ability selection hud

Author: mrsterner

Diff for: src/main/kotlin/dev/sterner/client/screen/ItemAbilityScreen.kt

@@ -1,8 +1,11 @@
 package dev.sterner.client.screen
 
+import com.mojang.blaze3d.systems.RenderSystem
+import dev.sterner.VoidBound
 import dev.sterner.api.VoidBoundApi
 import dev.sterner.api.item.ItemAbility
 import net.minecraft.client.Minecraft
+import net.minecraft.client.gui.GuiGraphics
 import net.minecraft.client.gui.screens.Screen
 import net.minecraft.network.chat.Component
 import net.minecraft.world.item.ItemStack
@@ -27,8 +30,8 @@ class ItemAbilityScreen(stack: ItemStack) : Screen(Component.literal("Ability Se
         selection = 0
         initialized = false
 
-        w = max((abilities!!.size * 50 + 30).toDouble(), 220.0).toInt()
-        h = 30
+        w = 180
+        h = 37
     }
 
     fun cycle(direction: Int) {
@@ -38,9 +41,80 @@ class ItemAbilityScreen(stack: ItemStack) : Screen(Component.literal("Ability Se
 
     fun update() {
         if (focus) {
-            yOffset += (40 - yOffset) * .1f
+            yOffset += (85 - yOffset) * .1f
         } else {
             yOffset *= .9f
         }
     }
+
+    fun render(guiGraphics: GuiGraphics, partialTick: Float) {
+
+        if (abilities == null) {
+            return
+        }
+
+        val matrixStack = guiGraphics.pose()
+        val mainWindow = minecraft!!.window
+        val x = (mainWindow.guiScaledWidth - w) / 2 + 15
+        val y = mainWindow.guiScaledHeight - h + 20
+
+        matrixStack.pushPose()
+        matrixStack.translate(0f, 20 - yOffset, (if (focus) 100 else 0).toFloat())
+
+        val gray = VoidBound.id("textures/gui/ability_selection.png")
+        RenderSystem.enableBlend()
+        RenderSystem.setShaderColor(1f, 1f, 1f, if (focus) 7 / 8f else 0f)
+
+        guiGraphics.blit(
+            gray,
+            x - 15,
+            y,
+           0f,
+            0f,
+            w,
+            h,
+            256,
+           256
+        )
+
+        val abilityWidth = 50  // Width of one ability + some space
+        val totalWidth = abilities!!.size * abilityWidth
+
+        val startX = (mainWindow.guiScaledWidth - totalWidth) / 2
+
+        for (i in abilities!!.indices) {
+            RenderSystem.enableBlend()
+            matrixStack.pushPose()
+
+            val alpha = if (focus) 1f else 0.2f
+
+            if (i == selection) {
+                matrixStack.translate(0f, -10f, 0f)
+            } else {
+                matrixStack.translate(0f, -5f, 0f)
+            }
+
+            RenderSystem.setShaderColor(1f, 1f, 1f, alpha)
+
+            val abilityX = startX + i * abilityWidth
+
+            if (i == selection) {
+                guiGraphics.drawCenteredString(
+                    minecraft!!.font,
+                    abilities!![i].name.lowercase().replaceFirstChar { it.uppercase() },
+                    abilityX + 24,
+                    y + 32,
+                    0xDDCCFF
+                )
+            }
+
+            val texture = VoidBound.id("textures/gui/" + abilities!![i].name.lowercase() + ".png")
+            guiGraphics.blit(texture, abilityX + 16, y + 16, 0, 0f, 0f, 16, 16, 16, 16)
+
+            matrixStack.popPose()
+        }
+
+        RenderSystem.disableBlend()
+        matrixStack.popPose()
+    }
 }

Diff for: src/main/kotlin/dev/sterner/common/ItemAbilityHandler.kt

@@ -3,6 +3,8 @@ package dev.sterner.common
 import dev.sterner.api.item.ItemAbility
 import dev.sterner.client.screen.ItemAbilityScreen
 import net.minecraft.client.Minecraft
+import net.minecraft.client.gui.GuiGraphics
+import net.minecraft.client.player.LocalPlayer
 import net.minecraft.world.item.ItemStack
 import net.minecraft.world.level.GameType
 import org.lwjgl.glfw.GLFW
@@ -28,17 +30,31 @@ class ItemAbilityHandler {
             active = false
             return
         }
+        init(player)
         if (!active) {
             return
         }
 
         selectionScreen.update()
     }
 
+    fun render(graphics: GuiGraphics, partialTicks: Float, width: Int, height: Int) {
+        if (Minecraft.getInstance().options.hideGui || !active) {
+            return
+        }
+
+        selectionScreen.render(graphics, partialTicks)
+    }
+
+    private fun init(player: LocalPlayer?) {
+        active = true
+    }
+
     fun onKeyInput(key: Int, pressed: Boolean) {
         if (!active) {
             return
         }
+
         if (key != GLFW.GLFW_KEY_LEFT_ALT) {
             return
         }

Diff for: src/main/kotlin/dev/sterner/registry/VoidBoundEvents.kt

@@ -12,7 +12,6 @@ import dev.sterner.common.components.VoidBoundWorldComponent
 import dev.sterner.common.item.tool.TidecutterItem
 import dev.sterner.common.item.tool.UpgradableTool
 import io.github.fabricators_of_create.porting_lib.event.common.BlockEvents
-import io.github.fabricators_of_create.porting_lib.event.common.BlockEvents.BlockBreak
 import net.fabricmc.api.EnvType
 import net.fabricmc.api.Environment
 import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents
@@ -21,7 +20,8 @@ import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderEvents
 import net.fabricmc.fabric.api.event.player.UseBlockCallback
 import net.fabricmc.fabric.api.event.player.UseEntityCallback
 import net.fabricmc.fabric.api.item.v1.ModifyItemAttributeModifiersCallback
-import net.fabricmc.fabric.api.loot.v2.LootTableEvents
+import net.minecraft.client.Minecraft
+import net.minecraft.client.gui.GuiGraphics
 import net.minecraft.server.level.ServerLevel
 import net.minecraft.world.entity.EquipmentSlot
 import net.minecraft.world.entity.ai.attributes.Attribute
@@ -31,9 +31,7 @@ import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.crafting.RecipeType
 import net.minecraft.world.item.crafting.SmeltingRecipe
 import net.minecraft.world.level.block.Block
-import net.minecraft.world.level.block.entity.FurnaceBlockEntity
 import java.util.*
-import io.github.fabricators_of_create.porting_lib.loot.LootModifier;
 
 
 object VoidBoundEvents {
@@ -125,5 +123,9 @@ object VoidBoundEvents {
         ClientTickEvents.END_CLIENT_TICK.register{
             VoidBoundClient.ITEM_ABILITY_HANDLER.tick()
         }
+        HudRenderCallback.EVENT.register(HudRenderCallback { graphics: GuiGraphics, partialTicks: Float ->
+            val window = Minecraft.getInstance().window
+            VoidBoundClient.ITEM_ABILITY_HANDLER.render(graphics, partialTicks, window.width, window.height)
+        })
     }
 }