mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-21 09:21:08 +00:00
455 lines
13 KiB
C++
455 lines
13 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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* 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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* 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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* $URL$
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* $Id$
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*
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*/
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#include "common/system.h"
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#include "common/events.h"
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#include "common/file.h"
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#include "sci/sci.h"
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#include "sci/event.h"
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#include "sci/console.h"
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#include "sci/engine/state.h"
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#include "sci/engine/kernel.h"
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namespace Sci {
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EventManager::EventManager(bool fontIsExtended) : _fontIsExtended(fontIsExtended), _modifierStates(0) {
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if (getSciVersion() >= SCI_VERSION_1_MIDDLE) {
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_usesNewKeyboardDirectionType = true;
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} else if (getSciVersion() <= SCI_VERSION_01) {
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_usesNewKeyboardDirectionType = false;
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} else {
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// they changed this somewhere inbetween SCI1EGA/EARLY
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_usesNewKeyboardDirectionType = false;
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// We are looking if script 933 exists, that one has the PseudoMouse class in it that handles it
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// The good thing is that PseudoMouse seems to only exists in games that use the new method
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if (g_sci->getResMan()->testResource(ResourceId(kResourceTypeScript, 933)))
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_usesNewKeyboardDirectionType = true;
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// Checking the keyboard driver size in here would also be a valid method, but the driver is only available
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// in PC versions of the game
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}
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}
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EventManager::~EventManager() {
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}
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bool EventManager::getUsesNewKeyboardDirectionType() {
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return _usesNewKeyboardDirectionType;
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}
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struct ScancodeRow {
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int offset;
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const char *keys;
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};
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static const ScancodeRow s_scancodeRows[] = {
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{0x10, "QWERTYUIOP[]"},
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{0x1e, "ASDFGHJKL;'\\"},
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{0x2c, "ZXCVBNM,./"}
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};
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static int altify(int ch) {
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// Calculates a PC keyboard scancode from a character */
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int row;
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int c = toupper((char)ch);
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for (row = 0; row < ARRAYSIZE(s_scancodeRows); row++) {
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const char *keys = s_scancodeRows[row].keys;
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int offset = s_scancodeRows[row].offset;
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while (*keys) {
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if (*keys == c)
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return offset << 8;
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offset++;
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keys++;
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}
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}
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return ch;
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}
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/*
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static int numlockify(int c) {
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switch (c) {
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case SCI_KEY_DELETE:
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return '.';
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case SCI_KEY_INSERT:
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return '0';
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case SCI_KEY_END:
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return '1';
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case SCI_KEY_DOWN:
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return '2';
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case SCI_KEY_PGDOWN:
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return '3';
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case SCI_KEY_LEFT:
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return '4';
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case SCI_KEY_CENTER:
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return '5';
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case SCI_KEY_RIGHT:
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return '6';
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case SCI_KEY_HOME:
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return '7';
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case SCI_KEY_UP:
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return '8';
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case SCI_KEY_PGUP:
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return '9';
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default:
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return c; // Unchanged
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}
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}
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*/
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static const byte codepagemap_88591toDOS[0x80] = {
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0x8x
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', '?', // 0x9x
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'?', 0xad, 0x9b, 0x9c, '?', 0x9d, '?', 0x9e, '?', '?', 0xa6, 0xae, 0xaa, '?', '?', '?', // 0xAx
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'?', '?', '?', '?', '?', '?', '?', '?', '?', '?', 0xa7, 0xaf, 0xac, 0xab, '?', 0xa8, // 0xBx
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'?', '?', '?', '?', 0x8e, 0x8f, 0x92, 0x80, '?', 0x90, '?', '?', '?', '?', '?', '?', // 0xCx
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'?', 0xa5, '?', '?', '?', '?', 0x99, '?', '?', '?', '?', '?', 0x9a, '?', '?', 0xe1, // 0xDx
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0x85, 0xa0, 0x83, '?', 0x84, 0x86, 0x91, 0x87, 0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b, // 0xEx
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'?', 0xa4, 0x95, 0xa2, 0x93, '?', 0x94, '?', '?', 0x97, 0xa3, 0x96, 0x81, '?', '?', 0x98 // 0xFx
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};
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SciEvent EventManager::getScummVMEvent() {
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SciEvent input = { SCI_EVENT_NONE, 0, 0, 0 };
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Common::EventManager *em = g_system->getEventManager();
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Common::Event ev;
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bool found = em->pollEvent(ev);
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Common::Point p = ev.mouse;
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// Don't generate events for mouse movement
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while (found && ev.type == Common::EVENT_MOUSEMOVE) {
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found = em->pollEvent(ev);
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}
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if (found && ev.type != Common::EVENT_MOUSEMOVE) {
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int modifiers = em->getModifierState();
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// We add the modifier key status to buckybits
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//TODO: SCI_EVM_INSERT
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input.modifiers =
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((modifiers & Common::KBD_ALT) ? SCI_KEYMOD_ALT : 0) |
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((modifiers & Common::KBD_CTRL) ? SCI_KEYMOD_CTRL : 0) |
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((modifiers & Common::KBD_SHIFT) ? SCI_KEYMOD_LSHIFT | SCI_KEYMOD_RSHIFT : 0) |
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((ev.kbd.flags & Common::KBD_NUM) ? SCI_KEYMOD_NUMLOCK : 0) |
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((ev.kbd.flags & Common::KBD_CAPS) ? SCI_KEYMOD_CAPSLOCK : 0) |
