Lua Function for Friday Night Funkin': Health Decrease While Opponent Sings

This document outlines a Lua function designed for the Friday Night Funkin': Psych Engine version 1.0. The function decreases the player's health whenever the opponent sings.

Function Overview

The function will:

1. Monitor the game state to detect when the opponent is singing.
2. Decrease the player's health based on a specified amount.
3. Ensure that health does not drop below zero.

Code Implementation

-- HealthDecreaseWhileSinging.lua

-- PlayerHealth class to manage the player's health
PlayerHealth = {}
PlayerHealth.__index = PlayerHealth

-- Constructor for PlayerHealth
function PlayerHealth:new(initialHealth)
    local obj = setmetatable({}, self)
    obj.health = initialHealth or 100  -- Default health is set to 100
    return obj
end

-- Function documentation for decreaseHealth
-- @param amount: number - Amount to decrease health
-- @return : void - Modifies the player's health
function PlayerHealth:decreaseHealth(amount)
    -- Input validation: amount must be a positive number
    if type(amount) ~= "number" or amount <= 0 then
        error("Invalid amount: must be a positive number.")
    end

    -- Decrease health but ensure it does not drop below zero
    self.health = math.max(self.health - amount, 0)
end

-- Function to execute when opponent sings
-- @param opponentSinging: boolean - Indicates if the opponent is currently singing
-- @param damageAmount: number - The health damage to be dealt while singing
-- @return : void
function PlayerHealth:checkOpponentSinging(opponentSinging, damageAmount)
    -- Check if the opponent is singing
    if opponentSinging then
        self:decreaseHealth(damageAmount)
        print("Opponent is singing! Player health decreased by " .. damageAmount .. ". Current health: " .. self.health)
    else
        print("Opponent is not singing. No health change.")
    end
end

-- Example usage
local player = PlayerHealth:new(100)  -- Create a player with 100 health

-- Simulate the opponent singing
player:checkOpponentSinging(true, 10)  -- Decrease health by 10
player:checkOpponentSinging(false, 10) -- No health change
player:checkOpponentSinging(true, 25)  -- Decrease health by 25

Explanation of Code

1. PlayerHealth Class:

   • Manages the player's health.
   • Includes a constructor to initialize health and a method to reduce it.

2. decreaseHealth Method:

   • Validates the amount decrease.
   • Decreases health while ensuring it remains above zero.

3. checkOpponentSinging Method:

   • Checks if the opponent is singing and reduces health accordingly.
   • Provides feedback via print statements about health status.

Example Usage

• Create a player instance with 100 health.
• Call the checkOpponentSinging method with true to simulate the opponent singing, which will decrease health appropriately.
• Call again with false when the opponent is not singing to see that health remains unchanged.

Conclusion

This implementation provides a robust and scalable solution for managing player health in response to the opponent's singing behavior in the Friday Night Funkin': Psych Engine. Consider exploring related content on the Enterprise DNA Platform to enhance your Lua programming and game development skills.