minetest/src/guiInventoryMenu.cpp

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/*
Minetest-c55
Copyright (C) 2010 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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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 "guiInventoryMenu.h"
#include "constants.h"
#include "gamedef.h"
#include "keycode.h"
#include "strfnd.h"
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#include <IGUICheckBox.h>
#include <IGUIEditBox.h>
#include <IGUIButton.h>
#include <IGUIStaticText.h>
#include <IGUIFont.h>
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#include "log.h"
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void drawItemStack(video::IVideoDriver *driver,
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gui::IGUIFont *font,
const ItemStack &item,
const core::rect<s32> &rect,
const core::rect<s32> *clip,
IGameDef *gamedef)
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{
if(item.empty())
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return;
const ItemDefinition &def = item.getDefinition(gamedef->idef());
video::ITexture *texture = def.inventory_texture;
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// Draw the inventory texture
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if(texture != NULL)
{
const video::SColor color(255,255,255,255);
const video::SColor colors[] = {color,color,color,color};
driver->draw2DImage(texture, rect,
core::rect<s32>(core::position2d<s32>(0,0),
core::dimension2di(texture->getOriginalSize())),
clip, colors, true);
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}
if(def.type == ITEM_TOOL && item.wear != 0)
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{
// Draw a progressbar
float barheight = rect.getHeight()/16;
float barpad_x = rect.getWidth()/16;
float barpad_y = rect.getHeight()/16;
core::rect<s32> progressrect(
rect.UpperLeftCorner.X + barpad_x,
rect.LowerRightCorner.Y - barpad_y - barheight,
rect.LowerRightCorner.X - barpad_x,
rect.LowerRightCorner.Y - barpad_y);
// Shrink progressrect by amount of tool damage
float wear = item.wear / 65535.0;
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int progressmid =
wear * progressrect.UpperLeftCorner.X +
(1-wear) * progressrect.LowerRightCorner.X;
// Compute progressbar color
// wear = 0.0: green
// wear = 0.5: yellow
// wear = 1.0: red
video::SColor color(255,255,255,255);
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int wear_i = MYMIN(floor(wear * 600), 511);
wear_i = MYMIN(wear_i + 10, 511);
if(wear_i <= 255)
color.set(255, wear_i, 255, 0);
else
color.set(255, 255, 511-wear_i, 0);
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core::rect<s32> progressrect2 = progressrect;
progressrect2.LowerRightCorner.X = progressmid;
driver->draw2DRectangle(color, progressrect2, clip);
color = video::SColor(255,0,0,0);
progressrect2 = progressrect;
progressrect2.UpperLeftCorner.X = progressmid;
driver->draw2DRectangle(color, progressrect2, clip);
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}
if(font != NULL && item.count >= 2)
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{
// Get the item count as a string
std::string text = itos(item.count);
v2u32 dim = font->getDimension(narrow_to_wide(text).c_str());
v2s32 sdim(dim.X,dim.Y);
core::rect<s32> rect2(
/*rect.UpperLeftCorner,
core::dimension2d<u32>(rect.getWidth(), 15)*/
rect.LowerRightCorner - sdim,
sdim
);
video::SColor bgcolor(128,0,0,0);
driver->draw2DRectangle(bgcolor, rect2, clip);
video::SColor color(255,255,255,255);
font->draw(text.c_str(), rect2, color, false, false, clip);
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}
}
/*
GUIInventoryMenu
*/
GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
gui::IGUIElement* parent, s32 id,
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IMenuManager *menumgr,
v2s16 menu_size,
InventoryManager *invmgr,
IGameDef *gamedef
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):
GUIModalMenu(env, parent, id, menumgr),
m_menu_size(menu_size),
m_invmgr(invmgr),
m_gamedef(gamedef)
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{
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m_selected_item = NULL;
m_tooltip_element = NULL;
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}
GUIInventoryMenu::~GUIInventoryMenu()
{
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removeChildren();
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if(m_selected_item)
delete m_selected_item;
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}
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void GUIInventoryMenu::removeChildren()
{
const core::list<gui::IGUIElement*> &children = getChildren();
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core::list<gui::IGUIElement*> children_copy;
for(core::list<gui::IGUIElement*>::ConstIterator
