From 14b6860e6212d2dec46c135a8d3c04fb3905f596 Mon Sep 17 00:00:00 2001
From: peter1138 <peter1138@openttd.org>
Date: Sun, 23 Apr 2006 15:57:34 +0000
Subject: (svn r4546) - NewGRF: add support for Action 0x05, type 0x04:
 replacement signal graphics. Thanks to Purno for supplying data to test with.

---
 newgrf.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'newgrf.c')

diff --git a/newgrf.c b/newgrf.c
index 5dace18e7..af3f62869 100644
--- a/newgrf.c
+++ b/newgrf.c
@@ -38,6 +38,7 @@ uint16 _custom_sprites_base;
 static int _skip_sprites; // XXX
 static uint _file_index; // XXX
 extern int _traininfo_vehicle_pitch;
+SpriteID _signal_base = 0;
 
 static GRFFile *_cur_grffile;
 GRFFile *_first_grffile;
@@ -1823,8 +1824,27 @@ static void GraphicsNew(byte *buf, int len)
 	type = grf_load_byte(&buf);
 	num  = grf_load_extended(&buf);
 
-	grfmsg(GMS_NOTICE, "GraphicsNew: Custom graphics (type 0x%02X) sprite block of length %d (unimplemented, ignoring).\n",
-	       type, num);
+	switch (type) {
+		case 0x04: /* Signal graphics */
+			if (num != 112 && num != 240) {
+				grfmsg(GMS_WARN, "GraphicsNews: Signal graphics sprite count must be 112 or 240, skipping.");
+				return;
+			}
+			_signal_base = _cur_spriteid;
+			break;
+
+		default:
+			grfmsg(GMS_NOTICE, "GraphicsNew: Custom graphics (type 0x%02X) sprite block of length %u (unimplemented, ignoring).\n",
+					type, num);
+			return;
+	}
+
+	grfmsg(GMS_NOTICE, "GraphicsNew: Loading %u sprites of type 0x%02X at SpriteID 0x%04X", num, type, _cur_spriteid);
+
+	for (; num > 0; num--) {
+		LoadNextSprite(_cur_spriteid++, _file_index);
+		_nfo_line++;
+	}
 }
 
 /* Action 0x06 */
-- 
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