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https://git.code.sf.net/p/quake/quakeforge
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108 lines
2.3 KiB
Text
108 lines
2.3 KiB
Text
// zoom.gib
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//
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// zoom script for GIB in QuakeForge 0.5.3
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//
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// Copyright (C) 2002,2003 Brian Koropoff
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to:
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//
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// Free Software Foundation, Inc.
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// 59 Temple Place - Suite 330
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// Boston, MA 02111-1307, USA
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//
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domain zoom
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global rcsid = "$Id$"
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global amp
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global fov
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global min
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global max
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global step
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global mult
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global zoomed
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// zoom::clamp returns the second argument clamped
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// between the first and third
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function zoom::clamp {
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if ($args[2] < $args[1]) {
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return $args[1]
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} else if ($args[2] > $args[3]) {
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return $args[3]
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} else return $args[2]
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}
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function zoom::init { // Initialize basic options
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if (#args != 6) {
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print "Usage: ", $args[0], " base_amp base_fov min_zoom max_zoom zoom_step\n"
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return
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}
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amp = $args[1]
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fov = $args[2]
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min = $args[3]
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max = $args[4]
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step = $args[5]
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mult = $min
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zoomed = 0
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set fov $fov
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set in_amp $amp
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}
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// Default initial values
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zoom::init 1 90 1.15 90 1.15
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function zoom::adjust { // Adjust fov and sensitivity to match zoom factor
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if $zoomed {
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set fov ($fov/$mult)
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set in_amp ($amp/$mult)
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} else {
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set fov $fov
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set in_amp $amp
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}
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}
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function zoom::in {
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zoomed = 1
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zoom::adjust
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}
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function zoom::out {
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zoomed = 0
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zoom::adjust
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}
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function zoom::toggle {
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zoomed = (!$zoomed)
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zoom::adjust
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}
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function zoom::increase {
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ifnot $zoomed {
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return
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}
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mult = `zoom::clamp $min ($mult*$step) $max`
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zoom::adjust
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}
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function zoom::decrease {
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ifnot $zoomed {
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return
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}
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mult = `zoom::clamp $min ($mult/$step) $max`
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zoom::adjust
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}
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function::export zoom::init zoom::increase zoom::decrease zoom::in zoom::out zoom::toggle
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