1 files changed, 29 insertions, 0 deletions
diff --git a/src/game/worldgen.cpp b/src/game/worldgen.cpp
new file mode 100644
index 0000000..573d03b
--- /dev/null
+++ b/src/game/worldgen.cpp
@@ -0,0 +1,29 @@
+#include "game.hpp"
+
+namespace game {
+
+void worldgen(world::tile_t *tile, world::tile_index_t x,
+              procgen::perlin_noise_t *perlin)
+{
+	float waterlevel, height;
+
+	waterlevel = perlin->get(x, 1000.0f) * 0.3f +
+	             perlin->get(x, 500.0f) * 0.1f;
+
+	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)
+		tile->type = TILE_WALL;
+	else if (height < waterlevel + 0.1)
+		tile->type = TILE_DIRT;
+	else if (perlin->get(x, 3.0f) > 0.0f)
+		tile->type = TILE_WALL;
+	else
+		tile->type = TILE_DIRT;
+}
+
+}