wirefrm.h
00001 /* 00002 Copyright (C) 1998 by Jorrit Tyberghein 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License as published by the Free Software Foundation; either 00007 version 2 of the License, or (at your option) any later version. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public 00015 License along with this library; if not, write to the Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_WIREFRM_H__ 00020 #define __CS_WIREFRM_H__ 00021 00022 #include "csutil/scf.h" 00023 #include "csgeom/math3d.h" 00024 #include "csgeom/math2d.h" 00025 00026 struct iGraphics3D; 00027 struct iTextureManager; 00028 class csCamera; 00029 00030 #define PLANE_VERTEX_RADIUS 0.1f 00031 00032 #define WF_ORTHO_PERSP -1 00033 #define WF_ORTHO_X 0 00034 #define WF_ORTHO_Y 1 00035 #define WF_ORTHO_Z 2 00036 00042 class csWfColor 00043 { 00044 public: 00045 csWfColor* next; // Next color. 00046 int r, g, b; // Base color. 00047 int col_idx[16]; // 16-levels based on distance. 00048 00049 public: 00051 csWfColor (iTextureManager* txtmgr, int r, int g, int b); 00053 int GetColor (float z); 00054 }; 00055 00059 class csWfObject 00060 { 00061 private: 00062 csWfObject* next, * prev; 00063 00064 protected: 00065 csWfColor* color; 00066 00067 public: 00069 csWfObject (); 00071 virtual ~csWfObject (); 00072 00074 void SetColor (csWfColor* col) { color = col; } 00076 csWfColor* GetColor () { return color; } 00077 00079 csWfObject* GetNext () { return next; } 00081 csWfObject* GetPrev () { return prev; } 00083 void SetNext (csWfObject* ob) { next = ob; } 00085 void SetPrev (csWfObject* ob) { prev = ob; } 00086 00088 virtual void Draw (iGraphics3D* g, csCamera* c, int ortho = WF_ORTHO_PERSP) = 0; 00089 00091 bool Perspective (csCamera* c, csVector3& v, csVector2& persp, float radius, float& pradius); 00092 // 00094 bool Orthographic (csCamera* c, int ortho, csVector3& v, csVector2& persp); 00095 }; 00096 00100 class csWfVertex : public csWfObject 00101 { 00102 private: 00103 csVector3 loc; 00104 00105 public: 00107 csVector3& GetLocation () { return loc; } 00108 00110 void SetLocation (const csVector3& v) { loc = v; } 00112 void SetLocation (float x, float y, float z) { loc.x = x; loc.y = y; loc.z = z; } 00113 00115 virtual void Draw (iGraphics3D* g, csCamera* c, int ortho = WF_ORTHO_PERSP); 00116 }; 00117 00121 class csWfLine : public csWfObject 00122 { 00123 private: 00124 csVector3 v1, v2; 00125 00126 public: 00128 csVector3& GetVertex1 () { return v1; } 00130 csVector3& GetVertex2 () { return v2; } 00132 void SetLine (csVector3& vv1, csVector3& vv2) { v1 = vv1; v2 = vv2; } 00133 00135 virtual void Draw (iGraphics3D* g, csCamera* c, int ortho = WF_ORTHO_PERSP); 00136 }; 00137 00141 class csWfPolygon : public csWfObject 00142 { 00143 private: 00144 int num_vertices; 00145 csVector3* vertices; 00146 csVector3 center; // Calculated center of polygon. 00147 float A, B, C, D; // Plane equation of polygon. 00148 csWfColor* vcolor; // Visibility color. 00149 00150 public: 00152 csWfPolygon (); 00154 virtual ~csWfPolygon (); 00155 00157 void SetVertexCount (int n); 00159 int GetVertexCount () { return num_vertices; } 00161 void SetVertex (int i, csVector3& v); 00162 00164 void SetVisColor (csWfColor* vcol) { vcolor = vcol; } 00165 00167 void Prepare (); 00168 00170 bool IsVisible (csCamera* camera); 00171 00173 virtual void Draw (iGraphics3D* g, csCamera* c, int ortho = WF_ORTHO_PERSP); 00174 }; 00175 00180 class csWireFrame 00181 { 00182 private: 00183 csWfObject* objects; 00184 iTextureManager* txtmgr; 00185 csWfColor* colors; 00186 csWfColor* white; 00187 csWfColor* red; 00188 csWfColor* green; 00189 csWfColor* blue; 00190 csWfColor* yellow; 00191 00192 size_t numObjects; 00193 00194 public: 00196 csWireFrame (iTextureManager* txtmgr); 00198 virtual ~csWireFrame (); 00199 00201 void Clear (); 00202 00204 size_t Entries () { return numObjects; } 00205 00207 csWfColor* GetWhite () { return white; } 00208 00210 csWfColor* GetRed () { return red; } 00211 00213 csWfColor* GetBlue () { return blue; } 00214 00216 csWfColor* GetGreen () { return green; } 00217 00219 csWfColor* GetYellow () { return yellow; } 00220 00224 csWfColor* FindColor (int r, int g, int b); 00225 00234 csWfColor* RegisterColor (int r, int g, int b); 00235 00237 csWfVertex* AddVertex (const csVector3& v); 00239 csWfLine* AddLine (csVector3& v1, csVector3& v2); 00241 csWfPolygon* AddPolygon (); 00242 00244 void Draw (iGraphics3D* g, csCamera* c, int ortho = WF_ORTHO_PERSP); 00245 00247 void Apply (void (*func)( csWfObject*, void*), void*); 00248 }; 00249 00253 class csWireFrameCam 00254 { 00255 private: 00256 csWireFrame* wf; 00257 csCamera* c; 00258 00259 public: 00261 csWireFrameCam (iTextureManager* txtmgr); 00263 virtual ~csWireFrameCam (); 00264 00266 csWireFrame* GetWireframe () { return wf; } 00268 csCamera* GetCamera () { return c; } 00269 00271 void KeyUp (float speed, bool slow, bool fast); 00273 void KeyDown (float speed, bool slow, bool fast); 00275 void KeyLeft (float speed, bool slow, bool fast); 00277 void KeyRight (float speed, bool slow, bool fast); 00279 void KeyLeftStrafe (float speed, bool slow, bool fast); 00281 void KeyRightStrafe (float speed, bool slow, bool fast); 00283 void KeyPgDn (float speed, bool slow, bool fast); 00285 void KeyPgUp (float speed, bool slow, bool fast); 00286 }; 00287 00288 #endif // __CS_WIREFRM_H__ 00289
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