Files
psopeeps-newserv/src/PSOGCObjectGraph.cc
T
2025-05-26 14:11:38 -07:00

97 lines
3.0 KiB
C++

#include "PSOGCObjectGraph.hh"
#include "Text.hh"
using namespace std;
struct TObjectVTable {
phosg::be_uint32_t unused_a1;
phosg::be_uint32_t unused_a2;
phosg::be_uint32_t destroy;
phosg::be_uint32_t update;
phosg::be_uint32_t render;
phosg::be_uint32_t render_shadow;
} __packed_ws__(TObjectVTable, 0x18);
struct TObject {
phosg::be_uint32_t type_name_addr;
phosg::be_uint16_t flags;
parray<uint8_t, 2> unused;
phosg::be_uint32_t prev_sibling_addr;
phosg::be_uint32_t next_sibling_addr;
phosg::be_uint32_t parent_addr;
phosg::be_uint32_t children_head_addr;
phosg::be_uint32_t vtable_addr;
} __packed_ws__(TObject, 0x1C);
PSOGCObjectGraph::PSOGCObjectGraph(const string& memory_data, uint32_t root_address) {
phosg::StringReader r(memory_data);
this->root = this->parse_object_memo(r, root_address);
}
shared_ptr<PSOGCObjectGraph::VTable> PSOGCObjectGraph::parse_vtable_memo(phosg::StringReader& r, uint32_t addr) {
try {
return this->all_vtables.at(addr);
} catch (const out_of_range&) {
}
const auto& vt = r.pget<TObjectVTable>(addr & 0x01FFFFFF);
auto ret = this->all_vtables.emplace(addr, make_shared<VTable>()).first->second;
ret->address = addr;
ret->destroy_addr = vt.destroy;
ret->update_addr = vt.update;
ret->render_addr = vt.render;
ret->render_shadow_addr = vt.render_shadow;
return ret;
}
shared_ptr<PSOGCObjectGraph::Object> PSOGCObjectGraph::parse_object_memo(phosg::StringReader& r, uint32_t addr) {
try {
return this->all_objects.at(addr);
} catch (const out_of_range&) {
}
const auto& obj = r.pget<TObject>(addr & 0x01FFFFFF);
string type_name = r.pget_cstr(obj.type_name_addr & 0x01FFFFFF);
auto ret = this->all_objects.emplace(addr, make_shared<Object>()).first->second;
ret->address = addr;
ret->flags = obj.flags;
ret->type_name = std::move(type_name);
ret->vtable = this->parse_vtable_memo(r, obj.vtable_addr);
if (obj.parent_addr) {
ret->parent = this->parse_object_memo(r, obj.parent_addr);
}
if (obj.children_head_addr) {
uint32_t child_addr = obj.children_head_addr;
while (child_addr) {
ret->children.emplace_back(this->parse_object_memo(r, child_addr));
child_addr = r.pget<TObject>(child_addr & 0x01FFFFFF).next_sibling_addr;
}
}
return ret;
}
void PSOGCObjectGraph::print(FILE* stream) const {
this->root->print(stream);
}
void PSOGCObjectGraph::Object::print(FILE* stream, size_t indent_level) const {
for (size_t z = 0; z < indent_level; z++) {
fputc(' ', stream);
fputc(' ', stream);
}
phosg::fwrite_fmt(stream, "{} +{:04X} @ {:08X} (VT {:08X}: destroy={:08X} update={:08X} render={:08X} render_shadow={:08X})\n",
this->type_name,
this->flags,
this->address,
this->vtable->address,
this->vtable->destroy_addr,
this->vtable->update_addr,
this->vtable->render_addr,
this->vtable->render_shadow_addr);
for (const auto& child : this->children) {
child->print(stream, indent_level + 1);
}
}