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godot/scene/3d/light.cpp
Juan Linietsky 04c749a1f0 New API for visibility in both CanvasItem and Spatial 
visible (property) - access set_visible(bool) is_visible()
is_visible_in_tree() - true when visible and parents visible
show() hide() - for convenience
2017-01-13 10:45:50 -03:00

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/*************************************************************************/
/* light.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "light.h"
#include "globals.h"
#include "scene/resources/surface_tool.h"
#include "baked_light_instance.h"
bool Light::_can_gizmo_scale() const {
return false;
}
void Light::set_param(Param p_param, float p_value) {
ERR_FAIL_INDEX(p_param,PARAM_MAX);
param[p_param]=p_value;
VS::get_singleton()->light_set_param(light,VS::LightParam(p_param),p_value);
if (p_param==PARAM_SPOT_ANGLE || p_param==PARAM_RANGE) {
update_gizmo();;
}
}
float Light::get_param(Param p_param) const{
ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0);
return param[p_param];
}
void Light::set_shadow(bool p_enable){
shadow=p_enable;
VS::get_singleton()->light_set_shadow(light,p_enable);
}
bool Light::has_shadow() const{
return shadow;
}
void Light::set_negative(bool p_enable){
negative=p_enable;
VS::get_singleton()->light_set_negative(light,p_enable);
}
bool Light::is_negative() const{
return negative;
}
void Light::set_cull_mask(uint32_t p_cull_mask){
cull_mask=p_cull_mask;
VS::get_singleton()->light_set_cull_mask(light,p_cull_mask);
}
uint32_t Light::get_cull_mask() const{
return cull_mask;
}
void Light::set_color(const Color& p_color){
color=p_color;
VS::get_singleton()->light_set_color(light,p_color);
}
Color Light::get_color() const{
return color;
}
void Light::set_shadow_color(const Color& p_shadow_color){
shadow_color=p_shadow_color;
VS::get_singleton()->light_set_shadow_color(light,p_shadow_color);
}
Color Light::get_shadow_color() const{
return shadow_color;
}
Rect3 Light::get_aabb() const {
if (type==VisualServer::LIGHT_DIRECTIONAL) {
return Rect3( Vector3(-1,-1,-1), Vector3(2, 2, 2 ) );
} else if (type==VisualServer::LIGHT_OMNI) {
return Rect3( Vector3(-1,-1,-1) * param[PARAM_RANGE], Vector3(2, 2, 2 ) * param[PARAM_RANGE]);
} else if (type==VisualServer::LIGHT_SPOT) {
float len=param[PARAM_RANGE];
float size=Math::tan(Math::deg2rad(param[PARAM_SPOT_ANGLE]))*len;
return Rect3( Vector3( -size,-size,-len ), Vector3( size*2, size*2, len ) );
}
return Rect3();
}
PoolVector<Face3> Light::get_faces(uint32_t p_usage_flags) const {
return PoolVector<Face3>();
}
void Light::_update_visibility() {
if (!is_inside_tree())
return;
bool editor_ok=true;
#ifdef TOOLS_ENABLED
if (editor_only) {
if (!get_tree()->is_editor_hint()) {
editor_ok=false;
} else {
editor_ok = (get_tree()->get_edited_scene_root() && (this==get_tree()->get_edited_scene_root() || get_owner()==get_tree()->get_edited_scene_root()));
}
}
#else
if (editor_only) {
editor_ok=false;
}
#endif
//VS::get_singleton()->instance_light_set_enabled(get_instance(),is_visible_in_tree() && editor_ok);
_change_notify("geometry/visible");
}
void Light::_notification(int p_what) {
if (p_what==NOTIFICATION_VISIBILITY_CHANGED) {
_update_visibility();
}
if (p_what==NOTIFICATION_ENTER_TREE) {
_update_visibility();
Node *node = this;
while(node) {
baked_light=node->cast_to<BakedLight>();
if (baked_light) {
