From: Holger Schemel <info@artsoft.org>
Date: Sat, 17 Oct 2020 15:46:15 +0000 (+0200)
Subject: improved code to set or change current artwork
X-Git-Tag: 4.2.1.0~55
X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=commitdiff_plain;h=512f7bbfa113ed92bebc8a3a7d436b38c0227d59

improved code to set or change current artwork
---

diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index f1b87e17..2a86f2be 100644
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -3761,6 +3761,34 @@ static TreeInfo *getDummyArtworkInfo(int type)
   return artwork_new;
 }
 
+void SetCurrentArtwork(int type)
+{
+  ArtworkDirTree **current_ptr = ARTWORK_CURRENT_PTR(artwork, type);
+  ArtworkDirTree *first_node = ARTWORK_FIRST_NODE(artwork, type);
+  char *setup_set = SETUP_ARTWORK_SET(setup, type);
+  char *default_subdir = ARTWORK_DEFAULT_SUBDIR(type);
+
+  // set current artwork to artwork configured in setup menu
+  *current_ptr = getTreeInfoFromIdentifier(first_node, setup_set);
+
+  // if not found, set current artwork to default artwork
+  if (*current_ptr == NULL)
+    *current_ptr = getTreeInfoFromIdentifier(first_node, default_subdir);
+
+  // if not found, set current artwork to first artwork in tree
+  if (*current_ptr == NULL)
+    *current_ptr = getFirstValidTreeInfoEntry(first_node);
+}
+
+void ChangeCurrentArtworkIfNeeded(int type)
+{
+  char *current_identifier = ARTWORK_CURRENT_IDENTIFIER(artwork, type);
+  char *setup_set = SETUP_ARTWORK_SET(setup, type);
+
+  if (!strEqual(current_identifier, setup_set))
+    SetCurrentArtwork(type);
+}
+
 void LoadArtworkInfo(void)
 {
   LoadArtworkInfoCache();
@@ -3796,29 +3824,9 @@ void LoadArtworkInfo(void)
     artwork.mus_first = getDummyArtworkInfo(TREE_TYPE_MUSIC_DIR);
 
   // before sorting, the first entries will be from the user directory
-  artwork.gfx_current =
-    getTreeInfoFromIdentifier(artwork.gfx_first, setup.graphics_set);
-  if (artwork.gfx_current == NULL)
-    artwork.gfx_current =
-      getTreeInfoFromIdentifier(artwork.gfx_first, GFX_DEFAULT_SUBDIR);
-  if (artwork.gfx_current == NULL)
-    artwork.gfx_current = getFirstValidTreeInfoEntry(artwork.gfx_first);
-
-  artwork.snd_current =
-    getTreeInfoFromIdentifier(artwork.snd_first, setup.sounds_set);
-  if (artwork.snd_current == NULL)
-    artwork.snd_current =
-      getTreeInfoFromIdentifier(artwork.snd_first, SND_DEFAULT_SUBDIR);
-  if (artwork.snd_current == NULL)
-    artwork.snd_current = getFirstValidTreeInfoEntry(artwork.snd_first);
-
-  artwork.mus_current =
-    getTreeInfoFromIdentifier(artwork.mus_first, setup.music_set);
-  if (artwork.mus_current == NULL)
-    artwork.mus_current =
-      getTreeInfoFromIdentifier(artwork.mus_first, MUS_DEFAULT_SUBDIR);
-  if (artwork.mus_current == NULL)
-    artwork.mus_current = getFirstValidTreeInfoEntry(artwork.mus_first);
+  SetCurrentArtwork(ARTWORK_TYPE_GRAPHICS);
+  SetCurrentArtwork(ARTWORK_TYPE_SOUNDS);
+  SetCurrentArtwork(ARTWORK_TYPE_MUSIC);
 
   artwork.gfx_current_identifier = artwork.gfx_current->identifier;
   artwork.snd_current_identifier = artwork.snd_current->identifier;
@@ -3920,39 +3928,9 @@ void LoadLevelArtworkInfo(void)
   print_timestamp_time("SaveArtworkInfoCache");
 
