Use SDL3 for filesystem access (#36)
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* Use SDL IOStream in for MXIOINFO

* Use SDL IOStream for WDB file

* Use SDL IOStream for LegoStorage

* Update README.md

* Fixes

* Add names to skip.yml

* Add #include <stdio.h> where necessary
This commit is contained in:
Christian Semmler 2024-12-16 14:25:52 -07:00 committed by GitHub
parent aa3a66cd82
commit f51b1867ee
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
36 changed files with 290 additions and 169 deletions

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@ -98,7 +98,6 @@ EXPORTS
?RemoveAll@ViewManager@@QAEXPAVViewROI@@@Z
?RemoveWorld@LegoOmni@@QAEXABVMxAtomId@@J@Z
?Save@LegoGameState@@QAEJK@Z
?Seek@MxDSFile@@UAEJJH@Z
?SerializePlayersInfo@LegoGameState@@QAEXF@Z
?SerializeScoreHistory@LegoGameState@@QAEXF@Z
?SetCD@MxOmni@@SAXPBD@Z

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@ -146,7 +146,6 @@ _ZN8MxDSFile13GetBufferSizeEv
_ZN8MxDSFile19GetStreamBuffersNumEv
_ZN8MxDSFile4OpenEj
_ZN8MxDSFile4ReadEPhj
_ZN8MxDSFile4SeekEii
_ZN8MxDSFile5CloseEv
_ZN8MxDSFileC1EPKcj
_ZN8MxDSFileC2EPKcj

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@ -3,7 +3,7 @@
#include "legoentitypresenter.h"
#include <stdio.h>
#include <SDL3/SDL_iostream.h>
class LegoWorld;
struct ModelDbPart;
@ -50,8 +50,8 @@ class LegoWorldPresenter : public LegoEntityPresenter {
// LegoWorldPresenter::`scalar deleting destructor'
private:
MxResult FUN_10067360(ModelDbPart& p_part, FILE* p_wdbFile);
MxResult FUN_100674b0(ModelDbModel& p_model, FILE* p_wdbFile, LegoWorld* p_world);
MxResult FUN_10067360(ModelDbPart& p_part, SDL_IOStream* p_wdbFile);
MxResult FUN_100674b0(ModelDbModel& p_model, SDL_IOStream* p_wdbFile, LegoWorld* p_world);
undefined4 m_unk0x50;
};

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@ -16,6 +16,7 @@
#include "roi/legoroi.h"
#include <assert.h>
#include <stdio.h>
DECOMP_SIZE_ASSERT(Act3Actor, 0x178)
DECOMP_SIZE_ASSERT(Act3Cop, 0x188)

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@ -23,6 +23,8 @@
#include "mxvariabletable.h"
#include "scripts.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(Ambulance, 0x184)
DECOMP_SIZE_ASSERT(AmbulanceMissionState, 0x24)

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@ -18,6 +18,8 @@
#include "mxtransitionmanager.h"
#include "mxvariabletable.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(DuneBuggy, 0x16c)
// GLOBAL: LEGO1 0x100f7660

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@ -16,6 +16,8 @@
#include "mxvariabletable.h"
#include "scripts.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(Jetski, 0x164)
// GLOBAL: LEGO1 0x100f7ab8

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@ -16,6 +16,8 @@
#include "mxtransitionmanager.h"
#include "mxvariabletable.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(Motocycle, 0x16c)
// FUNCTION: LEGO1 0x100357b0

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@ -20,6 +20,8 @@
#include "mxtransitionmanager.h"
#include "mxvariabletable.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(TowTrack, 0x180)
DECOMP_SIZE_ASSERT(TowTrackMissionState, 0x28)

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@ -31,6 +31,7 @@
#include "scripts.h"
#include <isle.h>
#include <stdio.h>
#include <vec.h>
// Names and values verified by BETA10 0x1006d742.

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@ -29,6 +29,7 @@
#include "viewmanager/viewmanager.h"
#include <io.h>
#include <stdio.h>
#include <vec.h>
DECOMP_SIZE_ASSERT(LegoAnimationManager, 0x500)

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@ -16,6 +16,7 @@
#include "roi/legolod.h"
#include "viewmanager/viewmanager.h"
#include <stdio.h>
#include <vec.h>
DECOMP_SIZE_ASSERT(LegoCharacter, 0x08)

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@ -32,6 +32,7 @@
#include <SDL3/SDL_events.h>
#include <process.h>
#include <stdio.h>
#include <string.h>
#include <vec.h>

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@ -18,6 +18,8 @@
#include "mxutilities.h"
#include "realtime/realtime.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(LegoEntity, 0x68)
// FUNCTION: LEGO1 0x100105f0

