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Diffstat (limited to 'engines/wintermute/base/base_keyboard_state.cpp')
| -rw-r--r-- | engines/wintermute/base/base_keyboard_state.cpp | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/engines/wintermute/base/base_keyboard_state.cpp b/engines/wintermute/base/base_keyboard_state.cpp new file mode 100644 index 0000000000..fd5f2b0e1d --- /dev/null +++ b/engines/wintermute/base/base_keyboard_state.cpp @@ -0,0 +1,309 @@ +/* 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. + * + */ + +/* + * This file is based on WME Lite. + * http://dead-code.org/redir.php?target=wmelite + * Copyright (c) 2011 Jan Nedoma + */ + +#include "engines/wintermute/base/base_keyboard_state.h" +#include "engines/wintermute/base/scriptables/script_value.h" +#include "engines/wintermute/base/scriptables/script_stack.h" +#include "common/system.h" +#include "common/keyboard.h" + +namespace Wintermute { + +IMPLEMENT_PERSISTENT(BaseKeyboardState, false) + +////////////////////////////////////////////////////////////////////////// +BaseKeyboardState::BaseKeyboardState(BaseGame *inGame) : BaseScriptable(inGame) { + _currentPrintable = false; + _currentCharCode = 0; + _currentKeyData = 0; + + _currentShift = false; + _currentAlt = false; + _currentControl = false; + + _keyStates = new uint8[323]; // Hardcoded size for the common/keyboard.h enum + for (int i = 0; i < 323; i++) { + _keyStates[i] = false; + } +} + +////////////////////////////////////////////////////////////////////////// +BaseKeyboardState::~BaseKeyboardState() { + delete[] _keyStates; +} + +void BaseKeyboardState::handleKeyPress(Common::Event *event) { + if (event->type == Common::EVENT_KEYDOWN) { + _keyStates[event->kbd.keycode] = true; + } +} + +void BaseKeyboardState::handleKeyRelease(Common::Event *event) { + if (event->type == Common::EVENT_KEYUP) { + _keyStates[event->kbd.keycode] = false; + } +} + +////////////////////////////////////////////////////////////////////////// +// high level scripting interface +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) { + ////////////////////////////////////////////////////////////////////////// + // IsKeyDown + ////////////////////////////////////////////////////////////////////////// + if (strcmp(name, "IsKeyDown") == 0) { + stack->correctParams(1); + ScValue *val = stack->pop(); + int vKey; + + if (val->_type == VAL_STRING && strlen(val->getString()) > 0) { + const char *str = val->getString(); + char temp = str[0]; + if (temp >= 'A' && temp <= 'Z') { + temp += ('a' - 'A'); + } + vKey = (int)temp; + } else { + vKey = val->getInt(); + } + + bool isDown = _keyStates[vKeyToKeyCode(vKey)]; + + stack->pushBool(isDown); + return STATUS_OK; + } else { + return BaseScriptable::scCallMethod(script, stack, thisStack, name); + } +} + + +////////////////////////////////////////////////////////////////////////// +ScValue *BaseKeyboardState::scGetProperty(const char *name) { + _scValue->setNULL(); + + ////////////////////////////////////////////////////////////////////////// + // Type + ////////////////////////////////////////////////////////////////////////// + if (strcmp(name, "Type") == 0) { + _scValue->setString("keyboard"); + return _scValue; + } + + ////////////////////////////////////////////////////////////////////////// + // Key + ////////////////////////////////////////////////////////////////////////// + else if (strcmp(name, "Key") == 0) { + if (_currentPrintable) { + char key[2]; + key[0] = (char)_currentCharCode; + key[1] = '\0'; + _scValue->setString(key); + } else { + _scValue->setString(""); + } + + return _scValue; + } + + ////////////////////////////////////////////////////////////////////////// + // Printable + ////////////////////////////////////////////////////////////////////////// + else if (strcmp(name, "Printable") == 0) { + _scValue->setBool(_currentPrintable); + return _scValue; + } + + ////////////////////////////////////////////////////////////////////////// + // KeyCode + ////////////////////////////////////////////////////////////////////////// + else if (strcmp(name, "KeyCode") == 0) { + _scValue->setInt(_currentCharCode); + return _scValue; + } + + ////////////////////////////////////////////////////////////////////////// + // IsShift + ////////////////////////////////////////////////////////////////////////// + else