I_Error

W_CacheLumpName

Which one is deterministic?

Z_Malloc You can pass a 0 user if the tag is < PU_PURGELEVEL.

V_DrawPatch Masks a column based masked pic to the screen.

Function that changes wall texture. Tell it if switch is ok to use again (1=yes, it's a button).

HANDLE FLOOR TYPES

FixedDiv, C version.

M_CheckParm Checks for the given parameter in the program's command line arguments. Returns the argument number (1 to argc-1) or 0 if not present

V_DrawPatchDirect Draws directly to the screen on the pc.

I_GetTime returns time in 1/70th second tics

W_CacheLumpNum

P_AddThinker Adds a new thinker at the end of the list.

P_SpawnMobj

Z_Free

A_FaceTarget

D_AddFile

Do Platforms "amount" is only used for SOME platforms.

P_DamageMobj Damages both enemies and players "inflictor" is the thing that caused the damage creature or missile, can be 0 (slime, etc) "source" is t

R_TextureNumForName Calls R_CheckTextureNumForName, aborts with error message.

W_GetNumForName Calls W_CheckNumForName, but bombs out if not found.

P_ChangeSector

P_SetPsprite

W_LumpLength Returns the buffer size needed to load the given lump.

M_SetupNextMenu

P_SpawnMissile

P_AimLineAttack

Called in st_stuff module, which handles the input. Returns a 1 if the cheat was successful, 0 if failed.

Clip lines, draw visible part sof lines.

EV_DoCeiling Move a ceiling up/down and all around!

P_PointOnLineSide Returns 0 or 1

?

V_MarkRect

W_CheckNumForName Returns -1 if name not found.

P_CheckSight Returns true if a straight line between t1 and t2 is unobstructed. Uses REJECT.

getNextSector() Return sector_t * of sector next to current. 0 if not two-sided line

TURN LINE'S TAG LIGHTS ON

NetUpdate Builds ticcmds for console player, sends out a packet

P_AproxDistance Gives an estimation of distance (not exact)

P_RemoveMobj

P_TryMove Attempt to move to a new position, crossing special lines unless MF_TELEPORT is set.

R_StoreWallRange A wall segment will be drawn between start and stop pixels (inclusive).

M_StartControlPanel

FIND LOWEST CEILING IN THE SURROUNDING SECTORS

RETURN NEXT SECTOR # THAT LINE TAG REFERS TO

P_GivePower

P_GiveWeapon The weapon name may have a MF_DROPPED flag ored in.

P_LineAttack If damage == 0, it is just a test trace that will leave linetarget set.

P_RemoveThinker Deallocation is lazy -- it will not actually be freed until its thinking turn comes up.

TryWalk Attempts to move actor on in its current (ob->moveangle) direction. If blocked by either a wall or an actor returns FALSE If move is either cl

Move a plane (floor or ceiling) and check for crushing

G_DoCompleted

M_ClearMenus

P_BlockThingsIterator

P_CheckMeleeRange

P_DivlineSide Returns side 0 (front), 1 (back), or 2 (on).

P_GiveCard

P_LineOpening Sets opentop and openbottom to the window through a two sided line. OPTIMIZE: keep this precalculated

P_PathTraverse Traces a line from x1,y1 to x2,y2, calling the traverser function for each. Returns true if the traverser function returns true for all

P_SpawnPlayer Called when a player is spawned on the level. Most of the player structure stays unchanged between levels.

P_SpawnStrobeFlash After the map has been loaded, scan each sector for specials that spawn thinkers

R_PointInSubsector

Copy a screen buffer.

D_PostEvent Called by the I/O functions when input is detected

P_CheckPosition This is purely informative, nothing is modified (except things picked up). in: a mobj_t (can be valid or invalid) a position to be ch

P_FindLowestFloorSurrounding() FIND LOWEST FLOOR HEIGHT IN SURROUNDING SECTORS

P_SetThingPosition Links a thing into both a block and a subsector based on it's x y. Sets thing->subsector properly