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/* 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 "dreamweb/dreamweb.h"
#include "engines/metaengine.h"
#include "gui/saveload.h"
#include "common/config-manager.h"
#include "common/translation.h"
namespace DreamGen {
void DreamGenContext::loadGame() {
if (data.byte(kCommandtype) != 246) {
data.byte(kCommandtype) = 246;
commandOnly(41);
}
if (data.word(kMousebutton) == data.word(kOldbutton))
return; // "noload"
if (data.word(kMousebutton) == 1) {
ax = 0xFFFF;
doLoad();
}
}
// input: ax = savegameId
// if -1, open menu to ask for slot to load
// if >= 0, directly load from that slot
void DreamGenContext::doLoad() {
int savegameId = (int16)ax;
data.byte(kLoadingorsave) = 1;
if (ConfMan.getBool("dreamweb_originalsaveload") && savegameId == -1) {
showOpBox();
showLoadOps();
data.byte(kCurrentslot) = 0;
showSlots();
showNames();
data.byte(kPointerframe) = 0;
workToScreenM();
namesToOld();
data.byte(kGetback) = 0;
while (data.byte(kGetback) == 0) {
if (quitRequested())
return;
delPointer();
readMouse();
showPointer();
vSync();
dumpPointer();
dumpTextLine();
RectWithCallback loadlist[] = {
{ kOpsx+176,kOpsx+192,kOpsy+60,kOpsy+76,&DreamGenContext::getBackToOps },
{ kOpsx+128,kOpsx+190,kOpsy+12,kOpsy+100,&DreamGenContext::actualLoad },
{ kOpsx+2,kOpsx+92,kOpsy+4,kOpsy+81,&DreamGenContext::selectSlot },
{ 0,320,0,200,&DreamGenContext::blank },
{ 0xFFFF,0,0,0,0 }
};
checkCoords(loadlist);
if (data.byte(kGetback) == 2)
return; // "quitloaded"
}
} else {
if (savegameId == -1) {
// Open dialog to get savegameId
const EnginePlugin *plugin = NULL;
Common::String gameId = ConfMan.get("gameid");
EngineMan.findGame(gameId, &plugin);
GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Restore game:"), _("Restore"));
dialog->setSaveMode(false);
savegameId = dialog->runModalWithPluginAndTarget(plugin, ConfMan.getActiveDomainName());
delete dialog;
}
if (savegameId < 0) {
data.byte(kGetback) = 0;
return;
}
loadPosition(savegameId);
data.byte(kGetback) = 1;
}
// If we reach this point, loadPosition() has just been called.
// Note: Among other things, it will have filled kMadeuproomdat.
// kTempgraphics might not have been allocated if we bypassed all menus
if (data.word(kTempgraphics) != 0xFFFF)
getRidOfTemp();
const Room *room = (const Room *)cs.ptr(kMadeuproomdat, sizeof(Room));
startLoading(*room);
loadRoomsSample();
data.byte(kRoomloaded) = 1;
data.byte(kNewlocation) = 255;
clearSprites();
initMan();
initRain();
data.word(kTextaddressx) = 13;
data.word(kTextaddressy) = 182;
data.byte(kTextlen) = 240;
startup();
workToScreen();
data.byte(kGetback) = 4;
}
void DreamGenContext::saveGame() {
if (data.byte(kMandead) == 2) {
blank();
return;
}
if (data.byte(kCommandtype) != 247) {
data.byte(kCommandtype) = 247;
commandOnly(44);
}
if (data.word(kMousebutton) != 1)
return;
data.byte(kLoadingorsave) = 2;
if (ConfMan.getBool("dreamweb_originalsaveload")) {
showOpBox();
showSaveOps();
data.byte(kCurrentslot) = 0;
showSlots();
showNames();
workToScreenM();
namesToOld();
data.word(kBufferin) = 0;
data.word(kBufferout) = 0;
data.byte(kGetback) = 0;
while (data.byte(kGetback) == 0) {
if (quitRequested())
return;
delPointer();
checkInput();
readMouse();
showPointer();
vSync();
dumpPointer();
dumpTextLine();
RectWithCallback savelist[] = {
{ kOpsx+176,kOpsx+192,kOpsy+60,kOpsy+76,&DreamGenContext::getBackToOps },
{ kOpsx+128,kOpsx+190,kOpsy+12,kOpsy+100,&DreamGenContext::actualSave },
{ kOpsx+2,kOpsx+92,kOpsy+4,kOpsy+81,&DreamGenContext::selectSlot },
{ 0,320,0,200,&DreamGenContext::blank },
{ 0xFFFF,0,0,0,0 }
};
checkCoords(savelist);
}
return;
} else {