if (strcmp(name, "IsShift") == 0) { + _scValue->setBool(_currentShift); + return _scValue; + } + + ////////////////////////////////////////////////////////////////////////// + // IsAlt + ////////////////////////////////////////////////////////////////////////// + else if (strcmp(name, "IsAlt") == 0) { + _scValue->setBool(_currentAlt); + return _scValue; + } + + ////////////////////////////////////////////////////////////////////////// + // IsControl + ////////////////////////////////////////////////////////////////////////// + else if (strcmp(name, "IsControl") == 0) { + _scValue->setBool(_currentControl); + return _scValue; + } else { + return BaseScriptable::scGetProperty(name); + } +} + + +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::scSetProperty(const char *name, ScValue *value) { + /* + ////////////////////////////////////////////////////////////////////////// + // Name + ////////////////////////////////////////////////////////////////////////// + if (strcmp(name, "Name") == 0) { + setName(value->getString()); + if (_renderer) SetWindowText(_renderer->_window, _name); + return STATUS_OK; + } + + else*/ return BaseScriptable::scSetProperty(name, value); +} + + +////////////////////////////////////////////////////////////////////////// +const char *BaseKeyboardState::scToString() { + return "[keyboard state]"; +} + + +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::readKey(Common::Event *event) { + //_currentPrintable = (event->type == SDL_TEXTINPUT); // TODO + _currentCharCode = keyCodeToVKey(event); + if ((_currentCharCode <= Common::KEYCODE_z && _currentCharCode >= Common::KEYCODE_a) || + (_currentCharCode <= Common::KEYCODE_9 && _currentCharCode >= Common::KEYCODE_0) || + (_currentCharCode == Common::KEYCODE_SPACE)) { + _currentPrintable = true; + } else { + _currentPrintable = false; + } + //_currentKeyData = KeyData; + + _currentControl = isControlDown(); + _currentAlt = isAltDown(); + _currentShift = isShiftDown(); + + return STATUS_OK; +} + + +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::persist(BasePersistenceManager *persistMgr) { + //if (!persistMgr->getIsSaving()) cleanup(); + BaseScriptable::persist(persistMgr); + + persistMgr->transfer(TMEMBER(_currentAlt)); + persistMgr->transfer(TMEMBER(_currentCharCode)); + persistMgr->transfer(TMEMBER(_currentControl)); + persistMgr->transfer(TMEMBER(_currentKeyData)); + persistMgr->transfer(TMEMBER(_currentPrintable)); + persistMgr->transfer(TMEMBER(_currentShift)); + + if (!persistMgr->getIsSaving()) { + _keyStates = new uint8[323]; // Hardcoded size for the common/keyboard.h enum + for (int i = 0; i < 323; i++) { + _keyStates[i] = false; + } + } + + return STATUS_OK; +} + +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::isShiftDown() { + int mod = g_system->getEventManager()->getModifierState(); + return (mod & Common::KBD_SHIFT); +} + +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::isControlDown() { + int mod = g_system->getEventManager()->getModifierState(); + return (mod & Common::KBD_CTRL); +} + +////////////////////////////////////////////////////////////////////////// +bool BaseKeyboardState::isAltDown() { + int mod = g_system->getEventManager()->getModifierState(); + return (mod & Common::KBD_ALT); +} + +////////////////////////////////////////////////////////////////////////// +uint32 BaseKeyboardState::keyCodeToVKey(Common::Event *event) { + if (event->type != Common::EVENT_KEYDOWN) { + return 0; + } + + switch (event->kbd.keycode) { + case Common::KEYCODE_KP_ENTER: + return Common::KEYCODE_RETURN; + default: + return (uint32)event->kbd.keycode; + } +} + +enum VKeyCodes { + kVkSpace = 32, + kVkLeft = 37, + kVkUp = 38, + kVkRight = 39, + kVkDown = 40 +}; + +////////////////////////////////////////////////////////////////////////// +Common::KeyCode BaseKeyboardState::vKeyToKeyCode(uint32 vkey) { + // todo + switch (vkey) { + case kVkSpace: + return Common::KEYCODE_SPACE; + break; + case kVkLeft: + return Common::KEYCODE_LEFT; + break; + case kVkRight: + return Common::KEYCODE_RIGHT; + break; + case kVkUp: + return Common::KEYCODE_UP; + break; + case kVkDown: + return Common::KEYCODE_DOWN; + break; + default: + warning("Unknown VKEY: %d", vkey); + return (Common::KeyCode)vkey; + break; + } + +} + +} // end of namespace Wintermute |