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Diffstat (limited to 'engines/access/events.cpp')
-rw-r--r-- | engines/access/events.cpp | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/engines/access/events.cpp b/engines/access/events.cpp new file mode 100644 index 0000000000..6ffe67acfb --- /dev/null +++ b/engines/access/events.cpp @@ -0,0 +1,373 @@ +/* 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 "common/scummsys.h" +#include "graphics/cursorman.h" +#include "common/events.h" +#include "common/endian.h" +#include "engines/util.h" +#include "access/access.h" +#include "access/events.h" +#include "access/player.h" +#include "access/amazon/amazon_resources.h" + +#define CURSOR_WIDTH 16 +#define CURSOR_HEIGHT 16 + +namespace Access { + +EventsManager::EventsManager(AccessEngine *vm) : _vm(vm) { + _cursorId = CURSOR_NONE; + _normalMouse = CURSOR_CROSSHAIRS; + _frameCounter = 10; + _priorFrameTime = 0; + _leftButton = _rightButton = false; + _middleButton = false; + _wheelUp = _wheelDown = false; + _mouseCol = _mouseRow = 0; + _cursorExitFlag = false; + _vbCount = 0; + _keyCode = Common::KEYCODE_INVALID; + _priorTimerTime = 0; +} + +EventsManager::~EventsManager() { + _invCursor.free(); +} + +void EventsManager::forceSetCursor(CursorType cursorId) { + setNormalCursor(cursorId); + setCursor(cursorId); +} + +void EventsManager::setNormalCursor(CursorType cursorId) { + _normalMouse = cursorId; +} + +void EventsManager::setCursor(CursorType cursorId) { + if (cursorId == _cursorId) + return; + _cursorId = cursorId; + + if (cursorId == CURSOR_INVENTORY) { + // Set the cursor + CursorMan.replaceCursor(_invCursor.getPixels(), _invCursor.w, _invCursor.h, + _invCursor.w / 2, _invCursor.h / 2, 0); + } else { + // Get a pointer to the mouse data to use, and get the cursor hotspot + const byte *srcP = Amazon::CURSORS[cursorId]; + int hotspotX = (int16)READ_LE_UINT16(srcP); + int hotspotY = (int16)READ_LE_UINT16(srcP + 2); + srcP += 4; + + // Create a surface to build up the cursor on + Graphics::Surface cursorSurface; + cursorSurface.create(16, 16, Graphics::PixelFormat::createFormatCLUT8()); + byte *destP = (byte *)cursorSurface.getPixels(); + Common::fill(destP, destP + CURSOR_WIDTH * CURSOR_HEIGHT, 0); + + // Loop to build up the cursor + for (int y = 0; y < CURSOR_HEIGHT; ++y) { + destP = (byte *)cursorSurface.getBasePtr(0, y); + int width = CURSOR_WIDTH; + int skip = *srcP++; + int plot = *srcP++; + if (skip >= width) + break; + + // Skip over pixels + destP += skip; + width -= skip; + + // Write out the pixels to plot + while (plot > 0 && width > 0) { + *destP++ = *srcP++; + --plot; + --width; + } + } + + // Set the cursor + CursorMan.replaceCursor(cursorSurface.getPixels(), CURSOR_WIDTH, CURSOR_HEIGHT, + hotspotX, hotspotY, 0); + + // Free the cursor surface + cursorSurface.free(); + } +} + +void EventsManager::setCursorData(Graphics::Surface *src, const Common::Rect &r) { + _invCursor.create(r.width(), r.height(), Graphics::PixelFormat::createFormatCLUT8()); + _invCursor.copyRectToSurface(*src, 0, 0, r); +} + +void EventsManager::showCursor() { + CursorMan.showMouse(true); +} + +void EventsManager::hideCursor() { + CursorMan.showMouse(false); +} + +bool EventsManager::isCursorVisible() { + return CursorMan.isVisible(); +} + +void EventsManager::pollEvents(bool skipTimers) { + if (checkForNextFrameCounter()) { + nextFrame(); + } + + if (checkForNextTimerUpdate() && !skipTimers) + nextTimer(); + + _vm->_sound->checkSoundQueue(); + + _wheelUp = _wheelDown = false; + + Common::Event event; + while (g_system->getEventManager()->pollEvent(event)) { + switch (event.type) { + case Common::EVENT_QUIT: + case Common::EVENT_RTL: + return; + + case Common::EVENT_KEYDOWN: + // Check for debugger + if (event.kbd.keycode == Common::KEYCODE_d && (event.kbd.flags & Common::KBD_CTRL)) { + // Attach to the debugger + _vm->_debugger->attach(); + _vm->_debugger->onFrame(); + } else { + keyControl(event.kbd.keycode, true); + } + return; + case Common::EVENT_KEYUP: + keyControl(event.kbd.keycode, false); + return; + case Common::EVENT_MOUSEMOVE: + _mousePos = event.mouse; + _mouseCol = _mousePos.x / 8; + _mouseRow = _mousePos.y / 8; + break; + case Common::EVENT_LBUTTONDOWN: + _leftButton = true; + return; + case Common::EVENT_LBUTTONUP: + _leftButton = false; + return; + case Common::EVENT_RBUTTONDOWN: + _rightButton = true; + return; + case Common::EVENT_RBUTTONUP: + _rightButton = false; + return; + case Common::EVENT_MBUTTONDOWN: + _middleButton = true; + return; + case Common::EVENT_MBUTTONUP: + _middleButton = false; + return; + case Common::EVENT_WHEELUP: + _wheelUp = true; + return; + case Common::EVENT_WHEELDOWN: + _wheelDown = true; + return; + default: + break; + } + } +} + +void EventsManager::keyControl(Common::KeyCode keycode, bool isKeyDown) { + Player &player = *_vm->_player; + + if (!isKeyDown) { + if (player._move != NONE) { + _keyCode = Common::KEYCODE_INVALID; + player._move = NONE; + } + return; + } + + _keyCode = keycode; + + switch (keycode) { + case Common::KEYCODE_UP: + case Common::KEYCODE_KP8: + player._move = UP; + break; + case Common::KEYCODE_DOWN: + case Common::KEYCODE_KP2: + player._move = DOWN; + break; + case Common::KEYCODE_LEFT: + case Common::KEYCODE_KP4: + player._move = LEFT; + break; + case Common::KEYCODE_RIGHT: + case Common::KEYCODE_KP6: + player._move = RIGHT; + break; + case Common::KEYCODE_KP7: + player._move = UPLEFT; + break; + case Common::KEYCODE_KP9: + player._move = UPRIGHT; + break; + case Common::KEYCODE_KP1: + player._move = DOWNLEFT; + break; + case Common::KEYCODE_KP3: + player._move = DOWNRIGHT; + break; + default: + break; + } +} + +void EventsManager::pollEventsAndWait() { + pollEvents(); + delay(); +} + +bool EventsManager::checkForNextFrameCounter() { + // Check for next game frame + uint32 milli = g_system->getMillis(); + if ((milli - _priorFrameTime) >= GAME_FRAME_TIME) { + --_vbCount; + ++_frameCounter; + _priorFrameTime = milli; + + return true; + } + + return false; +} + +bool EventsManager::checkForNextTimerUpdate() { + // Check for next timer update + uint32 milli = g_system->getMillis(); + if ((milli - _priorTimerTime) >= GAME_TIMER_TIME) { + _priorTimerTime = milli; + + return true; + } + + return false; +} + +void EventsManager::nextFrame() { + // Give time to the debugger + _vm->_debugger->onFrame(); + + // TODO: Refactor for dirty rects + _vm->_screen->updateScreen(); +} + +void EventsManager::nextTimer() { + _vm->_animation->updateTimers(); + _vm->_timers.updateTimers(); +} + +void EventsManager::delay(int time) { + g_system->delayMillis(time); +} + +void EventsManager::zeroKeys() { + _keyCode = Common::KEYCODE_INVALID; +} + +bool EventsManager::getKey(Common::KeyState &key) { + if (_keyCode == Common::KEYCODE_INVALID) { + return false; + } else { + key = _keyCode; + _keyCode = Common::KEYCODE_INVALID; + return true; + } +} + +bool EventsManager::isKeyPending() const { + return _keyCode != Common::KEYCODE_INVALID; +} + +void EventsManager::debounceLeft() { + while (_leftButton && !_vm->shouldQuit()) { + pollEventsAndWait(); + } +} + +void EventsManager::clearEvents() { + _leftButton = _rightButton = false; + zeroKeys(); +} + +void EventsManager::waitKeyMouse() { + while (!_vm->shouldQuit() && !isKeyMousePressed()) { + pollEvents(true); + delay(); + } +} + +Common::Point EventsManager::calcRawMouse() { + Common::Point pt; + Screen &screen = *_vm->_screen; + pt.x = _mousePos.x - screen._windowXAdd + + (_vm->_scrollCol * TILE_WIDTH) + _vm->_scrollX; + pt.y = _mousePos.y - screen._screenYOff - screen._windowYAdd + + (_vm->_scrollRow * TILE_HEIGHT) + _vm->_scrollY; + + return pt; +} + +int EventsManager::checkMouseBox1(Common::Array<Common::Rect> &rects) { + for (uint16 i = 0; i < rects.size(); ++i) { + if (rects[i].left == -1) + return -1; + + if ((_mousePos.x > rects[i].left) && (_mousePos.x < rects[i].right) + && (_mousePos.y > rects[i].top) && (_mousePos.y < rects[i].bottom)) + return i; + } + + return -1; +} + +bool EventsManager::isKeyMousePressed() { + bool result = _leftButton || _rightButton || isKeyPending(); + debounceLeft(); + zeroKeys(); + + return result; +} + +void EventsManager::centerMousePos() { + _mousePos = Common::Point(160, 100); +} + +void EventsManager::restrictMouse() { + // No implementation in ScummVM +} + +} // End of namespace Access |