4 files changed, 63 insertions, 13 deletions
diff --git a/src/game/assets.cpp b/src/game/assets.cpp
index 32eff81..c20d77b 100644
--- a/src/game/assets.cpp
+++ b/src/game/assets.cpp
@@ -1,6 +1,6 @@
 #include "game.hpp"
 
-namespace assets {
+namespace game::assets {
 
 human_assets_t human;
 sf::Texture tile_dirt;
@@ -13,8 +13,10 @@ void load(void)
 	human.legs_idle.load("assets/units/human/legs_idle", 2, 2);
 	human.legs_walking.load("assets/units/human/legs_walking", 2, 2);
 
-	tile_dirt.loadFromFile("assets/tiles/dirt.png");
-	tile_wall.loadFromFile("assets/tiles/wall.png");
+	world::register_tile(TILE_DIRT, 0);
+	world::register_tile(TILE_WALL, 1);
+	render::register_tile(TILE_DIRT, "assets/tiles/dirt.png");
+	render::register_tile(TILE_WALL, "assets/tiles/wall.png");
 }
 
-} // namespace assets
+} // namespace game::assets
diff --git a/src/game/game.cpp b/src/game/game.cpp
index eb3966d..385a940 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -216,6 +216,8 @@ void state_t::start(void)
 {
 	human_t *human;
 
+	world.generator = worldgen;
+
 	human = new human_t;
 	human->place(&world, v2f_t(0.5, 0.5));
 	units.insert(human);
@@ -267,4 +269,10 @@ void state_t::tick(double now_, double dt_)
 		unit->keep_moving(now, dt);
 }
 
+bool load_assets(void)
+{
+	assets::load();
+	return true;
+}
+
 } //namespace game
diff --git a/src/game/game.hpp b/src/game/game.hpp
index 3e10bbb..5da6370 100644
--- a/src/game/game.hpp
+++ b/src/game/game.hpp
@@ -1,14 +1,25 @@
 #include "../common.hpp"
 
-namespace assets {
-	typedef struct {
-		render::oriented_sprite_4M_t head_idle, body_idle;
-		render::oriented_sprite_4M2_t legs_idle, legs_walking;
-	} human_assets_t;
+namespace game {
+	enum {
+		TILE_NONE,
+		TILE_DIRT,
+		TILE_WALL
+	};
 
-	extern human_assets_t human;
-	extern sf::Texture tile_dirt;
-	extern sf::Texture tile_wall;
+	void worldgen(world::tile_t *tile, world::tile_index_t x,
+	              procgen::perlin_noise_t *perlin);
 
-	void load(void);
+	namespace assets {
+		typedef struct {
+			render::oriented_sprite_4M_t head_idle, body_idle;
+			render::oriented_sprite_4M2_t legs_idle, legs_walking;
+		} human_assets_t;
+
+		extern human_assets_t human;
+		extern sf::Texture tile_dirt;
+		extern sf::Texture tile_wall;
+
+		void load(void);
+	}
 };
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;
+}
+
+}