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@ -27,7 +27,7 @@
#include "mxstl/stlcompat.h"
#include "mxutilities.h"
#include <io.h>
#include <stdio.h>
DECOMP_SIZE_ASSERT(LegoWorldPresenter, 0x54)
@ -35,7 +35,7 @@ DECOMP_SIZE_ASSERT(LegoWorldPresenter, 0x54)
MxS32 g_legoWorldPresenterQuality = 1;
// GLOBAL: LEGO1 0x100f75d8
MxLong g_wdbOffset = 0;
Sint64 g_wdbOffset = 0;
// FUNCTION: LEGO1 0x100665b0
void LegoWorldPresenter::configureLegoWorldPresenter(MxS32 p_legoWorldPresenterQuality)
@ -166,22 +166,26 @@ MxResult LegoWorldPresenter::LoadWorld(char* p_worldName, LegoWorld* p_world)
char wdbPath[512];
sprintf(wdbPath, "%s", MxOmni::GetHD());
if (wdbPath[strlen(wdbPath) - 1] != '\\') {
if (wdbPath[strlen(wdbPath) - 1] != '\\' && wdbPath[strlen(wdbPath) - 1] != '/') {
strcat(wdbPath, "\\");
}
strcat(wdbPath, "lego\\data\\world.wdb");
MxString::NormalizePath(wdbPath);
if (access(wdbPath, 4) != 0) {
SDL_IOStream* wdbFile;
if ((wdbFile = SDL_IOFromFile(wdbPath, "rb")) == NULL) {
sprintf(wdbPath, "%s", MxOmni::GetCD());
if (wdbPath[strlen(wdbPath) - 1] != '\\') {
if (wdbPath[strlen(wdbPath) - 1] != '\\' && wdbPath[strlen(wdbPath) - 1] != '/') {
strcat(wdbPath, "\\");
}
strcat(wdbPath, "lego\\data\\world.wdb");
MxString::NormalizePath(wdbPath);
if (access(wdbPath, 4) != 0) {
if ((wdbFile = SDL_IOFromFile(wdbPath, "rb")) == NULL) {
return FAILURE;
}
}
@ -190,11 +194,6 @@ MxResult LegoWorldPresenter::LoadWorld(char* p_worldName, LegoWorld* p_world)
MxS32 numWorlds, i, j;
MxU32 size;
MxU8* buff;
FILE* wdbFile = fopen(wdbPath, "rb");
if (wdbFile == NULL) {
return FAILURE;
}
ReadModelDbWorlds(wdbFile, worlds, numWorlds);
@ -209,12 +208,12 @@ MxResult LegoWorldPresenter::LoadWorld(char* p_worldName, LegoWorld* p_world)
}
if (g_wdbOffset == 0) {
if (fread(&size, sizeof(size), 1, wdbFile) != 1) {
if (SDL_ReadIO(wdbFile, &size, sizeof(size)) != sizeof(size)) {
return FAILURE;
}
buff = new MxU8[size];
if (fread(buff, size, 1, wdbFile) != 1) {
if (SDL_ReadIO(wdbFile, buff, size) != size) {
return FAILURE;
}
@ -229,12 +228,12 @@ MxResult LegoWorldPresenter::LoadWorld(char* p_worldName, LegoWorld* p_world)
delete[] buff;
if (fread(&size, sizeof(size), 1, wdbFile) != 1) {
if (SDL_ReadIO(wdbFile, &size, sizeof(size)) != sizeof(size)) {
return FAILURE;
}
buff = new MxU8[size];
if (fread(buff, size, 1, wdbFile) != 1) {
if (SDL_ReadIO(wdbFile, buff, size) != size) {
return FAILURE;
}
@ -248,10 +247,10 @@ MxResult LegoWorldPresenter::LoadWorld(char* p_worldName, LegoWorld* p_world)
delete[] buff;
g_wdbOffset = ftell(wdbFile);
g_wdbOffset = SDL_TellIO(wdbFile);
}
else {
if (fseek(wdbFile, g_wdbOffset, SEEK_SET) != 0) {
if (SDL_SeekIO(wdbFile, g_wdbOffset, SDL_IO_SEEK_SET) != g_wdbOffset) {
return FAILURE;
}
}
@ -309,18 +308,18 @@ MxResult LegoWorldPresenter::LoadWorld(char* p_worldName, LegoWorld* p_world)
}
FreeModelDbWorlds(worlds, numWorlds);
fclose(wdbFile);
SDL_CloseIO(wdbFile);
return SUCCESS;
}
// FUNCTION: LEGO1 0x10067360
MxResult LegoWorldPresenter::FUN_10067360(ModelDbPart& p_part, FILE* p_wdbFile)
MxResult LegoWorldPresenter::FUN_10067360(ModelDbPart& p_part, SDL_IOStream* p_wdbFile)
{
MxResult result;
MxU8* buff = new MxU8[p_part.m_partDataLength];
fseek(p_wdbFile, p_part.m_partDataOffset, SEEK_SET);
if (fread(buff, p_part.m_partDataLength, 1, p_wdbFile) != 1) {
SDL_SeekIO(p_wdbFile, p_part.m_partDataOffset, SDL_IO_SEEK_SET);
if (SDL_ReadIO(p_wdbFile, buff, p_part.m_partDataLength) != p_part.m_partDataLength) {
return FAILURE;
}
@ -340,12 +339,12 @@ MxResult LegoWorldPresenter::FUN_10067360(ModelDbPart& p_part, FILE* p_wdbFile)
}
// FUNCTION: LEGO1 0x100674b0
MxResult LegoWorldPresenter::FUN_100674b0(ModelDbModel& p_model, FILE* p_wdbFile, LegoWorld* p_world)
MxResult LegoWorldPresenter::FUN_100674b0(ModelDbModel& p_model, SDL_IOStream* p_wdbFile, LegoWorld* p_world)
{
MxU8* buff = new MxU8[p_model.m_unk0x04];
fseek(p_wdbFile, p_model.m_unk0x08, SEEK_SET);
if (fread(buff, p_model.m_unk0x04, 1, p_wdbFile) != 1) {
SDL_SeekIO(p_wdbFile, p_model.m_unk0x08, SDL_IO_SEEK_SET);
if (SDL_ReadIO(p_wdbFile, buff, p_model.m_unk0x04) != p_model.m_unk0x04) {
return FAILURE;
}

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@ -23,6 +23,8 @@
#include "mxvariabletable.h"
#include "scripts.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(CarRace, 0x154)
// GLOBAL: LEGO1 0x100d5d10

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@ -22,6 +22,8 @@
#include "mxvariabletable.h"
#include "scripts.h"
#include <stdio.h>
// Defined in legopathstruct.cpp
extern MxBool g_unk0x100f119c;

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@ -19,6 +19,8 @@
#include "mxvariabletable.h"
#include "raceskel.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(EdgeReference, 0x08)
DECOMP_SIZE_ASSERT(SkeletonKickPhase, 0x10)
DECOMP_SIZE_ASSERT(LegoRaceCar, 0x200)

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@ -26,6 +26,8 @@
#include "realtime/realtime.h"
#include "viewmanager/viewmanager.h"
#include <stdio.h>
DECOMP_SIZE_ASSERT(LegoAnimPresenter, 0xbc)
// FUNCTION: LEGO1 0x10068420

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@ -23,6 +23,7 @@
#include "mxtransitionmanager.h"
#include "scripts.h"
#include <stdio.h>
#include <vec.h>
DECOMP_SIZE_ASSERT(Act3, 0x4274)

