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Diffstat (limited to 'Magic2/M3DS.cpp')
| -rw-r--r-- | Magic2/M3DS.cpp | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/Magic2/M3DS.cpp b/Magic2/M3DS.cpp new file mode 100644 index 0000000..f5b5fc5 --- /dev/null +++ b/Magic2/M3DS.cpp @@ -0,0 +1,287 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: Magic.exe + FILE: ModelFile3DS.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + File loader for 3DStudio MAX 3DS format models +*/ + +#include "stdafx.h" +#include "Magic.h" +#include "MagicDoc.h" +#include "ModelFile3DS.h" + +#include "Bitmap.h" +#include "Polygon.h" +#include "Text.h" +#include "List.h" +#include "ArrayList.h" + +// +--------------------------------------------------------------------+ + +struct Chunk +{ + WORD id; + DWORD len; + BYTE* start; + + List<Chunk> chunks; +}; + +// +--------------------------------------------------------------------+ + +struct Vec2 +{ + float u,v; +}; + +struct Triangle +{ + WORD a,b,c; +}; + +struct Triangle2 +{ + Vec3 vloc[3]; + Vec3 vnrm[3]; + Vec2 vtex[3]; + Vec3 fnrm; + DWORD mtl_id; +}; + +struct TextureMap +{ + char fname[256]; + float strength; + float u_scale; + float v_scale; + float u_offset; + float v_offset; + float angle; +}; + +// +--------------------------------------------------------------------+ + +class Object3DS +{ +public: + Object3DS(); + virtual ~Object3DS(); + + virtual const char* GetName(); + virtual bool IsObject(const char* name); + +protected: + Text name; +}; + +// +--------------------------------------------------------------------+ + +class Material3DS : public Object3DS +{ +public: + Material3DS(); + virtual ~Material3DS(); + + DWORD GetID(); + TextureMap& GetTextureMap1(); + TextureMap& GetTextureMap2(); + TextureMap& GetOpacityMap(); + TextureMap& GetSpecularMap(); + TextureMap& GetBumpMap(); + TextureMap& GetReflectionMap(); + ColorValue GetAmbientColor(); + ColorValue GetDiffuseColor(); + ColorValue GetSpecularColor(); + float GetShininess(); + float GetTransparency(); + DWORD GetShadingType(); + + // this methods should not be used by the "user", they're used internally to fill the class + // with valid data when reading from file. If you're about to add an importer for another format you'LL + // have to use these methods + + void SetID(DWORD value); + void SetAmbientColor(const ColorValue &color); + void SetDiffuseColor(const ColorValue &color); + void SetSpecularColor(const ColorValue &color); + void SetShininess(float value); + void SetTransparency(float value); + void SetShadingType(DWORD shading); + +protected: + int id; + TextureMap texMap1; + TextureMap texMap2; + TextureMap opacMap; + TextureMap refTextureMap; + TextureMap bumpMap; + TextureMap specMap; + ColorValue ambient; + ColorValue diffuse; + ColorValue specular; + float shininess; + float transparency; + DWORD shading; +}; + +// +--------------------------------------------------------------------+ + +class Mesh3DS : public Object3DS +{ +public: + Mesh3DS(); + virtual ~Mesh3DS(); + + void Clear(); + + DWORD GetVertexCount(); + void SetVertexArraySize(DWORD value); + DWORD GetTriangleCount(); + void SetTriangleArraySize(DWORD value); + + const Vec3& GetVertex(DWORD index); + const Vec3& GetNormal(DWORD index); + const Vec2& GetUV(DWORD index); + const Vec3& GetTangent(DWORD index); + const Vec3& GetBinormal(DWORD index); + + void SetVertex(const Vec3 &vec, DWORD index); + void SetNormal(const Vec3 &vec, DWORD index); + void SetUV(const Vec2 &vec, DWORD index); + void SetTangent(const Vec3 &vec, DWORD index); + void SetBinormal(const Vec3 &vec, DWORD index); + + const Triangle& GetTriangle(DWORD index); + Triangle2 GetTriangle2(DWORD index); + + Matrix& GetMatrix(); + void SetMatrix(Matrix& m); + void Optimize(int level); + + DWORD GetMaterial(DWORD index); + DWORD AddMaterial(DWORD id); + DWORD GetMaterialCount(); + +protected: + // the vertices, normals, etc. + List<Vec3> vertices; + List<Vec3> normals; + List<Vec3> binormals; + List<Vec3> tangents; + List<Vec2> uv; + + // triangles + List<Triangle> triangles; + + // the transformation matrix. + Matrix matrix; + + // the material ID array + ArrayList materials; + + void CalcNormals(bool useSmoothingGroups); + void CalcTextureSpace(); + + void TransformVertices(); +}; + + +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ +// +--------------------------------------------------------------------+ + +ModelFile3DS::ModelFile3DS(const char* fname) + : ModelFile(fname) +{ +} + +ModelFile3DS::~ModelFile3DS() +{ +} + +// +--------------------------------------------------------------------+ + +static int mcomp(const void* a, const void* b) +{ + Poly* pa = (Poly*) a; + Poly* pb = (Poly*) b; + + if (pa->sortval == pb->sortval) + return 0; + + if (pa->sortval < pb->sortval) + return 1; + + return -1; +} + +bool +ModelFile3DS::Load(Model* m, double scale) +{ + if (m && scale > 0 && strlen(filename) > 0) { + ModelFile::Load(m, scale); + + FILE* fp = fopen(filename, "rb"); + fclose(fp); + + m->Normalize(); + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ + +bool +ModelFile3DS::Save(Model* m) +{ + if (m) { + ModelFile::Save(m); + + FILE* f = fopen(filename, "w"); + if (!f) { + ::MessageBox(0, "Export Failed: Magic could not open the file for writing", "ERROR", MB_OK); + return false; + } + + fclose(f); + + return true; + } + + return false; +} + +// +--------------------------------------------------------------------+ |