entity state poses from the vanilla dump: sleeping/sitting/crouching/swimming/gliding, fox/cat/panda/parrot/bat/camel/sniffer poses with pose transforms, per-sub-model poses (baby pivots), armor-stand part poses and body pitch via rotation bindings, fish in water, beds, shoulder parrots, pose test scenes

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

@@ -39,9 +39,22 @@ public record EntityState(
         ItemSpec headItem, // non-armor item worn in the head slot (pumpkin, skull, block, …); null = none
         int collar, // ARGB dye of a tamed cat's/wolf's collar; 0 = no collar (untamed)
         boolean powered, // energy-swirl layer: charged creeper, wither below half health
-        ItemSpec mouthItem // item carried in the mouth (fox/dolphin main hand); null = none
+        ItemSpec mouthItem, // item carried in the mouth (fox/dolphin main hand); null = none
+        String pose, // state pose flags, sorted and "+"-joined ("sitting", "lying+head_up", "sleeping", "in_water",
+        // …; the dump's STATE_POSES names, unknown ones are ignored per type); null = none (idle)
+        java.util.Map<String, float[]> partPoses, // continuous part poses by vanilla render-state field (armor stand
+        // "headPose"/"bodyPose"/"leftArmPose"/…: x/y/z degrees); null = defaults
+        String shoulderLeft, // parrot variant on a player's left shoulder (e.g. "red"); null = none
+        String shoulderRight // parrot variant on the right shoulder; null = none
         ) {
 
+    /** Whether the state pose flags contain {@code flag}. */
+    public boolean hasPose(String flag) {
+        if (pose == null) return false;
+        for (String f : pose.split("\\+")) if (f.equals(flag)) return true;
+        return false;
+    }
+
     /** Worn armor (4 slots) of a humanoid wearer; any field may be null. */
     public record Equipment(EquipPiece head, EquipPiece chest, EquipPiece legs, EquipPiece feet) {
         public boolean isEmpty() {

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

@@ -111,23 +111,30 @@ public final class CemBaker implements EntityBaker<EntityState> {
         if (info == null) info = models.entityInfo(base);
         boolean halfBaby = s.baby() && (ch == null || !ch.babyModel); // no dedicated baby model -> 0.5x adult
         double extra = (halfBaby ? 0.5 : 1.0) * s.sizeScale();
+        SelectedPose sel = vanilla ? selectPose(s, info, ch) : SelectedPose.NONE;
+        Affine t0 = null;
         Affine pre;
         Affine place;
         if (vanilla) {
             // Vanilla placement: the renderer's own captured pose (incl. its scale / offsets), yaw and pitch
-            // applied the way that renderer applies them. CEM px -> Java model units: F·T(0,-24,0)/16.
+            // applied the way that renderer applies them — the pose's own when it changes them (sleeping in a
+            // bed, swimming, fish in water, …). CEM px -> Java model units: F·T(0,-24,0)/16.
+            CemModelLoader.PoseTransform pt = sel.transform();
             boolean captured = info != null && info.transform() != null;
-            Affine t0 = captured ? Affine.fromColumnMajor(info.transform()) : DEFAULT_LIVING_TRANSFORM;
+            double[] tr = pt != null && pt.transform() != null ? pt.transform() : captured ? info.transform() : null;
+            t0 = tr != null ? Affine.fromColumnMajor(tr) : DEFAULT_LIVING_TRANSFORM;
             pre = t0.mul(Affine.scale(1 / 16.0)).mul(CemGeometry.CEM_TO_JAVA);
-            int yawSign = captured ? info.yawSign() : -1;
+            int yawSign = pt != null ? pt.yawSign() : captured ? info.yawSign() : -1;
+            double[] pitchAxis = pt != null ? pt.pitchAxis() : info != null ? info.pitchAxis() : null;
             place = Affine.translation(s.x(), s.y(), s.z())
                     .mul(Affine.scale(extra))
                     .mul(Affine.rotY(yawSign * Math.toRadians(s.bodyYaw())));
             // Projectiles (verified against ArrowRenderer/ThrownTridentRenderer 26.3): T0 = rotY(-90)[·rotZ(90)],
             // pitchAxis = -X, so rotY(yaw)·rotAxis(-X, pitch)·T0 == vanilla rotY(yRot-90)·rotZ(xRot[+90]) with the
             // raw projectile rotation (yaw atan2(dx,dz), pitch positive up); origin = entity position, no offset.
-            if (info != null && info.pitchAxis() != null && s.pitch() != 0) {
-                double[] a = info.pitchAxis();
+            // Mob poses: the pitch rotation follows the body yaw directly (swimming/gliding players, pouncing fox).
+            if (pitchAxis != null && s.pitch() != 0) {
+                double[] a = pitchAxis;
                 place = place.mul(Affine.rotAxis(a[0], a[1], a[2], Math.toRadians(s.pitch())));
             }
         } else {
@@ -136,7 +143,7 @@ public final class CemBaker implements EntityBaker<EntityState> {
         }
 
