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path: root/src/guiMessageMenu.cpp
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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 "guiMessageMenu.h"
#include "debug.h"
#include "serialization.h"
#include <string>
#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>

#include "gettext.h"

GUIMessageMenu::GUIMessageMenu(gui::IGUIEnvironment* env,
		gui::IGUIElement* parent, s32 id,
		IMenuManager *menumgr,
		std::wstring message_text
):
	GUIModalMenu(env, parent, id, menumgr),
	m_message_text(message_text),
	m_status(false)
{
}

GUIMessageMenu::~GUIMessageMenu()
{
	removeChildren();
}

void GUIMessageMenu::removeChildren()
{
	{
		gui::IGUIElement *e = getElementFromId(256);
		if(e != NULL)
			e->remove();
	}
	{
		gui::IGUIElement *e = getElementFromId(257);
		if(e != NULL)
			e->remove();
	}
}

void GUIMessageMenu::regenerateGui(v2u32 screensize)
{
	/*
		Remove stuff
	*/
	removeChildren();
	
	/*
		Calculate new sizes and positions
	*/
	core::rect<s32> rect(
			screensize.X/2 - 580/2,
			screensize.Y/2 - 300/2,
			screensize.X/2 + 580/2,
			screensize.Y/2 + 300/2
	);
	
	DesiredRect = rect;
	recalculateAbsolutePosition(false);

	v2s32 size = rect.getSize();

	gui::IGUISkin *skin = Environment->getSkin();
	gui::IGUIFont *font = skin->getFont();
	s32 msg_h = font->getDimension(m_message_text.c_str()).Height;
	s32 msg_w = font->getDimension(m_message_text.c_str()).Width;
	if(msg_h > 200)
		msg_h = 200;
	if(msg_w > 540)
		msg_w = 540;

	/*
		Add stuff
	*/
	{
		core::rect<s32> rect(0, 0, msg_w, msg_h);
		rect += v2s32(size.X/2-msg_w/2, size.Y/2-30/2 - msg_h/2);
		Environment->addStaticText(m_message_text.c_str(),
			rect, false, true, this, -1);
	}

	int bw = 140;
	{
		core::rect<s32> rect(0, 0, bw, 30);
		rect = rect + v2s32(size.X/2-bw/2, size.Y/2-30/2+5 + msg_h/2);
		wchar_t* text = wgettext("Proceed");
		gui::IGUIElement *e = 
		Environment->addButton(rect, this, 257,
			text);
		Environment->setFocus(e);
		delete[] text;
	}
}

void GUIMessageMenu::drawMenu()
{
	gui::IGUISkin* skin = Environment->getSkin();
	if (!skin)
		return;
	video::IVideoDriver* driver = Environment->getVideoDriver();
	
	video::SColor bgcolor(140,0,0,0);
	driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);

	gui::IGUIElement::draw();
}

bool GUIMessageMenu::OnEvent(const SEvent& event)
{
	if(event.EventType==EET_KEY_INPUT_EVENT)
	{
		if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
		{
			m_status = true;
			quitMenu();
			return true;
		}
		if(event.KeyInput.Key==KEY_RETURN && event.KeyInput.PressedDown)
		{
			m_status = true;
			quitMenu();
			return true;
		}
	}
	if(event.EventType==EET_GUI_EVENT)
	{
		if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
				&& isVisible())
		{
			if(!canTakeFocus(event.GUIEvent.Element))
			{
				dstream<<"GUIMessageMenu: Not allowing focus change."
						<<std::endl;
				// Returning true disables focus change
				return true;
			}
		}
		if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
		{
			switch(event.GUIEvent.Caller->getID())
			{
			case 257:
				m_status = true;
				quitMenu();
				return true;
			}
		}
	}

	return Parent ? Parent->OnEvent(event) : false;
}

='#n741'>741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078
/*
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 "craftdef.h"

#include "irrlichttypes.h"
#include "log.h"
#include <sstream>
#include <set>
#include <algorithm>
#include "gamedef.h"
#include "inventory.h"
#include "util/serialize.h"
#include "strfnd.h"
#include "exceptions.h"

// Check if input matches recipe
// Takes recipe groups into account
static bool inputItemMatchesRecipe(const std::string &inp_name,
		const std::string &rec_name, IItemDefManager *idef)
{
	// Exact name
	if(inp_name == rec_name)
		return true;

	// Group
	if(rec_name.substr(0,6) == "group:" && idef->isKnown(inp_name)){
		const struct ItemDefinition &def = idef->get(inp_name);
		Strfnd f(rec_name.substr(6));
		bool all_groups_match = true;
		do{
			std::string check_group = f.next(",");
			if(itemgroup_get(def.groups, check_group) == 0){
				all_groups_match = false;
				break;
			}
		}while(!f.atend());
		if(all_groups_match)
			return true;
	}

