Implement ModelDb (WDB reader/parser) (#619)

* WIP Read WDB

* Fixes

* WIP

* WIP

* WIP

* WIP

* Match

* Match

* Fix Compare

* Rename member

LEGO1/modeldb/modeldb.cpp

@@ -0,0 +1,83 @@
+#include "modeldb.h"
+
+DECOMP_SIZE_ASSERT(ModelDbWorld, 0x18)
+DECOMP_SIZE_ASSERT(ModelDbPart, 0x18)
+DECOMP_SIZE_ASSERT(ModelDbModel, 0x38)
+DECOMP_SIZE_ASSERT(ModelDbPartList, 0x1c)
+DECOMP_SIZE_ASSERT(ModelDbPartListCursor, 0x10)
+
+// STUB: LEGO1 0x100276b0
+MxResult ModelDbModel::Read(FILE* p_file)
+{
+	return SUCCESS;
+}
+
+// STUB: LEGO1 0x10027850
+MxResult ModelDbPart::Read(FILE* p_file)
+{
+	return SUCCESS;
+}
+
+// FUNCTION: LEGO1 0x10027910
+MxResult ReadModelDbWorlds(FILE* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWorlds)
+{
+	p_worlds = NULL;
+	p_numWorlds = 0;
+
+	MxS32 numWorlds;
+	if (fread(&numWorlds, sizeof(numWorlds), 1, p_file) != 1) {
+		return FAILURE;
+	}
+
+	ModelDbWorld* worlds = new ModelDbWorld[numWorlds];
+	MxS32 worldNameLen, numParts, i, j;
+
+	for (i = 0; i < numWorlds; i++) {
+		if (fread(&worldNameLen, sizeof(worldNameLen), 1, p_file) != 1) {
+			return FAILURE;
+		}
+
+		worlds[i].m_worldName = new char[worldNameLen];
+		if (fread(worlds[i].m_worldName, worldNameLen, 1, p_file) != 1) {
+			return FAILURE;
+		}
+
+		if (fread(&numParts, sizeof(numParts), 1, p_file) != 1) {
+			return FAILURE;
+		}
+
+		worlds[i].m_partList = new ModelDbPartList();
+
+		for (j = 0; j < numParts; j++) {
+			ModelDbPart* part = new ModelDbPart();
+
+			if (part->Read(p_file) != SUCCESS) {
+				return FAILURE;
+			}
+
+			worlds[i].m_partList->Append(part);
+		}
+
+		if (fread(&worlds[i].m_numModels, sizeof(worlds[i].m_numModels), 1, p_file) != 1) {
+			return FAILURE;
+		}
+
+		worlds[i].m_models = new ModelDbModel[worlds[i].m_numModels];
+
+		for (j = 0; j < worlds[i].m_numModels; j++) {
+			if (worlds[i].m_models[j].Read(p_file) != SUCCESS) {
+				return FAILURE;
+			}
+		}
+	}
+
+	p_worlds = worlds;
+	p_numWorlds = numWorlds;
+	return SUCCESS;
+}
+
+// STUB: LEGO1 0x10028080
+void FreeModelDbWorlds(ModelDbWorld*& p_worlds, MxS32 p_numWorlds)
+{
+	// TODO
+}

LEGO1/modeldb/modeldb.h

@@ -0,0 +1,112 @@
+#ifndef MODELDB_H
+#define MODELDB_H
+
+#include "decomp.h"
+#include "mxlist.h"
+#include "mxstring.h"
+#include "mxtypes.h"
+
+#include <stdio.h>
+
+// SIZE 0x18
+struct ModelDbPart {
+	MxResult Read(FILE* p_file);
+
+	MxString m_roiName;   // 0x00
+	undefined4 m_unk0x10; // 0x10
+	undefined4 m_unk0x14; // 0x14
+};
+
+// VTABLE: LEGO1 0x100d6888
+// class MxCollection<ModelDbPart *>
+
+// VTABLE: LEGO1 0x100d68a0
+// class MxList<ModelDbPart *>
+
+// VTABLE: LEGO1 0x100d68b8
+// SIZE 0x1c
+class ModelDbPartList : public MxList<ModelDbPart*> {
+public:
+	ModelDbPartList() { m_unk0x18 = 1; }
+
+	// FUNCTION: LEGO1 0x10027c40
+	MxS8 Compare(ModelDbPart* p_a, ModelDbPart* p_b) override
+	{
+		MxS32 compare = strcmpi(p_a->m_roiName.GetData(), p_b->m_roiName.GetData());
+
+		if (compare == 0) {
+			p_b->m_unk0x10 = p_a->m_unk0x10;
+			p_b->m_unk0x14 = p_a->m_unk0x14;
+		}
+
+		return compare;
+	} // vtable+0x14
+
+	// SYNTHETIC: LEGO1 0x10027d70
+	// ModelDbPartList::`scalar deleting destructor'
+
+private:
+	undefined m_unk0x18;
+};
+
+// VTABLE: LEGO1 0x100d68d0
+// class MxListCursor<ModelDbPart *>
+
+// VTABLE: LEGO1 0x100d68e8
+// SIZE 0x10
+class ModelDbPartListCursor : public MxListCursor<ModelDbPart*> {
+public:
+	ModelDbPartListCursor(ModelDbPartList* p_list) : MxListCursor<ModelDbPart*>(p_list) {}
+};
+
+// TEMPLATE: LEGO1 0x10027c70
+// MxCollection<ModelDbPart *>::Compare
+
+// TEMPLATE: LEGO1 0x10027c80
+// MxCollection<ModelDbPart *>::~MxCollection<ModelDbPart *>
+
+// TEMPLATE: LEGO1 0x10027cd0
+// MxCollection<ModelDbPart *>::Destroy
+
+// TEMPLATE: LEGO1 0x10027ce0
+// MxList<ModelDbPart *>::~MxList<ModelDbPart *>
+
+// SYNTHETIC: LEGO1 0x10027de0
+// MxCollection<ModelDbPart *>::`scalar deleting destructor'
+
+// SYNTHETIC: LEGO1 0x10027e50
+// MxList<ModelDbPart *>::`scalar deleting destructor'
+
+// SYNTHETIC: LEGO1 0x10027f00
+// ModelDbPartListCursor::`scalar deleting destructor'
+
+// TEMPLATE: LEGO1 0x10027f70
+// MxListCursor<ModelDbPart *>::~MxListCursor<ModelDbPart *>
+
+// SYNTHETIC: LEGO1 0x10027fc0
+// MxListCursor<ModelDbPart *>::`scalar deleting destructor'
+
+// TEMPLATE: LEGO1 0x10028030
+// ModelDbPartListCursor::~ModelDbPartListCursor
+
+// SIZE 0x38
+struct ModelDbModel {
+	MxResult Read(FILE* p_file);
+
+	char* m_modelName;         // 0x00
+	undefined m_unk0x04[0x34]; // 0x04
+};
+
+// SIZE 0x18
+struct ModelDbWorld {
+	char* m_worldName;           // 0x00
+	ModelDbPartList* m_partList; // 0x04
+	ModelDbModel* m_models;      // 0x08
+	MxS32 m_numModels;           // 0x0c
+	undefined m_unk0x10[0x08];   // 0x10
+};
+
+MxResult ReadModelDbWorlds(FILE* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWorlds);
+void FreeModelDbWorlds(ModelDbWorld*& p_worlds, MxS32 p_numWorlds);
+
+#endif // MODELDB_H