include/missiongrid.h

   1 /*
   2  * $Logfile: /Freespace2/code/Mission/MissionGrid.h $
   3  * $Revision$
   4  * $Date$
   5  * $Author$
   6  *
   7  * Type and defines for grids
   8  *
   9  * $Log$
  10  * Revision 1.1  2002/05/03 03:28:12  root
  11  * Initial revision
  12  *
  13  *
  14  * 2     10/07/98 10:53a Dave
  15  * Initial checkin.
  16  *
  17  * 1     10/07/98 10:49a Dave
  18  *
  19  * 6     10/03/97 8:55a John
  20  * moved Fred's grid_render code out of MissionGrid and into Fred.   Added
  21  * code to turn background under overlays grey.
  22  *
  23  * 5     7/14/97 12:04a Lawrance
  24  * added function that navmap calls to draw elevation lines
  25  *
  26  * 4     6/18/97 11:36p Lawrance
  27  * move grid rendering code to MissionGrid.cpp
  28  *
  29  * 3     6/12/97 11:25a Lawrance
  30  * added grid_read_camera_controls()
  31  *
  32  * 2     6/12/97 9:58a Lawrance
  33  * holds grid specific types and #defines
  34  *
  35  * 1     6/12/97 9:51a Lawrance
  36  *
  37  * $NoKeywords: $
  38  */
  39
  40
  41 #ifndef __MISSIONGRID_H__
  42 #define __MISSIONGRID_H__
  43
  44 #define MAX_GRIDLINE_POINTS     201
  45 #define L_MAX_LINES                             128
  46
  47 typedef struct grid {
  48         int             nrows, ncols;
  49         vector  center;
  50         matrix  gmatrix;
  51         physics_info    physics;
  52         float   square_size;
  53         float   planeD;         //      D component of plane equation (A, B, C are uvec in gmatrix)
  54         vector  gpoints1[MAX_GRIDLINE_POINTS];  // 1 -4 are edge gridpoints for small grid.
  55         vector  gpoints2[MAX_GRIDLINE_POINTS];
  56         vector  gpoints3[MAX_GRIDLINE_POINTS];
  57         vector  gpoints4[MAX_GRIDLINE_POINTS];
  58         vector  gpoints5[MAX_GRIDLINE_POINTS];  // 5-8 are edge gridpoints for large grid.
  59         vector  gpoints6[MAX_GRIDLINE_POINTS];
  60         vector  gpoints7[MAX_GRIDLINE_POINTS];
  61         vector  gpoints8[MAX_GRIDLINE_POINTS];
  62 } grid;
  63
  64 typedef struct tline {
  65         int     istart, iend, color;
  66 } tline;
  67
  68 extern grid Global_grid;
  69 extern grid     *The_grid;
  70 extern int      double_fine_gridlines;
  71
  72 void grid_read_camera_controls( control_info * ci, float frametime );
  73 void maybe_create_new_grid(grid *gridp, vector *pos, matrix *orient, int force = 0);
  74 grid *create_grid(grid *gridp, vector *forward, vector *right, vector *center, int nrows, int ncols, float square_size);
  75 grid *create_default_grid(void);
  76 void render_grid(grid *gridp);
  77 void modify_grid(grid *gridp);
  78 void rpd_line(vector *v0, vector *v1);
  79 void grid_render_elevation_line(vector *pos, grid* gridp);
  80
  81 #endif
  82