From: Holger Schemel <info@artsoft.org>
Date: Tue, 27 Feb 2024 20:13:57 +0000 (+0100)
Subject: improved color handling when loading BDCFF file in BD engine
X-Git-Tag: 4.4.0.0-test-1~272
X-Git-Url: https://git.artsoft.org/?a=commitdiff_plain;h=dec4d0bad52cff4f2fab1385d01b9f65347bd552;p=rocksndiamonds.git

improved color handling when loading BDCFF file in BD engine
---

diff --git a/src/game_bd/bd_bdcff.c b/src/game_bd/bd_bdcff.c
index ff5a60ca..07c6cd61 100644
--- a/src/game_bd/bd_bdcff.c
+++ b/src/game_bd/bd_bdcff.c
@@ -398,9 +398,11 @@ static void replay_process_tags(GdReplay *replay, HashTable *tags)
 static boolean cave_process_tags_func(const char *attrib, const char *param, GdCave *cave)
 {
   char **params;
+  int paramcount;
   boolean identifier_found;
 
   params = getSplitStringArray(param, " ", -1);
+  paramcount = getStringArrayLength(params);
   identifier_found = FALSE;
 
   if (strcasecmp(attrib, "SnapExplosions") == 0)
@@ -462,17 +464,65 @@ static boolean cave_process_tags_func(const char *attrib, const char *param, GdC
   else if (strcasecmp(attrib, "Colors") == 0)
   {
     /* colors attribute is a mess, have to process explicitly */
+    boolean ok = TRUE;
 
     /* Colors = [border background] foreground1 foreground2 foreground3 [amoeba slime] */
     identifier_found = TRUE;
 
-    cave->colorb = GD_GDASH_BLACK;    /* border - black */
-    cave->color0 = GD_GDASH_BLACK;    /* background - black */
-    cave->color1 = GD_GDASH_RED;
-    cave->color2 = GD_GDASH_PURPLE;
-    cave->color3 = GD_GDASH_YELLOW;
-    cave->color4 = cave->color3;    /* amoeba */
-    cave->color5 = cave->color1;    /* slime */
+    if (paramcount == 3)
+    {
+      /* only color1,2,3 */
+      cave->colorb = gd_c64_color(0);    /* border - black */
+      cave->color0 = gd_c64_color(0);    /* background - black */
+      cave->color1 = gd_color_get_from_string(params[0]);
+      cave->color2 = gd_color_get_from_string(params[1]);
+      cave->color3 = gd_color_get_from_string(params[2]);
+      cave->color4 = cave->color3;    /* amoeba */
+      cave->color5 = cave->color1;    /* slime */
+    }
+    else if (paramcount == 5)
+    {
+      /* bg,color0,1,2,3 */
+      cave->colorb = gd_color_get_from_string(params[0]);
+      cave->color0 = gd_color_get_from_string(params[1]);
+      cave->color1 = gd_color_get_from_string(params[2]);
+      cave->color2 = gd_color_get_from_string(params[3]);
+      cave->color3 = gd_color_get_from_string(params[4]);
+      cave->color4 = cave->color3;    /* amoeba */
+      cave->color5 = cave->color1;    /* slime */
+    }
+    else if (paramcount == 7)
+    {
+      /* bg,color0,1,2,3,amoeba,slime */
+      cave->colorb = gd_color_get_from_string(params[0]);
+      cave->color0 = gd_color_get_from_string(params[1]);
+      cave->color1 = gd_color_get_from_string(params[2]);
+      cave->color2 = gd_color_get_from_string(params[3]);
+      cave->color3 = gd_color_get_from_string(params[4]);
+      cave->color4 = gd_color_get_from_string(params[5]);    /* amoeba */
+      cave->color5 = gd_color_get_from_string(params[6]);    /* slime */
+    }
+    else
+    {
+      Warn("invalid number of color strings: %s", param);
+
+      ok = FALSE;
+    }
+
+    /* now check and maybe make up some new. */
+    if (!ok ||
+	gd_color_is_unknown(cave->colorb) ||
+	gd_color_is_unknown(cave->color0) ||
+	gd_color_is_unknown(cave->color1) ||
+	gd_color_is_unknown(cave->color2) ||
+	gd_color_is_unknown(cave->color3) ||
+	gd_color_is_unknown(cave->color4) ||
+	gd_color_is_unknown(cave->color5))
+    {
+      Warn("created a new C64 color scheme.");
+
+      gd_cave_set_random_c64_colors(cave);    /* just create some random */
+    }
   }
   else
   {
diff --git a/src/game_bd/bd_cave.c b/src/game_bd/bd_cave.c
index a1d528ec..4c5b4287 100644
--- a/src/game_bd/bd_cave.c
+++ b/src/game_bd/bd_cave.c
@@ -774,6 +774,38 @@ void gd_cave_c64_random_set_seed(GdCave *cave, int seed1, int seed2)
   gd_c64_random_set_seed(&cave->c64_rand, seed1, seed2);
 }
 
+void gd_cave_set_random_c64_colors(GdCave *cave)
+{
+  const int bright_colors[] = { 1, 3, 7 };
+  const int dark_colors[] = { 2, 6, 8, 9, 11 };
+
+  /* always black */
+  cave->colorb = gd_c64_color(0);
+  cave->color0 = gd_c64_color(0);
+
+  /* choose some bright color for brick */
+  cave->color3 = gd_c64_color(bright_colors[gd_random_int_range(0, ARRAY_SIZE(bright_colors))]);
+
+  /* choose a dark color for dirt, but should not be == color of brick */
+  do
+  {
+    cave->color1 = gd_c64_color(dark_colors[gd_random_int_range(0, ARRAY_SIZE(dark_colors))]);
+  }
+  while (cave->color1 == cave->color3);    /* so it is not the same as color 1 */
+
+  /* choose any but black for steel wall, but should not be == brick or dirt */
+  do
+  {
+    /* between 1 and 15 - do not use black for this. */
+    cave->color2 = gd_c64_color(gd_random_int_range(1, 16));
+  }
+  while (cave->color1 == cave->color2 || cave->color2 == cave->color3);    /* so colors are not the same */
+
+  /* copy amoeba and slime color */
+  cave->color4 = cave->color3;
+  cave->color5 = cave->color1;
+}
+
 /*
   shrink cave
   if last line or last row is just steel wall (or (invisible) outbox).
diff --git a/src/game_bd/bd_cave.h b/src/game_bd/bd_cave.h
index 3bdc02f0..f792feb3 100644
--- a/src/game_bd/bd_cave.h
+++ b/src/game_bd/bd_cave.h
@@ -623,6 +623,7 @@ unsigned int gd_c64_random(GdC64RandomGenerator *rand);
 unsigned int gd_cave_c64_random(GdCave *);
 void gd_c64_random_set_seed(GdC64RandomGenerator *rand, int seed1, int seed2);
 void gd_cave_c64_random_set_seed(GdCave *cave, int seed1, int seed2);
+void gd_cave_set_random_c64_colors(GdCave *cave);
 
 /* support */
 void *gd_cave_map_new_for_cave(const GdCave *cave, const int cell_size);