feat: water rendering (#13)

* refactor: update water texture

* feat(gameplay): implement transparent block rendering with depth sorting

* fix(world): use camera pos for distance calculations, make water passable

* refactor(player): use ivec3 for block pass check

* feat(camera): add underwater detection

* feat(renderer): add underwater effect with framebuffer post-processing

* feat(block): add gas property and refactor solid block check

* fix(assets): set leaf block transparency to false

* fix(block): set leaf as transparent

assets/data/block/air.toml

@@ -1,5 +1,6 @@
 id = 0
 is_cross_plane = false
+is_gas = true
 is_liquid = false
 is_passable = true
 is_transparent = true

assets/data/block/dirt.toml

@@ -1,5 +1,6 @@
 id = 2
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = false

assets/data/block/grass.toml

@@ -1,5 +1,6 @@
 id = 9
 is_cross_plane = true
+is_gas = false
 is_liquid = false
 is_passable = true
 is_transparent = true

assets/data/block/grass_block.toml

@@ -1,5 +1,6 @@
 id = 1
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = false

assets/data/block/leaf.toml

@@ -1,5 +1,6 @@
 id = 6
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = true

assets/data/block/log.toml

@@ -1,5 +1,6 @@
 id = 5
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = false

assets/data/block/sand.toml

@@ -1,5 +1,6 @@
 id = 4
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = false

assets/data/block/snowy_grass_block.toml

@@ -1,5 +1,6 @@
 id = 8
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = false

assets/data/block/stone.toml

@@ -1,5 +1,6 @@
 id = 3
 is_cross_plane = false
+is_gas = false
 is_liquid = false
 is_passable = false
 is_transparent = false

assets/data/block/template.toml

@@ -1,6 +1,7 @@
 name = "template"
 id = 0
 is_liquid = false
+is_gas = false
 is_passable = false
 is_cross_plane = false
 is_transparent = false

assets/data/block/water.toml

@@ -1,6 +1,7 @@
 id = 7
 is_cross_plane = false
+is_gas = false
 is_liquid = true
-is_passable = false
-is_transparent = false
+is_passable = true
+is_transparent = true
 name = 'water'