christmas chest textures (24-26 december, chests and trapped chests, local_time item models, pixelpics.testDate test property), chest items from the item definition texture, shield banner patterns, item displays turned 180° like vanilla, dropped item lift from the ground model bounds, baby held-item offset, map decorations on framed vanilla maps (banners, frames, markers; none on photo maps), inverted block elements in items and displays (spawner, vault inner faces), deterministic test scenes, items/xmas/marker test scenes

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/BlockEntityModels.java

@@ -1,5 +1,6 @@
 package eu.mhsl.minecraft.pixelpics.render.entity;
 
+import eu.mhsl.minecraft.pixelpics.render.util.SpecialDates;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
@@ -237,13 +238,18 @@ public final class BlockEntityModels {
         return s.chestKind() == null ? BlockEntityState.ChestKind.SINGLE : s.chestKind();
     }
 
+    /**
+     * ChestRenderer.getChestMaterial + Sheets.chooseSprite: copper by stage, ender, CHRISTMAS for regular AND
+     * trapped chests between 24 and 26 December ({@link SpecialDates#isExtendedChristmas}), else normal/trapped.
+     */
     private static List<String> chestTextures(BlockEntityState s) {
+        boolean xmas = SpecialDates.isExtendedChristmas();
         String base =
                 switch (s.kind()) {
-                    case TRAPPED_CHEST -> "trapped";
+                    case TRAPPED_CHEST -> xmas ? "christmas" : "trapped";
                     case ENDER_CHEST -> "ender";
                     case COPPER_CHEST -> s.colorName() == null ? "copper" : "copper_" + s.colorName();
-                    default -> "normal";
+                    default -> xmas ? "christmas" : "normal";
                 };
         if (s.kind() == BlockEntityState.Kind.ENDER_CHEST) return List.of("entity/chest/ender");
         return switch (chestKind(s)) {

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/DecorationBaker.java

@@ -100,6 +100,7 @@ public final class DecorationBaker implements EntityBaker<DecorationState> {
             faces[Direction.NORTH.ordinal()] = new Face(s.mapPixels(), 1, 1, 0, 0, 0, -1);
             faces[Direction.SOUTH.ordinal()] = new Face(s.mapPixels(), 0, 1, 1, 0, 0, -1);
             cubes.add(new EntityCube(new double[] {0, 0, -0.01}, new double[] {128, 128, -0.01}, faces, m));
+            addMapMarkers(s, m, cubes);
         } else if (s.item() != null && items != null) {
             Affine m =
                     content.mul(Affine.rotZ(Math.toRadians(s.rotation() * 45))).mul(Affine.scale(0.5));
@@ -108,6 +109,31 @@ public final class DecorationBaker implements EntityBaker<DecorationState> {
         return cubes.isEmpty() ? null : RenderedEntity.of(cubes);
     }
 
+    /**
+     * MapRenderer decorations (only those shown on frames, see {@code MapPixels.markers}): in map pixel space
+     * {@code T(x/2 + 64, y/2 + 64, -0.02)·rotZ(rot·22.5°)·S(4, 4, 3)·T(-0.125, 0.125, 0)}, the sprite quad
+     * (-1,1)..(1,-1) at z = n·-0.001 (n-th drawn decoration), {@code map/decorations/<asset>} with v0 at +y.
+     */
+    private void addMapMarkers(DecorationState s, Affine map, List<EntityCube> cubes) {
+        int count = 0;
+        for (DecorationState.MapMarker mk : s.mapMarkers()) {
+            int[][] sprite = textures.get(ResourceLocation.parse("map/decorations/" + mk.asset()))
+                    .orElse(null);
+            if (sprite != null) {
+                Affine m = map.mul(Affine.translation(mk.x() / 2.0 + 64, mk.y() / 2.0 + 64, -0.02))
+                        .mul(Affine.rotZ(Math.toRadians(mk.rot() * 360 / 16.0)))
+                        .mul(Affine.scale(4, 4, 3))
+                        .mul(Affine.translation(-0.125, 0.125, 0));
+                double z = count * -0.001;
+                Face[] faces = new Face[6];
+                faces[Direction.SOUTH.ordinal()] = new Face(sprite, 0, 0, 1, 1, 0, -1);
+                faces[Direction.NORTH.ordinal()] = new Face(sprite, 1, 0, 0, 1, 0, -1);
+                cubes.add(new EntityCube(new double[] {-1, -1, z}, new double[] {1, 1, z}, faces, m));
+            }
+            count++;
+        }
+    }
+
     /** Vanilla Direction#toYRot for horizontal facings (south 0, west 90, north 180, east 270). */
     private static double yRot(DecorationState.Facing f) {
         return switch (f) {

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/DecorationState.java

@@ -1,5 +1,7 @@
 package eu.mhsl.minecraft.pixelpics.render.entity;
 
+import java.util.List;
+
 /**
  * Immutable snapshot of a flat wall decoration (painting or item frame). These are Bukkit
  * {@code Hanging} entities, not block-entities, but render as flat textured quads rather than CEM
@@ -21,8 +23,50 @@ public record DecorationState(
         int[][] mapPixels, // framed map's 128x128 ARGB colours (row-major [y][x]); null if not a map with data
         int rotation, // item-frame content rotation in 45° steps (0..7, vanilla ItemFrame#getRotation)
         boolean glow, // glow item frame
-        boolean invisible // invisible frame (setVisible(false)): no frame model, item sits on the wall
+        boolean invisible, // invisible frame (setVisible(false)): no frame model, item sits on the wall
+        List<MapMarker> mapMarkers // framed map's decorations shown on item frames (banners, frames, …); may be empty
         ) {
+
+    /** The layout without map markers (paintings, frames without a map or with an undecorated one). */
+    public DecorationState(
+            Kind kind,
+            double minX,
+            double minY,
+            double minZ,
+            double maxX,
+            double maxY,
+            double maxZ,
+            Facing facing,
+            String paintingArt,
+            ItemSpec item,
+            int[][] mapPixels,
+            int rotation,
+            boolean glow,
+            boolean invisible) {
+        this(
+                kind,
+                minX,
+                minY,
+                minZ,
+                maxX,
+                maxY,
+                maxZ,
+                facing,
+                paintingArt,
+                item,
+                mapPixels,
+                rotation,
+                glow,
+                invisible,
+                List.of());
+    }
+
+    /**
+     * One map decoration (vanilla MapDecoration): sprite {@code map/decorations/<asset>}, position in half map
+     * pixels from the centre ({@code x}, {@code y} in -128..127), rotation in 16ths of a full turn.
+     */
+    public record MapMarker(String asset, int x, int y, int rot) {}
+
     public enum Kind {
         PAINTING,
         ITEM_FRAME

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/EntityCube.java

@@ -15,6 +15,9 @@ public final class EntityCube {
     public final Affine toLocal; // inverse
     public final boolean additive; // emissive, added to what lies behind (energy swirl) instead of blended
     public final boolean unshaded; // no directional face shading (vanilla NO_CARDINAL_LIGHTING: eyes, breeze wind)
+    // Block-model element with from > to on some axis (spawner/vault inner faces): its faces point INTO the box
+    // and are back-face culled like vanilla quads (see EntityIntersector); mirrored = toWorld flips handedness.
+    public final boolean inverted, mirrored;
     public final double[] aabbMin = {Double.MAX_VALUE, Double.MAX_VALUE, Double.MAX_VALUE};
     public final double[] aabbMax = {-Double.MAX_VALUE, -Double.MAX_VALUE, -Double.MAX_VALUE};
 
@@ -34,6 +37,12 @@ public final class EntityCube {
         this.faces = faces;
         this.toWorld = toWorld;
         this.toLocal = toWorld.inverse();
+        this.inverted = from[0] > to[0] || from[1] > to[1] || from[2] > to[2];
+        double[] r = toWorld.r;
+        double det = r[0] * (r[4] * r[8] - r[5] * r[7])
+                - r[1] * (r[3] * r[8] - r[5] * r[6])
+                + r[2] * (r[3] * r[7] - r[4] * r[6]);
+        this.mirrored = det < 0;
         for (int i = 0; i < 8; i++) {
             double x = (i & 1) == 0 ? from[0] : to[0];
             double y = (i & 2) == 0 ? from[1] : to[1];

