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authorLars Skovlund2009-03-10 14:52:02 +0000
committerLars Skovlund2009-03-10 14:52:02 +0000
commit3cddcb1660c32b902052e0e65b75e434e0f1035c (patch)
treed18127f31f61c80b239b3b3a2719341652f3ed96 /engines
parentcbfd80a5d17314790751ab59cffdf318a4b592b5 (diff)
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String fragments support
WIP: No regressions in this part, I hope svn-id: r39297
Diffstat (limited to 'engines')
-rw-r--r--engines/sci/engine/game.cpp27
-rw-r--r--engines/sci/engine/savegame.cfsml21
-rw-r--r--engines/sci/engine/savegame.cpp83
-rw-r--r--engines/sci/engine/scriptdebug.cpp16
-rw-r--r--engines/sci/engine/seg_manager.cpp18
-rw-r--r--engines/sci/engine/seg_manager.h8
-rw-r--r--engines/sci/engine/state.cpp2
-rw-r--r--engines/sci/engine/state.h2
-rw-r--r--engines/sci/engine/vm.h5
-rw-r--r--engines/sci/module.mk1
10 files changed, 130 insertions, 53 deletions
diff --git a/engines/sci/engine/game.cpp b/engines/sci/engine/game.cpp
index c84637b2bc..7fd940fd68 100644
--- a/engines/sci/engine/game.cpp
+++ b/engines/sci/engine/game.cpp
@@ -471,12 +471,16 @@ int script_init_engine(EngineState *s, sci_version_t version) {
s->script_000 = &(s->seg_manager->heap[s->script_000_segment]->data.script);
s->sys_strings = s->seg_manager->allocateSysStrings(&s->sys_strings_segment);
+ s->string_frag_segment = s->seg_manager->allocateStringFrags();
+
// Allocate static buffer for savegame and CWD directories
SystemString *str = &s->sys_strings->strings[SYS_STRING_SAVEDIR];
str->name = strdup("savedir");
str->max_size = MAX_SAVE_DIR_SIZE;
- str->value = (char*)sci_malloc(MAX_SAVE_DIR_SIZE + 1);
- str->value[0] = 0; // Set to empty string
+ str->value = (reg_t*)sci_malloc(sizeof(reg_t)*MAX_SAVE_DIR_SIZE);
+ str->value->segment = s->string_frag_segment; // Set to empty string
+ str->value->offset = 0;
+
s->save_dir_copy = make_reg(s->sys_strings_segment, SYS_STRING_SAVEDIR);
s->save_dir_edit_offset = 0;
@@ -519,8 +523,18 @@ int script_init_engine(EngineState *s, sci_version_t version) {
void script_set_gamestate_save_dir(EngineState *s, const char *path) {
SystemString *str = &s->sys_strings->strings[SYS_STRING_SAVEDIR];
- strncpy(str->value, path, str->max_size);
- str->value[str->max_size] = 0; // Make sure to terminate
+
+ strncpy((char *)str->value, path, str->max_size);
+ str->value[str->max_size].segment = s->string_frag_segment; // Make sure to terminate
+ str->value[str->max_size].offset &= 0xff00; // Make sure to terminate
+}
+
+void internal_stringfrag_strncpy(EngineState *s, reg_t *dest, reg_t *src, int len);
+
+void script_set_gamestate_save_dir(EngineState *s, reg_t path) {
+ SystemString *str = &s->sys_strings->strings[SYS_STRING_SAVEDIR];
+ reg_t *srcbuf = kernel_dereference_reg_pointer(s, path, 1);
+ internal_stringfrag_strncpy(s, str->value, srcbuf, MAX_SAVE_DIR_SIZE);
}
void script_free_vm_memory(EngineState *s) {
@@ -606,8 +620,9 @@ int game_init(EngineState *s) {
SystemString *str = &s->sys_strings->strings[SYS_STRING_PARSER_BASE];
str->name = strdup("parser-base");
str->max_size = MAX_PARSER_BASE;
- str->value = (char*)sci_malloc(MAX_PARSER_BASE + 1);
- str->value[0] = 0; // Set to empty string
+ str->value = (reg_t*)sci_malloc(MAX_PARSER_BASE + 1);
+ str->value[0].segment = s->string_frag_segment; // Set to empty string
+ str->value[0].offset = 0; // Set to empty string
s->parser_base = make_reg(s->sys_strings_segment, SYS_STRING_PARSER_BASE);
diff --git a/engines/sci/engine/savegame.cfsml b/engines/sci/engine/savegame.cfsml
