scene thoughts

1 files changed, 13 insertions, 5 deletions

diff --git a/src/systems/terrain.h b/src/systems/terrain.h
index 6558202..3d6f1c1 100644
--- a/src/systems/terrain.h
+++ b/src/systems/terrain.h
@@ -20,19 +20,23 @@ Future:
 #include "maths_types.h"
 #include "mem.h"
 
-typedef struct terrain_state {
-} terrain_state;
-
 typedef struct heightmap {
+  str8 filepath;
   u32x2 size;
   void* image_data;
+  bool is_uploaded;
 } heightmap;
 
+typedef struct terrain_state {
+  arena terrain_allocator;
+  heightmap* heightmap; // NULL = no heightmap
+} terrain_state;
+
 bool terrain_system_init(terrain_state* state);
 void terrain_system_shutdown(terrain_state* state);
 void terrain_system_render_hmap(renderer* rend, terrain_state* state);
 
-heightmap heightmap_from_image(const char* filepath);
+heightmap heightmap_from_image(str8 filepath);
 heightmap heightmap_from_perlin(/* TODO: perlin noise generation parameters */);
 
 /** @brief Get the height (the Y component) for a vertex at a particular coordinate in the heightmap
@@ -43,4 +47,8 @@ f32 heightmap_height_at_xz(heightmap* hmap, f32 x, f32 z);
 vec3 heightmap_normal_at_xz(heightmap* hmap, f32 x, f32 z);
 
 /** @brief Generate the `geometry_data` for a heightmap ready to be uploaded to the GPU */
-geometry_data geo_heightmap(arena* a, heightmap heightmap);
\ No newline at end of file
+geometry_data geo_heightmap(arena* a, heightmap heightmap);
+
+// somewhere there will be an easy way to add a heightmap
+
+// scene_add_heightmap
\ No newline at end of file