From: Holger Schemel <info@artsoft.org>
Date: Thu, 10 Sep 2020 18:09:55 +0000 (+0200)
Subject: added support for tape property bits (not used yet)
X-Git-Tag: 4.2.0.3~56
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=679bbca8;p=rocksndiamonds.git

added support for tape property bits (not used yet)
---

diff --git a/graphics/gfx_classic/RocksIcon32x32.png b/graphics/gfx_classic/RocksIcon32x32.png
deleted file mode 100644
index dcd51125..00000000
Binary files a/graphics/gfx_classic/RocksIcon32x32.png and /dev/null differ
diff --git a/src/files.c b/src/files.c
index ba5b8f58..283ebf0f 100644
--- a/src/files.c
+++ b/src/files.c
@@ -58,7 +58,7 @@
 
 #define TAPE_CHUNK_VERS_SIZE	8	// size of file version chunk
 #define TAPE_CHUNK_HEAD_SIZE	20	// size of tape file header
-#define TAPE_CHUNK_HEAD_UNUSED	2	// unused tape header bytes
+#define TAPE_CHUNK_HEAD_UNUSED	1	// unused tape header bytes
 
 #define LEVEL_CHUNK_CNT3_SIZE(x)	 (LEVEL_CHUNK_CNT3_HEADER + (x))
 #define LEVEL_CHUNK_CUS3_SIZE(x)	 (2 + (x) * LEVEL_CPART_CUS3_SIZE)
@@ -7610,6 +7610,8 @@ static void setTapeInfoToDefaults(void)
   // at least one (default: the first) player participates in every tape
   tape.num_participating_players = 1;
 
+  tape.property_bits = TAPE_PROPERTY_NONE;
+
   tape.level_nr = level_nr;
   tape.counter = 0;
   tape.changed = FALSE;
@@ -7694,6 +7696,8 @@ static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
 
     setTapeActionFlags(tape, getFile8Bit(file));
 
+    tape->property_bits = getFile8Bit(file);
+
     ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
 
     engine_version = getFileVersion(file);
@@ -8095,6 +8099,8 @@ static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
 
   putFile8Bit(file, getTapeActionValue(tape));
 
+  putFile8Bit(file, tape->property_bits);
+
   // unused bytes not at the end here for 4-byte alignment of engine_version
   WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
 
diff --git a/src/tape.h b/src/tape.h
index 4847931c..c8c06759 100644
--- a/src/tape.h
+++ b/src/tape.h
@@ -35,6 +35,9 @@
 
 #define TAPE_ACTIONS_DEFAULT		TAPE_USE_KEY_ACTIONS_ONLY
 
+// values for tape properties stored in tape file
+#define TAPE_PROPERTY_NONE		0
+
 // some positions in the video tape control window
 #define VIDEO_DISPLAY1_XPOS	5
 #define VIDEO_DISPLAY1_YPOS	5
@@ -202,6 +205,9 @@ struct TapeInfo
   boolean use_key_actions;
   boolean use_mouse_actions;
 
+  // bits to indicate which tape properties are stored in this tape
+  byte property_bits;
+
   struct
   {
     byte action[MAX_TAPE_ACTIONS];