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Patches: Implement dynamic patching support in pnaches

This commit is contained in:
Ty Lamontagne 2024-09-10 20:36:12 -04:00
parent 67d7744f7f
commit 4ec25ccd38
No known key found for this signature in database
GPG Key ID: 41C90AE46958A892
1 changed files with 120 additions and 23 deletions
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109
pcsx2/Patch.cpp
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@ -114,6 +114,7 @@ namespace Patch
std::optional<AspectRatioType> override_aspect_ratio;
std::optional<GSInterlaceMode> override_interlace_mode;
std::vector<PatchCommand> patches;
std::vector<DynamicPatch> dpatches;
};
struct PatchTextTable
@ -132,6 +133,7 @@ namespace Patch
static void patch(PatchGroup* group, const std::string_view cmd, const std::string_view param);
static void gsaspectratio(PatchGroup* group, const std::string_view cmd, const std::string_view param);
static void gsinterlacemode(PatchGroup* group, const std::string_view cmd, const std::string_view param);
static void dpatch(PatchGroup* group, const std::string_view cmd, const std::string_view param);
} // namespace PatchFunc
static void TrimPatchLine(std::string& buffer);
@ -187,6 +189,7 @@ namespace Patch
{0, "patch", &Patch::PatchFunc::patch},
{0, "gsaspectratio", &Patch::PatchFunc::gsaspectratio},
{0, "gsinterlacemode", &Patch::PatchFunc::gsinterlacemode},
{0, "dpatch", &Patch::PatchFunc::dpatch},
{0, nullptr, nullptr},
};
} // namespace Patch
@ -247,9 +250,8 @@ u32 Patch::LoadPatchesFromString(PatchList* patch_list, const std::string& patch
PatchGroup current_patch_group;
const auto add_current_patch = [patch_list, &current_patch_group]() {
if (current_patch_group.patches.empty())
return;
if (!current_patch_group.patches.empty())
{
// Ungrouped/legacy patches should merge with other ungrouped patches.
if (current_patch_group.name.empty())
{
@ -272,6 +274,10 @@ u32 Patch::LoadPatchesFromString(PatchList* patch_list, const std::string& patch
return;
}
}
if (current_patch_group.patches.empty() && current_patch_group.dpatches.empty())
return;
// Don't show patches with duplicate names, prefer the first loaded.
if (!ContainsPatchName(*patch_list, current_patch_group.name))
@ -302,7 +308,7 @@ u32 Patch::LoadPatchesFromString(PatchList* patch_list, const std::string& patch
continue;
}
if (!current_patch_group.name.empty() || !current_patch_group.patches.empty())
if (!current_patch_group.name.empty() || !current_patch_group.patches.empty() || !current_patch_group.dpatches.empty())
{
add_current_patch();
current_patch_group = {};
@ -318,7 +324,7 @@ u32 Patch::LoadPatchesFromString(PatchList* patch_list, const std::string& patch
LoadPatchLine(&current_patch_group, line);
}
if (!current_patch_group.name.empty() || !current_patch_group.patches.empty())
if (!current_patch_group.name.empty() || !current_patch_group.patches.empty() || !current_patch_group.dpatches.empty())
add_current_patch();
return static_cast<u32>(patch_list->size() - before);
@ -623,13 +629,18 @@ u32 Patch::EnablePatches(const PatchList& patches, const EnablePatchList& enable
s_active_patches.push_back(&ip);
}
for (const DynamicPatch& dp : p.dpatches)
{
s_active_dynamic_patches.push_back(dp);
}
if (p.override_aspect_ratio.has_value())
s_override_aspect_ratio = p.override_aspect_ratio;
if (p.override_interlace_mode.has_value())
s_override_interlace_mode = p.override_interlace_mode;
// Count unlabelled patches once per command, or one patch per group.