         // Body: baked even when invisible — not drawn, but it yields the part frames (and legacy ground snap).
-        Pose pose = new Pose(pre, vanilla ? selectPose(s, info) : Map.of());
+        Pose pose = new Pose(pre, vanilla ? withBindings(sel.parts(), s, info) : Map.of());
         Map<String, Affine> frames = new java.util.HashMap<>();
         List<CemGeometry.Baked> body =
                 (model != null && tex != null) ? CemGeometry.bakePosed(model, tex, pre, pose.parts, frames) : List.of();
@@ -152,6 +159,7 @@ public final class CemBaker implements EntityBaker<EntityState> {
         if (vanilla && s.equipment() != null && info != null && info.humanoidArmor()) {
             addArmorLayers(s, ch, pose, baked);
         }
+        if (vanilla && !invisible) addShoulderParrots(s, ch, t0, baked);
         List<EntityCube> itemCubes = new ArrayList<>();
         if (vanilla && items != null) addItems(s, frames, isIllager(info), itemCubes);
         if (baked.isEmpty() && glow.isEmpty() && itemCubes.isEmpty()) return invisible ? null : fallbackBox(s, tex);
@@ -184,16 +192,33 @@ public final class CemBaker implements EntityBaker<EntityState> {
         }
     }
 
+    /** A chosen pose variant: its name, part overrides and (when it changes it) the renderer transform. */
+    private record SelectedPose(
+            String name, Map<String, CemModelLoader.PartPose> parts, CemModelLoader.PoseTransform transform) {
+        static final SelectedPose NONE = new SelectedPose(null, Map.of(), null);
+    }
+
+    // Toggle flags that switch parts on/off or seat the entity; kept when held-item flags are dropped.
+    private static final java.util.Set<String> PART_TOGGLES = java.util.Set.of("passenger", "arms", "chest");
+
     /**
      * Picks the vanilla pose variant for the entity's state flags — the render-state fields vanilla's
-     * {@code setupAnim} reads, dumped per type: sitting ({@code passenger}), holding items ({@code item_r}/
-     * {@code item_l}), illagers' crossbow hold ({@code arms_*}), armor-stand arms ({@code arms}), chests
-     * ({@code chest}). Falls back to fewer flags when the exact combination has no own variant (identical to
-     * a simpler pose): first without the held-item flags (e.g. zombies' arms ignore held items), then with
-     * the part-toggling flags only.
+     * {@code setupAnim} / renderer read, dumped per type and per body model (baby/small models have their own
+     * pivots): sitting as a passenger ({@code passenger}), holding items ({@code item_r}/{@code item_l}),
+     * illagers' crossbow hold ({@code arms_*}), armor-stand arms ({@code arms}), chests ({@code chest}) and the
+     * state poses of {@link EntityState#pose()} (sleeping, sitting, crouching, lying, swimming, in_water, …;
+     * flags the type's dump doesn't know are ignored). Falls back to fewer flags when the exact combination has
+     * no own variant (identical to a simpler pose): state-pose subsets from all to none, each first with all
+     * other flags, then without the held-item flags (e.g. zombies' arms ignore held items), then with the
+     * part-toggling flags only.
      */
-    private static Map<String, CemModelLoader.PartPose> selectPose(EntityState s, CemModelLoader.EntityInfo info) {
-        if (info == null || info.poses().isEmpty()) return Map.of();
+    private SelectedPose selectPose(EntityState s, CemModelLoader.EntityInfo info, Choice ch) {
+        if (info == null) return SelectedPose.NONE;
+        String sub = ch == null || ch.name.equals(ch.base) || !ch.name.startsWith(ch.base + "/")
+                ? null
+                : ch.name.substring(ch.base.length() + 1);
+        CemModelLoader.PoseSet set = info.poseSet(sub);
+        if (set.poses().isEmpty()) return SelectedPose.NONE;
         List<String> flags = new ArrayList<>();
         if (isIllager(info)) {
             if (isCrossbow(s.rightHand()) || isCrossbow(s.leftHand())) flags.add("arms_crossbow_hold");
@@ -204,19 +229,99 @@ public final class CemBaker implements EntityBaker<EntityState> {
         if (s.passenger()) flags.add("passenger");
         if (s.arms()) flags.add("arms");
         if (s.chest()) flags.add("chest");
+        List<String> states = new ArrayList<>();
+        if (s.pose() != null) {
+            java.util.Set<String> known = knownPoseFlags(set);
+            for (String f : s.pose().split("\\+")) if (known.contains(f) && !states.contains(f)) states.add(f);
+        }
         List<List<String>> tries = new ArrayList<>();
-        tries.add(flags);
-        tries.add(flags.stream().filter(f -> !f.startsWith("item_")).toList());
-        tries.add(flags.stream()
-                .filter(f -> f.equals("passenger") || f.equals("arms") || f.equals("chest"))
-                .toList());
