refactor: switch cutscene camera to viewport/UV-based system

src/dialogue/DialogueRuntime.cpp

@@ -439,29 +439,39 @@ void DialogueRuntime::advanceCutsceneLine() {
 	refreshCutscenePresentation();
 }
 
-CutsceneCameraPose DialogueRuntime::evaluateCutsceneCameraPose() const {
-	CutsceneCameraPose defaultPose{};
+CutsceneCameraBlendState DialogueRuntime::evaluateCutsceneCameraBlend() const {
+	CutsceneCameraBlendState result;
+	result.active = false;
+	result.from = {};
+	result.to = {};
+	result.t = 1.0f;
+
 	if (!activeCutscene || activeCutscene->cameraTrack.empty()) {
-		return defaultPose;
+		return result;
 	}
 
 	int elapsed = cutsceneElapsedMs;
 	for (const CutsceneCameraSegment& segment : activeCutscene->cameraTrack) {
 		const int durationMs = std::max(segment.durationMs, 1);
 		if (elapsed <= durationMs) {
-			const float rawT = static_cast<float>(elapsed) / static_cast<float>(durationMs);
-			const float t = applyEasing(segment.easing, std::clamp(rawT, 0.0f, 1.0f));
-			CutsceneCameraPose pose;
-			pose.focusX = segment.from.focusX + (segment.to.focusX - segment.from.focusX) * t;
-			pose.focusY = segment.from.focusY + (segment.to.focusY - segment.from.focusY) * t;
-			pose.zoom = segment.from.zoom + (segment.to.zoom - segment.from.zoom) * t;
-			pose.rotationDeg = segment.from.rotationDeg + (segment.to.rotationDeg - segment.from.rotationDeg) * t;
-			return pose;
+			result.active = true;
+			result.from = segment.from;
+			result.to = segment.to;
+			result.t = applyEasing(
+				segment.easing,
+				std::clamp(static_cast<float>(elapsed) / static_cast<float>(durationMs), 0.0f, 1.0f)
+			);
+			return result;
 		}
 		elapsed -= durationMs;
 	}
 
-	return activeCutscene->cameraTrack.back().to;
+	result.active = true;
+	result.from = activeCutscene->cameraTrack.back().to;
+	result.to = activeCutscene->cameraTrack.back().to;
+	result.t = 1.0f;
+
+	return result;
 }
 
 void DialogueRuntime::refreshCutscenePresentation() {
@@ -471,15 +481,7 @@ void DialogueRuntime::refreshCutscenePresentation() {
 
 	presentation.mode = PresentationMode::Cutscene;
 	presentation.backgroundPath = activeCutscene->background;
-	presentation.cutsceneCamera = evaluateCutsceneCameraPose();
-
-	std::cout << "[CUTSCENE] pose focus=("
-		<< presentation.cutsceneCamera.focusX << ", "
-		<< presentation.cutsceneCamera.focusY << ") zoom="
-		<< presentation.cutsceneCamera.zoom
-		<< " rot=" << presentation.cutsceneCamera.rotationDeg
-		<< " line=" << currentCutsceneLine
-		<< std::endl;
+	presentation.cutsceneCamera = evaluateCutsceneCameraBlend();
 
 	presentation.choices.clear();
 	presentation.selectedChoice = 0;