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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
* $URL$
* $Id$
*
*/
#include "common/system.h"
#include "parallaction/parallaction.h"
namespace Parallaction {
enum MenuOptions {
kMenuPart0 = 0,
kMenuPart1 = 1,
kMenuPart2 = 2,
kMenuPart3 = 3,
kMenuPart4 = 4,
kMenuLoadGame = 5,
kMenuQuit = 6
};
void Parallaction_br::guiStart() {
// TODO: load progress value from special save game
_progress = 3;
int option = guiShowMenu();
switch (option) {
case kMenuQuit:
_engineFlags |= kEngineQuit;
break;
case kMenuLoadGame:
warning("loadgame not yet implemented");
break;
default:
_part = option;
_disk->selectArchive(_partNames[_part]);
startPart();
}
}
void Parallaction_br::guiSplash(const char *name) {
_gfx->clearScreen();
_gfx->setBackground(kBackgroundSlide, name, 0, 0);
_gfx->_backgroundInfo.x = (_screenWidth - _gfx->_backgroundInfo.width) >> 1;
_gfx->_backgroundInfo.y = (_screenHeight - _gfx->_backgroundInfo.height) >> 1;
_gfx->updateScreen();
_system->delayMillis(600);
Palette blackPal;
Palette pal(_gfx->_backgroundInfo.palette);
for (uint i = 0; i < 64; i++) {
pal.fadeTo(blackPal, 1);
_gfx->setPalette(pal);
_gfx->updateScreen();
_system->delayMillis(20);
}
}
#define MENUITEMS_X 250
#define MENUITEMS_Y 200
#define MENUITEM_WIDTH 190
#define MENUITEM_HEIGHT 18
Frames* Parallaction_br::guiRenderMenuItem(const char *text) {
// this builds a surface containing two copies of the text.
// one is in normal color, the other is inverted.
// the two 'frames' are used to display selected/unselected menu items
Graphics::Surface *surf = new Graphics::Surface;
surf->create(MENUITEM_WIDTH, MENUITEM_HEIGHT*2, 1);
// build first frame to be displayed when item is not selected
_menuFont->setColor(0);
_menuFont->drawString((byte*)surf->getBasePtr(5, 2), MENUITEM_WIDTH, text);
// build second frame to be displayed when item is selected
_menuFont->drawString((byte*)surf->getBasePtr(5, 2 + MENUITEM_HEIGHT), MENUITEM_WIDTH, text);
byte *s = (byte*)surf->getBasePtr(0, MENUITEM_HEIGHT);
for (int i = 0; i < surf->w * MENUITEM_HEIGHT; i++) {
*s++ ^= 0xD;
}
// wrap the surface into the suitable Frames adapter
return new SurfaceToMultiFrames(2, MENUITEM_WIDTH, MENUITEM_HEIGHT, surf);
}
int Parallaction_br::guiShowMenu() {
// TODO: filter menu entries according to progress in game
#define NUM_MENULINES 7
Frames *_lines[NUM_MENULINES];
const char *menuStrings[NUM_MENULINES] = {
"SEE INTRO",
"NEW GAME",
"SAVED GAME",
"EXIT TO DOS",
"PART 2",
"PART 3",
"PART 4"
};
MenuOptions options[NUM_MENULINES] = {
kMenuPart0,
kMenuPart1,
kMenuLoadGame,
kMenuQuit,
kMenuPart2,
kMenuPart3,
kMenuPart4
};
_gfx->clearScreen();
_gfx->setBackground(kBackgroundSlide, "tbra", 0, 0);
_gfx->_backgroundInfo.x = 20;
_gfx->_backgroundInfo.y = 50;
int availItems = 4 + _progress;
// TODO: keep track of and destroy menu item frames/surfaces
int i;
for (i = 0; i < availItems; i++) {
_lines[i] = guiRenderMenuItem(menuStrings[i]);
uint id = _gfx->setItem(_lines[i], MENUITEMS_X, MENUITEMS_Y + MENUITEM_HEIGHT * i, 0xFF);
_gfx->setItemFrame(id, 0);
}
int selectedItem = -1;
setMousePointer(0);
while (true) {
if ((_mouseButtons == kMouseLeftUp) && selectedItem >= 0)
break;
readInput();
if ((_mousePos.x > MENUITEMS_X) && (_mousePos.x < (MENUITEMS_X+MENUITEM_WIDTH)) && (_mousePos.y > MENUITEMS_Y)) {
selectedItem = (_mousePos.y - MENUITEMS_Y) / MENUITEM_HEIGHT;
if (!(selectedItem < availItems))
selectedItem = -1;
} else
selectedItem = -1;
for (i = 0; i < availItems; i++) {
_gfx->setItemFrame(i, selectedItem == i ? 1 : 0);
}
_gfx->updateScreen();
_system->delayMillis(20);
}
_system->showMouse(false);
_gfx->hideDialogueStuff();
for (i = 0; i < availItems; i++) {
delete _lines[i];
}
return options[selectedItem];
}
} // namespace Parallaction
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