+        for (List<String> st : subsetsBySize(states)) {
+            List<String> all = new ArrayList<>(st);
+            all.addAll(flags);
+            tries.add(all);
+            List<String> noItems = new ArrayList<>(st);
+            flags.stream().filter(f -> !f.startsWith("item_")).forEach(noItems::add);
+            tries.add(noItems);
+            List<String> toggles = new ArrayList<>(st);
+            flags.stream().filter(PART_TOGGLES::contains).forEach(toggles::add);
+            tries.add(toggles);
+        }
         for (List<String> t : tries) {
             if (t.isEmpty()) continue;
-            Map<String, CemModelLoader.PartPose> p =
-                    info.poses().get(String.join("+", t.stream().sorted().toList()));
-            if (p != null) return p;
+            String name = String.join("+", t.stream().sorted().toList());
+            Map<String, CemModelLoader.PartPose> p = set.poses().get(name);
+            if (p != null) return new SelectedPose(name, p, set.transforms().get(name));
         }
-        return Map.of();
+        return SelectedPose.NONE;
+    }
+
+    /** Every flag that occurs in a pose name of the set (cached per loaded pose map). */
+    private final Map<Map<String, Map<String, CemModelLoader.PartPose>>, java.util.Set<String>> knownFlags =
+            java.util.Collections.synchronizedMap(new java.util.IdentityHashMap<>());
+
+    private java.util.Set<String> knownPoseFlags(CemModelLoader.PoseSet set) {
+        return knownFlags.computeIfAbsent(set.poses(), poses -> {
+            java.util.Set<String> out = new java.util.HashSet<>();
+            for (String n : poses.keySet()) out.addAll(List.of(n.split("\\+")));
+            return out;
+        });
+    }
+
+    /** All subsets of {@code l}, largest first (input order within a size); the empty set last. */
+    private static List<List<String>> subsetsBySize(List<String> l) {
+        List<List<String>> out = new ArrayList<>();
+        int n = Math.min(l.size(), 6);
+        for (int size = n; size >= 0; size--) {
+            for (int mask = 0; mask < (1 << n); mask++) {
+                if (Integer.bitCount(mask) != size) continue;
+                List<String> sub = new ArrayList<>();
+                for (int i = 0; i < n; i++) if ((mask & (1 << i)) != 0) sub.add(l.get(i));
+                out.add(sub);
+            }
+        }
+        return out;
+    }
+
+    /**
+     * The pose overrides plus the dump's rotation bindings: armor-stand part poses ({@code headPose}, …, from
+     * {@link EntityState#partPoses()}) and body pitch ({@code xRot} = {@link EntityState#pitch()}: dolphins,
+     * striders, nautili), each added as {@code coeff · (value − default)} to the bound parts' rotation.
+     */
+    private static Map<String, CemModelLoader.PartPose> withBindings(
+            Map<String, CemModelLoader.PartPose> parts, EntityState s, CemModelLoader.EntityInfo info) {
+        if (info == null || info.rotationBindings().isEmpty()) return parts;
+        Map<String, CemModelLoader.PartPose> out = null;
+        for (Map.Entry<String, CemModelLoader.RotationBinding> b :
+                info.rotationBindings().entrySet()) {
+            double[] value;
+            if (b.getKey().equals("xRot")) {
+                value = new double[] {s.pitch()};
+            } else {
+                float[] v = s.partPoses() == null ? null : s.partPoses().get(b.getKey());
+                if (v == null) continue;
+                value = new double[] {v[0], v[1], v[2]};
+            }
+            double[] def = b.getValue().def();
+            double[] delta = new double[3];
+            boolean any = false;
+            for (int j = 0; j < value.length && j < 3; j++) {
+                delta[j] = value[j] - (def != null && j < def.length ? def[j] : 0);
+                any |= Math.abs(delta[j]) > 1e-6;
+            }
+            if (!any) continue;
+            if (out == null) out = new java.util.HashMap<>(parts);
+            for (Map.Entry<String, double[]> pc : b.getValue().parts().entrySet()) {
+                double[] c = pc.getValue();
+                double[] add = new double[3];
+                for (int i = 0; i < 3; i++)
+                    add[i] = c[i * 3] * delta[0] + c[i * 3 + 1] * delta[1] + c[i * 3 + 2] * delta[2];
+                CemModelLoader.PartPose cur = out.get(pc.getKey());
+                out.put(
+                        pc.getKey(),
+                        cur != null ? cur.plusRotation(add) : new CemModelLoader.PartPose(null, null, null, null, add));
+            }
+        }
+        return out == null ? parts : out;
     }
 
     private static boolean isCrossbow(ItemSpec i) {
@@ -274,25 +379,68 @@ public final class CemBaker implements EntityBaker<EntityState> {
 
