135 lines
2.8 KiB
C
135 lines
2.8 KiB
C
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#include "qe3.h"
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#define MAX_POINTFILE 8192
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static vec3_t s_pointvecs[MAX_POINTFILE];
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static int s_num_points, s_check_point;
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void Pointfile_Delete (void)
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{
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char name[1024];
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strcpy (name, currentmap);
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StripExtension (name);
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strcat (name, ".lin");
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remove(name);
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}
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// advance camera to next point
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void Pointfile_Next (void)
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{
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vec3_t dir;
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if (s_check_point >= s_num_points-2)
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{
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Sys_Status ("End of pointfile", 0);
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return;
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}
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s_check_point++;
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VectorCopy (s_pointvecs[s_check_point], camera.origin);
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VectorCopy (s_pointvecs[s_check_point], g_qeglobals.d_xy.origin);
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VectorSubtract (s_pointvecs[s_check_point+1], camera.origin, dir);
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VectorNormalize (dir,dir);
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camera.angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
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camera.angles[0] = asin (dir[2])*180/3.14159;
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Sys_UpdateWindows (W_ALL);
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}
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// advance camera to previous point
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void Pointfile_Prev (void)
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{
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vec3_t dir;
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if ( s_check_point == 0)
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{
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Sys_Status ("Start of pointfile", 0);
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return;
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}
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s_check_point--;
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VectorCopy (s_pointvecs[s_check_point], camera.origin);
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VectorCopy (s_pointvecs[s_check_point], g_qeglobals.d_xy.origin);
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VectorSubtract (s_pointvecs[s_check_point+1], camera.origin, dir);
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VectorNormalize (dir,dir);
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camera.angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
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camera.angles[0] = asin (dir[2])*180/3.14159;
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Sys_UpdateWindows (W_ALL);
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}
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void Pointfile_Check (void)
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{
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char name[1024];
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FILE *f;
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vec3_t v;
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strcpy (name, currentmap);
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StripExtension (name);
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strcat (name, ".lin");
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f = fopen (name, "r");
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if (!f)
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return;
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Sys_Printf ("Reading pointfile %s\n", name);
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if (!g_qeglobals.d_pointfile_display_list)
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g_qeglobals.d_pointfile_display_list = glGenLists(1);
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s_num_points = 0;
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glNewList (g_qeglobals.d_pointfile_display_list, GL_COMPILE);
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glColor3f (1, 0, 0);
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_TEXTURE_1D);
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glLineWidth (4);
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glBegin(GL_LINE_STRIP);
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do
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{
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if (fscanf (f, "%f %f %f\n", &v[0], &v[1], &v[2]) != 3)
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break;
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if (s_num_points < MAX_POINTFILE)
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{
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VectorCopy (v, s_pointvecs[s_num_points]);
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s_num_points++;
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}
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glVertex3fv (v);
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} while (1);
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glEnd();
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glLineWidth (1);
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glEndList ();
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s_check_point = 0;
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fclose (f);
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Pointfile_Next ();
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}
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void Pointfile_Draw( void )
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{
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int i;
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glColor3f( 1.0F, 0.0F, 0.0F );
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_TEXTURE_1D);
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glLineWidth (4);
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glBegin(GL_LINE_STRIP);
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for ( i = 0; i < s_num_points; i++ )
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{
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glVertex3fv( s_pointvecs[i] );
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}
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glEnd();
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glLineWidth( 1 );
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}
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void Pointfile_Clear (void)
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{
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if (!g_qeglobals.d_pointfile_display_list)
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return;
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glDeleteLists (g_qeglobals.d_pointfile_display_list, 1);
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g_qeglobals.d_pointfile_display_list = 0;
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Sys_UpdateWindows (W_ALL);
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}
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