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Clean up rollback

This commit is contained in:
ShadowNinja 2014-06-25 20:28:41 -04:00
parent da0f1e5497
commit b1965ac209
12 changed files with 888 additions and 1255 deletions

View file

@ -23,7 +23,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "irr_v3d.h"
#include <string>
#include <iostream>
#include <list>
#include "exceptions.h"
#include "inventory.h"
class Map;
class IGameDef;
@ -37,15 +39,12 @@ struct RollbackNode
int param2;
std::string meta;
bool operator==(const RollbackNode &other)
bool operator == (const RollbackNode &other)
{
return (name == other.name && param1 == other.param1 &&
param2 == other.param2 && meta == other.meta);
}
bool operator!=(const RollbackNode &other)
{
return !(*this == other);
}
bool operator != (const RollbackNode &other) { return !(*this == other); }
RollbackNode():
param1(0),
@ -55,6 +54,7 @@ struct RollbackNode
RollbackNode(Map *map, v3s16 p, IGameDef *gamedef);
};
struct RollbackAction
{
enum Type{
@ -75,7 +75,7 @@ struct RollbackAction
std::string inventory_list;
u32 inventory_index;
bool inventory_add;
std::string inventory_stack;
ItemStack inventory_stack;
RollbackAction():
type(TYPE_NOTHING),
@ -94,7 +94,7 @@ struct RollbackAction
void setModifyInventoryStack(const std::string &inventory_location_,
const std::string &inventory_list_, int index_,
bool add_, const std::string &inventory_stack_)
bool add_, const ItemStack &inventory_stack_)
{
type = TYPE_MODIFY_INVENTORY_STACK;
inventory_location = inventory_location_;
@ -106,7 +106,6 @@ struct RollbackAction
// String should not contain newlines or nulls
std::string toString() const;
void fromStream(std::istream &is) throw(SerializationError);
// Eg. flowing water level changes are not important
bool isImportant(IGameDef *gamedef) const;
@ -116,41 +115,53 @@ struct RollbackAction
bool applyRevert(Map *map, InventoryManager *imgr, IGameDef *gamedef) const;
};
class IRollbackReportSink
class IRollbackManager
{
public:
virtual ~IRollbackReportSink(){}
virtual void reportAction(const RollbackAction &action) = 0;
virtual std::string getActor() = 0;
virtual bool isActorGuess() = 0;
virtual void setActor(const std::string &actor, bool is_guess) = 0;
virtual std::string getSuspect(v3s16 p, float nearness_shortcut,
float min_nearness) = 0;
float min_nearness) = 0;
virtual ~IRollbackManager() {};
virtual void flush() = 0;
// Get all actors that did something to position p, but not further than
// <seconds> in history
virtual std::list<RollbackAction> getNodeActors(v3s16 pos, int range,
time_t seconds, int limit) = 0;
// Get actions to revert <seconds> of history made by <actor>
virtual std::list<RollbackAction> getRevertActions(const std::string &actor,
time_t seconds) = 0;
};
class RollbackScopeActor
{
public:
RollbackScopeActor(IRollbackReportSink *sink, const std::string &actor,
bool is_guess=false):
m_sink(sink)
RollbackScopeActor(IRollbackManager * rollback_,
const std::string & actor, bool is_guess = false) :
rollback(rollback_)
{
if(m_sink){
m_actor_was = m_sink->getActor();
m_actor_was_guess = m_sink->isActorGuess();
m_sink->setActor(actor, is_guess);
if (rollback) {
old_actor = rollback->getActor();
old_actor_guess = rollback->isActorGuess();
rollback->setActor(actor, is_guess);
}
}
~RollbackScopeActor()
{
if(m_sink){
m_sink->setActor(m_actor_was, m_actor_was_guess);
if (rollback) {
rollback->setActor(old_actor, old_actor_guess);
}
}
private:
IRollbackReportSink *m_sink;
std::string m_actor_was;
bool m_actor_was_guess;
IRollbackManager * rollback;
std::string old_actor;
bool old_actor_guess;
};
#endif