(svn r27730) -Change: Split openttd.grf into openttd.grf and orig_extra.grf

openttd.grf is now always loaded and provides all extra graphics in case the (possibly outdated) baseset does not.
  orig_extra.grf contains graphics specific to the original baseset only.

media/extra_grf/openttd.nfo

@@ -60,10 +60,11 @@
              00
 
 // GRF ID, must start with FF so it gets ignored
-   -1 * 0	 08 08 FF "OTT"
+//@@WARNING DISABLE 101
+   -1 * 0	 08 08 FF FF FF FE
 
 // Name of the GRF
-             "OpenTTD's base graphics " 00
+             "OpenTTD's default and fallback extra graphics" 00
 
 // Description of the GRF.
              "License: GNU General Public License version 2" 0D
@@ -86,7 +87,6 @@
 #include "canals.nfo"
 #include "oneway.nfo"
 #include "tramtracks.nfo"
-#include "shore.nfo"
 #include "sloped_tracks.nfo"
 #include "airports.nfo"
 #include "roadstops.nfo"
@@ -97,11 +97,5 @@
 #include "airport_preview.nfo"
 #include "chars.nfo"
 #include "mono.nfo"
-#include "fix_graphics.nfo"
-#include "rivers/rapids.nfo"
-#include "rivers/temperate.nfo"
-#include "rivers/arctic.nfo"
-#include "rivers/tropic.nfo"
-#include "rivers/toyland.nfo"
 #include "tunnel_portals.nfo"
 #include "palette.nfo"

media/extra_grf/orig_extra.nfo

@@ -0,0 +1,84 @@
+// Automatically generated by GRFCODEC. Do not modify!
+// (Info version 32)
+// Format: spritenum imagefile depth xpos ypos xsize ysize xrel yrel zoom flags
+//
+// $Id$
+//
+// This file is part of OpenTTD.
+// OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+// OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+//
+// Sources for extra graphics to complement the original graphics.
+// Checks whether the correct version of OpenTTD is used before
+// allowing it to be used.
+//
+
+//
+// Number of sprites, it is wrong, but GRFcodec automagically gets it right.
+//
+    0 * 4	 00 00 00 00
+
+
+//
+// Check whether we are running OTTD or not.
+//
+   -1 * 0	 07 9D 04 \7= 01 00 00 00 01
+   -1 * 0	 0B 03 7F FF 80 " is not for TTDPatch. Use ttdpatch(w).grf." 00
+
+
+//
+// Check for OTTD's version number
+//
+
+// First step... Variable A1 might not exist. If that's the case it always
+// skips. As we do not want to skip out of the whole testing, we skip over
+// the real version check.
+   -1 * 0	 07 A1 04 \7= FF FF FF FF 02
+
+// Real version check.
+   -1 * 0	 07 A1 04 \7> \w20304 01 01 03
+
+// If the version check is supported, the string is translateable via OpenTTD
+// itself. Use it!.
+
+   -1 * 0	 0B 03 7F 06 "1.1 (or trunk r20304)" 00
+
+// Some OTTD versions before r11130 did support Action B, so use the English
+// phrase there
+   -1 * 0	 0B 03 7F FF "Requires OpenTTD version 1.1 (or trunk r20304) or better." 00
+
+// Final fallback. No Action B support, just skip to the end of the file.
+   -1 * 0	 07 A1 04 \7= FF FF FF FF 00
+
+// We are a DOS paletted NewGRF, so tell OpenTTD that. Then it can actually
+// do the right thing. Yay for that feature as that means no duplicate NewGRF!
+   -1 * 0	 14
+             "C" "INFO"
+                 "B" "PALS" \w1 "D"
+                 00
+             00
+
+// GRF ID, must start with FF so it gets ignored
+//@@WARNING DISABLE 101
+   -1 * 0	 08 08 FF "OTT"
+
+// Name of the GRF
+             "Original baseset extra graphics" 00
+
+// Description of the GRF.
+             "License: GNU General Public License version 2" 0D
+             "Andrew Parkhouse: rivers" 0D
+             "Addi and PaulC: original graphics fixes" 0D
+             "OpenTTD developers: other graphics" 00
+
+//
+// The real data of the GRF is acquired from several subfiles.
+//
+#include "shore.nfo"
+#include "fix_graphics.nfo"
+#include "rivers/rapids.nfo"
+#include "rivers/temperate.nfo"
+#include "rivers/arctic.nfo"
+#include "rivers/tropic.nfo"
+#include "rivers/toyland.nfo"