diff options
Diffstat (limited to 'engines/sherlock/user_interface.cpp')
| -rw-r--r-- | engines/sherlock/user_interface.cpp | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/engines/sherlock/user_interface.cpp b/engines/sherlock/user_interface.cpp new file mode 100644 index 0000000000..d80aaecb54 --- /dev/null +++ b/engines/sherlock/user_interface.cpp @@ -0,0 +1,306 @@ +/* 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. + * + */ + +#include "sherlock/user_interface.h" +#include "sherlock/sherlock.h" + +namespace Sherlock { + +// Main user interface menu control locations +const int MENU_POINTS[12][4] = { + { 13, 153, 72, 165 }, + { 13, 169, 72, 181 }, + { 13, 185, 72, 197 }, + { 88, 153, 152, 165 }, + { 88, 169, 152, 181 }, + { 88, 185, 152, 197 }, + { 165, 153, 232, 165 }, + { 165, 169, 232, 181 }, + { 165, 185, 233, 197 }, + { 249, 153, 305, 165 }, + { 249, 169, 305, 181 }, + { 249, 185, 305, 197 } +}; + +// Inventory control locations */ +const int INVENTORY_POINTS[8][3] = { + { 4, 50, 28 }, + { 52, 99, 76 }, + { 101, 140, 122 }, + { 142, 187, 165 }, + { 189, 219, 197 }, + { 221, 251, 233 }, + { 253, 283, 265 }, + { 285, 315, 293 } +}; + +const char COMMANDS[13] = "LMTPOCIUGJFS"; + +/*----------------------------------------------------------------*/ + +UserInterface::UserInterface(SherlockEngine *vm) : _vm(vm) { + _bgFound = 0; + _oldBgFound = -1; + _keycode = Common::KEYCODE_INVALID; + _helpStyle = 0; + _menuCounter = 0; + _menuMode = STD_MODE; + _help = _oldHelp = 0; + _lookHelp = 0; + _key = _oldKey = 0; + _temp = _oldTemp = 0; + _invLookFlag = 0; + _windowOpen = false; + _oldLook = false; + _keyboardInput = false; + + _controls = nullptr; // new ImageFile("menu.all"); +} + +UserInterface::~UserInterface() { + delete _controls; +} + +void UserInterface::handleInput() { + Events &events = *_vm->_events; + Scene &scene = *_vm->_scene; + Screen &screen = *_vm->_screen; + + if (_menuCounter) + whileMenuCounter(); + + Common::Point pt = events.mousePos(); + _bgFound = scene.findBgShape(Common::Rect(pt.x, pt.y, pt.x + 1, pt.y + 1)); + _keycode = Common::KEYCODE_INVALID; + + // Check kbd and set the mouse released flag if Enter or space is pressed. + // Otherwise, the pressed key is stored for later use + if (events.kbHit()) { + Common::KeyState keyState = events.getKey(); + + if (keyState.keycode == Common::KEYCODE_x && keyState.flags & Common::KBD_ALT) { + _vm->quitGame(); + return; + } else if (keyState.keycode == Common::KEYCODE_SPACE || + keyState.keycode == Common::KEYCODE_RETURN) { + events._pressed = events._oldButtons = 0; + _keycode = Common::KEYCODE_INVALID; + } + } + + // Do button highlighting check + if (!_vm->_scriptMoreFlag) { // Don't if scripts are running + if (((events._rightPressed || events._rightReleased) && _helpStyle) || + (!_helpStyle && !_menuCounter)) { + // Handle any default commands if we're in STD_MODE + if (_menuMode == STD_MODE) { + if (pt.y < CONTROLS_Y && + (events._rightPressed || (!_helpStyle && !events._released)) && + (_bgFound != -1) && (_bgFound < 1000) && + (scene._bgShapes[_bgFound]._defaultCommand || + scene._bgShapes[_bgFound]._description[0])) { + // If there is no default command, so set it to Look + if (scene._bgShapes[_bgFound]._defaultCommand) + _help = scene._bgShapes[_bgFound]._defaultCommand - 1; + else + _help = 0; + + // Reset 'help' if it is an invalid command + if (_help > 5) + _help = -1; + } else if (pt.y < CONTROLS_Y && + ((events._rightReleased && _helpStyle) || (events._released && !