mirror of
https://github.com/leozide/leocad
synced 2024-12-28 22:23:35 +01:00
140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
#include "lc_global.h"
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#include "lc_math.h"
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#include "lc_mesh.h"
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#include "lc_colors.h"
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#include "lc_texture.h"
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#include "opengl.h"
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#include "pieceinf.h"
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#include "lc_library.h"
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#include "lc_application.h"
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PieceInfo::PieceInfo(int ZipFileIndex)
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{
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mZipFileIndex = ZipFileIndex;
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mFlags = 0;
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mMesh = NULL;
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mRefCount = 0;
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}
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PieceInfo::~PieceInfo()
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{
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if (mRefCount)
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Unload();
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}
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void PieceInfo::CreatePlaceholder(const char* Name)
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{
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strncpy(m_strName, Name, sizeof(m_strName));
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m_strName[sizeof(m_strName)-1] = 0;
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strncpy(m_strDescription, Name, sizeof(m_strDescription));
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m_strDescription[sizeof(m_strDescription)-1] = 0;
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mFlags = LC_PIECE_PLACEHOLDER;
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}
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void PieceInfo::Load()
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{
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if (mFlags & LC_PIECE_PLACEHOLDER)
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{
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mMesh = new lcMesh();
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mMesh->CreateBox();
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mFlags |= LC_PIECE_HAS_DEFAULT | LC_PIECE_HAS_LINES;
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m_fDimensions[0] = 0.4f;
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m_fDimensions[1] = 0.4f;
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m_fDimensions[2] = 0.16f;
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m_fDimensions[3] = -0.4f;
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m_fDimensions[4] = -0.4f;
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m_fDimensions[5] = -0.96f;
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}
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else if (mFlags & LC_PIECE_GENERATED)
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lcGetPiecesLibrary()->GeneratePiece(this);
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else
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lcGetPiecesLibrary()->LoadPiece(this);
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}
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void PieceInfo::Unload()
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{
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for (int SectionIdx = 0; SectionIdx < mMesh->mNumSections; SectionIdx++)
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{
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lcMeshSection& Section = mMesh->mSections[SectionIdx];
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if (Section.Texture)
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Section.Texture->Release();
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}
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delete mMesh;
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mMesh = NULL;
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}
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// Zoom extents for the preview window and print catalog
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void PieceInfo::ZoomExtents(float Fov, float Aspect, float* EyePos) const
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{
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lcVector3 Points[8] =
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{
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lcVector3(m_fDimensions[0], m_fDimensions[1], m_fDimensions[5]),
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lcVector3(m_fDimensions[3], m_fDimensions[1], m_fDimensions[5]),
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lcVector3(m_fDimensions[0], m_fDimensions[1], m_fDimensions[2]),
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lcVector3(m_fDimensions[3], m_fDimensions[4], m_fDimensions[5]),
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lcVector3(m_fDimensions[3], m_fDimensions[4], m_fDimensions[2]),
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lcVector3(m_fDimensions[0], m_fDimensions[4], m_fDimensions[2]),
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lcVector3(m_fDimensions[0], m_fDimensions[4], m_fDimensions[5]),
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lcVector3(m_fDimensions[3], m_fDimensions[1], m_fDimensions[2])
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};
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lcVector3 Center(GetCenter());
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lcVector3 Position;
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if (EyePos)
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Position = lcVector3(EyePos[0], EyePos[1], EyePos[2]);
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else
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Position = lcVector3(-10.0f, -10.0f, 5.0f);
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Position += Center;
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lcMatrix44 Projection = lcMatrix44Perspective(30.0f, Aspect, 1.0f, 100.0f);
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lcMatrix44 ModelView = lcMatrix44LookAt(Position, Center, lcVector3(0, 0, 1));
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Position = lcZoomExtents(Position, ModelView, Projection, Points, 8);
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glMatrixMode(GL_PROJECTION);
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glLoadMatrixf(Projection);
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glMatrixMode(GL_MODELVIEW);
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glLoadMatrixf(lcMatrix44LookAt(Position, Center, lcVector3(0, 0, 1)));
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if (EyePos)
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{
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EyePos[0] = Position[0];
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EyePos[1] = Position[1];
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EyePos[2] = Position[2];
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}
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}
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void PieceInfo::RenderPiece(int nColor)
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{
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mMesh->Render(nColor, false, false);
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}
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void PieceInfo::AddRenderMeshes(const lcMatrix44& ViewMatrix, lcMatrix44* WorldMatrix, int ColorIndex, bool Focused, bool Selected, lcArray<lcRenderMesh>& OpaqueMeshes, lcArray<lcRenderMesh>& TranslucentMeshes)
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{
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lcRenderMesh RenderMesh;
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RenderMesh.WorldMatrix = WorldMatrix;
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RenderMesh.Mesh = mMesh;
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RenderMesh.ColorIndex = ColorIndex;
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RenderMesh.Focused = Focused;
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RenderMesh.Selected = Selected;
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bool Translucent = lcIsColorTranslucent(ColorIndex);
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if ((mFlags & (LC_PIECE_HAS_SOLID | LC_PIECE_HAS_LINES)) || ((mFlags & LC_PIECE_HAS_DEFAULT) && !Translucent))
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OpaqueMeshes.Add(RenderMesh);
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if ((mFlags & LC_PIECE_HAS_TRANSLUCENT) || ((mFlags & LC_PIECE_HAS_DEFAULT) && Translucent))
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{
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lcVector3 Pos = lcMul31((*WorldMatrix)[3], ViewMatrix);
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RenderMesh.Distance = Pos[2];
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TranslucentMeshes.Add(RenderMesh);
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}
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}
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