Allow entities and nodes to update while the game is paused.

Added Lua functions:
- node_setPauseFreeze()
- entity_setPauseFreeze()
- getFPS()

Also fixed possible crash in entity_setStateTime().

Aquaria/Entity.cpp

@@ -209,6 +209,7 @@ Entity::Entity()
 	eatType = EAT_DEFAULT;
 	stickToNaijasHead = false;
 	spiritFreeze = true;
+	pauseFreeze = true;
 	canLeaveWater = false;
 	targetPriority = 0;
 	//renderPass = RENDER_ALL;
@@ -350,6 +351,11 @@ void Entity::setSpiritFreeze(bool v)
 	spiritFreeze = v;
 }
 
+void Entity::setPauseFreeze(bool v)
+{
+	pauseFreeze = v;
+}
+
 void Entity::setEntityProperty(EntityProperty ep, bool value)
 {
 	entityProperties[int(ep)] = value;
@@ -1145,7 +1151,7 @@ void Entity::update(float dt)
 	Vector backupVel = vel;
 
 	bool doUpdate = (updateCull == -1 || (position - core->screenCenter).isLength2DIn(updateCull));
-	if (doUpdate && !dsq->game->isPaused())
+	if (doUpdate && !(pauseFreeze && dsq->game->isPaused()))
 	{
 
 		if (!(getEntityType() == ET_AVATAR || getEntityType() == ET_INGREDIENT))

Aquaria/Entity.h

@@ -428,6 +428,7 @@ public:
 	virtual void shiftWorlds(WorldType lastWorld, WorldType worldType){}
 	void setCanLeaveWater(bool v);
 	void setSpiritFreeze(bool v);
+	void setPauseFreeze(bool v);
 	void setEatType(EatType et, const std::string &file="");
 	EatType getEatType() { return eatType; }
 	void setRiding(Entity *e);
@@ -535,6 +536,7 @@ protected:
 	bool stickToNaijasHead;
 
 	bool spiritFreeze;
+	bool pauseFreeze;
 	bool canLeaveWater;
 	bool wasUnderWater;
 

Aquaria/Path.cpp

@@ -54,6 +54,7 @@ Path::Path()
 	spawnEnemyDistance = 0;
 	warpType = 0;
 	spiritFreeze = true;
+	pauseFreeze = true;
 }
 
 void Path::clampPosition(Vector *pos, float radius)
@@ -479,7 +480,7 @@ void Path::init()
 
 void Path::update(float dt)
 {
-	if (!dsq->game->isPaused() && !(spiritFreeze && dsq->game->isWorldPaused()))
+	if (!(pauseFreeze && dsq->game->isPaused()) && !(spiritFreeze && dsq->game->isWorldPaused()))
 	{
 		if (addEmitter && emitter)
 		{

Aquaria/Path.h

@@ -144,6 +144,7 @@ public:
 
 	bool effectOn;
 	bool spiritFreeze;
+	bool pauseFreeze;
 
 	PathShape pathShape;
 

Aquaria/ScriptInterface.cpp

@@ -2806,6 +2806,16 @@ luaFunc(entity_setSpiritFreeze)
 	luaReturnNil();
 }
 
+luaFunc(entity_setPauseFreeze)
+{
+	Entity *e = entity(L);
+	if (e)
+	{
+		e->setPauseFreeze(getBool(L,2));
+	}
+	luaReturnNil();
+}
+
 luaFunc(node_setSpiritFreeze)
 {
 	Path *e = path(L);
@@ -2814,6 +2824,14 @@ luaFunc(node_setSpiritFreeze)
 	luaReturnNil();
 }
 
+luaFunc(node_setPauseFreeze)
+{
+	Path *e = path(L);
+	if (e)
+		e->pauseFreeze = getBool(L,2);
+	luaReturnNil();
+}
+
 luaFunc(entity_setFillGrid)
 {
 	Entity *e = entity(L);
@@ -6486,6 +6504,11 @@ luaFunc(getDT)
 	luaReturnNum(core->get_current_dt());
 }
 
+luaFunc(getFPS)
+{
+	luaReturnInt(core->fps);
+}
+
 luaFunc(isNested)
 {
 	luaReturnBool(core->isNested());
@@ -7234,7 +7257,7 @@ luaFunc(entity_setStateTime)
 	float t = lua_tonumber(L, 2);
 	if (e)
 		e->setStateTime(t);
-	luaReturnNum(e->getStateTime());
+	luaReturnNum(t);
 }
 
 luaFunc(entity_offsetUpdate)
@@ -8317,6 +8340,7 @@ static const struct {
 	luaRegister(getHalfTimer),
 	luaRegister(getOldDT),
 	luaRegister(getDT),
+	luaRegister(getFPS),
 	luaRegister(setCostume),
 	luaRegister(getCostume),
 	luaRegister(getNoteName),
@@ -8381,7 +8405,9 @@ static const struct {
 	luaRegister(entity_setEatType),
 
 	luaRegister(entity_setSpiritFreeze),
+	luaRegister(entity_setPauseFreeze),
 	luaRegister(node_setSpiritFreeze),
+	luaRegister(node_setPauseFreeze),
 
 	luaRegister(entity_setCanLeaveWater),