(std::ios::binary);
	for (u32 i = 0; i < str.size(); i++) {
		unsigned char c = str[i];
		if (isalnum(c) || c == '-' || c == '.' || c == '_' || c == '~')
			oss << c;
		else
			oss << "%"
				<< url_hex_chars[(c & 0xf0) >> 4]
				<< url_hex_chars[c & 0x0f];
	}
	return oss.str();
}

std::string urldecode(std::string str)
{
	// Inverse of urlencode
	std::ostringstream oss(std::ios::binary);
	for (u32 i = 0; i < str.size(); i++) {
		unsigned char highvalue, lowvalue;
		if (str[i] == '%' &&
				hex_digit_decode(str[i+1], highvalue) &&
				hex_digit_decode(str[i+2], lowvalue)) {
			oss << (char) ((highvalue << 4) | lowvalue);
			i += 2;
		}
		else
			oss << str[i];
	}
	return oss.str();
}

u32 readFlagString(std::string str, const FlagDesc *flagdesc, u32 *flagmask)
{
	u32 result = 0, mask = 0;
	char *s = &str[0];
	char *flagstr, *strpos = NULL;

	while ((flagstr = strtok_r(s, ",", &strpos))) {
		s = NULL;

		while (*flagstr == ' ' || *flagstr == '\t')
			flagstr++;

		bool flagset = true;
		if (!strncasecmp(flagstr, "no", 2)) {
			flagset = false;
			flagstr += 2;
		}

		for (int i = 0; flagdesc[i].name; i++) {
			if (!strcasecmp(flagstr, flagdesc[i].name)) {
				mask |= flagdesc[i].flag;
				if (flagset)
					result |= flagdesc[i].flag;
				break;
			}
		}
	}

	if (flagmask)
		*flagmask = mask;

	return result;
}

std::string writeFlagString(u32 flags, const FlagDesc *flagdesc, u32 flagmask)
{
	std::string result;

	for (int i = 0; flagdesc[i].name; i++) {
		if (flagmask & flagdesc[i].flag) {
			if (!(flags & flagdesc[i].flag))
				result += "no";

			result += flagdesc[i].name;
			result += ", ";
		}
	}

	size_t len = result.length();
	if (len >= 2)
		result.erase(len - 2, 2);

	return result;
}

size_t mystrlcpy(char *dst, const char *src, size_t size)
{
	size_t srclen  = strlen(src) + 1;
	size_t copylen = MYMIN(srclen, size);

	if (copylen > 0) {
		memcpy(dst, src, copylen);
		dst[copylen - 1] = '\0';
	}

	return srclen;
}

char *mystrtok_r(char *s, const char *sep, char **lasts)
{
	char *t;

	if (!s)
		s = *lasts;

	while (*s && strchr(sep, *s))
		s++;

	if (!*s)
		return NULL;

	t = s;
	while (*t) {
		if (strchr(sep, *t)) {
			*t++ = '\0';
			break;
		}
		t++;
	}

	*lasts = t;
	return s;
}

u64 read_seed(const char *str)
{
	char *endptr;
	u64 num;

	if (str[0] == '0' && str[1] == 'x')
		num = strtoull(str, &endptr, 16);
	else
		num = strtoull(str, &endptr, 10);

	if (*endptr)
		num = murmur_hash_64_ua(str, (int)strlen(str), 0x1337);

	return num;
}

bool parseColorString(const std::string &value, video::SColor &color, bool quiet)
{
	bool success;

	if (value[0] == '#')
		success = parseHexColorString(value, color);
	else
		success = parseNamedColorString(value, color);

	if (!success && !quiet)
		errorstream << "Invalid color: \"" << value << "\"" << std::endl;

	return success;
}

static bool parseHexColorString(const std::string &value, video::SColor &color)
{
	unsigned char components[] = { 0x00, 0x00, 0x00, 0xff }; // R,G,B,A

	if (value[0] != '#')
		return false;

	size_t len = value.size();
	bool short_form;

	if (len == 9 || len == 7) // #RRGGBBAA or #RRGGBB
		short_form = false;
	else if (len == 5 || len == 4) // #RGBA or #RGB
		short_form = true;
	else
		return false;

	bool success = true;

	for (size_t pos = 1, cc = 0; pos < len; pos++, cc++) {
		assert(cc < sizeof components / sizeof components[0]);
		if (short_form) {
			unsigned char d;
			if (!hex_digit_decode(value[pos], d)) {
				success = false;
				break;
			}
			components[cc] = (d & 0xf) << 4 | (d & 0xf);
		} else {
			unsigned char d1, d2;
			if (!hex_digit_decode(value[pos], d1) ||
					!hex_digit_decode(value[pos+1], d2)) {
				success = false;
				break;
			}
			components[cc] = (d1 & 0xf) << 4 | (d2 & 0xf);
			pos++;	// skip the second digit -- it's already used
		}
	}

	if (success) {
		color.setRed(components[0]);
		color.setGreen(components[1]);
		color.setBlue(components[2]);
		color.setAlpha(components[3]);
	}

	return success;
}

struct ColorContainer {
	ColorContainer();
	std::map<const std::string, u32> colors;
};

