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authorfrosch <frosch@openttd.org>2011-01-15 21:13:47 +0000
committerfrosch <frosch@openttd.org>2011-01-15 21:13:47 +0000
commit6e4dd5615878c658cf687a73dc1990f9e903df86 (patch)
tree29eddd4bfb56a83ab7ba2e131372d79535fb8b79 /src
parent4d8a93c870428d8cdffad9a453aef91a1365f97e (diff)
downloadopenttd-6e4dd5615878c658cf687a73dc1990f9e903df86.tar.xz
(svn r21814) -Fix/Add: Check GRF version from action 8, and disallow usage of GRFs with versions above 7.
Diffstat (limited to 'src')
-rw-r--r--src/lang/english.txt1
-rw-r--r--src/newgrf.cpp12
-rw-r--r--src/newgrf_config.cpp4
-rw-r--r--src/newgrf_config.h3
-rw-r--r--src/newgrf_gui.cpp9
-rw-r--r--src/settings.cpp4
6 files changed, 23 insertions, 10 deletions
diff --git a/src/lang/english.txt b/src/lang/english.txt
index 3580753b5..98a2e7ef3 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2425,6 +2425,7 @@ STR_NEWGRF_SETTINGS_PARAMETER :{BLACK}Paramete
STR_NEWGRF_SETTINGS_NO_INFO :{BLACK}No information available
STR_NEWGRF_SETTINGS_NOT_FOUND :{RED}Matching file not found
STR_NEWGRF_SETTINGS_DISABLED :{RED}Disabled
+STR_NEWGRF_SETTINGS_INCOMPATIBLE :{RED}Incompatible with this version of OpenTTD
STR_NEWGRF_SETTINGS_PARAMETER_QUERY :{BLACK}Enter NewGRF parameters
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 4fb8fa78e..4a4f55213 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -5313,15 +5313,21 @@ static void SkipIf(ByteReader *buf)
/* Action 0x08 (GLS_FILESCAN) */
static void ScanInfo(ByteReader *buf)
{
- buf->ReadByte();
- uint32 grfid = buf->ReadDWord();
+ uint8 grf_version = buf->ReadByte();
+ uint32 grfid = buf->ReadDWord();
+ const char *name = buf->ReadString();
_cur_grfconfig->ident.grfid = grfid;
+ /* TODO We are incompatible to grf_version < 2 as well, but due to broken GRFs out there, we accept these till the next stable */
+ if (/*grf_version < 2 || */grf_version > 7) {
+ SetBit(_cur_grfconfig->flags, GCF_INVALID);
+ DEBUG(grf, 0, "%s: NewGRF \"%s\" (GRFID %08X) uses GRF version %d, which is incompatible with this version of OpenTTD.", _cur_grfconfig->filename, name, BSWAP32(grfid), grf_version);
+ }
+
/* GRF IDs starting with 0xFF are reserved for internal TTDPatch use */
if (GB(grfid, 24, 8) == 0xFF) SetBit(_cur_grfconfig->flags, GCF_SYSTEM);
- const char *name = buf->ReadString();
AddGRFTextToList(&_cur_grfconfig->name, 0x7F, grfid, name);
if (buf->HasData()) {
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index e7be72fab..aed73655c 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -444,7 +444,7 @@ GRFListCompatibility IsGoodGRFConfigList(GRFConfig *grfconfig)
for (GRFConfig *c = grfconfig; c != NULL; c = c->next) {
const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
- if (f == NULL) {
+ if (f == NULL || HasBit(f->flags, GCF_INVALID)) {
char buf[256];
/* If we have not found the exactly matching GRF try to find one with the
@@ -630,6 +630,8 @@ const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8
if (!c->ident.HasGrfIdentifier(grfid, md5sum)) continue;
/* return it, if the exact same newgrf is found, or if we do not care about finding "the best" */
if (md5sum != NULL || mode == FGCM_ANY) return c;
+ /* Skip incompatible stuff, unless explicitly allowed */
+ if (mode != FGCM_NEWEST && HasBit(c->flags, GCF_INVALID)) continue;
/* check version compatibility */
if (mode == FGCM_COMPATIBLE && (c->version < desired_version || c->min_loadable_version > desired_version)) continue;
/* remember the newest one as "the best" */
diff --git a/src/newgrf_config.h b/src/newgrf_config.h
index 54d51e05e..f6c97c42c 100644
