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authorrubidium <rubidium@openttd.org>2010-07-31 14:40:50 +0000
committerrubidium <rubidium@openttd.org>2010-07-31 14:40:50 +0000
commitac280af8bc75f89223238a77f871b1a610014219 (patch)
treef11e8dde3c5e08a29824a11429eb573a3373302a
parent5a2862814ac310e5e4629e0242def8ebf3a6da1c (diff)
downloadopenttd-ac280af8bc75f89223238a77f871b1a610014219.tar.xz
(svn r20259) -Add: allow NewGRFs to specify their version and use that to hide old NewGRFs / to choose the newest when loading compatible NewGRFs
-rw-r--r--src/lang/english.txt1
-rw-r--r--src/newgrf.cpp15
-rw-r--r--src/newgrf_config.cpp8
-rw-r--r--src/newgrf_config.h1
-rw-r--r--src/newgrf_gui.cpp35
-rw-r--r--src/settings_type.h1
-rw-r--r--src/table/settings.h1
7 files changed, 55 insertions, 7 deletions
diff --git a/src/lang/english.txt b/src/lang/english.txt
index d31c19a81..4a8c00adf 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -2373,6 +2373,7 @@ STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP :{BLACK}Check wh
STR_NEWGRF_SETTINGS_FILENAME :{BLACK}Filename: {SILVER}{RAW_STRING}
STR_NEWGRF_SETTINGS_GRF_ID :{BLACK}GRF ID: {SILVER}{RAW_STRING}
+STR_NEWGRF_SETTINGS_VERSION :{BLACK}Version: {SILVER}{NUM}
STR_NEWGRF_SETTINGS_MD5SUM :{BLACK}MD5sum: {SILVER}{RAW_STRING}
STR_NEWGRF_SETTINGS_PALETTE :{BLACK}Palette: {SILVER}{RAW_STRING}
STR_NEWGRF_SETTINGS_PARAMETER :{BLACK}Parameters: {SILVER}{STRING1}
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index bb5f63660..bd4c913e2 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -4869,7 +4869,7 @@ static void GRFInfo(ByteReader *buf)
_cur_grfconfig->status = _cur_stage < GLS_RESERVE ? GCS_INITIALISED : GCS_ACTIVATED;
/* Do swap the GRFID for displaying purposes since people expect that */
- DEBUG(grf, 1, "GRFInfo: Loaded GRFv%d set %08X - %s (palette: %s)", version, BSWAP32(grfid), name, (_cur_grfconfig->palette & GRFP_USE_MASK) ? "Windows" : "DOS");
+ DEBUG(grf, 1, "GRFInfo: Loaded GRFv%d set %08X - %s (palette: %s, version: %i)", version, BSWAP32(grfid), name, (_cur_grfconfig->palette & GRFP_USE_MASK) ? "Windows" : "DOS", _cur_grfconfig->version);
}
/* Action 0x0A */
@@ -5952,6 +5952,18 @@ static bool ChangeGRFPalette(size_t len, ByteReader *buf)
return true;
}
+/** Callback function for 'INFO'->'VRSN' to the version of the NewGRF. */
+static bool ChangeGRFVersion(size_t len, ByteReader *buf)
+{
+ if (len != 4) {
+ grfmsg(2, "StaticGRFInfo: expected 4 bytes for 'INFO'->'VRSN' but got " PRINTF_SIZE ", ignoring this field", len);
+ buf->Skip(len);
+ } else {
+ _cur_grfconfig->version = buf->ReadDWord();
+ }
+ return true;
+}
+
static GRFParameterInfo *_cur_parameter; ///< The parameter which info is currently changed by the newgrf.
@@ -6190,6 +6202,7 @@ AllowedSubtags _tags_info[] = {
AllowedSubtags('DESC', ChangeGRFDescription),
AllowedSubtags('NPAR', ChangeGRFNumUsedParams),
AllowedSubtags('PALS', ChangeGRFPalette),
+ AllowedSubtags('VRSN', ChangeGRFVersion),
AllowedSubtags('PARA', HandleParameterInfo),
AllowedSubtags()
};
diff --git a/src/newgrf_config.cpp b/src/newgrf_config.cpp
index 41be0c1c0..f993accb4 100644
--- a/src/newgrf_config.cpp
+++ b/src/newgrf_config.cpp
@@ -39,6 +39,7 @@ GRFConfig::GRFConfig(const char *filename) :
*/
GRFConfig::GRFConfig(const GRFConfig &config) :
ident(config.ident),
+ version(config.version),
flags(config.flags & ~GCF_COPY),
status(config.status),
grf_bugs(config.grf_bugs),
@@ -579,11 +580,14 @@ void ScanNewGRFFiles()
*/
const GRFConfig *FindGRFConfig(uint32 grfid, const uint8 *md5sum)
{
+ const GRFConfig *best = NULL;
for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
- if (c->ident.HasGrfIdentifier(grfid, md5sum)) return c;
+ if (!c->ident.HasGrfIdentifier(grfid, md5sum)) continue;
+ if (md5sum != NULL) return c;
+ if (best == NULL || c->version > best->version) best = c;
}
- return NULL;
+ return best;
}
#ifdef ENABLE_NETWORK
diff --git a/src/newgrf_config.h b/src/newgrf_config.h
index fe5e8c9c4..34e21808e 100644
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -139,6 +139,7 @@ struct GRFConfig : ZeroedMemoryAllocator {