index 0be2ab1dd4..2b36303057 100644
--- a/engines/sci/engine/savegame.cfsml
+++ b/engines/sci/engine/savegame.cfsml
@@ -601,7 +601,9 @@ static struct {
{MEM_OBJ_LISTS,"LISTS"},
{MEM_OBJ_NODES,"NODES"},
{MEM_OBJ_HUNK,"HUNK"},
- {MEM_OBJ_DYNMEM,"DYNMEM"}};
+ {MEM_OBJ_DYNMEM,"DYNMEM"},
+ {MEM_OBJ_STRING_FRAG,"STRING_FRAGS"},
+};
int mem_obj_string_to_enum(const char *str) {
int i;
@@ -635,6 +637,8 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
break;
case MEM_OBJ_HUNK:
break;
+ case MEM_OBJ_STRING_FRAG:
+ break;
case MEM_OBJ_LISTS:
%CFSMLWRITE ListTable &foo->data.lists INTO fh;
break;
@@ -683,6 +687,8 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
case MEM_OBJ_HUNK:
init_Hunk_table(&foo->data.hunks);
break;
+ case MEM_OBJ_STRING_FRAG:
+ break;
case MEM_OBJ_DYNMEM:
%CFSMLREAD DynMem &foo->data.dynmem FROM fh ERRVAR *hiteof LINECOUNTER *line;
break;
@@ -1039,6 +1045,8 @@ static void reconstruct_sounds(EngineState *s) {
}
}
+void internal_stringfrag_strncpy(EngineState *s, reg_t *dest, reg_t *src, int len);
+
EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
int read_eof = 0;
EngineState *retval;
@@ -1126,17 +1134,18 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
// First, pad memory
for (int i = 0; i < SYS_STRINGS_MAX; i++) {
str = &retval->sys_strings->strings[i];
- char *data = str->value;
+ char *data = (char *) str->value;
if (data) {
- str->value = (char *)sci_malloc(str->max_size + 1);
- strcpy(str->value, data);
+ str->value = (reg_t *)sci_malloc(str->max_size + 1);
+ strcpy((char *)str->value, data);
free(data);
}
}
str = &retval->sys_strings->strings[SYS_STRING_SAVEDIR];
- strncpy(str->value, s->sys_strings->strings[SYS_STRING_SAVEDIR].value, str->max_size);
- str->value[str->max_size] = 0; // Make sure to terminate
+ internal_stringfrag_strncpy(s, str->value, s->sys_strings->strings[SYS_STRING_SAVEDIR].value, str->max_size);
+ str->value[str->max_size].segment = s->string_frag_segment; // Make sure to terminate
+ str->value[str->max_size].offset &= 0xff00; // Make sure to terminate
// Time state:
retval->last_wait_time = g_system->getMillis();
diff --git a/engines/sci/engine/savegame.cpp b/engines/sci/engine/savegame.cpp
index 8831f43707..259e76ed24 100644
--- a/engines/sci/engine/savegame.cpp
+++ b/engines/sci/engine/savegame.cpp
@@ -4288,7 +4288,9 @@ static struct {
{MEM_OBJ_LISTS,"LISTS"},
{MEM_OBJ_NODES,"NODES"},
{MEM_OBJ_HUNK,"HUNK"},
- {MEM_OBJ_DYNMEM,"DYNMEM"}};
+ {MEM_OBJ_DYNMEM,"DYNMEM"},
+ {MEM_OBJ_STRING_FRAG,"STRING_FRAGS"},
+};
int mem_obj_string_to_enum(const char *str) {
int i;
@@ -4308,7 +4310,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_int(fh, &foo->segmgr_id);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 620 "engines/sci/engine/savegame.cfsml"
+#line 622 "engines/sci/engine/savegame.cfsml"
switch (foo->type) {
case MEM_OBJ_SCRIPT:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4316,7 +4318,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_Script(fh, &foo->data.script);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 623 "engines/sci/engine/savegame.cfsml"
+#line 625 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_CLONES:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4324,7 +4326,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_CloneTable(fh, &foo->data.clones);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 626 "engines/sci/engine/savegame.cfsml"
+#line 628 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_LOCALS:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4332,7 +4334,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_LocalVariables(fh, &foo->data.locals);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 629 "engines/sci/engine/savegame.cfsml"
