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isle/LEGO1/modeldb/modeldb.cpp
2024-07-02 22:04:05 +02:00

169 lines
3.6 KiB
C++

#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)
// FUNCTION: LEGO1 0x10027690
// FUNCTION: BETA10 0x100e5620
void ModelDbModel::Free()
{
delete[] m_modelName;
delete[] m_presenterName;
}
// FUNCTION: LEGO1 0x100276b0
MxResult ModelDbModel::Read(FILE* p_file)
{
MxU32 len;
if (fread(&len, sizeof(len), 1, p_file) != 1) {
return FAILURE;
}
m_modelName = new char[len];
if (fread(m_modelName, len, 1, p_file) != 1) {
return FAILURE;
}
if (fread(&m_unk0x04, sizeof(m_unk0x04), 1, p_file) != 1) {
return FAILURE;
}
if (fread(&m_unk0x08, sizeof(m_unk0x08), 1, p_file) != 1) {
return FAILURE;
}
if (fread(&len, sizeof(len), 1, p_file) != 1) {
return FAILURE;
}
m_presenterName = new char[len];
if (fread(m_presenterName, len, 1, p_file) != 1) {
return FAILURE;
}
if (fread(&m_location, sizeof(*m_location), 3, p_file) != 3) {
return FAILURE;
}
if (fread(&m_direction, sizeof(*m_direction), 3, p_file) != 3) {
return FAILURE;
}
if (fread(&m_up, sizeof(*m_up), 3, p_file) != 3) {
return FAILURE;
}
return fread(&m_unk0x34, sizeof(m_unk0x34), 1, p_file) == 1 ? SUCCESS : FAILURE;
}
// FUNCTION: LEGO1 0x10027850
MxResult ModelDbPart::Read(FILE* p_file)
{
MxU32 len;
char buff[128];
if (fread(&len, sizeof(len), 1, p_file) != 1) {
return FAILURE;
}
// (modernization) critical bug: buffer overrun
if (fread(buff, len, 1, p_file) != 1) {
return FAILURE;
}
m_roiName = buff;
if (fread(&m_partDataLength, sizeof(m_partDataLength), 1, p_file) != 1) {
return FAILURE;
}
return fread(&m_partDataOffset, sizeof(m_partDataOffset), 1, p_file) == 1 ? SUCCESS : FAILURE;
}
// 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;
}
// FUNCTION: LEGO1 0x10028080
// FUNCTION: BETA10 0x100e6431
void FreeModelDbWorlds(ModelDbWorld*& p_worlds, MxS32 p_numWorlds)
{
ModelDbWorld* worlds = p_worlds;
for (MxS32 i = 0; i < p_numWorlds; i++) {
delete[] worlds[i].m_worldName;
ModelDbPartListCursor cursor(worlds[i].m_partList);
ModelDbPart* part;
while (cursor.Next(part)) {
delete part;
}
delete worlds[i].m_partList;
ModelDbModel* models = worlds[i].m_models;
for (MxS32 j = 0; j < worlds[i].m_numModels; j++) {
models[j].Free();
}
delete[] worlds[i].m_models;
}
delete[] p_worlds;
p_worlds = NULL;
}