Files
Nuake-custom/Nuake/src/Scene/Systems/WadConverter.cpp
2024-07-28 17:09:28 -04:00

561 lines
16 KiB
C++

#include "WadConverter.h"
#include "src/Core/Logger.h"
#include "src/Core/String.h"
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "src/Vendors/stb_image/stb_image_write.h"
#include <filesystem>
#include <src/Rendering/Textures/Material.h>
namespace Nuake
{
struct ConvertedTexture
{
std::string path;
bool fullbright;
};
std::string TargetDirectory = "";
std::string WadName = "";
std::vector<ConvertedTexture> ConvertedTextures;
unsigned char host_quakepal[768] =
{
// marked: colormap colors: cb = (colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
// 0x0*
0,0,0, 15,15,15, 31,31,31, 47,47,47, 63,63,63, 75,75,75, 91,91,91, 107,107,107,
123,123,123, 139,139,139, 155,155,155, 171,171,171, 187,187,187, 203,203,203, 219,219,219, 235,235,235,
// 0x1* 0 ^
15,11,7, 23,15,11, 31,23,11, 39,27,15, 47,35,19, 55,43,23, 63,47,23, 75,55,27,
83,59,27, 91,67,31, 99,75,31, 107,83,31, 115,87,31, 123,95,35, 131,103,35, 143,111,35,
// 0x2* 1 ^
11,11,15, 19,19,27, 27,27,39, 39,39,51, 47,47,63, 55,55,75, 63,63,87, 71,71,103,
79,79,115, 91,91,127, 99,99,139, 107,107,151, 115,115,163, 123,123,175, 131,131,187, 139,139,203,
// 0x3* 2 ^
0,0,0, 7,7,0, 11,11,0, 19,19,0, 27,27,0, 35,35,0, 43,43,7, 47,47,7,
55,55,7, 63,63,7, 71,71,7, 75,75,11, 83,83,11, 91,91,11, 99,99,11, 107,107,15,
// 0x4* 3 ^
7,0,0, 15,0,0, 23,0,0, 31,0,0, 39,0,0, 47,0,0, 55,0,0, 63,0,0,
71,0,0, 79,0,0, 87,0,0, 95,0,0, 103,0,0, 111,0,0, 119,0,0, 127,0,0,
// 0x5* 4 ^
19,19,0, 27,27,0, 35,35,0, 47,43,0, 55,47,0, 67,55,0, 75,59,7, 87,67,7,
95,71,7, 107,75,11, 119,83,15, 131,87,19, 139,91,19, 151,95,27, 163,99,31, 175,103,35,
// 0x6* 5 ^
35,19,7, 47,23,11, 59,31,15, 75,35,19, 87,43,23, 99,47,31, 115,55,35, 127,59,43,
143,67,51, 159,79,51, 175,99,47, 191,119,47, 207,143,43, 223,171,39, 239,203,31, 255,243,27,
// 0x7* 6 ^
11,7,0, 27,19,0, 43,35,15, 55,43,19, 71,51,27, 83,55,35, 99,63,43, 111,71,51,
127,83,63, 139,95,71, 155,107,83, 167,123,95, 183,135,107, 195,147,123, 211,163,139, 227,179,151,
// 0x8* 7 ^ v 8
171,139,163, 159,127,151, 147,115,135, 139,103,123, 127,91,111, 119,83,99, 107,75,87, 95,63,75,
87,55,67, 75,47,55, 67,39,47, 55,31,35, 43,23,27, 35,19,19, 23,11,11, 15,7,7,
// 0x9* 9 v
187,115,159, 175,107,143, 163,95,131, 151,87,119, 139,79,107, 127,75,95, 115,67,83, 107,59,75,
95,51,63, 83,43,55, 71,35,43, 59,31,35, 47,23,27, 35,19,19, 23,11,11, 15,7,7,
// 0xA* 10 v
219,195,187, 203,179,167, 191,163,155, 175,151,139, 163,135,123, 151,123,111, 135,111,95, 123,99,83,
107,87,71, 95,75,59, 83,63,51, 67,51,39, 55,43,31, 39,31,23, 27,19,15, 15,11,7,
// 0xB* 11 v
111,131,123, 103,123,111, 95,115,103, 87,107,95, 79,99,87, 71,91,79, 63,83,71, 55,75,63,
47,67,55, 43,59,47, 35,51,39, 31,43,31, 23,35,23, 15,27,19, 11,19,11, 7,11,7,
// 0xC* 12 v
255,243,27, 239,223,23, 219,203,19, 203,183,15, 187,167,15, 171,151,11, 155,131,7, 139,115,7,
123,99,7, 107,83,0, 91,71,0, 75,55,0, 59,43,0, 43,31,0, 27,15,0, 11,7,0,
// 0xD* 13 v
0,0,255, 11,11,239, 19,19,223, 27,27,207, 35,35,191, 43,43,175, 47,47,159, 47,47,143,
47,47,127, 47,47,111, 47,47,95, 43,43,79, 35,35,63, 27,27,47, 19,19,31, 11,11,15,
// 0xE*
43,0,0, 59,0,0, 75,7,0, 95,7,0, 111,15,0, 127,23,7, 147,31,7, 163,39,11,
183,51,15, 195,75,27, 207,99,43, 219,127,59, 227,151,79, 231,171,95, 239,191,119, 247,211,139,