+#line 631 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_SYS_STRINGS:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4340,7 +4342,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_SystemStrings(fh, &foo->data.sys_strings);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 632 "engines/sci/engine/savegame.cfsml"
+#line 634 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_STACK:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4348,17 +4350,19 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_int(fh, &foo->data.stack.nr);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 635 "engines/sci/engine/savegame.cfsml"
+#line 637 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_HUNK:
break;
+ case MEM_OBJ_STRING_FRAG:
+ break;
case MEM_OBJ_LISTS:
#line 822 "engines/sci/engine/savegame.cfsml"
// Auto-generated CFSML data writer code
_cfsml_write_ListTable(fh, &foo->data.lists);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 640 "engines/sci/engine/savegame.cfsml"
+#line 644 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_NODES:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4366,7 +4370,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_NodeTable(fh, &foo->data.nodes);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 643 "engines/sci/engine/savegame.cfsml"
+#line 647 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_DYNMEM:
#line 822 "engines/sci/engine/savegame.cfsml"
@@ -4374,7 +4378,7 @@ void write_MemObject(Common::WriteStream *fh, MemObject const *foo) {
_cfsml_write_DynMem(fh, &foo->data.dynmem);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 646 "engines/sci/engine/savegame.cfsml"
+#line 650 "engines/sci/engine/savegame.cfsml"
break;
default:
break;
@@ -4414,7 +4418,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 660 "engines/sci/engine/savegame.cfsml"
+#line 664 "engines/sci/engine/savegame.cfsml"
switch (foo->type) {
case MEM_OBJ_SCRIPT:
// Auto-generated CFSML data reader code
@@ -4443,7 +4447,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 663 "engines/sci/engine/savegame.cfsml"
+#line 667 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_CLONES:
// Auto-generated CFSML data reader code
@@ -4472,7 +4476,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 666 "engines/sci/engine/savegame.cfsml"
+#line 670 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_LOCALS:
// Auto-generated CFSML data reader code
@@ -4501,7 +4505,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 669 "engines/sci/engine/savegame.cfsml"
+#line 673 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_SYS_STRINGS:
// Auto-generated CFSML data reader code
@@ -4530,7 +4534,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 672 "engines/sci/engine/savegame.cfsml"
+#line 676 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_LISTS:
// Auto-generated CFSML data reader code
@@ -4559,7 +4563,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 675 "engines/sci/engine/savegame.cfsml"
+#line 679 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_NODES:
// Auto-generated CFSML data reader code
@@ -4588,7 +4592,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 678 "engines/sci/engine/savegame.cfsml"
+#line 682 "engines/sci/engine/savegame.cfsml"
break;
case MEM_OBJ_STACK:
// Auto-generated CFSML data reader code
@@ -4617,12 +4621,14 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 681 "engines/sci/engine/savegame.cfsml"
