mirror of
https://github.com/pret/pmd-sky.git
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Decomped DseTrackEvent_SongVolumeFade
Decomped by @Snioflake
This commit is contained in:
AnonymousRandomPerson
parent
ad23efbadc
commit
607b7b4ee7
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@ -30,7 +30,6 @@
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.public _022B8330
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.public _022B9584
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.public _s32_div_f
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.public _u32_div_f
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.public sub_0207C8B8
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.public sub_0207C8E0
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.public sub_0207CA04
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@ -1,50 +1,8 @@
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.include "asm/macros.inc"
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.include "main_02071C3C.inc"
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.include "main_02071CC8.inc"
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.text
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arm_func_start DseTrackEvent_SongVolumeFade
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DseTrackEvent_SongVolumeFade: ; 0x02071C3C
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stmdb sp!, {r4, r5, r6, lr}
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mov r5, r0
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ldrb r2, [r5]
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ldrb r0, [r5, #1]
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mov r4, r1
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add r0, r2, r0, lsl #8
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mov r0, r0, lsl #0x10
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movs r1, r0, lsr #0x10
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moveq r6, #0
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beq _02071C84
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mov r0, #0x3e8
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mul r0, r1, r0
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ldr r1, _02071CC4 ; =DRIVER_WORK
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ldrsh r1, [r1, #0x28]
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bl _u32_div_f
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mov r0, r0, lsl #0x10
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movs r6, r0, lsr #0x10
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moveq r6, #1
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_02071C84:
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ldrb r0, [r5, #2]
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cmp r6, #0
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mov r1, r0, lsl #0x10
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str r1, [r4, #0x70]
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streq r1, [r4, #0x68]
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beq _02071CB8
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ldr r0, [r4, #0x68]
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subs r0, r1, r0
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moveq r6, #0
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beq _02071CB8
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mov r1, r6
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bl _s32_div_f
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str r0, [r4, #0x6c]
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_02071CB8:
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strh r6, [r4, #0x74]
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add r0, r5, #3
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ldmia sp!, {r4, r5, r6, pc}
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.align 2, 0
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_02071CC4: .word DRIVER_WORK
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arm_func_end DseTrackEvent_SongVolumeFade
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arm_func_start DseTrackEvent_RestoreEnvelopeDefaults
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DseTrackEvent_RestoreEnvelopeDefaults: ; 0x02071CC8
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stmdb sp!, {r4, lr}
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145
include/dse.h
145
include/dse.h
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@ -1,6 +1,9 @@
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#ifndef PMDSKY_DSE_H
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#define PMDSKY_DSE_H
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#include "file.h"
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#include "thread.h"
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struct dse_fade {
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s32 current;
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s32 delta;
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@ -24,20 +27,20 @@ struct dse_lfo {
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u16 lfo_envelope_ticks_left;
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s32 envelope_level;
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s32 envelope_delta;
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u8 *output_ptr;
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u8 *waveform_callback;
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struct dse_lfo *next;
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u8* output_ptr;
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u8* waveform_callback;
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struct dse_lfo* next;
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};
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struct dse_lfo_bank {
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s16 outputs[6];
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struct dse_lfo *lfo_list;
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struct dse_lfo* lfo_list;
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struct dse_lfo lfos[4];
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};
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struct dse_sub_loop {
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u8 *start;
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u8 *end;
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u8* start;
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u8* end;
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u8 count;
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u8 octave;
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u8 field4_0xa;
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@ -87,7 +90,7 @@ struct dse_track {
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u8* position;
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u8* loop_start;
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struct dse_sub_loop loop_stack[4];
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struct dse_channel *channel;
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struct dse_channel* channel;
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u8 field_0x58;
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u8 field_0x59;
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u8 field_0x5a;
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@ -202,7 +205,7 @@ struct dse_channel {
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struct dse_note_list* held_notes_list;
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struct dse_wavebank* wavebank;
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struct dse_instrument* instrument;
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struct dse_synth *container;
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struct dse_synth* container;
