Nameplate and chat bubble improvements

They should stack much better now. I also hooked up the true mouth position to the name-tag, but it's too shaky on chat bubbles.

assets/opensb/interface.config.patch

@@ -3,7 +3,8 @@
     "showMasterNames" : true,
     "fontDirectives" : "?border=1;222;2220",
     "inspectOpacityRate" : 0.15,
-    "movementThreshold" : 0.5
+    "movementThreshold" : 0.5,
+    "offset" : [0, 13]
   },
   "font" : {
     "defaultDirectives" : "",

assets/opensb/interface/windowconfig/chatbubbles.config.patch

@@ -1,3 +1,4 @@
 {
-	"movementThreshold" : 0.5
+	"movementThreshold" : 0.5,
+	"bubbleOffset" : [0, 1.875]
 }

source/frontend/StarChatBubbleSeparation.cpp

@@ -1,4 +1,5 @@
 #include "StarChatBubbleSeparation.hpp"
+#include "StarLogging.hpp"
 
 namespace Star {
 
@@ -21,7 +22,7 @@ bool compareOverlapRight(RectF const& newBox, RectF const& fixedBox) {
 template <typename Compare>
 void appendHorizontalOverlaps(List<RectF>& overlaps,
     List<RectF> const& boxes,
-    List<RectF>::iterator leftBound,
+    List<RectF>::const_iterator leftBound,
     Compare compare,
     RectF const& box) {
   auto i = leftBound;
@@ -36,7 +37,7 @@ void appendHorizontalOverlaps(List<RectF>& overlaps,
   }
 }
 
-RectF separateBubble(List<RectF>& sortedLeftEdges, List<RectF>& sortedRightEdges, RectF box) {
+RectF separateBubble(List<RectF> const& sortedLeftEdges, List<RectF> const& sortedRightEdges, List<RectF>& outLeftEdges, List<RectF>& outRightEdges, RectF box) {
   // We have to maintain two lists of boxes: one sorted by the left edges and
   // one
   // by the right edges. This is because boxes can be different sizes, and
@@ -54,19 +55,33 @@ RectF separateBubble(List<RectF>& sortedLeftEdges, List<RectF>& sortedRightEdges
   // overlap with 'box'.
 
   while (true) {
-    // While box is overlapping any other boxes, raise its Y value.
-    List<RectF> overlappingBoxes =
-        horizontalOverlaps.filtered([&box](RectF const& overlapper) { return box.intersects(overlapper, false); });
+    // While box is overlapping any other boxes, move it halfway away.
+    List<RectF> overlappingBoxes = horizontalOverlaps.filtered([&box](RectF const& overlapper) {
+      if (overlapper.intersects(box, false)) {
+        Vec2F oSize = overlapper.size(), bSize = box.size();
+        if (oSize[0] == bSize[0]) {
+          if (oSize[1] == bSize[1])
+            return overlapper.center()[1] <= box.center()[1];
+          else
+            return oSize[1] > bSize[1];
+        }
+        else if (oSize[0] > bSize[0])
+          return true;
+      }
+      return false;
+    });
     if (overlappingBoxes.empty())
       break;
     RectF overlapBoundBox = fold(overlappingBoxes, box, [](RectF const& a, RectF const& b) { return a.combined(b); });
+    SpatialLogger::logPoly("screen", PolyF(box), { 255, 0, 0, 255 });
+    SpatialLogger::logPoly("screen", PolyF(overlapBoundBox), { 0, 0, 255, 255 });
     auto height = box.height();
     box.setYMin(overlapBoundBox.yMax());
     box.setYMax(box.yMin() + height);
   }
 
-  sortedLeftEdges.insertSorted(box, compareLeft);
-  sortedRightEdges.insertSorted(box, compareRight);
+  outLeftEdges.append(box);
+  outRightEdges.append(box);
 
   return box;
 }

source/frontend/StarChatBubbleSeparation.hpp

@@ -20,13 +20,16 @@ struct BubbleState {
   Vec2F currentDestination;
   // The bound box of the nametag if it was at the destination.
   RectF boundBox;
-  // The position for the bubble chosen by the algorithm (which it may not
+  // The separation offset for the bubble chosen by the algorithm (which it may not
   // have fully moved to yet).
-  Vec2F separatedPosition;
-  // The bound box of the bubble around the separatedPosition.
+  Vec2F seperatedOffset;
+  // The bound box of the bubble around the separatedOffset.
   RectF separatedBox;
-  // Where the bubble is now, which could be anywhere en route to the
-  // separatedPosition.
+  // Where the bubble offset is now, which could be anywhere en route to the
+  // seperatedOffset.
+  Vec2F currentOffset;
+
+  // The final position.
   Vec2F currentPosition;
 };
 
