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-rw-r--r--engines/m4/events.cpp365
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diff --git a/engines/m4/events.cpp b/engines/m4/events.cpp
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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.
- *
- */
-
-// TODO: There is a 'please_hyperwalk' variable that gets accessed that is meant to be global, but
-// at the moment it's implemented as a local variable
-
-#include "graphics/cursorman.h"
-
-#include "m4/events.h"
-#include "m4/graphics.h"
-#include "m4/scene.h"
-#include "m4/viewmgr.h"
-#include "m4/m4.h"
-
-namespace M4 {
-
-bool please_hyperwalk = false;
-
-/*--------------------------------------------------------------------------*
- * Events *
- * *
- * Implements an interface to the event system *
- *--------------------------------------------------------------------------*/
-
-Events::Events(MadsM4Engine *vm) : _vm(vm) {
- _mouseState = MSTATE_NO_EVENT;
- quitFlag = false;
- _keyCode = 0;
- _mouseButtons = 0;
- _ctrlFlag = false;
-
- if (_vm->isM4())
- _console = new M4Console(_m4Vm);
- else
- _console = new MadsConsole(_madsVm);
-}
-
-Events::~Events() {
- delete _console;
-}
-
-M4EventType Events::handleEvents() {
- static int oldX = -1, oldY = -1;
- static uint32 dclickTime = 0;
-
- // Handle event types
- while (g_system->getEventManager()->pollEvent(_event)) {
- switch (_event.type) {
- case Common::EVENT_QUIT:
- quitFlag = true;
- break;
- case Common::EVENT_KEYDOWN:
- // Note: The Ctrl-D ScummVM shortcut has been specialised so it will only activate the debugger
- // if it's the first key pressed after the Ctrl key is held down
- if ((_event.kbd.keycode == Common::KEYCODE_LCTRL) || (_event.kbd.keycode == Common::KEYCODE_RCTRL))
- _ctrlFlag = true;
-
- else if (_event.kbd.hasFlags(Common::KBD_CTRL)) {
- if ((_event.kbd.keycode == Common::KEYCODE_d) && _ctrlFlag) {
- _console->attach();
- _console->onFrame();
- }
- _ctrlFlag = false;
- }
- _keyCode = (int32)_event.kbd.keycode | ((_event.kbd.flags & (Common::KBD_CTRL | Common::KBD_ALT | Common::KBD_SHIFT)) << 24);
-
-
- break;
- case Common::EVENT_LBUTTONDOWN:
- case Common::EVENT_LBUTTONUP:
- case Common::EVENT_RBUTTONDOWN:
- case Common::EVENT_RBUTTONUP:
- case Common::EVENT_MBUTTONDOWN:
- case Common::EVENT_MBUTTONUP:
- case Common::EVENT_MOUSEMOVE:
- case Common::EVENT_WHEELUP:
- case Common::EVENT_WHEELDOWN:
- _vm->_mouse->handleEvent(_event);
- break;
- default:
- break;
- }
- }
-
- _mouseButtons = g_system->getEventManager()->getButtonState();
-
- // State machine for moving between states
- switch (_mouseState) {
- case MSTATE_NO_EVENT:
- if (_mouseButtons & LEFT_BUTTON_DOWN) {
- if ((dclickTime != 0) && (g_system->getMillis() < dclickTime)) {
- _mouseState = MSTATE_DOUBLECLICK_DOWN;
- dclickTime = 0;
- return MEVENT_DOUBLECLICK;
- }
- dclickTime = 0;
- _mouseState = MSTATE_LEFT_CLICK_DOWN;
- return MEVENT_LEFT_CLICK;
- }
- if (_mouseButtons & RIGHT_BUTTON_DOWN) {
- _mouseState = MSTATE_RIGHT_CLICK_DOWN;
- return MEVENT_RIGHT_CLICK;
- }
- if ((_event.mouse.x != oldX) || (_event.mouse.y != oldY)) {
