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Diffstat (limited to 'engines/scumm/script_v5.cpp')
-rw-r--r--engines/scumm/script_v5.cpp328
1 files changed, 9 insertions, 319 deletions
diff --git a/engines/scumm/script_v5.cpp b/engines/scumm/script_v5.cpp
index b8930463d3..84c299183c 100644
--- a/engines/scumm/script_v5.cpp
+++ b/engines/scumm/script_v5.cpp
@@ -248,7 +248,7 @@ void ScummEngine_v5::setupOpcodes() {
OPCODE(0xa4, o5_loadRoomWithEgo);
OPCODE(0xa5, o5_pickupObject);
OPCODE(0xa6, o5_setVarRange);
- OPCODE(0xa7, o5_saveLoadVars);
+ OPCODE(0xa7, o5_dummy);
/* A8 */
OPCODE(0xa8, o5_notEqualZero);
OPCODE(0xa9, o5_setOwnerOf);
@@ -831,6 +831,13 @@ void ScummEngine_v5::o5_drawObject() {
putState(obj, state);
}
+void ScummEngine_v5::o5_dummy() {
+ // The KIXX XL release of Monkey Island 2 (Amiga disk) used opcode 0xa7
+ // as dummy, in order to remove copy protection and keep level selection.
+ if (_opcode != 0xa7 || _game.id == GID_MONKEY2)
+ warning("o5_dummy invoked (opcode %d)", _opcode);
+}
+
void ScummEngine_v5::o5_getStringWidth() {
int string, width = 0;
byte *ptr;
@@ -845,231 +852,6 @@ void ScummEngine_v5::o5_getStringWidth() {
setResult(width);
}
-enum StringIds {
- // The string IDs used by Indy3 to store the episode resp. series IQ points.
- // Note that we save the episode IQ points but load the series IQ points,
- // which matches the original Indy3 save/load code. See also the notes
- // on Feature Request #1666521.
- STRINGID_IQ_EPISODE = 7,
- STRINGID_IQ_SERIES = 9,
- // The string IDs of the first savegame name, used as an offset to determine
- // the IDs of all savenames.
- // Loom is the only game whose savenames start with a different ID.
- STRINGID_SAVENAME1 = 10,
- STRINGID_SAVENAME1_LOOM = 9
-};
-
-void ScummEngine_v5::o5_saveLoadVars() {
- // The KIXX XL release of Monkey Island 2 (Amiga disk) used this opcode
- // as dummy, in order to remove copy protection and keep level selection.
- if (_game.version == 5)
- return;
-
- if (fetchScriptByte() == 1)
- saveVars();
- else
- loadVars();
-}
-
-void ScummEngine_v5::saveVars() {
- int a, b;
-
- while ((_opcode = fetchScriptByte()) != 0) {
- switch (_opcode & 0x1F) {
- case 0x01: // write a range of variables
- getResultPos();
- a = _resultVarNumber;
- getResultPos();
- b = _resultVarNumber;
- debug(0, "stub saveVars: vars %d -> %d", a, b);
- break;
- case 0x02: // write a range of string variables
- a = getVarOrDirectByte(PARAM_1);
- b = getVarOrDirectByte(PARAM_2);
-
- if (a == STRINGID_IQ_EPISODE && b == STRINGID_IQ_EPISODE) {
- if (_game.id == GID_INDY3) {
- saveIQPoints();
- }
- break;
- }
- // FIXME: changing savegame-names not supported
- break;
- case 0x03: // open file
- a = resStrLen(_scriptPointer);
- strncpy(_saveLoadVarsFilename, (const char *)_scriptPointer, a);
- _saveLoadVarsFilename[a] = '\0';
- _scriptPointer += a + 1;
- break;
- case 0x04:
- return;
- case 0x1F: // close file
- _saveLoadVarsFilename[0] = '\0';
- return;