i = children.begin(); i != children.end(); i++)
{
children_copy.push_back(*i);
}
for(core::list<gui::IGUIElement*>::Iterator
i = children_copy.begin();
i != children_copy.end(); i++)
{
(*i)->remove();
}
/*{
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gui::IGUIElement *e = getElementFromId(256);
if(e != NULL)
e->remove();
}*/
if(m_tooltip_element)
{
m_tooltip_element->remove();
m_tooltip_element = NULL;
}
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}
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void GUIInventoryMenu::regenerateGui(v2u32 screensize)
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{
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// Remove children
removeChildren();
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/*padding = v2s32(24,24);
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spacing = v2s32(60,56);
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imgsize = v2s32(48,48);*/
padding = v2s32(screensize.Y/40, screensize.Y/40);
spacing = v2s32(screensize.Y/12, screensize.Y/13);
imgsize = v2s32(screensize.Y/15, screensize.Y/15);
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s32 helptext_h = 15;
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v2s32 size(
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padding.X*2+spacing.X*(m_menu_size.X-1)+imgsize.X,
padding.Y*2+spacing.Y*(m_menu_size.Y-1)+imgsize.Y + helptext_h
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);
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core::rect<s32> rect(
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screensize.X/2 - size.X/2,
screensize.Y/2 - size.Y/2,
screensize.X/2 + size.X/2,
screensize.Y/2 + size.Y/2
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);
DesiredRect = rect;
recalculateAbsolutePosition(false);
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v2s32 basepos = getBasePos();
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m_draw_spec.clear();
for(u16 i=0; i<m_init_draw_spec.size(); i++)
{
DrawSpec &s = m_init_draw_spec[i];
if(s.type == "list")
{
m_draw_spec.push_back(ListDrawSpec(s.name, s.subname,
basepos + v2s32(spacing.X*s.pos.X, spacing.Y*s.pos.Y),
s.geom));
}
}
/*
m_draw_spec.clear();
m_draw_spec.push_back(ListDrawSpec("main",
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basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
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m_draw_spec.push_back(ListDrawSpec("craft",
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basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
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m_draw_spec.push_back(ListDrawSpec("craftresult",
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basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
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*/
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// Add children
{
core::rect<s32> rect(0, 0, size.X-padding.X*2, helptext_h);
rect = rect + v2s32(size.X/2 - rect.getWidth()/2,
size.Y-rect.getHeight()-15);
const wchar_t *text =
L"Left click: Move all items, Right click: Move single item";
Environment->addStaticText(text, rect, false, true, this, 256);
// Add tooltip
// Note: parent != this so that the tooltip isn't clipped by the menu rectangle
m_tooltip_element = Environment->addStaticText(L"",core::rect<s32>(0,0,110,18));
m_tooltip_element->enableOverrideColor(true);
m_tooltip_element->setBackgroundColor(video::SColor(255,110,130,60));
m_tooltip_element->setDrawBackground(true);
m_tooltip_element->setDrawBorder(true);
m_tooltip_element->setOverrideColor(video::SColor(255,255,255,255));
m_tooltip_element->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
m_tooltip_element->setWordWrap(false);
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}
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}
GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
{
core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
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for(u32 i=0; i<m_draw_spec.size(); i++)
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{
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const ListDrawSpec &s = m_draw_spec[i];
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for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
{
s32 x = (i%s.geom.X) * spacing.X;
s32 y = (i/s.geom.X) * spacing.Y;
v2s32 p0(x,y);
core::rect<s32> rect = imgrect + s.pos + p0;
if(rect.isPointInside(p))
{
return ItemSpec(s.inventoryloc, s.listname, i);
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}
}
}
return ItemSpec(InventoryLocation(), "", -1);
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}
void GUIInventoryMenu::drawList(const ListDrawSpec &s, int phase)
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{