_helpStyle)) && + (_bgFound != -1 && _bgFound < 1000) && + (scene._bgShapes[_bgFound]._defaultCommand || + scene._bgShapes[_bgFound]._description[0])) { + // If there is no default command, set it to Look + if (scene._bgShapes[_bgFound]._defaultCommand) + _menuMode = (MenuMode)scene._bgShapes[_bgFound]._defaultCommand; + else + _menuMode = LOOK_MODE; + events._released = true; + events._pressed = events._oldButtons = false; + _help = _oldHelp = -1; + + if (_menuMode == LOOK_MODE) { + // Set the flag to tell the game that this was a right-click + // call to look and should exit without the look button being pressed + _lookHelp = true; + } + } else { + _help = -1; + } + + // Check if highlighting a different button than last time + if (_help != _oldHelp) { + // If another button was highlighted previously, restore it + if (_oldHelp != -1) + restoreButton(_oldHelp); + + // If we're highlighting a new button, then draw it pressed + if (_help != -1) + depressButton(_help); + + _help = _oldHelp; + } + + if (_bgFound != _oldBgFound) { + _infoFlag = true; + clearInfo(); + + if (_help != -1 && (scene._bgShapes[_bgFound]._description[0] != 32 && + scene._bgShapes[_bgFound]._description[0])) + screen.print(Common::Point(0, INFO_LINE + 1), + INFO_FOREGROUND, INFO_BACKGROUND, "%s", + scene._bgShapes[_bgFound]._description); + } + } else { + // We're not in STD_MODE + // If there isn't a window open, then revert back to STD_MODE + if (!_windowOpen && events._rightReleased) { + // Restore all buttons + for (int idx = 0; idx < 12; ++idx) + restoreButton(idx); + + _menuMode = STD_MODE; + _key = _oldKey = -1; + _temp = _oldTemp = _lookHelp = _invLookFlag = 0; + events.clearEvents(); + } + } + } + } + + // TODO +} + +/** + * Draws the image for a user interface button in the down/pressed state. + */ +void UserInterface::depressButton(int num) { + Screen &screen = *_vm->_screen; + Common::Point pt(MENU_POINTS[num][0], MENU_POINTS[num][1]); + + Graphics::Surface &s = (*_controls)[num]._frame; + screen._backBuffer.transBlitFrom(s, pt); + screen.slamArea(pt.x, pt.y, pt.x + s.w, pt.y + s.h); +} + +/** + * Draws the image for the given user interface button in the up + * (not selected) position + */ +void UserInterface::restoreButton(int num) { + Screen &screen = *_vm->_screen; + Common::Point pt(MENU_POINTS[num][0], MENU_POINTS[num][1]); + + screen._backBuffer.blitFrom(screen._backBuffer2, pt, + Common::Rect(pt.x, pt.y, pt.x + 90, pt.y + 19)); + screen._backBuffer.blitFrom(screen._backBuffer, pt, + Common::Rect(pt.x, pt.y, pt.x + (*_controls)[num]._frame.w, + (*_controls)[num]._frame.h)); + + if (!_menuCounter) { + _infoFlag++; + clearInfo(); + } +} + +/** + * If he mouse button is pressed, then calls depressButton to draw the button + * as pressed; if not, it will show it as released with a call to "restoreButton". + */ +void UserInterface::pushButton(int num) { + Events &events = *_vm->_events; + _oldKey = -1; + + if (!events._released) { + if (_oldHelp != -1) + restoreButton(_oldHelp); + if (_help != -1) + restoreButton(_help); + + depressButton(num); + events.wait(6); + } + + restoreButton(num); +} + +/** + * By the time this method has been called, the graphics for the button change + * have already been drawn. This simply takes care of switching the mode around + * accordingly + */ +void UserInterface::toggleButton(int num) { + Screen &screen = *_vm->_screen; + + if (_menuMode != (num + 1)) { + _menuMode = (MenuMode)(num + 1); + _oldKey = COMMANDS[num]; + _oldTemp = num; + + if (_keyboardInput) { + if (_oldHelp != -1 && _oldHelp != num) + restoreButton(_oldHelp); + if (_help != -1 && _help != num) + restoreButton(_help); + + _keyboardInput = false; + + Graphics::Surface &s = (*_controls)[num]._frame; + Common::Point pt(MENU_POINTS[num][0], MENU_POINTS[num][1]); + screen._backBuffer.transBlitFrom(s, pt); + screen.slamArea(pt.x, pt.y, pt.x + s.w, pt.y + s.h); + } + } else { + _menuMode = STD_MODE; + _oldKey = -1; + restoreButton(num); + } +} + + +/** + * Clears the info line of the screen + */ +void UserInterface::clearInfo() { + if (_infoFlag) { + _vm->_screen->fillRect(16, INFO_LINE, SHERLOCK_SCREEN_WIDTH - 200, INFO_LINE + 9, + INFO_BLACK); + _infoFlag = false; + _oldLook = -1; + } +} + +/** + * Handles counting down whilst checking for input, then clears the info line. + */ +void UserInterface::whileMenuCounter() { + if (!(--_menuCounter) || _vm->_events->checkInput()) { + _menuCounter = 0; + ++_infoFlag; + clearInfo(); + } +} + +} // End of namespace Sherlock |