aboutsummaryrefslogtreecommitdiff
path: root/engines/zvision/scr_file_handling.cpp
blob: 168a6d830a566725e828b064d45f93b89f77b685 (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
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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
/* 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 "common/scummsys.h"

#include "zvision/script_manager.h"
#include "zvision/utility.h"
#include "zvision/puzzle.h"
#include "zvision/actions.h"

#include "common/textconsole.h"
#include "common/file.h"
#include "common/tokenizer.h"

namespace ZVision {

void ScriptManager::parseScrFile(Common::String fileName) {
	Common::File file;
	if (!file.open(fileName))
		return; // File.open already throws a warning if the file doesn't exist, so there is no need to throw another

	while(!file.eos()) {
		Common::String line = file.readLine();
		if (file.err()) {
			warning("Error parsing scr file: %s", fileName.c_str());
			return;
		}

		trimCommentsAndWhiteSpace(&line);
		if (line.empty())
			continue;

		if (line.matchString("puzzle:*", true)) {
			Puzzle puzzle;
			sscanf(line.c_str(),"puzzle:%u",&(puzzle.key));

			parsePuzzle(puzzle, file);
			_activePuzzles.push_back(puzzle);
		} else if (line.matchString("control:*", true)) {
			Control control;
			char controlType[20];
			sscanf(line.c_str(),"control:%u %s",&(control.id), controlType);

			parseControl(control, file);
			/** Holds the currently active puzzles */
			_activeControls.push_back(control);
		}
	}
}

void ScriptManager::parsePuzzle(Puzzle &puzzle, Common::SeekableReadStream &stream) {
	Common::String line = stream.readLine();
	trimCommentsAndWhiteSpace(&line);

	while (!line.contains('}')) {
		if (line.matchString("criteria {", true))
			puzzle.criteriaList.push_back(parseCriteria(stream));
		else if (line.matchString("results {", true))
			parseResult(stream, puzzle.resultActions);
		else if (line.matchString("flags {", true))
			puzzle.flags = parseFlags(stream);
	}
}

Criteria ScriptManager::parseCriteria(Common::SeekableReadStream &stream) const {
	Criteria criteria;

	// Loop until we find the closing brace
	Common::String line = stream.readLine();
	trimCommentsAndWhiteSpace(&line);

	while (!line.contains('}')) {
		// Split the string into tokens using ' ' as a delimiter
		Common::StringTokenizer tokenizer(line);
		Common::String token;

		// Parse the id out of the first token
		token = tokenizer.nextToken();
		sscanf(token.c_str(), "[%u]", &(criteria.key));

		// Parse the operator out of the second token
		token = tokenizer.nextToken();
		if (token.c_str()[0] == '=')
			criteria.criteriaOperator = EQUAL_TO;
		else if (token.c_str()[0] == '!')
			criteria.criteriaOperator = NOT_EQUAL_TO;
		else if (token.c_str()[0] == '>')
			criteria.criteriaOperator = GREATER_THAN;
		else if (token.c_str()[0] == '<')
			criteria.criteriaOperator = LESS_THAN;

		// First determine if the last token is an id or a value
		// Then parse it into 'argument'
		token = tokenizer.nextToken();
		if (token.contains('[')) {
			sscanf(token.c_str(), "[%u]", &(criteria.argument));
			criteria.argumentIsAKey = true;
		} else {
			sscanf(token.c_str(), "%u", &(criteria.argument));
			criteria.argumentIsAKey = false;
		}

		line = stream.readLine();
		trimCommentsAndWhiteSpace(&line);
	}

	return criteria;
}

void ScriptManager::parseResult(Common::SeekableReadStream &stream, Common::List<ResultAction *> &actionList) const {
	// Loop until we find the closing brace
	Common::String line = stream.readLine();
	trimCommentsAndWhiteSpace(&line);

	// TODO: Re-order the if-then statements in order of highest occurrence
	while (!line.contains('}')) {
		// Parse for the action type
		if (line.matchString("*:add*", true)) {
			actionList.push_back(new ActionAdd(&line));
		} else if (line.matchString("*:animplay*", true)) {
			actionList.push_back(new ActionPlayAnimation(&line));
		} else if (line.matchString("*:animpreload*", true)) {
			actionList.push_back(new ActionPreloadAnimation(&line));
		} else if (line.matchString("*:animunload*", true)) {
			

		} else if (line.matchString("*:attenuate*", true)) {
			

		} else if (line.matchString("*:assign*", true)) {
			

		} else if (line.matchString("*:change_location*", true)) {
			

		} else if (line.matchString("*:crossfade*", true)) {
			

		} else if (line.matchString("*:debug*", true)) {
			

		} else if (line.matchString("*:delay_render*", true)) {
			

		} else if (line.matchString("*:disable_control*", true)) {
			

		} else if (line.matchString("*:disable_venus*", true)) {
			

		} else if (line.matchString("*:display_message*", true)) {
			

		} else if (line.matchString("*:dissolve*", true)) {
			

		} else if (line.matchString("*:distort*", true)) {
			

		} else if (line.matchString("*:enable_control*", true)) {
			

		} else if (line.matchString("*:flush_mouse_events*", true)) {
			

		} else if (line.matchString("*:inventory*", true)) {
			

		} else if (line.matchString("*:kill*", true)) {
			

		} else if (line.matchString("*:menu_bar_enable*", true)) {
			

		} else if (line.matchString("*:music*", true)) {
			

		} else if (line.matchString("*:pan_track*", true)) {
			

		} else if (line.matchString("*:playpreload*", true)) {
			

		} else if (line.matchString("*:preferences*", true)) {
			

		} else if (line.matchString("*:quit*", true)) {
			

		} else if (line.matchString("*:random*", true)) {
			

		} else if (line.matchString("*:region*", true)) {
			

		} else if (line.matchString("*:restore_game*", true)) {
			

		} else if (line.matchString("*:rotate_to*", true)) {
			

		} else if (line.matchString("*:save_game*", true)) {
			

		} else if (line.matchString("*:set_partial_screen*", true)) {
			

		} else if (line.matchString("*:set_screen*", true)) {
			

		} else if (line.matchString("*:set_venus*", true)) {
			

		} else if (line.matchString("*:stop*", true)) {
			

		} else if (line.matchString("*:streamvideo*", true)) {
			

		} else if (line.matchString("*:syncsound*", true)) {
			

		} else if (line.matchString("*:timer*", true)) {
			

		} else if (line.matchString("*:ttytext*", true)) {
			

		} else if (line.matchString("*:universe_music*", true)) {
			

		} else {
			warning("Unhandled result action type: %s", line.c_str());
		}

		line = stream.readLine();
		trimCommentsAndWhiteSpace(&line);
	}

	return;
}

byte ScriptManager::parseFlags(Common::SeekableReadStream &stream) const {
	byte flags;

	// Loop until we find the closing brace
	Common::String line = stream.readLine();
	trimCommentsAndWhiteSpace(&line);

	while (!line.contains('}')) {
		if (line.matchString("ONCE_PER_INST", true)) {
			flags |= ONCE_PER_INST;
		} else if (line.matchString("DO_ME_NOW", true)) {
			flags |= DO_ME_NOW;
		} else if (line.matchString("DISABLED", true)) {
			flags |= DISABLED;
		}
	}

	return flags;
}

void ScriptManager::parseControl(Control &control, Common::SeekableReadStream &stream) {

}

} // End of namespace ZVision