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/EntityIntersector.java

@@ -17,6 +17,7 @@ import org.bukkit.util.Vector;
 public final class EntityIntersector {
 
     private static final double EPS = 1e-7;
+    private static final Direction[] DIRECTIONS = Direction.values();
 
     private EntityIntersector() {}
 
@@ -55,6 +56,7 @@ public final class EntityIntersector {
         d[1] = r[3] * dx + r[4] * dy + r[5] * dz;
         d[2] = r[6] * dx + r[7] * dy + r[8] * dz;
         double[] from = cube.from, to = cube.to;
+        if (cube.inverted) return intersectInverted(cube, o, d, Math.max(EPS, minT), maxT, out);
 
         double tmin = Double.NEGATIVE_INFINITY, tmax = Double.POSITIVE_INFINITY;
         int inAxis = -1, outAxis = -1;
@@ -110,6 +112,53 @@ public final class EntityIntersector {
         return true;
     }
 
+    /**
+     * A block-model element with {@code from > to} on some axis (spawner/vault/trial-spawner inner faces) baked as
+     * an item or display: like {@code ElementIntersector.invertedBox}, vanilla puts the WEST/DOWN/NORTH face at
+     * {@code from} and EAST/UP/SOUTH at {@code to} of its axis, and each inverted OTHER axis mirrors the quad and
+     * flips its winding — the faces point into the box and are back-face culled (seen through the cage: the far
+     * wall's inside). Nearest visible opaque face in {@code (lo, maxT]} wins; UVs follow the mirrored corners.
+     */
+    private static boolean intersectInverted(EntityCube cube, double[] o, double[] d, double lo, double maxT, Hit out) {
+        double[] from = cube.from, to = cube.to;
+        double best = Double.POSITIVE_INFINITY;
+        for (Direction dir : DIRECTIONS) {
+            int a = dir.nx != 0 ? 0 : dir.ny != 0 ? 1 : 2;
+            if (Math.abs(d[a]) < EPS) continue;
+            boolean neg = dir.nx + dir.ny + dir.nz < 0;
+            int b = (a + 1) % 3, c = (a + 2) % 3;
+            int flips = (from[b] > to[b] ? 1 : 0) + (from[c] > to[c] ? 1 : 0);
+            double sign = (neg ? -1 : 1) * (flips % 2 == 0 ? 1 : -1) * (cube.mirrored ? -1 : 1);
+            if (sign * d[a] >= 0) continue; // back face
+            double t = ((neg ? from[a] : to[a]) - o[a]) / d[a];
+            if (!(t > lo) || t > maxT || t >= best) continue;
+            double pb = o[b] + d[b] * t, pc = o[c] + d[c] * t;
+            if (pb < Math.min(from[b], to[b]) - EPS || pb > Math.max(from[b], to[b]) + EPS) continue;
+            if (pc < Math.min(from[c], to[c]) - EPS || pc > Math.max(from[c], to[c]) + EPS) continue;
+            Face face = cube.faces[dir.ordinal()];
+            if (face == null) continue;
+            double fx = signedFrac(o[0] + d[0] * t, from[0], to[0]);
+            double fy = signedFrac(o[1] + d[1] * t, from[1], to[1]);
+            double fz = signedFrac(o[2] + d[2] * t, from[2], to[2]);
+            int color = face.sample(ElementIntersector.faceS(dir, fx, fy, fz), ElementIntersector.faceT(dir, fy, fz));
+            if (!ColorUtil.opaque(color)) continue;
+            best = t;
+            out.t = t;
+            out.color = color;
+            out.axis = a;
+            out.neg = neg;
+        }
+        return best < Double.POSITIVE_INFINITY;
+    }
+
+    /** Position between {@code from} (0) and {@code to} (1), also when {@code from > to}; clamped to 0..1. */
+    private static double signedFrac(double v, double from, double to) {
+        double span = to - from;
+        if (Math.abs(span) < 1e-9) return 0;
+        double f = (v - from) / span;
+        return f < 0 ? 0 : Math.min(f, 1);
+    }
+
     /** The result object for a hit of {@code cube} recorded by {@link #intersect} (world point + normal). */
     public static FaceHit toFaceHit(
             EntityCube cube, Hit h, double ox, double oy, double oz, double dx, double dy, double dz) {

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/ObjectBaker.java

@@ -43,7 +43,10 @@ public final class ObjectBaker implements EntityBaker<ObjectState> {
             case ITEM -> {
                 Affine at = s.toWorld();
                 if (s.dropped()) {
-                    double lift = 0.1 + 0.25 * items.displayScaleY(s.item(), s.context());
+                    // ItemEntityRenderer: T(0, bob + 0.0625 - modelBox.minY), bob = sin(age/10 + offset)·0.1 + 0.1
+                    // frozen at phase 0: the ground model's lowest point floats 0.1625 above the entity position.
+                    double[] box = items.modelBounds(s.item(), s.context());
+                    double lift = 0.1 + 0.0625 - (box == null ? 0 : box[1]);
                     at = Affine.translation(0, lift, 0).mul(at);
                 }
                 items.bake(s.item(), s.context(), false, at, cubes);

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/cem/BlockEntityBaker.java

@@ -424,18 +424,28 @@ public final class BlockEntityBaker implements EntityBaker<BlockEntityState> {
      * (one geometry, no coplanar layers).
      */
     private int[][] bannerFlag(int[][] base, BlockEntityState s) {
-        int baseColor = s.baseColorArgb();
-        List<BlockEntityState.BannerPattern> patterns = List.copyOf(s.patterns());
-        return derived.get(
-                DerivedTextureCache.key("banner", base, baseColor, patterns),
-                () -> buildBannerFlag(base, baseColor, patterns));
+        return patterned(base, "entity/banner/", s.baseColorArgb(), s.patterns());
     }
 
-    private int[][] buildBannerFlag(int[][] base, int baseColor, List<BlockEntityState.BannerPattern> patterns) {
+    /**
+     * BannerRenderer.submitPatterns composited into one texture: {@code base} (banner_base / shield_base), the
+     * {@code <dir>base} mask dyed with {@code baseColor} (0 = none), then the first 16 pattern masks
+     * ({@code <dir><key>}) dyed with their colours. {@code dir} = {@code entity/banner/} or {@code entity/shield/}
+     * (shields, ShieldSpecialRenderer). Cached per input.
+     */
+    public int[][] patterned(int[][] base, String dir, int baseColor, List<BlockEntityState.BannerPattern> patterns) {
+        List<BlockEntityState.BannerPattern> pats = List.copyOf(patterns.subList(0, Math.min(16, patterns.size())));
+        return derived.get(
+                DerivedTextureCache.key("banner", base, dir, baseColor, pats),
+                () -> buildPatterned(base, dir, baseColor, pats));
+    }
+
+    private int[][] buildPatterned(
+            int[][] base, String dir, int baseColor, List<BlockEntityState.BannerPattern> patterns) {
         int[][] out = TextureOps.deepCopy(base);
-        if (baseColor != 0) overlayMask(out, "entity/banner/base", baseColor);
+        if (baseColor != 0) overlayMask(out, dir + "base", baseColor);
         for (BlockEntityState.BannerPattern pat : patterns) {
-            overlayMask(out, "entity/banner/" + pat.patternKey(), pat.colorArgb());
+            overlayMask(out, dir + pat.patternKey(), pat.colorArgb());
         }
         return out;
     }

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/cem/CemBaker.java

@@ -405,7 +405,8 @@ public final class CemBaker implements EntityBaker<EntityState> {
     }
 
