openbor Tools

Complete script method setdrawmethod.

Don't clear blendfx now, because mods don't use forced memory clean will not re-load models so there's not a easy way to peek which alpha effects are in use.

Slight change in gravity code, change altitude to base value when the entity is not in air.

Add script support for drawmethod.
Memory usage goes up by 7kb.

Frame command drawmethod completed.

drawmethod {scalex} {scaley} {flipx} {flipy} {shiftx} {alpha} {remap} {fillcolor}

lol. oops, not alpha 6, forget it.

blendfx missed alpha 6, fixed.

Fix scaleline function, maybe slower now, let's see.

Move filter.c/h to gamelib folder.
Add stristr.c/h to source folder.

Fixed a mistake in check_platform_between.

drawmethod command (WIP).