conv

mods/examples/example_mew_starter/main.lua

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+-- Example native mod.  It demonstrates both a runtime event and a content
+-- override without requiring any private engine module.
+return function(mod)
+  local mew = mod.content.pokemon:get("MEW")
+  assert(mew, "Mew is missing from the imported base data")
+
+  -- Keep every vanilla Mew field, changing only the two battle sprite paths.
+  local invertedMew = {}
+  for key, value in pairs(mew) do invertedMew[key] = value end
+  invertedMew.spriteFront = mod.path .. "/assets/mew_front_inverted.png"
+  invertedMew.spriteBack = mod.path .. "/assets/mew_back_inverted.png"
+  mod.content.pokemon:override("MEW", invertedMew)
+
+  mod.events:on("pokemon.before_give", function(gift)
+    -- Only change the Oak's Lab Charmander gift; wild encounters and other
+    -- story gifts remain vanilla.
+    local map = gift.ctx.overworld and gift.ctx.overworld.map
+    if gift.species == "CHARMANDER" and map and map.id == "OAKS_LAB"
+       and not gift.ctx.save.flags.EVENT_GOT_STARTER then
+      gift.species = "MEW"
+      gift.level = 20
+      gift.nickname = "HOGHEAD"
+      mod.log:info("replaced Oak's Lab Charmander starter with level 20 Mew")
+    end
+  end)
+end