count += p.name.empty() ? static_cast<u32>(p.patches.size()) : 1;
count += p.name.empty() ? (static_cast<u32>(p.patches.size()) + static_cast<u32>(p.dpatches.size())) : 1;
}
return count;
@ -688,6 +699,7 @@ void Patch::UpdateActivePatches(bool reload_enabled_list, bool verbose, bool ver
s_active_patches.clear();
s_override_aspect_ratio.reset();
s_override_interlace_mode.reset();
s_active_dynamic_patches.clear();
SmallString message;
u32 gp_count = 0;
@ -901,6 +913,91 @@ void Patch::PatchFunc::gsinterlacemode(PatchGroup* group, const std::string_view
group->override_interlace_mode = static_cast<GSInterlaceMode>(interlace_mode.value());
}
void Patch::PatchFunc::dpatch(PatchGroup* group, const std::string_view cmd, const std::string_view param)
{
#define PATCH_ERROR(fstring, ...) \
Console.Error(fmt::format("(dPatch) Error Parsing: {}={}: " fstring, cmd, param, __VA_ARGS__))
// [0]=number of patterns,[1]=number of replacements
// Each pattern or replacement is [2]=offset,[3]=hex
const std::vector<std::string_view> pieces(StringUtil::SplitString(param, ',', false));
if (pieces.size() < 2)
{
PATCH_ERROR("Expected at least 2 data parameters; only found {}", pieces.size());
return;
}
std::string_view patterns_end, replacements_end;
std::optional<u32> num_patterns = StringUtil::FromChars<u32>(pieces[0], 16, &patterns_end);
std::optional<u32> num_replacements = StringUtil::FromChars<u32>(pieces[1], 16, &replacements_end);
if (!num_patterns.has_value())
{
PATCH_ERROR("Malformed number of patterns '{}', a decimal number is expected", pieces[0]);
return;
}
if (!num_replacements.has_value())
{
PATCH_ERROR("Malformed number of replacements '{}', a decimal number is expected", pieces[1]);
return;
}
if (pieces.size() != ((num_patterns.value() * 2) + (num_replacements.value() * 2) + 2))
{
PATCH_ERROR("Expected 2 fields for each {} patterns and {} replacements; found {}", num_patterns.value(), num_replacements.value(), pieces.size() - 2);
return;
}
DynamicPatch dpatch;
for (u32 i = 0; i < num_patterns.value(); i++)
{
std::optional<u32> offset = StringUtil::FromChars<u32>(pieces[2 + (i * 2)], 16);
std::optional<u32> value = StringUtil::FromChars<u32>(pieces[3 + (i * 2)], 16);
if (!offset.has_value())
{
PATCH_ERROR("Malformed offset '{}', a hex number without prefix (e.g. 0123ABCD) is expected", pieces[2 + (i * 2)]);
return;
}
if (!value.has_value())
{
PATCH_ERROR("Malformed value '{}', a hex number without prefix (e.g. 0123ABCD) is expected", pieces[3 + (i * 2)]);
return;
}
DynamicPatchEntry pattern;
pattern.offset = offset.value();
pattern.value = value.value();
dpatch.pattern.push_back(pattern);
}
for (u32 i = 0; i < num_replacements.value(); i++)
{
std::optional<u32> offset = StringUtil::FromChars<u32>(pieces[2 + (num_patterns.value() * 2) + (i * 2)], 16);
std::optional<u32> value = StringUtil::FromChars<u32>(pieces[3 + (num_patterns.value() * 2) + (i * 2)], 16);
if (!offset.has_value())
{
PATCH_ERROR("Malformed offset '{}', a hex number without prefix (e.g. 0123ABCD) is expected", pieces[2 + (num_patterns.value() * 2) + (i * 2)]);
return;
}
if (!value.has_value())
{
PATCH_ERROR("Malformed value '{}', a hex number without prefix (e.g. 0123ABCD) is expected", pieces[3 + (num_patterns.value() * 2) + (i * 2)]);
return;
}
DynamicPatchEntry replacement;
replacement.offset = offset.value();
replacement.value = value.value();
dpatch.replacement.push_back(replacement);
}
group->dpatches.push_back(dpatch);
}
// This is for applying patches directly to memory
void Patch::ApplyLoadedPatches(patch_place_type place)
{