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| author | LagoLunatic <LagoLunatic@users.noreply.github.com> | 2025-06-01 16:05:42 -0400 |
|---|---|---|
| committer | LagoLunatic <LagoLunatic@users.noreply.github.com> | 2025-06-01 16:05:42 -0400 |
| commit | cdfaa05635dc5e4857eede2e1cb66ad37751032e (patch) | |
| tree | bafe0677a9d83c9f61b055b08e359277f81f3c8f /src/SSystem/SComponent/c_math.cpp | |
| parent | 63a92eaa88967ecc21420cb085c69dedf1f839f7 (diff) | |
More demo work, cleanup
Diffstat (limited to 'src/SSystem/SComponent/c_math.cpp')
| -rw-r--r-- | src/SSystem/SComponent/c_math.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/SSystem/SComponent/c_math.cpp b/src/SSystem/SComponent/c_math.cpp index ddfffd9d..363b8647 100644 --- a/src/SSystem/SComponent/c_math.cpp +++ b/src/SSystem/SComponent/c_math.cpp @@ -199,3 +199,16 @@ void cM_initRnd2(int p0, int p1, int p2) { r12 = p1; r22 = p2; } + +#if VERSION == VERSION_DEMO +float cM_rnd2(void) { + r02 = (r02 * 0xAB) % 0x763D; + r12 = (r12 * 0xAC) % 0x7663; + r22 = (r22 * 0xAA) % 0x7673; + return std::fabsf(std::fmodf(r02 / 30269.0f + r12 / 30307.0f + r22 / 30323.0f, 1.0)); +} + +float cM_rndFX2(float f) { + return f * (cM_rnd2() - 0.5f) * 2.0f; +} +#endif |