metaforce/hecl/blender/BlenderConnection.cpp

1241 lines
37 KiB
C++

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <system_error>
#include <string>
#include <algorithm>
#include <hecl/hecl.hpp>
#include <hecl/Database.hpp>
#include "logvisor/logvisor.hpp"
#include "BlenderConnection.hpp"
#if _WIN32
#include <io.h>
#include <fcntl.h>
#endif
namespace std
{
template <> struct hash<std::pair<uint32_t,uint32_t>>
{
size_t operator()(const std::pair<uint32_t,uint32_t>& val) const NOEXCEPT
{
/* this will potentially truncate the second value if 32-bit size_t,
* however, its application here is intended to operate in 16-bit indices */
return val.first | (val.second << 16);
}
};
}
namespace hecl
{
logvisor::Module BlenderLog("hecl::BlenderConnection");
BlenderToken SharedBlenderToken;
#ifdef __APPLE__
#define DEFAULT_BLENDER_BIN "/Applications/Blender.app/Contents/MacOS/blender"
#else
#define DEFAULT_BLENDER_BIN "blender"
#endif
extern "C" uint8_t HECL_BLENDERSHELL[];
extern "C" size_t HECL_BLENDERSHELL_SZ;
extern "C" uint8_t HECL_ADDON[];
extern "C" size_t HECL_ADDON_SZ;
extern "C" uint8_t HECL_STARTUP[];
extern "C" size_t HECL_STARTUP_SZ;
static void InstallBlendershell(const SystemChar* path)
{
FILE* fp = hecl::Fopen(path, _S("w"));
if (!fp)
BlenderLog.report(logvisor::Fatal, _S("unable to open %s for writing"), path);
fwrite(HECL_BLENDERSHELL, 1, HECL_BLENDERSHELL_SZ, fp);
fclose(fp);
}
static void InstallAddon(const SystemChar* path)
{
FILE* fp = hecl::Fopen(path, _S("wb"));
if (!fp)
BlenderLog.report(logvisor::Fatal, _S("Unable to install blender addon at '%s'"), path);
fwrite(HECL_ADDON, 1, HECL_ADDON_SZ, fp);
fclose(fp);
}
static void InstallStartup(const char* path)
{
FILE* fp = fopen(path, "wb");
if (!fp)
BlenderLog.report(logvisor::Fatal, "Unable to place hecl_startup.blend at '%s'", path);
fwrite(HECL_STARTUP, 1, HECL_STARTUP_SZ, fp);
fclose(fp);
}
size_t BlenderConnection::_readLine(char* buf, size_t bufSz)
{
size_t readBytes = 0;
while (true)
{
if (readBytes >= bufSz)
{
BlenderLog.report(logvisor::Fatal, "Pipe buffer overrun");
*(buf-1) = '\0';
return bufSz - 1;
}
int ret;
while ((ret = read(m_readpipe[0], buf, 1)) < 0 && errno == EINTR) {}
if (ret < 0)
{
BlenderLog.report(logvisor::Fatal, strerror(errno));
return 0;
}
else if (ret == 1)
{
if (*buf == '\n')
{
*buf = '\0';
if (readBytes >= 4)
if (!memcmp(buf, "EXCEPTION", std::min(readBytes, size_t(9))))
BlenderLog.report(logvisor::Fatal, "Blender exception");
return readBytes;
}
++readBytes;
++buf;
}
else
{
*buf = '\0';
if (readBytes >= 4)
if (!memcmp(buf, "EXCEPTION", std::min(readBytes, size_t(9))))
BlenderLog.report(logvisor::Fatal, "Blender exception");
return readBytes;
}
}
}
size_t BlenderConnection::_writeLine(const char* buf)
{
int ret, nlerr;
ret = write(m_writepipe[1], buf, strlen(buf));
if (ret < 0)
goto err;
nlerr = write(m_writepipe[1], "\n", 1);
if (nlerr < 0)
goto err;
return (size_t)ret;
err:
BlenderLog.report(logvisor::Fatal, strerror(errno));
return 0;
}
size_t BlenderConnection::_readBuf(void* buf, size_t len)
{
int ret = read(m_readpipe[0], buf, len);
if (ret < 0)
goto err;
if (len >= 4)
if (!memcmp((char*)buf, "EXCEPTION", std::min(len, size_t(9))))
BlenderLog.report(logvisor::Fatal, "Blender exception");
return ret;
err:
BlenderLog.report(logvisor::Fatal, strerror(errno));
return 0;
}
size_t BlenderConnection::_writeBuf(const void* buf, size_t len)
{
int ret = write(m_writepipe[1], buf, len);
if (ret < 0)
goto err;
return ret;
err:
BlenderLog.report(logvisor::Fatal, strerror(errno));
return 0;
}
void BlenderConnection::_closePipe()
{
close(m_readpipe[0]);
close(m_writepipe[1]);
}
BlenderConnection::BlenderConnection(int verbosityLevel)
{
