add support for slabs

include/minecraft_data.inc

@@ -16,7 +16,8 @@ struct {
   {1152, 3180}, // candle.obj
   {4332, 1584}, // custom_mushroom.obj
   {5916, 36}, // fence.obj
-  {5952, 24}, // stair.obj
-  {5976, 12}, // tall_grass.obj
-  {5988, 2082}, // wall_torch.obj
+  {5952, 24}, // slab.obj
+  {5976, 24}, // stair.obj
+  {6000, 12}, // tall_grass.obj
+  {6012, 2082}, // wall_torch.obj
 };

include/world/world.h

@@ -26,7 +26,7 @@ namespace world {
   };
 
   // also update index_buffer_custom_offsets in include/minecraft_data.inc
-  const int custom_block_types = 6;
+  const int custom_block_types = 7;
   const int instance_cfg_length = 64 + custom_block_types;
 
   struct instance_cfg_entry {

minecraft/gen/block_ids.csv

@@ -24,6 +24,7 @@ Lilac Grass,37,,15,tall_grass,two_sided,,
 Spider Plant,38,,13,tall_grass,two_sided,,
 Spider Plant,39,,13,tall_grass,two_sided,,
 Red Mushroom,40,,14,custom_mushroom,,,
+Slab,44,"0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15",4,slab,slab_oriented,,
 Start/Finish Line,45,,16,,,,
 Shadow Block,49,,20,,,,
 Wall Torch,50,"1,2,3,4",62,wall_torch,"emits_light,torch_oriented",,

minecraft/gen/block_ids.py

@@ -85,9 +85,11 @@ def get_special(block_id, block_data):
         return 1
     if "stair_oriented" in decl.properties:
         return 2
+    if "slab_oriented" in decl.properties:
+        return 3
     return 0
 
 if __name__ == "__main__":
     from pprint import pprint
-    #print(sorted_custom_mesh)
-    pprint(sorted_decls)
+    print(sorted_custom_mesh)
+    #pprint(sorted_decls)

minecraft/gen/mc.py

@@ -125,9 +125,13 @@ def build_block_instances(blocks):
     light_sources = []
 
     for position, block_id, block_data, normal_indices in blocks:
+        if block_id == 44:
+            print("bd", block_data)
         if block_ids.is_light_source(block_id, block_data):
             light_sources.append((position, block_id, block_data))
         if not block_ids.is_cube_block(block_id, block_data):
+            if block_id == 44:
+                print(block_id)
             custom_mesh_index = block_ids.get_custom_mesh_index(block_id, block_data)
             non_cube_blocks[custom_mesh_index].append((position, block_id, block_data))
             continue

minecraft/gen/obj_write.py

@@ -17,4 +17,4 @@ def write_obj(vertex_buffer, index_buffer, index_lookup, path):
     state = obj.parse_obj_from_filename(path)
     obj_state.append_triangles(state, vertex_buffer, index_buffer, index_lookup)
     index_count = len(index_buffer) - index_start
-    print(f"{index_start}, {index_count}, // {path}")
+    print(f"{{{index_start}, {index_count}}}, // {path}")

minecraft/gen/slab.obj

@@ -0,0 +1,35 @@
+# Blender 5.0.0
+# www.blender.org
+o Plane
+v 1.000000 -1.000000 1.000000
+v -1.000000 -1.000000 1.000000
+v 1.000000 -1.000000 -1.000000
+v -1.000000 -1.000000 -1.000000
+v 1.000000 0.000000 0.000000
+v -1.000000 -0.000000 0.000000
+vn 1.0000 -0.0000 -0.0000
+vn -1.0000 -0.0000 -0.0000
+vn -0.0000 0.7071 0.7071
+vn -0.0000 0.7071 -0.7071
+vn -0.0000 -1.0000 -0.0000
+vt 0.500000 0.500000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 0.500000
+vt 0.000000 0.500000
+vt 1.000000 0.500000
+vt 1.000000 1.000000
+vt 0.000000 0.500000
+vt 0.000000 1.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+vt 1.000000 0.500000
+s 0
+f 5/1/1 1/2/1 3/3/1
+f 6/4/2 4/2/2 2/3/2
+f 2/3/3 5/5/3 6/6/3
+f 5/7/4 4/8/4 6/9/4
+f 1/2/5 4/10/5 3/11/5
+f 2/3/3 1/2/3 5/5/3
+f 5/7/4 3/12/4 4/8/4
+f 1/2/5 2/3/5 4/10/5

shader/minecraft.frag

@@ -41,5 +41,6 @@ void main()
   Position = fs_in.Position.xzy;
   Normal = vec4(normalize(fs_in.Normal.xzy), two_sided);
   Color = texture_color.xyz;
+  //Color = vec3(normalize(fs_in.Normal.xzy));
   Block = vec4(fs_in.BlockID, fs_in.Data, fs_in.TextureID, fs_in.Special);
 }

src/hud.cpp

@@ -105,8 +105,9 @@ namespace hud {
     font::bitmap::draw_string(ter_best, "  elevate: q/e", 10, y); y += ter_best.desc->glyph_height;
     font::bitmap::draw_string(ter_best, "  warp: l", 10, y); y += ter_best.desc->glyph_height;
     font::bitmap::draw_string(ter_best, "gamepad:", 10, y); y += ter_best.desc->glyph_height;
-    font::bitmap::draw_string(ter_best, "  move: right stick", 10, y); y += ter_best.desc->glyph_height;
-    font::bitmap::draw_string(ter_best, "  look: left stick", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  move: left stick", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  look: right stick", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  elevate: left/right trigger", 10, y); y += ter_best.desc->glyph_height;
     font::bitmap::draw_string(ter_best, "  warp: a", 10, y); y += ter_best.desc->glyph_height;