Added hp and attack actions, and labels

src/Character.h

@@ -14,6 +14,8 @@
 
 namespace ZL {
 
+class TextRenderer;
+
 enum class AnimationState {
     STAND = 0,
     WALK = 1,
@@ -66,6 +68,21 @@ public:
 	// particles against that camera before its VBO is uploaded.
 	void prepareHitSparksForDraw(const Eigen::Matrix4f& cameraViewMatrix);
 
+	// Draws the NPC name floating above this character in 2D screen space.
+	// No-op for the player, for dead characters, or if npcName is empty.
+	// The text is green for peaceful (canAttack == false) NPCs, red otherwise.
+	void drawName(TextRenderer& textRenderer,
+	              const Eigen::Matrix4f& cameraViewMatrix,
+	              const Eigen::Matrix4f& projectionMatrix);
+
+	// Draws a horizontal health bar above this character in 2D screen space.
+	// Visible only for the player and hostile NPCs (canAttack == true), and
+	// only while hp > 0. The left portion is green (hp / initialHp) and the
+	// remainder is red.
+	void drawHealthBar(Renderer& renderer,
+	                   const Eigen::Matrix4f& cameraViewMatrix,
+	                   const Eigen::Matrix4f& projectionMatrix);
+
     // Public: read by Game for camera tracking and ray-cast origin
     Eigen::Vector3f position = Eigen::Vector3f(0.f, 0.f, 0.f);
     float facingAngle = 0.0f;
@@ -83,6 +100,9 @@ public:
     std::string npcName;
     bool giftReceived = false;
     float hp = 100.f;
+    // Captured lazily from `hp` on the first update() tick if left at zero;
+    // set explicitly if you need a different reference for the health bar.
+    float initialHp = 0.f;
 
 
     int battle_state = 0;
@@ -112,6 +132,7 @@ private:
 
     std::map<AnimationState, BoneAnimationDataNew> animations;
     VertexRenderStruct modelMutable;
+    VertexRenderStruct healthBarMesh;
     std::unordered_map<std::string, std::shared_ptr<Texture>> meshTextures;
 
     Eigen::Vector3f walkTarget = Eigen::Vector3f(0.f, 0.f, 0.f);