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((ev.kbd.flags & Common::KBD_SCRL) ? SCI_KEYMOD_SCRLOCK : 0) |
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_modifierStates;
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switch (ev.type) {
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// Keyboard events
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case Common::EVENT_KEYDOWN:
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input.data = ev.kbd.keycode;
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input.character = ev.kbd.ascii;
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// Debug console
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if (ev.kbd.hasFlags(Common::KBD_CTRL) && ev.kbd.keycode == Common::KEYCODE_d) {
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// Open debug console
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Console *con = g_sci->getSciDebugger();
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con->attach();
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// Clear keyboard event
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input.type = SCI_EVENT_NONE;
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input.character = 0;
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input.data = 0;
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input.modifiers = 0;
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return input;
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}
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if (!(input.data & 0xFF00)) {
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// Directly accept most common keys without conversion
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input.type = SCI_EVENT_KEYBOARD;
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if ((input.character >= 0x80) && (input.character <= 0xFF)) {
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// If there is no extended font, we will just clear the current event
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// Sierra SCI actually accepted those characters, but didn't display them inside textedit-controls
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// because the characters were missing inside the font(s)
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// We filter them out for non-multilingual games because of that
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if (!_fontIsExtended) {
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input.type = SCI_EVENT_NONE;
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input.character = 0;
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input.data = 0;
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input.modifiers = 0;
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return input;
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}
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// we get 8859-1 character, we need dos (cp850/437) character for multilingual sci01 games
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// TODO: check, if we get 8859-1 on all platforms
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// Currently checked: Windows XP (works), Wii w/ USB keyboard (works), Mac OS X (works)
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// Ubuntu (works)
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input.character = codepagemap_88591toDOS[input.character & 0x7f];
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}
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if (input.data == Common::KEYCODE_TAB) {
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// Tab
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input.type = SCI_EVENT_KEYBOARD;
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input.data = SCI_KEY_TAB;
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if (input.modifiers & (SCI_KEYMOD_LSHIFT | SCI_KEYMOD_RSHIFT))
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input.character = SCI_KEY_SHIFT_TAB;
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else
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input.character = SCI_KEY_TAB;
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}
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if (input.data == Common::KEYCODE_DELETE) {
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// Delete key
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input.type = SCI_EVENT_KEYBOARD;
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input.data = input.character = SCI_KEY_DELETE;
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}
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} else if ((input.data >= Common::KEYCODE_F1) && input.data <= Common::KEYCODE_F10) {
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// F1-F10
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input.type = SCI_EVENT_KEYBOARD;
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// SCI_K_F1 == 59 << 8
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// SCI_K_SHIFT_F1 == 84 << 8
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input.data = SCI_KEY_F1 + ((input.data - Common::KEYCODE_F1)<<8);
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if (input.modifiers & (SCI_KEYMOD_LSHIFT | SCI_KEYMOD_RSHIFT))
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input.character = input.data + 0x1900;
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else
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input.character = input.data;
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// Remove modifier status (e.g. num lock) in this case
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input.modifiers = 0;
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} else {
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// Special keys that need conversion
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input.type = SCI_EVENT_KEYBOARD;
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switch (ev.kbd.keycode) {
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case Common::KEYCODE_UP:
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input.data = SCI_KEY_UP;
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break;
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case Common::KEYCODE_DOWN:
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input.data = SCI_KEY_DOWN;
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break;
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case Common::KEYCODE_RIGHT:
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input.data = SCI_KEY_RIGHT;
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break;
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case Common::KEYCODE_LEFT:
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input.data = SCI_KEY_LEFT;
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break;
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case Common::KEYCODE_INSERT:
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input.data = SCI_KEY_INSERT;
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break;
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case Common::KEYCODE_HOME:
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input.data = SCI_KEY_HOME;
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break;
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case Common::KEYCODE_END:
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input.data = SCI_KEY_END;
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break;
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case Common::KEYCODE_PAGEUP:
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input.data = SCI_KEY_PGUP;
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break;
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case Common::KEYCODE_PAGEDOWN:
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input.data = SCI_KEY_PGDOWN;
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break;
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case Common::KEYCODE_DELETE:
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input.data = SCI_KEY_DELETE;
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break;
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// Keypad keys
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case Common::KEYCODE_KP8: // up
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_UP;
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break;
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case Common::KEYCODE_KP2: // down
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_DOWN;
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break;
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case Common::KEYCODE_KP6: // right
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_RIGHT;
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break;
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case Common::KEYCODE_KP4: // left
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_LEFT;
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break;
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case Common::KEYCODE_KP5: // center
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_CENTER;
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break;
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case Common::KEYCODE_KP7: // home
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_HOME;
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break;
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case Common::KEYCODE_KP9: // pageup
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_PGUP;
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break;
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case Common::KEYCODE_KP1: // end
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_END;
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break;
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case Common::KEYCODE_KP3: // pagedown
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if (!(_modifierStates & SCI_KEYMOD_NUMLOCK))
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input.data = SCI_KEY_PGDOWN;
