Rename and move loaders, expose parsers
Former-commit-id: 932ae2aab020f956d3fdb91107f6842ff292aa08
This commit is contained in:
Lynix
521
src/Nazara/Utility/Formats/MD5AnimParser.cpp
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521
src/Nazara/Utility/Formats/MD5AnimParser.cpp
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/Formats/MD5AnimParser.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Math/Algorithm.hpp>
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#include <Nazara/Utility/Config.hpp>
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#include <Nazara/Utility/SkeletalMesh.hpp>
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#include <Nazara/Utility/StaticMesh.hpp>
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#include <cstdio>
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#include <cstring>
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#include <limits>
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#include <Nazara/Utility/Debug.hpp>
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NzMD5AnimParser::NzMD5AnimParser(NzInputStream& stream) :
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m_stream(stream),
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m_keepLastLine(false),
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m_frameIndex(0),
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m_frameRate(0),
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m_lineCount(0),
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m_streamFlags(stream.GetStreamOptions())
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{
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if ((m_streamFlags & nzStreamOption_Text) == 0)
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m_stream.SetStreamOptions(m_streamFlags | nzStreamOption_Text);
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}
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NzMD5AnimParser::~NzMD5AnimParser()
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{
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if ((m_streamFlags & nzStreamOption_Text) == 0)
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m_stream.SetStreamOptions(m_streamFlags);
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}
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nzTernary NzMD5AnimParser::Check()
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{
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if (Advance(false))
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{
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unsigned int version;
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if (std::sscanf(&m_currentLine[0], " MD5Version %u", &version) == 1)
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{
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if (version == 10)
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return nzTernary_True;
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}
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}
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return nzTernary_False;
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}
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unsigned int NzMD5AnimParser::GetAnimatedComponentCount() const
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{
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return m_animatedComponents.size();
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}
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const NzMD5AnimParser::Frame* NzMD5AnimParser::GetFrames() const
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{
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return m_frames.data();
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}
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unsigned int NzMD5AnimParser::GetFrameCount() const
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{
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return m_frames.size();
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}
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unsigned int NzMD5AnimParser::GetFrameRate() const
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{
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return m_frameRate;
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}
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const NzMD5AnimParser::Joint* NzMD5AnimParser::GetJoints() const
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{
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return m_joints.data();
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}
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unsigned int NzMD5AnimParser::GetJointCount() const
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{
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return m_joints.size();
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}
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bool NzMD5AnimParser::Parse()
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{
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while (Advance(false))
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{
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switch (m_currentLine[0])
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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case 'M': // MD5Version
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if (m_currentLine.GetWord(0) != "MD5Version")
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UnrecognizedLine();
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break;
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#endif
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case 'b': // baseframe/bounds
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if (m_currentLine.StartsWith("baseframe {"))
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{
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if (!ParseBaseframe())
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{
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Error("Failed to parse baseframe");
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return false;
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}
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}
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else if (m_currentLine.StartsWith("bounds {"))
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{
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if (!ParseBounds())
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{
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Error("Failed to parse bounds");
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return false;
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}
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}
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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else
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UnrecognizedLine();
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#endif
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break;
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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case 'c': // commandline
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if (m_currentLine.GetWord(0) != "commandline")
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UnrecognizedLine();
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break;
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#endif
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case 'f':
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{
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unsigned int index;
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if (std::sscanf(&m_currentLine[0], "frame %u {", &index) == 1)
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{
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if (m_frameIndex != index)
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{
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Error("Unexpected frame index (expected " + NzString::Number(m_frameIndex) + ", got " + NzString::Number(index) + ')');
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return false;
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}
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if (!ParseFrame())
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{
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Error("Failed to parse frame");
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return false;
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}
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m_frameIndex++;
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}
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else if (std::sscanf(&m_currentLine[0], "frameRate %u", &m_frameRate) != 1)
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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UnrecognizedLine();
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#endif
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}
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break;
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}
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case 'h': // hierarchy
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if (m_currentLine.StartsWith("hierarchy {"))
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{
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if (!ParseHierarchy())
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{
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Error("Failed to parse hierarchy");
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return false;
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}
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}
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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else
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UnrecognizedLine();
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#endif
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break;
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case 'n': // num[Frames/Joints]
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{
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unsigned int count;
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if (std::sscanf(&m_currentLine[0], "numAnimatedComponents %u", &count) == 1)
