X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Frollback.h;h=ff96e513f5453938cc4df0bcd4f73f3351801855;hb=refs%2Fheads%2Fmaster;hp=b5428c451426347678382cad0c8c76adc1c72c0b;hpb=0190f9b077dcb2b8cb41c622dd91ffc1e04dacac;p=dragonfireclient.git

diff --git a/src/rollback.h b/src/rollback.h
index b5428c451..ff96e513f 100644
--- a/src/rollback.h
+++ b/src/rollback.h
@@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
@@ -17,35 +17,87 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef ROLLBACK_HEADER
-#define ROLLBACK_HEADER
+#pragma once
 
 #include <string>
 #include "irr_v3d.h"
 #include "rollback_interface.h"
 #include <list>
+#include <vector>
+#include "sqlite3.h"
 
 class IGameDef;
 
-class IRollbackManager: public IRollbackReportSink
+struct ActionRow;
+struct Entity;
+
+class RollbackManager: public IRollbackManager
 {
 public:
-	// IRollbackReportManager
-	virtual void reportAction(const RollbackAction &action) = 0;
-	virtual std::string getActor() = 0;
-	virtual void setActor(const std::string &actor) = 0;
-
-	virtual ~IRollbackManager(){}
-	virtual void flush() = 0;
-	// Get last actor that did something to position p, but not further than
-	// <seconds> in history
-	virtual std::string getLastNodeActor(v3s16 p, int range, int seconds,
-			v3s16 *act_p, int *act_seconds) = 0;
-	// Get actions to revert <seconds> of history made by <actor>
-	virtual std::list<RollbackAction> getRevertActions(const std::string &actor,
-			int seconds) = 0;
-};
+	RollbackManager(const std::string & world_path, IGameDef * gamedef);
+	~RollbackManager();
+
+	void reportAction(const RollbackAction & action_);
+	std::string getActor();
+	bool isActorGuess();
+	void setActor(const std::string & actor, bool is_guess);
+	std::string getSuspect(v3s16 p, float nearness_shortcut,
+			float min_nearness);
+	void flush();
+
+	void addAction(const RollbackAction & action);
+	std::list<RollbackAction> getNodeActors(v3s16 pos, int range,
+			time_t seconds, int limit);
+	std::list<RollbackAction> getRevertActions(
+			const std::string & actor_filter, time_t seconds);
+
+private:
+	void registerNewActor(const int id, const std::string & name);
+	void registerNewNode(const int id, const std::string & name);
+	int getActorId(const std::string & name);
+	int getNodeId(const std::string & name);
+	const char * getActorName(const int id);
+	const char * getNodeName(const int id);
+	bool createTables();
+	bool initDatabase();
+	bool registerRow(const ActionRow & row);
+	const std::list<ActionRow> actionRowsFromSelect(sqlite3_stmt * stmt);
+	ActionRow actionRowFromRollbackAction(const RollbackAction & action);
+	const std::list<RollbackAction> rollbackActionsFromActionRows(
+			const std::list<ActionRow> & rows);
+	const std::list<ActionRow> getRowsSince(time_t firstTime,
+			const std::string & actor);
+	const std::list<ActionRow> getRowsSince_range(time_t firstTime, v3s16 p,
+			int range, int limit);
+	const std::list<RollbackAction> getActionsSince_range(time_t firstTime, v3s16 p,
+			int range, int limit);
+	const std::list<RollbackAction> getActionsSince(time_t firstTime,
+			const std::string & actor = "");
+	void migrate(const std::string & filepath);
+	static float getSuspectNearness(bool is_guess, v3s16 suspect_p,
+		time_t suspect_t, v3s16 action_p, time_t action_t);
 
-IRollbackManager *createRollbackManager(const std::string &filepath, IGameDef *gamedef);
 
-#endif
+	IGameDef *gamedef = nullptr;
+
+	std::string current_actor;
+	bool current_actor_is_guess = false;
+
+	std::list<RollbackAction> action_todisk_buffer;
+	std::list<RollbackAction> action_latest_buffer;
+
+	std::string database_path;
+	sqlite3 * db;
+	sqlite3_stmt * stmt_insert;
+	sqlite3_stmt * stmt_replace;
+	sqlite3_stmt * stmt_select;
+	sqlite3_stmt * stmt_select_range;
+	sqlite3_stmt * stmt_select_withActor;
+	sqlite3_stmt * stmt_knownActor_select;
+	sqlite3_stmt * stmt_knownActor_insert;
+	sqlite3_stmt * stmt_knownNode_select;
+	sqlite3_stmt * stmt_knownNode_insert;
+
+	std::vector<Entity> knownActors;
+	std::vector<Entity> knownNodes;
+};