Rendering / Major refactoring

This merge request introduces basic rendering.

Done

• Render world using shaders and vertex buffers
• More complex models
• Other
  • Config rework 8eeff29d
  • Support for 21w03a, 21w05a, 21w05b, 21w07a, 21w08a, 21w10a, 21w11a, 21w13a, 21w14a, 21w15a, 21w16a, 21w17a, 21w18a, 21w19a, 21w20a 28f9c508, e7c76e35, a17c6474, 6d9fea3c
  • Other fixes 5d759302, 93013fe4
  • Convert more classes to kotlin
  • Improve version mapping 7262c384
  • Migrate to PixLyzer assets: 41199767
  • Rename ModIdentifier to ResourceLocation: 498ffd95
  • Repalce all *Position classes with Vecs: 56f310eb
  • Refactor AssetsManager: fb8e29cb
  • Mayor packet refactoring
  • Way more refactoring...

ToDo

• Implement all models, see https://minecraft.gamepedia.com/Model
  • Multipart 1bd73f22
  • Rotation of elements e6926202
  • rescale 7ae16991
  • rotated textures 4d987cb0
  • uvlock a1cbac33
  • Random Block variants e0148592
  • Tinted textures (with biomes) 329f30f6, d37b5042, 4c9d61c1, e215afb4, ce4acbe7
  • Fix texture rotation 5226a26aa59fba24367bccb252028a7c97ea4fe8c
  • Fix rescale: sugar cane, etc 77f7ff4a
  • Fix texture bugs: lever, campfire, torch 34acc9d8
  • Fix wrong face position: torch, grass path, etc 34acc9d8
  • Some blocks are rotated wrong (check command block) c1fa6d58
  • Texture wrong rotated (place stairs upside down, pistons, etc)
• Fluids
  • Basic rendering
  • Water
  • Lava
  • Fix water logged property 0ee96a85, 7018f3ca
  • Fix flowing/still mix
  • Fix GL_REPEAT cb85c595
• Performance
  • Face culling 124d5f48
  • Chunk/Frustum culling: 6e139bc1, 7bd34f85
  • Chunk unloading 2ce1f233
  • Improve memory usage 18324e07, 71a75b7b, f38d8649, 2eb44713, 28d9f9bb, cead3689
  • Improve performance with high render distance (join in a casual world)
  • Improve VRAM Usage: c78cc753
  • Improve Mesher
    • Wait for all neighbor chunks to be loaded before preparing 312486cf
    • Don't render half faces between to blocks (e.g. anvils) 6cc781a7, bdfe1345
    • Improve Performance cead3689, da11f1f0
    • Better mesher (don't draw faces between anvils)
    • Fix "better mesher": missing bottom beacons face, still faces between glass and blocks and between grass blocks 6d51136a
    • Don't draw west and east faces between a block and glass panes
• Animations
  • Textures e13d0b02, ad647013
    • Support frames
    • Interpolate
    • Fixes (rejoin bug, wrong frames, wrong speed) 046c9b3b, 4468222e
    • Allow more sprite animations (current limit is 128, theoretical limit is 4096. Should be replaced with a shader placeholder) 283f3903
    • Fix on Intel GPUs (some textures are just replaced with the debug texture)
  • Particles
    • Basic loading, displaying 58c0935d, 70c9986a, 75bef2eb
    • Velocity, Movement, growing, age 75bef2eb
    • Implement all particles d1861a06
    • Particle logic 483fdd80
    • Particles by packet 024beb36
    • Particle velocity, colliding and gravity 6d3672f2
    • Block particles db23cf80
• Fixes
  • Rotation fixes 3cef6bfb
  • Launcher connect fixes cb274764
  • Entity meta data index json broken for ~ 1.16.1 41199767
  • Multi resolution textures 195c01a6
  • dark forest Tinting (grass) 701e3362
  • Chunks won't get saved sometimes or won't be prepared (Maybe an error with ConcurrentHashMap) ede8309c, ffc34ed1
  • Support for 1.13
• Transparency
  • Force render transparent faces e5c8f43a
  • Create second mesh 6930fa37
  • Cull face fixes
  • Don't render faces between 2 same blocks? (glass, but what about leaves?) 6ab06cbd
  • Mipmaps 134ec620
  • Sort faces
• GUI
  • HUD
    • Debug screen
    • Input field 48665288
    • Chat
      • Chat input field 48665288
      • Chat messages
      • Chat box (also scrolling, etc)
    • Hotbar 855a73df
    • Scoreboard
    • Title
    • Bossbar
    • Escape screen
    • Item rendering
    • Inventory
    • Effect list
  • Font rendering
    • Font loading
    • Basic coloring and font rendering
    • ChatComponent integration
    • Fix Monospace b089ffb4
    • Dark background 5ca9471a
    • Line breaks 4e7f300e
    • Bold, Italic and Obfuscated
    • Font outline (used in hotbar level)
    • Shadow
  • Improve Performance and memory usage: 8ffce5f5, d9b48cc8
  • Prepare in separate thread
  • Fix "half pixel bug" (affects all hud textures): bdb86e00, 9905173e
• Lighting
  • Network, Basic 93c1e32a
  • Calculate light by our self
  • Reading in old versions
  • Smooth lighting, occlusion
  • Cool light shader effect
• Physics
  • Send correct camera position
  • Collisions: bb8a8489
  • Real movement
  • Sprinting
  • Flying
  • Jumping
  • Potion modifiers
  • Correct velocity
  • Fluid, Soulsand, Slime, ... (jump and walk modifiers)
• Block breaking and placing
  • Improve raycasting
  • Show block outline
  • Break
  • Place
  • Implement all place/break game logic
  • Digging
    • Basics
    • Advanced
    • In/under Water
    • Tags
    • Pickaxe checks
• Sounds
  • Sound loading and basic API dc4c8f82, 21a7d685, 50430202, 4534304d
  • Sounds by packet 4534304d
  • Block sounds b4d04229
  • Entity sounds
  • Named sounds
  • Stop sounds
  • Streaming sounds
  • Music/Ambient
  • Categories
  • Disable sounds
  • GUI Sounds
• Biomes
  • Network 329f30f6
  • Correct colors d37b5042
  • Reading in old versions
  • Fuzzy noise Biomes (Voronoi) eaca291c
  • Fix foliage color for minecraft:swamp d0f063bf
  • Biome blending 130e0f2e, 91241194
  • Correct grass color for minecraft:swamp biome (uses noise too)
• Config
  • Hotkey config 14de7ff6
• Refactoring
  • Remove VersionValueMap 1ee051b1
  • Extract all data from PixLyzer / create default registries
• Other things:
  • Fog
  • Clouds
  • Skybox 250778e6
    • Correct sky color (with color transition)
    • Nether and End sky color
    • Daylight cycle
    • Atmosphere
    • Sun, Moon and stars e6f35564
  • Grass and flowers random offset c3c4981e
  • Correct lily pad rotation (coordinate seeded random block model) (see AbstractBlock.AbstractBlockState::getModelOffset)

Closes #4 (closed), #9 (closed)