BlenderLog.report(logvisor::Info, "Establishing BlenderConnection...");
/* Put hecl_blendershell.py in temp dir */
#ifdef _WIN32
wchar_t* TMPDIR = _wgetenv(L"TEMP");
if (!TMPDIR)
TMPDIR = (wchar_t*)L"\\Temp";
m_startupBlend = hecl::WideToUTF8(TMPDIR);
#else
char* TMPDIR = getenv("TMPDIR");
if (!TMPDIR)
TMPDIR = (char*)"/tmp";
m_startupBlend = TMPDIR;
#endif
hecl::SystemString blenderShellPath(TMPDIR);
blenderShellPath += _S("/hecl_blendershell.py");
InstallBlendershell(blenderShellPath.c_str());
hecl::SystemString blenderAddonPath(TMPDIR);
blenderAddonPath += _S("/hecl_blenderaddon.zip");
InstallAddon(blenderAddonPath.c_str());
m_startupBlend += "/hecl_startup.blend";
InstallStartup(m_startupBlend.c_str());
int installAttempt = 0;
while (true)
{
/* Construct communication pipes */
#if _WIN32
_pipe(m_readpipe, 2048, _O_BINARY);
_pipe(m_writepipe, 2048, _O_BINARY);
HANDLE writehandle = HANDLE(_get_osfhandle(m_writepipe[0]));
SetHandleInformation(writehandle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
HANDLE readhandle = HANDLE(_get_osfhandle(m_readpipe[1]));
SetHandleInformation(readhandle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
#else
pipe(m_readpipe);
pipe(m_writepipe);
#endif
/* User-specified blender path */
#if _WIN32
wchar_t BLENDER_BIN_BUF[2048];
wchar_t* blenderBin = _wgetenv(L"BLENDER_BIN");
#else
char* blenderBin = getenv("BLENDER_BIN");
#endif
/* Child process of blender */
#if _WIN32
if (!blenderBin)
{
/* Environment not set; use default */
wchar_t progFiles[256];
if (!GetEnvironmentVariableW(L"ProgramFiles", progFiles, 256))
BlenderLog.report(logvisor::Fatal, L"unable to determine 'Program Files' path");
_snwprintf(BLENDER_BIN_BUF, 2048, L"%s\\Blender Foundation\\Blender\\blender.exe", progFiles);
blenderBin = BLENDER_BIN_BUF;
}
wchar_t cmdLine[2048];
_snwprintf(cmdLine, 2048, L" --background -P \"%s\" -- %" PRIuPTR " %" PRIuPTR " %d \"%s\"",
blenderShellPath.c_str(), uintptr_t(writehandle), uintptr_t(readhandle),
verbosityLevel, blenderAddonPath.c_str());
STARTUPINFO sinfo = {sizeof(STARTUPINFO)};
HANDLE nulHandle = NULL;
if (verbosityLevel == 0)
{
SECURITY_ATTRIBUTES sattrs = {sizeof(SECURITY_ATTRIBUTES), NULL, TRUE};
nulHandle = CreateFileW(L"nul", GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
&sattrs, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
sinfo.hStdInput = nulHandle;
sinfo.hStdError = nulHandle;
sinfo.hStdOutput = nulHandle;
sinfo.dwFlags = STARTF_USESTDHANDLES;
}
PROCESS_INFORMATION pinfo;
if (!CreateProcessW(blenderBin, cmdLine, NULL, NULL, TRUE, NORMAL_PRIORITY_CLASS, NULL, NULL, &sinfo, &pinfo))
{
LPWSTR messageBuffer = nullptr;
size_t size = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&messageBuffer, 0, NULL);
BlenderLog.report(logvisor::Fatal, L"unable to launch blender from %s: %s", blenderBin, messageBuffer);
}
close(m_writepipe[0]);
close(m_readpipe[1]);
if (nulHandle)
CloseHandle(nulHandle);
#else
pid_t pid = fork();
if (!pid)
{
close(m_writepipe[1]);
close(m_readpipe[0]);
if (verbosityLevel == 0)
{
int devNull = open("/dev/null", O_WRONLY);
dup2(devNull, STDOUT_FILENO);
dup2(devNull, STDERR_FILENO);
}
char errbuf[256];
char readfds[32];
snprintf(readfds, 32, "%d", m_writepipe[0]);
char writefds[32];
snprintf(writefds, 32, "%d", m_readpipe[1]);
char vLevel[32];
snprintf(vLevel, 32, "%d", verbosityLevel);
/* Try user-specified blender first */
if (blenderBin)
{
execlp(blenderBin, blenderBin,
"--background", "-P", blenderShellPath.c_str(),
"--", readfds, writefds, vLevel, blenderAddonPath.c_str(), NULL);
if (errno != ENOENT)
{
snprintf(errbuf, 256, "NOLAUNCH %s\n", strerror(errno));
write(m_writepipe[1], errbuf, strlen(errbuf));
exit(1);
}
}