   // needed for reloading level artwork not known at ealier stage
-
-  if (!strEqual(artwork.gfx_current_identifier, setup.graphics_set))
-  {
-    artwork.gfx_current =
-      getTreeInfoFromIdentifier(artwork.gfx_first, setup.graphics_set);
-    if (artwork.gfx_current == NULL)
-      artwork.gfx_current =
-	getTreeInfoFromIdentifier(artwork.gfx_first, GFX_DEFAULT_SUBDIR);
-    if (artwork.gfx_current == NULL)
-      artwork.gfx_current = getFirstValidTreeInfoEntry(artwork.gfx_first);
-  }
-
-  if (!strEqual(artwork.snd_current_identifier, setup.sounds_set))
-  {
-    artwork.snd_current =
-      getTreeInfoFromIdentifier(artwork.snd_first, setup.sounds_set);
-    if (artwork.snd_current == NULL)
-      artwork.snd_current =
-	getTreeInfoFromIdentifier(artwork.snd_first, SND_DEFAULT_SUBDIR);
-    if (artwork.snd_current == NULL)
-      artwork.snd_current = getFirstValidTreeInfoEntry(artwork.snd_first);
-  }
-
-  if (!strEqual(artwork.mus_current_identifier, setup.music_set))
-  {
-    artwork.mus_current =
-      getTreeInfoFromIdentifier(artwork.mus_first, setup.music_set);
-    if (artwork.mus_current == NULL)
-      artwork.mus_current =
-	getTreeInfoFromIdentifier(artwork.mus_first, MUS_DEFAULT_SUBDIR);
-    if (artwork.mus_current == NULL)
-      artwork.mus_current = getFirstValidTreeInfoEntry(artwork.mus_first);
-  }
+  ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_GRAPHICS);
+  ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_SOUNDS);
+  ChangeCurrentArtworkIfNeeded(ARTWORK_TYPE_MUSIC);
 
   print_timestamp_time("getTreeInfoFromIdentifier");
 
diff --git a/src/libgame/setup.h b/src/libgame/setup.h
index 9a8f2d5f..59173924 100644
--- a/src/libgame/setup.h
+++ b/src/libgame/setup.h
@@ -326,6 +326,9 @@ char *ExtractZipFileIntoDirectory(char *, char *, int);
 boolean AdjustGraphicsForEMC(void);
 boolean AdjustSoundsForEMC(void);
 
+void SetCurrentArtwork(int);
+void ChangeCurrentArtworkIfNeeded(int);
+
 void LoadLevelInfo(void);
 void LoadArtworkInfo(void);
 void LoadLevelArtworkInfo(void);
diff --git a/src/libgame/system.h b/src/libgame/system.h
index c1eb58d8..68a94cec 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -866,6 +866,20 @@
 				 (artwork).snd_first :			\
 				 (artwork).mus_first)
 
+#define ARTWORK_CURRENT_PTR(artwork, type)				\
+				((type) == ARTWORK_TYPE_GRAPHICS ?	\
+				 &(artwork).gfx_current :		\
+				 (type) == ARTWORK_TYPE_SOUNDS ?	\
+				 &(artwork).snd_current :		\
+				 &(artwork).mus_current)
+
+#define ARTWORK_CURRENT(artwork, type)					\
+				((type) == ARTWORK_TYPE_GRAPHICS ?	\
+				 (artwork).gfx_current :		\
+				 (type) == ARTWORK_TYPE_SOUNDS ?	\
+				 (artwork).snd_current :		\
+				 (artwork).mus_current)
+
 #define ARTWORK_CURRENT_IDENTIFIER_PTR(artwork, type)			\
 				((type) == ARTWORK_TYPE_GRAPHICS ?	\
 				 &(artwork).gfx_current_identifier :	\