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This commit performs both lossless and lossy compression on every .obj and .png in homedecor. The .png files were all 100% losslessly compressed using ect.exe and optipng.exe (more details below) at maximum settings. The .obj files were lossy-compressed so that comments were removed, trailing 000's were removed and all numbers rounded to 3 decimal places max. Blender exports at 6 decimal places but for minetest, 3 decimal places is the absolute maximum a person with anything under a 256K screen will ever need. ## Results ``` Original entire modpack size: 6343.5 KB New entire modpack size: 5312.2 KB Total Reduction: 1031.3 KB (16.3% less) ``` Please note that actual media size is likely more like 4,500 KB so media reduction is more around 20-25%. ## Details / What actions were actually performed Used these programs: https://github.com/ExeVirus/Compress-Obj https://sourceforge.net/projects/optipng/ https://github.com/fhanau/Efficient-Compression-Tool Ran this command on every .obj: (fast) ``` luajit.exe compress.lua -f <file> -precision 3 ``` Ran these commands on every .png: (slow) ``` ect.exe -9 -strip --allfilters-b <file> optipng.exe -o7 -strip all -clobber <file> ``` Note that for future compression, I recommend only using optipng.exe instead of both. ECT can get better results but it takes a LOT longer and only ever saves another 1-2% of the file size. Not worth an extra 10-20 seconds per texture file in my opinion. ## Time spent Roughly 2 Hours from start to finish + commit + PR |
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| flowers_bonsai.png | ||
| flowers_cactus.png | ||
| homedecor_banister_brass_inv.png | ||
| homedecor_banister_white_dark_inv.png | ||
| homedecor_banister_wood_colored_inv.png | ||
| homedecor_banister_wood_inv.png | ||
| homedecor_banister_wrought_iron_inv.png | ||
| homedecor_cardbox_big_sides.png | ||
| homedecor_cardbox_big_tb.png | ||
| homedecor_cardbox_sides.png | ||
| homedecor_cardbox_tb.png | ||
| homedecor_ceiling_paint_roller.png | ||
| homedecor_ceiling_paint.png | ||
| homedecor_ceiling_tile.png | ||
| homedecor_dartboard_inv.png | ||
| homedecor_dartboard.png | ||
| homedecor_dvdcd_cabinet_back.png | ||
| homedecor_dvdcd_cabinet_front.png | ||
| homedecor_fishtank_filter.png | ||
| homedecor_fishtank_fishes_lighted.png | ||
| homedecor_fishtank_fishes.png | ||
| homedecor_fishtank_gravel_lighted.png | ||
| homedecor_fishtank_gravel.png | ||
| homedecor_fishtank_sides_lighted.png | ||
| homedecor_fishtank_sides.png | ||
| homedecor_fishtank_water_top_lighted.png | ||
| homedecor_fishtank_water_top.png | ||
| homedecor_flower_pot_black.png | ||
| homedecor_flower_pot_green.png | ||
| homedecor_flower_pot_terracotta.png | ||
| homedecor_flowerpot_small_inv.png | ||
| homedecor_piano_inv.png | ||
| homedecor_piano_keys.png | ||
| homedecor_pole_brass_inv.png | ||
| homedecor_pole_wrought_iron_inv.png | ||
| homedecor_pool_table_baize.png | ||
| homedecor_pool_table_balls.png | ||
| homedecor_pool_table_cue.png | ||
| homedecor_pool_table_inv.png | ||
| homedecor_pool_table_pockets.png | ||
| homedecor_rug_large.png | ||
| homedecor_rug_persian.png | ||
| homedecor_rug_small.png | ||
| homedecor_skateboard_inv.png | ||
| homedecor_skateboard.png | ||
| homedecor_sport_bench_inv.png | ||
| homedecor_tatami.png | ||
| homedecor_tool_cabinet_drawers.png | ||
| homedecor_tool_cabinet_inv.png | ||
| homedecor_tool_cabinet_misc.png | ||
| homedecor_trophy_inv.png | ||
| top_chain_brass_inv.png | ||
| top_chain_wrought_iron_inv.png | ||