@@ -63,6 +66,11 @@ private:
   List<RectF> m_sortedRightEdges;
 };
 
+bool compareLeft(RectF const& a, RectF const& b);
+bool compareRight(RectF const& a, RectF const& b);
+bool compareOverlapLeft(RectF const& newBox, RectF const& fixedBox);
+bool compareOverlapRight(RectF const& newBox, RectF const& fixedBox);
+
 // Shifts box upwards until it is not overlapping any of the boxes in
 // sortedLeftEdges
 // and sortedRightEdges.
@@ -71,7 +79,7 @@ private:
 // The two lists contain all the chat bubbles that have been separated, sorted
 // by
 // the X positions of their left and right edges respectively.
-RectF separateBubble(List<RectF>& sortedLeftEdges, List<RectF>& sortedRightEdges, RectF box);
+RectF separateBubble(List<RectF> const& sortedLeftEdges, List<RectF> const& sortedRightEdges, List<RectF>& outLeftEdges, List<RectF>& outRightEdges, RectF box);
 
 template <typename T>
 BubbleSeparator<T>::BubbleSeparator(float tweenFactor, float movementThreshold)
@@ -100,9 +108,10 @@ void BubbleSeparator<T>::setMovementThreshold(float movementThreshold) {
 template <typename T>
 void BubbleSeparator<T>::addBubble(Vec2F position, RectF boundBox, T contents, unsigned margin) {
   boundBox.setYMax(boundBox.yMax() + margin);
-  RectF separated = separateBubble(m_sortedLeftEdges, m_sortedRightEdges, boundBox);
-  Vec2F separatedPosition = position + separated.min() - boundBox.min();
-  Bubble bubble = Bubble{contents, position, position, boundBox, separatedPosition, separated, separatedPosition};
+  RectF separated = separateBubble(m_sortedLeftEdges, m_sortedRightEdges, m_sortedLeftEdges, m_sortedRightEdges, boundBox);
+  Vec2F separatedOffset = separated.min() - boundBox.min();
+  Vec2F separatedPosition = position + separatedOffset;
+  Bubble bubble = Bubble{ contents, position, position, boundBox, separatedOffset, separated, separatedOffset, separatedPosition };
   m_bubbles.insertSorted(move(bubble), &BubbleSeparator<T>::compareBubbleY);
 }
 
@@ -126,26 +135,36 @@ List<BubbleState<T>> BubbleSeparator<T>::filtered(function<bool(Bubble const&, T
 template <typename T>
 void BubbleSeparator<T>::forEach(function<void(Bubble&, T&)> func) {
   bool anyMoved = false;
-  m_bubbles.exec([this, func, &anyMoved](Bubble& bubble) {
+  
+  List<Box<float, 2>> leftEdges = move(m_sortedLeftEdges);
+  List<Box<float, 2>> rightEdges = move(m_sortedRightEdges);
+
+  m_bubbles.exec([this, func, &anyMoved, &leftEdges, &rightEdges](Bubble& bubble) {
     RectF oldBoundBox = bubble.boundBox;
 
     func(bubble, bubble.contents);
 
+    // Kae: I'm disabling the movement threshold check for now because it also
+    // stops bubble sorting on bubbles that haven't moved, which causes problems.
+
     Vec2F sizeDelta = bubble.boundBox.size() - oldBoundBox.size();
-    Vec2F positionDelta = bubble.idealDestination - bubble.currentDestination;
-    if (sizeDelta.magnitude() > m_movementThreshold || positionDelta.magnitude() > m_movementThreshold) {
-      m_sortedLeftEdges.remove(bubble.separatedBox);
-      m_sortedRightEdges.remove(bubble.separatedBox);
-      RectF boundBox = bubble.boundBox.translated(positionDelta);
-      RectF separated = separateBubble(m_sortedLeftEdges, m_sortedRightEdges, boundBox);
-      anyMoved = true;
-      bubble.currentDestination = bubble.idealDestination;
-      bubble.boundBox = boundBox;
-      bubble.separatedPosition = bubble.idealDestination + separated.min() - boundBox.min();
-      bubble.separatedBox = separated;
-      bubble.currentPosition += positionDelta;
-    }
+    leftEdges.remove(bubble.separatedBox);
+    rightEdges.remove(bubble.separatedBox);
+    RectF boundBox = RectF::withCenter(bubble.idealDestination, bubble.boundBox.size());
+    RectF separated = separateBubble(leftEdges, rightEdges, m_sortedLeftEdges, m_sortedRightEdges, boundBox);
+    leftEdges.insertSorted(bubble.separatedBox, compareLeft);
+    rightEdges.insertSorted(bubble.separatedBox, compareRight);
+
+    anyMoved = true;
+    bubble.currentDestination = bubble.idealDestination;
+    bubble.boundBox = boundBox;
+    bubble.seperatedOffset = separated.min() - boundBox.min();
+    bubble.separatedBox = separated;
   });
+
+  m_sortedLeftEdges.sort(compareLeft);
+  m_sortedRightEdges.sort(compareRight);
+
   if (anyMoved)
     m_bubbles.sort(&BubbleSeparator<T>::compareBubbleY);
 }
@@ -153,8 +172,10 @@ void BubbleSeparator<T>::forEach(function<void(Bubble&, T&)> func) {
 template <typename T>
 void BubbleSeparator<T>::update() {
   m_bubbles.exec([this](Bubble& bubble) {
-    Vec2F delta = bubble.separatedPosition - bubble.currentPosition;
-    bubble.currentPosition += m_tweenFactor * delta;
+    Vec2F delta = bubble.seperatedOffset - bubble.currentOffset;
+    bubble.currentOffset += m_tweenFactor * delta;
+
+    bubble.currentPosition = bubble.currentDestination + bubble.currentOffset;
   });
 }
 