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@ -42,7 +42,7 @@ LegoFile::LegoFile()
LegoFile::~LegoFile()
{
if (m_file) {
fclose(m_file);
SDL_CloseIO(m_file);
}
}
@ -52,7 +52,7 @@ LegoResult LegoFile::Read(void* p_buffer, LegoU32 p_size)
if (!m_file) {
return FAILURE;
}
if (fread(p_buffer, 1, p_size, m_file) != p_size) {
if (SDL_ReadIO(m_file, p_buffer, p_size) != p_size) {
return FAILURE;
}
return SUCCESS;
@ -64,7 +64,7 @@ LegoResult LegoFile::Write(const void* p_buffer, LegoU32 p_size)
if (!m_file) {
return FAILURE;
}
if (fwrite(p_buffer, 1, p_size, m_file) != p_size) {
if (SDL_WriteIO(m_file, p_buffer, p_size) != p_size) {
return FAILURE;
}
return SUCCESS;
@ -76,7 +76,7 @@ LegoResult LegoFile::GetPosition(LegoU32& p_position)
if (!m_file) {
return FAILURE;
}
LegoU32 position = ftell(m_file);
Sint64 position = SDL_TellIO(m_file);
if (position == -1) {
return FAILURE;
}
@ -90,7 +90,7 @@ LegoResult LegoFile::SetPosition(LegoU32 p_position)
if (!m_file) {
return FAILURE;
}
if (fseek(m_file, p_position, SEEK_SET) != 0) {
if (SDL_SeekIO(m_file, p_position, SDL_IO_SEEK_SET) != p_position) {
return FAILURE;
}
return SUCCESS;
@ -100,7 +100,7 @@ LegoResult LegoFile::SetPosition(LegoU32 p_position)
LegoResult LegoFile::Open(const char* p_name, LegoU32 p_mode)
{
if (m_file) {
fclose(m_file);
SDL_CloseIO(m_file);
}
char mode[4];
mode[0] = '\0';
@ -115,13 +115,15 @@ LegoResult LegoFile::Open(const char* p_name, LegoU32 p_mode)
strcat(mode, "w");
}
if ((p_mode & c_text) != 0) {
strcat(mode, "t");
}
else {
strcat(mode, "b");
}
if (!(m_file = fopen(p_name, mode))) {
MxString path(p_name);
path.NormalizePath();
if (!(m_file = SDL_IOFromFile(path.GetData(), mode))) {
return FAILURE;
}
return SUCCESS;

View file

@ -5,7 +5,7 @@
#include "mxgeometry/mxgeometry3d.h"
#include "mxstring.h"
#include <stdio.h>
#include <SDL3/SDL_iostream.h>
// VTABLE: LEGO1 0x100d7d80
// SIZE 0x08
@ -149,7 +149,7 @@ class LegoFile : public LegoStorage {
// LegoFile::`scalar deleting destructor'
protected:
FILE* m_file; // 0x08
SDL_IOStream* m_file; // 0x08
};
#endif // __LEGOSTORAGE_H

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@ -15,44 +15,44 @@ void ModelDbModel::Free()
}
// FUNCTION: LEGO1 0x100276b0
MxResult ModelDbModel::Read(FILE* p_file)
MxResult ModelDbModel::Read(SDL_IOStream* p_file)
{
MxU32 len;
if (fread(&len, sizeof(len), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &len, sizeof(len)) != sizeof(len)) {
return FAILURE;
}
m_modelName = new char[len];
if (fread(m_modelName, len, 1, p_file) != 1) {
if (SDL_ReadIO(p_file, m_modelName, len) != len) {
return FAILURE;
}
if (fread(&m_unk0x04, sizeof(m_unk0x04), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &m_unk0x04, sizeof(m_unk0x04)) != sizeof(m_unk0x04)) {
return FAILURE;
}
if (fread(&m_unk0x08, sizeof(m_unk0x08), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &m_unk0x08, sizeof(m_unk0x08)) != sizeof(m_unk0x08)) {
return FAILURE;
}
if (fread(&len, sizeof(len), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &len, sizeof(len)) != sizeof(len)) {
return FAILURE;
}
m_presenterName = new char[len];
if (fread(m_presenterName, len, 1, p_file) != 1) {
if (SDL_ReadIO(p_file, m_presenterName, len) != len) {
return FAILURE;
}
if (fread(&m_location, sizeof(*m_location), 3, p_file) != 3) {
if (SDL_ReadIO(p_file, m_location, sizeof(m_location)) != sizeof(m_location)) {
return FAILURE;
}
if (fread(&m_direction, sizeof(*m_direction), 3, p_file) != 3) {
if (SDL_ReadIO(p_file, m_direction, sizeof(m_direction)) != sizeof(m_direction)) {
return FAILURE;
}
if (fread(&m_up, sizeof(*m_up), 3, p_file) != 3) {
if (SDL_ReadIO(p_file, m_up, sizeof(m_up)) != sizeof(m_up)) {
return FAILURE;
}
if (fread(&m_unk0x34, sizeof(m_unk0x34), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &m_unk0x34, sizeof(m_unk0x34)) != sizeof(m_unk0x34)) {
return FAILURE;
}
@ -60,26 +60,27 @@ MxResult ModelDbModel::Read(FILE* p_file)
}
// FUNCTION: LEGO1 0x10027850
MxResult ModelDbPart::Read(FILE* p_file)
MxResult ModelDbPart::Read(SDL_IOStream* p_file)
{
MxU32 len;
char buff[128];
if (fread(&len, sizeof(len), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &len, sizeof(len)) != sizeof(len)) {
return FAILURE;
}
// (modernization) critical bug: buffer overrun
if (fread(buff, len, 1, p_file) != 1) {
char* buff = new char[len];
if (SDL_ReadIO(p_file, buff, len) != len) {
return FAILURE;
}
m_roiName = buff;
delete[] buff;
if (fread(&m_partDataLength, sizeof(m_partDataLength), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &m_partDataLength, sizeof(m_partDataLength)) != sizeof(m_partDataLength)) {
return FAILURE;
}
if (fread(&m_partDataOffset, sizeof(m_partDataOffset), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &m_partDataOffset, sizeof(m_partDataOffset)) != sizeof(m_partDataOffset)) {
return FAILURE;
}
@ -87,13 +88,13 @@ MxResult ModelDbPart::Read(FILE* p_file)
}
// FUNCTION: LEGO1 0x10027910
MxResult ReadModelDbWorlds(FILE* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWorlds)
MxResult ReadModelDbWorlds(SDL_IOStream* 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) {
if (SDL_ReadIO(p_file, &numWorlds, sizeof(numWorlds)) != sizeof(numWorlds)) {
return FAILURE;
}
@ -101,16 +102,16 @@ MxResult ReadModelDbWorlds(FILE* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWo
MxS32 worldNameLen, numParts, i, j;
for (i = 0; i < numWorlds; i++) {
if (fread(&worldNameLen, sizeof(worldNameLen), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &worldNameLen, sizeof(worldNameLen)) != sizeof(worldNameLen)) {
return FAILURE;
}
worlds[i].m_worldName = new char[worldNameLen];
if (fread(worlds[i].m_worldName, worldNameLen, 1, p_file) != 1) {
if (SDL_ReadIO(p_file, worlds[i].m_worldName, worldNameLen) != worldNameLen) {
return FAILURE;
}
if (fread(&numParts, sizeof(numParts), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &numParts, sizeof(numParts)) != sizeof(numParts)) {
return FAILURE;
}
@ -126,7 +127,8 @@ MxResult ReadModelDbWorlds(FILE* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWo
worlds[i].m_partList->Append(part);
}
if (fread(&worlds[i].m_numModels, sizeof(worlds[i].m_numModels), 1, p_file) != 1) {
if (SDL_ReadIO(p_file, &worlds[i].m_numModels, sizeof(worlds[i].m_numModels)) !=
sizeof(worlds[i].m_numModels)) {
return FAILURE;
}