     /**
-     * Held items (vanilla ItemInHandLayer: hand frame · rotX(-90) · rotY(180) · T(±1/16, 0.125, -0.625),
+     * Held items (vanilla ItemInHandLayer: hand frame · rotX(-90) · rotY(180) · T(±1/16, 0.125, -0.625), babies
+     * T(0, 1/16, -4.5/16),
      * third-person display context), crossed-arms items (villagers/witches: root · T(0, 0.4, -0.4) ·
      * rotX(180), ground context) and head items (CustomHeadLayer: blocks/items at 0.625 with the "head"
      * context, skulls at 1.1875 through the block-entity model). Frames are Java-model frames (blocks).
@@ -421,10 +422,15 @@ public final class CemBaker implements EntityBaker<EntityState> {
             if (item == null) continue;
             Affine arm = frames.get(left ? "left_arm" : "right_arm");
             if (arm != null && !crossed && !(illager && !frames.containsKey(d + "right_arm"))) {
+                // ItemInHandLayer.useBabyOffset (babies except armor stands): (0, 1, -4.5) px instead of (±1, 2, -10).
+                boolean babyOffset = s.baby() && !s.typeKey().equals("armor_stand");
                 Affine x = arm.mul(CemGeometry.JAVA_LOCAL)
                         .mul(Affine.rotX(Math.toRadians(-90)))
                         .mul(Affine.rotY(Math.PI))
-                        .mul(Affine.translation((left ? -1 : 1) / 16.0, 0.125, -0.625));
+                        .mul(
+                                babyOffset
+                                        ? Affine.translation(0, 1 / 16.0, -4.5 / 16)
+                                        : Affine.translation((left ? -1 : 1) / 16.0, 0.125, -0.625));
                 items.bake(item, left ? "thirdperson_lefthand" : "thirdperson_righthand", left, x, out);
             } else if (crossed && !left && frames.containsKey("root")) {
                 Affine x = frames.get("root")

src/main/java/eu/mhsl/minecraft/pixelpics/render/entity/cem/ItemGeometry.java

@@ -22,14 +22,21 @@ import eu.mhsl.minecraft.pixelpics.render.entity.TextureOps;
 import eu.mhsl.minecraft.pixelpics.render.tint.BiomeTint;
 import eu.mhsl.minecraft.pixelpics.render.tint.TintResolver;
 import eu.mhsl.minecraft.pixelpics.render.util.ColorUtil;
+import eu.mhsl.minecraft.pixelpics.render.util.SpecialDates;
+import java.text.SimpleDateFormat;
+import java.time.ZonedDateTime;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.IdentityHashMap;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
+import java.util.TimeZone;
 import java.util.concurrent.ConcurrentHashMap;
+import org.bukkit.DyeColor;
 import org.bukkit.block.data.BlockData;
 
 /**
@@ -77,6 +84,7 @@ public final class ItemGeometry {
             List<String> layers, // generated-item layer textures (layer0, layer1, …); empty if not generated
             List<Integer> tints, // ARGB per layer (0 = none)
             String special, // special model type ("shield", "trident", "chest", "head", …) or null
+            JsonObject specialModel, // the special model's own fields (chest texture/chest_type, …) or null
             Affine specialTransform) {} // item-model transformation for special models (T·Rl·S·Rr) or null
 
     // --- public API --------------------------------------------------------------------------------
@@ -90,7 +98,10 @@ public final class ItemGeometry {
         if (info.special != null) bakeSpecial(item, info, m, out);
         if (out.size() == before && !info.layers.isEmpty()) bakeGenerated(info, m, out);
         if (out.size() == before && item.block() != null) bakeBlock(item.block(), m, out);
-        if (out.size() == before && item.blockEntity() != null) bakeBlockEntity(item.blockEntity(), m, out);
+        // Placed block-entity fallback for block items only (a shield carries its patterns as a banner state).
+        if (out.size() == before && item.block() != null && item.blockEntity() != null) {
+            bakeBlockEntity(item.blockEntity(), m, out);
+        }
         if (out.size() == before) {
             int[][] sprite = sprite(item.id());
             if (sprite != null) addExtruded(sprite, m, out);
@@ -130,13 +141,6 @@ public final class ItemGeometry {
         return box;
     }
 
-    /** The display transform's Y scale for a context (vanilla lifts dropped items by 0.25·scaleY). */
-    public double displayScaleY(ItemSpec item, String context) {
-        if (item == null) return 1;
-        Info info = info(item.id(), context);
-        return info.display == null ? 1 : info.display[7];
-    }
-
     /** A block's model elements in the block cube [0,1]³ (tinted with plains colours). */
     public void bakeBlock(BlockData data, Affine toWorld, List<EntityCube> out) {
         if (data == null) return;
@@ -174,30 +178,34 @@ public final class ItemGeometry {
     // --- item definition / model resolution --------------------------------------------------------
 
     private Info info(String id, String context) {
-        return infos.computeIfAbsent(id + "#" + context, k -> {
+        // Keyed by date too: minecraft:local_time selects (christmas chest items) change with the day.
+        ZonedDateTime now = SpecialDates.now();
+        return infos.computeIfAbsent(id + "#" + context + "#" + now.toLocalDate(), k -> {
             try {
-                return resolve(id, context);
+                return resolve(id, context, now);
             } catch (RuntimeException e) {
                 // Unexpected item-definition format (newer version?): fall back to the plain sprite.
-                return new Info(null, List.of(), List.of(), null, null);
+                return new Info(null, List.of(), List.of(), null, null, null);
             }
         });
     }
 
-    private Info resolve(String id, String context) {
+    private Info resolve(String id, String context, ZonedDateTime now) {
         String modelRef = null, special = null;
+        JsonObject specialModel = null;
         Affine specialXf = null;
         List<Integer> tints = new ArrayList<>();
         Optional<JsonObject> def = reader.readJsonObject("assets/minecraft/items/" + id + ".json");
         if (def.isPresent() && def.get().has("model")) {
             Affine[] outer = {null};
-            JsonObject node = pick(def.get().getAsJsonObject("model"), context, outer);
+            JsonObject node = pick(def.get().getAsJsonObject("model"), context, now, outer);
             if (node != null) {
                 String type = str(node, "type");
                 if (type.endsWith("special")) {
                     modelRef = str(node, "base");
                     JsonObject sm = node.has("model") ? node.getAsJsonObject("model") : null;
                     special = sm == null ? null : str(sm, "type").replace("minecraft:", "");
+                    specialModel = sm;
                     // Like ItemModel.Unbaked.bake: the transformations of the enclosing select/condition nodes
                     // compose with the special's own (shield/trident flips, copper golem statue placement).
                     specialXf = outer[0];
@@ -249,14 +257,14 @@ public final class ItemGeometry {
         if (generated) {
             for (int i = 0; tex.containsKey("layer" + i); i++) layers.add(resolveTex(tex, tex.get("layer" + i)));
         }
-        return new Info(display, layers, tints, special, specialXf);
+        return new Info(display, layers, tints, special, specialModel, specialXf);
     }
 
     /**
      * Walks an item-model node to the concrete model/special for a display context; {@code outer[0]}
      * accumulates the {@code transformation}s of the nodes passed on the way (null = none).
      */
-    private static JsonObject pick(JsonObject node, String context, Affine[] outer) {
+    private static JsonObject pick(JsonObject node, String context, ZonedDateTime now, Affine[] outer) {
         for (int depth = 0; node != null && depth < 16; depth++) {
             String type = str(node, "type").replace("minecraft:", "");
             if (!type.equals("model") && !type.equals("special") && node.has("transformation")) {
@@ -270,10 +278,14 @@ public final class ItemGeometry {
                 case "condition" -> node = obj(node, "on_false");
                 case "select" -> {
                     JsonObject chosen = null;
-                    if (str(node, "property").endsWith("display_context") && node.has("cases")) {
+                    String property = str(node, "property");
+                    String value = property.endsWith("display_context")
+                            ? context
+                            : property.endsWith("local_time") ? localTime(node, now) : null;
+                    if (value != null && node.has("cases")) {
                         for (JsonElement c : node.getAsJsonArray("cases")) {
                             JsonObject co = c.getAsJsonObject();
-                            if (matches(co.get("when"), context)) {
+                            if (matches(co.get("when"), value)) {
                                 chosen = obj(co, "model");
                                 break;
                             }
@@ -304,6 +316,23 @@ public final class ItemGeometry {
         return null;
     }
 
