any textures based off blocks, items & mobs past 1.12 are heavily based off of/modified versions of textures from pacp (https://modrinth.com/resourcepack/pacp)
a vast majority of textures in the candy caverns are taken/modified from classic 4j-studios developed texture packs for Minecraft: legacy console edition (https://modrinth.com/collection/pmzubVQQ)
alex's delight & alex's caves delight use assets modified/taken from BBali & DrBruhMoments's Reminiscence Art & Reminiscence Fixes