added dialog start radius and background by time in cutscenes

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;
 };