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@ -6,11 +6,11 @@
#include "mxstring.h"
#include "mxtypes.h"
#include <stdio.h>
#include <SDL3/SDL_iostream.h>
// SIZE 0x18
struct ModelDbPart {
MxResult Read(FILE* p_file);
MxResult Read(SDL_IOStream* p_file);
MxString m_roiName; // 0x00
undefined4 m_partDataLength; // 0x10
@ -92,7 +92,7 @@ class ModelDbPartListCursor : public MxListCursor<ModelDbPart*> {
// SIZE 0x38
struct ModelDbModel {
void Free();
MxResult Read(FILE* p_file);
MxResult Read(SDL_IOStream* p_file);
char* m_modelName; // 0x00
undefined4 m_unk0x04; // 0x04
@ -113,7 +113,7 @@ struct ModelDbWorld {
undefined m_unk0x10[0x08]; // 0x10
};
MxResult ReadModelDbWorlds(FILE* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWorlds);
MxResult ReadModelDbWorlds(SDL_IOStream* p_file, ModelDbWorld*& p_worlds, MxS32& p_numWorlds);
void FreeModelDbWorlds(ModelDbWorld*& p_worlds, MxS32 p_numWorlds);
#endif // MODELDB_H

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@ -6,8 +6,6 @@
#include "mxstring.h"
#include "mxtypes.h"
#include <windows.h>
// VTABLE: LEGO1 0x100dc890
// VTABLE: BETA10 0x101c2418
// SIZE 0x7c
@ -43,14 +41,14 @@ class MxDSFile : public MxDSSource {
MxResult Open(MxULong) override; // vtable+0x14
MxResult Close() override; // vtable+0x18
MxResult Read(unsigned char*, MxULong) override; // vtable+0x20
MxResult Seek(MxLong, MxS32) override; // vtable+0x24
MxResult Seek(MxLong, SDL_IOWhence) override; // vtable+0x24
MxULong GetBufferSize() override; // vtable+0x28
MxULong GetStreamBuffersNum() override; // vtable+0x2c
// FUNCTION: BETA10 0x1015e110
void SetFileName(const char* p_filename) { m_filename = p_filename; }
MxS32 CalcFileSize() { return GetFileSize(m_io.m_info.hmmio, NULL); }
MxS32 CalcFileSize() { return SDL_GetIOSize(m_io.m_file); }
// SYNTHETIC: LEGO1 0x100c01e0
// SYNTHETIC: BETA10 0x10148e40
@ -63,7 +61,7 @@ class MxDSFile : public MxDSSource {
MxS16 m_majorVersion; // 0x00
MxS16 m_minorVersion; // 0x02
MxULong m_bufferSize; // 0x04
MxU32 m_bufferSize; // 0x04
MxS16 m_streamBuffersNum; // 0x08
MxS16 m_reserved; // 0x0a
};

View file

@ -3,6 +3,8 @@
#include "mxcore.h"
#include <SDL3/SDL_iostream.h>
class MxDSBuffer;
// VTABLE: LEGO1 0x100dc8c8
@ -31,7 +33,7 @@ class MxDSSource : public MxCore {
virtual MxLong Close() = 0; // vtable+0x18
virtual MxResult ReadToBuffer(MxDSBuffer* p_buffer); // vtable+0x1c
virtual MxResult Read(unsigned char*, MxULong) = 0; // vtable+0x20
virtual MxLong Seek(MxLong, MxS32) = 0; // vtable+0x24
virtual MxLong Seek(MxLong, SDL_IOWhence) = 0; // vtable+0x24
virtual MxULong GetBufferSize() = 0; // vtable+0x28
virtual MxULong GetStreamBuffersNum() = 0; // vtable+0x2c
virtual MxLong GetLengthInDWords(); // vtable+0x30

View file

@ -3,15 +3,70 @@
#include "mxtypes.h"
// mmsystem.h requires inclusion of windows.h before
// clang-format off
#include <windows.h>
#include <mmsystem.h>
// clang-format on
#include <SDL3/SDL_iostream.h>
#if defined(_M_IX86) || defined(__i386__)
#define MXIO_MINFO_MFILE
#endif
// [library:filesystem]
// We define the bare minimum constants and structures to be compatible with the code in mxio.cpp
// This is mostly copy-pasted from the MMSYSTEM.H Windows header.
/* MMIO error return values */
#define MMIOERR_BASE 256
#define MMIOERR_OUTOFMEMORY (MMIOERR_BASE + 2) /* out of memory */
#define MMIOERR_CANNOTOPEN (MMIOERR_BASE + 3) /* cannot open */
#define MMIOERR_CANNOTREAD (MMIOERR_BASE + 5) /* cannot read */
#define MMIOERR_CANNOTWRITE (MMIOERR_BASE + 6) /* cannot write */
#define MMIOERR_CANNOTSEEK (MMIOERR_BASE + 7) /* cannot seek */
#define MMIOERR_CHUNKNOTFOUND (MMIOERR_BASE + 9) /* chunk not found */
#define MMIOERR_UNBUFFERED (MMIOERR_BASE + 10) /* */
/* bit field masks */
#define MMIO_RWMODE 0x00000003 /* open file for reading/writing/both */
/* constants for dwFlags field of MMIOINFO */
#define MMIO_ALLOCBUF 0x00010000 /* mmioOpen() should allocate a buffer */
#define MMIO_DIRTY 0x10000000 /* I/O buffer is dirty */
/* read/write mode numbers (bit field MMIO_RWMODE) */
#define MMIO_READ 0x00000000 /* open file for reading only */
#define MMIO_WRITE 0x00000001 /* open file for writing only */
#define MMIO_READWRITE 0x00000002 /* open file for reading and writing */
/* MMIO macros */
#define mmioFOURCC(ch0, ch1, ch2, ch3) FOURCC(ch0, ch1, ch2, ch3)
/* standard four character codes */
#define FOURCC_RIFF mmioFOURCC('R', 'I', 'F', 'F')
#define FOURCC_LIST mmioFOURCC('L', 'I', 'S', 'T')
/* various MMIO flags */
#define MMIO_FINDRIFF 0x0020 /* mmioDescend: find a LIST chunk */
#define MMIO_FINDLIST 0x0040 /* mmioDescend: find a RIFF chunk */
/* general MMIO information data structure */
typedef struct _ISLE_MMIOINFO {
/* general fields */
MxU32 dwFlags; /* general status flags */
/* fields maintained by MMIO functions during buffered I/O */
Sint64 cchBuffer; /* size of I/O buffer (or 0L) */
char* pchBuffer; /* start of I/O buffer (or NULL) */
char* pchNext; /* pointer to next byte to read/write */
char* pchEndRead; /* pointer to last valid byte to read */
char* pchEndWrite; /* pointer to last byte to write */
Sint64 lBufOffset; /* disk offset of start of buffer */
/* fields maintained by I/O procedure */
Sint64 lDiskOffset; /* disk offset of next read or write */
} ISLE_MMIOINFO;
/* RIFF chunk information data structure */
typedef struct _ISLE_MMCKINFO {
MxU32 ckid; /* chunk ID */
MxU32 cksize; /* chunk size */
MxU32 fccType; /* form type or list type */
MxU32 dwDataOffset; /* offset of data portion of chunk */
MxU32 dwFlags; /* flags used by MMIO functions */
} ISLE_MMCKINFO;
// SIZE 0x48
class MXIOINFO {
@ -23,19 +78,18 @@ class MXIOINFO {
MxU16 Close(MxLong);
MxLong Read(void*, MxLong);
MxLong Write(void*, MxLong);
MxLong Seek(MxLong, MxLong);
MxLong Seek(MxLong, SDL_IOWhence);
MxU16 SetBuffer(char*, MxLong, MxLong);
MxU16 Flush(MxU16);
MxU16 Advance(MxU16);
MxU16 Descend(MMCKINFO*, const MMCKINFO*, MxU16);
MxU16 Ascend(MMCKINFO*, MxU16);
MxU16 Descend(ISLE_MMCKINFO*, const ISLE_MMCKINFO*, MxU16);
MxU16 Ascend(ISLE_MMCKINFO*, MxU16);
// NOTE: In MXIOINFO, the `hmmio` member of MMIOINFO is used like
// an HFILE (int) instead of an HMMIO (WORD).
MMIOINFO m_info;
#ifndef MXIO_MINFO_MFILE
HFILE m_file;
#endif
ISLE_MMIOINFO m_info;
// [library:filesystem] This handle is always used instead of the `hmmio` member in m_info.
SDL_IOStream* m_file;
};
#endif // MXIO_H