+#line 685 "engines/sci/engine/savegame.cfsml"
foo->data.stack.entries = (reg_t *)sci_calloc(foo->data.stack.nr, sizeof(reg_t));
break;
case MEM_OBJ_HUNK:
init_Hunk_table(&foo->data.hunks);
break;
+ case MEM_OBJ_STRING_FRAG:
+ break;
case MEM_OBJ_DYNMEM:
// Auto-generated CFSML data reader code
#line 766 "engines/sci/engine/savegame.cfsml"
@@ -4650,7 +4656,7 @@ int read_MemObject(Common::SeekableReadStream *fh, MemObject *foo, const char *l
}
}
// End of auto-generated CFSML data reader code
-#line 688 "engines/sci/engine/savegame.cfsml"
+#line 694 "engines/sci/engine/savegame.cfsml"
break;
default:
break;
@@ -4666,7 +4672,7 @@ void write_MemObjPtr(Common::WriteStream *fh, const MemObject * const *foo) {
write_MemObject(fh, (*foo));
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 699 "engines/sci/engine/savegame.cfsml"
+#line 705 "engines/sci/engine/savegame.cfsml"
} else { // Nothing to write
WSprintf(fh, "\\null\\");
}
@@ -4701,7 +4707,7 @@ int read_MemObjPtr(Common::SeekableReadStream *fh, MemObject **foo, const char *
}
}
// End of auto-generated CFSML data reader code
-#line 710 "engines/sci/engine/savegame.cfsml"
+#line 716 "engines/sci/engine/savegame.cfsml"
return *hiteof;
}
return 0;
@@ -4715,7 +4721,7 @@ void write_CommonString(Common::WriteStream *fh, Common::String const *string)
_cfsml_write_string(fh, (&t));
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 719 "engines/sci/engine/savegame.cfsml"
+#line 725 "engines/sci/engine/savegame.cfsml"
}
int read_CommonString(Common::SeekableReadStream *fh, Common::String *string, const char *lastval, int *line, int *hiteof)
@@ -4750,7 +4756,7 @@ int read_CommonString(Common::SeekableReadStream *fh, Common::String *string, co
}
}
// End of auto-generated CFSML data reader code
-#line 726 "engines/sci/engine/savegame.cfsml"
+#line 732 "engines/sci/engine/savegame.cfsml"
if (*hiteof) return *hiteof;
*string = t;
free(t);
@@ -4763,13 +4769,13 @@ void write_SegManagerPtr(Common::WriteStream *fh, const SegManager * const *foo)
_cfsml_write_bool(fh, &((*foo)->isSci1_1));
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 734 "engines/sci/engine/savegame.cfsml"
+#line 740 "engines/sci/engine/savegame.cfsml"
#line 822 "engines/sci/engine/savegame.cfsml"
// Auto-generated CFSML data writer code
_cfsml_write_SegManager(fh, *foo);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 735 "engines/sci/engine/savegame.cfsml"
+#line 741 "engines/sci/engine/savegame.cfsml"
}
int read_SegManagerPtr(Common::SeekableReadStream *fh, SegManager **foo, const char *lastval, int *line, int *hiteof) {
@@ -4800,7 +4806,7 @@ int read_SegManagerPtr(Common::SeekableReadStream *fh, SegManager **foo, const c
}
}
// End of auto-generated CFSML data reader code
-#line 742 "engines/sci/engine/savegame.cfsml"
+#line 748 "engines/sci/engine/savegame.cfsml"
*foo = new SegManager(sci11);
token = _cfsml_get_identifier(fh, line, hiteof, &assignment);
// Auto-generated CFSML data reader code
@@ -4827,7 +4833,7 @@ int read_SegManagerPtr(Common::SeekableReadStream *fh, SegManager **foo, const c
}
}
// End of auto-generated CFSML data reader code
-#line 745 "engines/sci/engine/savegame.cfsml"
+#line 751 "engines/sci/engine/savegame.cfsml"
return 0;
}
@@ -4877,13 +4883,13 @@ int gamestate_save(EngineState *s, Common::WriteStream *fh, const char* savename
_cfsml_write_SavegameMetadata(fh, (&meta));
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 790 "engines/sci/engine/savegame.cfsml"
+#line 796 "engines/sci/engine/savegame.cfsml"
