From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001
From: "FWoltermann@gmail.com"
 <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544>
Date: Thu, 8 Dec 2011 14:53:40 +0000
Subject: Initial upload

---
 Magic2/M3DS.cpp | 263 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 263 insertions(+)
 create mode 100644 Magic2/M3DS.cpp

(limited to 'Magic2/M3DS.cpp')

diff --git a/Magic2/M3DS.cpp b/Magic2/M3DS.cpp
new file mode 100644
index 0000000..21ac41a
--- /dev/null
+++ b/Magic2/M3DS.cpp
@@ -0,0 +1,263 @@
+/*  Project Magic 2.0
+    Destroyer Studios LLC
+    Copyright © 1997-2004. All Rights Reserved.
+
+    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;
+}
+
+// +--------------------------------------------------------------------+
-- 
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