While there is no single academic paper dedicated solely to "Pokémon Essentials Gen 4 tilesets," you can find comprehensive technical documentation and community-curated "resource papers" (guides) that explain their implementation.
In the Tileset database, you have to tell RPG Maker which tiles are "Animated" (water) and which are "Terrain" (grass). Go to the Anim column in the Tileset editor and check the boxes for water and flower patches. pokemon essentials gen 4 tileset
Gen 4 uses heavy dynamic lighting. Download the script by Luka S.J. or use the built-in Fog system in Essentials. While there is no single academic paper dedicated
: A highly-rated compilation designed to replace "placeholder" tiles immediately with a cohesive Gen 4 style. Gen 4 uses heavy dynamic lighting
For developers, finding or creating a high-quality "Gen 4" tileset is a common goal because the original