gtkradiant/radiant/points.cpp

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/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant 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.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "stdafx.h"
#define MAX_POINTFILE 8192
static vec3_t s_pointvecs[MAX_POINTFILE];
static int s_num_points, s_check_point;
CPointfile g_pointfile;
// CPointfile routine used by the standard code ---------------------------------
void CPointfile::Init(){
s_num_points = 0;
}
void CPointfile::PushPoint( vec3_t v ){
if ( s_num_points < MAX_POINTFILE ) {
VectorCopy( v, s_pointvecs[s_num_points] );
s_num_points++;
}
}
// create the display list at the end
void CPointfile::GenerateDisplayList(){
int i;
if ( !g_qeglobals.d_pointfile_display_list ) {
g_qeglobals.d_pointfile_display_list = qglGenLists( 1 );
}
qglNewList( g_qeglobals.d_pointfile_display_list, GL_COMPILE );
qglColor3f( 1, 0, 0 );
qglDisable( GL_TEXTURE_2D );
qglDisable( GL_TEXTURE_1D );
qglLineWidth( 4 );
qglBegin( GL_LINE_STRIP );
for ( i = 0; i < s_num_points; i++ )
{
if ( s_num_points < MAX_POINTFILE ) {
qglVertex3fv( s_pointvecs[i] );
}
}
qglEnd();
qglLineWidth( 1 );
qglEndList();
s_check_point = 0;
}
// old (but still relevant) pointfile code -------------------------------------
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], g_pParentWnd->GetCamWnd()->Camera()->origin );
VectorCopy( s_pointvecs[s_check_point], g_pParentWnd->GetXYWnd()->GetOrigin() );
VectorSubtract( s_pointvecs[s_check_point + 1], g_pParentWnd->GetCamWnd()->Camera()->origin, dir );
VectorNormalize( dir, dir );
g_pParentWnd->GetCamWnd()->Camera()->angles[1] = atan2( dir[1], dir[0] ) * 180 / 3.14159;
g_pParentWnd->GetCamWnd()->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], g_pParentWnd->GetCamWnd()->Camera()->origin );
VectorCopy( s_pointvecs[s_check_point], g_pParentWnd->GetXYWnd()->GetOrigin() );
VectorSubtract( s_pointvecs[s_check_point + 1], g_pParentWnd->GetCamWnd()->Camera()->origin, dir );
VectorNormalize( dir, dir );
g_pParentWnd->GetCamWnd()->Camera()->angles[1] = atan2( dir[1], dir[0] ) * 180 / 3.14159;
g_pParentWnd->GetCamWnd()->Camera()->angles[0] = asin( dir[2] ) * 180 / 3.14159;
Sys_UpdateWindows( W_ALL );
}
void WINAPI Pointfile_Check( void ){
char name[1024];
int size;
char *data;
char *text;
int line = 1;
vec3_t v;
strcpy( name, currentmap );
StripExtension( name );
strcat( name, ".lin" );
size = vfsLoadFullPathFile( name, (void**)&data );
if ( size <= 0 ) {
Sys_FPrintf( SYS_ERR, "Pointfile %s not found\n", name );
return;
}
// store a pointer
text = data;
Sys_Printf( "Reading pointfile %s\n", name );
g_pointfile.Init();
while ( *data )
{
if ( sscanf( data,"%f %f %f", &v[0], &v[1], &v[2] ) != 3 ) {
Sys_Printf( "Corrupt point file, line %d\n",line );
break;
}
while ( *data && *data != '\n' )
{
if ( *( data - 1 ) == ' ' && *( data ) == '-' && *( data + 1 ) == ' ' ) {
break;
}
data++;
}
// deal with zhlt style point files.
if ( *data == '-' ) {
if ( sscanf( data,"- %f %f %f", &v[0], &v[1], &v[2] ) != 3 ) {
Sys_Printf( "Corrupt point file, line %d\n",line );
break;
}
while ( *data && *data != '\n' )
data++;
}
while ( *data == '\n' )
{
data++; // skip the \n
line++;
}
g_pointfile.PushPoint( v );
}
g_free( text );
g_pointfile.GenerateDisplayList();
Sys_UpdateWindows( W_ALL );
}
void Pointfile_Draw( void ){
qglCallList( g_qeglobals.d_pointfile_display_list );
}
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 );
}
// CPointfile implementation for SAX speicific stuff -------------------------------
void CPointfile::saxStartElement( message_info_t *ctx, const xmlChar *name, const xmlChar **attrs ){
if ( strcmp( (char *)name, "polyline" ) == 0 ) {
Init();
// there's a prefs setting to avoid stopping on leak
if ( !g_PrefsDlg.m_bLeakStop ) {
ctx->stop_depth = 0;
}
}
}
void CPointfile::saxEndElement( message_info_t *ctx, const xmlChar *name ){
if ( strcmp( (char *)name, "polyline" ) == 0 ) {
// we are done
GenerateDisplayList();
ctx->bGeometry = false;
}
}
// only "point" is expected to have characters around here
void CPointfile::saxCharacters( message_info_t *ctx, const xmlChar *ch, int len ){
vec3_t v;
sscanf( (char *)ch, "%f %f %f\n", &v[0], &v[1], &v[2] );
PushPoint( v );
}
char * CPointfile::getName(){
return "Map is leaked";
}