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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if (!m_animatedComponents.empty())
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Warning("Animated components count is already defined");
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#endif
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m_animatedComponents.resize(count);
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}
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else if (std::sscanf(&m_currentLine[0], "numFrames %u", &count) == 1)
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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if (!m_frames.empty())
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Warning("Frame count is already defined");
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#endif
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m_frames.resize(count);
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}
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else if (std::sscanf(&m_currentLine[0], "numJoints %u", &count) == 1)
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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if (!m_joints.empty())
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Warning("Joint count is already defined");
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#endif
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m_joints.resize(count);
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}
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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else
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UnrecognizedLine();
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#endif
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break;
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}
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default:
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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UnrecognizedLine();
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#endif
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break;
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}
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}
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unsigned int frameCount = m_frames.size();
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if (frameCount == 0)
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{
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NazaraError("Frame count is invalid or missing");
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return false;
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}
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unsigned int jointCount = m_joints.size();
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if (jointCount == 0)
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{
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NazaraError("Joint count is invalid or missing");
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return false;
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}
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if (m_frameIndex != frameCount)
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{
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NazaraError("Missing frame infos: [" + NzString::Number(m_frameIndex) + ',' + NzString::Number(frameCount) + ']');
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return false;
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}
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if (m_frameRate == 0)
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{
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NazaraWarning("Framerate is either invalid or missing, assuming a default value of 24");
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m_frameRate = 24;
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}
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return true;
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}
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bool NzMD5AnimParser::Advance(bool required)
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{
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if (!m_keepLastLine)
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{
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do
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{
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if (m_stream.EndOfStream())
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{
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if (required)
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Error("Incomplete MD5 file");
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return false;
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}
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m_lineCount++;
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m_currentLine = m_stream.ReadLine();
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m_currentLine = m_currentLine.SubStringTo("//"); // On ignore les commentaires
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m_currentLine.Simplify(); // Pour un traitement plus simple
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}
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while (m_currentLine.IsEmpty());
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}
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else
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m_keepLastLine = false;
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return true;
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}
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void NzMD5AnimParser::Error(const NzString& message)
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{
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NazaraError(message + " at line #" + NzString::Number(m_lineCount));
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}
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bool NzMD5AnimParser::ParseBaseframe()
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{
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unsigned int jointCount = m_joints.size();
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if (jointCount == 0)
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{
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Error("Joint count is invalid or missing");
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return false;
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}
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for (unsigned int i = 0; i < jointCount; ++i)
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{
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if (!Advance())
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return false;
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if (std::sscanf(&m_currentLine[0], "( %f %f %f ) ( %f %f %f )", &m_joints[i].bindPos.x, &m_joints[i].bindPos.y, &m_joints[i].bindPos.z,
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&m_joints[i].bindOrient.x, &m_joints[i].bindOrient.y, &m_joints[i].bindOrient.z) != 6)
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{
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UnrecognizedLine(true);
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return false;
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}
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}
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if (!Advance())
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return false;
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if (m_currentLine != '}')
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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Warning("Bounds braces closing not found");
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#endif
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// On tente de survivre à l'erreur
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m_keepLastLine = true;
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}
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return true;
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}
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bool NzMD5AnimParser::ParseBounds()
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{
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unsigned int frameCount = m_frames.size();
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if (frameCount == 0)
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{
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Error("Frame count is invalid or missing");
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return false;
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}
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for (unsigned int i = 0; i < frameCount; ++i)
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{
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if (!Advance())
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return false;
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NzVector3f min, max;
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if (std::sscanf(&m_currentLine[0], "( %f %f %f ) ( %f %f %f )", &min.x, &min.y, &min.z, &max.x, &max.y, &max.z) != 6)
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{
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UnrecognizedLine(true);
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return false;
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}
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m_frames[i].bounds.Set(min, max);
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}
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if (!Advance())
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return false;
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if (m_currentLine != '}')
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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Warning("Bounds braces closing not found");
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#endif
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// On tente de survivre à l'erreur
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m_keepLastLine = true;
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}