struct GRFText *info; ///< NOSAVE: GRF info (author, copyright, ...) (Action 0x08)
GRFError *error; ///< NOSAVE: Error/Warning during GRF loading (Action 0x0B)
+ uint32 version; ///< NOSAVE: Version a NewGRF can set so only the newest NewGRF is shown
uint8 flags; ///< NOSAVE: GCF_Flags, bitset
GRFStatus status; ///< NOSAVE: GRFStatus, enum
uint32 grf_bugs; ///< NOSAVE: bugs in this GRF in this run, @see enum GRFBugs
diff --git a/src/newgrf_gui.cpp b/src/newgrf_gui.cpp
index bc6e32f7d..53f9f1650 100644
--- a/src/newgrf_gui.cpp
+++ b/src/newgrf_gui.cpp
@@ -15,6 +15,7 @@
#include "strings_func.h"
#include "window_func.h"
#include "gamelog.h"
+#include "settings_type.h"
#include "settings_func.h"
#include "widgets/dropdown_type.h"
#include "network/network.h"
@@ -80,6 +81,11 @@ static void ShowNewGRFInfo(const GRFConfig *c, uint x, uint y, uint right, uint
SetDParamStr(0, buff);
y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_GRF_ID);
+ if (c->version != 0) {
+ SetDParam(0, c->version);
+ y = DrawStringMultiLine(x, right, y, bottom, STR_NEWGRF_SETTINGS_VERSION);
+ }
+
/* Prepare and draw MD5 sum */
md5sumToString(buff, lastof(buff), c->ident.md5sum);
SetDParamStr(0, buff);
@@ -617,8 +623,7 @@ struct NewGRFWindow : public QueryStringBaseWindow {
uint min_index = this->vscroll2.GetPosition();
uint max_index = min(min_index + this->vscroll2.GetCapacity(), this->avails.Length());
- for (uint i = min_index; i < max_index; i++)
- {
+ for (uint i = min_index; i < max_index; i++) {
const GRFConfig *c = this->avails[i];
bool h = (c == this->avail_sel);
const char *text = c->GetName();
@@ -1072,7 +1077,13 @@ private:
/** Sort grfs by name. */
static int CDECL NameSorter(const GRFConfig * const *a, const GRFConfig * const *b)
{
- return strcasecmp((*a)->GetName(), (*b)->GetName());
+ int i = strcasecmp((*a)->GetName(), (*b)->GetName());
+ if (i != 0) return i;
+
+ i = (*a)->version - (*b)->version;
+ if (i != 0) return i;
+
+ return memcmp((*a)->ident.md5sum, (*b)->ident.md5sum, lengthof((*b)->ident.md5sum));
}
/** Filter grfs by tags/name */
@@ -1093,7 +1104,23 @@ private:
for (const GRFConfig *c = _all_grfs; c != NULL; c = c->next) {
bool found = false;
for (const GRFConfig *grf = this->actives; grf != NULL && !found; grf = grf->next) found = grf->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum);
- if (!found) *this->avails.Append() = c;
+ if (found) continue;
+
+ if (_settings_client.gui.newgrf_show_old_versions) {
+ *this->avails.Append() = c;
+ } else {
+ const GRFConfig *best = FindGRFConfig(c->ident.grfid, NULL);
+ /*
+ * If the best version is 0, then all NewGRF with this GRF ID
+ * have version 0, so for backward compatability reasons we
+ * want to show them all.
+ * If we are the best version, then we definitely want to
+ * show that NewGRF!.
+ */
+ if (best->version == 0 || best->ident.HasGrfIdentifier(c->ident.grfid, c->ident.md5sum)) {
+ *this->avails.Append() = c;
+ }
+ }
}
this->avails.Filter(this->edit_str_buf);
diff --git a/src/settings_type.h b/src/settings_type.h
index c2d999cad..8e3b61db8 100644
--- a/src/settings_type.h
+++ b/src/settings_type.h
@@ -111,6 +111,7 @@ struct GUISettings {
bool show_date_in_logs; ///< whether to show dates in console logs
bool newgrf_developer_tools; ///< activate NewGRF developer tools
bool ai_developer_tools; ///< activate AI developer tools
+ bool newgrf_show_old_versions; ///< whether to show old versions in the NewGRF list
};
/** Settings related to currency/unit systems. */
diff --git a/src/table/settings.h b/src/table/settings.h
index dbfc87ce0..255c7055e 100644
--- a/src/table/settings.h
+++ b/src/table/settings.h
@@ -611,6 +611,7 @@ const SettingDesc _settings[] = {
SDTC_VAR(gui.developer, SLE_UINT8, S, 0, 1, 0, 2, 0, STR_NULL, NULL),
SDTC_BOOL(gui.newgrf_developer_tools, S, 0, false, STR_NULL, ReinitWindows),
SDTC_BOOL(gui.ai_developer_tools, S, 0, false, STR_NULL, NULL),
+ SDTC_BOOL(gui.newgrf_show_old_versions, S, 0, false, STR_NULL, NULL),
SDTC_VAR(gui.console_backlog_timeout, SLE_UINT16, S, 0, 100, 10, 65500, 0, STR_NULL, NULL),
SDTC_VAR(gui.console_backlog_length, SLE_UINT16, S, 0, 100, 10, 65500, 0, STR_NULL, NULL),
#ifdef ENABLE_NETWORK