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video::IVideoDriver* driver = Environment->getVideoDriver();
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// Get font
gui::IGUIFont *font = NULL;
gui::IGUISkin* skin = Environment->getSkin();
if (skin)
font = skin->getFont();
Inventory *inv = m_invmgr->getInventory(s.inventoryloc);
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assert(inv);
InventoryList *ilist = inv->getList(s.listname);
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core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
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for(s32 i=0; i<s.geom.X*s.geom.Y; i++)
{
s32 x = (i%s.geom.X) * spacing.X;
s32 y = (i/s.geom.X) * spacing.Y;
v2s32 p(x,y);
core::rect<s32> rect = imgrect + s.pos + p;
ItemStack item;
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if(ilist)
item = ilist->getItem(i);
bool selected = m_selected_item
&& m_invmgr->getInventory(m_selected_item->inventoryloc) == inv
&& m_selected_item->listname == s.listname
&& m_selected_item->i == i;
bool hovering = rect.isPointInside(m_pointer);
if(phase == 0)
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{
if(hovering && m_selected_item)
{
video::SColor bgcolor(255,192,192,192);
driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
}
else
{
video::SColor bgcolor(255,128,128,128);
driver->draw2DRectangle(bgcolor, rect, &AbsoluteClippingRect);
}
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}
if(phase == 1 && !item.empty())
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{
// Draw item at the normal position if
// - the item is not being dragged or
// /*- the item is in the crafting result slot*/
if(!selected /*|| s.listname == "craftresult"*/)
{
drawItemStack(driver, font, item,
rect, &AbsoluteClippingRect, m_gamedef);
}
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}
if(phase ==2 && !item.empty())
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{
// Draw dragged item
if(selected)
{
v2s32 offset = m_pointer - rect.getCenter();
rect.UpperLeftCorner += offset;
rect.LowerRightCorner += offset;
drawItemStack(driver, font, item,
rect, NULL, m_gamedef);
}
// Draw tooltip
std::string tooltip_text = "";
if(hovering && !m_selected_item)
tooltip_text = item.getDefinition(m_gamedef->idef()).description;
if(tooltip_text != "")
{
m_tooltip_element->setVisible(true);
this->bringToFront(m_tooltip_element);
m_tooltip_element->setText(narrow_to_wide(tooltip_text).c_str());
s32 tooltip_x = m_pointer.X + 15;
s32 tooltip_y = m_pointer.Y + 15;
s32 tooltip_width = m_tooltip_element->getTextWidth() + 15;
s32 tooltip_height = m_tooltip_element->getTextHeight() + 5;
m_tooltip_element->setRelativePosition(core::rect<s32>(
core::position2d<s32>(tooltip_x, tooltip_y),
core::dimension2d<s32>(tooltip_width, tooltip_height)));
}
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}
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}
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}
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void GUIInventoryMenu::drawMenu()
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{
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);
m_tooltip_element->setVisible(false);
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/*
Draw items
Phase 0: Item slot rectangles
Phase 1: Item images
Phase 2: Dragged item image; tooltip
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*/
for(int phase=0; phase<=2; phase++)
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for(u32 i=0; i<m_draw_spec.size(); i++)
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{
drawList(m_draw_spec[i], phase);
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}
/*
Call base class
*/
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gui::IGUIElement::draw();
}
bool GUIInventoryMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT)
{
KeyPress kp(event.KeyInput);
if (event.KeyInput.PressedDown && (kp == EscapeKey ||
kp == getKeySetting("keymap_inventory")))
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{
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quitMenu();
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return true;
}
}
if(event.EventType==EET_MOUSE_INPUT_EVENT
&& event.MouseInput.Event == EMIE_MOUSE_MOVED)
{
// Mouse moved
m_pointer = v2s32(event.MouseInput.X, event.MouseInput.Y);
}
if(event.EventType==EET_MOUSE_INPUT_EVENT
&& event.MouseInput.Event != EMIE_MOUSE_MOVED)
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{
// Mouse event other than movement
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v2s32 p(event.MouseInput.X, event.MouseInput.Y);
ItemSpec s = getItemAtPos(p);
Inventory *inv_selected = NULL;
Inventory *inv_s = NULL;
if(m_selected_item)
{
assert(m_selected_item->isValid());
inv_selected = m_invmgr->getInventory(m_selected_item->inventoryloc);