baked_light->lights.insert(this);
break;
}
node=node->get_parent();
}
}
if (p_what==NOTIFICATION_EXIT_TREE) {
if (baked_light) {
baked_light->lights.erase(this);
}
}
}
void Light::set_editor_only(bool p_editor_only) {
editor_only=p_editor_only;
_update_visibility();
}
bool Light::is_editor_only() const{
return editor_only;
}
void Light::_bind_methods() {
ClassDB::bind_method(_MD("set_editor_only","editor_only"), &Light::set_editor_only );
ClassDB::bind_method(_MD("is_editor_only"), &Light::is_editor_only );
ClassDB::bind_method(_MD("set_param","param","value"), &Light::set_param );
ClassDB::bind_method(_MD("get_param","param"), &Light::get_param );
ClassDB::bind_method(_MD("set_shadow","enabled"), &Light::set_shadow );
ClassDB::bind_method(_MD("has_shadow"), &Light::has_shadow );
ClassDB::bind_method(_MD("set_negative","enabled"), &Light::set_negative );
ClassDB::bind_method(_MD("is_negative"), &Light::is_negative );
ClassDB::bind_method(_MD("set_cull_mask","cull_mask"), &Light::set_cull_mask );
ClassDB::bind_method(_MD("get_cull_mask"), &Light::get_cull_mask );
ClassDB::bind_method(_MD("set_color","color"), &Light::set_color );
ClassDB::bind_method(_MD("get_color"), &Light::get_color );
ClassDB::bind_method(_MD("set_shadow_color","shadow_color"), &Light::set_shadow_color );
ClassDB::bind_method(_MD("get_shadow_color"), &Light::get_shadow_color );
ADD_GROUP("Light","light_");
ADD_PROPERTY( PropertyInfo( Variant::COLOR, "light_color",PROPERTY_HINT_COLOR_NO_ALPHA), _SCS("set_color"), _SCS("get_color"));
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "light_energy",PROPERTY_HINT_RANGE,"0,16,0.01"), _SCS("set_param"), _SCS("get_param"), PARAM_ENERGY);
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "light_negative"), _SCS("set_negative"), _SCS("is_negative"));
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "light_specular",PROPERTY_HINT_RANGE,"0,1,0.01"), _SCS("set_param"), _SCS("get_param"), PARAM_SPECULAR);
ADD_PROPERTY( PropertyInfo( Variant::INT, "light_cull_mask",PROPERTY_HINT_LAYERS_3D_RENDER), _SCS("set_cull_mask"), _SCS("get_cull_mask"));
ADD_GROUP("Shadow","shadow_");
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "shadow_enabled"), _SCS("set_shadow"), _SCS("has_shadow"));
ADD_PROPERTY( PropertyInfo( Variant::COLOR, "shadow_color",PROPERTY_HINT_COLOR_NO_ALPHA), _SCS("set_shadow_color"), _SCS("get_shadow_color"));
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "shadow_bias",PROPERTY_HINT_RANGE,"-16,16,0.01"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_BIAS);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "shadow_max_distance",PROPERTY_HINT_RANGE,"0,65536,0.1"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_MAX_DISTANCE);
ADD_GROUP("Editor","");
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "editor_only"), _SCS("set_editor_only"), _SCS("is_editor_only"));
ADD_GROUP("","");
BIND_CONSTANT( PARAM_ENERGY );
BIND_CONSTANT( PARAM_SPECULAR );
BIND_CONSTANT( PARAM_RANGE );
BIND_CONSTANT( PARAM_ATTENUATION );
BIND_CONSTANT( PARAM_SPOT_ANGLE );
BIND_CONSTANT( PARAM_SPOT_ATTENUATION );
BIND_CONSTANT( PARAM_SHADOW_MAX_DISTANCE );
BIND_CONSTANT( PARAM_SHADOW_SPLIT_1_OFFSET );
BIND_CONSTANT( PARAM_SHADOW_SPLIT_2_OFFSET );
BIND_CONSTANT( PARAM_SHADOW_SPLIT_3_OFFSET );
BIND_CONSTANT( PARAM_SHADOW_NORMAL_BIAS );
BIND_CONSTANT( PARAM_SHADOW_BIAS );
BIND_CONSTANT( PARAM_SHADOW_BIAS_SPLIT_SCALE );
BIND_CONSTANT( PARAM_MAX );
