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leocad/common/piece.cpp

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#include "lc_global.h"
#include "lc_mesh.h"
#include "lc_colors.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
#include "opengl.h"
#include "pieceinf.h"
#include "piece.h"
#include "group.h"
#include "project.h"
#include "lc_model.h"
#include "lc_file.h"
#include "lc_application.h"
#include "lc_library.h"
#include "lc_context.h"
#include "lc_qutils.h"
#define LC_PIECE_SAVE_VERSION 12 // LeoCAD 0.80
/////////////////////////////////////////////////////////////////////////////
// Piece construction/destruction
lcPiece::lcPiece(PieceInfo* pPieceInfo)
: lcObject (LC_OBJECT_PIECE)
{
mPieceInfo = pPieceInfo;
mState = 0;
mColorIndex = gDefaultColor;
mColorCode = 16;
mStepShow = 1;
mStepHide = LC_STEP_MAX;
mGroup = NULL;
if (mPieceInfo != NULL)
mPieceInfo->AddRef();
ChangeKey(mPositionKeys, lcVector3(0.0f, 0.0f, 0.0f), 1, true);
ChangeKey(mRotationKeys, lcMatrix33Identity(), 1, true);
}
lcPiece::~lcPiece()
{
if (mPieceInfo != NULL)
mPieceInfo->Release();
}
void lcPiece::SaveLDraw(QTextStream& Stream) const
{
QLatin1String LineEnding("\r\n");
if (mStepHide != LC_STEP_MAX)
Stream << QLatin1String("0 !LEOCAD PIECE STEP_HIDE ") << mStepHide << LineEnding;
if (IsHidden())
Stream << QLatin1String("0 !LEOCAD PIECE HIDDEN") << LineEnding;
if (mPositionKeys.GetSize() > 1)
SaveKeysLDraw(Stream, mPositionKeys, "PIECE POSITION_KEY ");
if (mRotationKeys.GetSize() > 1)
SaveKeysLDraw(Stream, mRotationKeys, "PIECE ROTATION_KEY ");
Stream << "1 " << mColorCode << ' ';
const float* Matrix = mModelWorld;
float Numbers[12] = { Matrix[12], -Matrix[14], Matrix[13], Matrix[0], -Matrix[8], Matrix[4], -Matrix[2], Matrix[10], -Matrix[6], Matrix[1], -Matrix[9], Matrix[5] };
for (int NumberIdx = 0; NumberIdx < 12; NumberIdx++)
Stream << lcFormatValue(Numbers[NumberIdx]) << ' ';
Stream << mPieceInfo->GetSaveID() << LineEnding;
}
bool lcPiece::ParseLDrawLine(QTextStream& Stream)
{
while (!Stream.atEnd())
{
QString Token;
Stream >> Token;
if (Token == QLatin1String("STEP_HIDE"))
Stream >> mStepHide;
else if (Token == QLatin1String("HIDDEN"))
SetHidden(true);
else if (Token == QLatin1String("POSITION_KEY"))
LoadKeysLDraw(Stream, mPositionKeys);
else if (Token == QLatin1String("ROTATION_KEY"))
LoadKeysLDraw(Stream, mRotationKeys);
}
return false;
}
/////////////////////////////////////////////////////////////////////////////
// Piece save/load
// Use only when loading from a file
void lcPiece::SetPieceInfo(PieceInfo* pPieceInfo)
{
mPieceInfo = pPieceInfo;
mPieceInfo->AddRef();
}
bool lcPiece::FileLoad(lcFile& file)
{
lcuint8 version, ch;
version = file.ReadU8();
if (version > LC_PIECE_SAVE_VERSION)
return false;
if (version > 8)
{
if (file.ReadU8() != 1)
return false;
lcuint16 time;
float param[4];
lcuint8 type;
lcuint32 n;
file.ReadU32(&n, 1);
while (n--)
{
file.ReadU16(&time, 1);
file.ReadFloats(param, 4);
file.ReadU8(&type, 1);
if (type == 0)
ChangeKey(mPositionKeys, lcVector3(param[0], param[1], param[2]), time, true);
else if (type == 1)