	// Didn't match
	return false;
}

// Deserialize an itemstring then return the name of the item
static std::string craftGetItemName(const std::string &itemstring, IGameDef *gamedef)
{
	ItemStack item;
	item.deSerialize(itemstring, gamedef->idef());
	return item.name;
}

// (mapcar craftGetItemName itemstrings)
static std::vector<std::string> craftGetItemNames(
		const std::vector<std::string> &itemstrings, IGameDef *gamedef)
{
	std::vector<std::string> result;
	for(std::vector<std::string>::const_iterator
			i = itemstrings.begin();
			i != itemstrings.end(); i++)
	{
		result.push_back(craftGetItemName(*i, gamedef));
	}
	return result;
}

// Get name of each item, and return them as a new list.
static std::vector<std::string> craftGetItemNames(
		const std::vector<ItemStack> &items, IGameDef *gamedef)
{
	std::vector<std::string> result;
	for(std::vector<ItemStack>::const_iterator
			i = items.begin();
			i != items.end(); i++)
	{
		result.push_back(i->name);
	}
	return result;
}

// convert a list of item names, to ItemStacks.
static std::vector<ItemStack> craftGetItems(
		const std::vector<std::string> &items, IGameDef *gamedef)
{
	std::vector<ItemStack> result;
	for(std::vector<std::string>::const_iterator
			i = items.begin();
			i != items.end(); i++)
	{
		result.push_back(ItemStack(std::string(*i),(u16)1,(u16)0,"",gamedef->getItemDefManager()));
	}
	return result;
}

// Compute bounding rectangle given a matrix of items
// Returns false if every item is ""
static bool craftGetBounds(const std::vector<std::string> &items, unsigned int width,
		unsigned int &min_x, unsigned int &max_x,
		unsigned int &min_y, unsigned int &max_y)
{
	bool success = false;
	unsigned int x = 0;
	unsigned int y = 0;
	for(std::vector<std::string>::const_iterator
			i = items.begin();
			i != items.end(); i++)
	{
		if(*i != "")  // Is this an actual item?
		{
			if(!success)
			{
				// This is the first nonempty item
				min_x = max_x = x;
				min_y = max_y = y;
				success = true;
			}
			else
			{
				if(x < min_x) min_x = x;
				if(x > max_x) max_x = x;
				if(y < min_y) min_y = y;
				if(y > max_y) max_y = y;
			}
		}

		// Step coordinate
		x++;
		if(x == width)
		{
			x = 0;
			y++;
		}
	}
	return success;
}

// Removes 1 from each item stack
static void craftDecrementInput(CraftInput &input, IGameDef *gamedef)
{
	for(std::vector<ItemStack>::iterator
			i = input.items.begin();
			i != input.items.end(); i++)
	{
		if(i->count != 0)
			i->remove(1);
	}
}

// Removes 1 from each item stack with replacement support
// Example: if replacements contains the pair ("bucket:bucket_water", "bucket:bucket_empty"),
//   a water bucket will not be removed but replaced by an empty bucket.
static void craftDecrementOrReplaceInput(CraftInput &input,
		const CraftReplacements &replacements,
		IGameDef *gamedef)
{
	if(replacements.pairs.empty())
	{
		craftDecrementInput(input, gamedef);
		return;
	}

	// Make a copy of the replacements pair list
	std::vector<std::pair<std::string, std::string> > pairs = replacements.pairs;

	for(std::vector<ItemStack>::iterator
			i = input.items.begin();
			i != input.items.end(); i++)
	{
		if(i->count == 1)
		{
			// Find an appropriate replacement
			bool found_replacement = false;
			for(std::vector<std::pair<std::string, std::string> >::iterator
					j = pairs.begin();
					j != pairs.end(); j++)
			{
				ItemStack from_item;
				from_item.deSerialize(j->first, gamedef->idef());
				if(i->name == from_item.name)
				{
					i->deSerialize(j->second, gamedef->idef());
					found_replacement = true;
					pairs.erase(j);
					break;
				}
			}
			// No replacement was found, simply decrement count to zero
			if(!found_replacement)
				i->remove(1);
		}
		else if(i->count >= 2)
		{
			// Ignore replacements for items with count >= 2
			i->remove(1);
		}
	}
}

// Dump an itemstring matrix
static std::string craftDumpMatrix(const std::vector<std::string> &items,
		unsigned int width)
{
	std::ostringstream os(std::ios::binary);
	os<<"{ ";
	unsigned int x = 0;
	for(std::vector<std::string>::const_iterator
			i = items.begin();
			i != items.end(); i++, x++)
	{
		if(x == width)
		{
			os<<"; ";
			x = 0;
		}
		else if(x != 0)
		{
			os<<",";
		}
		os<<"\""<<(*i)<<"\"";
	}
	os<<" }";
	return os.str();
}

