mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-15 14:18:37 +00:00
266 lines
6.5 KiB
C++
266 lines
6.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/scummsys.h"
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#include "graphics/cursorman.h"
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#include "common/events.h"
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#include "engines/util.h"
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#include "mads/mads.h"
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#include "mads/events.h"
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#include "mads/scene.h"
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namespace MADS {
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EventsManager::EventsManager(MADSEngine *vm) {
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_vm = vm;
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_cursorSprites = nullptr;
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_cursorId = CURSOR_NONE;
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_newCursorId = CURSOR_NONE;
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_frameCounter = 10;
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_priorFrameTime = 0;
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_mouseClicked = false;
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_mouseReleased = false;
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_mouseButtons = 0;
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_mouseStatus = 0;
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_strokeGoing = 0;
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_mouseStatusCopy = 0;
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_mouseMoved = false;
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_rightMousePressed = false;
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_eventTarget = nullptr;
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}
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EventsManager::~EventsManager() {
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freeCursors();
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}
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void EventsManager::loadCursors(const Common::String &spritesName) {
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delete _cursorSprites;
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_cursorSprites = new SpriteAsset(_vm, spritesName, 0x4000);
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}
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void EventsManager::setCursor(CursorType cursorId) {
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_cursorId = cursorId;
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changeCursor();
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}
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void EventsManager::setCursor2(CursorType cursorId) {
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_cursorId = cursorId;
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_newCursorId = cursorId;
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changeCursor();
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}
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void EventsManager::showCursor() {
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CursorMan.showMouse(true);
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}
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void EventsManager::hideCursor() {
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CursorMan.showMouse(false);
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}
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bool EventsManager::isCursorVisible() {
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return CursorMan.isVisible();
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}
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void EventsManager::waitCursor() {
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CursorType cursorId = (CursorType)MIN(_cursorSprites->getCount(), (int)CURSOR_WAIT);
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_newCursorId = cursorId;
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if (_cursorId != _newCursorId) {
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_cursorId = _newCursorId;
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changeCursor();
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}
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}
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void EventsManager::changeCursor() {
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if (_cursorSprites) {
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MSprite *cursor = _cursorSprites->getFrame(_cursorId - 1);
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assert(cursor->w == cursor->h);
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byte transIndex = cursor->getTransparencyIndex();
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// Check for hotspot indication pixels along the right-hand and bottom
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// row. Put together, these give the cursor's hotspot x,y
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int hotspotX = 0, hotspotY = 0;
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const byte *cursorData = (const byte *)cursor->getPixels();
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for (int idx = 0; idx < cursor->w; ++idx) {
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if (cursorData[(cursor->h - 1) * cursor->w + idx] != transIndex)
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hotspotX = idx;
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if (cursorData[(idx + 1) * cursor->w - 1] != transIndex)
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hotspotY = idx;
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}
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// Reduce the cursor data to remove the last column from each row, since
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// the cursor routines don't have a pitch option
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byte *destCursor = new byte[(cursor->w - 1) * (cursor->h - 1)];
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const byte *srcP = cursorData;
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byte *destP = destCursor;
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for (int idx = 0; idx < (cursor->h - 1); ++idx) {
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Common::copy(srcP, srcP + cursor->w - 1, destP);
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srcP += cursor->w;
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destP += cursor->w - 1;
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}
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// Set the raw cursor data to use
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CursorMan.replaceCursor(destCursor, cursor->w - 1, cursor->h - 1,
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hotspotX, hotspotY, transIndex);
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showCursor();
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delete[] destCursor;
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}
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}
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void EventsManager::freeCursors() {
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delete _cursorSprites;
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_cursorSprites = nullptr;
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}
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void EventsManager::pollEvents() {
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checkForNextFrameCounter();
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_mouseMoved = false;
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Common::Event event;
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while (g_system->getEventManager()->pollEvent(event)) {
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// If an event target is specified, pass the event to it
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if (_eventTarget) {
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_eventTarget->onEvent(event);
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continue;
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}
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// Handle keypress
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switch (event.type) {
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case Common::EVENT_QUIT:
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case Common::EVENT_RTL:
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return;
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case Common::EVENT_KEYDOWN:
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// Check for debugger
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_pendingKeys.push(event.kbd);
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return;
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case Common::EVENT_KEYUP:
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return;
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case Common::EVENT_WHEELUP:
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_pendingKeys.push(Common::KeyState(Common::KEYCODE_PAGEUP));
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return;
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case Common::EVENT_WHEELDOWN:
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_pendingKeys.push(Common::KeyState(Common::KEYCODE_PAGEDOWN));
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return;
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case Common::EVENT_LBUTTONDOWN:
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case Common::EVENT_RBUTTONDOWN:
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_mouseClicked = true;
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_mouseButtons = 1;
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_mouseMoved = true;
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if (event.type == Common::EVENT_RBUTTONDOWN) {
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_rightMousePressed = true;
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_mouseStatus |= 2;
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} else {
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_mouseStatus |= 1;
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}
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return;
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case Common::EVENT_LBUTTONUP:
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case Common::EVENT_RBUTTONUP:
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_mouseClicked = false;
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_mouseReleased = true;
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_mouseMoved = true;
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_rightMousePressed = false;
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if (event.type == Common::EVENT_RBUTTONUP) {
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_mouseStatus &= ~2;
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} else {
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_mouseStatus &= ~1;
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}
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return;
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case Common::EVENT_MOUSEMOVE:
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_mousePos = event.mouse;
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_currentPos = event.mouse;
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_mouseMoved = true;
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break;
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default:
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break;
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}
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}
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}
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bool EventsManager::checkForNextFrameCounter() {
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// Check for next game frame
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uint32 milli = g_system->getMillis();
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if ((milli - _priorFrameTime) >= GAME_FRAME_TIME) {
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++_frameCounter;
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_priorFrameTime = milli;
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// Do any palette cycling
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_vm->_game->_scene.animatePalette();
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// Display the frame
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_vm->_screen->update();
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return true;
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}
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return false;
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}
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void EventsManager::delay(int cycles) {
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uint32 totalMilli = cycles * 1000 / GAME_FRAME_RATE;
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uint32 delayEnd = g_system->getMillis() + totalMilli;
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while (!_vm->shouldQuit() && g_system->getMillis() < delayEnd) {
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g_system->delayMillis(10);
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pollEvents();
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}
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}
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void EventsManager::waitForNextFrame() {
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_mouseClicked = false;
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_mouseReleased = false;
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_mouseButtons = 0;
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bool mouseClicked = false;
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bool mouseReleased = false;
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int mouseButtons = 0;
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uint32 frameCtr = getFrameCounter();
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while (!_vm->shouldQuit() && frameCtr == _frameCounter) {
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delay(1);
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mouseClicked |= _mouseClicked;
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mouseReleased |= _mouseReleased;
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mouseButtons |= _mouseButtons;
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}
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_mouseClicked = mouseClicked;
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_mouseReleased = mouseReleased;
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_mouseButtons = mouseButtons;
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_mouseMoved |= _mouseClicked || _mouseReleased;
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}
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void EventsManager::initVars() {
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_mousePos = Common::Point(-1, -1);
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_mouseStatusCopy = _mouseStatus;
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_strokeGoing = 0;
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}
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void EventsManager::clearEvents() {
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_pendingKeys.clear();
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}
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} // End of namespace MADS
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