1 files changed, 0 insertions, 116 deletions
diff --git a/arm7/lib/src/SND_channel.c b/arm7/lib/src/SND_channel.c
deleted file mode 100644
index 66acf606..00000000
--- a/arm7/lib/src/SND_channel.c
+++ /dev/null
@@ -1,116 +0,0 @@
-#include "SND_channel.h"
-
-#include "SND_lfo.h"
-
-// TODO remove this extern once we actually know where this table is
-extern u8 sSampleDataShiftTable[4];
-
-u16 CalcDecayCoeff(int vol) {
-    if (vol == 127)
-        return 0xFFFF;
-    else if (vol == 126)
-        return 0x3C00;
-    else if (vol < 50)
-        return (u16)(vol * 2 + 1);
-    else
-        return (u16)(0x1E00 / (126 - vol));
-}
-
-void ExChannelSetup(struct SNDExChannel *chn, SNDExChannelCallback callback, void *callbackUserData, int priority) {
-    chn->channelLLNext = NULL;
-    chn->callback = callback;
-    chn->callbackUserData = callbackUserData;
-    chn->length = 0;
-    chn->priority = (u8)priority;
-    chn->volume = 127;
-    chn->flags.start = FALSE;
-    chn->flags.autoSweep = TRUE;
-    chn->midiKey = 60;
-    chn->rootMidiKey = 60;
-    chn->velocity = 127;
-    chn->initPan = 0;
-    chn->userDecay = 0;
-    chn->userDecay2 = 0;
-    chn->userPitch = 0;
-    chn->userPan = 0;
-    chn->panRange = 127;
-    chn->sweepPitch = 0;
-    chn->sweepLength = 0;
-    chn->sweepCounter = 0;
-
-    SND_SetExChannelAttack(chn, 127);
-    SND_SetExChannelDecay(chn, 127);
-    SND_SetExChannelSustain(chn, 127);
-    SND_SetExChannelRelease(chn, 127);
-    SND_InitLfoParam(&chn->lfo.param);
-}
-
-void ExChannelStart(struct SNDExChannel *chn, int length) {
-    chn->envAttenuation = -92544;
-    chn->envStatus = 0;
-    chn->length = length;
-    SND_StartLfo(&chn->lfo);
-    chn->flags.start = TRUE;
-    chn->flags.active = TRUE;
-}
-
-int ExChannelVolumeCmp(struct SNDExChannel *chn_a, struct SNDExChannel *chn_b) {
-    int vol_a = chn_a->volume & 0xFF;
-    int vol_b = chn_b->volume & 0xFF;
-
-    vol_a <<= 4;
-    vol_b <<= 4;
-
-    vol_a >>= sSampleDataShiftTable[chn_a->volume >> 8];
-    vol_b >>= sSampleDataShiftTable[chn_b->volume >> 8];
-
-    if (vol_a != vol_b) {
-        if (vol_a < vol_b)
-            return 1;
-        else
-            return -1;
-    }
-    return 0;
-}
-
-int ExChannelSweepUpdate(struct SNDExChannel *chn, BOOL step) {
-    s64 result;
-
-    if (chn->sweepPitch == 0) {
-        result = 0;
-    } else if (chn->sweepCounter >= chn->sweepLength) {
-        result = 0;
-    } else {
-        result = (s64)chn->sweepPitch * (chn->sweepLength - chn->sweepCounter) / chn->sweepLength;
-
-        if (step && chn->flags.autoSweep)
-            chn->sweepCounter++;
-    }
-
-    return (int)result;
-}
-
-int ExChannelLfoUpdate(struct SNDExChannel *chn, BOOL step) {
-    s64 result = SND_GetLfoValue(&chn->lfo);
-
-    if (result != 0) {
-        switch (chn->lfo.param.target) {
-        case SND_LFO_VOLUME:
-            result *= 60;
-            break;
-        case SND_LFO_PITCH:
-            result <<= 6;
-            break;
-        case SND_LFO_PAN:
-            result <<= 6;
-            break;
-        }
-        result >>= 14;
-    }
-
-    if (step) {
-        SND_UpdateLfo(&chn->lfo);
-    }
-
-    return (int)result;
-}