diff options
Diffstat (limited to 'engines')
| -rw-r--r-- | engines/sci/engine/script.cpp | 95 |
1 files changed, 33 insertions, 62 deletions
diff --git a/engines/sci/engine/script.cpp b/engines/sci/engine/script.cpp index 07fc75596e..304fd4d6fd 100644 --- a/engines/sci/engine/script.cpp +++ b/engines/sci/engine/script.cpp @@ -252,46 +252,13 @@ void SegManager::scriptInitialiseObjectsSci11(SegmentId seg) { } } - - -int script_instantiate_common(ResourceManager *resMan, SegManager *segMan, int script_nr, int *was_new) { - *was_new = 1; - - SegmentId seg_id = segMan->getScriptSegment(script_nr); - Script *scr = segMan->getScriptIfLoaded(seg_id); - if (scr) { - if (!scr->isMarkedAsDeleted()) { - scr->incrementLockers(); - return seg_id; - } else { - scr->freeScript(); - } - } else { - scr = segMan->allocateScript(script_nr, &seg_id); - } - - scr->init(script_nr, resMan); - scr->load(resMan); - - *was_new = 0; - - return seg_id; -} - -int script_instantiate_sci0(ResourceManager *resMan, SegManager *segMan, int script_nr) { +int script_instantiate_sci0(Script *scr, int segmentId, SegManager *segMan) { int objType; uint32 objLength = 0; int relocation = -1; - int was_new; bool oldScriptHeader = (getSciVersion() == SCI_VERSION_0_EARLY); - const int seg_id = script_instantiate_common(resMan, segMan, script_nr, &was_new); uint16 curOffset = oldScriptHeader ? 2 : 0; - if (was_new) - return seg_id; - - Script *scr = segMan->getScript(seg_id); - if (oldScriptHeader) { // Old script block // There won't be a localvar block in this case @@ -299,7 +266,7 @@ int script_instantiate_sci0(ResourceManager *resMan, SegManager *segMan, int scr // number of locals we need; these are then allocated and zeroed. int localsCount = READ_LE_UINT16(scr->_buf); if (localsCount) - segMan->scriptInitialiseLocalsZero(seg_id, localsCount); + segMan->scriptInitialiseLocalsZero(segmentId, localsCount); } // Now do a first pass through the script objects to find the @@ -315,7 +282,7 @@ int script_instantiate_sci0(ResourceManager *resMan, SegManager *segMan, int scr switch (objType) { case SCI_OBJ_LOCALVARS: - segMan->scriptInitialiseLocals(make_reg(seg_id, curOffset)); + segMan->scriptInitialiseLocals(make_reg(segmentId, curOffset)); break; case SCI_OBJ_CLASS: { int classpos = curOffset - SCRIPT_OBJECT_MAGIC_OFFSET; @@ -327,14 +294,14 @@ int script_instantiate_sci0(ResourceManager *resMan, SegManager *segMan, int scr segMan->resizeClassTable(segMan->classTableSize() + 1); } else { warning("Invalid species %d(0x%x) not in interval " - "[0,%d) while instantiating script %d\n", + "[0,%d) while instantiating script at segment %d\n", species, species, segMan->classTableSize(), - script_nr); + segmentId); return 0; } } - segMan->setClassOffset(species, make_reg(seg_id, classpos)); + segMan->setClassOffset(species, make_reg(segmentId, classpos)); // Set technical class position-- into the block allocated for it } break; @@ -358,7 +325,7 @@ int script_instantiate_sci0(ResourceManager *resMan, SegManager *segMan, int scr objLength = scr->getHeap(curOffset + 2); curOffset += 4; // skip header - reg_t addr = make_reg(seg_id, curOffset); + reg_t addr = make_reg(segmentId, curOffset); switch (objType) { case SCI_OBJ_CODE: @@ -387,33 +354,37 @@ int script_instantiate_sci0(ResourceManager *resMan, SegManager *segMan, int scr } while (objType != 0 && curOffset < scr->getScriptSize() - 2); if (relocation >= 0) - scr->relocate(make_reg(seg_id, relocation)); + scr->relocate(make_reg(segmentId, relocation)); - return seg_id; // instantiation successful + return segmentId; // instantiation successful } -int script_instantiate_sci11(ResourceManager *resMan, SegManager *segMan, int script_nr) { - int was_new; - const int seg_id = script_instantiate_common(resMan, segMan, script_nr, &was_new); - - if (was_new) - return seg_id; - - Script *scr = segMan->getScript(seg_id); - - int heapStart = scr->getScriptSize(); - segMan->scriptInitialiseLocals(make_reg(seg_id, heapStart + 4)); - segMan->scriptInitialiseObjectsSci11(seg_id); - scr->relocate(make_reg(seg_id, READ_SCI11ENDIAN_UINT16(scr->_heapStart))); +int script_instantiate(ResourceManager *resMan, SegManager *segMan, int scriptNum) { + SegmentId segmentId = segMan->getScriptSegment(scriptNum); + Script *scr = segMan->getScriptIfLoaded(segmentId); + if (scr) { + if (!scr->isMarkedAsDeleted()) { + scr->incrementLockers(); + return segmentId; + } else { + scr->freeScript(); + } + } else { + scr = segMan->allocateScript(scriptNum, &segmentId); + } - return seg_id; -} + scr->init(scriptNum, resMan); + scr->load(resMan); -int script_instantiate(ResourceManager *resMan, SegManager *segMan, int script_nr) { - if (getSciVersion() >= SCI_VERSION_1_1) - return script_instantiate_sci11(resMan, segMan, script_nr); - else - return script_instantiate_sci0(resMan, segMan, script_nr); + if (getSciVersion() >= SCI_VERSION_1_1) { + int heapStart = scr->getScriptSize(); + segMan->scriptInitialiseLocals(make_reg(segmentId, heapStart + 4)); + segMan->scriptInitialiseObjectsSci11(segmentId); + scr->relocate(make_reg(segmentId, READ_SCI11ENDIAN_UINT16(scr->_heapStart))); + return segmentId; + } else { + return script_instantiate_sci0(scr, segmentId, segMan); + } } void script_uninstantiate_sci0(SegManager *segMan, int script_nr, SegmentId seg) { |