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
287
288
289
290
291
292
293
294
295
296
297
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2003 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "scummsys.h"
#include <stdio.h>
#include <stdlib.h>
#include "memman.h"
#include "resman.h"
#include "sworddefs.h"
#include "base/engine.h"
#include "common/util.h"
#include "swordres.h"
#define MAX_PATH_LEN 260
ResMan::ResMan(const char *resFile, MemMan *pMemoMan) {
_memMan = pMemoMan;
loadCluDescript(resFile);
}
ResMan::~ResMan(void) {
freeCluDescript();
}
void ResMan::loadCluDescript(const char *fileName) {
File resFile;
resFile.open(fileName);
if (!resFile.isOpen())
error("ResMan::loadCluDescript(): File %s not found!", fileName);
_prj.noClu = resFile.readUint32LE();
_prj.clu = new BsClu*[_prj.noClu];
uint32 *cluIndex = (uint32*)malloc(_prj.noClu * 4);
resFile.read(cluIndex, _prj.noClu * 4);
for (uint32 clusCnt = 0; clusCnt < _prj.noClu; clusCnt++)
if (cluIndex[clusCnt]) {
BsClu *cluster = _prj.clu[clusCnt] = new BsClu;
resFile.read(cluster->label, MAX_LABEL_SIZE);
cluster->noGrp = resFile.readUint32LE();
cluster->grp = new BsGrp*[cluster->noGrp];
uint32 *grpIndex = (uint32*)malloc(cluster->noGrp * 4);
resFile.read(grpIndex, cluster->noGrp * 4);
for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++)
if (grpIndex[grpCnt]) {
BsGrp *group = cluster->grp[grpCnt] = new BsGrp;
group->noRes = resFile.readUint32LE();
group->resHandle = new BsMemHandle[group->noRes];
group->offset = new uint32[group->noRes];
group->length = new uint32[group->noRes];
uint32 *resIdIdx = (uint32*)malloc(group->noRes * 4);
resFile.read(resIdIdx, group->noRes * 4);
for (uint32 resCnt = 0; resCnt < group->noRes; resCnt++) {
if (resIdIdx[resCnt]) {
group->offset[resCnt] = resFile.readUint32LE();
group->length[resCnt] = resFile.readUint32LE();
_memMan->initHandle(group->resHandle + resCnt);
} else {
group->offset[resCnt] = 0xFFFFFFFF;
group->length[resCnt] = 0;
_memMan->initHandle(group->resHandle + resCnt);
}
}
free(resIdIdx);
} else
cluster->grp[grpCnt] = NULL;
free(grpIndex);
} else
_prj.clu[clusCnt] = NULL;
free(cluIndex);
}
void ResMan::freeCluDescript(void) {
for (uint32 clusCnt = 0; clusCnt < _prj.noClu; clusCnt++)
if (BsClu *cluster = _prj.clu[clusCnt]) {
for (uint32 grpCnt = 0; grpCnt < cluster->noGrp; grpCnt++)
if (BsGrp *group = cluster->grp[grpCnt]) {
_memMan->freeNow(group->resHandle);
delete[] group->resHandle;
delete[] group->offset;
delete[] group->length;
delete group;
}
delete[] cluster->grp;
delete cluster;
}
delete[] _prj.clu;
}
void *ResMan::fetchRes(uint32 id) {
BsMemHandle *memHandle = resHandle(id);
if (!memHandle->data)
error("fetchRes:: resource %d is not open!", id);
return memHandle->data;
}
void *ResMan::openFetchRes(uint32 id) {
resOpen(id);
return fetchRes(id);
}
void ResMan::dumpRes(uint32 id) {
char outn[30];
sprintf(outn, "DUMP%08X.BIN", id);
FILE *outf = fopen( outn, "wb");
resOpen(id);
BsMemHandle *memHandle = resHandle(id);
fwrite(memHandle->data, 1, memHandle->size, outf);
fclose(outf);
resClose(id);
}
Header *ResMan::lockScript(uint32 scrID) {
if (!_scriptList[scrID / ITM_PER_SEC])
error("Script id %d not found.\n", scrID);
scrID = _scriptList[scrID / ITM_PER_SEC];
#ifdef SCUMM_BIG_ENDIAN
BsMemHandle *memHandle = resHandle(scrID);
if (memHandle->cond == MEM_FREED)
openScriptResourceBigEndian(scrID);
else
resOpen(scrID);
#else
resOpen(scrID);
#endif
return (Header*)resHandle(scrID)->data;
}
void ResMan::unlockScript(uint32 scrID) {
resClose(_scriptList[scrID / ITM_PER_SEC]);
}
void *ResMan::cptResOpen(uint32 id) {
#ifdef SCUMM_BIG_ENDIAN
BsMemHandle *memHandle = resHandle(id);
if (memHandle->cond == MEM_FREED)
openCptResourceBigEndian(id);
else
resOpen(id);
#else
resOpen(id);
#endif
return resHandle(id)->data;
}
void ResMan::resOpen(uint32 id) { // load resource ID into memory
BsMemHandle *memHandle = resHandle(id);
if (memHandle->cond == MEM_FREED) { // memory has been freed
uint32 size = resLength(id);
_memMan->alloc(memHandle, size);
uint8 *dest = (uint8*)memHandle->data;
File *clusFile = openClusterFile(id);
clusFile->seek( resOffset(id) );
clusFile->read( memHandle->data, size);
if (clusFile->ioFailed())
error("Can't read %d bytes from cluster %d\n", size, id);
// original loop was a lot more complicated, more error handling and
// some calls to the music system, don't think we'll need that.
