grp: adjust alpha curve for better sprite rendition
drw: add alpha blending for ground glow effects
sim: track mobj state, simplify sprite frame selection somewhat
fs: add support for transparent floating sprites
genspr: fix wrong offsets fixes for drones again
genspr: add tscglow, sprite with alpha channel, to extraction scripts
grp: experimental pcx palette support
sim: use correct grid for movement and adjust deceleration treshold
genspr: fix a drone move sprite frame and add badlands tileset
drw: set last movement frame when returning to idle state
util: fix extra newline in dprint, not used that way
path: fix corner case for pathfinding to the left
add acceleration, deceleration and turning speed
fs: improve image files format, storage and handling
fs: move pic nr field to pics struct instead of obj where it belongs
drw: align upper drawing boundary to scaled pixels
drw: fix right/bottom boundaries for drawing too low
fs: allow comments in db files, comment sce.db
util: fix erealloc always clearing extra space even if shrinking buffer
reimplement pathfinding and movement
update sce.db and sprite generation utils
fs: rework sprite loading to avoid redundancy
update map format to use tileset indices for terrain
add utils/sctile: terrain tile extraction
add utils/grp.c: grp graphics extraction
rename rc to utils and extract to genspr
extract: update offsets and add more sprites
update asset extraction scripts and add a script for drone graphics
drw: correctly take into account simultaneous bounding on multiple borders
drw: fix not taking into account high scaling in boundpic
drw: reimplement compose using boundpic and drawpic's sematics
drw: fix vertical panning beyond map
drw: fix wrongly scaling pic width in broundpic
fs: fix not reading all rows and make loaddb semantics more consistent
drw: refactor drawpic, make it more comprehensible
ai: bound check setblk to avoid out of bounds with path map