ColorContainer::ColorContainer()
{
	colors["aliceblue"]              = 0xf0f8ff;
	colors["antiquewhite"]           = 0xfaebd7;
	colors["aqua"]                   = 0x00ffff;
	colors["aquamarine"]             = 0x7fffd4;
	colors["azure"]                  = 0xf0ffff;
	colors["beige"]                  = 0xf5f5dc;
	colors["bisque"]                 = 0xffe4c4;
	colors["black"]                  = 00000000;
	colors["blanchedalmond"]         = 0xffebcd;
	colors["blue"]                   = 0x0000ff;
	colors["blueviolet"]             = 0x8a2be2;
	colors["brown"]                  = 0xa52a2a;
	colors["burlywood"]              = 0xdeb887;
	colors["cadetblue"]              = 0x5f9ea0;
	colors["chartreuse"]             = 0x7fff00;
	colors["chocolate"]              = 0xd2691e;
	colors["coral"]                  = 0xff7f50;
	colors["cornflowerblue"]         = 0x6495ed;
	colors["cornsilk"]               = 0xfff8dc;
	colors["crimson"]                = 0xdc143c;
	colors["cyan"]                   = 0x00ffff;
	colors["darkblue"]               = 0x00008b;
	colors["darkcyan"]               = 0x008b8b;
	colors["darkgoldenrod"]          = 0xb8860b;
	colors["darkgray"]               = 0xa9a9a9;
	colors["darkgreen"]              = 0x006400;
	colors["darkkhaki"]              = 0xbdb76b;
	colors["darkmagenta"]            = 0x8b008b;
	colors["darkolivegreen"]         = 0x556b2f;
	colors["darkorange"]             = 0xff8c00;
	colors["darkorchid"]             = 0x9932cc;
	colors["darkred"]                = 0x8b0000;
	colors["darksalmon"]             = 0xe9967a;
	colors["darkseagreen"]           = 0x8fbc8f;
	colors["darkslateblue"]          = 0x483d8b;
	colors["darkslategray"]          = 0x2f4f4f;
	colors["darkturquoise"]          = 0x00ced1;
	colors["darkviolet"]             = 0x9400d3;
	colors["deeppink"]               = 0xff1493;
	colors["deepskyblue"]            = 0x00bfff;
	colors["dimgray"]                = 0x696969;
	colors["dodgerblue"]             = 0x1e90ff;
	colors["firebrick"]              = 0xb22222;
	colors["floralwhite"]            = 0xfffaf0;
	colors["forestgreen"]            = 0x228b22;
	colors["fuchsia"]                = 0xff00ff;
	colors["gainsboro"]              = 0xdcdcdc;
	colors["ghostwhite"]             = 0xf8f8ff;
	colors["gold"]                   = 0xffd700;
	colors["goldenrod"]              = 0xdaa520;
	colors["gray"]                   = 0x808080;
	colors["green"]                  = 0x008000;
	colors["greenyellow"]            = 0xadff2f;
	colors["honeydew"]               = 0xf0fff0;
	colors["hotpink"]                = 0xff69b4;
	colors["indianred"]              = 0xcd5c5c;
	colors["indigo"]                 = 0x4b0082;
	colors["ivory"]                  = 0xfffff0;
	colors["khaki"]                  = 0xf0e68c;
	colors["lavender"]               = 0xe6e6fa;
	colors["lavenderblush"]          = 0xfff0f5;
	colors["lawngreen"]              = 0x7cfc00;
	colors["lemonchiffon"]           = 0xfffacd;
	colors["lightblue"]              = 0xadd8e6;
	colors["lightcoral"]             = 0xf08080;
	colors["lightcyan"]              = 0xe0ffff;
	colors["lightgoldenrodyellow"]   = 0xfafad2;
	colors["lightgray"]              = 0xd3d3d3;
	colors["lightgreen"]             = 0x90ee90;
	colors["lightpink"]              = 0xffb6c1;
	colors["lightsalmon"]            = 0xffa07a;
	colors["lightseagreen"]          = 0x20b2aa;
	colors["lightskyblue"]           = 0x87cefa;
	colors["lightslategray"]         = 0x778899;
	colors["lightsteelblue"]         = 0xb0c4de;
	colors["lightyellow"]            = 0xffffe0;
	colors["lime"]                   = 0x00ff00;
	colors["limegreen"]              = 0x32cd32;
	colors["linen"]                  = 0xfaf0e6;
	colors["magenta"]                = 0xff00ff;
	colors["maroon"]                 = 0x800000;
	colors["mediumaquamarine"]       = 0x66cdaa;
	colors["mediumblue"]             = 0x0000cd;
	colors["mediumorchid"]           = 0xba55d3;
	colors["mediumpurple"]           = 0x9370db;
	colors["mediumseagreen"]         = 0x3cb371;
	colors["mediumslateblue"]        = 0x7b68ee;
	colors["mediumspringgreen"]      = 0x00fa9a;
	colors["mediumturquoise"]        = 0x48d1cc;
	colors["mediumvioletred"]        = 0xc71585;
	colors["midnightblue"]           = 0x191970;
	colors["mintcream"]              = 0xf5fffa;
	colors["mistyrose"]              = 0xffe4e1;
	colors["moccasin"]               = 0xffe4b5;
	colors["navajowhite"]            = 0xffdead;
	colors["navy"]                   = 0x000080;
	colors["oldlace"]                = 0xfdf5e6;
	colors["olive"]                  = 0x808000;
	colors["olivedrab"]              = 0x6b8e23;
	colors["orange"]                 = 0xffa500;
	colors["orangered"]              = 0xff4500;
	colors["orchid"]                 = 0xda70d6;
	colors["palegoldenrod"]          = 0xeee8aa;
	colors["palegreen"]              = 0x98fb98;
	colors["paleturquoise"]          = 0xafeeee;
	colors["palevioletred"]          = 0xdb7093;
	colors["papayawhip"]             = 0xffefd5;
	colors["peachpuff"]              = 0xffdab9;
	colors["peru"]                   = 0xcd853f;
	colors["pink"]                   = 0xffc0cb;
	colors["plum"]                   = 0xdda0dd;
	colors["powderblue"]             = 0xb0e0e6;
	colors["purple"]                 = 0x800080;
	colors["red"]                    = 0xff0000;
	colors["rosybrown"]              = 0xbc8f8f;
	colors["royalblue"]              = 0x4169e1;
	colors["saddlebrown"]            = 0x8b4513;
	colors["salmon"]                 = 0xfa8072;
	colors["sandybrown"]             = 0xf4a460;
	colors["seagreen"]               = 0x2e8b57;
	colors["seashell"]               = 0xfff5ee;
	colors["sienna"]                 = 0xa0522d;
	colors["silver"]                 = 0xc0c0c0;
	colors["skyblue"]                = 0x87ceeb;
	colors["slateblue"]              = 0x6a5acd;
	colors["slategray"]              = 0x708090;
	colors["snow"]                   = 0xfffafa;
	colors["springgreen"]            = 0x00ff7f;
	colors["steelblue"]              = 0x4682b4;
	colors["tan"]                    = 0xd2b48c;
	colors["teal"]                   = 0x008080;
	colors["thistle"]                = 0xd8bfd8;
	colors["tomato"]                 = 0xff6347;
	colors["turquoise"]              = 0x40e0d0;
	colors["violet"]                 = 0xee82ee;
	colors["wheat"]                  = 0xf5deb3;
	colors["white"]                  = 0xffffff;
	colors["whitesmoke"]             = 0xf5f5f5;
	colors["yellow"]                 = 0xffff00;
	colors["yellowgreen"]            = 0x9acd32;