View file

@ -36,6 +36,7 @@ class MxOmni : public MxCore {
static void SetCD(const char* p_cd);
static void SetHD(const char* p_hd);
static void SetSound3D(MxBool p_use3dSound);
static void NormalizePath(char* p_path);
MxOmni();
~MxOmni() override;

View file

@ -17,6 +17,7 @@ class MxString : public MxCore {
void Reverse();
void ToUpperCase();
void ToLowerCase();
void NormalizePath() { NormalizePath(m_data); }
MxString& operator=(const MxString& p_str);
const MxString& operator=(const char* p_str);
@ -25,6 +26,7 @@ class MxString : public MxCore {
MxString& operator+=(const char* p_str);
static void CharSwap(char* p_a, char* p_b);
static void NormalizePath(char* p_path);
// FUNCTION: BETA10 0x10017c50
char* GetData() const { return m_data; }

View file

@ -2,6 +2,7 @@
#include "decomp.h"
#include <SDL3/SDL_platform_defines.h>
#include <stdlib.h>
#include <string.h>
@ -185,3 +186,22 @@ void MxString::CharSwap(char* p_a, char* p_b)
*p_a = *p_b;
*p_b = t;
}
void MxString::NormalizePath(char* p_path)
{
// [library:filesystem]
// This function is used to build a consistent path that will eventually be used to read a file.
// The input may come with Windows path separators, i.e. \lego\scripts\infocntr\infomain
// We have to replace the backslashes with forward slashes to be able to access the files
// on non-Windows systems
#if !defined(SDL_PLATFORM_WINDOWS)
char* path = p_path;
while (*path) {
if (*path == '\\') {
*path = '/';
}
path++;
}
#endif
}

View file

@ -164,9 +164,9 @@ void FUN_100b7220(MxDSAction* p_action, MxU32 p_newFlags, MxBool p_setFlags)
MxDSObject* CreateStreamObject(MxDSFile* p_file, MxS16 p_ofs)
{
MxU8* buf;
_MMCKINFO tmpChunk;
ISLE_MMCKINFO tmpChunk;
if (p_file->Seek(((MxLong*) p_file->GetBuffer())[p_ofs], SEEK_SET)) {
if (p_file->Seek(((MxLong*) p_file->GetBuffer())[p_ofs], SDL_IO_SEEK_SET)) {
return NULL;
}

View file

@ -245,7 +245,7 @@ void MxDiskStreamProvider::PerformWork()
buffer = streamingAction->GetUnknowna0();
if (m_pFile->GetPosition() == streamingAction->GetBufferOffset() ||
m_pFile->Seek(streamingAction->GetBufferOffset(), SEEK_SET) == 0) {
m_pFile->Seek(streamingAction->GetBufferOffset(), SDL_IO_SEEK_SET) == 0) {
buffer->SetUnknown14(m_pFile->GetPosition());
if (m_pFile->ReadToBuffer(buffer) == SUCCESS) {

View file

@ -3,6 +3,7 @@
#include "decomp.h"
#include "mxdebug.h"
#include <SDL3/SDL.h>
#include <stdio.h>
#define SI_MAJOR_VERSION 2
@ -41,7 +42,7 @@ MxResult MxDSFile::Open(MxULong p_uStyle)
Close();
}
else {
Seek(0, SEEK_SET);
Seek(0, SDL_IO_SEEK_SET);
}
return result;
@ -51,8 +52,8 @@ MxResult MxDSFile::Open(MxULong p_uStyle)
// FUNCTION: BETA10 0x1015dd18
MxResult MxDSFile::ReadChunks()
{
_MMCKINFO topChunk;
_MMCKINFO childChunk;
ISLE_MMCKINFO topChunk;
ISLE_MMCKINFO childChunk;
char tempBuffer[80];
topChunk.fccType = FOURCC('O', 'M', 'N', 'I');
@ -70,7 +71,7 @@ MxResult MxDSFile::ReadChunks()
m_io.Read(&m_header, 0x0c);
if ((m_header.m_majorVersion != SI_MAJOR_VERSION) || (m_header.m_minorVersion != SI_MINOR_VERSION)) {
sprintf(tempBuffer, "Wrong SI file version. %d.%d expected.", SI_MAJOR_VERSION, SI_MINOR_VERSION);
MessageBoxA(NULL, tempBuffer, NULL, MB_ICONERROR);
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "LEGO® Island Error", tempBuffer, NULL);
return FAILURE;
}
@ -116,7 +117,7 @@ MxResult MxDSFile::Read(unsigned char* p_buf, MxULong p_nbytes)
// FUNCTION: LEGO1 0x100cc7b0
// FUNCTION: BETA10 0x1015dfee
MxResult MxDSFile::Seek(MxLong p_lOffset, MxS32 p_iOrigin)
MxResult MxDSFile::Seek(MxLong p_lOffset, SDL_IOWhence p_iOrigin)
{
m_position = m_io.Seek(p_lOffset, p_iOrigin);
if (m_position == -1) {