/* Otherwise default blender */
execlp(DEFAULT_BLENDER_BIN, DEFAULT_BLENDER_BIN,
"--background", "-P", blenderShellPath.c_str(),
"--", readfds, writefds, vLevel, blenderAddonPath.c_str(), NULL);
if (errno != ENOENT)
{
snprintf(errbuf, 256, "NOLAUNCH %s\n", strerror(errno));
write(m_writepipe[1], errbuf, strlen(errbuf));
exit(1);
}
/* Unable to find blender */
write(m_writepipe[1], "NOBLENDER\n", 10);
exit(1);
}
close(m_writepipe[0]);
close(m_readpipe[1]);
m_blenderProc = pid;
#endif
/* Handle first response */
char lineBuf[256];
_readLine(lineBuf, sizeof(lineBuf));
if (!strcmp(lineBuf, "NOLAUNCH"))
{
_closePipe();
BlenderLog.report(logvisor::Fatal, "Unable to launch blender");
}
else if (!strcmp(lineBuf, "NOBLENDER"))
{
_closePipe();
if (blenderBin)
BlenderLog.report(logvisor::Fatal, _S("Unable to find blender at '%s' or '%s'"),
blenderBin, DEFAULT_BLENDER_BIN);
else
BlenderLog.report(logvisor::Fatal, _S("Unable to find blender at '%s'"),
DEFAULT_BLENDER_BIN);
}
else if (!strcmp(lineBuf, "NOADDON"))
{
_closePipe();
InstallAddon(blenderAddonPath.c_str());
++installAttempt;
if (installAttempt >= 2)
BlenderLog.report(logvisor::Fatal, _S("unable to install blender addon using '%s'"), blenderAddonPath.c_str());
continue;
}
else if (!strcmp(lineBuf, "ADDONINSTALLED"))
{
_closePipe();
blenderAddonPath = _S("SKIPINSTALL");
continue;
}
else if (strcmp(lineBuf, "READY"))
{
_closePipe();
BlenderLog.report(logvisor::Fatal, "read '%s' from blender; expected 'READY'", lineBuf);
}
_writeLine("ACK");
_readLine(lineBuf, 7);
if (!strcmp(lineBuf, "SLERP0"))
m_hasSlerp = false;
else if (!strcmp(lineBuf, "SLERP1"))
m_hasSlerp = true;
else
{
_closePipe();
BlenderLog.report(logvisor::Fatal, "read '%s' from blender; expected 'SLERP(0|1)'", lineBuf);
}
break;
}
}
BlenderConnection::~BlenderConnection()
{
_closePipe();
}
std::streambuf::int_type
BlenderConnection::PyOutStream::StreamBuf::overflow(int_type ch)
{
if (!m_parent.m_parent || !m_parent.m_parent->m_lock)
BlenderLog.report(logvisor::Fatal, "lock not held for PyOutStream writing");
if (ch != traits_type::eof() && ch != '\n' && ch != '\0')
{
m_lineBuf += char_type(ch);
return ch;
}
//printf("FLUSHING %s\n", m_lineBuf.c_str());
m_parent.m_parent->_writeLine(m_lineBuf.c_str());
char readBuf[16];
m_parent.m_parent->_readLine(readBuf, 16);
if (strcmp(readBuf, "OK"))
{
if (m_deleteOnError)
m_parent.m_parent->deleteBlend();
BlenderLog.report(logvisor::Fatal, "error sending '%s' to blender", m_lineBuf.c_str());
}
m_lineBuf.clear();
return ch;
}
static const char* BlendTypeStrs[] =
{
"NONE",
"MESH",
"ACTOR",
"AREA",
"WORLD",
"MAPAREA",
"MAPUNIVERSE",
"FRAME",
nullptr
};
bool BlenderConnection::createBlend(const ProjectPath& path, BlendType type)
{
if (m_lock)
{
BlenderLog.report(logvisor::Fatal,
"BlenderConnection::createBlend() musn't be called with stream active");
return false;
}
_writeLine(("CREATE \"" + path.getAbsolutePathUTF8() + "\" " + BlendTypeStrs[int(type)] + " \"" + m_startupBlend + "\"").c_str());
char lineBuf[256];
_readLine(lineBuf, sizeof(lineBuf));
if (!strcmp(lineBuf, "FINISHED"))
{
m_loadedBlend = path;
m_loadedType = type;
return true;
}
return false;
}
bool BlenderConnection::openBlend(const ProjectPath& path, bool force)
{
if (m_lock)
{
BlenderLog.report(logvisor::Fatal,
"BlenderConnection::openBlend() musn't be called with stream active");
return false;
}
if (!force && path == m_loadedBlend)
return true;
_writeLine(("OPEN \"" + path.getAbsolutePathUTF8() + "\"").c_str());
char lineBuf[256];
_readLine(lineBuf, sizeof(lineBuf));
if (!strcmp(lineBuf, "FINISHED"))
{
m_loadedBlend = path;
_writeLine("GETTYPE");
_readLine(lineBuf, sizeof(lineBuf));
m_loadedType = BlendType::None;
unsigned idx = 0;