source/frontend/StarNameplatePainter.cpp

@@ -53,7 +53,7 @@ void NameplatePainter::update(WorldClientPtr const& world, WorldCamera const& ca
 
   m_nametags.forEach([&world, &camera, this, inspectionMode](BubbleState<Nametag>& bubbleState, Nametag& nametag) {
     if (auto entity = as<NametagEntity>(world->entity(nametag.entityId))) {
-      bubbleState.idealDestination = camera.worldToScreen(entity->position()) + m_offset * camera.pixelRatio();
+      bubbleState.idealDestination = camera.worldToScreen(entity->nametagOrigin()) + m_offset * camera.pixelRatio();
       bubbleState.boundBox = determineBoundBox(bubbleState.idealDestination, nametag);
 
       nametag.statusText = entity->statusText();

source/game/StarMonster.cpp

@@ -810,6 +810,10 @@ Vec3B Monster::nametagColor() const {
   return m_monsterVariant.nametagColor;
 }
 
+Vec2F Monster::nametagOrigin() const {
+  return mouthPosition(false);
+}
+
 bool Monster::aggressive() const {
   return m_aggressive;
 }
@@ -826,6 +830,10 @@ Vec2F Monster::mouthPosition() const {
   return mouthOffset() + position();
 }
 
+Vec2F Monster::mouthPosition(bool) const {
+  return mouthPosition();
+}
+
 List<ChatAction> Monster::pullPendingChatActions() {
   return std::move(m_pendingChatActions);
 }

source/game/StarMonster.hpp

@@ -111,6 +111,7 @@ public:
   Maybe<String> statusText() const override;
   bool displayNametag() const override;
   Vec3B nametagColor() const override;
+  Vec2F nametagOrigin() const override;
 
   bool aggressive() const override;
 
@@ -118,6 +119,7 @@ public:
   Maybe<LuaValue> evalScript(String const& code) override;
 
   virtual Vec2F mouthPosition() const override;
+  virtual Vec2F mouthPosition(bool ignoreAdjustments) const override;
   virtual List<ChatAction> pullPendingChatActions() override;
 
   List<PhysicsForceRegion> forceRegions() const override;

source/game/StarNpc.cpp

@@ -216,9 +216,9 @@ RectF Npc::metaBoundBox() const {
   return RectF(-4, -4, 4, 4);
 }
 
-Vec2F Npc::mouthOffset() const {
-  return Vec2F{m_humanoid.mouthOffset(true)[0] * numericalDirection(m_humanoid.facingDirection()),
-      m_humanoid.mouthOffset(true)[1]};
+Vec2F Npc::mouthOffset(bool ignoreAdjustments) const {
+  return Vec2F{m_humanoid.mouthOffset(ignoreAdjustments)[0] * numericalDirection(m_humanoid.facingDirection()),
+      m_humanoid.mouthOffset(ignoreAdjustments)[1]};
 }
 
 Vec2F Npc::feetOffset() const {
@@ -508,6 +508,10 @@ Vec3B Npc::nametagColor() const {
   return m_npcVariant.nametagColor;
 }
 
+Vec2F Npc::nametagOrigin() const {
+  return mouthPosition(false);
+}
+
 bool Npc::aggressive() const {
   return m_aggressive.get();
 }
@@ -804,7 +808,11 @@ void Npc::getNetStates(bool initial) {
 }
 
 Vec2F Npc::mouthPosition() const {
-  return mouthOffset() + position();
+  return mouthOffset(true) + position();
+}
+
+Vec2F Npc::mouthPosition(bool ignoreAdjustments) const {
+  return mouthOffset(ignoreAdjustments) + position();
 }
 
 List<ChatAction> Npc::pullPendingChatActions() {

source/game/StarNpc.hpp

@@ -57,7 +57,7 @@ public:
   Vec2F position() const override;
   RectF metaBoundBox() const override;
 
