diff options
Diffstat (limited to 'engines/sci/engine')
-rw-r--r-- | engines/sci/engine/game.cpp | 2 | ||||
-rw-r--r-- | engines/sci/engine/kmovement.cpp | 2 | ||||
-rw-r--r-- | engines/sci/engine/kscripts.cpp | 8 | ||||
-rw-r--r-- | engines/sci/engine/kstring.cpp | 4 | ||||
-rw-r--r-- | engines/sci/engine/savegame.cpp | 2 | ||||
-rw-r--r-- | engines/sci/engine/scriptdebug.cpp | 4 | ||||
-rw-r--r-- | engines/sci/engine/seg_manager.cpp | 42 | ||||
-rw-r--r-- | engines/sci/engine/seg_manager.h | 28 | ||||
-rw-r--r-- | engines/sci/engine/vm.cpp | 24 |
9 files changed, 46 insertions, 70 deletions
diff --git a/engines/sci/engine/game.cpp b/engines/sci/engine/game.cpp index 720bf04176..b0df4aacde 100644 --- a/engines/sci/engine/game.cpp +++ b/engines/sci/engine/game.cpp @@ -408,7 +408,7 @@ int script_init_engine(EngineState *s, sci_version_t version) { return 1; } - s->script_000 = s->seg_manager->getScript(s->script_000_segment, SEG_ID); + s->script_000 = s->seg_manager->getScript(s->script_000_segment); s->sys_strings = s->seg_manager->allocateSysStrings(&s->sys_strings_segment); s->string_frag_segment = s->seg_manager->allocateStringFrags(); diff --git a/engines/sci/engine/kmovement.cpp b/engines/sci/engine/kmovement.cpp index a2e244d265..8b3c2d0db0 100644 --- a/engines/sci/engine/kmovement.cpp +++ b/engines/sci/engine/kmovement.cpp @@ -271,7 +271,7 @@ static void bresenham_autodetect(EngineState *s) { return; } - buf = s->seg_manager->getScript(fptr.segment, SEG_ID)->buf + fptr.offset; + buf = s->seg_manager->getScript(fptr.segment)->buf + fptr.offset; handle_movecnt = (s->version <= SCI_VERSION_0 || checksum_bytes(buf, 8) == 0x216) ? INCREMENT_MOVECNT : IGNORE_MOVECNT; sciprintf("b-moveCnt action based on checksum: %s\n", handle_movecnt == IGNORE_MOVECNT ? "ignore" : "increment"); } else { diff --git a/engines/sci/engine/kscripts.cpp b/engines/sci/engine/kscripts.cpp index 9464ba92c8..f00731aab4 100644 --- a/engines/sci/engine/kscripts.cpp +++ b/engines/sci/engine/kscripts.cpp @@ -184,8 +184,8 @@ reg_t kClone(EngineState *s, int funct_nr, int argc, reg_t *argv) { clone_obj->_variables[SCRIPT_SPECIES_SELECTOR] = clone_obj->pos; if (IS_CLASS(parent_obj)) clone_obj->_variables[SCRIPT_SUPERCLASS_SELECTOR] = parent_obj->pos; - s->seg_manager->getScript(parent_obj->pos.segment, SEG_ID)->incrementLockers(); - s->seg_manager->getScript(clone_obj->pos.segment, SEG_ID)->incrementLockers(); + s->seg_manager->getScript(parent_obj->pos.segment)->incrementLockers(); + s->seg_manager->getScript(clone_obj->pos.segment)->incrementLockers(); return clone_addr; } @@ -243,7 +243,7 @@ reg_t kScriptID(EngineState *s, int funct_nr, int argc, reg_t *argv) { if (!scriptid) return NULL_REG; - scr = s->seg_manager->getScript(scriptid, SEG_ID); + scr = s->seg_manager->getScript(scriptid); if (!scr->exports_nr) { SCIkdebug(SCIkERROR, "Script 0x%x does not have a dispatch table\n", script); @@ -266,7 +266,7 @@ reg_t kDisposeScript(EngineState *s, int funct_nr, int argc, reg_t *argv) { return s->r_acc; int id = s->seg_manager->segGet(script); - Script *scr = s->seg_manager->getScriptIfLoaded(id, SEG_ID); + Script *scr = s->seg_manager->getScriptIfLoaded(id); if (scr) { if (s->_executionStack[s->execution_stack_pos].addr.pc.segment != id) scr->setLockers(1); diff --git a/engines/sci/engine/kstring.cpp