while (BlendTypeStrs[idx])
{
if (!strcmp(BlendTypeStrs[idx], lineBuf))
{
m_loadedType = BlendType(idx);
break;
}
++idx;
}
m_loadedRigged = false;
if (m_loadedType == BlendType::Mesh)
{
_writeLine("GETMESHRIGGED");
_readLine(lineBuf, sizeof(lineBuf));
if (!strcmp("TRUE", lineBuf))
m_loadedRigged = true;
}
return true;
}
return false;
}
bool BlenderConnection::saveBlend()
{
if (m_lock)
{
BlenderLog.report(logvisor::Fatal,
"BlenderConnection::saveBlend() musn't be called with stream active");
return false;
}
_writeLine("SAVE");
char lineBuf[256];
_readLine(lineBuf, sizeof(lineBuf));
if (!strcmp(lineBuf, "FINISHED"))
return true;
return false;
}
void BlenderConnection::deleteBlend()
{
if (m_loadedBlend)
{
hecl::Unlink(m_loadedBlend.getAbsolutePath().c_str());
BlenderLog.report(logvisor::Info, _S("Deleted '%s'"), m_loadedBlend.getAbsolutePath().c_str());
m_loadedBlend = ProjectPath();
}
}
void BlenderConnection::PyOutStream::linkBlend(const char* target,
const char* objName,
bool link)
{
format("if '%s' not in bpy.data.scenes:\n"
" with bpy.data.libraries.load('''%s''', link=%s, relative=True) as (data_from, data_to):\n"
" data_to.scenes = data_from.scenes\n"
" obj_scene = None\n"
" for scene in data_to.scenes:\n"
" if scene.name == '%s':\n"
" obj_scene = scene\n"
" break\n"
" if not obj_scene:\n"
" raise RuntimeError('''unable to find %s in %s. try deleting it and restart the extract.''')\n"
" obj = None\n"
" for object in obj_scene.objects:\n"
" if object.name == obj_scene.name:\n"
" obj = object\n"
"else:\n"
" obj = bpy.data.objects['%s']\n"
"\n",
objName, target, link?"True":"False",
objName, objName, target, objName);
}
void BlenderConnection::PyOutStream::linkBackground(const char* target,
const char* sceneName)
{
format("if '%s' not in bpy.data.scenes:\n"
" with bpy.data.libraries.load('''%s''', link=True, relative=True) as (data_from, data_to):\n"
" data_to.scenes = data_from.scenes\n"
" obj_scene = None\n"
" for scene in data_to.scenes:\n"
" if scene.name == '%s':\n"
" obj_scene = scene\n"
" break\n"
" if not obj_scene:\n"
" raise RuntimeError('''unable to find %s in %s. try deleting it and restart the extract.''')\n"
"\n"
"bpy.context.scene.background_set = bpy.data.scenes['%s']\n",
sceneName, target,
sceneName, sceneName, target, sceneName);
}
BlenderConnection::DataStream::Mesh::Mesh
(BlenderConnection& conn, HMDLTopology topologyIn, int skinSlotCount, SurfProgFunc& surfProg)
: topology(topologyIn), aabbMin(conn), aabbMax(conn)
{
uint32_t matSetCount;
conn._readBuf(&matSetCount, 4);
materialSets.reserve(matSetCount);
for (uint32_t i=0 ; i<matSetCount ; ++i)
{
materialSets.emplace_back();
std::vector<Material>& materials = materialSets.back();
uint32_t matCount;
conn._readBuf(&matCount, 4);
materials.reserve(matCount);
for (uint32_t i=0 ; i<matCount ; ++i)
materials.emplace_back(conn);
}
uint32_t count;
conn._readBuf(&count, 4);
pos.reserve(count);
for (uint32_t i=0 ; i<count ; ++i)
pos.emplace_back(conn);
conn._readBuf(&count, 4);
norm.reserve(count);
for (uint32_t i=0 ; i<count ; ++i)
norm.emplace_back(conn);
conn._readBuf(&colorLayerCount, 4);
if (colorLayerCount > 4)
LogModule.report(logvisor::Fatal, "mesh has %u color-layers; max 4", colorLayerCount);
conn._readBuf(&count, 4);
color.reserve(count);
for (uint32_t i=0 ; i<count ; ++i)
color.emplace_back(conn);
conn._readBuf(&uvLayerCount, 4);
if (uvLayerCount > 8)
LogModule.report(logvisor::Fatal, "mesh has %u UV-layers; max 8", uvLayerCount);
conn._readBuf(&count, 4);
uv.reserve(count);
for (uint32_t i=0 ; i<count ; ++i)
uv.emplace_back(conn);
conn._readBuf(&count, 4);
boneNames.reserve(count);
for (uint32_t i=0 ; i<count ; ++i)
{
char name[128];
