Files
scummvm-cursorfix/engines/mm/mm1/views/title.cpp
2026-02-02 04:50:13 +01:00

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