added dialog start radius and background by time in cutscenes

resources/config2/npcs.json

@@ -37,6 +37,7 @@
         "modelCorrectionRotX": 0.0,
         "modelCorrectionRotY": 180.0,
         "modelCorrectionRotZ": 0.0,
+        "interactionRadius": 1.0,
         "gift": {
           "id": "ghost_essence",
           "name": "Ghost's Essence",

resources/dialogue/sample_dialogues.json

@@ -160,7 +160,8 @@
           "speaker": "Ghost",
           "portrait": "resources/ghost_avatar.png",
           "text": "Some memories never fade.",
-          "durationMs": 2600
+          "durationMs": 2600,
+          "background": "resources/loading.png"
         }
       ]
     }

src/Character.h

@@ -47,6 +47,8 @@ public:
     std::string npcName;
     bool giftReceived = false;
 
+    float interactionRadius = 0.0f;
+
 private:
     struct AnimationData {
         BoneSystem model;

src/Game.cpp

@@ -656,6 +656,8 @@ namespace ZL
 							// Check if we clicked on an NPC
 							Character* clickedNpc = raycastNpcs(camPos, rayDir);
 							if (clickedNpc && player) {
+								float distance = (player->position - clickedNpc->position).norm();
+								if (distance <= clickedNpc->interactionRadius) {
 									int npcIndex = -1;
 									for (size_t i = 0; i < npcs.size(); ++i) {
 										if (npcs[i].get() == clickedNpc) {
@@ -664,10 +666,15 @@ namespace ZL
 										}
 									}
 									if (npcIndex != -1) {
-									std::cout << "[CLICK] *** SUCCESS: Clicked on NPC index: " << npcIndex << " ***" << std::endl;
+										std::cout << "[CLICK] NPC interaction (distance " << distance << ")" << std::endl;
 										scriptEngine.callNpcInteractCallback(npcIndex);
 									}
 								}
+								else {
+									std::cout << "[CLICK] Too far from NPC (distance " << distance
+										<< " > " << clickedNpc->interactionRadius << ")" << std::endl;
+								}
+							}
 							else if (rayDir.y() < -0.001f && player) {
 								// Otherwise, unproject click to ground plane for Viola's walk target
 								float t = -camPos.y() / rayDir.y();

src/dialogue/DialogueDatabase.cpp

@@ -121,6 +121,7 @@ CutsceneLine DialogueDatabase::parseCutsceneLine(const json& j) {
 	line.text = j.value("text", "");
 	line.portrait = j.value("portrait", "");
 	line.sfx = j.value("sfx", "");
+	line.background = j.value("background", "");
 	line.durationMs = j.value("durationMs", 0);
 	line.waitForConfirm = j.value("waitForConfirm", false);
 	return line;

src/dialogue/DialogueRuntime.cpp

@@ -325,6 +325,7 @@ void DialogueRuntime::startCutscene(const std::string& cutsceneId, const std::st
 
 	activeCutscene = cutscene;
 	pendingNodeAfterCutscene = nextNodeAfterCutscene;
+	currentCutsceneBackground = cutscene->background;
 	mode = Mode::PlayingCutscene;
 	currentCutsceneLine = -1;
 	cutsceneTimerMs = 0;
@@ -363,12 +364,18 @@ void DialogueRuntime::refreshCutscenePresentation() {
 	}
 
 	const CutsceneLine& line = activeCutscene->lines[currentCutsceneLine];
+
+	 if (!line.background.empty()) {
+        currentCutsceneBackground = line.background;
+    }
+
 	presentation.mode = PresentationMode::Cutscene;
 	presentation.speaker = line.speaker;
 	presentation.fullText = line.text;
 	presentation.visibleText = line.text;
 	presentation.portraitPath = line.portrait;
-	presentation.backgroundPath = activeCutscene->background;
+	//presentation.backgroundPath = activeCutscene->background;
+	presentation.backgroundPath = currentCutsceneBackground;
 	presentation.choices.clear();
 	presentation.selectedChoice = 0;
 	presentation.revealCompleted = true;

src/dialogue/DialogueRuntime.h

@@ -64,6 +64,8 @@ private:
 	int currentCutsceneLine = -1;
 	int cutsceneTimerMs = 0;
 
+	std::string currentCutsceneBackground;
+
 	bool evaluateConditions(const std::vector<Condition>& conditions) const;
 	void applyEffects(const std::vector<Effect>& effects);
 

src/dialogue/DialogueTypes.h

@@ -87,6 +87,7 @@ struct CutsceneLine {
 	std::string text;
 	std::string portrait;
 	std::string sfx;
+	std::string background;
 	int durationMs = 0;
 	bool waitForConfirm = false;
 };

src/items/GameObjectLoader.cpp

@@ -280,6 +280,7 @@ namespace ZL {
 				data.id = item.value("id", "npc_unknown");
 				data.name = item.value("name", "Unknown NPC");
 				data.texturePath = item.value("texturePath", "");
+				data.interactionRadius = item.value("interactionRadius", 0.0f);
 				data.animationIdlePath = item.value("animationIdlePath", "");
 				data.animationWalkPath = item.value("animationWalkPath", "");
 
@@ -364,6 +365,7 @@ namespace ZL {
 			npc->rotationSpeed = npcData.rotationSpeed;
 			npc->modelScale = npcData.modelScale;
 			npc->position = Eigen::Vector3f(npcData.positionX, npcData.positionY, npcData.positionZ);
+			npc->interactionRadius = npcData.interactionRadius;
 
 			// Set NPC metadata
 			npc->npcId = npcData.id;

src/items/GameObjectLoader.h

@@ -57,6 +57,7 @@ namespace ZL {
 		float modelCorrectionRotY = 0.0f;
 		float modelCorrectionRotZ = 0.0f;
 		GiftData gift;
+		float interactionRadius = 0.0f;
 	};
 
 	struct LoadedGameObject {