- oldX = _event.mouse.x; oldY = _event.mouse.y;
- return MEVENT_MOVE;
- }
- return MEVENT_NO_EVENT;
-
- case MSTATE_LEFT_CLICK_DOWN:
- if (!(_mouseButtons & LEFT_BUTTON_DOWN)) {
- dclickTime = g_system->getMillis() + 1000 * 15 / 60;
- _mouseState = MSTATE_NO_EVENT;
- return MEVENT_LEFT_RELEASE;
- }
- if ((_event.mouse.x != oldX) || (_event.mouse.y != oldY)) {
- oldX = _event.mouse.x; oldY = _event.mouse.y;
- return MEVENT_LEFT_DRAG;
- }
- return MEVENT_LEFT_HOLD;
-
- case MSTATE_RIGHT_CLICK_DOWN:
- if (!(_mouseButtons & RIGHT_BUTTON_DOWN)) {
- _mouseState = MSTATE_NO_EVENT;
- please_hyperwalk = true;
- return MEVENT_RIGHT_RELEASE;
- }
- if ((_event.mouse.x != oldX) || (_event.mouse.y != oldY)) {
- oldX = _event.mouse.x; oldY = _event.mouse.y;
- return MEVENT_RIGHT_DRAG;
- }
- return MEVENT_RIGHT_HOLD;
-
- case MSTATE_DOUBLECLICK_DOWN:
- if (!(_mouseButtons & LEFT_BUTTON_DOWN)) {
- _mouseState = MSTATE_NO_EVENT;
- return MEVENT_DOUBLECLICK_RELEASE;
- }
- if ((_event.mouse.x != oldX) || (_event.mouse.y != oldY)) {
- oldX = _event.mouse.x; oldY = _event.mouse.y;
- return MEVENT_DOUBLECLICK_DRAG;
- }
- return MEVENT_DOUBLECLICK_HOLD;
-
- default:
- return MEVENT_NO_EVENT;
- }
-}
-
-bool Events::kbdCheck(uint32 &keyCode) {
- if (_keyCode == 0)
- return false;
-
- keyCode = _keyCode;
- _keyCode = 0;
- return true;
-}
-
-
-/*--------------------------------------------------------------------------*
- * Mouse *
- * *
- * Implements an interface to the mouse *
- *--------------------------------------------------------------------------*/
-
-Mouse::Mouse(MadsM4Engine *vm) : _vm(vm) {
- _locked = false;
- _cursorOn = false;
- _cursor = NULL;
- _cursorSprites = NULL;
- resetMouse();
-}
-
-Mouse::~Mouse() {
- delete _cursorSprites;
-}
-
-bool Mouse::init(const char *seriesName, RGB8 *palette) {
- Common::SeekableReadStream *stream = _vm->res()->get(seriesName);
- int colorCount = 0;
- RGB8* cursorPalette;
-
- _cursorSprites = new SpriteAsset(_vm, stream, stream->size(), seriesName);
-
- // Remove cursor special pixels and set the mouse cursor hotspot in MADS games
- if (!_vm->isM4()) {
- byte *data = NULL;
- for (int i = 0; i < _cursorSprites->getCount(); i++) {
- bool hotSpotSet = false;
-
- for (int x = 0; x < _cursorSprites->getFrame(i)->width(); x++) {
- for (int y = 0; y < _cursorSprites->getFrame(i)->height(); y++) {
- data = _cursorSprites->getFrame(i)->getBasePtr(x, y);
- if (*data == 1) {
- // It seems that some cursors have more than one hotspot
- // In such a case, the first hotspot seems to set the x and
- // the second one the y hotspot offset
- if (!hotSpotSet) {
- _cursorSprites->getFrame(i)->xOffset = x;
- _cursorSprites->getFrame(i)->yOffset = y;
- hotSpotSet = true;
- } else {
- _cursorSprites->getFrame(i)->yOffset = y;
- }
- *data = 0;
- }
- } // for y
- } // for x
- } // for i
- }
-
- colorCount = _cursorSprites->getColorCount();
- cursorPalette = _cursorSprites->getPalette();
- _vm->_palette->setPalette(cursorPalette, 0, colorCount);
-
- //debugCN(kDebugCore, "Cursor count: %d\n", _cursorSprites->getCount());
-
- _vm->res()->toss(seriesName);
-
- _currentCursor = -1;
- return true;
-}
-
