scummvm/engines/cge/events.cpp
2020-02-04 19:05:26 -08:00

329 lines
8.0 KiB
C++

/* 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 code is based on original Soltys source code
* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
*/
#include "gui/saveload.h"
#include "common/config-manager.h"
#include "common/events.h"
#include "engines/advancedDetector.h"
#include "cge/events.h"
#include "cge/events.h"
#include "cge/text.h"
#include "cge/cge_main.h"
namespace CGE {
/*----------------- KEYBOARD interface -----------------*/
Keyboard::Keyboard(CGEEngine *vm) : _client(NULL), _vm(vm) {
_keyAlt = false;
}
Keyboard::~Keyboard() {
}
Sprite *Keyboard::setClient(Sprite *spr) {
SWAP(_client, spr);
return spr;
}
bool Keyboard::getKey(Common::Event &event) {
Common::KeyCode keycode = event.kbd.keycode;
if (((keycode == Common::KEYCODE_LALT) || (keycode == Common::KEYCODE_RALT)) && event.type == Common::EVENT_KEYDOWN)
_keyAlt = true;
else
_keyAlt = false;
switch (keycode) {
case Common::KEYCODE_F1:
if (event.type == Common::EVENT_KEYUP)
return false;
// Display ScummVM version and translation strings
for (int i = 0; i < 5; i++)
_vm->_commandHandler->addCommand(kCmdInf, 1, kShowScummVMVersion + i, NULL);
return false;
case Common::KEYCODE_F5:
_vm->saveGameDialog();
return false;
case Common::KEYCODE_F7:
_vm->loadGameDialog();
return false;
case Common::KEYCODE_d:
if (event.kbd.flags & Common::KBD_CTRL) {
// Start the debugger
_vm->getDebugger()->attach();
_vm->getDebugger()->onFrame();
return false;
}
break;
case Common::KEYCODE_x:
if (event.kbd.flags & Common::KBD_ALT) {
_vm->quit();
return false;
}
break;
case Common::KEYCODE_0:
case Common::KEYCODE_1:
case Common::KEYCODE_2:
case Common::KEYCODE_3:
case Common::KEYCODE_4:
if (event.kbd.flags & Common::KBD_ALT) {
_vm->_commandHandler->addCommand(kCmdLevel, -1, keycode - Common::KEYCODE_0, NULL);
return false;
}
// fall through
case Common::KEYCODE_5:
case Common::KEYCODE_6:
case Common::KEYCODE_7:
case Common::KEYCODE_8:
if (event.type == Common::EVENT_KEYDOWN && !(event.kbd.flags & Common::KBD_ALT) && keycode != Common::KEYCODE_0) {
_vm->selectPocket(keycode - Common::KEYCODE_1);
return false;
}
break;
default:
break;
}
return true;
}
void Keyboard::newKeyboard(Common::Event &event) {
if (!getKey(event))
return;
if ((event.type == Common::EVENT_KEYDOWN) && (_client)) {
CGEEvent &evt = _vm->_eventManager->getNextEvent();
evt._x = 0;
evt._y = 0;
evt._keyCode = event.kbd.keycode; // Keycode
evt._mask = kEventKeyb; // Event mask
evt._spritePtr = _client; // Sprite pointer
}
}
/*----------------- MOUSE interface -----------------*/
Mouse::Mouse(CGEEngine *vm) : Sprite(vm, NULL), _busy(NULL), _hold(NULL), _hx(0), _vm(vm) {
_hold = NULL;
_hx = 0;
_hy = 0;
_exist = true;
_buttons = 0;
_busy = NULL;
_active = false;
_flags._kill = false;
const Seq ms[] = {
{ 0, 0, 0, 0, 1 },
{ 1, 1, 0, 0, 1 }
};
Seq *seq = (Seq *)malloc(2 * sizeof(Seq));
Common::copy(ms, ms + 2, seq);
setSeq(seq);
BitmapPtr *MC = new BitmapPtr[3];
MC[0] = new Bitmap(_vm, "MOUSE");
MC[1] = new Bitmap(_vm, "DUMMY");
MC[2] = NULL;
setShapeList(MC);
gotoxy(kScrWidth / 2, kScrHeight / 2);
_z = 127;
step(1);
}
Mouse::~Mouse() {
off();
}
void Mouse::on() {
if (_seqPtr && _exist) {
_active = true;
step(0);
if (_busy)
_busy->step(0);
}
}
void Mouse::off() {
if (_seqPtr == 0) {
if (_exist) {
_active = false;
}
step(1);
if (_busy)
_busy->step(1);
}
}
void Mouse::newMouse(Common::Event &event) {