conn._readLine(name, 128);
boneNames.emplace_back(name);
}
conn._readBuf(&count, 4);
skins.reserve(count);
for (uint32_t i=0 ; i<count ; ++i)
{
skins.emplace_back();
std::vector<SkinBind>& binds = skins.back();
uint32_t bindCount;
conn._readBuf(&bindCount, 4);
binds.reserve(bindCount);
for (uint32_t j=0 ; j<bindCount ; ++j)
binds.emplace_back(conn);
}
/* Assume 16 islands per material for reserve */
if (materialSets.size())
surfaces.reserve(materialSets.front().size() * 16);
uint8_t isSurf;
conn._readBuf(&isSurf, 1);
int prog = 0;
while (isSurf)
{
surfaces.emplace_back(conn, *this, skinSlotCount);
surfProg(++prog);
conn._readBuf(&isSurf, 1);
}
/* Connect skinned verts to bank slots */
if (boneNames.size())
{
for (Surface& surf : surfaces)
{
SkinBanks::Bank& bank = skinBanks.banks[surf.skinBankIdx];
for (Surface::Vert& vert : surf.verts)
{
for (uint32_t i=0 ; i<bank.m_skinIdxs.size() ; ++i)
{
if (bank.m_skinIdxs[i] == vert.iSkin)
{
vert.iBankSkin = i;
break;
}
}
}
}
}
}
BlenderConnection::DataStream::Mesh
BlenderConnection::DataStream::Mesh::getContiguousSkinningVersion() const
{
Mesh newMesh = *this;
newMesh.pos.clear();
newMesh.norm.clear();
newMesh.contiguousSkinVertCounts.clear();
newMesh.contiguousSkinVertCounts.reserve(skins.size());
for (size_t i=0 ; i<skins.size() ; ++i)
{
std::unordered_map<std::pair<uint32_t,uint32_t>, uint32_t> contigMap;
size_t vertCount = 0;
for (Surface& surf : newMesh.surfaces)
{
for (Surface::Vert& vert : surf.verts)
{
if (vert.iSkin == i)
{
auto key = std::make_pair(vert.iPos, vert.iNorm);
auto search = contigMap.find(key);
if (search != contigMap.end())
{
vert.iPos = search->second;
vert.iNorm = search->second;
}
else
{
uint32_t newIdx = newMesh.pos.size();
contigMap[key] = newIdx;
newMesh.pos.push_back(pos.at(vert.iPos));
newMesh.norm.push_back(norm.at(vert.iNorm));
vert.iPos = newIdx;
vert.iNorm = newIdx;
++vertCount;
}
}
}
}
newMesh.contiguousSkinVertCounts.push_back(vertCount);
}
return newMesh;
}
BlenderConnection::DataStream::Mesh::Material::Material
(BlenderConnection& conn)
{
uint32_t bufSz;
conn._readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
conn._readBuf(&name[0], bufSz);
conn._readBuf(&bufSz, 4);
source.assign(bufSz, ' ');
conn._readBuf(&source[0], bufSz);
uint32_t texCount;
conn._readBuf(&texCount, 4);
texs.reserve(texCount);
for (uint32_t i=0 ; i<texCount ; ++i)
{
conn._readBuf(&bufSz, 4);
std::string readStr(bufSz, ' ');
conn._readBuf(&readStr[0], bufSz);
SystemStringView absolute(readStr);
SystemString relative =
conn.m_loadedBlend.getProject().getProjectRootPath().getProjectRelativeFromAbsolute(absolute);
texs.emplace_back(conn.m_loadedBlend.getProject().getProjectWorkingPath(), relative);
}
uint32_t iPropCount;
conn._readBuf(&iPropCount, 4);
iprops.reserve(iPropCount);
for (uint32_t i=0 ; i<iPropCount ; ++i)
{
conn._readBuf(&bufSz, 4);
std::string readStr(bufSz, ' ');
conn._readBuf(&readStr[0], bufSz);
int32_t val;
conn._readBuf(&val, 4);
iprops[readStr] = val;
}
}
BlenderConnection::DataStream::Mesh::Surface::Surface
(BlenderConnection& conn, Mesh& parent, int skinSlotCount)
: centroid(conn), materialIdx(conn), aabbMin(conn), aabbMax(conn),
reflectionNormal(conn)
{
uint32_t countEstimate;
conn._readBuf(&countEstimate, 4);
verts.reserve(countEstimate);
uint8_t isVert;
conn._readBuf(&isVert, 1);
while (isVert)
{
verts.emplace_back(conn, parent);
conn._readBuf(&isVert, 1);
}
if (parent.boneNames.size())
skinBankIdx = parent.skinBanks.addSurface(parent, *this, skinSlotCount);
}
BlenderConnection::DataStream::Mesh::Surface::Vert::Vert
(BlenderConnection& conn, const Mesh& parent)
{
conn._readBuf(&iPos, 4);
conn._readBuf(&iNorm, 4);
for (uint32_t i=0 ; i<parent.colorLayerCount ; ++i)