clusFile->close();
delete clusFile;
} else
_memMan->setCondition(memHandle, MEM_DONT_FREE);
memHandle->refCount++;
if (memHandle->refCount > 20) {
debug(1, "%d references to id %d. Guess there's something wrong.", memHandle->refCount, id);
}
}
void ResMan::resClose(uint32 id) {
BsMemHandle *handle = resHandle(id);
if (!handle->refCount) {
warning("Resource Manager fail: unlocking object with refCount 0. Id: %d\n", id);
} else
handle->refCount--;
if (!handle->refCount)
_memMan->setCondition( handle, MEM_CAN_FREE);
}
FrameHeader *ResMan::fetchFrame(void *resourceData, uint32 frameNo) {
uint8 *frameFile = (uint8*)resourceData;
uint8 *idxData = frameFile + sizeof(Header);
if (frameNo >= READ_LE_UINT32(idxData))
error("fetchFrame:: frame %d doesn't exist in resource.", frameNo);
frameFile += READ_LE_UINT32(idxData + (frameNo+1) * 4);
return (FrameHeader*)frameFile;
}
File *ResMan::openClusterFile(uint32 id) {
File *clusFile = new File();;
char fullPath[MAX_PATH_LEN];
char fileName[15];
makePathToCluster(fullPath);
sprintf(fileName, "%s.CLU", _prj.clu[(id >> 24)-1]->label);
clusFile->open(fileName);
if (!clusFile->isOpen())
error("Can't open cluster file %s in directory: %s\n", fileName, fullPath);
return clusFile;
}
BsMemHandle *ResMan::resHandle(uint32 id) {
uint8 cluster = (uint8)((id >> 24) - 1);
uint8 group = (uint8)(id >> 16);
return &(_prj.clu[cluster]->grp[group]->resHandle[id & 0xFFFF]);
}
uint32 ResMan::resLength(uint32 id) {
uint8 cluster = (uint8)((id >> 24) - 1);
uint8 group = (uint8)(id >> 16);
return _prj.clu[cluster]->grp[group]->length[id & 0xFFFF];
}
uint32 ResMan::resOffset(uint32 id) {
uint8 cluster = (uint8)((id >> 24) - 1);
uint8 group = (uint8)(id >> 16);
return _prj.clu[cluster]->grp[group]->offset[id & 0xFFFF];
}
void ResMan::makePathToCluster(char *str) {
*str = '\0';
// todo: add search stuff, cd1, cd2, etc.
}
void ResMan::openCptResourceBigEndian(uint32 id) {
resOpen(id);
BsMemHandle *handle = resHandle(id);
uint32 totSize = handle->size;
uint8 *data = ((uint8*)handle->data) + sizeof(Header);
totSize -= sizeof(Header);
uint32 numCpts = *(uint32*)data = READ_LE_UINT32(data);
data += 4;
uint32 *dataIdx = (uint32*)data;
for (uint32 cnt = 0; cnt < numCpts; cnt++) {
uint32 cptSize;
//uint32 cptPos = READ_LE_UINT32(data + cnt * 4);
uint32 cptPos = dataIdx[cnt] = READ_LE_UINT32(dataIdx + cnt);
if (cnt == numCpts-1)
cptSize = totSize - cptPos - 4;
else
cptSize = READ_LE_UINT32(data + (cnt + 1) * 4) - cptPos;
if (cptSize & 3)
error("Odd compact size during endian conversion. Resource ID = %d, Cpt = %d of %d, Size %d\n", id, cnt, numCpts, cptSize);
cptSize >>= 2;
uint32 *cptData = (uint32*)(data + cptPos);
for (uint32 elemCnt = 0; elemCnt < cptSize; elemCnt++)
cptData[elemCnt] = READ_LE_UINT32(cptData + elemCnt);
}
}
void ResMan::openScriptResourceBigEndian(uint32 id) {
resOpen(id);
BsMemHandle *handle = resHandle(id);
uint32 totSize = handle->size;
Header *head = (Header*)handle->data;
head->comp_length = FROM_LE_32(head->comp_length);
head->decomp_length = FROM_LE_32(head->decomp_length);
head->version = FROM_LE_16(head->version);
uint32 *data = (uint32*)((uint8*)handle->data + sizeof(Header));
uint32 size = handle->size - sizeof(Header);
if (size & 3)
error("Odd size during script endian conversion. Resource ID =%d, size = %d", id, size);
size >>= 2;
for (uint32 cnt = 0; cnt < size; cnt++) {
*data = READ_LE_UINT32(data);
data++;
}
}
|
