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Code Issues

(svn r20957) -Codechange: Add another parameter to FindGRFConfig() to define search restrictions.

release/1.1
frosch 2010-10-17 12:12:13 +00:00
parent 918da8432a
commit 3972c790c2
9 changed files with 30 additions and 17 deletions
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6
src/gamelog.cpp
View File

@ -126,7 +126,7 @@ static void PrintGrfInfo(char *buf, uint grfid, const uint8 *md5sum, const GRFCo
if (gc != NULL) {
AddDebugText(buf, ", filename: %s (md5sum matches)", gc->filename);
} else {
gc = FindGRFConfig(grfid);
gc = FindGRFConfig(grfid, FGCM_ANY);
if (gc != NULL) {
AddDebugText(buf, ", filename: %s (matches GRFID only)", gc->filename);
} else {
@ -245,7 +245,7 @@ void GamelogPrint(GamelogPrintProc *proc)
break;
case GLCT_GRFADD: {
const GRFConfig *gc = FindGRFConfig(lc->grfadd.grfid, lc->grfadd.md5sum);
const GRFConfig *gc = FindGRFConfig(lc->grfadd.grfid, FGCM_EXACT, lc->grfadd.md5sum);
AddDebugText(buf, "Added NewGRF: ");
PrintGrfInfo(buf, lc->grfadd.grfid, lc->grfadd.md5sum, gc);
GrfIDMapping::Pair *gm = grf_names.Find(lc->grfrem.grfid);
@ -272,7 +272,7 @@ void GamelogPrint(GamelogPrintProc *proc)
}
case GLCT_GRFCOMPAT: {
const GRFConfig *gc = FindGRFConfig(lc->grfadd.grfid, lc->grfadd.md5sum);
const GRFConfig *gc = FindGRFConfig(lc->grfadd.grfid, FGCM_EXACT, lc->grfadd.md5sum);
AddDebugText(buf, "Compatible NewGRF loaded: ");
PrintGrfInfo(buf, lc->grfcompat.grfid, lc->grfcompat.md5sum, gc);
if (!grf_names.Contains(lc->grfcompat.grfid)) AddDebugText(buf, ". Gamelog inconsistency: GrfID was never added!");

2
src/network/network_client.cpp
View File

@ -690,7 +690,7 @@ DEF_GAME_RECEIVE_COMMAND(Client, PACKET_SERVER_CHECK_NEWGRFS)
this->Recv_GRFIdentifier(p, &c);
/* Check whether we know this GRF */
const GRFConfig *f = FindGRFConfig(c.grfid, c.md5sum);
const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
if (f == NULL) {
/* We do not know this GRF, bail out of initialization */
char buf[sizeof(c.md5sum) * 2 + 1];

2
src/network/network_content.cpp
View File

@ -32,7 +32,7 @@ ClientNetworkContentSocketHandler _network_content_client;
/** Wrapper function for the HasProc */
static bool HasGRFConfig(const ContentInfo *ci, bool md5sum)
{
return FindGRFConfig(BSWAP32(ci->unique_id), md5sum ? ci->md5sum : NULL) != NULL;
return FindGRFConfig(BSWAP32(ci->unique_id), md5sum ? FGCM_EXACT : FGCM_ANY, md5sum ? ci->md5sum : NULL) != NULL;
}
/**

2
src/network/network_gamelist.cpp
View File

@ -176,7 +176,7 @@ void NetworkAfterNewGRFScan()
for (GRFConfig *c = item->info.grfconfig; c != NULL; c = c->next) {
assert(HasBit(c->flags, GCF_COPY));
const GRFConfig *f = FindGRFConfig(c->ident.grfid, c->ident.md5sum);
const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
if (f == NULL) {
/* Don't know the GRF, so mark game incompatible and the (possibly)
* already resolved name for this GRF (another server has sent the

2
src/network/network_gui.cpp
View File

@ -805,7 +805,7 @@ public:
for (GRFConfig *c = item->info.grfconfig; c != NULL; c = c->next) {
if (c->status != GCS_NOT_FOUND) continue;
const GRFConfig *f = FindGRFConfig(c->ident.grfid, c->ident.md5sum);
const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
if (f == NULL) {
missing_grfs = true;
continue;

4
src/network/network_udp.cpp
View File

@ -182,7 +182,7 @@ DEF_UDP_RECEIVE_COMMAND(Server, PACKET_UDP_CLIENT_GET_NEWGRFS)
this->Recv_GRFIdentifier(p, &c);
/* Find the matching GRF file */
f = FindGRFConfig(c.grfid, c.md5sum);
f = FindGRFConfig(c.grfid, FGCM_EXACT, c.md5sum);
if (f == NULL) continue; // The GRF is unknown to this server
/* If the reply might exceed the size of the packet, only reply
@ -362,7 +362,7 @@ DEF_UDP_RECEIVE_COMMAND(Client, PACKET_UDP_SERVER_NEWGRFS)
void ClientNetworkUDPSocketHandler::HandleIncomingNetworkGameInfoGRFConfig(GRFConfig *config)
{
/* Find the matching GRF file */
const GRFConfig *f = FindGRFConfig(config->ident.grfid, config->ident.md5sum);
const GRFConfig *f = FindGRFConfig(config->ident.grfid, FGCM_EXACT, config->ident.md5sum);
if (f == NULL) {
/* Don't know the GRF, so mark game incompatible and the (possibly)
* already resolved name for this GRF (another server has sent the

