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virtualx-engine/scene/gui/range.cpp
Juan Linietsky 0dbedd18fc SceneMainLoop -> SceneTree 
-=-=-=-=-=-=-=-=-=-=-=-=-=-

*YOUR SOURCE MIGHT NOT WORK*
For mor information on fix:
https://github.com/okamstudio/godot/wiki/devel_scene_tree

Other stuff:
-Shower of bullets demo
-Fixes all around
2014-11-05 21:20:42 -03:00

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/*************************************************************************/
/* range.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "range.h"
void Range::_value_changed_notify() {
_value_changed(shared->val);
emit_signal("value_changed",shared->val);
update();
_change_notify("range/value");
}
void Range::Shared::emit_value_changed() {
for (Set<Range*>::Element *E=owners.front();E;E=E->next()) {
Range *r=E->get();
if (!r->is_inside_tree())
continue;
r->_value_changed_notify();
}
}
void Range::_changed_notify() {
emit_signal("changed",shared->val);
update();
_change_notify();
}
void Range::Shared::emit_changed() {
for (Set<Range*>::Element *E=owners.front();E;E=E->next()) {
Range *r=E->get();
if (!r->is_inside_tree())
continue;
r->_changed_notify();
}
}
void Range::set_val(double p_val) {
if(_rounded_values){
p_val = Math::round(p_val);
}
if (p_val>shared->max-shared->page)
p_val=shared->max-shared->page;
if (p_val<shared->min)
p_val=shared->min;
if (shared->val==p_val)
return;
shared->val=p_val;
shared->emit_value_changed();
}
void Range::set_min(double p_min) {
shared->min=p_min;
set_val(shared->val);
shared->emit_changed();
}
void Range::set_max(double p_max) {
shared->max=p_max;
set_val(shared->val);
shared->emit_changed();
}
void Range::set_step(double p_step) {
shared->step=p_step;
shared->emit_changed();
}
void Range::set_page(double p_page) {
shared->page=p_page;
set_val(shared->val);
shared->emit_changed();
}
double Range::get_val() const {
return shared->val;
}
double Range::get_min() const {
return shared->min;
}
double Range::get_max() const {
return shared->max;
}
double Range::get_step() const {
return shared->step;
}
double Range::get_page() const {
return shared->page;
}
void Range::set_unit_value(double p_value) {
if (shared->exp_unit_value && get_min()>0) {
double exp_min = Math::log(get_min())/Math::log(2);
double exp_max = Math::log(get_max())/Math::log(2);
double v = Math::pow(2,exp_min+(exp_max-exp_min)*p_value);
set_val( v );
} else {
set_val( (get_max() - get_min()) * p_value + get_min() );
}
}
double Range::get_unit_value() const {
if (shared->exp_unit_value && get_min()>0) {
double exp_min = Math::log(get_min())/Math::log(2);
double exp_max = Math::log(get_max())/Math::log(2);
double v = Math::log(get_val())/Math::log(2);
return (v - exp_min) / (exp_max - exp_min);
} else {
return (get_val() - get_min()) / (get_max() - get_min());
}
}
void Range::_share(Node *p_range) {
Range * r = p_range->cast_to<Range>();
ERR_FAIL_COND(!r);
share(r);
}
void Range::share(Range *p_range) {
ERR_FAIL_NULL(p_range);
p_range->_ref_shared(shared);
p_range->_changed_notify();
p_range->_value_changed_notify();
}
void Range::unshare() {
Shared * nshared = memnew(Shared);
nshared->min=shared->min;
nshared->max=shared->max;
nshared->val=shared->val;
nshared->step=shared->step;
nshared->page=shared->page;
_unref_shared();
_ref_shared(nshared);
}
void Range::_ref_shared(Shared *p_shared) {
if (shared && p_shared==shared)
return;
_unref_shared();
shared=p_shared;
shared->owners.insert(this);
}
void Range::_unref_shared() {
shared->owners.erase(this);
if (shared->owners.size()==0) {
memdelete(shared);
shared=NULL;
}
}
void Range::_bind_methods() {
ObjectTypeDB::bind_method(_MD("get_val"),&Range::get_val);
ObjectTypeDB::bind_method(_MD("get_value"),&Range::get_val);
ObjectTypeDB::bind_method(_MD("get_min"),&Range::get_min);
ObjectTypeDB::bind_method(_MD("get_max"),&Range::get_max);
ObjectTypeDB::bind_method(_MD("get_step"),&Range::get_step);
ObjectTypeDB::bind_method(_MD("get_page"),&Range::get_page);
ObjectTypeDB::bind_method(_MD("get_unit_value"),&Range::get_unit_value);
ObjectTypeDB::bind_method(_MD("get_rounded_values"),&Range::get_rounded_values);
ObjectTypeDB::bind_method(_MD("set_val","value"),&Range::set_val);
ObjectTypeDB::bind_method(_MD("set_value","value"),&Range::set_val);
ObjectTypeDB::bind_method(_MD("set_min","minimum"),&Range::set_min);
ObjectTypeDB::bind_method(_MD("set_max","maximum"),&Range::set_max);
ObjectTypeDB::bind_method(_MD("set_step","step"),&Range::set_step);
ObjectTypeDB::bind_method(_MD("set_page","pagesize"),&Range::set_page);
ObjectTypeDB::bind_method(_MD("set_unit_value","value"),&Range::set_unit_value);
ObjectTypeDB::bind_method(_MD("set_rounded_values"),&Range::set_rounded_values);
ObjectTypeDB::bind_method(_MD("set_exp_unit_value","enabled"),&Range::set_exp_unit_value);
ObjectTypeDB::bind_method(_MD("is_unit_value_exp"),&Range::is_unit_value_exp);
ObjectTypeDB::bind_method(_MD("share","with"),&Range::_share);
ObjectTypeDB::bind_method(_MD("unshare"),&Range::unshare);
ADD_SIGNAL( MethodInfo("value_changed", PropertyInfo(Variant::REAL,"value")));
ADD_SIGNAL( MethodInfo("changed"));
ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/min" ), _SCS("set_min"), _SCS("get_min") );
ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/max" ), _SCS("set_max"), _SCS("get_max") );
ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/step" ), _SCS("set_step"), _SCS("get_step") );
ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/page" ), _SCS("set_page"), _SCS("get_page") );
ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/value" ), _SCS("set_val"), _SCS("get_val") );
ADD_PROPERTY( PropertyInfo( Variant::REAL, "range/exp_edit" ), _SCS("set_exp_unit_value"), _SCS("is_unit_value_exp") );
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "rounded_values" ), _SCS("set_rounded_values"), _SCS("get_rounded_values") );
}
void Range::set_rounded_values(bool p){
_rounded_values = p;
}
bool Range::get_rounded_values() const{
return _rounded_values;
}
void Range::set_exp_unit_value(bool p_enable) {
shared->exp_unit_value=p_enable;
}
bool Range::is_unit_value_exp() const {
return shared->exp_unit_value;
}
Range::Range()
{
shared = memnew(Shared);
shared->min=0;
shared->max=100;
shared->val=
shared->step=1;
shared->page=0;
shared->owners.insert(this);
shared->exp_unit_value=false;
_rounded_values = false;
}
Range::~Range() {
_unref_shared();
}
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