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

src/dialogue/DialogueDatabase.cpp

@@ -42,6 +42,15 @@ EasingType DialogueDatabase::parseEasingType(const std::string& value) {
 	return EasingType::Linear;
 }
 
+CutsceneAnchor DialogueDatabase::parseCutsceneAnchor(const std::string& value) {
+	if (value == "TopLeft") return CutsceneAnchor::TopLeft;
+	if (value == "TopRight") return CutsceneAnchor::TopRight;
+	if (value == "BottomRight") return CutsceneAnchor::BottomRight;
+	if (value == "BottomLeft") return CutsceneAnchor::BottomLeft;
+	if (value == "Custom") return CutsceneAnchor::Custom;
+	return CutsceneAnchor::Center;
+}
+
 Condition DialogueDatabase::parseCondition(const json& j) {
 	Condition c;
 	c.flag = j.value("flag", "");
@@ -141,8 +150,9 @@ CutsceneLine DialogueDatabase::parseCutsceneLine(const json& j) {
 
 CutsceneCameraPose DialogueDatabase::parseCutsceneCameraPose(const json& j) {
 	CutsceneCameraPose pose;
-	pose.focusX = j.value("focusX", 0.5f);
-	pose.focusY = j.value("focusY", 0.5f);
+	pose.anchor = parseCutsceneAnchor(j.value("anchor", "Center"));
+	pose.centerX = j.value("centerX", 0.5f);
+	pose.centerY = j.value("centerY", 0.5f);
 	pose.zoom = j.value("zoom", 1.0f);
 	pose.rotationDeg = j.value("rotationDeg", 0.0f);
 	return pose;