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return true;
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}
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bool NzMD5AnimParser::ParseFrame()
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{
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unsigned int animatedComponentsCount = m_animatedComponents.size();
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if (animatedComponentsCount == 0)
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{
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Error("Animated components count is missing or invalid");
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return false;
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}
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unsigned int jointCount = m_joints.size();
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if (jointCount == 0)
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{
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Error("Joint count is invalid or missing");
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return false;
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}
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NzString line;
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unsigned int count = 0;
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do
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{
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if (!Advance())
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return false;
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unsigned int index = 0;
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unsigned int size = m_currentLine.GetSize();
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do
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{
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float f;
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int read;
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if (std::sscanf(&m_currentLine[index], "%f%n", &f, &read) != 1)
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{
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UnrecognizedLine(true);
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return false;
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}
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index += read;
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m_animatedComponents[count] = f;
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count++;
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}
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while (index < size);
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}
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while (count < animatedComponentsCount);
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m_frames[m_frameIndex].joints.resize(jointCount);
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for (unsigned int i = 0; i < jointCount; ++i)
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{
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NzQuaternionf jointOrient = m_joints[i].bindOrient;
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NzVector3f jointPos = m_joints[i].bindPos;
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unsigned int j = 0;
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if (m_joints[i].flags & 1) // Px
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jointPos.x = m_animatedComponents[m_joints[i].index + j++];
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if (m_joints[i].flags & 2) // Py
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jointPos.y = m_animatedComponents[m_joints[i].index + j++];
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if (m_joints[i].flags & 4) // Pz
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jointPos.z = m_animatedComponents[m_joints[i].index + j++];
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if (m_joints[i].flags & 8) // Qx
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jointOrient.x = m_animatedComponents[m_joints[i].index + j++];
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if (m_joints[i].flags & 16) // Qy
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jointOrient.y = m_animatedComponents[m_joints[i].index + j++];
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if (m_joints[i].flags & 32) // Qz
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jointOrient.z = m_animatedComponents[m_joints[i].index + j++];
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jointOrient.ComputeW();
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m_frames[m_frameIndex].joints[i].orient = jointOrient;
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m_frames[m_frameIndex].joints[i].pos = jointPos;
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}
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if (!Advance(false))
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return true;
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if (m_currentLine != '}')
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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Warning("Hierarchy braces closing not found");
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#endif
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// On tente de survivre à l'erreur
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m_keepLastLine = true;
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}
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return true;
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}
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bool NzMD5AnimParser::ParseHierarchy()
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{
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unsigned int jointCount = m_joints.size();
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if (jointCount == 0)
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{
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Error("Joint count is invalid or missing");
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return false;
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}
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for (unsigned int i = 0; i < jointCount; ++i)
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{
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if (!Advance())
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return false;
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unsigned int pos = m_currentLine.Find(' ');
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if (pos == NzString::npos)
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{
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UnrecognizedLine(true);
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return false;
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}
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if (pos >= 64)
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{
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NazaraError("Joint name is too long (>= 64 characters)");
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return false;
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}
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char name[64];
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if (std::sscanf(&m_currentLine[0], "%63s %d %u %u", &name[0], &m_joints[i].parent, &m_joints[i].flags, &m_joints[i].index) != 4)
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{
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UnrecognizedLine(true);
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return false;
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}
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m_joints[i].name = name;
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m_joints[i].name.Trim('"');
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int parent = m_joints[i].parent;
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if (parent >= 0)
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{
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if (static_cast<unsigned int>(parent) >= jointCount)
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{
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Error("Joint's parent is out of bounds (" + NzString::Number(parent) + " >= " + NzString::Number(jointCount) + ')');
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return false;
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}
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}
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}
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if (!Advance())
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return false;
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if (m_currentLine != '}')
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{
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#if NAZARA_UTILITY_STRICT_RESOURCE_PARSING
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Warning("Hierarchy braces closing not found");
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#endif
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// On tente de survivre à l'erreur
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m_keepLastLine = true;
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}
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return true;
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}
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void NzMD5AnimParser::Warning(const NzString& message)
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{
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NazaraWarning(message + " at line #" + NzString::Number(m_lineCount));
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}
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void NzMD5AnimParser::UnrecognizedLine(bool error)
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{
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NzString message = "Unrecognized \"" + m_currentLine + '"';
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if (error)
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Error(message);
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else
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Warning(message);
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}
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