     /**
      * Item carried in the mouth, rendered in the "ground" context like vanilla (HoldingEntityRenderState).
-     * Fox (FoxHeldItemLayer, awake): head pivot · [baby: S(0.75)] · head rotation · T(0.06, 0.27 [baby 0.26],
-     * -0.5) · rotX(90) — the head frame carries exactly that pivot + rotation. Dolphin (DolphinCarryingItemLayer)
-     * at the model root · T(0, 1, -1) (its xRot-dependent shift is 0: PixelPics dolphins aren't pitched).
+     * Fox (FoxHeldItemLayer): head PIVOT (the layer turns by the head-look angles, not the posed head part:
+     * PixelPics has no head look) · [baby: S(0.75)] · T(0.06, 0.27 [baby 0.26], -0.5) · rotX(90); asleep
+     * T(0.46, 0.26, 0.22) [baby (0.4, 0.26, 0.15)] · rotX(90) · rotZ(90). Dolphin (DolphinCarryingItemLayer) at
+     * the model root · T(0, 1 − a·0.5, −1 + a·0.5) looking up / T(0, 1 + a·0.8, −1 + a·0.2) looking down,
+     * a = |pitch| / 60.
      */
     private void addMouthItem(EntityState s, Map<String, Affine> frames, List<EntityCube> out) {
         ItemSpec item = s.mouthItem();
         if (item == null) return;
         boolean baby = s.baby();
         Affine x = null;
-        if (s.typeKey().equals("fox") && frames.containsKey("head")) {
-            x = frames.get("head").mul(CemGeometry.JAVA_LOCAL);
+        String headPivot = CemGeometry.PIVOT + "head";
+        if (s.typeKey().equals("fox") && frames.containsKey(headPivot)) {
+            boolean asleep = s.hasPose("sleeping");
+            x = frames.get(headPivot).mul(CemGeometry.JAVA_LOCAL);
             if (baby) x = x.mul(Affine.scale(0.75));
-            x = x.mul(Affine.translation(0.06, baby ? 0.26 : 0.27, -0.5)).mul(Affine.rotX(Math.PI / 2));
+            if (asleep) {
+                x = x.mul(baby ? Affine.translation(0.4, 0.26, 0.15) : Affine.translation(0.46, 0.26, 0.22))
+                        .mul(Affine.rotX(Math.PI / 2))
+                        .mul(Affine.rotZ(Math.PI / 2));
+            } else {
+                x = x.mul(Affine.translation(0.06, baby ? 0.26 : 0.27, -0.5)).mul(Affine.rotX(Math.PI / 2));
+            }
         } else if (s.typeKey().equals("dolphin") && frames.containsKey("root")) {
-            x = frames.get("root").mul(CemGeometry.JAVA_LOCAL).mul(Affine.translation(0, 1, -1));
+            double a = Math.abs(s.pitch()) / 60.0;
+            Affine off = s.pitch() < 0
+                    ? Affine.translation(0, 1 - a * 0.5, -1 + a * 0.5)
+                    : Affine.translation(0, 1 + a * 0.8, -1 + a * 0.2);
+            x = frames.get("root").mul(CemGeometry.JAVA_LOCAL).mul(off);
         }
         if (x != null) items.bake(item, "ground", false, x, out);
     }
 
+    /**
+     * Parrots on a player's shoulders (vanilla ParrotOnShoulderLayer): the parrot model in its ON_SHOULDER pose,
+     * in the player's model space at T(±0.4, -1.5 [crouching -1.3], 0), textured by its variant.
+     */
+    private void addShoulderParrots(EntityState s, Choice ch, Affine t0, List<CemGeometry.Baked> baked) {
+        if (t0 == null || (s.shoulderLeft() == null && s.shoulderRight() == null)) return;
+        if (ch == null || !ch.base.startsWith("player")) return;
+        CemModelLoader.CemModel pm = models.vanilla("parrot");
+        CemModelLoader.EntityInfo pi = models.entityInfo("parrot");
+        if (pm == null || pi == null) return;
+        Map<String, CemModelLoader.PartPose> parts = pi.poses().getOrDefault("on_shoulder", Map.of());
+        double y = s.hasPose("crouching") ? -1.3 : -1.5;
+        for (int side = 0; side < 2; side++) {
+            String variant = side == 0 ? s.shoulderLeft() : s.shoulderRight();
+            if (variant == null) continue;
+            int[][] tex = null;
+            for (ResourceLocation rl : EntityModels.textureCandidates("parrot", variant)) {
+                tex = texture(rl.path());
+                if (tex != null) break;
+            }
+            if (tex == null && pi.texture() != null) tex = texture(pi.texture());
+            if (tex == null) continue;
+            Affine pre = t0.mul(Affine.translation(side == 0 ? 0.4 : -0.4, y, 0))
+                    .mul(Affine.scale(1 / 16.0))
+                    .mul(CemGeometry.CEM_TO_JAVA);
+            baked.addAll(CemGeometry.bakePosed(pm, tex, pre, parts, null));
+        }
+    }
+
     private static boolean isIllager(CemModelLoader.EntityInfo info) {
         return info != null && info.poses().keySet().stream().anyMatch(k -> k.startsWith("arms_"));
     }

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

@@ -81,6 +81,9 @@ final class CemGeometry {
     /** Key prefix in the frames map marking parts that were actually drawn (visible). */
     static final String DRAWN = "drawn:";
 
