Added top side to grass and improved worldgen a tiny bit

code/source-c/blocks.c

@@ -163,12 +163,14 @@ tc_cube_info_s tc_gen_unitexture_cube_info
 void tc_create_blocks()
 {
     tc_image_s         *dirt_texture        = tc_resolve_name_to_image("dirt");
-    tc_image_s         *grass_texture   = tc_resolve_name_to_image("grass");
+    tc_image_s         *grass_texture       = tc_resolve_name_to_image("grass-side");
+    tc_image_s         *grass_top_texture   = tc_resolve_name_to_image("grass-top");
     tc_image_s         *stone_texture       = tc_resolve_name_to_image("stone");
     
     tc_cube_info_s      dirt            = tc_gen_unitexture_cube_info("Dirt",  1 | TC_BLOCK_OPAQUE_BIT, dirt_texture->image_id);
-    tc_cube_info_s      grass           = tc_gen_unitexture_cube_info("Grass", 2 | TC_BLOCK_OPAQUE_BIT, grass_texture->image_id);
     tc_cube_info_s      stone           = tc_gen_unitexture_cube_info("Stone", 3 | TC_BLOCK_OPAQUE_BIT, stone_texture->image_id);
+    tc_cube_info_s      grass           = tc_gen_unitexture_cube_info("Grass", 2 | TC_BLOCK_OPAQUE_BIT, grass_texture->image_id);
+    grass.texture_top       = grass_top_texture->image_id;
     
     tc_new_cube_block(dirt);
     tc_new_cube_block(grass);

code/source-c/cube_premeshing.c

@@ -51,14 +51,13 @@ float tc_cube_back_xyz[18] =
 
 float tc_cube_west_uv[12] =
 {
-    // Left
+    0.0f, 1.0f,
-    1.0f, 0.0f,
     0.0f, 0.0f,
-    0.0f, 1.0f,
+    1.0f, 0.0f,
     
-    0.0f, 1.0f,
+    1.0f, 0.0f,
     1.0f, 1.0f,
-    1.0f, 0.0f
+    0.0f, 1.0f
 };
 
 float tc_cube_west_xyz[18] =
@@ -76,14 +75,13 @@ float tc_cube_west_xyz[18] =
 
 float tc_cube_east_uv[12] =
 {
-    // Right
+    1.0f, 0.0f,
-    0.0f, 1.0f,
     0.0f, 0.0f,
-    1.0f, 0.0f,
+    0.0f, 1.0f,
     
-    1.0f, 0.0f,
+    0.0f, 1.0f,
     1.0f, 1.0f,
-    0.0f, 1.0f
+    1.0f, 0.0f
 };
 
 float tc_cube_east_xyz[18] =
@@ -101,7 +99,6 @@ float tc_cube_east_xyz[18] =
 
 float tc_cube_top_uv[12] =
 {
-    // Top
     0.0f, 0.0f,
     0.0f, 1.0f,
     1.0f, 0.0f,
@@ -126,7 +123,6 @@ float tc_cube_top_xyz[18] =
 
 float tc_cube_bottom_uv[12] =
 {
-    // Bottom
     0.0f, 1.0f,
     0.0f, 0.0f,
     1.0f, 0.0f,
@@ -151,21 +147,25 @@ float tc_cube_bottom_xyz[18] =
 
 void tc_adjust_cube_uvs_for_image(tc_image_s *image, float *face_uvs)
 {
-    float           lower_x         = ((float) image->x) / ((float) image->width);
+    float           uv_per_pixel_w  = 1.0f / image->width;
-    float           lower_y         = ((float) image->y) / ((float) image->height);
+    float           uv_per_pixel_h  = 1.0f / image->height;
-    float           higher_x;
-    float           higher_y;
     
     if(image->superimage != NULL)
     {
-        higher_x            = (((float) (image->x + image->width))  / ((float) image->superimage->width));
+        uv_per_pixel_w      = 1.0f / image->superimage->width;
-        higher_y            = (((float) (image->y + image->height)) / ((float) image->superimage->height));
+        uv_per_pixel_h      = 1.0f / image->superimage->height;
-    }
-    else
-    {
-        higher_x            = 1.0f;
-        higher_y            = 1.0f;
     }
+    printf("UV Per Pixel: %f|%f\n", uv_per_pixel_w, uv_per_pixel_h);
+    
+    float           lower_x         = uv_per_pixel_w * ((float) image->x);
+    float           lower_y         = uv_per_pixel_h * ((float) image->y);
+    float           higher_x        = 1.0f;
+    float           higher_y        = 1.0f;
+    
+    higher_x            = lower_x + uv_per_pixel_w * 8; // image->width;
+    higher_y            = lower_y + uv_per_pixel_h * 8; // image->height;
+    
+    printf("Lower Coordinates: %f|%f, Higher Coordinates: %f %f\n", lower_x, lower_y, higher_x, higher_y);
     
     uint32_t        num_floats      = 2 * 6;
     uint32_t        index           = 0;

code/source-c/default_terrain_generator.c

@@ -8,6 +8,9 @@ bool tc_generate_default_terrain_chunk(tc_worldgen_s *gen, tc_chunk_s *chunk)
     block.position.y                = 0.0f;
     block.position.z                = 0.0f;
     
+    tc_block_s                  grass;
+    grass.type_identifier           = 2 | TC_BLOCK_OPAQUE_BIT;
+    
     if(chunk->position.y > 0) return true;
     
     uint32_t                    x_in_chunk              = 0;
@@ -28,9 +31,20 @@ bool tc_generate_default_terrain_chunk(tc_worldgen_s *gen, tc_chunk_s *chunk)
         }
         ++x_in_chunk;
     }
-    tc_block_s  air;
+    if(chunk->position.y == 0)
-    block.type_identifier = 0;
+    {
-    tc_set_block_in_chunk(chunk, 6, 8, 14, air);
+        x_in_chunk          = 0;
+        while(x_in_chunk < 32)
+        {
+            z_in_chunk                      = 0;
+            while(z_in_chunk < 32)
+            {
+                tc_set_block_in_chunk(chunk, x_in_chunk, 31, z_in_chunk, grass);
+                ++z_in_chunk;
+            }
+            ++x_in_chunk;
+        }
+    }
     
     return true;
 }

code/source-c/initialization.c

@@ -43,9 +43,14 @@ void tc_load_textures()
     tc_image_s             *dirt        =
         tc_create_subimage(tc_game_state_g.block_texture_atlas, 0, 0, 8, 8);
     dirt->name                  = "dirt";
+    
     tc_image_s             *grass       =
         tc_create_subimage(tc_game_state_g.block_texture_atlas, 8, 0, 8, 8);
-    grass->name                 = "grass";
+    grass->name                 = "grass-side";
+    
+    tc_image_s             *grass_top   =
+        tc_create_subimage(tc_game_state_g.block_texture_atlas, 8, 8, 8, 8);
+    grass_top->name             = "grass-top";
     
     tc_image_s             *stone       =
         tc_create_subimage(tc_game_state_g.block_texture_atlas, 16, 0, 8, 8);