+    /**
+     * The {@code minecraft:local_time} select value (LocalTime property: SimpleDateFormat {@code pattern} with
+     * optional {@code locale} and {@code time_zone}) for {@code now}; null when the format is invalid.
+     */
+    private static String localTime(JsonObject node, ZonedDateTime now) {
+        try {
+            String locale = str(node, "locale");
+            SimpleDateFormat f = new SimpleDateFormat(
+                    str(node, "pattern"), locale.isEmpty() ? Locale.ROOT : Locale.forLanguageTag(locale));
+            String tz = str(node, "time_zone");
+            f.setTimeZone(tz.isEmpty() ? TimeZone.getTimeZone(now.getZone()) : TimeZone.getTimeZone(tz));
+            return f.format(Date.from(now.toInstant()));
+        } catch (RuntimeException e) {
+            return null;
+        }
+    }
+
     private static boolean matches(JsonElement when, String context) {
         if (when == null) return false;
         if (when.isJsonArray()) {
@@ -384,33 +413,78 @@ public final class ItemGeometry {
     // --- geometry ------------------------------------------------------------------------------------
 
     private void bakeSpecial(ItemSpec item, Info info, Affine m, List<EntityCube> out) {
+        Affine xf = info.specialTransform != null ? m.mul(info.specialTransform) : m;
         switch (info.special) {
-            case "shield", "trident" -> {
-                // Entity model in Java model space; the item definition's transformation flips it (1,-1,-1).
-                boolean shield = info.special.equals("shield");
-                CemModelLoader.CemModel model = models.vanilla(shield ? "layer/shield#main" : "trident");
-                if (model == null) model = models.vanilla("layer/" + info.special + "#main");
-                int[][] tex = textures.get(ResourceLocation.parse(
-                                shield ? "entity/shield/shield_base_nopattern" : "entity/trident/trident"))
+            case "shield" -> {
+                // ShieldSpecialRenderer: shield_base_nopattern, or (banner patterns / base colour present)
+                // shield_base + the dyed shield pattern masks (base colour default white); the item definition's
+                // transformation flips the model (1,-1,-1).
+                CemModelLoader.CemModel model = models.vanilla("layer/shield#main");
+                int[][] tex = shieldTexture(item.blockEntity());
+                if (model != null && tex != null) bakeEntityModel(model, tex, xf, out);
+            }
+            case "trident" -> {
+                CemModelLoader.CemModel model = models.vanilla("trident");
+                if (model == null) model = models.vanilla("layer/trident#main");
+                int[][] tex = textures.get(ResourceLocation.parse("entity/trident/trident"))
                         .orElse(null);
-                if (model == null || tex == null) return;
-                Affine xf = info.specialTransform != null ? m.mul(info.specialTransform) : m;
-                Affine pre = xf.mul(Affine.scale(1 / 16.0)).mul(CemGeometry.CEM_TO_JAVA);
-                for (CemGeometry.Baked b : CemGeometry.bakeModel(model, tex, pre, Set.of())) {
-                    out.add(new EntityCube(b.from(), b.to(), b.faces(), b.world()));
+                if (model != null && tex != null) bakeEntityModel(model, tex, xf, out);
+            }
+            case "chest" -> {
+                // ChestSpecialRenderer: the chest model of the item's chest_type with the item definition's
+                // texture (Sheets.CHEST_MAPPER: entity/chest/<texture>; christmas via the local_time select).
+                if (!bakeChest(info.specialModel, xf, out) && item.blockEntity() != null && blockEntities != null) {
+                    blockEntities.bakeModel(item.blockEntity(), xf, out);
                 }
             }
             default -> {
-                // Block-entity specials (chest, head, banner, shulker box, conduit, pot, …): like the vanilla
-                // special renderers, the bare model (no block pose) placed by the item's transformation.
+                // Block-entity specials (head, banner, shulker box, conduit, pot, …): like the vanilla special
+                // renderers, the bare model (no block pose) placed by the item's transformation.
                 if (item.blockEntity() != null && blockEntities != null) {
-                    Affine xf = info.specialTransform != null ? m.mul(info.specialTransform) : m;
                     blockEntities.bakeModel(item.blockEntity(), xf, out);
                 }
             }
         }
     }
 
+    /** An entity model (Java model space, px) through {@code xf}. */
+    private static void bakeEntityModel(CemModelLoader.CemModel model, int[][] tex, Affine xf, List<EntityCube> out) {
+        Affine pre = xf.mul(Affine.scale(1 / 16.0)).mul(CemGeometry.CEM_TO_JAVA);
+        for (CemGeometry.Baked b : CemGeometry.bakeModel(model, tex, pre, Set.of())) {
+            out.add(new EntityCube(b.from(), b.to(), b.faces(), b.world()));
+        }
+    }
+
+    /** The chest special model from its JSON ({@code texture}, {@code chest_type}); false when unresolvable. */
+    private boolean bakeChest(JsonObject sm, Affine xf, List<EntityCube> out) {
+        if (sm == null || str(sm, "texture").isEmpty()) return false;
+        String layer =
+                switch (str(sm, "chest_type").replace("minecraft:", "")) {
+                    case "left" -> "layer/double_chest_left#main";
+                    case "right" -> "layer/double_chest_right#main";
+                    default -> "layer/chest#main";
+                };
+        CemModelLoader.CemModel model = models.vanilla(layer);
+        ResourceLocation id = ResourceLocation.parse(str(sm, "texture"));
+        int[][] tex = textures.get(ResourceLocation.parse(id.namespace() + ":entity/chest/" + id.path()))
+                .orElse(null);
+        if (model == null || tex == null) return false;
+        bakeEntityModel(model, tex, xf, out);
+        return true;
+    }
+
+    /** The shield texture for the stack's patterns ({@code BANNER} state from the item meta; null = none). */
+    private int[][] shieldTexture(BlockEntityState patterns) {
+        boolean patterned = patterns != null
+                && (patterns.baseColorArgb() != 0 || !patterns.patterns().isEmpty());
+        int[][] base = textures.get(ResourceLocation.parse(
+                        patterned ? "entity/shield/shield_base" : "entity/shield/shield_base_nopattern"))
+                .orElse(null);
+        if (!patterned || base == null || blockEntities == null) return base;
+        int baseColor = patterns.baseColorArgb() != 0 ? patterns.baseColorArgb() : ColorUtil.dyeArgb(DyeColor.WHITE, 0);
+        return blockEntities.patterned(base, "entity/shield/", baseColor, patterns.patterns());
+    }
+
     private void bakeGenerated(Info info, Affine m, List<EntityCube> out) {
         // Cached per Info (one per item+context): a stable texture identity keeps the extrusion cache bounded.
         int[][] composed = composedSprites

src/main/java/eu/mhsl/minecraft/pixelpics/render/snapshot/BlockEntitySnapshotBuilder.java

@@ -44,6 +44,7 @@ import org.bukkit.entity.EntitySnapshot;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BannerMeta;
 import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.inventory.meta.ShieldMeta;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.profile.PlayerProfile;
 import org.bukkit.util.Vector;
@@ -130,6 +131,41 @@ public final class BlockEntitySnapshotBuilder {
         return s;
     }
 
+    /**
+     * A shield's banner data (ShieldMeta: base colour + patterns) as a {@code BANNER} state at cell 0 for the
+     * shield special model; null without patterns and base colour (plain shield).
+     */
+    public static BlockEntityState shieldPatterns(ItemMeta meta) {
+        try {
+            if (!(meta instanceof ShieldMeta shield)) return null;
+            DyeColor baseColor = shield.getBaseColor();
+            List<BannerPattern> pats = new ArrayList<>();
+            for (Pattern p : shield.getPatterns()) {
+                pats.add(new BannerPattern(patternKey(p), ColorUtil.dyeArgb(p.getColor(), 0xFFFFFFFF)));
+            }
+            if (baseColor == null && pats.isEmpty()) return null;
+            return new BlockEntityState(
+                    Kind.BANNER,
+                    0,
+                    0,
+                    0,
+                    0,
+                    null,
+                    false,
+                    null,
+                    ColorUtil.dyeArgb(baseColor, 0),
+                    null,
+                    null,
+                    null,
+                    pats,
+                    List.of(),
+                    null,
+                    null);
+        } catch (Throwable ignored) {
+            return null; // API drift: plain shield
+        }
+    }
+
     private static BlockEntityState copy(BlockEntityState s, String skinUrl, List<BannerPattern> patterns) {
         return new BlockEntityState(
                 s.kind(),

src/main/java/eu/mhsl/minecraft/pixelpics/render/snapshot/DecorationSnapshotBuilder.java

@@ -77,7 +77,8 @@ public final class DecorationSnapshotBuilder {
                     map,
                     frame.getRotation().ordinal(),
                     glow,
-                    !frame.isVisible());
+                    !frame.isVisible(),
+                    map != null ? MapPixels.markers(stack) : List.of());
         }
         return null;
     }

src/main/java/eu/mhsl/minecraft/pixelpics/render/snapshot/ItemSpecs.java

@@ -33,6 +33,9 @@ public final class ItemSpecs {
         // Head skins / banner patterns live on the stack, not the material (only those kinds pay for the meta).
         if (be != null && ("player".equals(be.headType()) || be.kind() == BlockEntityState.Kind.BANNER)) {
             be = BlockEntitySnapshotBuilder.withItemMeta(be, stack.getItemMeta());
+        } else if (m == Material.SHIELD) {
+            // Shield banner patterns + base colour (ShieldSpecialRenderer), carried as a BANNER state.
+            be = BlockEntitySnapshotBuilder.shieldPatterns(stack.getItemMeta());
         }
         return new ItemSpec(m.getKey().getKey(), b.data, be, glint);
     }

src/main/java/eu/mhsl/minecraft/pixelpics/render/snapshot/MapPixels.java

@@ -1,9 +1,13 @@
 package eu.mhsl.minecraft.pixelpics.render.snapshot;
 
