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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/* 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.
*
*/
#include "lure/lure.h"
#include "lure/intro.h"
#include "lure/animseq.h"
#include "lure/events.h"
#include "lure/sound.h"
namespace Lure {
struct AnimRecord {
uint16 resourceId;
uint8 paletteIndex;
uint16 initialPause;
uint16 endingPause;
uint8 soundNumber;
};
static const uint16 start_screens[] = {0x18, 0x1A, 0x1E, 0x1C, 0};
static const AnimRecord anim_screens[] = {
{0x40, 0, 0x35A, 0x2C8, 0x80}, // The kingdom was at peace
{0x42, 1, 0, 0x5FA, 0x81}, // Cliff overhang
{0x44, 2, 0, 0, 0x82}, // Siluette in moonlight
{0x24, 3, 0, 0x328 + 0x24, 0xff}, // Exposition of reaching town
{0x46, 3, 0, 0, 0x83}, // Skorl approaches
{0, 0, 0, 0, 0xff}};
// showScreen
// Shows a screen by loading it from the given resource, and then fading it in
// with a palette in the following resource. Returns true if the introduction
// should be aborted
bool Introduction::showScreen(uint16 screenId, uint16 paletteId, uint16 delaySize) {
Screen &screen = Screen::getReference();
bool isEGA = LureEngine::getReference().isEGA();
screen.screen().loadScreen(screenId);
screen.update();
Palette p(paletteId);
if (LureEngine::getReference().shouldQuit()) return true;
if (isEGA) screen.setPalette(&p);
else screen.paletteFadeIn(&p);
bool result = interruptableDelay(delaySize);
if (LureEngine::getReference().shouldQuit()) return true;
if (!isEGA)
screen.paletteFadeOut();
return result;
}
// interruptableDelay
// Delays for a given number of milliseconds. If it returns true, it indicates that
// the Escape has been pressed to abort whatever sequence is being displayed
bool Introduction::interruptableDelay(uint32 milliseconds) {
Events &events = Events::getReference();
if (events.interruptableDelay(milliseconds)) {
if (events.type() == Common::EVENT_KEYDOWN)
return events.event().kbd.keycode == 27;
else if (LureEngine::getReference().shouldQuit())
return true;
else if (events.type() == Common::EVENT_LBUTTONDOWN)
return false;
}
return false;
}
// show
// Main method for the introduction sequence
bool Introduction::show() {
Screen &screen = Screen::getReference();
bool isEGA = LureEngine::getReference().isEGA();
screen.setPaletteEmpty();
// Initial game company and then game screen
for (int ctr = 0; start_screens[ctr]; ++ctr)
if (showScreen(start_screens[ctr], start_screens[ctr] + 1, 5000))
return true;
PaletteCollection coll(0x32);
Palette EgaPalette(0x1D);
// Animated screens
AnimationSequence *anim;
bool result;
uint8 currentSound = 0xff;
const AnimRecord *curr_anim = anim_screens;
for (; curr_anim->resourceId; ++curr_anim) {
// Handle sound selection
if (curr_anim->soundNumber != 0xff) {
if (currentSound != 0xff)
// Stop the previous sound
Sound.musicInterface_KillAll();
currentSound = curr_anim->soundNumber;
Sound.musicInterface_Play(currentSound, 0);
}
bool fadeIn = curr_anim == anim_screens;
anim = new AnimationSequence(curr_anim->resourceId,
isEGA ? EgaPalette : coll.getPalette(curr_anim->paletteIndex), fadeIn,
(curr_anim->resourceId == 0x44) ? 4 : 7);
if (curr_anim->initialPause != 0) {
if (interruptableDelay(curr_anim->initialPause * 1000 / 50)) {
delete anim;
return true;
}
}
result = false;
switch (anim->show()) {
case ABORT_NONE:
if (curr_anim->endingPause != 0) {
result = interruptableDelay(curr_anim->endingPause * 1000 / 50);
}
break;
case ABORT_END_INTRO:
result = true;
break;
case ABORT_NEXT_SCENE:
break;
}
delete anim;
if (result) {
Sound.musicInterface_KillAll();
return true;
}
}
// Show battle pictures one frame at a time
result = false;
anim = new AnimationSequence(0x48, isEGA ? EgaPalette : coll.getPalette(4), false);
do {
result = interruptableDelay(2000);
screen.paletteFadeOut();
if (!result) result = interruptableDelay(500);
if (result) break;
} while (anim->step());
delete anim;
if (!result) {
// Show final introduction animation
if (!isEGA)
showScreen(0x22, 0x21, 10000);
else {
Palette finalPalette(0x21);
anim = new AnimationSequence(0x22, finalPalette, false);
delete anim;
interruptableDelay(10000);
}
}
Sound.musicInterface_KillAll();
return false;
}
} // End of namespace Lure
|