if (!_active)
return;
CGEEvent &evt = _vm->_eventManager->getNextEvent();
evt._x = event.mouse.x;
evt._y = event.mouse.y;
evt._keyCode = Common::KEYCODE_INVALID;
evt._spritePtr = _vm->spriteAt(evt._x, evt._y);
switch (event.type) {
case Common::EVENT_MOUSEMOVE:
evt._mask = kMouseRoll;
break;
case Common::EVENT_LBUTTONDOWN:
evt._mask = kMouseLeftDown;
_buttons |= 1;
break;
case Common::EVENT_LBUTTONUP:
evt._mask = kMouseLeftUp;
_buttons &= ~1;
break;
case Common::EVENT_RBUTTONDOWN:
evt._mask = kMouseRightDown;
_buttons |= 2;
break;
case Common::EVENT_RBUTTONUP:
evt._mask = kMouseRightUp;
_buttons &= ~2;
break;
default:
break;
}
}
/*----------------- EventManager interface -----------------*/
EventManager::EventManager(CGEEngine *vm) : _vm(vm){
_eventQueueHead = 0;
_eventQueueTail = 0;
for (uint16 k = 0; k < kEventMax; k++) {
_eventQueue[k]._mask = 0;
_eventQueue[k]._x = 0;
_eventQueue[k]._y = 0;
_eventQueue[k]._spritePtr = nullptr;
}
_event.joystick.axis = 0;
_event.joystick.position = 0;
_event.joystick.button = 0;
}
void EventManager::poll() {
while (g_system->getEventManager()->pollEvent(_event)) {
switch (_event.type) {
case Common::EVENT_KEYDOWN:
case Common::EVENT_KEYUP:
// Handle keyboard events
_vm->_keyboard->newKeyboard(_event);
handleEvents();
break;
case Common::EVENT_MOUSEMOVE:
case Common::EVENT_LBUTTONDOWN:
case Common::EVENT_LBUTTONUP:
case Common::EVENT_RBUTTONDOWN:
case Common::EVENT_RBUTTONUP:
// Handle mouse events
_vm->_mouse->newMouse(_event);
handleEvents();
break;
default:
break;
}
}
}
void EventManager::handleEvents() {
while (_eventQueueTail != _eventQueueHead) {
CGEEvent e = _eventQueue[_eventQueueTail];
if (e._mask) {
if (_vm->_mouse->_hold && e._spritePtr != _vm->_mouse->_hold)
_vm->_mouse->_hold->touch(e._mask | kEventAttn, e._x - _vm->_mouse->_hold->_x, e._y - _vm->_mouse->_hold->_y, e._keyCode);
// update mouse cursor position
if (e._mask & kMouseRoll)
_vm->_mouse->gotoxy(e._x, e._y);
// activate current touched SPRITE
if (e._spritePtr) {
if (e._mask & kEventKeyb)
e._spritePtr->touch(e._mask, e._x, e._y, e._keyCode);
else
e._spritePtr->touch(e._mask, e._x - e._spritePtr->_x, e._y - e._spritePtr->_y, e._keyCode);
} else if (_vm->_sys)
_vm->_sys->touch(e._mask, e._x, e._y, e._keyCode);
if (e._mask & kMouseLeftDown) {
_vm->_mouse->_hold = e._spritePtr;
if (_vm->_mouse->_hold) {
_vm->_mouse->_hold->_flags._hold = true;
if (_vm->_mouse->_hold->_flags._drag) {
_vm->_mouse->_hx = e._x - _vm->_mouse->_hold->_x;
_vm->_mouse->_hy = e._y - _vm->_mouse->_hold->_y;
}
}
}
if (e._mask & kMouseLeftUp) {
if (_vm->_mouse->_hold) {
_vm->_mouse->_hold->_flags._hold = false;
_vm->_mouse->_hold = NULL;
}
}
///Touched = e.Ptr;
// discard Text if button released
if (e._mask & (kMouseLeftUp | kMouseRightUp))
_vm->killText();
}
_eventQueueTail = (_eventQueueTail + 1) % kEventMax;
}
if (_vm->_mouse->_hold) {
if (_vm->_mouse->_hold->_flags._drag)
_vm->_mouse->_hold->gotoxy(_vm->_mouse->_x - _vm->_mouse->_hx, _vm->_mouse->_y - _vm->_mouse->_hy);
}
}
void EventManager::clearEvent(Sprite *spr) {
if (spr) {
for (uint16 e = _eventQueueTail; e != _eventQueueHead; e = (e + 1) % kEventMax)
if (_eventQueue[e]._spritePtr == spr)
_eventQueue[e]._mask = 0;
} else
_eventQueueTail = _eventQueueHead;
}
CGEEvent &EventManager::getNextEvent() {
CGEEvent &evt = _eventQueue[_eventQueueHead];
_eventQueueHead = (_eventQueueHead + 1) % kEventMax;
return evt;
}
} // End of namespace CGE