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113 lines
4.1 KiB
Lua
113 lines
4.1 KiB
Lua
local pheromoneUtils = {}
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-- imports
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local mapUtils = require("MapUtils")
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local constants = require("Constants")
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-- constants
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local DEATH_PHEROMONE = constants.DEATH_PHEROMONE
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local PLAYER_DEFENSE_PHEROMONE = constants.PLAYER_DEFENSE_PHEROMONE
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local PLAYER_BASE_PHEROMONE = constants.PLAYER_BASE_PHEROMONE
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local ENEMY_BASE_PHEROMONE = constants.ENEMY_BASE_PHEROMONE
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local PLAYER_PHEROMONE = constants.PLAYER_PHEROMONE
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local PLAYER_DEFENSE_GENERATOR = constants.PLAYER_DEFENSE_GENERATOR
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local PLAYER_BASE_GENERATOR = constants.PLAYER_BASE_GENERATOR
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local ENEMY_BASE_GENERATOR = constants.ENEMY_BASE_GENERATOR
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local PLAYER_PHEROMONE_GENERATOR_AMOUNT = constants.PLAYER_PHEROMONE_GENERATOR_AMOUNT
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local DEATH_PHEROMONE_GENERATOR_AMOUNT = constants.DEATH_PHEROMONE_GENERATOR_AMOUNT
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local STANDARD_PHERONOME_DIFFUSION_AMOUNT = constants.STANDARD_PHERONOME_DIFFUSION_AMOUNT
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local DEATH_PHEROMONE_DIFFUSION_AMOUNT = constants.DEATH_PHEROMONE_DIFFUSION_AMOUNT
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local DEATH_PHEROMONE_PERSISTANCE = constants.DEATH_PHEROMONE_PERSISTANCE
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local STANDARD_PHEROMONE_PERSISTANCE = constants.STANDARD_PHEROMONE_PERSISTANCE
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-- imported functions
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local getChunkByPosition = mapUtils.getChunkByPosition
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-- module code
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function pheromoneUtils.scents(chunk)
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local amount = chunk[PLAYER_DEFENSE_GENERATOR]
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if (amount > 0) then
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chunk[PLAYER_DEFENSE_PHEROMONE] = chunk[PLAYER_DEFENSE_PHEROMONE] + amount
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end
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amount = chunk[PLAYER_BASE_GENERATOR]
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if (amount > 0) then
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chunk[PLAYER_BASE_PHEROMONE] = chunk[PLAYER_BASE_PHEROMONE] + amount
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end
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amount = chunk[ENEMY_BASE_GENERATOR]
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if (amount > 0) then
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chunk[ENEMY_BASE_PHEROMONE] = chunk[ENEMY_BASE_PHEROMONE] + amount
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end
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end
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function pheromoneUtils.deathScent(regionMap, position, pheromoneTotals)
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local chunk = getChunkByPosition(regionMap, position.x, position.y)
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if (chunk ~= nil) then
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chunk[DEATH_PHEROMONE] = chunk[DEATH_PHEROMONE] + DEATH_PHEROMONE_GENERATOR_AMOUNT
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pheromoneTotals[DEATH_PHEROMONE] = pheromoneTotals[DEATH_PHEROMONE] + DEATH_PHEROMONE_GENERATOR_AMOUNT
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end
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end
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function pheromoneUtils.playerScent(regionMap, players)
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for i=1,#players do
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local player = players[i]
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if (player ~= nil) and player.connected and (player.character ~= nil) and player.character.valid and (player.character.surface.index == 1) then
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local playerPosition = player.character.position
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local playerChunk = getChunkByPosition(regionMap, playerPosition.x, playerPosition.y)
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if (playerChunk ~= nil) then
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playerChunk[PLAYER_PHEROMONE] = playerChunk[PLAYER_PHEROMONE] + PLAYER_PHEROMONE_GENERATOR_AMOUNT
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end
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end
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end
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end
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function pheromoneUtils.processPheromone(chunk, neighbors)
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-- pheromone level indexes on chunks are 1 - 6
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-- unrolled loop one level
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local diffusionAmount = DEATH_PHEROMONE_DIFFUSION_AMOUNT
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local persistence = DEATH_PHEROMONE_PERSISTANCE
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local totalDiffused = 0
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local chunkValue = chunk[DEATH_PHEROMONE] * persistence
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local diffusedAmount = chunkValue * diffusionAmount
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if (chunkValue > 2) then
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for i=1,#neighbors do
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local neighborChunk = neighbors[i]
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if (neighborChunk ~= nil) then
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totalDiffused = totalDiffused + diffusedAmount
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neighborChunk[DEATH_PHEROMONE] = neighborChunk[DEATH_PHEROMONE] + diffusedAmount
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end
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end
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end
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chunk[DEATH_PHEROMONE] = (chunkValue - totalDiffused)
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diffusionAmount = STANDARD_PHERONOME_DIFFUSION_AMOUNT
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persistence = STANDARD_PHEROMONE_PERSISTANCE
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for x=2,6 do
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totalDiffused = 0
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chunkValue = chunk[x] * persistence
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diffusedAmount = chunkValue * diffusionAmount
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if (chunkValue > 2) then
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for i=1,#neighbors do
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local neighborChunk = neighbors[i]
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if (neighborChunk ~= nil) then
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totalDiffused = totalDiffused + diffusedAmount
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neighborChunk[x] = neighborChunk[x] + diffusedAmount
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end
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end
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end
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chunk[x] = (chunkValue - totalDiffused)
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end
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end
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return pheromoneUtils
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