deeper decoupling

lib/rewardable/Limiter.cpp

@@ -0,0 +1,107 @@
+/*
+ * Limiter.cpp, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+
+#include "StdInc.h"
+#include "Limiter.h"
+#include "../IGameCallback.h"
+#include "../CPlayerState.h"
+
+VCMI_LIB_NAMESPACE_BEGIN
+
+bool Rewardable::Limiter::heroAllowed(const CGHeroInstance * hero) const
+{
+	if(dayOfWeek != 0)
+	{
+		if (IObjectInterface::cb->getDate(Date::DAY_OF_WEEK) != dayOfWeek)
+			return false;
+	}
+
+	if(daysPassed != 0)
+	{
+		if (IObjectInterface::cb->getDate(Date::DAY) < daysPassed)
+			return false;
+	}
+
+	for(const auto & reqStack : creatures)
+	{
+		size_t count = 0;
+		for(const auto & slot : hero->Slots())
+		{
+			const CStackInstance * heroStack = slot.second;
+			if (heroStack->type == reqStack.type)
+				count += heroStack->count;
+		}
+		if (count < reqStack.count) //not enough creatures of this kind
+			return false;
+	}
+
+	if(!IObjectInterface::cb->getPlayerState(hero->tempOwner)->resources.canAfford(resources))
+		return false;
+
+	if(heroLevel > static_cast<si32>(hero->level))
+		return false;
+
+	if(static_cast<TExpType>(heroExperience) > hero->exp)
+		return false;
+
+	if(manaPoints > hero->mana)
+		return false;
+
+	if(manaPercentage > 100 * hero->mana / hero->manaLimit())
+		return false;
+
+	for(size_t i=0; i<primary.size(); i++)
+	{
+		if(primary[i] > hero->getPrimSkillLevel(static_cast<PrimarySkill::PrimarySkill>(i)))
+			return false;
+	}
+
+	for(const auto & skill : secondary)
+	{
+		if (skill.second > hero->getSecSkillLevel(skill.first))
+			return false;
+	}
+
+	for(const auto & spell : spells)
+	{
+		if (!hero->spellbookContainsSpell(spell))
+			return false;
+	}
+
+	for(const auto & art : artifacts)
+	{
+		if (!hero->hasArt(art))
+			return false;
+	}
+
+	for(const auto & sublimiter : noneOf)
+	{
+		if (sublimiter->heroAllowed(hero))
+			return false;
+	}
+
+	for(const auto & sublimiter : allOf)
+	{
+		if (!sublimiter->heroAllowed(hero))
+			return false;
+	}
+
+	if(anyOf.empty())
+		return true;
+
+	for(const auto & sublimiter : anyOf)
+	{
+		if (sublimiter->heroAllowed(hero))
+			return true;
+	}
+	return false;
+}
+
+VCMI_LIB_NAMESPACE_END