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};
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struct dse_instrument_split {
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@ -254,7 +257,7 @@ struct dse_synth {
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u8 clear_volume_and_timer;
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u8 field_0xA;
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u8 num_voices;
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struct dse_synth *next;
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struct dse_synth* next;
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struct dse_channel channels[16]; /* flexible */
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};
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@ -268,7 +271,7 @@ struct dse_note_parameters {
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struct dse_note_list {
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struct dse_note_parameters parameters;
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s32 duration;
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struct dse_note_list *next;
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struct dse_note_list* next;
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};
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struct dse_sequence_unk_0x0 {
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@ -336,4 +339,126 @@ struct dse_sequence {
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struct dse_track tracks[16];
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};
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struct dse_note {
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u8 is_note_on;
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u8 is_held;
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u8 note_number;
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s8 volume;
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s32 duration;
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};
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struct dse_note_list_node {
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struct dse_note note;
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struct dse_note_list_node* next;
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};
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struct dse_se_bank {
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void* file;
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s16 field_0x4;
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u16 id;
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struct dse_se_bank* next;
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void* seq_location;
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void* mcrl_location;
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void* bnkl_location;
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u8 field_0x18[4];
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};
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struct dse_heap_allocator {
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void* allocate_fun;
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void* free_fun;
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void* arg;
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};
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struct dse_mainbank {
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u16 id;
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u16 num_wavi;
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u32 pcm_data_offset;
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void* wavi_data;
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u32 field_0xC;
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u32 field_0x10;
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struct file_stream file;
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struct dse_mainbank* next;
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};
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struct dse_driver_work {
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s8 initialized;
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u8 stopped;
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u16 unknown_0x2;
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s32 error_code;
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u32 error_data;
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u32 error_data2;
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s32 error2_code;
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u32 error2_data;
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u32 error2_data2;
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void* error_callback;
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void* error2_callback;
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u32 field_0x24;
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s16 microseconds_per_driver_tick;
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u16 field_0x2A;
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s32 total_driver_ticks;
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s32 driver_tick_rate;
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u32 current_rng_seed;
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u8 field_0x38;
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u8 field_0x39;
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u8 last_se_bank_num_sequences;
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u8 last_se_bank_tracks_per_sequence;
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u8 field_0x3C;
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s8 field_0x3D;
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u16 field_0x3E;
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u8 global_volumes[16];
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struct dse_note_list_node notes[128];
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struct dse_note_list_node* free_notes_list;
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u32 field_0x654;
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struct dse_synth* synth_list;
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u32 field_0x65C;
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struct dse_wavebank* loaded_wavebanks_list;
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struct dse_sequence* bgm_sequences_list;
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struct dse_sequence* se_sequences_list;
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struct dse_se_bank* loaded_effect_banks;
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u8 field_0x670[132];
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void* heap_node_list;
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void* heap_end;
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s32 heap_size;
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struct dse_heap_allocator heap_allocator;
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u8 field_0x70C[36];
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s16 num_voices;
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u16 active_voices_bits;
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u16 start_voices_bits;
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u16 deactivate_voices_bits;
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u16 deallocate_voices_bits;
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u16 field_0x73C;
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struct dse_voice voices[16];
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u16 field_0x1CFC;
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u16 field_0x1CFE;
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s32 num_active_voices;