// Dump an item matrix
std::string craftDumpMatrix(const std::vector<ItemStack> &items,
		unsigned int width)
{
	std::ostringstream os(std::ios::binary);
	os<<"{ ";
	unsigned int x = 0;
	for(std::vector<ItemStack>::const_iterator
			i = items.begin();
			i != items.end(); i++, x++)
	{
		if(x == width)
		{
			os<<"; ";
			x = 0;
		}
		else if(x != 0)
		{
			os<<",";
		}
		os<<"\""<<(i->getItemString())<<"\"";
	}
	os<<" }";
	return os.str();
}


/*
	CraftInput
*/

std::string CraftInput::dump() const
{
	std::ostringstream os(std::ios::binary);
	os<<"(method="<<((int)method)<<", items="<<craftDumpMatrix(items, width)<<")";
	return os.str();
}

/*
	CraftOutput
*/

std::string CraftOutput::dump() const
{
	std::ostringstream os(std::ios::binary);
	os<<"(item=\""<<item<<"\", time="<<time<<")";
	return os.str();
}

/*
	CraftReplacements
*/

std::string CraftReplacements::dump() const
{
	std::ostringstream os(std::ios::binary);
	os<<"{";
	const char *sep = "";
	for(std::vector<std::pair<std::string, std::string> >::const_iterator
			i = pairs.begin();
			i != pairs.end(); i++)
	{
		os<<sep<<"\""<<(i->first)<<"\"=>\""<<(i->second)<<"\"";
		sep = ",";
	}
	os<<"}";
	return os.str();
}

void CraftReplacements::serialize(std::ostream &os) const
{
	writeU16(os, pairs.size());
	for(u32 i=0; i<pairs.size(); i++)
	{
		os<<serializeString(pairs[i].first);
		os<<serializeString(pairs[i].second);
	}
}

void CraftReplacements::deSerialize(std::istream &is)
{
	pairs.clear();
	u32 count = readU16(is);
	for(u32 i=0; i<count; i++)
	{
		std::string first = deSerializeString(is);
		std::string second = deSerializeString(is);
		pairs.push_back(std::make_pair(first, second));
	}
}

/*
	CraftDefinition
*/

void CraftDefinition::serialize(std::ostream &os) const
{
	writeU8(os, 1); // version
	os<<serializeString(getName());
	serializeBody(os);
}

CraftDefinition* CraftDefinition::deSerialize(std::istream &is)
{
	int version = readU8(is);
	if(version != 1) throw SerializationError(
			"unsupported CraftDefinition version");
	std::string name = deSerializeString(is);
	CraftDefinition *def = NULL;
	if(name == "shaped")
	{
		def = new CraftDefinitionShaped;
	}
	else if(name == "shapeless")
	{
		def = new CraftDefinitionShapeless;
	}
	else if(name == "toolrepair")
	{
		def = new CraftDefinitionToolRepair;
	}
	else if(name == "cooking")
	{
		def = new CraftDefinitionCooking;
	}
	else if(name == "fuel")
	{
		def = new CraftDefinitionFuel;
	}
	else
	{
		infostream<<"Unknown CraftDefinition name=\""<<name<<"\""<<std::endl;
                throw SerializationError("Unknown CraftDefinition name");
	}
	def->deSerializeBody(is, version);
	return def;
}

/*
	CraftDefinitionShaped
*/

std::string CraftDefinitionShaped::getName() const
{
	return "shaped";
}

bool CraftDefinitionShaped::check(const CraftInput &input, IGameDef *gamedef) const
{
	if(input.method != CRAFT_METHOD_NORMAL)
		return false;

	// Get input item matrix
	std::vector<std::string> inp_names = craftGetItemNames(input.items, gamedef);
	unsigned int inp_width = input.width;
	if(inp_width == 0)
		return false;
	while(inp_names.size() % inp_width != 0)
		inp_names.push_back("");

	// Get input bounds
	unsigned int inp_min_x=0, inp_max_x=0, inp_min_y=0, inp_max_y=0;
	if(!craftGetBounds(inp_names, inp_width, inp_min_x, inp_max_x, inp_min_y, inp_max_y))
		return false;  // it was empty

	// Get recipe item matrix
	std::vector<std::string> rec_names = craftGetItemNames(recipe, gamedef);
	unsigned int rec_width = width;
	if(rec_width == 0)
		return false;
	while(rec_names.size() % rec_width != 0)
		rec_names.push_back("");

	// Get recipe bounds
	unsigned int rec_min_x=0, rec_max_x=0, rec_min_y=0, rec_max_y=0;