+    /** Key prefix in the frames map for a part's pivot frame {@code parent·T(P)} (without its own rotation). */
+    static final String PIVOT = "pivot:";
+
     private record Ctx(
             Set<String> hidden,
             int texW,
@@ -107,31 +110,35 @@ final class CemGeometry {
     private static void bakeAbsolute(CemModelLoader.CemPart part, Affine parentWorld, Ctx ctx, boolean draw) {
         if (ctx.hidden.contains(part.name())) return;
         CemModelLoader.PartPose ov = ctx.overrides.get(part.name());
-        boolean invisible = ov != null ? !ov.visible() : part.invisible();
+        boolean invisible = ov != null && ov.visible() != null ? !ov.visible() : part.invisible();
         if (invisible) {
             if (ctx.frames == null) return;
             draw = false;
         }
-        if (ov != null && ov.pivot() == null) ov = null; // visibility-only override: applied above
-        double[] o = ov != null ? ov.pivot() : part.pivot();
-        double[] rot = ov != null ? ov.rotate() : part.rotate();
-        Affine world = parentWorld
-                .mul(Affine.translation(o[0], o[1], o[2]))
+        double[] scale = ov != null && ov.scale() != null ? ov.scale() : part.scale();
+        double[] add = ov == null ? null : ov.rotateAdd();
+        boolean moved = ov != null && ov.pivot() != null; // else visibility/scale/extra-rotation only
+        double[] o = moved ? ov.pivot() : part.pivot();
+        double[] rot = moved ? ov.rotate() : part.rotate();
+        if (add != null) rot = new double[] {rot[0] + add[0], rot[1] + add[1], rot[2] + add[2]};
+        Affine pivotFrame = parentWorld.mul(Affine.translation(o[0], o[1], o[2]));
+        Affine world = pivotFrame
                 .mul(Affine.rotZ(Math.toRadians(rot[2])))
                 .mul(Affine.rotY(Math.toRadians(rot[1])))
                 .mul(Affine.rotX(Math.toRadians(rot[0])));
-        if (part.scale() != null) {
+        if (scale != null) {
             // A collapsed (zero) scale is vanilla's way to hide a part; it would also be non-invertible.
-            for (double v : part.scale()) if (Math.abs(v) < 1e-6) return;
-            world = world.mul(Affine.scale(part.scale()[0], part.scale()[1], part.scale()[2]));
+            for (double v : scale) if (Math.abs(v) < 1e-6) return;
+            world = world.mul(Affine.scale(scale[0], scale[1], scale[2]));
         }
         if (ctx.frames != null) {
             ctx.frames.putIfAbsent(part.name(), world);
+            ctx.frames.putIfAbsent(PIVOT + part.name(), pivotFrame);
             if (draw) ctx.frames.putIfAbsent(DRAWN + part.name(), world);
         }
         world = world.mul(Affine.translation(-o[0], -o[1], -o[2]));
         Affine boxWorld = world;
-        if (ov != null) {
+        if (moved) {
             // Boxes are stored relative to the idle pivot: move them along with the overridden pivot
             // (children carry their own absolute pivots, so they use the un-shifted transform).
             double[] p0 = part.pivot();

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

@@ -66,19 +66,54 @@ public final class CemModelLoader {
             double[] pitchAxis, // world-frame axis the pitch rotates about; null = pitch ignored
             Map<String, Map<String, PartPose>> poses, // pose ("passenger+item_r", "arms", "chest", …) -> overrides
             Map<String, Boolean> layers, // render layer class -> drawn for the default (idle, unequipped) state
-            boolean humanoidArmor) { // the renderer has a HumanoidArmorLayer (wears humanoid armor)
+            boolean humanoidArmor, // the renderer has a HumanoidArmorLayer (wears humanoid armor)
+            Map<String, PoseTransform> poseTransforms, // pose -> renderer transform when it differs (sleeping, …)
+            Map<String, PoseSet> modelPoses, // body sub-model ("baby", "smallModel", …) -> its own poses
+            Map<String, RotationBinding> rotationBindings) { // state field ("headPose", "xRot", …) -> part rotations
 
         /** Whether the vanilla renderer draws this layer for an entity in its default state. */
         public boolean layerDrawnByDefault(String layerClass) {
             return layers.getOrDefault(layerClass, false);
         }
+
+        /** The poses of a body model: its own set when the dump has one, else the main model's. */
+        public PoseSet poseSet(String subModel) {
+            PoseSet own = subModel == null ? null : modelPoses.get(subModel);
+            return own != null ? own : new PoseSet(poses, poseTransforms);
+        }
     }
 
