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https://github.com/scp-fs2open/fs2open.github.com.git
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Goober5000
443e148869
Allow AND and OR to take up to 10 arguments. Deprecate addBit and replace with setBit, and add unsetBit.
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
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#include "bitops.h"
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#include "scripting/ade_args.h"
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namespace scripting {
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namespace api {
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//**********LIBRARY: Bitwise Ops
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ADE_LIB(l_BitOps, "BitOps", "bit", "Bitwise Operations library");
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ADE_FUNC(AND, l_BitOps, "number, number, [number, number, number, number, number, number, number, number]", "Values for which bitwise boolean AND operation is performed", "number", "Result of the AND operation")
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{
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int a[10], c;
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int n = ade_get_args(L, "ii|iiiiiiii", &a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7], &a[8], &a[9]);
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if (n < 2)
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return ade_set_error(L, "i", 0);
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c = a[0];
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for (int i = 1; i < n; ++i)
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c &= a[i];
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(OR, l_BitOps, "number, number, [number, number, number, number, number, number, number, number]", "Values for which bitwise boolean OR operation is performed", "number", "Result of the OR operation")
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{
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int a[10], c;
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int n = ade_get_args(L, "ii|iiiiiiii", &a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7], &a[8], &a[9]);
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if (n < 2)
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return ade_set_error(L, "i", 0);
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c = a[0];
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for (int i = 1; i < n; ++i)
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c |= a[i];
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(XOR, l_BitOps, "number, number", "Values for which bitwise boolean XOR operation is performed", "number", "Result of the XOR operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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c = (a ^ b);
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(toggleBit, l_BitOps, "number baseNumber, number bit", "Toggles the value of the set bit in the given number for 32 bit integer", "number", "Result of the operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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c = a ^ (1 << b);
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(checkBit, l_BitOps, "number baseNumber, number bit", "Checks the value of the set bit in the given number for 32 bit integer", "boolean", "Was the bit true of false")
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{
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int a, b;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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if(a & (1<<b))
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return ADE_RETURN_TRUE;
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else
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return ADE_RETURN_FALSE;
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}
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ADE_FUNC_DEPRECATED(addBit,
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l_BitOps,
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"number baseNumber, number bit",
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"Performs inclusive or (OR) operation on the set bit of the value",
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"number",
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"Result of the operation",
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gameversion::version(21, 4),
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"BitOps.addBit has been replaced by BitOps.setBit")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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c = (a | (1<<b));
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(setBit, l_BitOps, "number baseNumber, number bit", "Turns on the specified bit of baseNumber (sets it to 1)", "number", "Result of the operation")
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{
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int a, b, c;
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if (!ade_get_args(L, "ii", &a, &b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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c = (a | (1 << b));
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(unsetBit, l_BitOps, "number baseNumber, number bit", "Turns off the specified bit of baseNumber (sets it to 0)", "number", "Result of the operation")
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{
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int a, b, c;
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if (!ade_get_args(L, "ii", &a, &b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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c = (a & ~(1 << b));
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return ade_set_args(L, "i", c);
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}
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}
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}
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