Q2Tools source - didn't import this in initially

[xonotic/netradiant.git] / tools / quake2 / extra / qe4 / points.c

diff --git a/tools/quake2/extra/qe4/points.c b/tools/quake2/extra/qe4/points.c
new file mode 100644 (file)
index 0000000..deaae48
--- /dev/null
+++ b/tools/quake2/extra/qe4/points.c
@@ -0,0 +1,155 @@
+/*
+===========================================================================
+Copyright (C) 1997-2006 Id Software, Inc.
+
+This file is part of Quake 2 Tools source code.
+
+Quake 2 Tools source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake 2 Tools source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake 2 Tools source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+#include "qe3.h"
+
+
+#define        MAX_POINTFILE   8192
+static vec3_t  s_pointvecs[MAX_POINTFILE];
+static int             s_num_points, s_check_point;
+
+void Pointfile_Delete (void)
+{
+       char    name[1024];
+
+       strcpy (name, currentmap);
+       StripExtension (name);
+       strcat (name, ".lin");
+
+       remove(name);
+}
+
+// advance camera to next point
+void Pointfile_Next (void)
+{
+       vec3_t  dir;
+
+       if (s_check_point >= s_num_points-2)
+       {
+               Sys_Status ("End of pointfile", 0);
+               return;
+       }
+       s_check_point++;
+       VectorCopy (s_pointvecs[s_check_point], camera.origin);
+       VectorCopy (s_pointvecs[s_check_point], g_qeglobals.d_xy.origin);
+       VectorSubtract (s_pointvecs[s_check_point+1], camera.origin, dir);
+       VectorNormalize (dir);
+       camera.angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
+       camera.angles[0] = asin (dir[2])*180/3.14159;
+
+       Sys_UpdateWindows (W_ALL);
+}
+
+// advance camera to previous point
+void Pointfile_Prev (void)
+{
+       vec3_t  dir;
+
+       if ( s_check_point == 0)
+       {
+               Sys_Status ("Start of pointfile", 0);
+               return;
+       }
+       s_check_point--;
+       VectorCopy (s_pointvecs[s_check_point], camera.origin);
+       VectorCopy (s_pointvecs[s_check_point], g_qeglobals.d_xy.origin);
+       VectorSubtract (s_pointvecs[s_check_point+1], camera.origin, dir);
+       VectorNormalize (dir);
+       camera.angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
+       camera.angles[0] = asin (dir[2])*180/3.14159;
+
+       Sys_UpdateWindows (W_ALL);
+}
+
+void Pointfile_Check (void)
+{
+       char    name[1024];
+       FILE    *f;
+       vec3_t  v;
+
+       strcpy (name, currentmap);
+       StripExtension (name);
+       strcat (name, ".lin");
+
+       f = fopen (name, "r");
+       if (!f)
+               return;
+
+       Sys_Printf ("Reading pointfile %s\n", name);
+
+       if (!g_qeglobals.d_pointfile_display_list)
+               g_qeglobals.d_pointfile_display_list = glGenLists(1);
+
+       s_num_points = 0;
+    glNewList (g_qeglobals.d_pointfile_display_list,  GL_COMPILE);
+       glColor3f (1, 0, 0);
+       glDisable(GL_TEXTURE_2D);
+       glDisable(GL_TEXTURE_1D);
+       glLineWidth (4);
+       glBegin(GL_LINE_STRIP);
+       do
+       {
+               if (fscanf (f, "%f %f %f\n", &v[0], &v[1], &v[2]) != 3)
+                       break;
+               if (s_num_points < MAX_POINTFILE)
+               {
+                       VectorCopy (v, s_pointvecs[s_num_points]);
+                       s_num_points++;
+               }
+               glVertex3fv (v);
+       } while (1);
+       glEnd();
+       glLineWidth (1);
+       glEndList ();
+
+       s_check_point = 0;
+       fclose (f);
+       Pointfile_Next ();
+}
+
+void Pointfile_Draw( void )
+{
+       int i;
+
+       glColor3f( 1.0F, 0.0F, 0.0F );
+       glDisable(GL_TEXTURE_2D);
+       glDisable(GL_TEXTURE_1D);
+       glLineWidth (4);
+       glBegin(GL_LINE_STRIP);
+       for ( i = 0; i < s_num_points; i++ )
+       {
+               glVertex3fv( s_pointvecs[i] );
+       }
+       glEnd();
+       glLineWidth( 1 );
+}
+
+void Pointfile_Clear (void)
+{
+       if (!g_qeglobals.d_pointfile_display_list)
+               return;
+
+       glDeleteLists (g_qeglobals.d_pointfile_display_list, 1);
+       g_qeglobals.d_pointfile_display_list = 0;
+       Sys_UpdateWindows (W_ALL);
+}
+