const EnginePlugin *plugin = NULL;
Common::String gameId = ConfMan.get("gameid");
EngineMan.findGame(gameId, &plugin);
GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Save game:"), _("Save"));
dialog->setSaveMode(true);
int savegameId = dialog->runModalWithPluginAndTarget(plugin, ConfMan.getActiveDomainName());
Common::String game_description = dialog->getResultString();
if (game_description.empty())
game_description = "Untitled";
delete dialog;
if (savegameId < 0) {
data.byte(kGetback) = 0;
return;
}
// TODO: Check if this 2 is a constant
uint8 descbuf[17] = { 2, 0 };
strncpy((char*)descbuf+1, game_description.c_str(), 16);
unsigned int desclen = game_description.size();
if (desclen > 15)
desclen = 15;
// zero terminate, and pad with ones
descbuf[++desclen] = 0;
while (desclen < 17)
descbuf[++desclen] = 1;
if (savegameId < 7)
memcpy(data.ptr(kSavenames + 17*savegameId, 17), descbuf, 17);
savePosition(savegameId, descbuf);
// TODO: The below is copied from actualsave
getRidOfTemp();
restoreAll(); // reels
data.word(kTextaddressx) = 13;
data.word(kTextaddressy) = 182;
data.byte(kTextlen) = 240;
redrawMainScrn();
workToScreenM();
data.byte(kGetback) = 4;
}
}
void DreamGenContext::namesToOld() {
memcpy(getSegment(data.word(kBuffers)).ptr(kZoomspace, 0), cs.ptr(kSavenames, 0), 17*4);
}
void DreamGenContext::oldToNames() {
memcpy(cs.ptr(kSavenames, 0), getSegment(data.word(kBuffers)).ptr(kZoomspace, 0), 17*4);
}
void DreamGenContext::saveLoad() {
if (data.word(kWatchingtime) || (data.byte(kPointermode) == 2)) {
blank();
return;
}
if (data.byte(kCommandtype) != 253) {
data.byte(kCommandtype) = 253;
commandOnly(43);
}
if ((data.word(kMousebutton) != data.word(kOldbutton)) && (data.word(kMousebutton) & 1))
doSaveLoad();
}
void DreamGenContext::showMainOps() {
showFrame(tempGraphics(), kOpsx+10, kOpsy+10, 8, 0);
showFrame(tempGraphics(), kOpsx+59, kOpsy+30, 7, 0);
showFrame(tempGraphics(), kOpsx+128+4, kOpsy+12, 1, 0);
}
void DreamGenContext::showDiscOps() {
showFrame(tempGraphics(), kOpsx+128+4, kOpsy+12, 1, 0);
showFrame(tempGraphics(), kOpsx+10, kOpsy+10, 9, 0);
showFrame(tempGraphics(), kOpsx+59, kOpsy+30, 10, 0);
showFrame(tempGraphics(), kOpsx+176+2, kOpsy+60-4, 5, 0);
}
void DreamGenContext::actualSave() {
if (data.byte(kCommandtype) != 222) {
data.byte(kCommandtype) = 222;
commandOnly(44);
}
if (!(data.word(kMousebutton) & 1))
return;
unsigned int slot = data.byte(kCurrentslot);
const uint8 *desc = data.ptr(kSavenames + 17*slot, 16);
if (desc[1] == 0) // The actual description string starts at desc[1]
return;
savePosition(slot, desc);
getRidOfTemp();
restoreAll(); // reels
data.word(kTextaddressx) = 13;
data.word(kTextaddressy) = 182;
data.byte(kTextlen) = 240;
redrawMainScrn();
workToScreenM();
data.byte(kGetback) = 4;
}
void DreamGenContext::actualLoad() {
if (data.byte(kCommandtype) != 221) {
data.byte(kCommandtype) = 221;
commandOnly(41);
}
if (data.word(kMousebutton) == data.word(kOldbutton) || data.word(kMousebutton) != 1)
return;
unsigned int slot = data.byte(kCurrentslot);
const uint8 *desc = data.ptr(kSavenames + 17*slot, 16);
if (desc[1] == 0) // The actual description string starts at desc[1]
return;
loadPosition(data.byte(kCurrentslot));
data.byte(kGetback) = 1;
}
void DreamGenContext::savePosition(unsigned int slot, const uint8 *descbuf) {
const Room ¤tRoom = g_roomData[data.byte(kLocation)];
Room madeUpRoom = currentRoom;
madeUpRoom.roomsSample = data.byte(kRoomssample);
madeUpRoom.mapX = data.byte(kMapx);
madeUpRoom.mapY = data.byte(kMapy);
madeUpRoom.liftFlag = data.byte(kLiftflag);
madeUpRoom.b21 = data.byte(kManspath);
madeUpRoom.facing = data.byte(kFacing);
madeUpRoom.b27 = 255;
