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Patch matching BB battle param tables with raw HP diffs

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Incentive
2026-06-06 21:52:42 -04:00
parent b4a7374fae
commit 942dbbc5b9
2 changed files with 40 additions and 34 deletions
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src/SendCommands.cc
+18 -13
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@@ -847,7 +847,6 @@ static std::shared_ptr<AsyncPromise<C_ExecuteCodeResult_B3>> send_brutal_peeps_h
constexpr uint32_t scan_start = 0x16760000;
constexpr uint32_t scan_end = 0x16A90000;
constexpr uint32_t signature_size = 64;
constexpr uint32_t hp_patch_bytes = 0x60 * 2;
if (bp_entry->size < signature_size) {
c->log.warning_f("Skipping Brutal Peeps HP client patch: BattleParamEntry_on.dat too small for signature");
@@ -865,21 +864,27 @@ static std::shared_ptr<AsyncPromise<C_ExecuteCodeResult_B3>> send_brutal_peeps_h
append_u32l(suffix, scan_start);
append_u32l(suffix, scan_end);
append_u32l(suffix, signature_size);
append_u32l(suffix, hp_patch_bytes);
append_u32l(suffix, 0); // patched below after diff generation
suffix.append(vanilla_data, signature_size);
for (size_t z = 0; z < 0x60; z++) {
const auto& hp = table->stats[ultimate_index][z].char_stats.hp;
uint32_t hp_offset = reinterpret_cast<const char*>(&hp) - target_data.data();
const uint8_t* hp_bytes = reinterpret_cast<const uint8_t*>(&hp);
uint32_t patch_entry_count = 0;
for (uint32_t offset = 0; offset < target_data.size(); offset++) {
uint8_t old_byte = static_cast<uint8_t>(vanilla_data[offset]);
uint8_t new_byte = static_cast<uint8_t>(target_data[offset]);
if (old_byte == new_byte) {
continue;
}
append_u32l(suffix, hp_offset);
suffix.push_back(static_cast<char>(hp_bytes[0]));
append_u32l(suffix, hp_offset + 1);
suffix.push_back(static_cast<char>(hp_bytes[1]));
append_u32l(suffix, offset);
suffix.push_back(static_cast<char>(new_byte));
patch_entry_count++;
}
suffix[12] = static_cast<char>(patch_entry_count & 0xFF);
suffix[13] = static_cast<char>((patch_entry_count >> 8) & 0xFF);
suffix[14] = static_cast<char>((patch_entry_count >> 16) & 0xFF);
suffix[15] = static_cast<char>((patch_entry_count >> 24) & 0xFF);
auto fn = s->client_functions->get("PsoPeepsBrutalPeepsHP", c->specific_version);
auto promise = std::make_shared<AsyncPromise<C_ExecuteCodeResult_B3>>();
@@ -895,8 +900,8 @@ static std::shared_ptr<AsyncPromise<C_ExecuteCodeResult_B3>> send_brutal_peeps_h
c->enabled_flags |= fn->client_flag;
c->log.info_f("Brutal Peeps HP client patch sent: tier={} mult={:g} patch_bytes={} scan={:08X}-{:08X}",
tier, mult, hp_patch_bytes, scan_start, scan_end);
c->log.info_f("Brutal Peeps HP client patch sent: tier={} mult={:g} patch_entries={} scan={:08X}-{:08X}",
tier, mult, patch_entry_count, scan_start, scan_end);
return promise;