88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Functions for changing viewer's position
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*
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*/
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#include "editor.h"
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#include "editor/esegment.h"
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#include "editor/medmisc.h"
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#include "kdefs.h"
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// ---------- zoom control on current window ----------
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int ZoomIn()
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{
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if (!current_view) return 0.0;
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current_view->ev_zoom = fixmul(current_view->ev_zoom,62259);
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current_view->ev_changed = 1;
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return 1;
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}
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int ZoomOut()
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{
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if (!current_view) return 0.0;
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current_view->ev_zoom = fixmul(current_view->ev_zoom,68985);
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current_view->ev_changed = 1;
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return 1;
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}
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// ---------- distance-of-viewer control on current window ----------
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int MoveCloser()
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{
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if (!current_view) return 0.0;
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current_view->ev_dist = fixmul(current_view->ev_dist,62259);
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current_view->ev_changed = 1;
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return 1;
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}
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int MoveAway()
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{
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if (!current_view) return 0.0;
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current_view->ev_dist = fixmul(current_view->ev_dist,68985);
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current_view->ev_changed = 1;
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return 1;
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}
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// ---------- Toggle chase mode. ----------
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int ToggleChaseMode()
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{
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Funky_chase_mode = !Funky_chase_mode;
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auto &LevelSharedVertexState = LevelSharedSegmentState.get_vertex_state();
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auto &Vertices = LevelSharedVertexState.get_vertices();
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auto &vcvertptr = Vertices.vcptr;
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set_view_target_from_segment(vcvertptr, Cursegp);
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if (Funky_chase_mode == 1) {
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diagnostic_message("Chase mode ON.");
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}
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if (Funky_chase_mode == 0) {
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diagnostic_message("Chase mode OFF.");
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}
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return Funky_chase_mode;
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}
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