ksys/res: Finish implementing Chemical

src/KingSystem/Resource/resResourceChemical.cpp

@@ -1 +1,24 @@
 #include "KingSystem/Resource/resResourceChemical.h"
+
+namespace ksys::res {
+
+Chemical::Chemical() : ParamIO("chemical", 0) {
+    addList(&mRoot, "chemical_root");
+}
+
+void Chemical::doCreate_(u8* buffer, u32 buffer_size, sead::Heap* heap) {}
+
+bool Chemical::parse_(u8* data, size_t size, sead::Heap* heap) {
+    if (!data)
+        return true;
+
+    agl::utl::ResParameterArchive archive{data};
+
+    const auto chemical_root_list =
+        agl::utl::getResParameterList(archive.getRootList(), "chemical_root");
+    mRoot.parse(chemical_root_list, heap);
+
+    return true;
+}
+
+}  // namespace ksys::res

src/KingSystem/Resource/resResourceChemical.h

@@ -1,13 +1,25 @@
 #pragma once
 
+#include "KingSystem/Chemical/chmRoot.h"
 #include "KingSystem/Resource/resResource.h"
 #include "KingSystem/Utils/ParamIO.h"
 
 namespace ksys::res {
 
-// TODO
 class Chemical : public ParamIO, public Resource {
     SEAD_RTTI_OVERRIDE(Chemical, Resource)
+
+public:
+    Chemical();
+
+    void doCreate_(u8* buffer, u32 buffer_size, sead::Heap* heap) override;
+    bool needsParse() const override { return true; }
+    bool parse_(u8* data, size_t size, sead::Heap* heap) override;
+
+    const chm::Root& getRoot() const { return mRoot; }
+
+private:
+    chm::Root mRoot;
 };
 
 }  // namespace ksys::res