libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2024-12-18 15:48:48 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

DREAMWEB: Convert 'loadposition'

Browse Source
This commit is contained in:
Willem Jan Palenstijn 2011-11-26 17:07:40 +01:00
parent c22ed1dab0
commit eef8e4de22
3 changed files with 50 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

121
engines/dreamweb/saveload.cpp
View File

@ -102,53 +102,35 @@ void DreamGenContext::doload() {
}
// TODO: proper scheme for filename, in a separate function
//Common::String filename = ConfMan.getActiveDomainName() + Common::String::format(".d%02d", savegameId);
Common::String filename = Common::String::format("DREAMWEB.D%02d", savegameId);
debug(1, "Loading from filename: %s", filename.c_str());
engine->openSaveFileForReading(filename);
// TODO: The below is duplicated from Loadposition
data.word(kTimecount) = 0;
clearchanges();
ds = cs;
dx = kFileheader;
cx = kHeaderlen;
savefileread();
es = cs;
di = kFiledata;
ax = savegameId;
openforload(savegameId);
engine->readFromSaveFile(cs.ptr(kFileheader, kHeaderlen), kHeaderlen);
// read segment lengths from savegame file header
int len[6];
for (int i = 0; i < 6; ++i)
len[i] = cs.word(kFiledata + 2*i);
if (len[0] != 17)
::error("Error loading save: description buffer isn't 17 bytes");
if (savegameId < 7) {
cx = 17;
_mul(cx);
ds = data;
dx = kSavenames;
_add(dx, ax);
loadseg();
engine->readFromSaveFile(data.ptr(kSavenames + 17*savegameId, len[0]), len[0]);
} else {
// For potential support of more than 7 savegame slots,
// For support of more than 7 savegame slots,
// loading into the savenames buffer isn't always possible
// Emulate a loadseg call:
uint8 namebuf[17];
engine->readFromFile(namebuf, 17);
_add(di, 2);
engine->readFromSaveFile(namebuf, 17);
}
ds = data;
dx = kStartvars;
loadseg();
ds = data.word(kExtras);
dx = kExframedata;
loadseg();
ds = data.word(kBuffers);
dx = kListofchanges;
loadseg();
ds = data;
dx = kMadeuproomdat;
loadseg();
ds = cs;
dx = kReelroutines;
loadseg();
engine->readFromSaveFile(data.ptr(kStartvars, len[1]), len[1]);
engine->readFromSaveFile(segRef(data.word(kExtras)).ptr(kExframedata, len[2]), len[2]);
engine->readFromSaveFile(segRef(data.word(kBuffers)).ptr(kListofchanges, len[3]), len[3]);
engine->readFromSaveFile(data.ptr(kMadeuproomdat, len[4]), len[4]);
engine->readFromSaveFile(cs.ptr(kReelroutines, len[5]), len[5]);
closefile();
data.byte(kGetback) = 1;
}
@ -418,50 +400,29 @@ void DreamGenContext::saveposition() {
}
void DreamGenContext::loadposition() {
STACK_CHECK;
data.word(kTimecount) = 0;
clearchanges();
al = data.byte(kCurrentslot);
ah = 0;
push(ax);
cx = 13;
_mul(cx);
dx = data;
ds = dx;
dx = 8698;
_add(dx, ax);
openfilefromc();
ds = cs;
dx = 6091;
cx = (6187-6091);
savefileread();
es = cs;
di = 6141;
ax = pop();
cx = 17;
_mul(cx);
dx = data;
ds = dx;
dx = 8579;
_add(dx, ax);
loadseg();
dx = data;
ds = dx;
dx = 0;
loadseg();
ds = data.word(kExtras);
dx = (0);
loadseg();
ds = data.word(kBuffers);
dx = (0+(228*13)+32+60+(32*32)+(11*10*3)+768+768+768+(32*32)+(128*5)+(80*5)+(100*5)+(12*5)+(46*40)+(5*80));
loadseg();
dx = data;
ds = dx;
dx = 7979;
loadseg();
ds = cs;
dx = 534;
loadseg();
unsigned int slot = data.byte(kCurrentslot);
openforload(slot);
engine->readFromSaveFile(cs.ptr(kFileheader, kHeaderlen), kHeaderlen);
// read segment lengths from savegame file header
int len[6];
for (int i = 0; i < 6; ++i)
len[i] = cs.word(kFiledata + 2*i);
if (len[0] != 17)
::error("Error loading save: description buffer isn't 17 bytes");
engine->readFromSaveFile(data.ptr(kSavenames + 17*slot, len[0]), len[0]);
engine->readFromSaveFile(data.ptr(kStartvars, len[1]), len[1]);
engine->readFromSaveFile(segRef(data.word(kExtras)).ptr(kExframedata, len[2]), len[2]);
engine->readFromSaveFile(segRef(data.word(kBuffers)).ptr(kListofchanges, len[3]), len[3]);
engine->readFromSaveFile(data.ptr(kMadeuproomdat, len[4]), len[4]);
engine->readFromSaveFile(cs.ptr(kReelroutines, len[5]), len[5]);
closefile();
}

8
engines/dreamweb/stubs.cpp
View File

@ -413,6 +413,14 @@ void DreamGenContext::openforsave(unsigned int slot) {
engine->openSaveFileForWriting(filename);
}
void DreamGenContext::openforload(unsigned int slot) {
//Common::String filename = ConfMan.getActiveDomainName() + Common::String::format(".d%02d", savegameId);
Common::String filename = Common::String::format("DREAMWEB.D%02d", slot);
debug(1, "openforload(%s)", filename.c_str());
engine->openSaveFileForReading(filename);
}
void DreamGenContext::openfilenocheck() {
const char *name = (const char *)ds.ptr(dx, 13);
debug(1, "checksavefile(%s)", name);

1
engines/dreamweb/stubs.h
View File

@ -348,4 +348,5 @@
void loadposition();
void saveposition();
void openforsave(unsigned int slot);
void openforload(unsigned int slot);