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -25,7 +25,7 @@ enum GCF_Flags {
GCF_COPY, ///< The data is copied from a grf in _all_grfs
GCF_INIT_ONLY, ///< GRF file is processed up to GLS_INIT
GCF_RESERVED, ///< GRF file passed GLS_RESERVE stage
-
+ GCF_INVALID, ///< GRF is unusable with this version of OpenTTD
};
/** Status of GRF */
@@ -170,6 +170,7 @@ enum FindGRFConfigMode {
FGCM_EXACT, ///< Only find Grfs matching md5sum
FGCM_COMPATIBLE, ///< Find best compatible Grf wrt. desired_version
FGCM_NEWEST, ///< Find newest Grf
+ FGCM_NEWEST_VALID,///< Find newest Grf, ignoring Grfs with GCF_INVALID set
FGCM_ANY, ///< Use first found
};
diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index 913a8ff29..2034ae6ab 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -115,6 +115,7 @@ static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint
/* Show flags */
if (c->status == GCS_NOT_FOUND) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_NOT_FOUND);
if (c->status == GCS_DISABLED) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_DISABLED);
+ if (HasBit(c->flags, GCF_INVALID)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_INCOMPATIBLE);
if (HasBit(c->flags, GCF_COMPATIBLE)) y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_COMPATIBLE_LOADED);
/* Draw GRF info if it exists */
@@ -888,7 +889,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
}
case SNGRFS_ADD: {
- if (this->avail_sel == NULL || !this->editable) break;
+ if (this->avail_sel == NULL || !this->editable || HasBit(this->avail_sel->flags, GCF_INVALID)) break;
GRFConfig **list;
/* Find last entry in the list, checking for duplicate grfid on the way */
@@ -1047,7 +1048,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
if (c->status != GCS_NOT_FOUND && !compatible) continue;
const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
- if (f == NULL) continue;
+ if (f == NULL || HasBit(f->flags, GCF_INVALID)) continue;
*l = new GRFConfig(*f);
(*l)->next = c->next;
@@ -1084,7 +1085,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
SNGRFS_TOGGLE_PALETTE,
WIDGET_LIST_END
);
- this->SetWidgetDisabledState(SNGRFS_ADD, !this->editable || this->avail_sel == NULL);
+ this->SetWidgetDisabledState(SNGRFS_ADD, !this->editable || this->avail_sel == NULL || HasBit(this->avail_sel->flags, GCF_INVALID));
bool disable_all = this->active_sel == NULL || !this->editable;
this->SetWidgetsDisabledState(disable_all,
@@ -1233,7 +1234,7 @@ private:
if (_settings_client.gui.newgrf_show_old_versions) {
*this->avails.Append() = c;
} else {
- const GRFConfig *best = FindGRFConfig(c->ident.grfid, FGCM_NEWEST);
+ const GRFConfig *best = FindGRFConfig(c->ident.grfid, HasBit(c->flags, GCF_INVALID) ? FGCM_NEWEST : FGCM_NEWEST_VALID);
/*
* If the best version is 0, then all NewGRF with this GRF ID
* have version 0, so for backward compatability reasons we
diff --git a/src/settings.cpp b/src/settings.cpp
index 1ba1d3b5c..fde955990 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1352,7 +1352,7 @@ static GRFConfig *GRFLoadConfig(IniFile *ini, const char *grpname, bool is_stati
}
/* Check if item is valid */
- if (!FillGRFDetails(c, is_static)) {
+ if (!FillGRFDetails(c, is_static) || HasBit(c->flags, GCF_INVALID)) {
const char *msg;
if (c->status == GCS_NOT_FOUND) {
@@ -1361,6 +1361,8 @@ static GRFConfig *GRFLoadConfig(IniFile *ini, const char *grpname, bool is_stati
msg = "unsafe for static use";
} else if (HasBit(c->flags, GCF_SYSTEM)) {
msg = "system NewGRF";
+ } else if (HasBit(c->flags, GCF_INVALID)) {
+ msg = "incompatible to this version of OpenTTD";
} else {
msg = "unknown";
}