b/engines/sci/engine/kstring.cpp index 9c9eb6ede8..edb5424219 100644 --- a/engines/sci/engine/kstring.cpp +++ b/engines/sci/engine/kstring.cpp @@ -200,12 +200,12 @@ reg_t kSetSynonyms(EngineState *s, int funct_nr, int argc, reg_t *argv) { seg = s->seg_manager->segGet(script); if (seg >= 0) - synonyms_nr = s->seg_manager->getScript(seg, SEG_ID)->getSynonymsNr(); + synonyms_nr = s->seg_manager->getScript(seg)->getSynonymsNr(); if (synonyms_nr) { byte *synonyms; - synonyms = s->seg_manager->getScript(seg, SEG_ID)->getSynonyms(); + synonyms = s->seg_manager->getScript(seg)->getSynonyms(); if (synonyms) { SCIkdebug(SCIkPARSER, "Setting %d synonyms for script.%d\n", synonyms_nr, script); diff --git a/engines/sci/engine/savegame.cpp b/engines/sci/engine/savegame.cpp index 69275e8ada..72e96c6e8f 100644 --- a/engines/sci/engine/savegame.cpp +++ b/engines/sci/engine/savegame.cpp @@ -817,7 +817,7 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) { reconstruct_scripts(retval, retval->seg_manager); reconstruct_clones(retval, retval->seg_manager); retval->game_obj = s->game_obj; - retval->script_000 = retval->seg_manager->getScript(script_get_segment(s, 0, SCRIPT_GET_DONT_LOAD), SEG_ID); + retval->script_000 = retval->seg_manager->getScript(script_get_segment(s, 0, SCRIPT_GET_DONT_LOAD)); retval->gc_countdown = GC_INTERVAL - 1; retval->save_dir_copy = make_reg(s->sys_strings_segment, SYS_STRING_SAVEDIR); retval->save_dir_edit_offset = 0; diff --git a/engines/sci/engine/scriptdebug.cpp b/engines/sci/engine/scriptdebug.cpp index ae538554d7..5dcf42cf59 100644 --- a/engines/sci/engine/scriptdebug.cpp +++ b/engines/sci/engine/scriptdebug.cpp @@ -639,7 +639,7 @@ int c_segkill(EngineState *s, const Common::Array<cmd_param_t> &cmdParams) { while (i < cmdParams.size()) { int nr = cmdParams[i++].val; - s->seg_manager->getScript(nr, SEG_ID)->setLockers(0); + s->seg_manager->getScript(nr)->setLockers(0); } return 0; } @@ -2551,7 +2551,7 @@ int objinfo(EngineState *s, reg_t pos) { sciprintf(" [%03x] %s = "PREG"\n", VM_OBJECT_GET_FUNCSELECTOR(obj, i), selector_name(s, VM_OBJECT_GET_FUNCSELECTOR(obj, i)), PRINT_REG(fptr)); } if (s->seg_manager->_heap[pos.segment]->getType() == MEM_OBJ_SCRIPT) - sciprintf("\nOwner script:\t%d\n", s->seg_manager->getScript(pos.segment, SEG_ID)->nr); + sciprintf("\nOwner script:\t%d\n", s->seg_manager->getScript(pos.segment)->nr); return 0; } diff --git a/engines/sci/engine/seg_manager.cpp b/engines/sci/engine/seg_manager.cpp index ad7b2e8fc1..80909bba8c 100644 --- a/engines/sci/engine/seg_manager.cpp +++ b/engines/sci/engine/seg_manager.cpp @@ -387,23 +387,20 @@ int SegManager::segGet(int script_id) const { return id_seg_map->lookupKey(script_id); } -Script *SegManager::getScript(const int id, idFlag flag) { - const int seg = (flag == SCRIPT_ID) ? segGet(id) : id; - +Script *SegManager::getScript(const int seg) { if (seg < 0 || (uint)seg >= _heap.size()) { - error("SegManager::getScript(%d,%d): seg id %x out of bounds", id, flag, seg); + error("SegManager::getScript(): seg id %x out of bounds", seg); } if (!