# convertation 1.21.1

# DungeonHotbar Conversion: Minecraft 1.21+ → 1.20.1 Fabric ## Core API Changes | 1.21+ | 1.20.1 | |-------|--------| | `Identifier.of("mod", "path")` | `new Identifier("mod", "path")` | | `RenderPipelines.GUI_TEXTURED` | `RenderSystem.setShader(GameRenderer::getPositionTexProgram)` | | `HudElementRegistry.replaceElement()` | `HudRenderCallback.EVENT` + mixins | | `drawStackOverlay()` | `drawItemInSlot()` | | `getSelectedSlot()` | `selectedSlot` (field) | | `EntityAttributes.JUMP_STRENGTH` | `EntityAttributes.HORSE_JUMP_STRENGTH` | ## MatrixStack Methods | 1.21+ | 1.20.1 | |-------|--------| | `pushMatrix()` | `push()` | | `popMatrix()` | `pop()` | | `translate(x, y)` | `translate(x, y, 0)` | | `scale(x, y)` | `scale(x, y, 1.0f)` | ## drawTexture() Signature | 1.21+ | 1.20.1 | |-------|--------| | 11 params (with RenderPipeline + UV region) | 8 params: `drawTexture(tex, x, y, u, v, w, h, texW, texH)` | | UV cropping from spritesheet | Full texture via `scale()` | ## Textures | 1.21+ | 1.20.1 | |-------|--------| | Spritesheets (`widgets.png`, `icons.png`) | Separate files (`dungeon_hotbar.png`, `icon_water.png`, ...) | | UV: `u1,v1,u2,v2` | UV: `0,0` — whole texture | ## HUD Registration | 1.21+ | 1.20.1 | |-------|--------| | `HudElementRegistry.replaceElement(VanillaHudElements.HOTBAR, ...)` | `HudRenderCallback.EVENT.register(...)` | | Hide vanilla elements via replacement | Hide via `@Inject(..., cancellable = true)` + `ci.cancel()` | ## Progress Bars | Parameter | Before (1.21+) | After (1.20.1) | |-----------|---------------|-----------------| | Water icon | Index 0 (air) | Index 3 (icon_water) | | Jump icon | None | Index 4 (icon_health_mount) | | Level text | Above bar | Left side, same line | | Jump text | Above bar | Left side, same line | | Water bar visibility | Always | Only underwater (`player.getAir() < player.getMaxAir()`) | | Bar height | 2px (Scale1) / 1px | 2px (Scale1) / 1px | ## Stat Icons (HP, Armor, Food, Mount) | Parameter | Before | After | |-----------|--------|-------| | Position | Next to text | Above text, centered | | Size | Fixed | Configurable (`ICON_SIZE`, `ICON_OFFSET_Y`) | ## Mixins (InGameHudMixin) Cancel vanilla rendering for: - `renderHotbar(float, DrawContext, CallbackInfo)` — hotbar - `renderStatusBars(DrawContext, CallbackInfo)` — health bars - `renderExperienceBar(DrawContext, int, CallbackInfo)` — experience - `renderStatusEffectOverlay(DrawContext, CallbackInfo)` — effects - `renderMountHealth(DrawContext, CallbackInfo)` — mount health - `renderHeldItemTooltip(DrawContext, CallbackInfo)` — item name ## File Structure (20 classes)

### Fixing UI import 1.21.10

### Fix UI is Creative & icon water Y fix

# Porting 26.1

# porting 26.1.1

- fixing offhand

## Porting 26.1.2 Fabric - ✅ re-balance hotbar - ✅ fixing water bar - ✅ fixing hp txt - ✅ fixing display hp mount/hp txt - 🔜 I will update the visibility of items later - 🔜 I will do the Forge import later

Updating 1.21.10 - scaling 1,2,3,4 fixing

# Adding ## Scale 1 add fix scale texture and postions; ## Scale 2 add fix scale texture and postions; ## Scale 3 add fix scale texture and postions; ## Scale 4 add fix scale texture and postions;