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https://github.com/open-goal/jak-project.git
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99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
#include <cstring>
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#include "sbank.h"
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#include "soundcommon.h"
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constexpr int N_BANKS = 3;
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SoundBank* gBanks[N_BANKS];
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SoundBank gCommonBank;
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SoundBank gLevelBank[2];
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void sbank_init_globals() {
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gBanks[0] = &gCommonBank;
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gBanks[1] = &gLevelBank[0];
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gBanks[2] = &gLevelBank[1];
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memset((void*)&gCommonBank, 0, sizeof(gCommonBank));
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memset((void*)&gLevelBank, 0, sizeof(gLevelBank));
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}
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void InitBanks() {
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for (auto& gBank : gBanks) {
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gBank->bank_handle = 0;
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gBank->sound_count = 0;
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strcpy(gBank->name, "<unused>");
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}
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}
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SoundBank* AllocateBank() {
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int idx = 0;
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// find a bank with unk1 = 0, or return nullptr if none exists
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while (true) {
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if (idx >= N_BANKS) {
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return nullptr;
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}
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if (gBanks[idx]->bank_handle == 0) {
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break;
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}
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idx++;
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}
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// Funny hack: The loader will read this out of the destination buffer in order to determine how
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// many sectors of sound name mapping it needs to read.
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if (idx == 0) {
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gBanks[0]->sound_count = 0x3fe;
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} else {
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gBanks[idx]->sound_count = 0x65;
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}
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return gBanks[idx];
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}
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s32 LookupSoundIndex(const char* name, SoundBank** bank_out) {
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int idx = 0;
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while (true) {
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if (idx > N_BANKS - 1) {
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return -1;
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}
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auto& bank = gBanks[idx];
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if (bank->bank_handle == 0) {
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break;
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}
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for (int i = 0; i < (int)bank->sound_count; i++) {
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if (memcmp(bank->sound[i].name, name, 16) == 0) {
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*bank_out = bank;
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return i;
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}
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}
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idx++;
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}
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return -1;
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}
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// name should be a 16-byte "sound name"
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SoundBank* LookupBank(const char* name) {
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int idx = N_BANKS - 1;
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while (true) {
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if (idx < 0) {
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return nullptr; // not found.
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}
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auto& bank = gBanks[idx];
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// they had some weird stuff here that took advantage of the fact that this region was
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// 16-byte aligned, so it probably wasn't a memcmp, but this is easier.
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if (memcmp(bank->name, name, 16) == 0) {
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return bank;
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}
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idx--;
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}
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}
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void ReloadBankInfo() {
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for (auto& b : gBanks) {
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if (b->bank_handle) {
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ReadBankSoundInfo(b, b, 1);
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}
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}
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}
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