+import eu.mhsl.minecraft.pixelpics.render.entity.DecorationState;
 import eu.mhsl.minecraft.pixelpics.utils.ImageMapRenderer;
 import eu.mhsl.minecraft.pixelpics.utils.MapColorPalette;
 import eu.mhsl.minecraft.pixelpics.utils.MapManager;
 import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.MapMeta;
 import org.bukkit.map.MapRenderer;
@@ -59,17 +63,65 @@ public final class MapPixels {
         return b;
     }
 
-    private static volatile Field worldMapField, colorsField;
+    /**
+     * The map's decorations an item frame shows (MapRenderer with showOnlyFrame: MapDecorationType.showOnItemFrame
+     * — banners, frame markers, structure/target markers; never players), in the map data's order. Only for maps
+     * drawn by the vanilla renderer (CraftMapRenderer sends {@code MapItemSavedData.decorations} as cursors):
+     * PixelPics photo maps and other plugin-rendered maps get none.
+     */
+    public static List<DecorationState.MapMarker> markers(ItemStack stack) {
+        try {
+            if (!(stack.getItemMeta() instanceof MapMeta meta) || !meta.hasMapView()) return List.of();
+            MapView view = meta.getMapView();
+            if (view == null || MapManager.isManaged(view.getId())) return List.of();
+            boolean vanilla = false;
+            for (MapRenderer r : view.getRenderers()) {
+                if (r instanceof ImageMapRenderer) return List.of();
+                if (r.getClass().getSimpleName().equals("CraftMapRenderer")) vanilla = true;
+            }
+            if (!vanilla) return List.of();
+            Object data = worldMap(view);
+            if (data == null) return List.of();
+            Field f = decorationsField;
+            if (f == null || f.getDeclaringClass() != data.getClass()) {
+                f = data.getClass().getDeclaredField("decorations");
+                f.setAccessible(true);
+                decorationsField = f;
+            }
+            if (!(f.get(data) instanceof Map<?, ?> decorations) || decorations.isEmpty()) return List.of();
+            List<DecorationState.MapMarker> out = new ArrayList<>();
+            for (Object d : decorations.values()) {
+                Class<?> c = d.getClass();
+                if (!(Boolean) c.getMethod("renderOnFrame").invoke(d)) continue;
+                String sprite = String.valueOf(c.getMethod("getSpriteLocation").invoke(d));
+                String asset = sprite.substring(sprite.indexOf(':') + 1);
+                out.add(new DecorationState.MapMarker(
+                        asset,
+                        (Byte) c.getMethod("x").invoke(d),
+                        (Byte) c.getMethod("y").invoke(d),
+                        (Byte) c.getMethod("rot").invoke(d)));
+            }
+            return out;
+        } catch (Throwable t) {
+            return List.of();
+        }
+    }
 
-    /** CraftMapView#worldMap → MapItemSavedData#colors (what the vanilla CraftMapRenderer sends). */
-    private static byte[] worldMapColors(MapView view) throws ReflectiveOperationException {
+    private static volatile Field worldMapField, colorsField, decorationsField;
+
+    private static Object worldMap(MapView view) throws ReflectiveOperationException {
         Field wm = worldMapField;
         if (wm == null || wm.getDeclaringClass() != view.getClass()) {
             wm = view.getClass().getDeclaredField("worldMap");
             wm.setAccessible(true);
             worldMapField = wm;
         }
-        Object data = wm.get(view);
+        return wm.get(view);
+    }
+
+    /** CraftMapView#worldMap → MapItemSavedData#colors (what the vanilla CraftMapRenderer sends). */
+    private static byte[] worldMapColors(MapView view) throws ReflectiveOperationException {
+        Object data = worldMap(view);
         if (data == null) return null;
         Field c = colorsField;
         if (c == null || c.getDeclaringClass() != data.getClass()) {

src/main/java/eu/mhsl/minecraft/pixelpics/render/snapshot/ObjectSnapshotBuilder.java

@@ -70,7 +70,8 @@ public final class ObjectSnapshotBuilder {
             }
             if (d instanceof ItemDisplay id) {
                 String ctx = id.getItemDisplayTransform().name().toLowerCase(java.util.Locale.ROOT);
-                return item(base, id.getItemStack(), ctx, false);
+                // ItemDisplayRenderer.submitInner turns the item by 180° about Y before submitting it.
+                return item(base.mul(Affine.rotY(Math.PI)), id.getItemStack(), ctx, false);
             }
             if (d instanceof TextDisplay td) {
                 return text(base, td);
@@ -84,8 +85,10 @@ public final class ObjectSnapshotBuilder {
             return block(at.mul(Affine.translation(-0.5, 0, -0.5)), Material.TNT.createBlockData());
         }
         if (e instanceof Item it) {
-            // Dropped item: vanilla GROUND display transform, lifted by the baker; a fixed per-entity spin.
-            double spin = (e.getUniqueId().getLeastSignificantBits() & 0xFFFF) / 65536.0 * 2 * Math.PI;
+            // Dropped item: vanilla GROUND display transform, lifted by the baker. The spin (vanilla: age/20 +
+            // a random bobOffset) is frozen per entity from its yaw, which ItemEntity also randomises at creation
+            // (so items differ like in vanilla, and a test can fix it with setRotation).
+            double spin = Math.toRadians(l.getYaw());
             return item(at.mul(Affine.rotY(spin)), it.getItemStack(), "ground", true);
         }
         if (e instanceof Minecart mc) {

src/main/java/eu/mhsl/minecraft/pixelpics/render/util/SpecialDates.java

@@ -0,0 +1,44 @@
+package eu.mhsl.minecraft.pixelpics.render.util;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.time.MonthDay;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.util.List;
+
+/**
+ * Vanilla {@code net.minecraft.util.SpecialDates} (decompiled 26.3): the server's local date decides the
+ * christmas chest textures (ChestRenderer.xmasTextures = {@code isExtendedChristmas()}, 24–26 December) and the
+ * {@code minecraft:local_time} item-model property (chest / trapped chest items).
+ *
+ * <p>Testing: the JVM system property {@value #TEST_DATE_PROPERTY} ({@code yyyy-MM-dd}, e.g.
+ * {@code -Dpixelpics.testDate=2026-12-25}) replaces today's date (time of day stays the current one). Never set
+ * it in production.
+ */
+public final class SpecialDates {
+
+    public static final String TEST_DATE_PROPERTY = "pixelpics.testDate";
+
+    private static final List<MonthDay> CHRISTMAS_RANGE =
+            List.of(MonthDay.of(12, 24), MonthDay.of(12, 25), MonthDay.of(12, 26));
+
+    private SpecialDates() {}
+
+    /** The current local date-time ({@code ZonedDateTime.now()}), or the test date at the current time of day. */
+    public static ZonedDateTime now() {
+        ZonedDateTime now = ZonedDateTime.now();
+        String test = System.getProperty(TEST_DATE_PROPERTY);
+        if (test == null || test.isBlank()) return now;
+        try {
+            return ZonedDateTime.of(LocalDate.parse(test.trim()), LocalTime.from(now), ZoneId.systemDefault());
+        } catch (RuntimeException e) {
+            return now;
+        }
+    }
+
+    /** Vanilla {@code SpecialDates.isExtendedChristmas()}: today is 24, 25 or 26 December. */
+    public static boolean isExtendedChristmas() {
+        return CHRISTMAS_RANGE.contains(MonthDay.from(now()));
+    }
+}

tools/BlockEntityTestRender.java

@@ -244,6 +244,36 @@ public class BlockEntityTestRender {
         decoScenes.put("item_frame_E", List.of(new DecorationState(DecorationState.Kind.ITEM_FRAME,
             0.9375, 0.0625, 0.0625, 1.0, 0.9375, 0.9375, DecorationState.Facing.EAST, null, new eu.mhsl.minecraft.pixelpics.render.entity.ItemSpec("diamond", null, null, false), null, 0, false, false)));
 
