1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "common/endian.h"
24 #include "common/file.h"
25 #include "common/memstream.h"
26 
27 #include "gob/gob.h"
28 #include "gob/demos/demoplayer.h"
29 #include "gob/global.h"
30 #include "gob/util.h"
31 #include "gob/draw.h"
32 #include "gob/inter.h"
33 #include "gob/videoplayer.h"
34 #include "gob/sound/sound.h"
35 
36 namespace Gob {
37 
38 DemoPlayer::Script DemoPlayer::_scripts[] = {
39 	{kScriptSourceFile, "demo.scn"},
40 	{kScriptSourceFile, "wdemo.s24"},
41 	{kScriptSourceFile, "play123.scn"},
42 	{kScriptSourceFile, "e.scn"},
43 	{kScriptSourceFile, "i.scn"},
44 	{kScriptSourceFile, "s.scn"},
45 	{kScriptSourceDirect,
46 		"slide machu.imd 20\nslide conseil.imd 20\nslide cons.imd 20\n" \
47 		"slide tumia.imd 1\nslide tumib.imd 1\nslide tumic.imd 1\n"     \
48 		"slide tumid.imd 1\nslide post.imd 1\nslide posta.imd 1\n"      \
49 		"slide postb.imd 1\nslide postc.imd 1\nslide xdome.imd 20\n"    \
50 		"slide xant.imd 20\nslide tum.imd 20\nslide voile.imd 20\n"     \
51 		"slide int.imd 20\nslide voila.imd 1\nslide voilb.imd 1\n"},
52 	{kScriptSourceFile, "coktelplayer.scn"},
53 	{kScriptSourceFile, "demogb.scn"},
54 	{kScriptSourceFile, "demoall.scn"},
55 	{kScriptSourceFile, "demofra.scn"}
56 };
57 
DemoPlayer(GobEngine * vm)58 DemoPlayer::DemoPlayer(GobEngine *vm) : _vm(vm) {
59 	_autoDouble = false;
60 	_doubleMode = false;
61 	_rebase0 = false;
62 }
63 
~DemoPlayer()64 DemoPlayer::~DemoPlayer() {
65 }
66 
play(const char * fileName)67 bool DemoPlayer::play(const char *fileName) {
68 	if (!fileName)
69 		return false;
70 
71 	debugC(1, kDebugDemo, "Playing \"%s\"", fileName);
72 
73 	init();
74 
75 	Common::File bat;
76 
77 	if (!bat.open(fileName))
78 		return false;
79 
80 	return playStream(bat);
81 }
82 
play(uint32 index)83 bool DemoPlayer::play(uint32 index) {
84 	if (index >= ARRAYSIZE(_scripts))
85 		return false;
86 
87 	Script &script = _scripts[index];
88 
89 	debugC(1, kDebugDemo, "Playing demoIndex %d: %d", index, script.source);
90 
91 	switch (script.source) {
92 	case kScriptSourceFile:
93 		return play(script.script);
94 
95 	case kScriptSourceDirect:
96 		{
97 			Common::MemoryReadStream stream((const byte *)script.script, strlen(script.script));
98 
99 			init();
100 			return playStream(stream);
101 		}
102 
103 	default:
104 		return false;
105 	}
106 }
107 
lineStartsWith(const Common::String & line,const char * start)108 bool DemoPlayer::lineStartsWith(const Common::String &line, const char *start) {
109 	return (strstr(line.c_str(), start) == line.c_str());
110 }
111 
init()112 void DemoPlayer::init() {
113 	// The video player needs some fake variables
114 	_vm->_inter->allocateVars(32);
115 
116 	// Init the screen
117 	_vm->_draw->initScreen();
118 	_vm->_draw->_cursorIndex = -1;
119 
120 	_vm->_util->longDelay(200); // Letting everything settle
121 
122 }
123 
clearScreen()124 void DemoPlayer::clearScreen() {
125 	debugC(1, kDebugDemo, "Clearing the screen");
126 	_vm->_draw->_backSurface->clear();
127 	_vm->_draw->forceBlit();
128 	_vm->_video->retrace();
129 }
130 
playVideo(const char * fileName)131 void DemoPlayer::playVideo(const char *fileName) {
132 	uint32 waitTime = 0;
133 	Common::String filePtr(fileName);
134 	Common::String::iterator file = filePtr.begin();
135 
136 	// Trimming spaces front
137 	while (*file == ' ')
138 		file++;
139 
140 	Common::String::iterator spaceBack = Common::find(file, filePtr.end(), ' ');
141 	if (spaceBack != filePtr.end()) {
142 		Common::String::iterator nextSpace = Common::find(spaceBack, filePtr.end(), ' ');
143 
144 		if (nextSpace != filePtr.end())
145 			*nextSpace = '\0';
146 
147 		*spaceBack++ = '\0';
148 
149 		waitTime = atoi(spaceBack) * 100;
150 	}
151 
152 	debugC(1, kDebugDemo, "Playing video \"%s\"", file);
153 
154 	VideoPlayer::Properties props;
155 
156 	props.x = _rebase0 ? 0 : -1;
157 	props.y = _rebase0 ? 0 : -1;
158 
159 	props.switchColorMode = true;
160 
161 	int slot;
162 	if ((slot = _vm->_vidPlayer->openVideo(true, file, props)) >= 0) {
163 		if (_autoDouble) {
164 			int16 defX = _rebase0 ? 0 : _vm->_vidPlayer->getDefaultX();
165 			int16 defY = _rebase0 ? 0 : _vm->_vidPlayer->getDefaultY();