15
src/newgrf_config.cpp
View File

@ -442,13 +442,13 @@ GRFListCompatibility IsGoodGRFConfigList(GRFConfig *grfconfig)
GRFListCompatibility res = GLC_ALL_GOOD;
for (GRFConfig *c = grfconfig; c != NULL; c = c->next) {
const GRFConfig *f = FindGRFConfig(c->ident.grfid, c->ident.md5sum);
const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, c->ident.md5sum);
if (f == NULL) {
char buf[256];
/* If we have not found the exactly matching GRF try to find one with the
* same grfid, as it most likely is compatible */
f = FindGRFConfig(c->ident.grfid);
f = FindGRFConfig(c->ident.grfid, FGCM_COMPATIBLE);
if (f != NULL) {
md5sumToString(buf, lastof(buf), c->ident.md5sum);
DEBUG(grf, 1, "NewGRF %08X (%s) not found; checksum %s. Compatibility mode on", BSWAP32(c->ident.grfid), c->filename, buf);
@ -614,15 +614,20 @@ void ScanNewGRFFiles()
/**
* Find a NewGRF in the scanned list.
* @param grfid GRFID to look for,
* @param md5sum Expected MD5 sum (set to \c NULL if not relevant).
* @param mode Restrictions for matching grfs
* @param md5sum Expected MD5 sum
* @return The matching grf, if it exists in #_all_grfs, else \c NULL.
*/
const GRFConfig *FindGRFConfig(uint32 grfid, const uint8 *md5sum)
const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 *md5sum)
{
assert((mode == FGCM_EXACT) != (md5sum == NULL));
const GRFConfig *best = NULL;
for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
/* if md5sum is set, we look for an exact match and continue if not found */
if (!c->ident.HasGrfIdentifier(grfid, md5sum)) continue;
if (md5sum != NULL) return c;
/* 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;
/* remember the newest one as "the best" */
if (best == NULL || c->version > best->version) best = c;
}

10
src/newgrf_config.h
View File

@ -164,6 +164,14 @@ struct GRFConfig : ZeroedMemoryAllocator {
void SetSuitablePalette();
};
/** Method to find GRFs using FindGRFConfig */
enum FindGRFConfigMode {
FGCM_EXACT, ///< Only find Grfs matching md5sum
FGCM_COMPATIBLE, ///< Find best compatible
FGCM_NEWEST, ///< Find newest Grf
FGCM_ANY, ///< Use first found
};
extern GRFConfig *_all_grfs; ///< First item in list of all scanned NewGRFs
extern GRFConfig *_grfconfig; ///< First item in list of current GRF set up
extern GRFConfig *_grfconfig_newgame; ///< First item in list of default GRF set up
@ -171,7 +179,7 @@ extern GRFConfig *_grfconfig_static; ///< First item in list of static GRF set
void ScanNewGRFFiles();
void CheckForMissingSprites();
const GRFConfig *FindGRFConfig(uint32 grfid, const uint8 *md5sum = NULL);
const GRFConfig *FindGRFConfig(uint32 grfid, FindGRFConfigMode mode, const uint8 *md5sum = NULL);
GRFConfig *GetGRFConfig(uint32 grfid, uint32 mask = 0xFFFFFFFF);
GRFConfig **CopyGRFConfigList(GRFConfig **dst, const GRFConfig *src, bool init_only);
void AppendStaticGRFConfigs(GRFConfig **dst);

4
src/newgrf_gui.cpp
View File

@ -1035,7 +1035,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
bool compatible = HasBit(c->flags, GCF_COMPATIBLE);
if (c->status != GCS_NOT_FOUND && !compatible) continue;
const GRFConfig *f = FindGRFConfig(c->ident.grfid, compatible ? c->original_md5sum : c->ident.md5sum);
const GRFConfig *f = FindGRFConfig(c->ident.grfid, FGCM_EXACT, compatible ? c->original_md5sum : c->ident.md5sum);
if (f == NULL) continue;
*l = new GRFConfig(*f);
@ -1211,7 +1211,7 @@ private:
if (_settings_client.gui.newgrf_show_old_versions) {
*this->avails.Append() = c;
} else {
const GRFConfig *best = FindGRFConfig(c->ident.grfid, NULL);
const GRFConfig *best = FindGRFConfig(c->ident.grfid, FGCM_NEWEST);
/*
* If the best version is 0, then all NewGRF with this GRF ID
* have version 0, so for backward compatability reasons we