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feat: add entity equipment, effects, and attributes to spawner #76

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5e87473
feat: add entity equipment, effects, and attributes to spawner
lonelyicer Dec 3, 2025
406f049
chore: apply suggestions
lonelyicer Dec 3, 2025
4acf354
feat: abyss spawner renderer
lonelyicer Dec 6, 2025
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65 changes: 65 additions & 0 deletions src/generated/resources/data/mia/mia/trial_spawner/example_equipped_zombie.json
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{
"base_mobs": 2,
"entity_tables": [
{
"attribute_modifiers": [
{
"amount": 0.5,
"attribute": "minecraft:generic.max_health",
"id": "mia:trial_spawner_health",
"operation": "add_multiplied_total"
}
],
"effects": [
{
"amplifier": 0,
"duration": -1,
"effect": "minecraft:fire_resistance"
}
],
"entity": "minecraft:zombie",
"equipment": {
"chest": "minecraft:iron_chestplate",
"head": "minecraft:iron_helmet",
"mainhand": "minecraft:diamond_sword"
},
"weight": 10
},
{
"attribute_modifiers": [
{
"amount": 2.0,
"attribute": "minecraft:generic.attack_damage",
"id": "mia:trial_spawner_damage",
"operation": "add_value"
}
],
"effects": [
{
"amplifier": 1,
"duration": -1,
"effect": "minecraft:speed"
}
],
"entity": "minecraft:skeleton",
"equipment": {
"head": "minecraft:chainmail_helmet",
"mainhand": "minecraft:bow"
},
"weight": 5
}
],
"loot_tables": [
{
"loot_table": "minecraft:chests/trial_chambers/reward_rare",
"weight": 10
},
{
"loot_table": "minecraft:chests/trial_chambers/reward_unique",
"weight": 3
}
],
"mobs_per_player": 1,
"spawn_per_tick": 1,
"spawn_range": 5
}
183 changes: 183 additions & 0 deletions src/main/java/com/altnoir/mia/block/entity/renderer/AbyssSpawnerRenderer.java
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package com.altnoir.mia.block.entity.renderer;

import com.altnoir.mia.block.entity.AbyssSpawnerBlockEntity;
import com.altnoir.mia.client.render.MiaRenderTypes;
import com.mojang.blaze3d.vertex.PoseStack;
import com.mojang.blaze3d.vertex.VertexConsumer;
import com.mojang.math.Axis;
import net.minecraft.client.renderer.LightTexture;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.blockentity.BlockEntityRenderer;
import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider;
import net.minecraft.util.FastColor;
import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;
import org.joml.Matrix4f;
import org.joml.Vector3f;

public class AbyssSpawnerRenderer implements BlockEntityRenderer<AbyssSpawnerBlockEntity> {
private static final int SPHERE_SEGMENTS = 16;
private static final int SPHERE_RINGS = 12;
private static final float BASE_RADIUS = 0.25f;

private static final int CORE_COLOR = FastColor.ARGB32.color(230, 80, 20, 120);
private static final int OUTER_COLOR = FastColor.ARGB32.color(180, 120, 60, 180);

public AbyssSpawnerRenderer(BlockEntityRendererProvider.Context context) {
}

@Override
public void render(AbyssSpawnerBlockEntity blockEntity, float partialTick, PoseStack poseStack, MultiBufferSource bufferSource, int packedLight, int packedOverlay) {
var level = blockEntity.getLevel();
if (level == null) {
return;
}

if (!blockEntity.hasValidPattern()) {
return;
}

var spawner = blockEntity.getAbyssSpawner();
float time = (level.getGameTime() + partialTick) * 0.05f;

poseStack.pushPose();
poseStack.translate(0.5, 0.5, 0.5);

double spin = Mth.lerp(partialTick, spawner.getOSpin(), spawner.getSpin());
poseStack.mulPose(Axis.YP.rotationDegrees((float) spin));

float bob = Mth.sin(time * 0.5f) * 0.05f;
poseStack.translate(0, bob, 0);

float pulse = 1.0f + Mth.sin(time * 2.0f) * 0.1f;
float radius = BASE_RADIUS * pulse;

renderDistortedSphere(poseStack, bufferSource, radius, time, packedLight);

poseStack.scale(1.3f, 1.3f, 1.3f);
renderGlowingSphere(poseStack, bufferSource, radius * 0.8f, time);

poseStack.popPose();
}

private void renderDistortedSphere(PoseStack poseStack, MultiBufferSource bufferSource, float radius, float time, int packedLight) {
VertexConsumer buffer = bufferSource.getBuffer(MiaRenderTypes.ABYSS_ORB);
Matrix4f matrix = poseStack.last().pose();

