mirror of
https://github.com/bryanthaboi/gen1recomp
synced 2026-10-10 02:08:29 -04:00
bryanthaboi
98 lines
3.3 KiB
Lua
98 lines
3.3 KiB
Lua
-- Trainer front / player back pics (cache only).
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local Extract = require("src.import.gba.extract_island1")
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local TrainerPic = {}
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TrainerPic._front = {}
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TrainerPic._back = {}
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TrainerPic._cache = nil
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local function cache_root()
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return (Extract.CACHE_ROOT or "data/generated/gba") .. "/trainers"
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end
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local function resolve_cache(cache)
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if cache and cache.read then return cache end
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local okD, Dataset = pcall(require, "src.core.game3.dataset")
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if okD and Dataset and Dataset.cache then
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return Dataset.cache()
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end
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return {
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read = function(_, rel)
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local ok, CacheFs = pcall(require, "src.import.CacheFs")
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if ok and CacheFs and CacheFs.readActive then
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return CacheFs.readActive(rel)
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end
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return nil
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end,
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write = function(_, rel, bytes)
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local ok, CacheFs = pcall(require, "src.import.CacheFs")
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if ok and CacheFs and CacheFs.writeActive then
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return CacheFs.writeActive(rel, bytes)
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end
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end,
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}
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end
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local function image_from_rgba(rgba, w, h)
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if not (love and love.image and love.graphics) then return nil end
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if not rgba or #rgba < w * h * 4 then return nil end
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local ok, imageData = pcall(love.image.newImageData, w, h, "rgba8", rgba)
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if not ok or not imageData then return nil end
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local image = love.graphics.newImage(imageData)
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if image.setFilter then image:setFilter("nearest", "nearest") end
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return image
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end
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local function read_pic_rgba(cacheRel, frames)
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local cache = TrainerPic._cache
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if not (cache and cache.read) then return nil end
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local d = cache:read(cacheRel)
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if d and #d >= 64 * 64 * frames * 4 then return d end
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return nil
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end
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function TrainerPic.install(cache)
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TrainerPic._cache = resolve_cache(cache)
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TrainerPic._front = {}
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TrainerPic._back = {}
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end
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--- Opponent trainer front pic (64×64). Returns nil if unavailable (no placeholder).
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function TrainerPic.front(picId)
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picId = tonumber(picId)
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if not picId or picId < 0 then return nil end
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if TrainerPic._front[picId] then return TrainerPic._front[picId] end
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if not TrainerPic._cache then TrainerPic.install(nil) end
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local rel = cache_root() .. "/front/" .. picId .. ".rgba"
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local rgba = read_pic_rgba(rel, 1)
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local image = image_from_rgba(rgba, 64, 64)
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if not image then return nil end
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local entry = { image = image, w = 64, h = 64 }
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TrainerPic._front[picId] = entry
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return entry
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end
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--- Player back pic strip (64×320, 5 frames). gender 0=boy, 1=girl.
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function TrainerPic.back(gender)
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gender = tonumber(gender) or 0
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if gender < 0 then return nil end
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-- pokefirered/src/data/trainer_graphics/back_pic_tables.h:2
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if gender > 5 and require("src.core.game3.profile").family() ~= "rse" then gender = 0 end
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if TrainerPic._back[gender] then return TrainerPic._back[gender] end
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if not TrainerPic._cache then TrainerPic.install(nil) end
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local rel = cache_root() .. "/back_" .. gender .. ".rgba"
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local rgba = read_pic_rgba(rel, 1)
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if not rgba then return nil end
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local actualFrames = math.floor(#rgba / (64 * 64 * 4))
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if actualFrames <= 0 then return nil end
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local image = image_from_rgba(rgba, 64, 64 * actualFrames)
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if not image then return nil end
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local entry = { image = image, w = 64, h = 64 * actualFrames, frames = actualFrames }
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TrainerPic._back[gender] = entry
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return entry
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end
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return TrainerPic
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