+    /** Pose overrides + renderer transforms of one body model (see {@link EntityInfo#poseSet}). */
+    public record PoseSet(Map<String, Map<String, PartPose>> poses, Map<String, PoseTransform> transforms) {}
+
+    /**
+     * The renderer transform of a pose (like {@link EntityInfo#transform}/{@code yawSign}/{@code pitchAxis}):
+     * e.g. sleeping turns the body by the bed direction (yawSign +1), swimming pitches it.
+     */
+    public record PoseTransform(double[] transform, int yawSign, double[] pitchAxis) {}
+
+    /**
+     * A continuous state input bound linearly to part rotations: {@code part rotate += coeff · (value − def)},
+     * {@code coeff} row-major 3×3 (row = CEM rotate axis, column = input component). Armor-stand part poses,
+     * body pitch.
+     */
+    public record RotationBinding(double[] def, Map<String, double[]> parts) {}
+
     /**
      * A posed part override: absolute CEM pivot and CEM rotation (deg) — both null for a pure visibility
-     * toggle (the part keeps the pivot of whichever model it is in) — and visibility.
+     * toggle (the part keeps the pivot of whichever model it is in) — visibility (null = the part's own), scale
+     * (null = the part's own) and an extra rotation (deg, added to whichever rotation applies; null = none).
      */
-    public record PartPose(double[] pivot, double[] rotate, boolean visible) {}
+    public record PartPose(double[] pivot, double[] rotate, Boolean visible, double[] scale, double[] rotateAdd) {
+
+        /** This override plus an extra rotation (rotation bindings). */
+        public PartPose plusRotation(double[] add) {
+            double[] r = rotateAdd == null
+                    ? add
+                    : new double[] {rotateAdd[0] + add[0], rotateAdd[1] + add[1], rotateAdd[2] + add[2]};
+            return new PartPose(pivot, rotate, visible, scale, r);
+        }
+    }
 
     /**
      * Client assets of a data-driven mob variant ({@code data/<ns>/<type>_variant/<key>.json}): the texture
@@ -190,9 +225,12 @@ public final class CemModelLoader {
                                 doubles(o, "transform"),
                                 o.has("yawSign") ? o.get("yawSign").getAsInt() : -1,
                                 doubles(o, "pitchAxis"),
-                                poses(o),
+                                poses(o.getAsJsonObject("poses")),
                                 layers(o),
-                                o.has("humanoidArmor") && o.get("humanoidArmor").getAsBoolean()));
+                                o.has("humanoidArmor") && o.get("humanoidArmor").getAsBoolean(),
+                                poseTransforms(o.getAsJsonObject("poseTransforms")),
+                                modelPoses(o.getAsJsonObject("modelPoses")),
+                                rotationBindings(o.getAsJsonObject("rotationBindings"))));
             }
             if (root.has("variants")) {
                 for (Map.Entry<String, JsonElement> t :
@@ -315,10 +353,10 @@ public final class CemModelLoader {
         return o.has("mirrorTexture") && o.get("mirrorTexture").getAsString().contains("u");
     }
 
-    private static Map<String, Map<String, PartPose>> poses(JsonObject o) {
+    private static Map<String, Map<String, PartPose>> poses(JsonObject poses) {
         Map<String, Map<String, PartPose>> out = new HashMap<>();
-        if (!o.has("poses")) return out;
-        for (Map.Entry<String, JsonElement> v : o.getAsJsonObject("poses").entrySet()) {
+        if (poses == null) return out;
+        for (Map.Entry<String, JsonElement> v : poses.entrySet()) {
             Map<String, PartPose> parts = new HashMap<>();
             for (Map.Entry<String, JsonElement> pe :
                     v.getValue().getAsJsonObject().entrySet()) {
@@ -328,13 +366,60 @@ public final class CemModelLoader {
                         new PartPose(
                                 po.has("pivot") ? arr3(po, "pivot") : null,
                                 po.has("rotate") ? arr3(po, "rotate") : null,
-                                !po.has("visible") || po.get("visible").getAsBoolean()));
+                                !po.has("visible") || po.get("visible").getAsBoolean(),
+                                po.has("scale") ? arr3(po, "scale") : null,
+                                null));
             }
             out.put(v.getKey(), parts);
         }
         return out;
     }
 
+    private static Map<String, PoseTransform> poseTransforms(JsonObject o) {
+        Map<String, PoseTransform> out = new HashMap<>();
+        if (o == null) return out;
+        for (Map.Entry<String, JsonElement> e : o.entrySet()) {
+            JsonObject t = e.getValue().getAsJsonObject();
+            out.put(
+                    e.getKey(),
+                    new PoseTransform(
+                            doubles(t, "transform"),
+                            t.has("yawSign") ? t.get("yawSign").getAsInt() : -1,
+                            doubles(t, "pitchAxis")));
+        }
+        return out;
+    }
+
+    private static Map<String, PoseSet> modelPoses(JsonObject o) {
+        Map<String, PoseSet> out = new HashMap<>();
+        if (o == null) return out;
+        for (Map.Entry<String, JsonElement> e : o.entrySet()) {
+            JsonObject m = e.getValue().getAsJsonObject();
+            out.put(
+                    e.getKey(),
+                    new PoseSet(
+                            poses(m.getAsJsonObject("poses")), poseTransforms(m.getAsJsonObject("poseTransforms"))));
+        }
+        return out;
+    }
+
+    private static Map<String, RotationBinding> rotationBindings(JsonObject o) {
+        Map<String, RotationBinding> out = new HashMap<>();
+        if (o == null) return out;
+        for (Map.Entry<String, JsonElement> e : o.entrySet()) {
+            JsonObject b = e.getValue().getAsJsonObject();
+            Map<String, double[]> parts = new HashMap<>();
+            for (Map.Entry<String, JsonElement> p : b.getAsJsonObject("parts").entrySet()) {
+                JsonArray a = p.getValue().getAsJsonArray();
+                double[] c = new double[9];
+                for (int i = 0; i < 9 && i < a.size(); i++) c[i] = a.get(i).getAsDouble();
+                parts.put(p.getKey(), c);
+            }
+            out.put(e.getKey(), new RotationBinding(doubles(b, "default"), parts));
+        }
+        return out;
+    }
+
     private static Map<String, Boolean> layers(JsonObject o) {
         Map<String, Boolean> out = new HashMap<>();
         if (o.has("layers")) {