_heap[seg]) { - error("SegManager::getScript(%d,%d): seg id %x is not in memory", id, flag, seg); + error("SegManager::getScript(): seg id %x is not in memory", seg); } if (_heap[seg]->getType() != MEM_OBJ_SCRIPT) { - error("SegManager::getScript(%d,%d): seg id %x refers to type %d != MEM_OBJ_SCRIPT", id, flag, seg, _heap[seg]->getType()); + error("SegManager::getScript(): seg id %x refers to type %d != MEM_OBJ_SCRIPT", seg, _heap[seg]->getType()); } return (Script *)_heap[seg]; } -Script *SegManager::getScriptIfLoaded(const int id, idFlag flag) { - const int seg = (flag == SCRIPT_ID) ? segGet(id) : id; +Script *SegManager::getScriptIfLoaded(const int seg) { if (seg < 0 || (uint)seg >= _heap.size() || !_heap[seg] || _heap[seg]->getType() != MEM_OBJ_SCRIPT) return 0; return (Script *)_heap[seg]; @@ -424,11 +421,8 @@ bool SegManager::check(int seg) { return true; } -int SegManager::scriptIsLoaded(int id, idFlag flag) { - if (flag == SCRIPT_ID) - id = segGet(id); - - return check(id); +bool SegManager::scriptIsLoaded(int seg) { + return getScriptIfLoaded(seg) != 0; } void Script::incrementLockers() { @@ -495,7 +489,7 @@ int SegManager::relocateBlock(Common::Array<reg_t> &block, int block_location, S } block[idx].segment = segment; // Perform relocation if (isSci1_1) - block[idx].offset += getScript(segment, SEG_ID)->script_size; + block[idx].offset += getScript(segment)->script_size; return 1; } @@ -512,7 +506,7 @@ int SegManager::relocateObject(Object *obj, SegmentId segment, int location) { } void SegManager::scriptAddCodeBlock(reg_t location) { - Script *scr = getScript(location.segment, SEG_ID); + Script *scr = getScript(location.segment); CodeBlock cb; cb.pos = location; @@ -521,7 +515,7 @@ void SegManager::scriptAddCodeBlock(reg_t location) { } void SegManager::scriptRelocate(reg_t block) { - Script *scr = getScript(block.segment, SEG_ID); + Script *scr = getScript(block.segment); VERIFY(block.offset < (uint16)scr->buf_size && READ_LE_UINT16(scr->buf + block.offset) * 2 + block.offset < (uint16)scr->buf_size, "Relocation block outside of script\n"); @@ -567,7 +561,7 @@ void SegManager::scriptRelocate(reg_t block) { } void SegManager::heapRelocate(EngineState *s, reg_t block) { - Script *scr = getScript(block.segment, SEG_ID); + Script *scr = getScript(block.segment); VERIFY(block.offset < (uint16)scr->heap_size && READ_LE_UINT16(scr->heap_start + block.offset) * 2 + block.offset < (uint16)scr->buf_size, "Relocation block outside of script\n"); @@ -615,7 +609,7 @@ Object *SegManager::scriptObjInit0(EngineState *s, reg_t obj_pos) { unsigned int base = obj_pos.offset - SCRIPT_OBJECT_MAGIC_OFFSET; reg_t temp; - Script *scr = getScript(obj_pos.segment, SEG_ID); + Script *scr = getScript(obj_pos.segment); VERIFY(base < scr->buf_size, "Attempt to initialize object beyond end of script\n"); @@ -670,7 +664,7 @@ Object *SegManager::scriptObjInit11(EngineState *s, reg_t obj_pos) { int id; int base = obj_pos.offset; - Script *scr = getScript(obj_pos.segment, SEG_ID); + Script *scr = getScript(obj_pos.segment); VERIFY(base < (uint16)scr->buf_size, "Attempt to initialize object beyond end of script\n"); @@ -751,7 +745,7 @@ LocalVariables *SegManager::allocLocalsSegment(Script *scr, int count) { } void SegManager::scriptInitialiseLocalsZero(SegmentId seg, int count) { - Script *scr = getScript(seg, SEG_ID); + Script *scr = getScript(seg); scr->locals_offset = -count * 2; // Make sure it's invalid @@ -759,7 +753,7 @@ void SegManager::scriptInitialiseLocalsZero(SegmentId seg, int count) { } void