Daffodil, Castilleja, and Ferns (#951)

* Add daffodil, castilleja, and fern

* Add fern item texture, tweak dry and lush grass items. tweak vetch and item

* Update flower models to stay within 1 block of space

* Castilleja.zig.zon, fix some formatting

assets/cubyz/blocks/castilleja.zig.zon

@@ -0,0 +1,19 @@
+.{
+	.class = .leaf,
+	.hardness = 0.1,
+	.drops = .{
+		.{.items = .{.auto}},
+	},
+	.degradable = true,
+	.viewThrough = true,
+	.absorbedLight = 0x000000,
+	.collide = false,
+	.model = "cubyz:flower/height_10",
+	.texture = "cubyz:castilleja",
+	.texture_top = "cubyz:castilleja_top",
+	.texture_bottom = "cubyz:castilleja_top",
+	.item = .{
+		.texture = "castilleja.png",
+	},
+	.lodReplacement = "cubyz:air",
+}

assets/cubyz/blocks/daffodil.zig.zon

@@ -0,0 +1,19 @@
+.{
+	.class = .leaf,
+	.hardness = 0.1,
+	.drops = .{
+		.{.items = .{.auto}},
+	},
+	.degradable = true,
+	.viewThrough = true,
+	.absorbedLight = 0x000000,
+	.collide = false,
+	.model = "cubyz:flower/height_8",
+	.texture = "cubyz:daffodil",
+	.texture_top = "cubyz:daffodil_top",
+	.texture_bottom = "cubyz:daffodil_top",
+	.item = .{
+		.texture = "daffodil.png",
+	},
+	.lodReplacement = "cubyz:air",
+}

assets/cubyz/blocks/fern.zig.zon

@@ -0,0 +1,17 @@
+.{
+	.class = .leaf,
+	.hardness = 0.1,
+	.drops = .{
+		.{.items = .{.auto}},
+	},
+	.degradable = true,
+	.viewThrough = true,
+	.absorbedLight = 0x000000,
+	.collide = false,
+	.model = "cubyz:cross",
+	.texture = "cubyz:fern",
+	.item = .{
+		.texture = "fern.png",
+	},
+	.lodReplacement = "cubyz:air",
+}

assets/cubyz/models/flower/height_10.obj

@@ -0,0 +1,55 @@
+o unknown
+v 1 1 1
+v 1 1 0
+v 0 0 0
+v 0 0 1
+v 0 0.9375 1
+v 0 0.9375 0
+v 0.9375 0 0
+v 0.9375 0 1
+vt 0.75 0.25
+vt 0.75 0
+vt 1 0
+vt 1 0.25
+vt 1 0.25
+vt 1 0
+vt 0.75 0
+vt 0.75 0.25
+vt 0.515625 0.25
+vt 0.515625 0
+vt 0.75 0
+vt 0.75 0.25
+vt 0.75 0.25
+vt 0.75 0
+vt 0.515625 0
+vt 0.515625 0.25
+vn -0.7071067811865476 0.7071067811865476 0
+vn 0.7071067811865476 -0.7071067811865476 0
+vn -0.7071067811865476 -0.7071067811865476 0
+vn 0.7071067811865476 0.7071067811865476 0
+f 1/1/1 2/2/1 3/3/1 4/4/1
+f 4/5/2 3/6/2 2/7/2 1/8/2
+f 5/9/3 6/10/3 7/11/3 8/12/3
+f 8/13/4 7/14/4 6/15/4 5/16/4
+o plane
+v 1 0 0.625
+v 1 1 0.625
+v 0 1 0.625
+v 0 0 0.625
+vt 0 0.25
+vt 0 0
+vt 0.25 0
+vt 0.25 0.25
+vn 0 0 1
+f 9/17/5 10/18/5 11/19/5 12/20/5
+o plane
+v 0 0 0.625
+v 0 1 0.625
+v 1 1 0.625
+v 1 0 0.625
+vt 0.25 0.25
+vt 0.25 0
+vt 0 0
+vt 0 0.25
+vn 0 0 -1
+f 13/21/6 14/22/6 15/23/6 16/24/6

assets/cubyz/models/flower/height_8.obj

@@ -0,0 +1,55 @@
+o unknown
+v 1 1 1
+v 1 1 0
+v 0 0 0
+v 0 0 1
+v 0 0.9375 1
+v 0 0.9375 0
+v 0.9375 0 0
+v 0.9375 0 1
+vt 0.75 0.25
+vt 0.75 0
+vt 1 0
+vt 1 0.25
+vt 1 0.25
+vt 1 0
+vt 0.75 0
+vt 0.75 0.25
+vt 0.515625 0.25
+vt 0.515625 0
+vt 0.75 0
+vt 0.75 0.25
+vt 0.75 0.25
+vt 0.75 0
+vt 0.515625 0
+vt 0.515625 0.25
+vn -0.7071067811865476 0.7071067811865476 0
+vn 0.7071067811865476 -0.7071067811865476 0
+vn -0.7071067811865476 -0.7071067811865476 0
+vn 0.7071067811865476 0.7071067811865476 0
+f 1/1/1 2/2/1 3/3/1 4/4/1
+f 4/5/2 3/6/2 2/7/2 1/8/2
+f 5/9/3 6/10/3 7/11/3 8/12/3
+f 8/13/4 7/14/4 6/15/4 5/16/4
+o plane
+v 1 0 0.5
+v 1 1 0.5
+v 0 1 0.5
+v 0 0 0.5
+vt 0 0.25
+vt 0 0
+vt 0.25 0
+vt 0.25 0.25
+vn 0 0 1
+f 9/17/5 10/18/5 11/19/5 12/20/5
+o plane
+v 0 0 0.5
+v 0 1 0.5
+v 1 1 0.5
+v 1 0 0.5
+vt 0.25 0.25
+vt 0.25 0
+vt 0 0
+vt 0 0.25
+vn 0 0 -1
+f 13/21/6 14/22/6 15/23/6 16/24/6