conn._readBuf(&iColor[i], 4);
for (uint32_t i=0 ; i<parent.uvLayerCount ; ++i)
conn._readBuf(&iUv[i], 4);
conn._readBuf(&iSkin, 4);
}
static bool VertInBank(const std::vector<uint32_t>& bank, uint32_t sIdx)
{
for (uint32_t idx : bank)
if (sIdx == idx)
return true;
return false;
}
uint32_t BlenderConnection::DataStream::Mesh::SkinBanks::addSurface
(const Mesh& mesh, const Surface& surf, int skinSlotCount)
{
if (banks.empty())
addSkinBank(skinSlotCount);
std::vector<uint32_t> toAdd;
if (skinSlotCount > 0)
toAdd.reserve(skinSlotCount);
std::vector<Bank>::iterator bankIt = banks.begin();
for (;;)
{
bool done = true;
for (; bankIt != banks.end() ; ++bankIt)
{
Bank& bank = *bankIt;
done = true;
for (const Surface::Vert& v : surf.verts)
{
if (!VertInBank(bank.m_skinIdxs, v.iSkin) && !VertInBank(toAdd, v.iSkin))
{
toAdd.push_back(v.iSkin);
if (skinSlotCount > 0 && bank.m_skinIdxs.size() + toAdd.size() > skinSlotCount)
{
toAdd.clear();
done = false;
break;
}
}
}
if (toAdd.size())
{
bank.addSkins(mesh, toAdd);
toAdd.clear();
}
if (done)
return uint32_t(bankIt - banks.begin());
}
if (!done)
{
bankIt = addSkinBank(skinSlotCount);
continue;
}
break;
}
return uint32_t(-1);
}
BlenderConnection::DataStream::Actor::Actor(BlenderConnection& conn)
{
uint32_t armCount;
conn._readBuf(&armCount, 4);
armatures.reserve(armCount);
for (uint32_t i=0 ; i<armCount ; ++i)
armatures.emplace_back(conn);
uint32_t subtypeCount;
conn._readBuf(&subtypeCount, 4);
subtypes.reserve(subtypeCount);
for (uint32_t i=0 ; i<subtypeCount ; ++i)
subtypes.emplace_back(conn);
uint32_t actionCount;
conn._readBuf(&actionCount, 4);
actions.reserve(actionCount);
for (uint32_t i=0 ; i<actionCount ; ++i)
actions.emplace_back(conn);
}
BlenderConnection::DataStream::Actor::Armature::Armature(BlenderConnection& conn)
{
uint32_t bufSz;
conn._readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
conn._readBuf(&name[0], bufSz);
uint32_t boneCount;
conn._readBuf(&boneCount, 4);
bones.reserve(boneCount);
for (uint32_t i=0 ; i<boneCount ; ++i)
bones.emplace_back(conn);
}
BlenderConnection::DataStream::Actor::Armature::Bone::Bone(BlenderConnection& conn)
{
uint32_t bufSz;
conn._readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
conn._readBuf(&name[0], bufSz);
origin.read(conn);
conn._readBuf(&parent, 4);
uint32_t childCount;
conn._readBuf(&childCount, 4);
children.reserve(childCount);
for (uint32_t i=0 ; i<childCount ; ++i)
{
children.emplace_back(0);
conn._readBuf(&children.back(), 4);
}
}
BlenderConnection::DataStream::Actor::Subtype::Subtype(BlenderConnection& conn)
{
uint32_t bufSz;
conn._readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
conn._readBuf(&name[0], bufSz);
std::string meshPath;
conn._readBuf(&bufSz, 4);
if (bufSz)
{
meshPath.assign(bufSz, ' ');
conn._readBuf(&meshPath[0], bufSz);
SystemStringView meshPathAbs(meshPath);
SystemString meshPathRel =
conn.m_loadedBlend.getProject().getProjectRootPath().getProjectRelativeFromAbsolute(meshPathAbs);
mesh.assign(conn.m_loadedBlend.getProject().getProjectWorkingPath(), meshPathRel);
}
conn._readBuf(&armature, 4);
uint32_t overlayCount;
conn._readBuf(&overlayCount, 4);
overlayMeshes.reserve(overlayCount);
for (uint32_t i=0 ; i<overlayCount ; ++i)
{
std::string overlayName;
conn._readBuf(&bufSz, 4);
overlayName.assign(bufSz, ' ');
conn._readBuf(&overlayName[0], bufSz);
std::string meshPath;
conn._readBuf(&bufSz, 4);
if (bufSz)
{
meshPath.assign(bufSz, ' ');
conn._readBuf(&meshPath[0], bufSz);
SystemStringView meshPathAbs(meshPath);
SystemString meshPathRel =
conn.m_loadedBlend.getProject().getProjectRootPath().getProjectRelativeFromAbsolute(meshPathAbs);
overlayMeshes.emplace_back(std::move(overlayName),
