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-rw-r--r--npc/functions/bitwise.txt66
1 files changed, 0 insertions, 66 deletions
diff --git a/npc/functions/bitwise.txt b/npc/functions/bitwise.txt
deleted file mode 100644
index a2e57587..00000000
--- a/npc/functions/bitwise.txt
+++ /dev/null
@@ -1,66 +0,0 @@
-/**
- * Gets a bitmasked value in from an integer. If the shift is omitted, it will
- * be deduced from the mask.
- *
- * @arg 0 - the variable
- * @arg 1 - mask
- * @arg 2 - shift
- */
-function script bitwise_get {
- .@shift = getarg(2, 0);
-
- if (getargcount() < 3) {
- // guess the shift from the mask:
- for (.@shift = 0; .@shift < 32; ++.@shift) {
- if ((getarg(1) & (1 << .@shift)) != 0) {
- break;
- }
- }
- }
-
- return (getarg(0) & getarg(1)) >> .@shift;
-}
-
-/**
- * sets a bitmasked value in a variable
- *
- * @arg 0 - the target variable
- * @arg 1 - mask
- * @arg 2 - shift
- * @arg 3 - new value
- * @return a reference to the variable
- */
-function script bitwise_set {
- if (getargcount() < 4) {
- // guess the shift from the mask:
- for (.@shift = 0; .@shift < 32; ++.@shift) {
- if ((getarg(1) & (1 << .@shift)) != 0) {
- break;
- }
- }
-
- return set(getarg(0), (getarg(0) & ~(getarg(1))) | (getarg(2, 0) << .@shift));
- }
-
- return set(getarg(0), (getarg(0) & ~(getarg(1))) | (getarg(3, 0) << getarg(2, 0)));
-}
-
-
-// bitmask_count(<int>)
-// returns the number of bits set in <int> (up to 4096?)
-function script bitmask_count {
- .@n = getarg(0); // Number evaluated
- .@p=0; // Bits set/unset
- .@s=0; // Stack and Check
- .@m=0; // Memory
-
- // Loop only as needed
- while (.@s < .@n) {
- .@s=2**.@m;
- if (.@n & .@s)
- .@p++;
- .@m++;
- }
- return .@p;
-}
-