-bool Mouse::setCursorNum(int cursorIndex) {
- if ((cursorIndex < 0) || (cursorIndex >= (int)_cursorSprites->getCount()))
- return false;
-
- _lockedCursor = cursorIndex;
- if (_locked)
- // Cursor is locked, so don't go ahead with changing cursor
- return true;
-
- _currentCursor = _lockedCursor;
- _cursor = _cursorSprites->getFrame(cursorIndex);
-
- // Set the cursor to the sprite
- CursorMan.replaceCursor((const byte *)_cursor->getBasePtr(), _cursor->width(), _cursor->height(),
- _cursor->xOffset, _cursor->yOffset, TRANSPARENT_COLOR_INDEX);
-
- return true;
-}
-
-int Mouse::cursorCount() {
- return _cursorSprites->getCount();
-}
-
-void Mouse::cursorOn() {
- _cursorOn = true;
- CursorMan.showMouse(!inHideArea());
-}
-
-void Mouse::cursorOff() {
- _cursorOn = false;
- CursorMan.showMouse(false);
-}
-
-void Mouse::lockCursor(int cursorIndex) {
- _locked = false;
- setCursorNum(cursorIndex);
- _locked = true;
-}
-
-void Mouse::unlockCursor() {
- _locked = false;
- setCursorNum(_lockedCursor);
-}
-
-const char *Mouse::getVerb() {
- switch (_vm->_mouse->getCursorNum()) {
- case CURSOR_LOOK:
- return "LOOK AT";
- case CURSOR_TAKE:
- return "TAKE";
- case CURSOR_USE:
- return "GEAR";
- default:
- return NULL;
- }
-}
-
-void Mouse::resetMouse() {
- _hideRect.left = -1;
- _hideRect.top = -1;
- _hideRect.right = -1;
- _hideRect.bottom = -1;
- _showRect.left = -1;
- _showRect.top = -1;
- _showRect.right = -1;
- _showRect.bottom = -1;
-}
-
-void Mouse::setHideRect(Common::Rect &r) {
- _hideRect = r;
-}
-
-void Mouse::setShowRect(Common::Rect &r) {
- _showRect = r;
-}
-
-const Common::Rect *Mouse::getHideRect() {
- return &_hideRect;
-}
-
-const Common::Rect *Mouse::getShowRect() {
- if ((_showRect.top == -1) || (_showRect.left == -1)) {
- // Show rectangle uninitialised - set it to current screen dimensions
- _showRect.top = 0;
- _showRect.left = 0;
- _showRect.right = _vm->_screen->width() - 1;
- _showRect.bottom = _vm->_screen->height() -1;
- }
-
- return &_showRect;
-}
-
-void Mouse::handleEvent(Common::Event &event) {
- _currentPos.x = event.mouse.x;
- _currentPos.y = event.mouse.y;
-
- // If mouse is turned on, check to see if the position is in the hide rect, or outside the show rect.
- // If so, handle toggling the visibility of the mouse
- bool showFlag = !inHideArea();
- if (_cursorOn && (CursorMan.isVisible() != showFlag)) {
- CursorMan.showMouse(showFlag);
- }
-}
-
-bool Mouse::inHideArea() {
- // Returns true if the mouse is inside a specified hide rect, or if a show rect is specified and
- // the mouse is currently outside it
- if ((_currentPos.x >= _hideRect.left) && (_currentPos.x <= _hideRect.right) &&
- (_currentPos.y >= _hideRect.top) && (_currentPos.y <= _hideRect.bottom))
- // Inside a hide area
- return true;
-
-
- if ((_showRect.top == -1) && (_showRect.left == -1))
- // No show rect defined
- return false;
-
- // Return true if the mouse is outside the show area
- return (_currentPos.x < _showRect.left) || (_currentPos.x > _showRect.right) ||
- (_currentPos.y < _showRect.top) || (_currentPos.y > _showRect.bottom);
-}
-
-} // End of namespace M4
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