ProjectPath(conn.m_loadedBlend.getProject().getProjectWorkingPath(), meshPathRel));
}
}
}
BlenderConnection::DataStream::Actor::Action::Action(BlenderConnection& conn)
{
uint32_t bufSz;
conn._readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
conn._readBuf(&name[0], bufSz);
conn._readBuf(&interval, 4);
conn._readBuf(&additive, 1);
uint32_t frameCount;
conn._readBuf(&frameCount, 4);
frames.reserve(frameCount);
for (uint32_t i=0 ; i<frameCount ; ++i)
{
frames.emplace_back();
conn._readBuf(&frames.back(), 4);
}
uint32_t chanCount;
conn._readBuf(&chanCount, 4);
channels.reserve(chanCount);
for (uint32_t i=0 ; i<chanCount ; ++i)
channels.emplace_back(conn);
uint32_t aabbCount;
conn._readBuf(&aabbCount, 4);
subtypeAABBs.reserve(aabbCount);
for (uint32_t i=0 ; i<aabbCount ; ++i)
{
subtypeAABBs.emplace_back();
subtypeAABBs.back().first.read(conn);
subtypeAABBs.back().second.read(conn);
}
}
BlenderConnection::DataStream::Actor::Action::Channel::Channel(BlenderConnection& conn)
{
uint32_t bufSz;
conn._readBuf(&bufSz, 4);
boneName.assign(bufSz, ' ');
conn._readBuf(&boneName[0], bufSz);
conn._readBuf(&attrMask, 4);
uint32_t keyCount;
conn._readBuf(&keyCount, 4);
keys.reserve(keyCount);
for (uint32_t i=0 ; i<keyCount ; ++i)
keys.emplace_back(conn, attrMask);
}
BlenderConnection::DataStream::Actor::Action::Channel::Key::Key(BlenderConnection& conn, uint32_t attrMask)
{
if (attrMask & 1)
rotation.read(conn);
if (attrMask & 2)
position.read(conn);
if (attrMask & 4)
scale.read(conn);
}
BlenderConnection::DataStream::Mesh
BlenderConnection::DataStream::compileMesh(HMDLTopology topology,
int skinSlotCount,
Mesh::SurfProgFunc surfProg)
{
if (m_parent->m_loadedType != BlendType::Mesh)
BlenderLog.report(logvisor::Fatal, _S("%s is not a MESH blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
char req[128];
snprintf(req, 128, "MESHCOMPILE %s %d",
MeshOutputModeString(topology), skinSlotCount);
m_parent->_writeLine(req);
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to cook mesh: %s", readBuf);
return Mesh(*m_parent, topology, skinSlotCount, surfProg);
}
BlenderConnection::DataStream::Mesh
BlenderConnection::DataStream::compileMesh(const std::string& name,
HMDLTopology topology,
int skinSlotCount,
Mesh::SurfProgFunc surfProg)
{
if (m_parent->m_loadedType != BlendType::Area)
BlenderLog.report(logvisor::Fatal, _S("%s is not an AREA blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
char req[128];
snprintf(req, 128, "MESHCOMPILENAME %s %s %d", name.c_str(),
MeshOutputModeString(topology), skinSlotCount);
m_parent->_writeLine(req);
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to cook mesh '%s': %s", name.c_str(), readBuf);
return Mesh(*m_parent, topology, skinSlotCount, surfProg);
}
BlenderConnection::DataStream::Mesh
BlenderConnection::DataStream::compileAllMeshes(HMDLTopology topology,
int skinSlotCount,
float maxOctantLength,
Mesh::SurfProgFunc surfProg)
{
if (m_parent->m_loadedType != BlendType::Area)
BlenderLog.report(logvisor::Fatal, _S("%s is not an AREA blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
char req[128];
snprintf(req, 128, "MESHCOMPILEALL %s %d %f",
MeshOutputModeString(topology),
skinSlotCount, maxOctantLength);
m_parent->_writeLine(req);
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to cook all meshes: %s", readBuf);
return Mesh(*m_parent, topology, skinSlotCount, surfProg);
}
BlenderConnection::DataStream::Actor BlenderConnection::DataStream::compileActor()
{
if (m_parent->m_loadedType != BlendType::Actor)
BlenderLog.report(logvisor::Fatal, _S("%s is not an ACTOR blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
m_parent->_writeLine("ACTORCOMPILE");