RandomSource random = RandomSource.create(42L);

for (int ring = 0; ring < SPHERE_RINGS; ring++) {
float theta1 = (float) Math.PI * ring / SPHERE_RINGS;
float theta2 = (float) Math.PI * (ring + 1) / SPHERE_RINGS;

for (int seg = 0; seg < SPHERE_SEGMENTS; seg++) {
float phi1 = 2.0f * (float) Math.PI * seg / SPHERE_SEGMENTS;
float phi2 = 2.0f * (float) Math.PI * (seg + 1) / SPHERE_SEGMENTS;

float distort1 = getDistortion(theta1, phi1, time, random);
float distort2 = getDistortion(theta2, phi1, time, random);
float distort3 = getDistortion(theta2, phi2, time, random);
float distort4 = getDistortion(theta1, phi2, time, random);

Vector3f p1 = spherePoint(theta1, phi1, radius * distort1);
Vector3f p2 = spherePoint(theta2, phi1, radius * distort2);
Vector3f p3 = spherePoint(theta2, phi2, radius * distort3);
Vector3f p4 = spherePoint(theta1, phi2, radius * distort4);

float v1 = (float) ring / SPHERE_RINGS;
float v2 = (float) (ring + 1) / SPHERE_RINGS;

int color1 = lerpColor(CORE_COLOR, OUTER_COLOR, v1);
int color2 = lerpColor(CORE_COLOR, OUTER_COLOR, v2);

addVertex(buffer, matrix, p1, color1, packedLight);
addVertex(buffer, matrix, p2, color2, packedLight);
addVertex(buffer, matrix, p3, color2, packedLight);

addVertex(buffer, matrix, p1, color1, packedLight);
addVertex(buffer, matrix, p3, color2, packedLight);
addVertex(buffer, matrix, p4, color1, packedLight);
}
}
}

private void renderGlowingSphere(PoseStack poseStack, MultiBufferSource bufferSource, float radius, float time) {
VertexConsumer buffer = bufferSource.getBuffer(MiaRenderTypes.ABYSS_ORB_GLOW);
Matrix4f matrix = poseStack.last().pose();

float glowPulse = Mth.sin(time * 3.0f) * 0.5f + 0.5f;
int glowAlpha = (int) (80 + glowPulse * 100);
int glowColor = FastColor.ARGB32.color(glowAlpha, 180, 80, 220);

for (int ring = 0; ring < SPHERE_RINGS / 2; ring++) {
float theta1 = (float) Math.PI * ring / (SPHERE_RINGS / 2);
float theta2 = (float) Math.PI * (ring + 1) / (SPHERE_RINGS / 2);

for (int seg = 0; seg < SPHERE_SEGMENTS / 2; seg++) {
float phi1 = 2.0f * (float) Math.PI * seg / (SPHERE_SEGMENTS / 2);
float phi2 = 2.0f * (float) Math.PI * (seg + 1) / (SPHERE_SEGMENTS / 2);

Vector3f p1 = spherePoint(theta1, phi1, radius);
Vector3f p2 = spherePoint(theta2, phi1, radius);
Vector3f p3 = spherePoint(theta2, phi2, radius);
Vector3f p4 = spherePoint(theta1, phi2, radius);

addVertex(buffer, matrix, p1, glowColor, LightTexture.FULL_BRIGHT);
addVertex(buffer, matrix, p2, glowColor, LightTexture.FULL_BRIGHT);
addVertex(buffer, matrix, p3, glowColor, LightTexture.FULL_BRIGHT);

addVertex(buffer, matrix, p1, glowColor, LightTexture.FULL_BRIGHT);
addVertex(buffer, matrix, p3, glowColor, LightTexture.FULL_BRIGHT);
addVertex(buffer, matrix, p4, glowColor, LightTexture.FULL_BRIGHT);
}
}
}