+        // Shields (plain / red base / blue + creeper + border patterns), chests (christmas with
+        // -Dpixelpics.testDate=2026-12-25) and a decorated map in frames (map/decorations sprites as MapRenderer).
+        BlockEntityState shieldPats = new BlockEntityState(Kind.BANNER, 0, 0, 0, 0, null, false, null, 0xFF3C44AA, null, null, null,
+            List.of(new BannerPattern("creeper", 0xFFFED83D), new BannerPattern("border", 0xFFF9FFFE)), List.of(), null, null);
+        BlockEntityState shieldRed = new BlockEntityState(Kind.BANNER, 0, 0, 0, 0, null, false, null, 0xFFB02E26, null, null, null,
+            List.of(), List.of(), null, null);
+        String[] frameItems = {"shield", "shield_red", "shield_patterns", "chest", "trapped_chest", "ender_chest"};
+        for (String id : frameItems) {
+            ItemSpec spec = switch (id) {
+                case "shield_red" -> new ItemSpec("shield", null, shieldRed, false);
+                case "shield_patterns" -> new ItemSpec("shield", null, shieldPats, false);
+                default -> new ItemSpec(id, null, null, false);
+            };
+            decoScenes.put("item_frame_" + id, List.of(new DecorationState(DecorationState.Kind.ITEM_FRAME,
+                0.0625, 0.0625, 0, 0.9375, 0.9375, 0.0625, DecorationState.Facing.SOUTH, null, spec, null, 0, false, false)));
+        }
+        int[][] mapPx = new int[128][128];
+        for (int y = 0; y < 128; y++) for (int x = 0; x < 128; x++) mapPx[y][x] = ((x / 16 + y / 16) & 1) == 0 ? 0xFF7FB238 : 0xFF3F76E4;
+        List<DecorationState.MapMarker> markers = List.of(
+            new DecorationState.MapMarker("frame", 0, 0, 0),
+            new DecorationState.MapMarker("red_banner", -60, -50, 8),
+            new DecorationState.MapMarker("target_x", 70, 60, 0),
+            new DecorationState.MapMarker("frame", 40, -90, 4),
+            new DecorationState.MapMarker("blue_banner", -100, 90, 0));
+        for (int rot : new int[] {0, 1}) {
+            decoScenes.put("item_frame_map_markers_r" + rot, List.of(new DecorationState(DecorationState.Kind.ITEM_FRAME,
+                0.0625, 0.0625, 0, 0.9375, 0.9375, 0.0625, DecorationState.Facing.SOUTH, null,
+                new ItemSpec("filled_map", null, null, false), mapPx, rot, false, false, markers)));
+        }
+
         List<BufferedImage> cells = new ArrayList<>();
         List<String> names = new ArrayList<>(scenes.keySet());
         for (String name : names) {

