minetest/src/guiInventoryMenu.cpp
2011-01-23 17:29:15 +02:00

352 lines
8.3 KiB
C++

/*
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"
void drawInventoryItem(gui::IGUIEnvironment* env,
InventoryItem *item, core::rect<s32> rect,
const core::rect<s32> *clip)
{
gui::IGUISkin* skin = env->getSkin();
if (!skin)
return;
video::IVideoDriver* driver = env->getVideoDriver();
video::ITexture *texture = NULL;
if(item != NULL)
{
texture = item->getImage();
}
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, false);
}
else
{
video::SColor bgcolor(128,128,128,128);
driver->draw2DRectangle(bgcolor, rect, clip);
}
if(item != NULL)
{
gui::IGUIFont *font = skin->getFont();
std::string text = item->getText();
if(font && text != "")
{
core::rect<s32> rect2(rect.UpperLeftCorner,
(core::dimension2d<u32>(rect.getWidth(), 15)));
video::SColor bgcolor(128,0,0,0);
driver->draw2DRectangle(bgcolor, rect2, clip);
font->draw(text.c_str(), rect2,
video::SColor(255,255,255,255), false, false,
clip);
}
}
}
/*
GUIInventoryMenu
*/
GUIInventoryMenu::GUIInventoryMenu(gui::IGUIEnvironment* env,
gui::IGUIElement* parent, s32 id,
Inventory *inventory,
Queue<InventoryAction*> *actions,
IMenuManager *menumgr):
GUIModalMenu(env, parent, id, menumgr)
{
m_inventory = inventory;
m_selected_item = NULL;
m_actions = actions;
/*m_selected_item = new ItemSpec;
m_selected_item->listname = "main";
m_selected_item->i = 3;*/
}
GUIInventoryMenu::~GUIInventoryMenu()
{
removeChildren();
if(m_selected_item)
delete m_selected_item;
}
void GUIInventoryMenu::removeChildren()
{
{
gui::IGUIElement *e = getElementFromId(256);
if(e != NULL)
e->remove();
}
}
void GUIInventoryMenu::regenerateGui(v2u32 screensize)
{
// Remove children
removeChildren();
padding = v2s32(24,24);
spacing = v2s32(60,56);
imgsize = v2s32(48,48);
s32 helptext_h = 15;
v2s32 size(
padding.X*2+spacing.X*(8-1)+imgsize.X,
padding.Y*2+spacing.Y*(7-1)+imgsize.Y + helptext_h
);
core::rect<s32> rect(
screensize.X/2 - size.X/2,
screensize.Y/2 - size.Y/2,
screensize.X/2 + size.X/2,
screensize.Y/2 + size.Y/2
);
DesiredRect = rect;
recalculateAbsolutePosition(false);
v2s32 basepos = getBasePos();
m_draw_positions.clear();
m_draw_positions.push_back(ListDrawSpec("main",
basepos + v2s32(spacing.X*0, spacing.Y*3), v2s32(8, 4)));
m_draw_positions.push_back(ListDrawSpec("craft",
basepos + v2s32(spacing.X*3, spacing.Y*0), v2s32(3, 3)));
m_draw_positions.push_back(ListDrawSpec("craftresult",
basepos + v2s32(spacing.X*7, spacing.Y*1), v2s32(1, 1)));
// 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);
}
}
GUIInventoryMenu::ItemSpec GUIInventoryMenu::getItemAtPos(v2s32 p) const
{
core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
for(u32 i=0; i<m_draw_positions.size(); i++)
{
const ListDrawSpec &s = m_draw_positions[i];
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.listname, i);
}
}
}
return ItemSpec("", -1);
}
//void GUIInventoryMenu::drawList(const std::string &name, v2s32 pos, v2s32 geom)
void GUIInventoryMenu::drawList(const ListDrawSpec &s)
{
video::IVideoDriver* driver = Environment->getVideoDriver();
InventoryList *ilist = m_inventory->getList(s.listname);
core::rect<s32> imgrect(0,0,imgsize.X,imgsize.Y);
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;
InventoryItem *item = NULL;
if(ilist)
item = ilist->getItem(i);
if(m_selected_item != NULL && m_selected_item->listname == s.listname
&& m_selected_item->i == i)
{
driver->draw2DRectangle(video::SColor(255,255,0,0),
core::rect<s32>(rect.UpperLeftCorner - v2s32(2,2),
rect.LowerRightCorner + v2s32(2,2)),
&AbsoluteClippingRect);
}
drawInventoryItem(Environment, item,
rect, &AbsoluteClippingRect);
}
}
void GUIInventoryMenu::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);
/*
Draw items
*/
for(u32 i=0; i<m_draw_positions.size(); i++)
{
ListDrawSpec &s = m_draw_positions[i];
drawList(s);
}
/*
Call base class
*/
gui::IGUIElement::draw();
}
bool GUIInventoryMenu::OnEvent(const SEvent& event)
{
if(event.EventType==EET_KEY_INPUT_EVENT)
{
if(event.KeyInput.Key==KEY_ESCAPE && event.KeyInput.PressedDown)
{
quitMenu();
return true;
}
if(event.KeyInput.Key==KEY_KEY_I && event.KeyInput.PressedDown)
{
quitMenu();
return true;
}
}
if(event.EventType==EET_MOUSE_INPUT_EVENT)
{
if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN
|| event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
{
bool right = (event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN);
v2s32 p(event.MouseInput.X, event.MouseInput.Y);
//dstream<<"Mouse down at p=("<<p.X<<","<<p.Y<<")"<<std::endl;
ItemSpec s = getItemAtPos(p);
if(s.isValid())
{
//dstream<<"Mouse down on "<<s.listname<<" "<<s.i<<std::endl;
if(m_selected_item)
{
InventoryList *list_from =
m_inventory->getList(m_selected_item->listname);
InventoryList *list_to =
m_inventory->getList(s.listname);
// Indicates whether source slot completely empties
bool source_empties = false;
if(list_from && list_to
&& list_from->getItem(m_selected_item->i) != NULL)
{
dstream<<"Queueing IACTION_MOVE"<<std::endl;
IMoveAction *a = new IMoveAction();
a->count = right ? 1 : 0;
a->from_name = m_selected_item->listname;
a->from_i = m_selected_item->i;
a->to_name = s.listname;
a->to_i = s.i;
m_actions->push_back(a);
if(list_from->getItem(m_selected_item->i)->getCount()==1)
source_empties = true;
}
// Remove selection if target was left-clicked or source
// slot was emptied
if(right == false || source_empties)
{
delete m_selected_item;
m_selected_item = NULL;
}
}
else
{
/*
Select if non-NULL
*/
InventoryList *list = m_inventory->getList(s.listname);
if(list->getItem(s.i) != NULL)
{
m_selected_item = new ItemSpec(s);
}
}
}
else
{
if(m_selected_item)
{
delete m_selected_item;
m_selected_item = NULL;
}
}
}
}
if(event.EventType==EET_GUI_EVENT)
{
if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
&& isVisible())
{
if(!canTakeFocus(event.GUIEvent.Element))
{
dstream<<"GUIInventoryMenu: 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 256: // continue
setVisible(false);
break;
case 257: // exit
dev->closeDevice();
break;
}*/
}
}
return Parent ? Parent->OnEvent(event) : false;
}