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https://github.com/ParadiseSS13/Paradise.git
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157276d6cb
* Port /tg/ move manager, drift and jetpack components. * don't add go through newtonian movement if not moved to a turf * various cleans for blood drifts and mob speed * fix slow meteors * why on fuck's earth aren't speedbikes vehicles * style lint * also wtf * okay i'm an idiot * fix meaty ore speed and blood decal double stepping * fix not unbuckling pulled object occupants * don't bother dealing with immovable rods just yet * exclude bubblegum and vetus from move manager for now * fix issues related to null weightless blood icons * reset blood icon state properly * fuck it, we'll deal with mobs when basic mobs happen * break infinite loop in decal splat
54 lines
2.5 KiB
Plaintext
54 lines
2.5 KiB
Plaintext
//Directions (already defined on BYOND natively, purely here for reference)
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/// define purely for readability, cables especially need to use this as `NO_DIRECTION` represents a "node"
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#define NO_DIRECTION 0
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//#define NORTH 1
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//#define SOUTH 2
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//#define EAST 4
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//#define WEST 8
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//#define NORTHEAST 5
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//#define SOUTHEAST 6
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//#define NORTHWEST 9
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//#define SOUTHWEST 10
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/// Using the ^ operator or XOR, we can compared TRUE East and West bits against our direction,
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/// since XOR will only return TRUE if one bit is False and the other is True, if East is 0, that bit will return TRUE
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/// and if West is 1, then that bit will return 0
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/// hence EAST (0010) XOR EAST|WEST (0011) --> WEST (0001)
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///Flips a direction along the horizontal axis, will convert E -> W, W -> E, NE -> NW, SE -> SW, etc
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#define FLIP_DIR_HORIZONTALLY(dir) ((dir & (EAST|WEST)) ? dir ^ (EAST|WEST) : dir)
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///Flips a direction along the vertical axis, will convert N -> S, S -> N, NE -> SE, SW -> NW, etc
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#define FLIP_DIR_VERTICALLY(dir) ((dir & (NORTH|SOUTH)) ? dir ^ (NORTH|SOUTH) : dir)
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/// for directions, each cardinal direction only has 1 TRUE bit, so `1000` or `0100` for example, so when you subtract 1
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/// from a cardinal direction it results in that directions initial TRUE bit always switching to FALSE, so if you & check it
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/// against its initial self, it will return false, indicating that the direction is straight and not diagonal
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/// returns TRUE if direction is diagonal and false if not
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#define IS_DIR_DIAGONAL(dir) (dir & (dir - 1))
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/// returns TRUE if direction is cardinal and false if not
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#define IS_DIR_CARDINAL(dir) (!IS_DIR_DIAGONAL(dir))
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///True if the dir is north or south, false therwise
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#define NSCOMPONENT(d) (d&(NORTH|SOUTH))
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///True if the dir is east/west, false otherwise
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#define EWCOMPONENT(d) (d&(EAST|WEST))
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/// Inverse direction, taking into account UP|DOWN if necessary.
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#define REVERSE_DIR(dir) ( ((dir & 85) << 1) | ((dir & 170) >> 1) )
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/// returns TRUE if the direction is EAST or WEST
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#define DIR_JUST_HORIZONTAL(dir) ((dir == EAST) || (dir == WEST))
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/// returns TRUE if the direction is NORTH or SOUTH
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#define DIR_JUST_VERTICAL(dir) ((dir == NORTH) || (dir == SOUTH))
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/// North direction as a string "[1]"
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#define TEXT_NORTH "[NORTH]"
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/// South direction as a string "[2]"
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#define TEXT_SOUTH "[SOUTH]"
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/// East direction as a string "[4]"
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#define TEXT_EAST "[EAST]"
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/// West direction as a string "[8]"
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#define TEXT_WEST "[WEST]"
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#define EXCLUSIVE_OR(thing_one, thing_two) ((thing_one)^(thing_two))
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