make a minecraft mod 1.16.5 forge

a simple minecraft mod that alters terrain generation to mimic parkour civilization while still allowing structures to spawn. Must allow modded structures to spawn as well and must work in other dimensions including modded dimensions. terrain can only generate at Y=-65(or bedrock), -60, -45, - 30, -15, 0, 15, 30, 45, 63 (slight jump to account for sea level), 80, 95, 110, 125, 140, 165, 180, 195, 210, 225, 240, 265, 280, 295) *note, I just want the generation to replace the appropriate blocks with air. i don't want to have blocks spawn in places that they normally wouldn't. The mod should be optimized to work seamlessly with popular mods like Biomes O' Plenty and Twilight Forest. on each of the y levels listed, any blocks that spawn should spawn surrounded by air in a 3x3 cube around it, such that you would have to jump about 1 block to move anywhere. as mentioned earlier structures should still spawn as normal, meaning no removed blocks.

Project ID: 38737482