View file

@ -1,23 +1,19 @@
#include "mxio.h"
#include "decomp.h"
#include "mxstring.h"
#include <assert.h>
#include <limits.h>
// This class should be 72 bytes in size, same as the MMIOINFO struct.
// The current implementation has MMIOINFO as the only member of the class,
// but this assert will enforce the size if we decide to change that.
DECOMP_SIZE_ASSERT(MXIOINFO, sizeof(MMIOINFO));
#ifdef MXIO_MINFO_MFILE
#define ASSIGN_M_FILE(X) m_info.hmmio = (HMMIO) (X)
#define M_FILE (HFILE)(m_info.hmmio)
#define RAW_M_FILE m_info.hmmio
#else
#define ASSIGN_M_FILE(X) m_file = (X)
#define M_FILE (m_file)
#define RAW_M_FILE m_file
#endif
// FUNCTION: LEGO1 0x100cc800
// FUNCTION: BETA10 0x1015e140
@ -37,21 +33,23 @@ MXIOINFO::~MXIOINFO()
// FUNCTION: BETA10 0x1015e189
MxU16 MXIOINFO::Open(const char* p_filename, MxULong p_flags)
{
OFSTRUCT unused;
// [library:filesystem] p_flags is always 0 (OF_READ)
assert(p_flags == 0);
MxU16 result = 0;
m_info.lDiskOffset = m_info.lBufOffset = 0;
// DECOMP: Cast of p_flags to u16 forces the `movzx` instruction
// original: m_info.hmmio = OpenFile(p_filename, &unused, (MxU16) p_flags);
ASSIGN_M_FILE(OpenFile(p_filename, &unused, (MxU16) p_flags));
MxString path(p_filename);
path.NormalizePath();
ASSIGN_M_FILE(SDL_IOFromFile(path.GetData(), "rb"));
if (M_FILE != HFILE_ERROR) {
if (M_FILE != NULL) {
m_info.dwFlags = p_flags;
if (m_info.dwFlags & MMIO_ALLOCBUF) {
// Default buffer length of 8k if none specified
MxLong len = m_info.cchBuffer;
Sint64 len = m_info.cchBuffer;
if (len == 0) {
len = 8192;
}
@ -66,7 +64,7 @@ MxU16 MXIOINFO::Open(const char* p_filename, MxULong p_flags)
}
else {
m_info.cchBuffer = len;
m_info.pchBuffer = (HPSTR) buf;
m_info.pchBuffer = buf;
}
m_info.pchNext = m_info.pchEndRead = m_info.pchBuffer;
@ -88,7 +86,7 @@ MxU16 MXIOINFO::Close(MxLong p_unused)
if (RAW_M_FILE) {
result = Flush(0);
_lclose(M_FILE);
SDL_CloseIO(M_FILE);
ASSIGN_M_FILE(0);
if (m_info.dwFlags & MMIO_ALLOCBUF) {
@ -106,11 +104,11 @@ MxU16 MXIOINFO::Close(MxLong p_unused)
// FUNCTION: BETA10 0x1015e3b2
MxLong MXIOINFO::Read(void* p_buf, MxLong p_len)
{
MxLong bytesRead = 0;
Sint64 bytesRead = 0;
if (m_info.pchBuffer) {
MxLong bytesLeft = m_info.pchEndRead - m_info.pchNext;
Sint64 bytesLeft = m_info.pchEndRead - m_info.pchNext;
while (p_len > 0) {
if (bytesLeft > 0) {
@ -139,11 +137,11 @@ MxLong MXIOINFO::Read(void* p_buf, MxLong p_len)
}
}
else if (RAW_M_FILE && p_len > 0) {
bytesRead = _hread(M_FILE, p_buf, p_len);
bytesRead = SDL_ReadIO(M_FILE, p_buf, p_len);
if (bytesRead == -1) {
if (SDL_GetIOStatus(M_FILE) == SDL_IO_STATUS_ERROR) {
bytesRead = 0;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
m_info.lDiskOffset += bytesRead;
@ -156,11 +154,11 @@ MxLong MXIOINFO::Read(void* p_buf, MxLong p_len)
// FUNCTION: BETA10 0x1015e4fc
MxLong MXIOINFO::Write(void* p_buf, MxLong p_len)
{
MxLong bytesWritten = 0;
Sint64 bytesWritten = 0;
if (m_info.pchBuffer) {
MxLong bytesLeft = m_info.pchEndWrite - m_info.pchNext;
Sint64 bytesLeft = m_info.pchEndWrite - m_info.pchNext;
while (p_len > 0) {
if (bytesLeft > 0) {
@ -192,11 +190,11 @@ MxLong MXIOINFO::Write(void* p_buf, MxLong p_len)
}
}
else if (RAW_M_FILE && p_len > 0) {
bytesWritten = _hwrite(M_FILE, (const char*) p_buf, p_len);
bytesWritten = SDL_WriteIO(M_FILE, p_buf, p_len);
if (bytesWritten == -1) {
if (SDL_GetIOStatus(M_FILE) == SDL_IO_STATUS_ERROR) {
bytesWritten = 0;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
m_info.lDiskOffset += bytesWritten;
@ -212,30 +210,30 @@ MxLong MXIOINFO::Write(void* p_buf, MxLong p_len)
// FUNCTION: LEGO1 0x100cca00
// FUNCTION: BETA10 0x1015e6c4
MxLong MXIOINFO::Seek(MxLong p_offset, MxLong p_origin)
MxLong MXIOINFO::Seek(MxLong p_offset, SDL_IOWhence p_origin)
{
MxLong result = -1;
MxLong bytesRead;
Sint64 bytesRead;
// If buffered I/O
if (m_info.pchBuffer) {
if (p_origin == SEEK_CUR) {
if (p_origin == SDL_IO_SEEK_CUR) {
if (!p_offset) {
// don't seek at all and just return where we are.
return m_info.lBufOffset + (m_info.pchNext - m_info.pchBuffer);
}
// With SEEK_CUR, p_offset is a relative offset.
// Get the absolute position instead and use SEEK_SET.
// With SDL_IO_SEEK_CUR, p_offset is a relative offset.
// Get the absolute position instead and use SDL_IO_SEEK_SET.
p_offset += m_info.lBufOffset + (m_info.pchNext - m_info.pchBuffer);
p_origin = SEEK_SET;
p_origin = SDL_IO_SEEK_SET;
}
else if (p_origin == SEEK_END) {
else if (p_origin == SDL_IO_SEEK_END) {
// not possible with buffered I/O
return -1;
}
// else p_origin == SEEK_SET.
// else p_origin == SDL_IO_SEEK_SET.
// is p_offset between the start and end of the buffer?
// i.e. can we do the seek without reading more from disk?
@ -246,10 +244,10 @@ MxLong MXIOINFO::Seek(MxLong p_offset, MxLong p_origin)
else {
// we have to read another chunk from disk.
if (RAW_M_FILE && !Flush(0)) {
m_info.lDiskOffset = _llseek(M_FILE, p_offset, p_origin);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, p_offset, p_origin);
if (m_info.lDiskOffset == -1) {
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
@ -259,10 +257,10 @@ MxLong MXIOINFO::Seek(MxLong p_offset, MxLong p_origin)
// do we need to seek again?
// (i.e. are we already aligned to buffer size?)
if (p_offset != m_info.lBufOffset) {
m_info.lDiskOffset = _llseek(M_FILE, m_info.lBufOffset, SEEK_SET);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, m_info.lBufOffset, SDL_IO_SEEK_SET);
if (m_info.lDiskOffset == -1) {
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
}
@ -270,10 +268,10 @@ MxLong MXIOINFO::Seek(MxLong p_offset, MxLong p_origin)
// is the file open for writing only?
if ((m_info.dwFlags & MMIO_RWMODE) == 0 || (m_info.dwFlags & MMIO_RWMODE) == MMIO_READWRITE) {
// We can read from the file. Fill the buffer.
bytesRead = _hread(M_FILE, m_info.pchBuffer, m_info.cchBuffer);
bytesRead = SDL_ReadIO(M_FILE, m_info.pchBuffer, m_info.cchBuffer);
if (bytesRead == -1) {
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
if (SDL_GetIOStatus(M_FILE) == SDL_IO_STATUS_ERROR) {
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
m_info.lDiskOffset += bytesRead;
@ -297,16 +295,16 @@ MxLong MXIOINFO::Seek(MxLong p_offset, MxLong p_origin)
else if (RAW_M_FILE) {