tools/edgecase-plugin/pptest/PPTest.java

@@ -198,6 +198,160 @@ public class PPTest extends JavaPlugin {
         scenes.put("be_contents_close", new Scene("be_contents_close", this::beContents, 1.2, 1.8, 2.2, 1.5, 0.6, 0));
         scenes.put("be_contents_beam", new Scene("be_contents_beam", this::beContents, 4, 6, 26, 10, 9, 6));
         scenes.put("be_contents_portal", new Scene("be_contents_portal", this::beContents, 11.5, 3.6, -1.8, 11.5, 0, 1.2));
+        // Items in detail (decompiled 26.3 special renderers): shields (plain, base colour, banner patterns), chests,
+        // spawner/vault held by armor stands (+ a baby zombie: baby hand offset), item displays (fixed), item frames
+        // (rotation 0/1) and dropped (ground: lift = 0.1625 - model min y). items_inverted: spawner, trial spawner and
+        // vault as block, block display, item display and dropped item (inverted inner faces). xmas_chests: chests,
+        // double/trapped/ender/copper chests + chest items; render it once normally and once with the server
+        // started with -Dpixelpics.testDate=2026-12-25 (christmas textures for chests and trapped chests).
+        // frames_markers: map decorations on framed maps (banner markers via toggleBanner, frame/target markers,
+        // an invisible-on-frames player marker; rotations 0/1/3), a PixelPics photo map and an undecorated map.
+        scenes.put("items_detail", new Scene("items_detail", this::itemsDetail, 4.5, 3.2, 13, 4.5, 0.9, 2));
+        scenes.put("items_detail_close", new Scene("items_detail_close", this::itemsDetail, 2.2, 1.7, 7.4, 2.2, 0.9, 2));
+        scenes.put("items_detail_side", new Scene("items_detail_side", this::itemsDetail, -4.5, 2.4, 4.5, 5, 0.9, 3));
+        scenes.put("items_inverted", new Scene("items_inverted", this::itemsInverted, 3, 2.4, 7, 3, 0.6, 1.5));
+        scenes.put("xmas_chests", new Scene("xmas_chests", this::xmasChests, 6, 3.6, 9.5, 6, 0.5, 1.5));
+        scenes.put("frames_markers", new Scene("frames_markers", this::framesMarkers, 2.5, 2.4, 4.2, 2.5, 2.4, 0));
+    }
+
+    private static ItemStack shield(DyeColor base, Object... patterns) {
+        ItemStack s = it(Material.SHIELD);
+        org.bukkit.inventory.meta.ShieldMeta m = (org.bukkit.inventory.meta.ShieldMeta) s.getItemMeta();
+        m.setBaseColor(base);
+        for (int i = 0; i + 1 < patterns.length; i += 2)
+            m.addPattern(new org.bukkit.block.banner.Pattern((DyeColor) patterns[i], (org.bukkit.block.banner.PatternType) patterns[i + 1]));
+        s.setItemMeta(m);
+        return s;
+    }
+
+    private void itemsDetail(Location o) {
+        for (int x = -1; x <= 11; x++) for (int y = 0; y <= 3; y++) put(o, x, y, -1, "stone");
+        ItemStack[] items = {it(Material.SHIELD), shield(DyeColor.RED),
+            shield(DyeColor.BLUE, DyeColor.YELLOW, org.bukkit.block.banner.PatternType.CREEPER,
+                    DyeColor.WHITE, org.bukkit.block.banner.PatternType.BORDER),
+            it(Material.CHEST), it(Material.TRAPPED_CHEST), it(Material.ENDER_CHEST), it(Material.COPPER_CHEST),
+            it(Material.SPAWNER), it(Material.VAULT), it(Material.RED_BANNER)};
+        for (int i = 0; i < items.length; i++) {
+            frame(o, i, 1, 0, BlockFace.SOUTH, false, items[i], 0, true);
+            frame(o, i, 2, 0, BlockFace.SOUTH, false, items[i], 1, true);
+            ArmorStand as = spawn(o, i + 0.5, 0, 2.5, 0, ArmorStand.class);
+            as.setArms(true);
+            as.getEquipment().setItemInMainHand(items[i]);
+            if (i < 3) as.getEquipment().setItemInOffHand(items[i]);
+            ItemDisplay d = spawn(o, i + 0.5, 0.6, 4.5, 0, ItemDisplay.class);
+            d.setItemStack(items[i]);
+            d.setItemDisplayTransform(ItemDisplay.ItemDisplayTransform.FIXED);
+            d.setTransformation(new Transformation(new Vector3f(), new Quaternionf(), new Vector3f(0.6f), new Quaternionf()));
+            drop(o, i + 0.5, 0, 6.5, items[i], i * 20);
+        }
+        Zombie baby = spawn(o, 10.5, 0, 2.5, 0, Zombie.class);
+        baby.setBaby();
+        baby.getEquipment().setItemInMainHand(it(Material.CHEST));
+        baby.getEquipment().setItemInOffHand(items[2]);
+        Zombie z = spawn(o, 11.5, 0, 4, 0, Zombie.class);
+        z.setAdult();
+        z.getEquipment().setItemInMainHand(it(Material.TRAPPED_CHEST));
+        z.getEquipment().setItemInOffHand(items[2]);
+    }
+
+    private void itemsInverted(Location o) {
+        String[] blocks = {"spawner", "trial_spawner", "vault[facing=south]"};
+        Material[] mats = {Material.SPAWNER, Material.TRIAL_SPAWNER, Material.VAULT};
+        for (int i = 0; i < blocks.length; i++) {
+            put(o, i * 2, 0, 0, blocks[i]);
+            BlockDisplay b = spawn(o, i * 2, 0, 2, 0, BlockDisplay.class);
+            b.setBlock(Bukkit.createBlockData("minecraft:" + blocks[i]));
+            ItemDisplay d = spawn(o, i * 2 + 0.5, 0.5, 4.5, 0, ItemDisplay.class);
+            d.setItemStack(it(mats[i]));
+            drop(o, i * 2 + 0.5, 0, 6, it(mats[i]), 15);
+        }
+    }
+
+    private void xmasChests(Location o) {
+        put(o, 0, 0, 0, "chest[facing=south]");
+        put(o, 3, 0, 0, "chest[facing=south,type=left]");
+        put(o, 2, 0, 0, "chest[facing=south,type=right]");
+        put(o, 5, 0, 0, "trapped_chest[facing=south]");
+        put(o, 8, 0, 0, "trapped_chest[facing=south,type=left]");
+        put(o, 7, 0, 0, "trapped_chest[facing=south,type=right]");
+        put(o, 10, 0, 0, "ender_chest[facing=south]");
+        put(o, 12, 0, 0, "copper_chest[facing=south]");
+        Material[] mats = {Material.CHEST, Material.TRAPPED_CHEST};
+        for (int i = 0; i < 2; i++) {
+            ItemDisplay d = spawn(o, 0.5 + i * 1.5, 0.6, 3.5, 0, ItemDisplay.class);
+            d.setItemStack(it(mats[i]));
+            d.setItemDisplayTransform(ItemDisplay.ItemDisplayTransform.FIXED);
+            ArmorStand as = spawn(o, 4 + i * 1.5, 0, 3.5, 0, ArmorStand.class);
+            as.setArms(true);
+            as.getEquipment().setItemInMainHand(it(mats[i]));
+            drop(o, 7.5 + i, 0, 3.5, it(mats[i]), 30);
+            put(o, 10 + i, 0, 3, "stone");
+            frame(o, 10 + i, 1, 3, BlockFace.UP, false, it(mats[i]), 0, true);
+        }
+    }
+
+    private void framesMarkers(Location o) {
+        for (int x = -2; x <= 7; x++) for (int y = 0; y <= 4; y++) put(o, x, y, -1, "stone");
+        ItemStack marked = vanillaMap();
+        org.bukkit.map.MapView v = ((org.bukkit.inventory.meta.MapMeta) marked.getItemMeta()).getMapView();
+        v.setScale(org.bukkit.map.MapView.Scale.CLOSEST);
+        v.setCenterX(o.getBlockX());
+        v.setCenterZ(o.getBlockZ());
+        put(o, -5, 0, -10, "red_banner[rotation=0]");
+        put(o, 16, 0, -11, "lime_banner[rotation=4]");
+        mapBanner(v, o.clone().add(-5, 0, -10));
+        mapBanner(v, o.clone().add(16, 0, -11));
+        ItemFrame f0 = frame(o, 0, 2, 0, BlockFace.SOUTH, false, marked, 0, true);
+        frame(o, 1, 2, 0, BlockFace.SOUTH, false, marked, 1, true);
+        frame(o, 2, 2, 0, BlockFace.SOUTH, false, synthMap(), 0, true);
+        frame(o, 3, 2, 0, BlockFace.SOUTH, false, vanillaMap(), 0, true);
+        frame(o, 4, 2, 0, BlockFace.SOUTH, true, marked, 3, true);
+        // Frame markers like MapItemSavedData.tickCarriedBy (key frame-<id>, frame block pos, rot = 2D facing · 90):
+        // the real frame, plus fictitious ones turned east/north; a red X and a player marker (not on frames).
+        mapDecoration(v, "FRAME", "frame-" + f0.getEntityId(), o.getBlockX(), o.getBlockZ(), 0);
+        mapDecoration(v, "FRAME", "frame-pptest-1", o.getBlockX() + 30, o.getBlockZ() - 25, 270);
+        mapDecoration(v, "FRAME", "frame-pptest-2", o.getBlockX() - 28, o.getBlockZ() + 30, 180);
+        mapDecoration(v, "RED_X", "pptest-x", o.getBlockX() + 40, o.getBlockZ() + 40, 180);
+        mapDecoration(v, "PLAYER", "pptest-player", o.getBlockX() + 10, o.getBlockZ() + 10, 0);
+    }
+
+    /** MapItemSavedData.toggleBanner(level, pos) on the map's server data (reflective: no API). */
+    private void mapBanner(org.bukkit.map.MapView v, Location banner) {
+        try {
+            Object data = mapData(v);
+            Object level = w.getClass().getMethod("getHandle").invoke(w);
+            Class<?> bp = Class.forName("net.minecraft.core.BlockPos", true, data.getClass().getClassLoader());
+            Object pos = bp.getConstructor(int.class, int.class, int.class)
+                    .newInstance(banner.getBlockX(), banner.getBlockY(), banner.getBlockZ());
+            for (java.lang.reflect.Method m : data.getClass().getMethods())
+                if (m.getName().equals("toggleBanner") && m.getParameterCount() == 2)
+                    getLogger().info("toggleBanner " + banner.toVector() + " -> " + m.invoke(data, level, pos));
+        } catch (ReflectiveOperationException e) {
+            getLogger().warning("mapBanner: " + e);
+        }
+    }
+
+    /** MapItemSavedData.addDecoration(MapDecorationTypes.<type>, level, key, x, z, yRot, null) (private, reflective). */
+    private void mapDecoration(org.bukkit.map.MapView v, String type, String key, double x, double z, double rot) {
+        try {
+            Object data = mapData(v);
+            Object level = w.getClass().getMethod("getHandle").invoke(w);
+            Object holder = Class.forName("net.minecraft.world.level.saveddata.maps.MapDecorationTypes", true,
+                    data.getClass().getClassLoader()).getField(type).get(null);
+            for (java.lang.reflect.Method m : data.getClass().getDeclaredMethods())
+                if (m.getName().equals("addDecoration") && m.getParameterCount() == 7) {
+                    m.setAccessible(true);
+                    m.invoke(data, holder, level, key, x, z, rot, null);
+                }
+        } catch (ReflectiveOperationException e) {
+            getLogger().warning("mapDecoration: " + e);
+        }
+    }
+
+    private static Object mapData(org.bukkit.map.MapView v) throws ReflectiveOperationException {
+        java.lang.reflect.Field wm = v.getClass().getDeclaredField("worldMap");
+        wm.setAccessible(true);
+        return wm.get(v);
     }
 
     private void beContents(Location o) {
@@ -212,6 +366,7 @@ public class PPTest extends JavaPlugin {
                 c.setItem(i, it(food[i]));
                 c.setCookTimeTotal(i, 1_000_000); // else the lit campfire pops them out at once (total 0)
             }
+            c.stopCooking(); // keep the food raw and in place while the scene waits
             c.update(true, false);
         }
         if (o.clone().add(4, 0, 0).getBlock().getState() instanceof org.bukkit.block.Campfire c) {
@@ -561,7 +716,9 @@ public class PPTest extends JavaPlugin {
         put(o, 8, 0, 1, "water");
         Mannequin m3 = rfSpawn(o, 8.5, 0.1, 0.5, 180, Mannequin.class);
         m3.setPose(Pose.SWIMMING, true);
+        m3.setGravity(false); // else it floats up in the water while the scene waits (non-deterministic)
         Mannequin m4 = rfSpawn(o, 10, 1.0, 0, 180, Mannequin.class);
+        m4.setGravity(false); // keeps gliding at y 1 instead of falling
         m4.getEquipment().setChestplate(it(Material.ELYTRA));
         m4.setPose(Pose.FALL_FLYING, true);
         Mannequin m5 = rfSpawn(o, 12, 0, 0, 180, Mannequin.class);
@@ -649,7 +806,30 @@ public class PPTest extends JavaPlugin {
         return true;
     }
 