-  Vec2F mouthOffset() const;
+  Vec2F mouthOffset(bool ignoreAdjustments = true) const;
   Vec2F feetOffset() const;
   Vec2F headArmorOffset() const;
   Vec2F chestArmorOffset() const;
@@ -105,6 +105,7 @@ public:
   Maybe<String> statusText() const override;
   bool displayNametag() const override;
   Vec3B nametagColor() const override;
+  Vec2F nametagOrigin() const override;
 
   bool aggressive() const;
 
@@ -112,6 +113,7 @@ public:
   Maybe<LuaValue> evalScript(String const& code) override;
 
   Vec2F mouthPosition() const override;
+  Vec2F mouthPosition(bool ignoreAdjustments) const override;
   List<ChatAction> pullPendingChatActions() override;
 
   bool isInteractive() const override;

source/game/StarObject.cpp

@@ -1193,6 +1193,10 @@ Vec2F Object::mouthPosition() const {
   }
 }
 
+Vec2F Object::mouthPosition(bool) const {
+  return mouthPosition();
+}
+
 List<ChatAction> Object::pullPendingChatActions() {
   return std::move(m_pendingChatActions);
 }

source/game/StarObject.hpp

@@ -114,6 +114,7 @@ public:
   Maybe<LuaValue> evalScript(String const& code) override;
 
   virtual Vec2F mouthPosition() const override;
+  virtual Vec2F mouthPosition(bool ignoreAdjustments) const override;
   virtual List<ChatAction> pullPendingChatActions() override;
 
   void breakObject(bool smash = true);

source/game/StarPlayer.cpp

@@ -580,9 +580,9 @@ Vec2F Player::velocity() const {
   return m_movementController->velocity();
 }
 
-Vec2F Player::mouthOffset() const {
+Vec2F Player::mouthOffset(bool ignoreAdjustments) const {
   return Vec2F(
-      m_humanoid->mouthOffset(true)[0] * numericalDirection(facingDirection()), m_humanoid->mouthOffset(true)[1]);
+      m_humanoid->mouthOffset(ignoreAdjustments)[0] * numericalDirection(facingDirection()), m_humanoid->mouthOffset(ignoreAdjustments)[1]);
 }
 
 Vec2F Player::feetOffset() const {
@@ -610,7 +610,11 @@ Vec2F Player::legsArmorOffset() const {
 }
 
 Vec2F Player::mouthPosition() const {
-  return position() + mouthOffset();
+  return position() + mouthOffset(true);
+}
+
+Vec2F Player::mouthPosition(bool ignoreAdjustments) const {
+  return position() + mouthOffset(ignoreAdjustments);
 }
 
 RectF Player::collisionArea() const {
@@ -1933,6 +1937,10 @@ Vec3B Player::nametagColor() const {
   return jsonToVec3B(assets->json("/player.config:nametagColor"));
 }
 
+Vec2F Player::nametagOrigin() const {
+  return mouthPosition(false);
+}
+
 void Player::setBodyDirectives(String const& directives) {
   m_identity.bodyDirectives = directives;
   m_identityUpdated = true;

source/game/StarPlayer.hpp

@@ -86,7 +86,8 @@ public:
   Vec2F velocity() const override;
 
   Vec2F mouthPosition() const override;
-  Vec2F mouthOffset() const;
+  Vec2F mouthPosition(bool ignoreAdjustments) const override;
+  Vec2F mouthOffset(bool ignoreAdjustments = true) const;
   Vec2F feetOffset() const;
   Vec2F headArmorOffset() const;
   Vec2F chestArmorOffset() const;
@@ -284,6 +285,7 @@ public:
   Maybe<String> statusText() const override;
   bool displayNametag() const override;
   Vec3B nametagColor() const override;
+  Vec2F nametagOrigin() const override;
 
   void setBodyDirectives(String const& directives);
   void setHairType(String const& group, String const& type);

source/game/interfaces/StarChattyEntity.hpp

@@ -10,7 +10,8 @@ STAR_CLASS(ChattyEntity);
 
 class ChattyEntity : public virtual Entity {
 public:
-  virtual Vec2F mouthPosition() const = 0;
+  virtual Vec2F mouthPosition() const { return mouthPosition(true); };
+  virtual Vec2F mouthPosition(bool) const = 0;
   virtual List<ChatAction> pullPendingChatActions() = 0;
 };
 

source/game/interfaces/StarNametagEntity.hpp

@@ -13,6 +13,7 @@ public:
   virtual Maybe<String> statusText() const = 0;
   virtual bool displayNametag() const = 0;
   virtual Vec3B nametagColor() const = 0;
+  virtual Vec2F nametagOrigin() const = 0;
 };
 
 }