d_snd_rnd

This commit is contained in:
robojumper
2025-06-17 21:27:55 +02:00
parent 741935bc61
commit 5ddf4f86e1
8 changed files with 120 additions and 52 deletions
-36
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@@ -1,36 +0,0 @@
#include "d/snd/d_snd_util.h"
class SndClass80399a40 {
public:
SndClass80399a40();
virtual ~SndClass80399a40() {}
/* 0x04 */ u8 _0x04[0x18 - 0x04];
};
// This is a test for SndMgrDisposer, since this
// class has the disposer at 0x18, which is interesting
class SndMgr80399c20;
extern template class SndMgrDisposer<SndMgr80399c20>;
class SndMgr80399c20 : SndClass80399a40 {
public:
SndMgrDisposer<SndMgr80399c20> *GetDisposer() {
return &mDisposer;
}
static SndMgr80399c20 *GetInstance() {
return sInstance;
}
static SndMgr80399c20 *sInstance;
static SndMgrDisposer<SndMgr80399c20> *sDisposer;
private:
SndMgrDisposer<SndMgr80399c20> mDisposer;
};
template class SndMgrDisposer<SndMgr80399c20>;
+42
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@@ -0,0 +1,42 @@
#include "d/snd/d_snd_rng.h"
#include "rvl/OS/OSTime.h"
dSndRng_c::dSndRng_c() : field_0x08(0), field_0x10(0) {
init();
}
void dSndRng_c::init() {
u32 tick = OSGetTick();
field_0x08 = ((tick << 0x10) & 0xFFF0000) | tick >> 0x10;
field_0x10 = field_0x08;
}
u32 dSndRng_c::rndInt(s32 max) {
// TODO
return 0;
/*
s32 temp_r0;
s32 temp_r11;
temp_r11 = this->unkC;
this->unkC = (temp_r11 * 0xB2E3D431) + 0x508EBD;
temp_r0 = MULTU_HI(temp_r11, 0xB2E3D431) + (this->unk8 * 0xB2E3D431) + (temp_r11 * 0x690379B2) + M2C_CARRY;
this->unk8 = temp_r0;
return MULTU_HI(temp_r0, arg0) + (0 * arg0);
=>
lo_1 = (lo_0 * 0xB2E3D431) + 0x508EBD;
hi_1 = MULTU_HI(lo_0, 0xB2E3D431) + (hi_0 * 0xB2E3D431) + (lo_0 * 0x690379B2) + M2C_CARRY;
return MULTU_HI(hi_1, arg0) + (0 * arg0);
*/
}
bool dSndRng_c::rndBool(s32 chance) {
if (chance >= 100) {
return true;
} else if (chance <= 0) {
return false;
}
return rndInt(100) < chance;
}
+10
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@@ -0,0 +1,10 @@
#include "d/snd/d_snd_rng_mgr.h"
#include "d/snd/d_snd_util.h"
SND_DISPOSER_DEFINE(dSndRngMgr_c)
u32 dSndRngMgr_c::rndIntRange(s32 min, s32 max) {
return min + rndInt(max - min);
}