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break;
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default:
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input.type = SCI_EVENT_NONE;
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break;
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}
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input.character = input.data;
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}
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break;
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// Mouse events
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case Common::EVENT_LBUTTONDOWN:
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input.type = SCI_EVENT_MOUSE_PRESS;
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input.data = 1;
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break;
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case Common::EVENT_RBUTTONDOWN:
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input.type = SCI_EVENT_MOUSE_PRESS;
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input.data = 2;
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break;
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case Common::EVENT_MBUTTONDOWN:
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input.type = SCI_EVENT_MOUSE_PRESS;
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input.data = 3;
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break;
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case Common::EVENT_LBUTTONUP:
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input.type = SCI_EVENT_MOUSE_RELEASE;
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input.data = 1;
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break;
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case Common::EVENT_RBUTTONUP:
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input.type = SCI_EVENT_MOUSE_RELEASE;
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input.data = 2;
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break;
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case Common::EVENT_MBUTTONUP:
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input.type = SCI_EVENT_MOUSE_RELEASE;
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input.data = 3;
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break;
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// Misc events
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case Common::EVENT_QUIT:
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input.type = SCI_EVENT_QUIT;
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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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return input;
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}
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void EventManager::updateScreen() {
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// Update the screen here, since it's called very often.
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// Throttle the screen update rate to 60fps.
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EngineState *s = g_sci->getEngineState();
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if (g_system->getMillis() - s->_screenUpdateTime >= 1000 / 60) {
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g_system->updateScreen();
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s->_screenUpdateTime = g_system->getMillis();
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// Throttle the checking of shouldQuit() to 60fps as well, since
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// Engine::shouldQuit() invokes 2 virtual functions
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// (EventManager::shouldQuit() and EventManager::shouldRTL()),
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// which is very expensive to invoke constantly without any
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// throttling at all.
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if (g_engine->shouldQuit())
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s->abortScriptProcessing = kAbortQuitGame;
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}
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}
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SciEvent EventManager::getSciEvent(unsigned int mask) {
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//sci_event_t error_event = { SCI_EVT_ERROR, 0, 0, 0 };
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SciEvent event = { 0, 0, 0, 0 };
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EventManager::updateScreen();
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// Get all queued events from graphics driver
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do {
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event = getScummVMEvent();
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if (event.type != SCI_EVENT_NONE)
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_events.push_back(event);
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} while (event.type != SCI_EVENT_NONE);
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// Search for matching event in queue
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Common::List<SciEvent>::iterator iter = _events.begin();
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while (iter != _events.end() && !((*iter).type & mask))
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++iter;
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if (iter != _events.end()) {
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// Event found
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event = *iter;
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// If not peeking at the queue, remove the event
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if (!(mask & SCI_EVENT_PEEK)) {
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_events.erase(iter);
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}
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} else {
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// No event found: we must return a SCI_EVT_NONE event.
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// Because event.type is SCI_EVT_NONE already here,
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// there is no need to change it.
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}
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if (event.type == SCI_EVENT_KEYBOARD) {
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// Do we still have to translate the key?
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// When Ctrl AND Alt are pressed together with a regular key, Linux will give us control-key, Windows will give
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// us the actual key. My opinion is that windows is right, because under DOS the keys worked the same, anyway
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// we support the other case as well
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if (event.modifiers & SCI_KEYMOD_ALT) {
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if (event.character < 27)
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event.character += 96; // 0x01 -> 'a'
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}
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if (getSciVersion() <= SCI_VERSION_1_MIDDLE) {
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// TODO: find out if altify is also not needed for sci1late+, couldnt find any game that uses those keys
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// Scancodify if appropriate
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if (event.modifiers & SCI_KEYMOD_ALT) {
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event.character = altify(event.character);
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} else if (event.modifiers & SCI_KEYMOD_CTRL) {
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if (event.character < 27)
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event.character += 96; // 0x01 -> 'a'
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}
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}
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// Numlockify if appropriate
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//if (event.modifiers & SCI_KEYMOD_NUMLOCK)
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// event.data = numlockify(event.data);
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// TODO: dont know yet if this can get dumped as well
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}
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return event;
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}
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void SciEngine::sleep(uint32 msecs) {
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uint32 time;
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const uint32 wakeup_time = g_system->getMillis() + msecs;
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while (true) {
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// let backend process events and update the screen
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_eventMan->getSciEvent(SCI_EVENT_PEEK);
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time = g_system->getMillis();
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if (time + 10 < wakeup_time) {
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g_system->delayMillis(10);
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} else {
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if (time < wakeup_time)
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g_system->delayMillis(wakeup_time - time);
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break;
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}
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}
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}
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} // End of namespace Sci
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