#line 822 "engines/sci/engine/savegame.cfsml"
// Auto-generated CFSML data writer code
_cfsml_write_EngineState(fh, s);
WSprintf(fh, "\n");
// End of auto-generated CFSML data writer code
-#line 791 "engines/sci/engine/savegame.cfsml"
+#line 797 "engines/sci/engine/savegame.cfsml"
_gamestate_unfrob(s);
@@ -5135,6 +5141,8 @@ static void reconstruct_sounds(EngineState *s) {
}
}
+void internal_stringfrag_strncpy(EngineState *s, reg_t *dest, reg_t *src, int len);
+
EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
int read_eof = 0;
EngineState *retval;
@@ -5189,7 +5197,7 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
}
}
// End of auto-generated CFSML data reader code
-#line 1065 "engines/sci/engine/savegame.cfsml"
+#line 1073 "engines/sci/engine/savegame.cfsml"
if (read_eof)
return false;
@@ -5245,7 +5253,7 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
}
}
// End of auto-generated CFSML data reader code
-#line 1089 "engines/sci/engine/savegame.cfsml"
+#line 1097 "engines/sci/engine/savegame.cfsml"
sfx_exit(&s->sound);
_gamestate_unfrob(retval);
@@ -5286,17 +5294,18 @@ EngineState *gamestate_restore(EngineState *s, Common::SeekableReadStream *fh) {
// First, pad memory
for (int i = 0; i < SYS_STRINGS_MAX; i++) {
str = &retval->sys_strings->strings[i];
- char *data = str->value;
+ char *data = (char *) str->value;
if (data) {
- str->value = (char *)sci_malloc(str->max_size + 1);
- strcpy(str->value, data);
+ str->value = (reg_t *)sci_malloc(str->max_size + 1);
+ strcpy((char *)str->value, data);
free(data);
}
}
str = &retval->sys_strings->strings[SYS_STRING_SAVEDIR];
- strncpy(str->value, s->sys_strings->strings[SYS_STRING_SAVEDIR].value, str->max_size);
- str->value[str->max_size] = 0; // Make sure to terminate
+ internal_stringfrag_strncpy(s, str->value, s->sys_strings->strings[SYS_STRING_SAVEDIR].value, str->max_size);
+ str->value[str->max_size].segment = s->string_frag_segment; // Make sure to terminate
+ str->value[str->max_size].offset &= 0xff00; // Make sure to terminate
// Time state:
retval->last_wait_time = g_system->getMillis();
@@ -5382,7 +5391,7 @@ bool get_savegame_metadata(Common::SeekableReadStream* stream, SavegameMetadata*
}
}
// End of auto-generated CFSML data reader code
-#line 1194 "engines/sci/engine/savegame.cfsml"
+#line 1203 "engines/sci/engine/savegame.cfsml"
if (read_eof)
return false;
diff --git a/engines/sci/engine/scriptdebug.cpp b/engines/sci/engine/scriptdebug.cpp
index 0aefa2b331..7a104c8df0 100644
--- a/engines/sci/engine/scriptdebug.cpp
+++ b/engines/sci/engine/scriptdebug.cpp
@@ -87,7 +87,8 @@ char inputbuf[256] = "";
const char *_debug_get_input_default() {
char newinpbuf[256];
-
+ char *newline;
+
printf("> ");
fgets(newinpbuf, 254, stdin);
@@ -327,6 +328,10 @@ int c_segtable(EngineState *s) {
sciprintf("M dynmem: %d bytes", mobj->data.dynmem.size);
break;
+ case MEM_OBJ_STRING_FRAG:
+ sciprintf("F string fragments");
+ break;
+
default:
sciprintf("I Invalid (type = %x)", mobj->type);
break;
@@ -424,10 +429,12 @@ static void _c_single_seg_info(EngineState *s, MemObject *mobj) {
SystemStrings *strings = &(mobj->data.sys_strings);
int i;
- sciprintf("system string table\n");
+ sciprintf("system string table - viewing currently disabled\n");
+#if 0
for (i = 0; i < SYS_STRINGS_MAX; i++)
if (strings->strings[i].name)
sciprintf(" %s[%d]=\"%s\"\n", strings->strings[i].name, strings->strings[i].max_size, strings->strings[i].value);
+#endif
}
break;
@@ -483,6 +490,11 @@ static void _c_single_seg_info(EngineState *s, MemObject *mobj) {
}
break;
+ case MEM_OBJ_STRING_FRAG: {