- }
- }
-}
-
-void ScummEngine_v5::loadVars() {
- int a, b;
-
- while ((_opcode = fetchScriptByte()) != 0) {
- switch (_opcode & 0x1F) {
- case 0x01: // read a range of variables
- getResultPos();
- a = _resultVarNumber;
- getResultPos();
- b = _resultVarNumber;
- debug(0, "stub loadVars: vars %d -> %d", a, b);
- break;
- case 0x02: // read a range of string variables
- a = getVarOrDirectByte(PARAM_1);
- b = getVarOrDirectByte(PARAM_2);
-
- int slot;
- int slotSize;
- byte* slotContent;
- int savegameId;
- bool avail_saves[100];
-
- if (a == STRINGID_IQ_SERIES && b == STRINGID_IQ_SERIES) {
- // Zak256 loads the IQ script-slot but does not use it -> ignore it
- if (_game.id == GID_INDY3) {
- byte *ptr = getResourceAddress(rtString, STRINGID_IQ_SERIES);
- if (ptr) {
- int size = getResourceSize(rtString, STRINGID_IQ_SERIES);
- loadIQPoints(ptr, size);
- }
- }
- break;
- }
-
- listSavegames(avail_saves, ARRAYSIZE(avail_saves));
- for (slot = a; slot <= b; ++slot) {
- slotSize = getResourceSize(rtString, slot);
- slotContent = getResourceAddress(rtString, slot);
-
- // load savegame names
- savegameId = slot - a + 1;
- Common::String name;
- if (avail_saves[savegameId] && getSavegameName(savegameId, name)) {
- int pos;
- const char *ptr = name.c_str();
- // slotContent ends with {'\0','@'} -> max. length = slotSize-2
- for (pos = 0; pos < slotSize - 2; ++pos) {
- if (!ptr[pos])
- break;
- // replace special characters
- if (ptr[pos] >= 32 && ptr[pos] <= 122 && ptr[pos] != 64)
- slotContent[pos] = ptr[pos];
- else
- slotContent[pos] = '_';
- }
- slotContent[pos] = '\0';
- } else {
- slotContent[0] = '\0';
- }
- }
- break;
- case 0x03: // open file
- a = resStrLen(_scriptPointer);
- strncpy(_saveLoadVarsFilename, (const char *)_scriptPointer, a);
- _saveLoadVarsFilename[a] = '\0';
- _scriptPointer += a + 1;
- break;
- case 0x04:
- return;
- case 0x1F: // close file
- _saveLoadVarsFilename[0] = '\0';
- return;
- }
- }
-}
-
-/**
- * IQ Point calculation for Indy3.
- * The scripts that perform this task are
- * - script-9 (save/load dialog initialization, loads room 14),
- * - room-14-204 (load series IQ string),
- * - room-14-205 (save series IQ string),
- * - room-14-206 (calculate series IQ string).
- * Unfortunately script-9 contains lots of GUI stuff so calling this script
- * directly is not possible. The other scripts depend on script-9.
- */
-void ScummEngine_v5::updateIQPoints() {
- int seriesIQ;
- // IQString[0..72] corresponds to each puzzle's IQ.
- // IQString[73] indicates that the IQ-file was loaded successfully and is always 0 when
- // the IQ is calculated, hence it will be ignored here.
- const int NUM_PUZZLES = 73;
- byte seriesIQString[NUM_PUZZLES];
- byte *episodeIQString;
- int episodeIQStringSize;
-
- // load string with IQ points given per puzzle in any savegame
- // IMPORTANT: the resource string STRINGID_IQ_SERIES is only valid while
- // the original save/load dialog is executed, so do not use it here.