// 0xF* 14 ^
167,123,59, 183,155,55, 199,195,55, 231,227,87, 127,191,255, 171,231,255, 215,255,255, 103,0,0,
139,0,0, 179,0,0, 215,0,0, 255,0,0, 255,243,147, 255,247,199, 255,255,255, 159,91,83
}; //
int WAD2_EntryType(int entry)
{
//ASSERT(entry >= 0 && entry < (int)wad_R_header.num_lumps);
if (wad_R_dir[entry].compression != 0)
return 0;
return wad_R_dir[entry].type;
}
uint32_t COL_ReadPalette(unsigned char pix)
{
unsigned char R = host_quakepal[pix * 3 + 0];
unsigned char G = host_quakepal[pix * 3 + 1];
unsigned char B = host_quakepal[pix * 3 + 2];
return MAKE_RGB(R, G, B);
}
bool WAD2_ReadData(int entry, int offset, int length, void *buffer)
{
raw_wad2_lump_t *L = &wad_R_dir[entry];
if (fseek(wad_R_fp, L->start + offset, SEEK_SET) != 0)
return false;
int res = fread(buffer, length, 1, wad_R_fp);
return (res == 1);
}
static const char * ExpandFileName(const char *lump_name, bool fullbright)
{
int max_len = strlen(lump_name) + 32;
char *result = (char *)calloc(max_len + 1, 1); (max_len);
// convert any special first character
if (lump_name[0] == '*')
{
strcpy(result, "star_");
}
else if (lump_name[0] == '+')
{
strcpy(result, "plus_");
}
else if (lump_name[0] == '-')
{
strcpy(result, "minu_");
}
else if (lump_name[0] == '/')
{
strcpy(result, "divd_");
}
else
{
result[0] = lump_name[0];
result[1] = 0;
}
strcat(result, lump_name + 1);
// sanitize filename (remove problematic characters)
bool warned = false;
for (char *p = result; *p; p++)
{
if (*p == ' ')
*p = '_';
if (*p != '_' && *p != '-' && !isalnum(*p))
{
if (!warned)
{
printf("WARNING: removing weird characters from name (\\%03o)\n",
(unsigned char)*p);
warned = true;
}
*p = '_';
}
}
//if (fullbright)
// strcat(result, "_fbr");
strcat(result, ".png");
return result;
}
bool MIP_ExtractRawBlock(int entry, const char *lump_name)
{
int total = wad_R_dir[entry].u_len;
// guess size
int width, height;
if (lump_name == "CONCHARS")
{
width = 128;
height = 128;
}
else if (lump_name == "TINYFONT")
{
width = 128;
height = 32;
}
else
{
for (width = 4096; width * width > total; width /= 2)
{
}
height = width;
}
printf(" Guessing size to be: %dx%d\n", width, height);
if (width < 8 || width > 2048 ||
height < 8 || height > 2048)
{
printf("FAILURE: weird size of picture: %dx%d\n\n", width, height);
return false;
}
unsigned char* pixels = new unsigned char[width * height];
if (!WAD2_ReadData(entry, 0, width * height, pixels))
{
printf("FAILURE: could not read %dx%d pixels from picture\n\n", width, height);
delete[] pixels;
return false;
}
stbi_write_png(ExpandFileName(lump_name, false), width, height, 3, pixels, sizeof(unsigned char) * 3);
delete[] pixels;
return true;
}
bool MIP_ExtractPicture(int entry, const char *lump_name)
{
pic_header_t pic;
if (!WAD2_ReadData(entry, 0, (int)sizeof(pic), &pic))
{
printf("FAILURE: could not read picture header!\n\n");
return false;
}
int width = pic.width;
int height = pic.height;
if (width < 1 || width > 2048 ||
height < 1 || height > 2048)
{
printf("FAILURE: weird size of picture: %dx%d\n\n", width, height);
return false;
}
char* pixels = new char[width * height];
if (!WAD2_ReadData(entry, (int)sizeof(pic), width * height, pixels))
{
printf("FAILURE: could not read %dx%d pixels from picture\n\n", width, height);
delete[] pixels;
return false;
}
// create the image for saving.