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

@@ -26,6 +26,7 @@ import org.bukkit.entity.AbstractHorse;
 import org.bukkit.entity.Ageable;
 import org.bukkit.entity.ArmorStand;
 import org.bukkit.entity.Axolotl;
+import org.bukkit.entity.Bat;
 import org.bukkit.entity.Cat;
 import org.bukkit.entity.ChestedHorse;
 import org.bukkit.entity.Creeper;
@@ -44,7 +45,9 @@ import org.bukkit.entity.PufferFish;
 import org.bukkit.entity.Rabbit;
 import org.bukkit.entity.Sheep;
 import org.bukkit.entity.Shulker;
+import org.bukkit.entity.Sittable;
 import org.bukkit.entity.Slime;
+import org.bukkit.entity.Sniffer;
 import org.bukkit.entity.Snowman;
 import org.bukkit.entity.TraderLlama;
 import org.bukkit.entity.Trident;
@@ -275,11 +278,35 @@ public final class EntitySnapshotBuilder {
         // (vanilla dump), so the wearer list follows the game version.
         EntityState.Equipment equipment = e instanceof LivingEntity wearer ? captureEquipment(wearer) : null;
 
+        String pose = poseFlags(e);
+        double x = loc.getX(), z = loc.getZ();
+        if (pose != null && pose.contains("sleeping") && e instanceof LivingEntity sleeper && !(e instanceof Fox)) {
+            // LivingEntityRenderer: a sleeper in a bed lies along the bed (yaw from the bed direction instead of
+            // the body yaw) and is shifted by its standing eye height - 0.1 towards the foot end.
+            org.bukkit.block.BlockFace bed = bedFacing(e);
+            if (bed != null) {
+                bodyYaw = switch (bed) {
+                    case SOUTH -> 90;
+                    case NORTH -> 270;
+                    case EAST -> 180;
+                    default -> 0;};
+                double off = standingEyeHeight(sleeper) - 0.1;
+                x -= bed.getModX() * off;
+                z -= bed.getModZ() * off;
+            }
+        }
+        java.util.Map<String, float[]> partPoses = e instanceof ArmorStand as ? armorStandPoses(as) : null;
+        String shoulderLeft = null, shoulderRight = null;
+        if (e instanceof HumanEntity he) {
+            shoulderLeft = shoulderParrot(he, true);
+            shoulderRight = shoulderParrot(he, false);
+        }
+
         return new EntityState(
                 type,
-                loc.getX(),
+                x,
                 loc.getY(),
-                loc.getZ(),
+                z,
                 bodyYaw,
                 baby,
                 width,
@@ -308,7 +335,133 @@ public final class EntitySnapshotBuilder {
                 headItem,
                 collar,
                 powered,
-                mouthItem);
+                mouthItem,
+                pose,
+                partPoses,
+                shoulderLeft,
+                shoulderRight);
+    }
+
+    /**
+     * The entity's state-pose flags (names of the vanilla dump's STATE_POSES, sorted, "+"-joined; null = idle):
+     * the generic {@link Entity#getPose()} (sleeping, crouching, swimming/crawling, fall_flying, sitting,
+     * digging) plus the per-mob flags vanilla's renderers read from the entity (sitting pets/pandas/camels,
+     * fox sleeping/crouching/leaping/faceplanted, cat lying/head up/on a sleeping player, panda on its back,
+     * resting bat, standing/dancing parrot) and {@code in_water}. The baker ignores flags a type doesn't know.
+     */
+    private static String poseFlags(Entity e) {
+        java.util.TreeSet<String> f = new java.util.TreeSet<>();
+        try {
+            switch (e.getPose()) {
+                case SLEEPING -> f.add("sleeping");
+                case SNEAKING -> f.add("crouching");
+                case SWIMMING -> f.add(e.isInWater() ? "swimming" : "crawling");
+                case FALL_FLYING -> f.add("fall_flying");
+                case SITTING -> f.add("sitting");
+                case DIGGING -> f.add("digging");
+                default -> {}
+            }
+            if (e instanceof LivingEntity le && le.isGliding()) f.add("fall_flying");
+            if (e.isInWater()) f.add("in_water");
+            if (e instanceof Sittable st && st.isSitting()) f.add("sitting");
+            if (e instanceof Fox fox) {
+                if (fox.isSleeping()) f.add("sleeping");
+                if (fox.isCrouching()) f.add("crouching");
+                if (fox.isLeaping()) f.add("pouncing");
+                if (fox.isFaceplanted()) f.add("faceplanted");
+            } else if (e instanceof Cat cat) {
+                if (cat.isLyingDown()) {
+                    f.add("lying");