+ sciprintf("string frags\n");
+ break;
+ }
+
default :
sciprintf("Invalid type %d\n", mobj->type);
break;
diff --git a/engines/sci/engine/seg_manager.cpp b/engines/sci/engine/seg_manager.cpp
index ca682ef578..ad9bfd27cd 100644
--- a/engines/sci/engine/seg_manager.cpp
+++ b/engines/sci/engine/seg_manager.cpp
@@ -1215,6 +1215,14 @@ SystemStrings *SegManager::allocateSysStrings(SegmentId *segid) {
return retval;
}
+SegmentId SegManager::allocateStringFrags() {
+ SegmentId segid;
+
+ allocNonscriptSegment(MEM_OBJ_STRING_FRAG, &segid);
+
+ return segid;
+}
+
#if 0
// Unreferenced - removed
SegmentId SegManager::sm_allocate_reserved_segment(char *src_name) {
@@ -1660,6 +1668,13 @@ public:
SegInterface(segmgr, mobj, segId, MEM_OBJ_SYS_STRINGS) {}
};
+//-------------------- string frags --------------------
+class SegInterfaceStringFrag : public SegInterface {
+public:
+ SegInterfaceStringFrag(SegManager *segmgr, MemObject *mobj, SegmentId segId) :
+ SegInterface(segmgr, mobj, segId, MEM_OBJ_STRING_FRAG) {}
+};
+
//-------------------- lists --------------------
class SegInterfaceLists : public SegInterface {
@@ -1806,6 +1821,9 @@ SegInterface *SegManager::getSegInterface(SegmentId segid) {
case MEM_OBJ_DYNMEM:
retval = new SegInterfaceDynMem(this, mobj, segid);
break;
+ case MEM_OBJ_STRING_FRAG:
+ retval = new SegInterfaceStringFrag(this, mobj, segid);
+ break;
case MEM_OBJ_RESERVED:
retval = new SegInterfaceReserved(this, mobj, segid);
break;
diff --git a/engines/sci/engine/seg_manager.h b/engines/sci/engine/seg_manager.h
index 1a4f9c53c6..12d2ec72be 100644
--- a/engines/sci/engine/seg_manager.h
+++ b/engines/sci/engine/seg_manager.h
@@ -304,6 +304,14 @@ public:
SystemStrings *allocateSysStrings(SegmentId *segid);
+ // 5. System Strings
+
+ // Allocates a string fragments segment
+ // Returns : (SegmentId): Segment ID to use for string fragments
+ // See also stringfrag.h
+ SegmentId allocateStringFrags();
+
+
// 6, 7. Lists and Nodes
// Allocate a fresh list
diff --git a/engines/sci/engine/state.cpp b/engines/sci/engine/state.cpp
index 0c7cbd8411..383a0c4264 100644
--- a/engines/sci/engine/state.cpp
+++ b/engines/sci/engine/state.cpp
@@ -137,6 +137,8 @@ EngineState::EngineState() : _dirseeker(this) {
script_000_segment = 0;
script_000 = 0;
+ string_frag_segment = 0;
+
parser_lastmatch_word = 0;
bp_list = 0;
have_bp = 0;
diff --git a/engines/sci/engine/state.h b/engines/sci/engine/state.h
index a8c1e08d24..a9471d767e 100644
--- a/engines/sci/engine/state.h
+++ b/engines/sci/engine/state.h
@@ -251,6 +251,8 @@ struct EngineState {
SegmentId sys_strings_segment;
SystemStrings *sys_strings;
+ SegmentId string_frag_segment;
+
/* Parser data: */
word_t **parser_words;
int parser_words_nr;
diff --git a/engines/sci/engine/vm.h b/engines/sci/engine/vm.h
index 8b45f5770b..164f17c757 100644
--- a/engines/sci/engine/vm.h
+++ b/engines/sci/engine/vm.h
@@ -48,7 +48,7 @@ enum {
struct SystemString {
char *name;
int max_size;
- char *value;
+ reg_t *value;
};
struct SystemStrings {
@@ -284,7 +284,8 @@ enum memObjType {
MEM_OBJ_NODES = 7,
MEM_OBJ_HUNK = 8,
MEM_OBJ_DYNMEM = 9,
- MEM_OBJ_RESERVED = 10,
+ MEM_OBJ_STRING_FRAG = 10,
+ MEM_OBJ_RESERVED = 11,
MEM_OBJ_MAX = MEM_OBJ_RESERVED // For sanity checking
};
diff --git a/engines/sci/module.mk b/engines/sci/module.mk
index a2a88c5763..20d4b10e47 100644
--- a/engines/sci/module.mk
+++ b/engines/sci/module.mk
@@ -32,6 +32,7 @@ MODULE_OBJS = \
engine/scriptconsole.o \
engine/scriptdebug.o \
engine/seg_manager.o \
+ engine/stringfrag.o \
engine/state.o \
engine/vm.o \
gfx/font.o \