std::vector<uint32_t> textureData;
textureData.reserve(width * height);
for (int y = 0; y < height; y++)
for (int x = 0; x < width; x++)
{
unsigned char pix = pixels[y * width + x];
textureData[y * width + x] = COL_ReadPalette(pix);
}
stbi_write_png(ExpandFileName(lump_name, false), width, height, 3, textureData.data(), sizeof(uint32_t));
delete[] pixels;
return true;
}
bool MIP_ExtractMipTex(int entry, const char *lump_name)
{
// mip header
miptex_t mm_tex;
if (!WAD2_ReadData(entry, 0, (int)sizeof(mm_tex), &mm_tex))
{
printf("FAILURE: could not read miptex header!\n\n");
return false;
}
// (We ignore the internal name and offsets)
mm_tex.width = LE_U32(mm_tex.width);
mm_tex.height = LE_U32(mm_tex.height);
int width = mm_tex.width;
int height = mm_tex.height;
if (width < 8 || width > 4096 ||
height < 8 || height > 4096)
{
printf("FAILURE: weird size of image: %dx%d\n\n", width, height);
return false;
}
unsigned char *pixels = new unsigned char[width * height];
// NOTE: we assume that the pixels directly follow the miptex header
if (!WAD2_ReadData(entry, (int)sizeof(mm_tex), width * height, pixels))
{
printf("FAILURE: could not read %dx%d pixels from miptex\n\n", width, height);
delete[] pixels;
return false;
}
// create the image for saving.
// if the image contains fullbright pixels, the output filename
// will be given the '_fbr' prefix.
bool fullbright = false;
std::vector<uint32_t> textureData;
textureData.resize(width * height);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
unsigned char pix = pixels[y * width + x];
if (pix >= 256 - 32)
{
fullbright = true;
}
textureData[y * width + x] = COL_ReadPalette(pix);
}
}
const std::string lumpName = ExpandFileName(lump_name, fullbright);
const std::string finalFilePath = TargetDirectory + lumpName;
stbi_write_png((FileSystem::Root + finalFilePath).c_str(), width, height, 4, textureData.data(), width * 4);
delete[] pixels;
ConvertedTextures.push_back({ std::string(lumpName), fullbright });
return true;
}
void ExtractWad(const std::string& wadPath, const std::string& targetDirectory)
{
TargetDirectory = targetDirectory;
if (wadPath.size() == 0)
{
Logger::Log("Failed to extract wad. Path was empty", "wadExtractor");
return;
}
if (!String::EndsWith(wadPath, ".wad"))
{
Logger::Log("File must have .wad extension", "wadExtractor");
return;
}
ConvertedTextures = std::vector<ConvertedTexture>();
auto pathSplits = String::Split(std::string(wadPath.begin(), wadPath.end() - 4), '/');
pathSplits = String::Split(pathSplits[std::size(pathSplits) - 1], '\\');
WadName = pathSplits[std::size(pathSplits) - 1];
TargetDirectory = "/textures/" + WadName + "/";
if (!FileSystem::DirectoryExists("/textures/"))
{
FileSystem::MakeDirectory("/textures/");
}
if (!FileSystem::DirectoryExists(TargetDirectory))
{
FileSystem::MakeDirectory(TargetDirectory);
}
WadOpenRead(wadPath);
printf("\n");
printf("--------------------------------------------------\n");
int num_lumps = wad_R_header.num_lumps;
int skipped = 0;
int failures = 0;
for (int i = 0; i < num_lumps; i++)
{
int type = WAD2_EntryType(i);
const char *name = wad_R_dir[i].name;
// special handling for two odd-ball lumps (raw pixels)
if (name == "CONCHARS" ||
name == "TINYFONT")
{
printf("Unpacking %d/%d (BLOCK) : %s\n", i + 1, num_lumps, name);
MIP_ExtractRawBlock(i, name);
}
else if (type == TYP_QPIC)
{
printf("Unpacking %d/%d (PIC) : %s\n", i + 1, num_lumps, name);
