78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/*
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Functions for changing viewer's position
|
|
*
|
|
*/
|
|
|
|
|
|
#include "inferno.h"
|
|
#include "editor.h"
|
|
#include "editor/esegment.h"
|
|
|
|
// ---------- zoom control on current window ----------
|
|
int ZoomIn()
|
|
{
|
|
if (!current_view) return 0.0;
|
|
|
|
current_view->ev_zoom = fixmul(current_view->ev_zoom,62259);
|
|
current_view->ev_changed = 1;
|
|
return 1;
|
|
}
|
|
|
|
int ZoomOut()
|
|
{
|
|
if (!current_view) return 0.0;
|
|
|
|
current_view->ev_zoom = fixmul(current_view->ev_zoom,68985);
|
|
current_view->ev_changed = 1;
|
|
return 1;
|
|
}
|
|
|
|
// ---------- distance-of-viewer control on current window ----------
|
|
int MoveCloser()
|
|
{
|
|
if (!current_view) return 0.0;
|
|
|
|
current_view->ev_dist = fixmul(current_view->ev_dist,62259);
|
|
current_view->ev_changed = 1;
|
|
return 1;
|
|
}
|
|
|
|
int MoveAway()
|
|
{
|
|
if (!current_view) return 0.0;
|
|
|
|
current_view->ev_dist = fixmul(current_view->ev_dist,68985);
|
|
current_view->ev_changed = 1;
|
|
return 1;
|
|
}
|
|
|
|
// ---------- Toggle chase mode. ----------
|
|
|
|
int ToggleChaseMode()
|
|
{
|
|
Funky_chase_mode = !Funky_chase_mode;
|
|
set_view_target_from_segment(Cursegp);
|
|
if (Funky_chase_mode == 1) {
|
|
diagnostic_message("Chase mode ON.");
|
|
}
|
|
if (Funky_chase_mode == 0) {
|
|
diagnostic_message("Chase mode OFF.");
|
|
}
|
|
return Funky_chase_mode;
|
|
}
|
|
|