- memset(seriesIQString, 0, sizeof(seriesIQString));
- loadIQPoints(seriesIQString, sizeof(seriesIQString));
-
- // string with IQ points given per puzzle in current savegame
- episodeIQString = getResourceAddress(rtString, STRINGID_IQ_EPISODE);
- if (!episodeIQString)
- return;
- episodeIQStringSize = getResourceSize(rtString, STRINGID_IQ_EPISODE);
- if (episodeIQStringSize < NUM_PUZZLES)
- return;
-
- // merge episode and series IQ strings and calculate series IQ
- seriesIQ = 0;
- // iterate over puzzles
- for (int i = 0; i < NUM_PUZZLES ; ++i) {
- byte puzzleIQ = seriesIQString[i];
- // if puzzle is solved copy points to episode string
- if (puzzleIQ > 0)
- episodeIQString[i] = puzzleIQ;
- // add puzzle's IQ-points to series IQ
- seriesIQ += episodeIQString[i];
- }
- _scummVars[245] = seriesIQ;
-
- // save series IQ string
- saveIQPoints();
-}
-
-void ScummEngine_v5::saveIQPoints() {
- // save Indy3 IQ-points
- Common::OutSaveFile *file;
- Common::String filename = _targetName + ".iq";
-
- file = _saveFileMan->openForSaving(filename.c_str());
- if (file != NULL) {
- byte *ptr = getResourceAddress(rtString, STRINGID_IQ_EPISODE);
- if (ptr) {
- int size = getResourceSize(rtString, STRINGID_IQ_EPISODE);
- file->write(ptr, size);
- }
- delete file;
- }
-}
-
-void ScummEngine_v5::loadIQPoints(byte *ptr, int size) {
- // load Indy3 IQ-points
- Common::InSaveFile *file;
- Common::String filename = _targetName + ".iq";
-
- file = _saveFileMan->openForLoading(filename.c_str());
- if (file != NULL) {
- byte *tmp = (byte*)malloc(size);
- int nread = file->read(tmp, size);
- if (nread == size) {
- memcpy(ptr, tmp, size);
- }
- free(tmp);
- delete file;
- }
-}
-
void ScummEngine_v5::o5_expression() {
int dst, i;
@@ -1249,99 +1031,7 @@ void ScummEngine_v5::o5_getActorY() {
setResult(getObjY(a));
}
-void ScummEngine_v5::o5_saveLoadGame() {
- getResultPos();
- byte a = getVarOrDirectByte(PARAM_1);
- byte slot = a & 0x1F;
- byte result = 0;
-
- // Slot numbers in older games start with 0, in newer games with 1
- if (_game.version <= 2)
- slot++;
-
- if ((_game.id == GID_MANIAC) && (_game.version <= 1)) {
- // Convert older load/save screen
- // 1 Load
- // 2 Save
- slot = 1;
- if (a == 1)
- _opcode = 0x40;
- else if ((a == 2) || (_game.platform == Common::kPlatformNES))
- _opcode = 0x80;
- } else {
- _opcode = a & 0xE0;
- }
-
- switch (_opcode) {
- case 0x00: // num slots available
- result = 100;
- break;
- case 0x20: // drive
- if (_game.version <= 3) {
- // 0 = ???
- // [1,2] = disk drive [A:,B:]
- // 3 = hard drive
- result = 3;
- } else {
- // set current drive
- result = 1;
- }
- break;
- case 0x40: // load
- if (loadState(slot, false))
- result = 3; // sucess
- else
- result = 5; // failed to load
- break;
- case 0x80: // save
- if (_game.version <= 3) {
- char name[32];
- if (_game.version <= 2) {
- // use generic name
- sprintf(name, "Game %c", 'A'+slot-1);
- } else {
- // use name entered by the user
- char* ptr;
- int firstSlot = (_game.id == GID_LOOM) ? STRINGID_SAVENAME1_LOOM : STRINGID_SAVENAME1;
- ptr = (char*)getStringAddress(slot + firstSlot - 1);
- strncpy(name, ptr, sizeof(name));
- }
-
- if (((ScummEngine_v3 *)this)->savePreparedSavegame(slot, name))
- result = 0;
- else
- result = 2;
- } else {
- result = 2; // failed to save
- }
- break;
- case 0xC0: // test if save exists
- {
- Common::InSaveFile *file;
- bool avail_saves[100];
-
- listSavegames(avail_saves, ARRAYSIZE(avail_saves));
- Common::String filename = makeSavegameName(slot, false);
- if (avail_saves[slot] && (file = _saveFileMan->openForLoading(filename.c_str()))) {
- result = 6; // save file exists
- delete file;
- } else
- result = 7; // save file does not exist
- }
- break;
- default:
- error("o5_saveLoadGame: unknown subopcode %d", _opcode);
- }
-
- setResult(result);
-}
-
void ScummEngine_v5::o5_getAnimCounter() {
- if (_game.version == 3) {
- o5_saveLoadGame();
- return;
- }
-
getResultPos();
int act = getVarOrDirectByte(PARAM_1);
@@ -2407,7 +2097,7 @@ void ScummEngine_v5::o5_startScript() {
// WORKAROUND: Indy3 does not save the series IQ automatically after changing it.
// Save on IQ increment (= script 125 was executed).
if (_game.id == GID_INDY3 && script == 125)
- updateIQPoints();
+ ((ScummEngine_v4 *)this)->updateIQPoints();
}
void ScummEngine_v5::o5_stopObjectCode() {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 21:47:58 +0000