sn_gva.c

/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#include "libspu2_internal.h"
 
void SpuNGetVoiceAttr(int v_num, SpuVoiceAttr *arg)
{
    s16 v3;
    int v4;
    const vu16 *v5;
    u16 v6;
    u16 v7;
    s16 v10;
    const vu16 *v14;
    int v15;
    const vu16 *v19;
    unsigned int v20;
    unsigned int v21;
    int v22;
    int v24;
    int v25;
 
    v3 = 0;
    v4 = 8 * v_num;
    v5 = &_spu_RXX[512 * _spu_core + 8 * v_num];
    v6 = *v5;
    v7 = v5[1];
    if ( (v6 & 0x8000) != 0 )
    {
        switch ( v6 & 0xF000 )
        {
            case 0x8000:
                v3 = SPU_VOICE_LINEARIncN;
                break;
            case 0x9000:
                v3 = SPU_VOICE_LINEARIncR;
                break;
            case 0xa000:
                v3 = SPU_VOICE_LINEARDecN;
                break;
            case 0xb000:
                v3 = SPU_VOICE_LINEARDecR;
                break;
            case 0xc000:
                v3 = SPU_VOICE_EXPIncN;
                break;
            case 0xd000:
                v3 = SPU_VOICE_EXPIncR;
                break;
            case 0xe000:
            case 0xf000:
                v3 = SPU_VOICE_EXPDec;
                break;
            default:
                break;
        }
        v6 &= ~0xF000;
    }
    v10 = 0;
    if ( (v7 & 0x8000) != 0 )
    {
        switch ( v7 & 0xF000 )
        {
            case 0x8000:
                v10 = SPU_VOICE_LINEARIncN;
                break;
            case 0x9000:
                v10 = SPU_VOICE_LINEARIncR;
                break;
            case 0xa000:
                v10 = SPU_VOICE_LINEARDecN;
                break;
            case 0xb000:
                v10 = SPU_VOICE_LINEARDecR;
                break;
            case 0xc000:
                v10 = SPU_VOICE_EXPIncN;
                break;
            case 0xd000:
                v10 = SPU_VOICE_EXPIncR;
                break;
            case 0xe000:
            case 0xf000:
                v10 = SPU_VOICE_EXPDec;
                break;
            default:
                break;
        }
        v7 &= ~0xF000;
    }
    if ( v6 < 0x4000u )
        arg->volume.left = v6;
    else
        arg->volume.left = v6 + 0x8000;
    if ( v7 < 0x4000u )
        arg->volume.right = v7;
    else
        arg->volume.right = v7 + 0x8000;
    arg->volmode.left = v3;
    arg->volmode.right = v10;
    v14 = &_spu_RXX[512 * _spu_core + v4];
    arg->volumex.left = v14[6];
    arg->volumex.right = v14[7];
    arg->pitch = v14[2];
    v15 = _spu_pitch2note(
        (_spu_voice_centerNote[_spu_core][v_num] >> 8) & 0xFF, (u8)_spu_voice_centerNote[_spu_core][v_num], arg->pitch);
    if ( v15 < 0 )
        arg->note = 0;
    else
        arg->note = v15;
    arg->sample_note = _spu_voice_centerNote[_spu_core][v_num];
    arg->envx = _spu_RXX[512 * _spu_core + v4 + 5];
    arg->addr = _spu_MGFgetRXX2(224);
    arg->loop_addr = _spu_MGFgetRXX2(226);
    v19 = &_spu_RXX[512 * _spu_core + v4];
    v20 = v19[3];
    v21 = v19[4];
    v22 = SPU_VOICE_EXPIncN;
    if ( (v20 & 0x8000) == 0 )
        v22 = SPU_VOICE_LINEARIncN;
    arg->a_mode = v22;
    switch ( v21 & 0xE000 )
    {
        case 0xc000:
            v24 = SPU_VOICE_EXPDec;
            break;
        case 0x8000:
            v24 = SPU_VOICE_EXPIncN;
            break;
        case 0x4000:
            v24 = SPU_VOICE_LINEARDecN;
            break;
        default:
            v24 = SPU_VOICE_LINEARIncN;
            break;
    }
    arg->s_mode = v24;
    v25 = SPU_VOICE_EXPDec;
    if ( (v21 & 0x20) == 0 )
        v25 = SPU_VOICE_LINEARDecN;
    arg->r_mode = v25;
    arg->ar = (v20 >> 8) & 0x3F;
    arg->dr = (u8)(v20 & 0xF0) >> 4;
    arg->sr = (v21 >> 6) & 0x7F;
    arg->rr = v21 & 0x1F;
    arg->sl = v20 & 0xF;
    arg->adsr1 = v20;
    arg->adsr2 = v21;
}