ChangeKey(mRotationKeys, lcMatrix33FromAxisAngle(lcVector3(param[0], param[1], param[2]), param[3] * LC_DTOR), time, true);
}
file.ReadU32(&n, 1);
while (n--)
{
file.ReadU16(&time, 1);
file.ReadFloats(param, 4);
file.ReadU8(&type, 1);
}
}
if (version < 9)
{
lcuint16 time;
lcuint8 type;
if (version > 5)
{
lcuint32 keys;
float param[4];
file.ReadU32(&keys, 1);
while (keys--)
{
file.ReadFloats(param, 4);
file.ReadU16(&time, 1);
file.ReadU8(&type, 1);
if (type == 0)
ChangeKey(mPositionKeys, lcVector3(param[0], param[1], param[2]), time, true);
else if (type == 1)
ChangeKey(mRotationKeys, lcMatrix33FromAxisAngle(lcVector3(param[0], param[1], param[2]), param[3] * LC_DTOR), time, true);
}
file.ReadU32(&keys, 1);
while (keys--)
{
file.ReadFloats(param, 4);
file.ReadU16(&time, 1);
file.ReadU8(&type, 1);
}
}
else
{
if (version > 2)
{
file.ReadU8(&ch, 1);
while (ch--)
{
lcMatrix44 ModelWorld;
if (version > 3)
{
file.ReadFloats(ModelWorld, 16);
}
else
{
lcVector3 Translation;
float Rotation[3];
file.ReadFloats(Translation, 3);
file.ReadFloats(Rotation, 3);
ModelWorld = lcMatrix44Translation(Translation);
ModelWorld = lcMul(lcMatrix44RotationZ(Rotation[2] * LC_DTOR), lcMul(lcMatrix44RotationY(Rotation[1] * LC_DTOR), lcMul(lcMatrix44RotationX(Rotation[0] * LC_DTOR), ModelWorld)));
}
lcuint8 b;
file.ReadU8(&b, 1);
time = b;
ChangeKey(mPositionKeys, ModelWorld.GetTranslation(), 1, true);
ChangeKey(mRotationKeys, lcMatrix33(ModelWorld), time, true);
lcint32 bl;
file.ReadS32(&bl, 1);
}
}
else
{
lcVector3 Translation;
float Rotation[3];
file.ReadFloats(Translation, 3);
file.ReadFloats(Rotation, 3);
lcMatrix44 ModelWorld = lcMatrix44Translation(Translation);
ModelWorld = lcMul(lcMatrix44RotationZ(Rotation[2] * LC_DTOR), lcMul(lcMatrix44RotationY(Rotation[1] * LC_DTOR), lcMul(lcMatrix44RotationX(Rotation[0] * LC_DTOR), ModelWorld)));
ChangeKey(mPositionKeys, lcVector3(ModelWorld.r[3][0], ModelWorld.r[3][1], ModelWorld.r[3][2]), 1, true);
ChangeKey(mRotationKeys, lcMatrix33(ModelWorld), 1, true);
}
}
}
// Common to all versions.
char name[LC_PIECE_NAME_LEN];
if (version < 10)
{
memset(name, 0, LC_PIECE_NAME_LEN);
file.ReadBuffer(name, 9);
}
else
file.ReadBuffer(name, LC_PIECE_NAME_LEN);
PieceInfo* pInfo = lcGetPiecesLibrary()->FindPiece(name, true);
SetPieceInfo(pInfo);
// 11 (0.77)
if (version < 11)
{
lcuint8 Color;
file.ReadU8(&Color, 1);
if (version < 5)
mColorCode = lcGetColorCodeFromOriginalColor(Color);
else
mColorCode = lcGetColorCodeFromExtendedColor(Color);
}
else
file.ReadU32(&mColorCode, 1);
mColorIndex = lcGetColorIndex(mColorCode);
lcuint8 Step;
file.ReadU8(&Step, 1);
mStepShow = Step;
if (version > 1)
{
file.ReadU8(&Step, 1);
mStepHide = Step == 255 ? LC_STEP_MAX : Step;
}
else
mStepHide = LC_STEP_MAX;
if (version > 5)
{
file.ReadU16(); // m_nFrameShow
file.ReadU16(); // m_nFrameHide
if (version > 7)
{
lcuint8 Hidden;
file.ReadU8(&Hidden, 1);
if (Hidden & 1)
mState |= LC_PIECE_HIDDEN;
file.ReadU8(&ch, 1);
file.Seek(ch, SEEK_CUR);
}
else
{
lcint32 hide;
file.ReadS32(&hide, 1);
if (hide != 0)
mState |= LC_PIECE_HIDDEN;
file.Seek(81, SEEK_CUR);
}
// 7 (0.64)
lcint32 i = -1;
if (version > 6)
file.ReadS32(&i, 1);
mGroup = (lcGroup*)(long)i;