assert(inv_selected);
}
if(s.isValid())
{
inv_s = m_invmgr->getInventory(s.inventoryloc);
assert(inv_s);
}
bool different_item = m_selected_item
&& ((inv_selected != inv_s)
|| (m_selected_item->listname != s.listname)
|| (m_selected_item->i != s.i));
int amount = -1;
if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
amount = 0;
else if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
amount = 1;
else if(event.MouseInput.Event == EMIE_MMOUSE_PRESSED_DOWN)
amount = 10;
else if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP && different_item)
amount = 0;
//else if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP && different_item)
// amount = 1;
//else if(event.MouseInput.Event == EMIE_MMOUSE_LEFT_UP && different_item)
// amount = 10;
if(amount >= 0)
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{
// Indicates whether source slot should be deselected
bool remove_selection = false;
//infostream<<"Mouse action at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
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if(s.isValid())
{
infostream<<"Mouse action on "<<s.inventoryloc.dump()
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<<"/"<<s.listname<<" "<<s.i<<std::endl;
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if(m_selected_item)
{
Inventory *inv_from = inv_selected;
Inventory *inv_to = inv_s;
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assert(inv_from);
assert(inv_to);
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InventoryList *list_from =
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inv_from->getList(m_selected_item->listname);
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InventoryList *list_to =
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inv_to->getList(s.listname);
if(list_from == NULL)
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infostream<<"from list doesn't exist"<<std::endl;
if(list_to == NULL)
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infostream<<"to list doesn't exist"<<std::endl;
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if(list_from && list_to
&& !list_from->getItem(m_selected_item->i).empty())
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{
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infostream<<"Handing IACTION_MOVE to manager"<<std::endl;
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IMoveAction *a = new IMoveAction();
a->count = amount;
a->from_inv = m_selected_item->inventoryloc;
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a->from_list = m_selected_item->listname;
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a->from_i = m_selected_item->i;
a->to_inv = s.inventoryloc;
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a->to_list = s.listname;
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a->to_i = s.i;
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m_invmgr->inventoryAction(a);
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if(amount == 0 || list_from->getItem(m_selected_item->i).count<=amount)
remove_selection = true;
}
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}
else
{
/*
Select if nonempty
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*/
assert(inv_s);
InventoryList *list = inv_s->getList(s.listname);
if(list && !list->getItem(s.i).empty())
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{
m_selected_item = new ItemSpec(s);
}
}
}
else if(m_selected_item)
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{
// If moved outside the menu, drop.
// (Otherwise abort inventory action.)
if(getAbsoluteClippingRect().isPointInside(m_pointer))
{
// Inside menu
remove_selection = true;
}
else
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{
// Outside of menu
Inventory *inv_from = inv_selected;
assert(inv_from);
InventoryList *list_from =
inv_from->getList(m_selected_item->listname);
if(list_from == NULL)
infostream<<"from list doesn't exist"<<std::endl;
if(list_from && !list_from->getItem(m_selected_item->i).empty())
{
infostream<<"Handing IACTION_DROP to manager"<<std::endl;
IDropAction *a = new IDropAction();
a->count = amount;
a->from_inv = m_selected_item->inventoryloc;
a->from_list = m_selected_item->listname;
a->from_i = m_selected_item->i;
m_invmgr->inventoryAction(a);
if(amount == 0 || list_from->getItem(m_selected_item->i).count<=amount)
remove_selection = true;
}
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}
}
if(remove_selection)
{
delete m_selected_item;
m_selected_item = NULL;
}
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}
}
if(event.EventType==EET_GUI_EVENT)
{
if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
&& isVisible())
{
if(!canTakeFocus(event.GUIEvent.Element))
{
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infostream<<"GUIInventoryMenu: Not allowing focus change."
