Slightly more interesting world generation.

1 files changed, 11 insertions, 4 deletions

diff --git a/src/world.cpp b/src/world.cpp
index 895eb0f..ad055c0 100644
--- a/src/world.cpp
+++ b/src/world.cpp
@@ -26,9 +26,11 @@ void world_t::generate_tile(tile_t *tile, tile_index_t x)
 	waterlevel = perlin.get(x, 1000.0f) * 0.3f +
 	             perlin.get(x, 500.0f) * 0.1f;
 
-	height = perlin.get(x, 10.0f) * 0.6f +
-	         perlin.get(x, 5.0f) * 0.25f +
-	         perlin.get(x, 3.0f) * 0.2f;
+	height = perlin.get(x, 40.0f) * 0.6f +
+	         perlin.get(x, 20.0f) * 0.25f +
+	         perlin.get(x, 10.0f) * 0.2f +
+	         perlin.get(x, 4.0f) * 0.1f +
+	         perlin.get(x, 1.0f) * 0.05f;
 
 	if (height < waterlevel - 0.2f)
 		tile->type = -1;
@@ -41,6 +43,10 @@ void world_t::generate_tile(tile_t *tile, tile_index_t x)
 			tile->type = 3;
 		else
 			tile->type = 2;
+
+		if (height > waterlevel + 0.1f &&
+		    perlin.get(x, 2.0f) > 0.3f)
+			tile->type = 4;
 	}
 }
 
@@ -75,7 +81,8 @@ bool world_t::find_path(v2f_t src, v2f_t dst, rectf_t size,
 		tile_index_t index;
 
 		index = finder.base + tile_index_t(x, y);
-		node->accessible = (get_tile(index)->type >= 1);
+		node->accessible = (get_tile(index)->type >= 1 &&
+		                    get_tile(index)->type <= 3);
 	}
 
 	if (!finder.find())