openForSave(slot);
// Initialize new header
FileHeader header;
// Note: _desc is not zero-terminated
const char *desc = "DREAMWEB DATA FILE COPYRIGHT 1992 CREATIVE REALITY";
assert(strlen(desc) == sizeof(header._desc));
memcpy(header._desc, desc, sizeof(header._desc));
memset(&header._len[0], 0, sizeof(header._len));
memset(&header._padding[0], 0, sizeof(header._padding));
// fill length fields in savegame file header
uint16 len[6] = { 17, kLengthofvars, kLengthofextra,
4*kNumchanges, 48, kLenofreelrouts };
for (int i = 0; i < 6; ++i)
header.setLen(i, len[i]);
engine->writeToSaveFile((const uint8 *)&header, sizeof(FileHeader));
engine->writeToSaveFile(descbuf, len[0]);
engine->writeToSaveFile(data.ptr(kStartvars, len[1]), len[1]);
engine->writeToSaveFile(getSegment(data.word(kExtras)).ptr(kExframedata, len[2]), len[2]);
engine->writeToSaveFile(getSegment(data.word(kBuffers)).ptr(kListofchanges, len[3]), len[3]);
// len[4] == 48, which is sizeof(Room) plus 16 for 'Roomscango'
engine->writeToSaveFile((const uint8 *)&madeUpRoom, sizeof(Room));
engine->writeToSaveFile(data.ptr(kRoomscango, 16), 16);
engine->writeToSaveFile(data.ptr(kReelroutines, len[5]), len[5]);
closeFile();
}
void DreamGenContext::loadPosition(unsigned int slot) {
data.word(kTimecount) = 0;
clearChanges();
openForLoad(slot);
FileHeader header;
engine->readFromSaveFile((uint8 *)&header, sizeof(FileHeader));
// read segment lengths from savegame file header
int len[6];
for (int i = 0; i < 6; ++i)
len[i] = header.len(i);
if (len[0] != 17)
::error("Error loading save: description buffer isn't 17 bytes");
if (slot < 7) {
engine->readFromSaveFile(data.ptr(kSavenames + 17*slot, len[0]), len[0]);
} else {
// The savenames buffer only has room for 7 descriptions
uint8 namebuf[17];
engine->readFromSaveFile(namebuf, 17);
}
engine->readFromSaveFile(data.ptr(kStartvars, len[1]), len[1]);
engine->readFromSaveFile(getSegment(data.word(kExtras)).ptr(kExframedata, len[2]), len[2]);
engine->readFromSaveFile(getSegment(data.word(kBuffers)).ptr(kListofchanges, len[3]), len[3]);
// len[4] == 48, which is sizeof(Room) plus 16 for 'Roomscango'
// Note: the values read into Madeuproomdat are only used in actualLoad,
// which is (almost) immediately called after this function
engine->readFromSaveFile(data.ptr(kMadeuproomdat, sizeof(Room)), sizeof(Room));
engine->readFromSaveFile(data.ptr(kRoomscango, 16), 16);
engine->readFromSaveFile(cs.ptr(kReelroutines, len[5]), len[5]);
closeFile();
}
// Count number of save files, and load their descriptions into kSavenames
unsigned int DreamGenContext::scanForNames() {
unsigned int count = 0;
FileHeader header;
for (unsigned int slot = 0; slot < 7; ++slot) {
if (!openForLoad(slot)) continue;
++count;
engine->readFromSaveFile((uint8 *)&header, sizeof(FileHeader));
if (header.len(0) != 17) {
::warning("Error loading save: description buffer isn't 17 bytes");
closeFile();
continue;
}
// NB: Only possible if slot < 7
engine->readFromSaveFile(data.ptr(kSavenames + 17*slot, 17), 17);
closeFile();
}
al = (uint8)count;
return count;
}
void DreamGenContext::loadOld() {
STACK_CHECK;
_cmp(data.byte(kCommandtype), 252);
if (flags.z())
goto alreadyloadold;
data.byte(kCommandtype) = 252;
al = 48;
commandOnly();
alreadyloadold:
ax = data.word(kMousebutton);
_and(ax, 1);
if (flags.z())
return /* (noloadold) */;
ax = 0x0ffff;
doLoad();
_cmp(data.byte(kGetback), 4);
if (flags.z())
return /* (noloadold) */;
_cmp(data.byte(kQuitrequested), 0);
if (!flags.z())
return /* (noloadold) */;
showDecisions();
workToScreenM();
data.byte(kGetback) = 0;
}
} /*namespace dreamgen */
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