SegManager::scriptInitialiseLocals(reg_t location) { - Script *scr = getScript(location.segment, SEG_ID); + Script *scr = getScript(location.segment); unsigned int count; VERIFY(location.offset + 1 < (uint16)scr->buf_size, "Locals beyond end of script\n"); @@ -788,7 +782,7 @@ void SegManager::scriptInitialiseLocals(reg_t location) { } void SegManager::scriptRelocateExportsSci11(int seg) { - Script *scr = getScript(seg, SEG_ID); + Script *scr = getScript(seg); for (int i = 0; i < scr->exports_nr; i++) { /* We are forced to use an ugly heuristic here to distinguish function exports from object/class exports. The former kind points into the @@ -804,7 +798,7 @@ void SegManager::scriptRelocateExportsSci11(int seg) { } void SegManager::scriptInitialiseObjectsSci11(EngineState *s, int seg) { - Script *scr = getScript(seg, SEG_ID); + Script *scr = getScript(seg); byte *seeker = scr->heap_start + 4 + READ_LE_UINT16(scr->heap_start + 2) * 2; while (READ_LE_UINT16(seeker) == SCRIPT_OBJECT_MAGIC_NUMBER) { @@ -895,7 +889,7 @@ SegmentId SegManager::allocateStringFrags() { } uint16 SegManager::validateExportFunc(int pubfunct, int seg) { - Script *scr = getScript(seg, SEG_ID); + Script *scr = getScript(seg); if (scr->exports_nr <= pubfunct) { sciprintf("pubfunct is invalid"); return 0; diff --git a/engines/sci/engine/seg_manager.h b/engines/sci/engine/seg_manager.h index 549363b9aa..264e39a684 100644 --- a/engines/sci/engine/seg_manager.h +++ b/engines/sci/engine/seg_manager.h @@ -32,12 +32,6 @@ namespace Sci { -// SCRIPT_ID must be 0 -enum idFlag { - SCRIPT_ID, - SEG_ID -}; - #define GET_SEGMENT(mgr, index, rtype) (((index) > 0 && (int)(mgr)._heap.size() > index) ? \ (((mgr)._heap[index] && (mgr)._heap[index]->getType() == rtype)? (mgr)._heap[index] : NULL) : NULL) @@ -77,12 +71,9 @@ public: /** * Determines whether a script has been loaded yet. - * @param id number of the script or ID of the script segment to check for - * @param flag whether to address the script by script number (SCRIPT_ID) or - * by its segment (SEG_ID). SEG_ID is faster than SCRIPT_ID, - * but less convenient. + * @param seg ID of the script segment to check for */ - int scriptIsLoaded(int id, idFlag flag); + bool scriptIsLoaded(int seg); // Validate whether the specified public function is exported by the script in the specified segment // Parameters: (int) pubfunct: Index of the function to validate @@ -99,24 +90,17 @@ public: /** * Return a pointer to the specified script. If the id is invalid, does not refer * to a script or the script is not loaded, this will invoke error(). - * @param id number of the script or ID of the script segment to check for - * @param flag whether to address the script by script number (SCRIPT_ID) or - * by its segment (SEG_ID). SEG_ID is faster than SCRIPT_ID, - * but less convenient. + * @param seg ID of the script segment to check for * @return pointer to the Script object */ - Script *getScript(int id, idFlag flag); + Script *getScript(int seg); /** * Return a pointer to the specified script. If the id is invalid, does not refer - * to a script or the script is not loaded, this will return NULL. - * @param id number of the script or ID of the script segment to check for - * @param flag whether to address the script by script number (SCRIPT_ID) or - * by its segment (SEG_ID). SEG_ID