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-rw-r--r--engines/sci/engine/segment.cpp139
1 files changed, 2 insertions, 137 deletions
diff --git a/engines/sci/engine/segment.cpp b/engines/sci/engine/segment.cpp
index b16dd5a5e5..e40777755f 100644
--- a/engines/sci/engine/segment.cpp
+++ b/engines/sci/engine/segment.cpp
@@ -26,7 +26,9 @@
#include "common/endian.h"
#include "sci/sci.h"
+#include "sci/engine/kernel.h"
#include "sci/engine/features.h"
+#include "sci/engine/object.h"
#include "sci/engine/script.h" // for SCI_OBJ_EXPORTS and SCI_OBJ_SYNONYMS
#include "sci/engine/segment.h"
#include "sci/engine/seg_manager.h"
@@ -130,30 +132,6 @@ const char *SegmentObj::getSegmentTypeName(SegmentType type) {
return NULL;
}
-// This helper function is used by Script::relocateLocal and Object::relocate
-// Duplicate in segment.cpp and script.cpp
-static bool relocateBlock(Common::Array<reg_t> &block, int block_location, SegmentId segment, int location, size_t scriptSize) {
- int rel = location - block_location;
-
- if (rel < 0)
- return false;
-
- uint idx = rel >> 1;
-
- if (idx >= block.size())
- return false;
-
- if (rel & 1) {
- error("Attempt to relocate odd variable #%d.5e (relative to %04x)\n", idx, block_location);
- return false;
- }
- block[idx].segment = segment; // Perform relocation
- if (getSciVersion() >= SCI_VERSION_1_1)
- block[idx].offset += scriptSize;
-
- return true;
-}
-
SegmentRef SegmentObj::dereference(reg_t pointer) {
error("Error: Trying to dereference pointer %04x:%04x to inappropriate segment",
PRINT_REG(pointer));
@@ -318,10 +296,8 @@ reg_t DataStack::findCanonicAddress(SegManager *segMan, reg_t addr) const {
Common::Array<reg_t> DataStack::listAllOutgoingReferences(reg_t object) const {
Common::Array<reg_t> tmp;
- fprintf(stderr, "Emitting %d stack entries\n", _capacity);
for (int i = 0; i < _capacity; i++)
tmp.push_back(_entries[i]);
- fprintf(stderr, "DONE");
return tmp;
}
@@ -371,117 +347,6 @@ Common::Array<reg_t> NodeTable::listAllOutgoingReferences(reg_t addr) const {
return tmp;
}
-
-//-------------------- hunk --------------------
-
-//-------------------- object ----------------------------
-
-void Object::init(byte *buf, reg_t obj_pos, bool initVariables) {
- byte *data = buf + obj_pos.offset;
- _baseObj = data;
- _pos = obj_pos;
-
- if (getSciVersion() < SCI_VERSION_1_1) {
- _variables.resize(READ_LE_UINT16(data + kOffsetSelectorCounter));
- _baseVars = (const uint16 *)(_baseObj + _variables.size() * 2);
- _baseMethod = (const uint16 *)(data + READ_LE_UINT16(data + kOffsetFunctionArea));
- _methodCount = READ_LE_UINT16(_baseMethod - 1);
- } else {
- _variables.resize(READ_SCI11ENDIAN_UINT16(data + 2));
- _baseVars = (const uint16 *)(buf + READ_SCI11ENDIAN_UINT16(data + 4));
- _baseMethod = (const uint16 *)(buf + READ_SCI11ENDIAN_UINT16(data + 6));
- _methodCount = READ_SCI11ENDIAN_UINT16(_baseMethod);
- }
-
- if (initVariables) {
- for (uint i = 0; i < _variables.size(); i++)
- _variables[i] = make_reg(0, READ_SCI11ENDIAN_UINT16(data + (i * 2)));
- }
-}
-
-const Object *Object::getClass(SegManager *segMan) const {
- return isClass() ? this : segMan->getObject(getSuperClassSelector());
-}
-
-int Object::locateVarSelector(SegManager *segMan, Selector slc) const {
- const byte *buf;
- uint varnum;
-
- if (getSciVersion() < SCI_VERSION_1_1) {
- varnum = getVarCount();
- int selector_name_offset = varnum * 2 + kOffsetSelectorSegment;
- buf = _baseObj + selector_name_offset;
- } else {
- const Object *obj = getClass(segMan);
- varnum = obj->getVariable(1).toUint16();
- buf = (const byte *)obj->_baseVars;
- }
-
- for (uint i = 0; i < varnum; i++)
- if (READ_SCI11ENDIAN_UINT16(buf + (i << 1)) == slc) // Found it?
- return i; // report success
-
- return -1; // Failed
-}
-
-bool Object::relocate(SegmentId segment, int location, size_t scriptSize) {
- return relocateBlock(_variables, getPos().offset, segment, location, scriptSize);
-}
-
-int Object::propertyOffsetToId(SegManager *segMan, int propertyOffset) const {
- int selectors = getVarCount();
-
- if (propertyOffset < 0 || (propertyOffset >> 1) >= selectors) {
- error("Applied propertyOffsetToId to invalid property offset %x (property #%d not in [0..%d])",
- propertyOffset, propertyOffset >> 1, selectors - 1);
- return -1;
- }
-
- if (getSciVersion() < SCI_VERSION_1_1) {
- const byte *selectoroffset = ((const byte *)(_baseObj)) + kOffsetSelectorSegment + selectors * 2;
- return READ_SCI11ENDIAN_UINT16(selectoroffset + propertyOffset);
- } else {
- const Object *obj = this;
- if (!isClass())
- obj = segMan->getObject(getSuperClassSelector());
-
- return READ_SCI11ENDIAN_UINT16((const byte *)obj->_baseVars + propertyOffset);
- }
-}
-
-void Object::initSpecies(SegManager *segMan, reg_t addr) {
- uint16 speciesOffset = getSpeciesSelector().offset;
-
- if (speciesOffset == 0xffff) // -1
- setSpeciesSelector(NULL_REG); // no species
- else
- setSpeciesSelector(segMan->getClassAddress(speciesOffset, SCRIPT_GET_LOCK, addr));
-}
-
-void Object::initSuperClass(SegManager *segMan, reg_t addr) {
- uint16 superClassOffset = getSuperClassSelector().offset;
-
- if (superClassOffset == 0xffff) // -1
- setSuperClassSelector(NULL_REG); // no superclass
- else
- setSuperClassSelector(segMan->getClassAddress(superClassOffset, SCRIPT_GET_LOCK, addr));
-}
-
-bool Object::initBaseObject(SegManager *segMan, reg_t addr, bool doInitSuperClass) {
- const Object *baseObj = segMan->getObject(getSpeciesSelector());
-
- if (baseObj) {
- _variables.resize(baseObj->getVarCount());
- // Copy base from species class, as we need its selector IDs
- _baseObj = baseObj->_baseObj;
- if (doInitSuperClass)
- initSuperClass(segMan, addr);
- return true;
- }
-
- return false;
-}
-
//-------------------- dynamic memory --------------------
reg_t DynMem::findCanonicAddress(SegManager *segMan, reg_t addr) const {