private float getDistortion(float theta, float phi, float time, RandomSource random) {
float noise = Mth.sin(theta * 5 + time) * Mth.cos(phi * 3 + time * 0.7f);
float secondary = Mth.sin(theta * 8 - time * 1.3f) * Mth.sin(phi * 6 + time * 0.5f);
return 1.0f + noise * 0.15f + secondary * 0.08f;
}

private Vector3f spherePoint(float theta, float phi, float radius) {
float x = radius * Mth.sin(theta) * Mth.cos(phi);
float y = radius * Mth.cos(theta);
float z = radius * Mth.sin(theta) * Mth.sin(phi);
return new Vector3f(x, y, z);
}

private void addVertex(VertexConsumer buffer, Matrix4f matrix, Vector3f pos, int color, int light) {
buffer.addVertex(matrix, pos.x, pos.y, pos.z)
.setColor(color)
.setLight(light);
}

private int lerpColor(int color1, int color2, float t) {
int a1 = FastColor.ARGB32.alpha(color1);
int r1 = FastColor.ARGB32.red(color1);
int g1 = FastColor.ARGB32.green(color1);
int b1 = FastColor.ARGB32.blue(color1);

int a2 = FastColor.ARGB32.alpha(color2);
int r2 = FastColor.ARGB32.red(color2);
int g2 = FastColor.ARGB32.green(color2);
int b2 = FastColor.ARGB32.blue(color2);

int a = (int) Mth.lerp(t, a1, a2);
int r = (int) Mth.lerp(t, r1, r2);
int g = (int) Mth.lerp(t, g1, g2);
int b = (int) Mth.lerp(t, b1, b2);

return FastColor.ARGB32.color(a, r, g, b);
}

@Override
public boolean shouldRenderOffScreen(AbyssSpawnerBlockEntity blockEntity) {
return true;
}

@Override
public int getViewDistance() {
return 64;
}
}
2 changes: 2 additions & 0 deletions src/main/java/com/altnoir/mia/client/event/RegisterEntityRendererEvent.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package com.altnoir.mia.client.event;

import com.altnoir.mia.block.entity.renderer.AbyssSpawnerRenderer;
import com.altnoir.mia.block.entity.renderer.EndlessCupBlockRenderer;
import com.altnoir.mia.block.entity.renderer.PedestalBlockRenderer;
import com.altnoir.mia.block.entity.renderer.SunStoneBlockRenderer;
Expand All @@ -14,5 +15,6 @@ public static void registerEntityRenderers(EntityRenderersEvent.RegisterRenderer
event.registerBlockEntityRenderer(MiaBlockEntities.PEDESTAL.get(), PedestalBlockRenderer::new);
event.registerBlockEntityRenderer(MiaBlockEntities.ENDLESS_CUP_BLOCK_ENTITY.get(), EndlessCupBlockRenderer::new);
event.registerBlockEntityRenderer(MiaBlockEntities.SUN_STONE_BLOCK_ENTITY.get(), SunStoneBlockRenderer::new);
event.registerBlockEntityRenderer(MiaBlockEntities.ABYSS_SPAWNER.get(), AbyssSpawnerRenderer::new);
}
}
44 changes: 44 additions & 0 deletions src/main/java/com/altnoir/mia/client/render/MiaRenderTypes.java
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package com.altnoir.mia.client.render;

import com.mojang.blaze3d.vertex.DefaultVertexFormat;
import com.mojang.blaze3d.vertex.VertexFormat;
import net.minecraft.client.renderer.RenderType;

public class MiaRenderTypes extends RenderType {

public MiaRenderTypes(String name, VertexFormat format, VertexFormat.Mode mode, int bufferSize, boolean affectsCrumbling, boolean sortOnUpload, Runnable setupState, Runnable clearState) {
super(name, format, mode, bufferSize, affectsCrumbling, sortOnUpload, setupState, clearState);
}

