Add PrepareSave() method for LDB, LMU, LSD

- Should be called by Player and Editor before saving.

src/ldb_reader.cpp

@@ -17,6 +17,10 @@
 #include "reader_util.h"
 #include "reader_struct.h"
 
+void LDB_Reader::PrepareSave(RPG::Database& db) {
+	++db.system.save_count;
+}
+
 bool LDB_Reader::Load(const std::string& filename, const std::string& encoding) {
 	std::ifstream stream(filename.c_str(), std::ios::binary);
 	if (!stream.is_open()) {

src/ldb_reader.h

@@ -41,6 +41,11 @@
  * LDB Reader namespace.
  */
 namespace LDB_Reader {
+	/**
+	 * Increment the database save_count.
+	 */
+	void PrepareSave(RPG::Database& db);
+
 	/**
 	 * Loads Database.
 	 */

src/lmu_reader.cpp

@@ -17,6 +17,10 @@
 #include "reader_util.h"
 #include "reader_struct.h"
 
+void LMU_Reader::PrepareSave(RPG::Map& map) {
+	++map.save_count;
+}
+
 std::unique_ptr<RPG::Map> LMU_Reader::Load(const std::string& filename, const std::string& encoding) {
 	std::ifstream stream(filename.c_str(), std::ios::binary);
 	if (!stream.is_open()) {

src/lmu_reader.h

@@ -20,6 +20,11 @@
  */
 namespace LMU_Reader {
 
+	/**
+	 * Increment the map save count.
+	 */
+	void PrepareSave(RPG::Map& map);
+
 	/**
 	 * Loads map.
 	 */

src/lsd_reader.cpp

@@ -19,7 +19,6 @@
 #include "reader_util.h"
 #include "reader_struct.h"
 
-
 double LSD_Reader::ToTDateTime(std::time_t const t) {
 	// 25569 is UnixDateDelta: number of days between 1970-01-01 and 1900-01-01
 	return(t / 86400.0 + 25569.0);
@@ -33,6 +32,12 @@ double LSD_Reader::GenerateTimestamp(std::time_t const t) {
 	return ToTDateTime(t);
 }
 
+void LSD_Reader::PrepareSave(RPG::Save& save) {
+	++save.system.save_count;
+	save.title.timestamp = LSD_Reader::GenerateTimestamp();
+}
+
+
 std::unique_ptr<RPG::Save> LSD_Reader::Load(const std::string& filename, const std::string& encoding) {
 	std::ifstream stream(filename.c_str(), std::ios::binary);
 	if (!stream.is_open()) {

src/lsd_reader.h

@@ -36,6 +36,11 @@ namespace LSD_Reader {
 	 */
 	double GenerateTimestamp(std::time_t const t = std::time(NULL));
 
+	/**
+	 * Increment the save save_count and update the timestamp.
+	 */
+	void PrepareSave(RPG::Save& save);
+
 	/**
 	 * Loads Savegame.
 	 */