}

static const ColorContainer named_colors;

static bool parseNamedColorString(const std::string &value, video::SColor &color)
{
	std::string color_name;
	std::string alpha_string;

	/* If the string has a # in it, assume this is the start of a specified
	 * alpha value (if it isn't the string is invalid and the error will be
	 * caught later on, either because the color name won't be found or the
	 * alpha value will fail conversion)
	 */
	size_t alpha_pos = value.find('#');
	if (alpha_pos != std::string::npos) {
		color_name = value.substr(0, alpha_pos);
		alpha_string = value.substr(alpha_pos + 1);
	} else {
		color_name = value;
	}

	color_name = lowercase(value);

	std::map<const std::string, unsigned>::const_iterator it;
	it = named_colors.colors.find(color_name);
	if (it == named_colors.colors.end())
		return false;

	u32 color_temp = it->second;

	/* An empty string for alpha is ok (none of the color table entries
	 * have an alpha value either). Color strings without an alpha specified
	 * are interpreted as fully opaque
	 *
	 * For named colors the supplied alpha string (representing a hex value)
	 * must be exactly two digits. For example:  colorname#08
	 */
	if (!alpha_string.empty()) {
		if (alpha_string.length() != 2)
			return false;

		unsigned char d1, d2;
		if (!hex_digit_decode(alpha_string.at(0), d1)
				|| !hex_digit_decode(alpha_string.at(1), d2))
			return false;
		color_temp |= ((d1 & 0xf) << 4 | (d2 & 0xf)) << 24;
	} else {
		color_temp |= 0xff << 24;  // Fully opaque
	}

	color = video::SColor(color_temp);

	return true;
}

void str_replace(std::string &str, char from, char to)
{
	std::replace(str.begin(), str.end(), from, to);
}