166 			int16 right  = defX + _vm->_vidPlayer->getWidth()  - 1;
167 			int16 bottom = defY + _vm->_vidPlayer->getHeight() - 1;
168 
169 			_doubleMode = ((right < 320) && (bottom < 200));
170 		}
171 
172 		if (_doubleMode)
173 			playVideoDoubled(slot);
174 		else
175 			playVideoNormal(slot);
176 
177 		_vm->_vidPlayer->closeVideo(slot);
178 
179 		if (waitTime > 0)
180 			_vm->_util->longDelay(waitTime);
181 	}
182 }
183 
playADL(const char * params)184 void DemoPlayer::playADL(const char *params) {
185 	const char *end;
186 
187 	end = strchr(params, ' ');
188 	if (!end)
189 		end = params + strlen(params);
190 
191 	Common::String fileName(params, end);
192 	bool  waitEsc = true;
193 	int32 repeat  = -1;
194 
195 	if (*end != '\0') {
196 		const char *start = end + 1;
197 
198 		waitEsc = (*start != '0');
199 
200 		end = strchr(start, ' ');
201 		if (end)
202 			repeat = atoi(end + 1);
203 	}
204 
205 	playADL(fileName, waitEsc, repeat);
206 }
207 
playVideoNormal(int slot)208 void DemoPlayer::playVideoNormal(int slot) {
209 	VideoPlayer::Properties props;
210 
211 	_vm->_vidPlayer->play(slot, props);
212 }
213 
playVideoDoubled(int slot)214 void DemoPlayer::playVideoDoubled(int slot) {
215 	Common::String fileNameOpened = _vm->_vidPlayer->getFileName(slot);
216 	_vm->_vidPlayer->closeVideo(slot);
217 
218 	VideoPlayer::Properties props;
219 
220 	props.x            = _rebase0 ? 0 : -1;
221 	props.y            = _rebase0 ? 0 : -1;
222 	props.flags        = VideoPlayer::kFlagScreenSurface;
223 	props.waitEndFrame = false;
224 
225 	_vm->_vidPlayer->evaluateFlags(props);
226 
227 	slot = _vm->_vidPlayer->openVideo(true, fileNameOpened, props);
228 	if (slot < 0)
229 		return;
230 
231 	for (uint i = 0; i < _vm->_vidPlayer->getFrameCount(slot); i++) {
232 		props.startFrame = _vm->_vidPlayer->getCurrentFrame(slot) + 1;
233 		props.lastFrame  = _vm->_vidPlayer->getCurrentFrame(slot) + 1;
234 
235 		_vm->_vidPlayer->play(slot, props);
236 
237 		const Common::List<Common::Rect> *rects = _vm->_vidPlayer->getDirtyRects(slot);
238 		if (rects) {
239 			for (Common::List<Common::Rect>::const_iterator rect = rects->begin(); rect != rects->end(); ++rect) {
240 				int16 w  = rect->right  - rect->left;
241 				int16 h  = rect->bottom - rect->top;
242 				int16 wD = (rect->left * 2) + (w * 2);
243 				int16 hD = (rect->top  * 2) + (h * 2);
244 
245 				_vm->_draw->_frontSurface->blitScaled(*_vm->_draw->_spritesArray[0],
246 						rect->left, rect->top, rect->right - 1, rect->bottom - 1, rect->left * 2, rect->top * 2, 2);
247 
248 				_vm->_draw->dirtiedRect(_vm->_draw->_frontSurface,
249 						rect->left * 2, rect->top * 2, wD, hD);
250 			}
251 		}
252 
253 		_vm->_video->retrace();
254 
255 		_vm->_util->processInput();
256 		if (_vm->shouldQuit())
257 			break;
258 
259 		int16 key;
260 		bool end = false;
261 		while (_vm->_util->checkKey(key))
262 			if (key == kKeyEscape)
263 				end = true;
264 		if (end)
265 			break;
266 
267 		_vm->_vidPlayer->waitEndFrame(slot);
268 	}
269 
270 }
271 
playADL(const Common::String & fileName,bool waitEsc,int32 repeat)272 void DemoPlayer::playADL(const Common::String &fileName, bool waitEsc, int32 repeat) {
273 	debugC(1, kDebugDemo, "Playing ADL \"%s\" (%d, %d)", fileName.c_str(), waitEsc, repeat);
274 
275 	_vm->_sound->adlibUnload();
276 	_vm->_sound->adlibLoadADL(fileName.c_str());
277 	_vm->_sound->adlibSetRepeating(repeat);
278 	_vm->_sound->adlibPlay();
279 
280 	if (!waitEsc)
281 		return;
282 
283 	int16 key = 0;
284 	while (!_vm->shouldQuit() && (key != kKeyEscape) && _vm->_sound->adlibIsPlaying()) {
285 		_vm->_util->longDelay(1);
286 		while (_vm->_util->checkKey(key))
287 			if (key == kKeyEscape)
288 				break;
289 	}
290 }
291 
evaluateVideoMode(const char * mode)292 void DemoPlayer::evaluateVideoMode(const char *mode) {
293 	debugC(2, kDebugDemo, "Video mode \"%s\"", mode);
294 
295 	_autoDouble = false;
296 	_doubleMode = false;
297 
298 	// Only applicable when we actually can double
299 	if (_vm->is640x480() || _vm->is800x600()) {
300 		if      (!scumm_strnicmp(mode, "AUTO", 4))
301 			_autoDouble = true;
302 		else if (!scumm_strnicmp(mode, "VGA", 3))
303 			_doubleMode = true;
304 	}
305 }
306 
307 } // End of namespace Gob
308