is faster than SCRIPT_ID, - * but less convenient. + * @param seg ID of the script segment to check for * @return pointer to the Script object, or NULL */ - Script *getScriptIfLoaded(int id, idFlag flag); + Script *getScriptIfLoaded(int seg); diff --git a/engines/sci/engine/vm.cpp b/engines/sci/engine/vm.cpp index c425d462fc..81b279f00f 100644 --- a/engines/sci/engine/vm.cpp +++ b/engines/sci/engine/vm.cpp @@ -222,7 +222,7 @@ reg_t get_class_address(EngineState *s, int classnr, int lock, reg_t caller) { } } else if (caller.segment != the_class->reg.segment) - s->seg_manager->getScript(the_class->reg.segment, SEG_ID)->incrementLockers(); + s->seg_manager->getScript(the_class->reg.segment)->incrementLockers(); return the_class->reg; } @@ -252,17 +252,15 @@ reg_t get_class_address(EngineState *s, int classnr, int lock, reg_t caller) { // Returns an object's superclass ExecStack *execute_method(EngineState *s, uint16 script, uint16 pubfunct, StackPtr sp, reg_t calling_obj, uint16 argc, StackPtr argp) { - int seg; - uint16 temp; + int seg = s->seg_manager->segGet(script); + Script *scr = s->seg_manager->getScriptIfLoaded(seg); - seg = s->seg_manager->segGet(script); - - if (!s->seg_manager->scriptIsLoaded(seg, SEG_ID)) // Script not present yet? + if (!scr) // Script not present yet? seg = script_instantiate(s, script); else - s->seg_manager->getScript(seg, SEG_ID)->unmarkDeleted(); + scr->unmarkDeleted(); - temp = s->seg_manager->validateExportFunc(pubfunct, seg); + int temp = s->seg_manager->validateExportFunc(pubfunct, seg); if (!temp) { sciprintf("Request for invalid exported function 0x%x of script 0x%x\n", pubfunct, script); script_error_flag = script_debug_flag = 1; @@ -528,7 +526,7 @@ void vm_handle_fatal_error(EngineState *s, int line, const char *file) { } static Script *script_locate_by_segment(EngineState *s, SegmentId seg) { - return s->seg_manager->getScriptIfLoaded(seg, SEG_ID); + return s->seg_manager->getScriptIfLoaded(seg); } static reg_t pointer_add(EngineState *s, reg_t base, int offset) { @@ -1591,7 +1589,7 @@ SegmentId script_get_segment(EngineState *s, int script_nr, int load) { if (segment > 0) { if ((load & SCRIPT_GET_LOCK) == SCRIPT_GET_LOCK) - s->seg_manager->getScript(segment, SEG_ID)->incrementLockers(); + s->seg_manager->getScript(segment)->incrementLockers(); return segment; } else @@ -1713,7 +1711,7 @@ int script_instantiate_sci0(EngineState *s, int script_nr) { reg.segment = seg_id; reg.offset = 0; - Script *scr = s->seg_manager->getScript(seg_id, SEG_ID); + Script *scr = s->seg_manager->getScript(seg_id); if (s->flags & GF_SCI0_OLD) { // @@ -1861,7 +1859,7 @@ int script_instantiate_sci11(EngineState *s, int script_nr) { if (was_new) return seg_id; - Script *scr = s->seg_manager->getScript(seg_id, SEG_ID); + Script *scr = s->seg_manager->getScript(seg_id); heap_start = script->size; if (script->size & 2) @@ -1896,7 +1894,7 @@ int script_instantiate(EngineState *s, int script_nr) { void script_uninstantiate_sci0(EngineState *s, int script_nr, SegmentId seg) { reg_t reg = make_reg(seg, (s->flags & GF_SCI0_OLD) ? 2 : 0); int objtype, objlength; - Script *scr = s->seg_manager->getScript(seg, SEG_ID); + Script *scr = s->seg_manager->getScript(seg); // Make a pass over the object in order uninstantiate all superclasses objlength = 0; |