+                    if (sleepingPlayerNear(cat)) f.add("on_player");
+                }
+                if (cat.isHeadUp()) f.add("head_up");
+            } else if (e instanceof Panda pa) {
+                if (pa.isOnBack()) f.add("on_back");
+            } else if (e instanceof Bat bat) {
+                if (!bat.isAwake()) f.add("resting");
+            } else if (e instanceof Parrot pa) {
+                // ParrotModel.getPose: party > sitting > flying (= not on the ground) > standing.
+                if (pa.isDancing()) f.add("party");
+                else if (!pa.isSitting() && pa.isOnGround()) f.add("standing");
+            } else if (e instanceof Sniffer sn && sn.getState() == Sniffer.State.DIGGING) {
+                f.add("digging");
+            }
+        } catch (Throwable ignored) {
+            // API missing on this server version: render the flags found so far
+        }
+        return f.isEmpty() ? null : String.join("+", f);
+    }
+
+    /** Cat.isLyingOnTopOfSleepingPlayer: a sleeping player within the cat's block box inflated by 2. */
+    private static boolean sleepingPlayerNear(Entity cat) {
+        Location l = cat.getLocation();
+        org.bukkit.util.BoundingBox box = new org.bukkit.util.BoundingBox(
+                l.getBlockX() - 2,
+                l.getBlockY() - 2,
+                l.getBlockZ() - 2,
+                l.getBlockX() + 3,
+                l.getBlockY() + 3,
+                l.getBlockZ() + 3);
+        for (Entity p : cat.getWorld().getNearbyEntities(box, en -> en instanceof Player)) {
+            if (((Player) p).isSleeping()) return true;
+        }
+        return false;
+    }
+
+    /**
+     * Eye height in the STANDING pose (vanilla state.eyeHeight of a sleeper): {@code getEyeHeight(true)} returns the
+     * sleeping pose's 0.2 on Paper 26.x, so ask the server entity ({@code getEyeHeight(Pose.STANDING)}).
+     */
+    private static double standingEyeHeight(LivingEntity le) {
+        try {
+            Object handle = le.getClass().getMethod("getHandle").invoke(le);
+            for (java.lang.reflect.Method m : handle.getClass().getMethods()) {
+                if (!m.getName().equals("getEyeHeight") || m.getParameterCount() != 1) continue;
+                Class<?> pose = m.getParameterTypes()[0];
+                if (!pose.isEnum()) continue;
+                for (Object c : pose.getEnumConstants()) {
+                    if (((Enum<?>) c).name().equals("STANDING")) return ((Number) m.invoke(handle, c)).doubleValue();
+                }
+            }
+        } catch (ReflectiveOperationException | RuntimeException ignored) {
+            // fall through
+        }
+        return le.getEyeHeight(true);
+    }
+
+    /** Facing of the bed the entity sleeps in (LivingEntity.getBedOrientation = the bed block's FACING), or null. */
+    private static org.bukkit.block.BlockFace bedFacing(Entity e) {
+        org.bukkit.block.data.BlockData bd = e.getLocation().getBlock().getBlockData();
+        return bd instanceof org.bukkit.block.data.type.Bed bed ? bed.getFacing() : null;
+    }
+
+    /** Armor-stand part poses in degrees, keyed by the vanilla render-state field (dump rotation bindings). */
+    private static java.util.Map<String, float[]> armorStandPoses(ArmorStand as) {
+        java.util.Map<String, float[]> out = new java.util.HashMap<>();
+        out.put("headPose", deg(as.getHeadPose()));
+        out.put("bodyPose", deg(as.getBodyPose()));
+        out.put("leftArmPose", deg(as.getLeftArmPose()));
+        out.put("rightArmPose", deg(as.getRightArmPose()));
+        out.put("leftLegPose", deg(as.getLeftLegPose()));
+        out.put("rightLegPose", deg(as.getRightLegPose()));
+        return out;
+    }
+
+    private static float[] deg(org.bukkit.util.EulerAngle a) {
+        return new float[] {
+            (float) Math.toDegrees(a.getX()), (float) Math.toDegrees(a.getY()), (float) Math.toDegrees(a.getZ())
+        };
+    }
+
+    /** Variant key of a parrot sitting on the player's left/right shoulder, or null. */
+    @SuppressWarnings("deprecation")
+    private static String shoulderParrot(HumanEntity he, boolean left) {
+        try {
+            Entity p = left ? he.getShoulderEntityLeft() : he.getShoulderEntityRight();
+            return p instanceof Parrot parrot ? keyOf(parrot.getVariant()) : null;
+        } catch (Throwable t) {
+            return null;
+        }
     }
 
     /** Worn armor (4 slots) from a humanoid wearer; null when nothing is equipped. */