public static final RenderType ABYSS_ORB = create(
"mia_abyss_orb",
DefaultVertexFormat.POSITION_COLOR_LIGHTMAP,
VertexFormat.Mode.TRIANGLES,
1536,
false,
true,
CompositeState.builder()
.setShaderState(POSITION_COLOR_LIGHTMAP_SHADER)
.setTransparencyState(TRANSLUCENT_TRANSPARENCY)
.setWriteMaskState(COLOR_DEPTH_WRITE)
.setCullState(NO_CULL)
.setDepthTestState(LEQUAL_DEPTH_TEST)
.createCompositeState(false)
);

public static final RenderType ABYSS_ORB_GLOW = create(
"mia_abyss_orb_glow",
DefaultVertexFormat.POSITION_COLOR_LIGHTMAP,
VertexFormat.Mode.TRIANGLES,
1536,
false,
true,
CompositeState.builder()
.setShaderState(POSITION_COLOR_LIGHTMAP_SHADER)
.setTransparencyState(ADDITIVE_TRANSPARENCY)
.setWriteMaskState(COLOR_WRITE)
.setCullState(NO_CULL)
.setDepthTestState(LEQUAL_DEPTH_TEST)
.createCompositeState(false)
);
}
43 changes: 30 additions & 13 deletions src/main/java/com/altnoir/mia/core/spawner/AbyssTrialSpawner.java
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Original file line number Diff line number Diff line change
Expand Up @@ -243,7 +243,8 @@ private boolean trySpawnMob(ServerLevel level, BlockPos pos, AbyssTrialSpawnerPa
return false;
}

var entityType = selectedEntity.get().getEntityType();
var entityInstance = selectedEntity.get();
var entityType = entityInstance.getEntityType();

int range = pattern.spawnRange();
for (int attempts = 0; attempts < 20; attempts++) {
Expand All @@ -258,6 +259,8 @@ private boolean trySpawnMob(ServerLevel level, BlockPos pos, AbyssTrialSpawnerPa
if (entity != null) {
if (entity instanceof Mob mob) {
mob.finalizeSpawn(level, level.getCurrentDifficultyAt(spawnPos), MobSpawnType.TRIAL_SPAWNER, null);

applyEntityConfiguration(mob, entityInstance);
}

level.addFreshEntity(entity);
Expand All @@ -280,6 +283,32 @@ private boolean trySpawnMob(ServerLevel level, BlockPos pos, AbyssTrialSpawnerPa
return false;
}

private void applyEntityConfiguration(Mob mob, EntityTableInstance entityInstance) {
if (entityInstance.hasEquipment()) {
for (var entry : entityInstance.getEquipment().entrySet()) {
mob.setItemSlot(entry.getKey(), entry.getValue().copy());
mob.setDropChance(entry.getKey(), 0.0F);
}
}

if (entityInstance.hasEffects()) {
for (var effect : entityInstance.getEffects()) {
mob.addEffect(new net.minecraft.world.effect.MobEffectInstance(effect));
}
}

if (entityInstance.hasAttributeModifiers()) {
for (var entry : entityInstance.getAttributeModifiers().entrySet()) {
var attributeInstance = mob.getAttribute(entry.getKey());
if (attributeInstance != null) {
attributeInstance.addPermanentModifier(entry.getValue());
}
}
// Ensure mob's health matches new max health after modifiers
mob.setHealth(mob.getMaxHealth());
}
}

private void collectRewardsForPlayer(ServerLevel level, BlockPos pos, Player player, AbyssTrialSpawnerPattern pattern) {
var selectedLoot = WeightedRandom.getRandomItem(this.random, pattern.lootTables().unwrap());
if (selectedLoot.isEmpty()) {
Expand Down Expand Up @@ -426,18 +455,6 @@ public double getOSpin() {
return this.oSpin;
}

@Nullable
public Entity getOrCreateDisplayEntity(Level level, BlockPos pos) {
if (this.displayEntity == null && hasValidPattern() && level instanceof ServerLevel serverLevel) {
var pattern = getPattern();
var selected = WeightedRandom.getRandomItem(this.random, pattern.entityTables().unwrap());
if (selected.isPresent()) {
this.displayEntity = selected.get().getEntityType().create(serverLevel, null, pos, MobSpawnType.TRIAL_SPAWNER, false, false);
}
}
return this.displayEntity;
}

public interface StateAccessor {
TrialSpawnerState getState();
void setState(Level level, TrialSpawnerState state);
Expand Down
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