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s32 prev_nom_active_voices;
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s32 ticks_until_num_active_voices_timeout;
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u32 microseconds_per_driver_tick_2;
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u32 field_1D10;
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u32 field_1D14;
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struct thread driver_thread;
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void* driver_stack;
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u32 field_0x1DDC;
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struct dse_mainbank* loaded_mainbanks;
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s32 mainbank_max_read_size;
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void* mainbank_read_callback;
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void* mainbank_read_callback_param;
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u8 loader_thread_priority;
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u8 field_0x1DF1;
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s8 quit_sample_loader;
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s8 is_sample_loader_sleeping;
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struct thread sample_loader_thread;
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void* sample_loader_thread_stack;
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struct dse_wavebank* loading_bank;
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void* loading_bank_pcm_data;
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};
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#endif //PMDSKY_DSE_H
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@ -5,5 +5,6 @@
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u8* DseTrackEvent_Dummy1Byte(u8 *ptr_next_byte, struct dse_sequence *sequence, struct dse_track *track, struct dse_channel *channel);
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u8* DseTrackEvent_SetInstrument(u8 *ptr_next_byte, struct dse_sequence *sequence, struct dse_track *track, struct dse_channel *channel);
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u8* DseTrackEvent_SongVolumeFade(u8 *ptr_next_byte, struct dse_sequence *sequence, struct dse_track *track, struct dse_channel *channel);
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#endif //PMDSKY_MAIN_02071BF4_H
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94
include/thread.h
Normal file
94
include/thread.h
Normal file
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@ -0,0 +1,94 @@
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#ifndef PMDSKY_THREAD_H
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#define PMDSKY_THREAD_H
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// Specifies a function called when a thread exits
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typedef void (*thread_exit_fn_t)(void);
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// Contains information about a running thread
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struct thread {
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s32 flags; // Probably a flags field. Usually 0x1F.
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struct thread* field_0x4; // r2 parameter in ThreadStart
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u32 field_0x8; // Initialized to 0
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u32 field_0xC; // Initialized to 0
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u32 field_0x10; // Initialized to 0
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u32 field_0x14; // Initialized to 0
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u32 field_0x18; // Initialized to 0
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u32 field_0x1C; // Initialized to 0
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u32 field_0x20; // Initialized to 0
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u32 field_0x24; // Initialized to 0
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u32 field_0x28; // Initialized to 0
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u32 field_0x2C; // Initialized to 0
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u32 field_0x30; // Initialized to 0
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u32 field_0x34; // Initialized to 0
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// 0x38: Points to the area of the allocated stack area that can actually be used to store data.
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// This is equal to stack_pointer - 0x44, with an additional - 4 if the resulting addess is not
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// aligned to 8 bytes.
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void* usable_stack_pointer;
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// 0x3C: Address of the function to return to once the thread exits. Usually ThreadExit.
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thread_exit_fn_t exit_function;
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void* function_address_plus_4; // 0x40: Pointer to the function to run + 4
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void* stack_pointer_minus_4; // 0x44: Pointer to the start of the stack area - 4
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u8 field_0x48;
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u8 field_0x49;
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u8 field_0x4A;
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u8 field_0x4B;
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u8 field_0x4C;
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u8 field_0x4D;
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u8 field_0x4E;
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u8 field_0x4F;
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u8 field_0x50;
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u8 field_0x51;
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u8 field_0x52;
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u8 field_0x53;
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u8 field_0x54;
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u8 field_0x55;
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u8 field_0x56;
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u8 field_0x57;
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u8 field_0x58;
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u8 field_0x59;
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u8 field_0x5A;
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u8 field_0x5B;
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u8 field_0x5C;
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u8 field_0x5D;
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u8 field_0x5E;
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u8 field_0x5F;
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u8 field_0x60;
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u8 field_0x61;
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u8 field_0x62;
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u8 field_0x63;
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u32 field_0x64; // Initialized to 0
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// 0x68: Pointer to the next thread. This forms a linked list sorted in ascending order
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// according to sorting_order
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struct thread* next_thread;
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// 0x6C: Seems to be a thread ID that gets incremented for each new thread created.
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s32 thread_id;
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s32 sorting_order; // 0x70: Unknown. Used to sort threads.