}
else
{
file.ReadU8(&ch, 1);
if (ch == 0)
mGroup = (lcGroup*)-1;
else
mGroup = (lcGroup*)(long)ch;
file.ReadU8(&ch, 1);
if (ch & 0x01)
mState |= LC_PIECE_HIDDEN;
}
if (version < 12)
{
for (int KeyIdx = 0; KeyIdx < mPositionKeys.GetSize(); KeyIdx++)
mPositionKeys[KeyIdx].Value *= 25.0f;
}
return true;
}
void lcPiece::Initialize(const lcMatrix44& WorldMatrix, lcStep Step)
{
mStepShow = Step;
ChangeKey(mPositionKeys, WorldMatrix.GetTranslation(), 1, true);
ChangeKey(mRotationKeys, lcMatrix33(WorldMatrix), 1, true);
UpdatePosition(Step);
}
void lcPiece::InsertTime(lcStep Start, lcStep Time)
{
if (mStepShow >= Start)
{
if (mStepShow < LC_STEP_MAX - Time)
mStepShow += Time;
else
mStepShow = LC_STEP_MAX;
}
if (mStepHide >= Start)
{
if (mStepHide < LC_STEP_MAX - Time)
mStepHide += Time;
else
mStepHide = LC_STEP_MAX;
}
if (mStepShow >= mStepHide)
{
if (mStepShow != LC_STEP_MAX)
mStepHide = mStepShow + 1;
else
{
mStepShow = LC_STEP_MAX - 1;
mStepHide = LC_STEP_MAX;
}
}
lcObject::InsertTime(mPositionKeys, Start, Time);
lcObject::InsertTime(mRotationKeys, Start, Time);
}
void lcPiece::RemoveTime(lcStep Start, lcStep Time)
{
if (mStepShow >= Start)
{
if (mStepShow > Time)
mStepShow -= Time;
else
mStepShow = 1;
}
if (mStepHide != LC_STEP_MAX)
{
if (mStepHide > Time)
mStepHide -= Time;
else
mStepHide = 1;
}
if (mStepShow >= mStepHide)
{
if (mStepShow != LC_STEP_MAX)
mStepHide = mStepShow + 1;
else
{
mStepShow = LC_STEP_MAX - 1;
mStepHide = LC_STEP_MAX;
}
}
lcObject::RemoveTime(mPositionKeys, Start, Time);
lcObject::RemoveTime(mRotationKeys, Start, Time);
}
void lcPiece::RayTest(lcObjectRayTest& ObjectRayTest) const
{
if (mPieceInfo->MinIntersectDist(mModelWorld, ObjectRayTest.Start, ObjectRayTest.End, ObjectRayTest.Distance))
{
ObjectRayTest.ObjectSection.Object = const_cast<lcPiece*>(this);
ObjectRayTest.ObjectSection.Section = 0;
}
}
void lcPiece::BoxTest(lcObjectBoxTest& ObjectBoxTest) const
{
if (mPieceInfo->BoxTest(mModelWorld, ObjectBoxTest.Planes))
ObjectBoxTest.Objects.Add(const_cast<lcPiece*>(this));
}
void lcPiece::DrawInterface(lcContext* Context, const lcMatrix44& ViewMatrix) const
{
float LineWidth = lcGetPreferences().mLineWidth;
Context->SetLineWidth(2.0f * LineWidth);
lcVector3 Min(mPieceInfo->m_fDimensions[3], mPieceInfo->m_fDimensions[4], mPieceInfo->m_fDimensions[5]);
lcVector3 Max(mPieceInfo->m_fDimensions[0], mPieceInfo->m_fDimensions[1], mPieceInfo->m_fDimensions[2]);
lcVector3 Edge((Max - Min) * 0.33f);
float Verts[48][3] =
{
{ Max[0], Max[1], Max[2] }, { Max[0] - Edge[0], Max[1], Max[2] },
{ Max[0], Max[1], Max[2] }, { Max[0], Max[1] - Edge[1], Max[2] },
{ Max[0], Max[1], Max[2] }, { Max[0], Max[1], Max[2] - Edge[2] },
{ Min[0], Max[1], Max[2] }, { Min[0] + Edge[0], Max[1], Max[2] },
{ Min[0], Max[1], Max[2] }, { Min[0], Max[1] - Edge[1], Max[2] },
{ Min[0], Max[1], Max[2] }, { Min[0], Max[1], Max[2] - Edge[2] },
{ Max[0], Min[1], Max[2] }, { Max[0] - Edge[0], Min[1], Max[2] },
{ Max[0], Min[1], Max[2] }, { Max[0], Min[1] + Edge[1], Max[2] },
{ Max[0], Min[1], Max[2] }, { Max[0], Min[1], Max[2] - Edge[2] },
{ Min[0], Min[1], Max[2] }, { Min[0] + Edge[0], Min[1], Max[2] },
