PointFile.cpp

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/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  

Doom 3 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 3 of the License, or
(at your option) any later version.

Doom 3 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#include "../../idlib/precompiled.h"
#pragma hdrstop

#include "qe3.h"

#define MAX_POINTFILE   8192
static idVec3   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)
{
        idVec3  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], g_pParentWnd->GetCamera()->Camera().origin);
        VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetXYWnd()->GetOrigin());
        VectorSubtract (s_pointvecs[s_check_point+1], g_pParentWnd->GetCamera()->Camera().origin, dir);
        dir.Normalize();
        g_pParentWnd->GetCamera()->Camera().angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
        g_pParentWnd->GetCamera()->Camera().angles[0] = asin (dir[2])*180/3.14159;

        Sys_UpdateWindows (W_ALL);
}

// advance camera to previous point
void Pointfile_Prev (void)
{
        idVec3  dir;

        if ( s_check_point == 0)
        {
                Sys_Status ("Start of pointfile", 0);
                return;
        }
        s_check_point--;
        VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetCamera()->Camera().origin);
        VectorCopy (s_pointvecs[s_check_point], g_pParentWnd->GetXYWnd()->GetOrigin());
        VectorSubtract (s_pointvecs[s_check_point+1], g_pParentWnd->GetCamera()->Camera().origin, dir);
        dir.Normalize();
        g_pParentWnd->GetCamera()->Camera().angles[1] = atan2 (dir[1], dir[0])*180/3.14159;
        g_pParentWnd->GetCamera()->Camera().angles[0] = asin (dir[2])*180/3.14159;

        Sys_UpdateWindows (W_ALL);
}

void WINAPI Pointfile_Check (void)
{
        char    name[1024];
        FILE    *f;
        idVec3  v;

        strcpy (name, currentmap);
        StripExtension (name);
        strcat (name, ".lin");

        f = fopen (name, "r");
        if (!f)
                return;

        common->Printf ("Reading pointfile %s\n", name);

        if (!g_qeglobals.d_pointfile_display_list)
                g_qeglobals.d_pointfile_display_list = qglGenLists(1);

        s_num_points = 0;
  qglNewList (g_qeglobals.d_pointfile_display_list,  GL_COMPILE);
        qglColor3f (1, 0, 0);
        qglDisable(GL_TEXTURE_2D);
        qglDisable(GL_TEXTURE_1D);
        qglLineWidth (2);
        qglBegin(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++;
                }
                qglVertex3fv( v.ToFloatPtr() );
        } while (1);
        qglEnd();
        qglLineWidth (0.5);
        qglEndList ();

        s_check_point = 0;
        fclose (f);
        //Pointfile_Next ();
}

void Pointfile_Draw( void )
{
        int i;

        qglColor3f( 1.0F, 0.0F, 0.0F );
        qglDisable(GL_TEXTURE_2D);
        qglDisable(GL_TEXTURE_1D);
        qglLineWidth (2);
        qglBegin(GL_LINE_STRIP);
        for ( i = 0; i < s_num_points; i++ )
        {
                qglVertex3fv( s_pointvecs[i].ToFloatPtr() );
        }
        qglEnd();
        qglLineWidth( 0.5 );
}

void Pointfile_Clear (void)
{
        if (!g_qeglobals.d_pointfile_display_list)
                return;

        qglDeleteLists (g_qeglobals.d_pointfile_display_list, 1);
        g_qeglobals.d_pointfile_display_list = 0;
        Sys_UpdateWindows (W_ALL);
}