// No buffer so just seek the file directly (if we have a valid handle)
// i.e. if we just want to get the current file position
if (p_origin == SEEK_CUR && p_offset == 0) {
if (p_origin == SDL_IO_SEEK_CUR && p_offset == 0) {
return m_info.lDiskOffset;
}
m_info.lDiskOffset = _llseek(M_FILE, p_offset, p_origin);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, p_offset, p_origin);
result = m_info.lDiskOffset;
if (result == -1) {
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
}
@ -338,7 +336,7 @@ MxU16 MXIOINFO::SetBuffer(char* p_buf, MxLong p_len, MxLong p_unused)
MxU16 MXIOINFO::Flush(MxU16 p_unused)
{
MxU16 result = 0;
MxLong bytesWritten;
Sint64 bytesWritten;
// if buffer is dirty
if (m_info.dwFlags & MMIO_DIRTY) {
@ -350,20 +348,20 @@ MxU16 MXIOINFO::Flush(MxU16 p_unused)
MxLong cchBuffer = m_info.cchBuffer;
if (cchBuffer > 0) {
if (m_info.lBufOffset != m_info.lDiskOffset) {
m_info.lDiskOffset = _llseek(M_FILE, m_info.lBufOffset, SEEK_SET);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, m_info.lBufOffset, SDL_IO_SEEK_SET);
}
// Was the previous seek (if required) successful?
if (m_info.lBufOffset != m_info.lDiskOffset) {
result = MMIOERR_CANNOTSEEK;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
bytesWritten = _hwrite(M_FILE, m_info.pchBuffer, cchBuffer);
bytesWritten = SDL_WriteIO(M_FILE, m_info.pchBuffer, cchBuffer);
if (bytesWritten == -1 || bytesWritten != cchBuffer) {
if (SDL_GetIOStatus(M_FILE) == SDL_IO_STATUS_ERROR || bytesWritten != cchBuffer) {
result = MMIOERR_CANNOTWRITE;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
m_info.lDiskOffset += bytesWritten;
@ -393,8 +391,8 @@ MxU16 MXIOINFO::Advance(MxU16 p_option)
MxULong rwmode = m_info.dwFlags & MMIO_RWMODE;
if (m_info.pchBuffer) {
MxLong cch = m_info.cchBuffer;
MxLong bytesCounter;
Sint64 cch = m_info.cchBuffer;
Sint64 bytesCounter;
// If we can and should write to the file,
// if we are being asked to write to the file,
@ -403,19 +401,19 @@ MxU16 MXIOINFO::Advance(MxU16 p_option)
((p_option & MMIO_WRITE) || (rwmode == MMIO_READWRITE)) && cch > 0) {
if (m_info.lBufOffset != m_info.lDiskOffset) {
m_info.lDiskOffset = _llseek(M_FILE, m_info.lBufOffset, SEEK_SET);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, m_info.lBufOffset, SDL_IO_SEEK_SET);
}
if (m_info.lBufOffset != m_info.lDiskOffset) {
result = MMIOERR_CANNOTSEEK;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
bytesCounter = _hwrite(M_FILE, m_info.pchBuffer, cch);
bytesCounter = SDL_WriteIO(M_FILE, m_info.pchBuffer, cch);
if (bytesCounter == -1 || bytesCounter != cch) {
if (SDL_GetIOStatus(M_FILE) == SDL_IO_STATUS_ERROR || bytesCounter != cch) {
result = MMIOERR_CANNOTWRITE;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
m_info.lDiskOffset += bytesCounter;
@ -429,20 +427,20 @@ MxU16 MXIOINFO::Advance(MxU16 p_option)
m_info.lBufOffset += cch;
if ((!rwmode || rwmode == MMIO_READWRITE) && cch > 0) {
if (m_info.lBufOffset != m_info.lDiskOffset) {
m_info.lDiskOffset = _llseek(M_FILE, m_info.lBufOffset, SEEK_SET);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, m_info.lBufOffset, SDL_IO_SEEK_SET);
}
// if previous seek failed
if (m_info.lBufOffset != m_info.lDiskOffset) {
result = MMIOERR_CANNOTSEEK;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
bytesCounter = _hread(M_FILE, m_info.pchBuffer, cch);
bytesCounter = SDL_ReadIO(M_FILE, m_info.pchBuffer, cch);
if (bytesCounter == -1) {
if (SDL_GetIOStatus(M_FILE) == SDL_IO_STATUS_ERROR) {
result = MMIOERR_CANNOTREAD;
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
}
else {
m_info.lDiskOffset += bytesCounter;
@ -461,11 +459,11 @@ MxU16 MXIOINFO::Advance(MxU16 p_option)
// FUNCTION: LEGO1 0x100cce60
// FUNCTION: BETA10 0x1015edef
MxU16 MXIOINFO::Descend(MMCKINFO* p_chunkInfo, const MMCKINFO* p_parentInfo, MxU16 p_descend)
MxU16 MXIOINFO::Descend(ISLE_MMCKINFO* p_chunkInfo, const ISLE_MMCKINFO* p_parentInfo, MxU16 p_descend)
{
MxU16 result = 0;
MxULong ofs;
BOOL readOk;
MxU32 readOk;
if (!p_chunkInfo) {
return MMIOERR_BASE; // ?
@ -491,15 +489,15 @@ MxU16 MXIOINFO::Descend(MMCKINFO* p_chunkInfo, const MMCKINFO* p_parentInfo, MxU
}
}
else {
ofs = MAXLONG;
ofs = LONG_MAX;
if (p_parentInfo) {
ofs = p_parentInfo->cksize + p_parentInfo->dwDataOffset;
}
BOOL running = TRUE;
MxU32 running = TRUE;
readOk = FALSE;
MMCKINFO tmp;
ISLE_MMCKINFO tmp;
tmp.dwFlags = 0;
while (running) {
@ -533,7 +531,7 @@ MxU16 MXIOINFO::Descend(MMCKINFO* p_chunkInfo, const MMCKINFO* p_parentInfo, MxU
else if (p_chunkInfo->ckid == tmp.ckid) {
running = FALSE;
}
else if (Seek((tmp.cksize & 1) + tmp.cksize, SEEK_CUR) == -1) {
else if (Seek((tmp.cksize & 1) + tmp.cksize, SDL_IO_SEEK_CUR) == -1) {
result = MMIOERR_CANNOTSEEK;
running = FALSE;
}
@ -550,7 +548,7 @@ MxU16 MXIOINFO::Descend(MMCKINFO* p_chunkInfo, const MMCKINFO* p_parentInfo, MxU
}
// FUNCTION: BETA10 0x1015f08b
MxU16 MXIOINFO::Ascend(MMCKINFO* p_chunkInfo, MxU16 p_ascend)
MxU16 MXIOINFO::Ascend(ISLE_MMCKINFO* p_chunkInfo, MxU16 p_ascend)
{
MxLong ofs;
MxULong size;
@ -585,11 +583,11 @@ MxU16 MXIOINFO::Ascend(MMCKINFO* p_chunkInfo, MxU16 p_ascend)
m_info.dwFlags |= MMIO_DIRTY;
}
else {
m_info.lDiskOffset = _llseek(M_FILE, ofs, SEEK_SET);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, ofs, SDL_IO_SEEK_SET);
if (m_info.lDiskOffset == ofs) {
if (_lwrite(M_FILE, (char*) &size, 4) != 4) {
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
if (SDL_WriteIO(M_FILE, (char*) &size, 4) != 4) {
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
result = MMIOERR_CANNOTWRITE;
}
else {
@ -597,7 +595,7 @@ MxU16 MXIOINFO::Ascend(MMCKINFO* p_chunkInfo, MxU16 p_ascend)
}
}
else {
m_info.lDiskOffset = _llseek(M_FILE, 0, SEEK_CUR);
m_info.lDiskOffset = SDL_SeekIO(M_FILE, 0, SDL_IO_SEEK_CUR);
result = MMIOERR_CANNOTSEEK;
}
}
@ -606,7 +604,7 @@ MxU16 MXIOINFO::Ascend(MMCKINFO* p_chunkInfo, MxU16 p_ascend)
// Seek past the end of the chunk (plus optional pad byte if size is odd)
if (result == 0 &&
Seek((p_chunkInfo->cksize & 1) + p_chunkInfo->cksize + p_chunkInfo->dwDataOffset, SEEK_SET) == -1) {
Seek((p_chunkInfo->cksize & 1) + p_chunkInfo->cksize + p_chunkInfo->dwDataOffset, SDL_IO_SEEK_SET) == -1) {
result = MMIOERR_CANNOTSEEK;
}