{ Min[0], Min[1], Max[2] }, { Min[0], Min[1] + Edge[1], Max[2] },
{ Min[0], Min[1], Max[2] }, { Min[0], Min[1], Max[2] - Edge[2] },
{ Max[0], Max[1], Min[2] }, { Max[0] - Edge[0], Max[1], Min[2] },
{ Max[0], Max[1], Min[2] }, { Max[0], Max[1] - Edge[1], Min[2] },
{ Max[0], Max[1], Min[2] }, { Max[0], Max[1], Min[2] + Edge[2] },
{ Min[0], Max[1], Min[2] }, { Min[0] + Edge[0], Max[1], Min[2] },
{ Min[0], Max[1], Min[2] }, { Min[0], Max[1] - Edge[1], Min[2] },
{ Min[0], Max[1], Min[2] }, { Min[0], Max[1], Min[2] + Edge[2] },
{ Max[0], Min[1], Min[2] }, { Max[0] - Edge[0], Min[1], Min[2] },
{ Max[0], Min[1], Min[2] }, { Max[0], Min[1] + Edge[1], Min[2] },
{ Max[0], Min[1], Min[2] }, { Max[0], Min[1], Min[2] + Edge[2] },
{ Min[0], Min[1], Min[2] }, { Min[0] + Edge[0], Min[1], Min[2] },
{ Min[0], Min[1], Min[2] }, { Min[0], Min[1] + Edge[1], Min[2] },
{ Min[0], Min[1], Min[2] }, { Min[0], Min[1], Min[2] + Edge[2] },
};
Context->SetWorldViewMatrix(lcMul(mModelWorld, ViewMatrix));
if (IsFocused())
lcSetColorFocused();
else
lcSetColorSelected();
glVertexPointer(3, GL_FLOAT, 0, Verts);
glDrawArrays(GL_LINES, 0, 48);
}
void lcPiece::Move(lcStep Step, bool AddKey, const lcVector3& Distance)
{
lcVector3 Position = mModelWorld.GetTranslation() + Distance;
ChangeKey(mPositionKeys, Position, Step, AddKey);
mModelWorld.SetTranslation(Position);
}
const char* lcPiece::GetName() const
{
return mPieceInfo->m_strDescription;
}
bool lcPiece::IsVisible(lcStep Step)
{
if (mState & LC_PIECE_HIDDEN)
return false;
return (mStepShow <= Step) && (mStepHide > Step);
}
void lcPiece::CompareBoundingBox(float box[6])
{
lcVector3 Points[8] =
{
lcVector3(mPieceInfo->m_fDimensions[0], mPieceInfo->m_fDimensions[1], mPieceInfo->m_fDimensions[5]),
lcVector3(mPieceInfo->m_fDimensions[3], mPieceInfo->m_fDimensions[1], mPieceInfo->m_fDimensions[5]),
lcVector3(mPieceInfo->m_fDimensions[0], mPieceInfo->m_fDimensions[1], mPieceInfo->m_fDimensions[2]),
lcVector3(mPieceInfo->m_fDimensions[3], mPieceInfo->m_fDimensions[4], mPieceInfo->m_fDimensions[5]),
lcVector3(mPieceInfo->m_fDimensions[3], mPieceInfo->m_fDimensions[4], mPieceInfo->m_fDimensions[2]),
lcVector3(mPieceInfo->m_fDimensions[0], mPieceInfo->m_fDimensions[4], mPieceInfo->m_fDimensions[2]),
lcVector3(mPieceInfo->m_fDimensions[0], mPieceInfo->m_fDimensions[4], mPieceInfo->m_fDimensions[5]),
lcVector3(mPieceInfo->m_fDimensions[3], mPieceInfo->m_fDimensions[1], mPieceInfo->m_fDimensions[2])
};
for (int i = 0; i < 8; i++)
{
lcVector3 Point = lcMul31(Points[i], mModelWorld);
if (Point[0] < box[0]) box[0] = Point[0];
if (Point[1] < box[1]) box[1] = Point[1];
if (Point[2] < box[2]) box[2] = Point[2];
if (Point[0] > box[3]) box[3] = Point[0];
if (Point[1] > box[4]) box[4] = Point[1];
if (Point[2] > box[5]) box[5] = Point[2];
}
}
lcGroup* lcPiece::GetTopGroup()
{
return mGroup ? mGroup->GetTopGroup() : NULL;
}
void lcPiece::UpdatePosition(lcStep Step)
{
lcVector3 Position = CalculateKey(mPositionKeys, Step);
lcMatrix33 Rotation = CalculateKey(mRotationKeys, Step);
mModelWorld = lcMatrix44(Rotation, Position);
}
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