32 lines
1.1 KiB
Lua
32 lines
1.1 KiB
Lua
--- @alias ImpactType "physic"|"magic"
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--- Представляет из себя некое "взаимодействие", которое мы должны применить к игроку в зависимости от контекста,
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--- например, нанести урон.
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--- @class Impact
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--- @field intensity integer
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--- @field impactType ImpactType
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local impact = {}
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impact.__index = impact
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--- @param other Impact
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function impact:__add(other)
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assert(self.impactType == other.impactType, "Impact types not equals each other!")
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local newImpact = Impact(self.intensity + other.intensity, self.impactType)
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return newImpact
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end
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--- @param other Impact
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function impact:__sub(other)
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assert(self.impactType == other.impactType, "Impact types not equals each other!")
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local newImpact = Impact(self.intensity - other.intensity, self.impactType)
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return newImpact
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end
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--- @param intensity integer
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--- @param impactType ImpactType
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function Impact(intensity, impactType)
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return setmetatable({ intensity = intensity, impactType = impactType }, impact)
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end
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return Impact
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