163 lines
3.9 KiB
C++
163 lines
3.9 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "mm/mm1/views/title.h"
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#include "mm/mm1/gfx/gfx.h"
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#include "mm/mm1/gfx/screen_decoder.h"
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#include "mm/mm1/mm1.h"
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namespace MM {
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namespace MM1 {
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namespace Views {
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#define FADE_SEGMENTS 20
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#define FADE_SEGMENT_X (SCREEN_W / 2 / FADE_SEGMENTS)
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#define FADE_SEGMENT_Y (SCREEN_H / 2 / FADE_SEGMENTS)
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Title::Title() : UIElement("Title", g_engine) {
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}
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bool Title::msgFocus(const FocusMessage &msg) {
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Gfx::ScreenDecoder decoder;
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decoder._indexes[0] = 0;
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decoder._indexes[1] = 2;
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decoder._indexes[2] = 4;
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decoder._indexes[3] = 15;
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for (int i = 0; i < SCREENS_COUNT; ++i) {
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if (i == 2) {
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decoder._indexes[1] = 3;
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decoder._indexes[2] = 5;
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}
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if (decoder.loadFile(Common::Path(
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Common::String::format(g_engine->isEnhanced() ?
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"gfx/screen%d" : "screen%d", i)))) {
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_screens[i].copyFrom(*decoder.getSurface());
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} else {
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error("Could not load title screen");
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}
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}
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_screenNum = -1;
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_fadeIndex = 0;
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return true;
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}
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bool Title::msgUnfocus(const UnfocusMessage & msg) {
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for (int i = 0; i < SCREENS_COUNT; ++i)
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_screens[i].clear();
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return true;
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}
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void Title::draw() {
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Graphics::ManagedSurface surf = getSurface();
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if (_screenNum == -1) {
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// Initially, display the entire first screen
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surf.blitFrom(_screens[0]);
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// Start up fading in the second one
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_screenNum = 1;
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_fadeIndex = 0;
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delaySeconds(1);
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} else if (_screenNum < 2 && _fadeIndex == 0) {
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// Brief pause before starting next screen scroll in
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delaySeconds(1);
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} else if (_screenNum < 2) {
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// Gradually displaying more of the next screen
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int deltaX = _fadeIndex * FADE_SEGMENT_X;
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int deltaY = _fadeIndex * FADE_SEGMENT_Y;
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const Graphics::ManagedSurface &src = _screens[_screenNum];
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const Common::Rect top(0, 0, SCREEN_W, deltaY);
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const Common::Rect left(0, 0, deltaX, SCREEN_H);
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const Common::Rect right(SCREEN_W - deltaX, 0, SCREEN_W, SCREEN_H);
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const Common::Rect bottom(0, SCREEN_H - deltaY, SCREEN_W, SCREEN_H);
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surf.blitFrom(src, top, top);
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surf.blitFrom(src, left, left);
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surf.blitFrom(src, right, right);
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surf.blitFrom(src, bottom, bottom);
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delayFrames(2);
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} else {
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// Scene screens
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const Graphics::ManagedSurface &src = _screens[_screenNum];
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surf.blitFrom(src);
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delaySeconds(5);
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}
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}
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void Title::timeout() {
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if (_screenNum < 2) {
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if (_fadeIndex++ == FADE_SEGMENTS) {
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_screenNum = (_screenNum == 0) ? 1 : 0;
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_fadeIndex = 0;
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}
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} else {
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if (++_screenNum >= SCREENS_COUNT) {
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// Go back to alternating first two screens
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_screenNum = -1;
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_fadeIndex = 0;
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}
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}
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redraw();
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}
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bool Title::msgKeypress(const KeypressMessage &msg) {
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if (msg.keycode == Common::KEYCODE_SPACE)
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startSlideshow();
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return true;
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}
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bool Title::msgAction(const ActionMessage &msg) {
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if (msg._action == KEYBIND_ESCAPE) {
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g_events->replaceView(g_engine->isEnhanced() ?
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"MainMenu" : "AreYouReady");
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return true;
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} else if (msg._action == KEYBIND_SELECT) {
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startSlideshow();
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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 Title::startSlideshow() {
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cancelDelay();
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_screenNum = 2;
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_fadeIndex = 0;
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redraw();
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}
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} // namespace Views
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} // namespace MM1
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} // namespace MM
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