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to compile actor: %s", readBuf);
return Actor(*m_parent);
}
std::vector<std::string> BlenderConnection::DataStream::getArmatureNames()
{
if (m_parent->m_loadedType != BlendType::Actor)
BlenderLog.report(logvisor::Fatal, _S("%s is not an ACTOR blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
m_parent->_writeLine("GETARMATURENAMES");
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to get armatures of actor: %s", readBuf);
std::vector<std::string> ret;
uint32_t armCount;
m_parent->_readBuf(&armCount, 4);
ret.reserve(armCount);
for (uint32_t i=0 ; i<armCount ; ++i)
{
ret.emplace_back();
std::string& name = ret.back();
uint32_t bufSz;
m_parent->_readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
m_parent->_readBuf(&name[0], bufSz);
}
return ret;
}
std::vector<std::string> BlenderConnection::DataStream::getSubtypeNames()
{
if (m_parent->m_loadedType != BlendType::Actor)
BlenderLog.report(logvisor::Fatal, _S("%s is not an ACTOR blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
m_parent->_writeLine("GETSUBTYPENAMES");
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to get subtypes of actor: %s", readBuf);
std::vector<std::string> ret;
uint32_t subCount;
m_parent->_readBuf(&subCount, 4);
ret.reserve(subCount);
for (uint32_t i=0 ; i<subCount ; ++i)
{
ret.emplace_back();
std::string& name = ret.back();
uint32_t bufSz;
m_parent->_readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
m_parent->_readBuf(&name[0], bufSz);
}
return ret;
}
std::vector<std::string> BlenderConnection::DataStream::getActionNames()
{
if (m_parent->m_loadedType != BlendType::Actor)
BlenderLog.report(logvisor::Fatal, _S("%s is not an ACTOR blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
m_parent->_writeLine("GETACTIONNAMES");
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to get actions of actor: %s", readBuf);
std::vector<std::string> ret;
uint32_t actCount;
m_parent->_readBuf(&actCount, 4);
ret.reserve(actCount);
for (uint32_t i=0 ; i<actCount ; ++i)
{
ret.emplace_back();
std::string& name = ret.back();
uint32_t bufSz;
m_parent->_readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
m_parent->_readBuf(&name[0], bufSz);
}
return ret;
}
std::unordered_map<std::string, BlenderConnection::DataStream::Matrix3f>
BlenderConnection::DataStream::getBoneMatrices(const std::string& name)
{
if (name.empty())
return {};
if (m_parent->m_loadedType != BlendType::Actor)
BlenderLog.report(logvisor::Fatal, _S("%s is not an ACTOR blend"),
m_parent->m_loadedBlend.getAbsolutePath().c_str());
char req[128];
snprintf(req, 128, "GETBONEMATRICES %s", name.c_str());
m_parent->_writeLine(req);
char readBuf[256];
m_parent->_readLine(readBuf, 256);
if (strcmp(readBuf, "OK"))
BlenderLog.report(logvisor::Fatal, "unable to get matrices of armature: %s", readBuf);
std::unordered_map<std::string, Matrix3f> ret;
uint32_t boneCount;
m_parent->_readBuf(&boneCount, 4);
ret.reserve(boneCount);
for (uint32_t i=0 ; i<boneCount ; ++i)
{
std::string name;
uint32_t bufSz;
m_parent->_readBuf(&bufSz, 4);
name.assign(bufSz, ' ');
m_parent->_readBuf(&name[0], bufSz);
Matrix3f matOut;
for (int i=0 ; i<3 ; ++i)
{
for (int j=0 ; j<3 ; ++j)
{
float val;
m_parent->_readBuf(&val, 4);
matOut[i].vec[j] = val;
}
reinterpret_cast<atVec4f&>(matOut[i]).vec[3] = 0.f;
}
ret.emplace(std::make_pair(std::move(name), std::move(matOut)));
}
return ret;
}
void BlenderConnection::quitBlender()
{
_writeLine("QUIT");
char lineBuf[256];
_readLine(lineBuf, sizeof(lineBuf));
}
BlenderConnection& BlenderConnection::SharedConnection()
{
return SharedBlenderToken.getBlenderConnection();
}
void BlenderConnection::Shutdown()
{
SharedBlenderToken.shutdown();
}
}