File: title.cpp

package info (click to toggle)
scummvm 2.9.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 450,580 kB
  • sloc: cpp: 4,299,825; asm: 28,322; python: 12,901; sh: 11,302; java: 9,289; xml: 7,895; perl: 2,639; ansic: 2,465; yacc: 1,670; javascript: 1,020; makefile: 933; lex: 578; awk: 275; objc: 82; sed: 11; php: 1
file content (162 lines) | stat: -rw-r--r-- 4,012 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/* 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