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u32 field_0x74; // Initialized to 0
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u32 field_0x78; // Initialized to 0
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u32 field_0x7C; // Initialized to 0
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u32 field_0x80; // Initialized to 0
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u32 field_0x84; // Initialized to 0
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u32 field_0x88; // Initialized to 0
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u32 field_0x8C; // Initialized to 0
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void* stack_end_pointer; // 0x90: Pointer to the end of the stack area (exclusive)
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void* stack_pointer; // 0x94: Pointer to the start of the stack area (inclusive)
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u32 field_0x98; // Initialized to 0
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u32 field_0x9C; // Initialized to 0
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u32 field_0xA0; // Initialized to 0
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// Initialized to 0. Actually part of a separate struct alongside field_0xA8 and field_0xAC.
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u32 field_0xA4;
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u32 field_0xA8; // Initialized to 0
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u32 field_0xAC; // Initialized to 0
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u32 field_0xB0; // Initialized to 0
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u32 field_0xB4; // Initialized to 0
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u8 field_0xB8;
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u8 field_0xB9;
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u8 field_0xBA;
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u8 field_0xBB;
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u8 field_0xBC;
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u8 field_0xBD;
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u8 field_0xBE;
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u8 field_0xBF;
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};
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#endif //PMDSKY_THREAD_H
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2
main.lsf
2
main.lsf
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@ -80,7 +80,7 @@ Static main
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Object src/main_02071A98.o
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Object asm/main_02071AC0.o
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Object src/main_02071BF4.o
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Object asm/main_02071C3C.o
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Object asm/main_02071CC8.o
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Object lib/DSE/src/dc_envelope.o
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Object lib/DSE/src/dc_lfo.o
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Object lib/DSE/asm/dc_lfo_1.o
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@ -1,12 +1,16 @@
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#include "main_02071BF4.h"
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extern struct dse_driver_work DRIVER_WORK;
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extern u32 DseChannel_SetInstrument(struct dse_channel *channel, u16 instrument_index);
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extern u32 _u32_div_f(u32 dividend, u32 divisor);
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extern u32 _s32_div_f(s32 dividend, s32 divisor);
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u8* DseTrackEvent_Dummy1Byte(u8 *ptr_next_byte, struct dse_sequence *sequence, struct dse_track *track, struct dse_channel *channel)
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{
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return ptr_next_byte + 1;
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}
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extern u32 DseChannel_SetInstrument(struct dse_channel *channel, u16 instrument_index);
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u8* DseTrackEvent_SetInstrument(u8 *ptr_next_byte, struct dse_sequence *sequence, struct dse_track *track, struct dse_channel *channel)
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{
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s32 iVar1;
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@ -17,3 +21,38 @@ u8* DseTrackEvent_SetInstrument(u8 *ptr_next_byte, struct dse_sequence *sequence
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}
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return ptr_next_byte + 1;
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}
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u8* DseTrackEvent_SongVolumeFade(u8 *ptr_next_byte, struct dse_sequence *sequence, struct dse_track *track, struct dse_channel *channel)
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{
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s32 iVar2;
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u32 uVar3;
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u16 uVar4;
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uVar4 = (u32)*ptr_next_byte + (u32)ptr_next_byte[1] * 0x100 & 0xffff;
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if (uVar4 == 0) {
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uVar4 = 0;
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}
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else {
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uVar4 = _u32_div_f(uVar4 * 1000,DRIVER_WORK.microseconds_per_driver_tick);
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if (uVar4 == 0) {
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uVar4 = 1;
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}
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}
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iVar2 = (u32)ptr_next_byte[2] * 0x10000;
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(sequence->volume).target = iVar2;
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if (uVar4 == 0) {
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(sequence->volume).current = iVar2;
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}
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else {
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iVar2 = iVar2 - (sequence->volume).current;
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if (iVar2 == 0) {
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uVar4 = 0;
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}
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else {
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uVar3 = _s32_div_f(iVar2,uVar4);
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(sequence->volume).delta = uVar3;
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}
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}
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(sequence->volume).ticks_remaining = (short)uVar4;
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return ptr_next_byte + 3;
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}
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