Quake-III-Arena

Quake III Arena GPL Source Release
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POINTS.CPP (3957B)

      1 /*
      2 ===========================================================================
      3 Copyright (C) 1999-2005 Id Software, Inc.
      4 
      5 This file is part of Quake III Arena source code.
      6 
      7 Quake III Arena source code is free software; you can redistribute it
      8 and/or modify it under the terms of the GNU General Public License as
      9 published by the Free Software Foundation; either version 2 of the License,
     10 or (at your option) any later version.
     11 
     12 Quake III Arena source code is distributed in the hope that it will be
     13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 GNU General Public License for more details.
     16 
     17 You should have received a copy of the GNU General Public License
     18 along with Foobar; if not, write to the Free Software
     19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     20 ===========================================================================
     21 */
     22 #include "stdafx.h"
     23 
     24 #include "qe3.h"
     25 
     26 
     27 #define	MAX_POINTFILE	8192
     28 static vec3_t	s_pointvecs[MAX_POINTFILE];
     29 static int		s_num_points, s_check_point;
     30 
     31 void Pointfile_Delete (void)
     32 {
     33 	char	name[1024];
     34 
     35 	strcpy (name, currentmap);
     36 	StripExtension (name);
     37 	strcat (name, ".lin");
     38 
     39 	remove(name);
     40 }
     41 
     42 // advance camera to next point
     43 void Pointfile_Next (void)
     44 {
     45 	vec3_t	dir;
     46 
     47 	if (s_check_point >= s_num_points-2)
     48 	{
     49 		Sys_Status ("End of pointfile", 0);
     50 		return;
     51 	}
     52 	s_check_point++;
     53 	VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetCamera()->Camera().origin);
     54 	VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetXYWnd()->GetOrigin());
     55 	VectorSubtract (s_pointvecs[s_check_point+1], g_pParentWnd->GetCamera()->Camera().origin, dir);
     56 	VectorNormalize (dir);
     57 	g_pParentWnd->GetCamera()->Camera().angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
     58 	g_pParentWnd->GetCamera()->Camera().angles[0] = asin (dir[2])*180/3.14159;
     59 
     60 	Sys_UpdateWindows (W_ALL);
     61 }
     62 
     63 // advance camera to previous point
     64 void Pointfile_Prev (void)
     65 {
     66 	vec3_t	dir;
     67 
     68 	if ( s_check_point == 0)
     69 	{
     70 		Sys_Status ("Start of pointfile", 0);
     71 		return;
     72 	}
     73 	s_check_point--;
     74 	VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetCamera()->Camera().origin);
     75 	VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetXYWnd()->GetOrigin());
     76 	VectorSubtract (s_pointvecs[s_check_point+1], g_pParentWnd->GetCamera()->Camera().origin, dir);
     77 	VectorNormalize (dir);
     78 	g_pParentWnd->GetCamera()->Camera().angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
     79 	g_pParentWnd->GetCamera()->Camera().angles[0] = asin (dir[2])*180/3.14159;
     80 
     81 	Sys_UpdateWindows (W_ALL);
     82 }
     83 
     84 void WINAPI Pointfile_Check (void)
     85 {
     86 	char	name[1024];
     87 	FILE	*f;
     88 	vec3_t	v;
     89 
     90 	strcpy (name, currentmap);
     91 	StripExtension (name);
     92 	strcat (name, ".lin");
     93 
     94 	f = fopen (name, "r");
     95 	if (!f)
     96 		return;
     97 
     98 	Sys_Printf ("Reading pointfile %s\n", name);
     99 
    100 	if (!g_qeglobals.d_pointfile_display_list)
    101 		g_qeglobals.d_pointfile_display_list = qglGenLists(1);
    102 
    103 	s_num_points = 0;
    104   qglNewList (g_qeglobals.d_pointfile_display_list,  GL_COMPILE);
    105 	qglColor3f (1, 0, 0);
    106 	qglDisable(GL_TEXTURE_2D);
    107 	qglDisable(GL_TEXTURE_1D);
    108 	qglLineWidth (4);
    109 	qglBegin(GL_LINE_STRIP);
    110 	do
    111 	{
    112 		if (fscanf (f, "%f %f %f\n", &v[0], &v[1], &v[2]) != 3)
    113 			break;
    114 		if (s_num_points < MAX_POINTFILE)
    115 		{
    116 			VectorCopy (v, s_pointvecs[s_num_points]);
    117 			s_num_points++;
    118 		}
    119 		qglVertex3fv (v);
    120 	} while (1);
    121 	qglEnd();
    122 	qglLineWidth (1);
    123 	qglEndList ();
    124 
    125 	s_check_point = 0;
    126 	fclose (f);
    127 	//Pointfile_Next ();
    128 }
    129 
    130 void Pointfile_Draw( void )
    131 {
    132 	int i;
    133 
    134 	qglColor3f( 1.0F, 0.0F, 0.0F );
    135 	qglDisable(GL_TEXTURE_2D);
    136 	qglDisable(GL_TEXTURE_1D);
    137 	qglLineWidth (4);
    138 	qglBegin(GL_LINE_STRIP);
    139 	for ( i = 0; i < s_num_points; i++ )
    140 	{
    141 		qglVertex3fv( s_pointvecs[i] );
    142 	}
    143 	qglEnd();
    144 	qglLineWidth( 1 );
    145 }
    146 
    147 void Pointfile_Clear (void)
    148 {
    149 	if (!g_qeglobals.d_pointfile_display_list)
    150 		return;
    151 
    152 	qglDeleteLists (g_qeglobals.d_pointfile_display_list, 1);
    153 	g_qeglobals.d_pointfile_display_list = 0;
    154 	Sys_UpdateWindows (W_ALL);
    155 }
    156