View file

@ -24,7 +24,7 @@ To achieve our goal of platform independence, we need to replace any Windows-onl
| - | - | - | - |
| Window, Events | [SDL3](https://www.libsdl.org/) | WIP | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Awindow%5D%22&type=code) |
| Windows Registry (Configuration) | [libiniparser](https://github.com/ndevilla/iniparser) | ✅ | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Aconfig%5D%22&type=code) |
| Filesystem | [SDL3](https://www.libsdl.org/) | | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Afilesystem%5D%22&type=code) |
| Filesystem | [SDL3](https://www.libsdl.org/) | | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Afilesystem%5D%22&type=code) |
| Threads, Mutexes (Synchronization) | [SDL3](https://www.libsdl.org/) | ✅ | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Asynchronization%5D%22&type=code) |
| Keyboard/Mouse, DirectInput (Input) | [SDL3](https://www.libsdl.org/) | ✅ | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Ainput%5D%22&type=code) |
| Joystick/Gamepad, DirectInput (Input) | [SDL3](https://www.libsdl.org/) | ❌ | [Remarks](https://github.com/search?q=repo%3Aisledecomp%2Fisle-portable+%22%2F%2F+%5Blibrary%3Ainput%5D%22&type=code) |

View file

@ -53,3 +53,21 @@ m_Decals_Ctl5: "Allow original naming from beta"
m_Decals_Ctl6: "Allow original naming from beta"
m_Decals_Ctl7: "Allow original naming from beta"
p_scorehist: "Allow original naming from beta"
ISLE_MMIOINFO: "Re-defined Windows name"
_ISLE_MMIOINFO: "Re-defined Windows name"
dwFlags: "Re-defined Windows name"
cchBuffer: "Re-defined Windows name"
pchBuffer: "Re-defined Windows name"
pchNext: "Re-defined Windows name"
pchEndRead: "Re-defined Windows name"
pchEndWrite: "Re-defined Windows name"
lBufOffset: "Re-defined Windows name"
lDiskOffset: "Re-defined Windows name"
ISLE_MMCKINFO: "Re-defined Windows name"
_ISLE_MMCKINFO: "Re-defined Windows name"
ckid: "Re-defined Windows name"
cksize: "Re-defined Windows name"
fccType: "Re-defined Windows name"
dwDataOffset: "Re-defined Windows name"
fccType: "Re-defined Windows name"