aboutsummaryrefslogtreecommitdiff
path: root/engines/teenagent/dialog.cpp
blob: 2479da42a1b81d05f65b4ee1aa9f862ec3b58325 (plain)
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
/* 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.
 *
 * $URL$
 * $Id$
 */

#include "teenagent/dialog.h"
#include "teenagent/resources.h"
#include "teenagent/scene.h"

namespace TeenAgent {

void Dialog::show(Scene *scene, uint16 addr, uint16 animation1, uint16 animation2, byte color1, byte color2, byte slot1, byte slot2) {
	debug(0, "Dialog::show(%04x, %u:%u, %u:%u)", addr, slot1, animation1, slot2, animation2);
	Resources *res = Resources::instance();
	int n = 0;
	Common::String message;
	byte color = color1;

	if (animation1 != 0) {
		SceneEvent e(SceneEvent::kPlayAnimation);
		e.animation = animation1;
		e.slot = 0xc0 | slot1; //looped, paused
		scene->push(e);
	}

	if (animation2 != 0) {
		SceneEvent e(SceneEvent::kPlayAnimation);
		e.animation = animation2;
		e.slot = 0xc0 | slot2; //looped, paused
		scene->push(e);
	}

	while (n < 4) {
		byte c = res->eseg.get_byte(addr++);
		//debug(0, "%02x: %c", c, c > 0x20? c: '.');

		switch (c) {
		case 0:
			++n;
			switch (n) {
			case 1:
				//debug(0, "new line\n");
				if (!message.empty())
					message += '\n';
				break;
			case 2:
				//debug(0, "displaymessage %s", message.c_str());
				if (color == color2) {
					//pause animation in other slot
					{
						SceneEvent e(SceneEvent::kPauseAnimation);
						e.slot = 0x80 | slot1;
						scene->push(e);
					}
					{
						SceneEvent e(SceneEvent::kPlayAnimation);
						e.animation = animation2;
						e.slot = 0x80 | slot2;
						scene->push(e);
					}
				} else if (color == color1) {
					//pause animation in other slot
					{
						SceneEvent e(SceneEvent::kPauseAnimation);
						e.slot = 0x80 | slot2;
						scene->push(e);
					}
					{
						SceneEvent e(SceneEvent::kPlayAnimation);
						e.animation = animation1;
						e.slot = 0x80 | slot1;
						scene->push(e);
					}
				}

				{
					message.trim();
					if (message.empty())
						break;

					SceneEvent e(SceneEvent::kMessage);
					e.message = message;
					e.color = color;
					if (color == color1)
						e.slot = slot1;
					if (color == color2)
						e.slot = slot2;
					scene->push(e);
					message.clear();
				}
				break;

			case 3:
				color = color == color1 ? color2 : color1;
				//debug(0, "changing color to %02x", color);
				break;
			}
			break;

		case 0xff: {
			//fixme : wait for the next cycle of the animation
		}
		break;

		default:
			message += c;
			n = 0;
		}
	}

	SceneEvent e(SceneEvent::kClearAnimations);
	scene->push(e);
}

uint16 Dialog::pop(Scene *scene, uint16 addr, uint16 animation1, uint16 animation2, byte color1, byte color2, byte slot1, byte slot2) {
	debug(0, "Dialog::pop(%04x, %u:%u, %u:%u)", addr, slot1, animation1, slot2, animation2);
	Resources *res = Resources::instance();
	uint16 next;
	do {
		next = res->dseg.get_word(addr);
		addr += 2;
	} while (next == 0);
	uint16 next2 = res->dseg.get_word(addr);
	if (next2 != 0xffff)
		res->dseg.set_word(addr - 2, 0);
	show(scene, next, animation1, animation2, color1, color2, slot1, slot2);
	return next;
}

} // End of namespace TeenAgent