+    /**
+     * Loads the scene's chunks and waits until they are entity-ticking before building: entities spawned into a
+     * chunk that only becomes entity-ticking a few (variable) ticks later start moving late (projectile scenes were
+     * not reproducible).
+     */
     private void run(Scene sc, Location o) {
+        loadArea(o);
+        whenEntityTicking(sc, o, 0);
+    }
+
+    private void whenEntityTicking(Scene sc, Location o, int waited) {
+        boolean ready = true;
+        for (int cx = -1; cx <= 2; cx++)
+            for (int cz = -2; cz <= 2; cz++)
+                ready &= w.getChunkAt((o.getBlockX() >> 4) + cx, (o.getBlockZ() >> 4) + cz).getLoadLevel() == Chunk.LoadLevel.ENTITY_TICKING;
+        if (!ready && waited < 200) {
+            Bukkit.getScheduler().runTaskLater(this, () -> whenEntityTicking(sc, o, waited + 1), 1);
+            return;
+        }
+        if (!ready) getLogger().warning("scene " + sc.name + ": chunks not entity-ticking after 200 ticks");
+        build(sc, o);
+    }
+
+    private void build(Scene sc, Location o) {
         try {
             prepareArea(o);
             sc.build.accept(o.clone());
@@ -666,7 +846,7 @@ public class PPTest extends JavaPlugin {
         Location eye = o.clone().add(sc.camX, sc.camY, sc.camZ);
         Vector look = o.clone().add(sc.lookX, sc.lookY, sc.lookZ).toVector().subtract(eye.toVector());
         eye.setDirection(look);
-        RenderJob job = r.prepare(eye, sc.name.endsWith("_sq") ? new Resolution(384, 384) : sc.name.startsWith("proj_") || sc.name.startsWith("rf_") || sc.name.startsWith("pose_") || sc.name.startsWith("frames") || sc.name.startsWith("geo_") ? new Resolution(960, 640) : new Resolution(480, 320), null);
+        RenderJob job = r.prepare(eye, sc.name.endsWith("_sq") ? new Resolution(384, 384) : sc.name.startsWith("proj_") || sc.name.startsWith("rf_") || sc.name.startsWith("pose_") || sc.name.startsWith("frames") || sc.name.startsWith("geo_") || sc.name.startsWith("items_") || sc.name.startsWith("xmas_") ? new Resolution(960, 640) : new Resolution(480, 320), null);
         if (sc.name.equals("dbg")) {
             try {
                 java.lang.reflect.Field f = DefaultScreenRenderer.class.getDeclaredField("objectBaker");
@@ -730,43 +910,74 @@ public class PPTest extends JavaPlugin {
         });
     }
 
-    /** Clears the area (entities + blocks) and lays a 14x14 stone floor at the origin's y-1. */
-    private void prepareArea(Location o) {
+    /** Loads the scene's chunks and keeps them loaded (plugin chunk tickets). */
+    private void loadArea(Location o) {
         for (int cx = -1; cx <= 2; cx++)
             for (int cz = -2; cz <= 2; cz++) {
                 Chunk c = w.getChunkAt((o.getBlockX() >> 4) + cx, (o.getBlockZ() >> 4) + cz);
                 c.load(true);
                 c.addPluginChunkTicket(this);
             }
-        for (Entity e : w.getNearbyEntities(o.clone().add(6, 5, 2), 20, 20, 20)) if (!(e instanceof Player)) e.remove();
+    }
+
+    /** Clears the area (blocks + entities) and lays a 24x24 stone floor at the origin's y-1. */
+    private void prepareArea(Location o) {
+        // Blocks first: removing a campfire/shelf/container drops its items, which the entity sweep then removes
+        // (before, the previous run's cooked campfire food lay around at random).
         for (int x = -6; x < 18; x++)
             for (int z = -12; z < 12; z++)
                 for (int y = -1; y < 12; y++)
                     w.getBlockAt(o.getBlockX() + x, o.getBlockY() + y, o.getBlockZ() + z)
                             .setType(y == -1 ? Material.SMOOTH_STONE : Material.AIR, false);
+        for (Entity e : w.getNearbyEntities(o.clone().add(6, 5, 2), 20, 20, 20)) if (!(e instanceof Player)) e.remove();
     }
 
     // --- helpers ---------------------------------------------------------------------------------
 
+    /**
+     * Deterministic spawn (pixel-diffable between plugin builds): randomizeData=false (no finalizeSpawn — no random
+     * variants, sizes, babies/jockeys or equipment) and the body turned to {@code yaw} (spawned mobs otherwise keep a
+     * random body yaw). Scenes set every variant/equipment they show explicitly.
+     */
     private <T extends Entity> T spawn(Location o, double x, double y, double z, float yaw, Class<T> type) {
-        Location l = o.clone().add(x, y, z);
-        l.setYaw(yaw);
-        T e = w.spawn(l, type, en -> {
-            if (en instanceof Mob m) m.setAI(false);
-            en.setPersistent(false);
-        });
-        if (e instanceof LivingEntity le) le.setRemoveWhenFarAway(false);
+        T e = rfSpawn(o, x, y, z, yaw, type);
+        if (e instanceof LivingEntity le) le.setBodyYaw(yaw);
         return e;
     }
 
     private Entity spawn(Location o, double x, double y, double z, float yaw, EntityType type) {
-        Location l = o.clone().add(x, y, z);
-        l.setYaw(yaw);
-        Entity e = w.spawnEntity(l, type);
-        if (e instanceof Mob m) m.setAI(false);
+        Entity e = rfSpawn(o, x, y, z, yaw, type);
+        e.setPersistent(false);
+        if (e instanceof LivingEntity le) {
+            le.setRemoveWhenFarAway(false);
+            le.setBodyYaw(yaw);
+        }
         return e;
     }
 
+    /**
+     * Respawns until the entity id is even: a full boat turns an animal passenger by 90° or 270° depending on the
+     * id's parity (AbstractBoat.positionRider), and ids depend on the server's history.
+     */
+    private <T extends Entity> T evenId(java.util.function.Supplier<T> spawner) {
+        T e = spawner.get();
+        while (e.getEntityId() % 2 != 0) {
+            e.remove();
+            e = spawner.get();
+        }
+        return e;
+    }
+
+    /** A dropped item at rest: no velocity/gravity, fixed yaw (PixelPics freezes the item spin from the yaw). */
+    private Item drop(Location o, double x, double y, double z, ItemStack stack, float yaw) {
+        return w.dropItem(o.clone().add(x, y, z), stack, i -> {
+            i.setVelocity(new Vector());
+            i.setGravity(false);
+            i.setRotation(yaw, 0);
+            i.setPersistent(false);
+        });
+    }
+
     private static ItemStack it(Material m) {
         return new ItemStack(m);
     }
@@ -839,7 +1050,7 @@ public class PPTest extends JavaPlugin {
         mc.addPassenger(spawn(o, 7, 1, 0, 180, Villager.class));
         Boat b = (Boat) spawn(o, 9.5, 0, 0, 180, EntityType.OAK_BOAT);
         b.addPassenger(spawn(o, 9.5, 1, 0, 180, Zombie.class));
-        b.addPassenger(spawn(o, 9.5, 1, 0, 180, Pig.class));
+        b.addPassenger(evenId(() -> spawn(o, 9.5, 1, 0, 180, Pig.class)));
         Camel c = spawn(o, 2, 0, 3.5, 90, Camel.class);
         c.getInventory().setSaddle(it(Material.SADDLE));
         c.addPassenger(spawn(o, 2, 2, 3.5, 90, EntityType.MANNEQUIN));
@@ -955,10 +1166,10 @@ public class PPTest extends JavaPlugin {
     }
 
     private void misc(Location o) {
-        w.dropItem(o.clone().add(0, 0.2, 0), it(Material.DIAMOND_SWORD), i -> i.setVelocity(new Vector()));
-        w.dropItem(o.clone().add(1, 0.2, 0), it(Material.OAK_LOG), i -> i.setVelocity(new Vector()));
-        w.dropItem(o.clone().add(2, 0.2, 0), new ItemStack(Material.COBBLESTONE, 32), i -> i.setVelocity(new Vector()));
-        w.dropItem(o.clone().add(3, 0.2, 0), it(Material.APPLE), i -> i.setVelocity(new Vector()));
+        drop(o, 0, 0, 0, it(Material.DIAMOND_SWORD), 30);
+        drop(o, 1, 0, 0, it(Material.OAK_LOG), 60);
+        drop(o, 2, 0, 0, new ItemStack(Material.COBBLESTONE, 32), 0);
+        drop(o, 3, 0, 0, it(Material.APPLE), 90);
         FallingBlock fb = w.spawn(o.clone().add(4.5, 0.5, 0.5), FallingBlock.class, f -> f.setGravity(false));
         fb.setBlockData(Bukkit.createBlockData("minecraft:sand"));
         TNTPrimed tnt = w.spawn(o.clone().add(6, 0, 0.5), TNTPrimed.class);