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<<std::endl;
// Returning true disables focus change
return true;
}
}
if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED)
{
/*switch(event.GUIEvent.Caller->getID())
{
case 256: // continue
setVisible(false);
break;
case 257: // exit
dev->closeDevice();
break;
}*/
}
}
return Parent ? Parent->OnEvent(event) : false;
}
/*
Here is an example traditional set-up sequence for a DrawSpec list:
std::string furnace_inv_id = "nodemetadata:0,1,2";
core::array<GUIInventoryMenu::DrawSpec> draw_spec;
draw_spec.push_back(GUIInventoryMenu::DrawSpec(
"list", furnace_inv_id, "fuel",
v2s32(2, 3), v2s32(1, 1)));
draw_spec.push_back(GUIInventoryMenu::DrawSpec(
"list", furnace_inv_id, "src",
v2s32(2, 1), v2s32(1, 1)));
draw_spec.push_back(GUIInventoryMenu::DrawSpec(
"list", furnace_inv_id, "dst",
v2s32(5, 1), v2s32(2, 2)));
draw_spec.push_back(GUIInventoryMenu::DrawSpec(
"list", "current_player", "main",
v2s32(0, 5), v2s32(8, 4)));
setDrawSpec(draw_spec);
Here is the string for creating the same DrawSpec list (a single line,
spread to multiple lines here):
GUIInventoryMenu::makeDrawSpecArrayFromString(
draw_spec,
"nodemetadata:0,1,2",
"invsize[8,9;]"
"list[current_name;fuel;2,3;1,1;]"
"list[current_name;src;2,1;1,1;]"
"list[current_name;dst;5,1;2,2;]"
"list[current_player;main;0,5;8,4;]");
Returns inventory menu size defined by invsize[].
*/
v2s16 GUIInventoryMenu::makeDrawSpecArrayFromString(
core::array<GUIInventoryMenu::DrawSpec> &draw_spec,
const std::string &data,
const InventoryLocation &current_location)
{
v2s16 invsize(8,9);
Strfnd f(data);
while(f.atend() == false)
{
std::string type = trim(f.next("["));
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//infostream<<"type="<<type<<std::endl;
if(type == "list")
{
std::string name = f.next(";");
InventoryLocation loc;
if(name == "current_name")
loc = current_location;
else
loc.deSerialize(name);
std::string subname = f.next(";");
s32 pos_x = stoi(f.next(","));
s32 pos_y = stoi(f.next(";"));
s32 geom_x = stoi(f.next(","));
s32 geom_y = stoi(f.next(";"));
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infostream<<"list name="<<name<<", subname="<<subname
<<", pos=("<<pos_x<<","<<pos_y<<")"
<<", geom=("<<geom_x<<","<<geom_y<<")"
<<std::endl;
draw_spec.push_back(GUIInventoryMenu::DrawSpec(
type, loc, subname,
v2s32(pos_x,pos_y),v2s32(geom_x,geom_y)));
f.next("]");
}
else if(type == "invsize")
{
invsize.X = stoi(f.next(","));
invsize.Y = stoi(f.next(";"));
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infostream<<"invsize ("<<invsize.X<<","<<invsize.Y<<")"<<std::endl;
f.next("]");
}
else
{
// Ignore others
std::string ts = f.next("]");
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infostream<<"Unknown DrawSpec: type="<<type<<", data=\""<<ts<<"\""
<<std::endl;
}
}
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return invsize;
}
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