if (!MIP_ExtractPicture(i, name))
failures++;
}
else if (type == TYP_MIPTEX)
{
printf("Unpacking %d/%d : %s\n", i + 1, num_lumps, name);
if (!MIP_ExtractMipTex(i, name))
failures++;
}
else
{
printf("SKIPPING NON-MIPTEX entry %d/%d : %s\n", i + 1, num_lumps, name);
skipped++;
continue;
}
}
printf("--------------------------------------------------\n");
printf("\n");
WAD2_CloseRead();
if (skipped > 0)
printf("Skipped %d non-miptex lumps\n", skipped);
printf("Extracted %d entries, with %d failures\n",
num_lumps - failures - skipped, failures);
CreateMaterials();
ConvertedTextures.clear();
}
void CreateMaterials()
{
const std::string materialFolderName = "/Materials";
const std::string& materialFolderPath = materialFolderName + "/" + WadName + "/";
if(!FileSystem::DirectoryExists(materialFolderPath))
{
if (!FileSystem::DirectoryExists(materialFolderName))
{
FileSystem::MakeDirectory(materialFolderName);
}
FileSystem::MakeDirectory(materialFolderPath);
}
for (auto& t : ConvertedTextures)
{
Ref<Material> material = CreateRef<Material>();
material->IsEmbedded = false;
if (t.fullbright)
{
material->SetUnlit(true);
material->data.u_Emissive = 2.0f;
}
material->SetAlbedo(TextureManager::Get()->GetTexture(FileSystem::RelativeToAbsolute(TargetDirectory + t.path)));
auto jsonData = material->Serialize();
const std::string materialFilePath = materialFolderPath + std::string(t.path.begin(), t.path.end() - 4) + ".material";
FileSystem::BeginWriteFile(materialFilePath);
FileSystem::WriteLine(jsonData.dump(4));
FileSystem::EndWriteFile();
}
}
void WadOpenRead(const std::string& filename)
{
wad_R_fp = fopen(filename.c_str(), "rb");
if (!wad_R_fp)
{
printf("WAD2_OpenRead: no such file: %s\n", filename);
return;
}
printf("Opened WAD2 file: %s\n", filename);
if (fread(&wad_R_header, sizeof(wad_R_header), 1, wad_R_fp) != 1)
{
printf("WAD2_OpenRead: failed reading header\n");
fclose(wad_R_fp);
return;
}
if (memcmp(wad_R_header.magic, WAD2_MAGIC, 4) != 0)
{
printf("WAD2_OpenRead: not a WAD2 file!\n");
fclose(wad_R_fp);
return;
}
wad_R_header.num_lumps = LE_U32(wad_R_header.num_lumps);
wad_R_header.dir_start = LE_U32(wad_R_header.dir_start);
if (wad_R_header.num_lumps >= 5000) // sanity check
{
printf("WAD2_OpenRead: bad header (%d entries?)\n", wad_R_header.num_lumps);
fclose(wad_R_fp);
return;
}
if (fseek(wad_R_fp, wad_R_header.dir_start, SEEK_SET) != 0)
{
printf("WAD2_OpenRead: cannot seek to directory (at 0x%08x)\n", wad_R_header.dir_start);
fclose(wad_R_fp);
return;
}
wad_R_dir = new raw_wad2_lump_t[wad_R_header.num_lumps + 1];
for (int i = 0; i < (int)wad_R_header.num_lumps; i++)
{
raw_wad2_lump_t *L = &wad_R_dir[i];
int res = fread(L, sizeof(raw_wad2_lump_t), 1, wad_R_fp);
if (res == EOF || res != 1 || ferror(wad_R_fp))
{
if (i == 0)
{
printf("WAD2_OpenRead: could not read any dir-entries!\n");
delete[] wad_R_dir;
wad_R_dir = NULL;
fclose(wad_R_fp);
return;
}
printf("WAD2_OpenRead: hit EOF reading dir-entry %d\n", i);
// truncate directory
wad_R_header.num_lumps = i;
break;
}
// make sure name is NUL terminated.
L->name[15] = 0;
L->start = LE_U32(L->start);
L->length = LE_U32(L->length);
L->u_len = LE_U32(L->u_len);
// DebugPrintf(" %4d: %08x %08x : %s\n", i, L->start, L->length, L->name);
}
}
void WAD2_CloseRead(void)
{
fclose(wad_R_fp);
printf("Closed WAD2 file\n");
delete[] wad_R_dir;
wad_R_dir = NULL;
}
}