}
Light::Light(VisualServer::LightType p_type) {
type=p_type;
light=VisualServer::get_singleton()->light_create(p_type);
VS::get_singleton()->instance_set_base(get_instance(),light);
baked_light=NULL;
editor_only=false;
set_color(Color(1,1,1,1));
set_shadow(false);
set_negative(false);
set_cull_mask(0xFFFFFFFF);
set_param(PARAM_ENERGY,1);
set_param(PARAM_SPECULAR,0.5);
set_param(PARAM_RANGE,5);
set_param(PARAM_ATTENUATION,1);
set_param(PARAM_SPOT_ANGLE,45);
set_param(PARAM_SPOT_ATTENUATION,1);
set_param(PARAM_SHADOW_MAX_DISTANCE,0);
set_param(PARAM_SHADOW_SPLIT_1_OFFSET,0.1);
set_param(PARAM_SHADOW_SPLIT_2_OFFSET,0.2);
set_param(PARAM_SHADOW_SPLIT_3_OFFSET,0.5);
set_param(PARAM_SHADOW_NORMAL_BIAS,0.1);
set_param(PARAM_SHADOW_BIAS,0.1);
set_param(PARAM_SHADOW_BIAS_SPLIT_SCALE,0.1);
}
Light::Light() {
type=VisualServer::LIGHT_DIRECTIONAL;
ERR_PRINT("Light shouldn't be instanced dircetly, use the subtypes.");
}
Light::~Light() {
VS::get_singleton()->instance_set_base(get_instance(),RID());
if (light.is_valid())
VisualServer::get_singleton()->free(light);
}
/////////////////////////////////////////
void DirectionalLight::set_shadow_mode(ShadowMode p_mode) {
shadow_mode=p_mode;
VS::get_singleton()->light_directional_set_shadow_mode(light,VS::LightDirectionalShadowMode(p_mode));
}
DirectionalLight::ShadowMode DirectionalLight::get_shadow_mode() const {
return shadow_mode;
}
void DirectionalLight::set_blend_splits(bool p_enable) {
blend_splits=p_enable;
VS::get_singleton()->light_directional_set_blend_splits(light,p_enable);
}
bool DirectionalLight::is_blend_splits_enabled() const {
return blend_splits;
}
void DirectionalLight::_bind_methods() {
ClassDB::bind_method( _MD("set_shadow_mode","mode"),&DirectionalLight::set_shadow_mode);
ClassDB::bind_method( _MD("get_shadow_mode"),&DirectionalLight::get_shadow_mode);
ClassDB::bind_method( _MD("set_blend_splits","enabled"),&DirectionalLight::set_blend_splits);
ClassDB::bind_method( _MD("is_blend_splits_enabled"),&DirectionalLight::is_blend_splits_enabled);
ADD_GROUP("Directional Shadow","directional_shadow_");
ADD_PROPERTY( PropertyInfo( Variant::INT, "directional_shadow_mode",PROPERTY_HINT_ENUM,"Orthogonal,PSSM 2 Splits,PSSM 4 Splits"), _SCS("set_shadow_mode"), _SCS("get_shadow_mode"));
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "directional_shadow_split_1",PROPERTY_HINT_RANGE,"0,1,0.001"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_SPLIT_1_OFFSET);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "directional_shadow_split_2",PROPERTY_HINT_RANGE,"0,1,0.001"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_SPLIT_2_OFFSET);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "directional_shadow_split_3",PROPERTY_HINT_RANGE,"0,1,0.001"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_SPLIT_3_OFFSET);
ADD_PROPERTY( PropertyInfo( Variant::BOOL, "directional_shadow_blend_splits"), _SCS("set_blend_splits"), _SCS("is_blend_splits_enabled"));
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "directional_shadow_normal_bias",PROPERTY_HINT_RANGE,"0,16,0.01"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_NORMAL_BIAS);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "directional_shadow_bias_split_scale",PROPERTY_HINT_RANGE,"0,16,0.01"), _SCS("set_param"), _SCS("get_param"), PARAM_SHADOW_BIAS_SPLIT_SCALE);
BIND_CONSTANT( SHADOW_ORTHOGONAL );
BIND_CONSTANT( SHADOW_PARALLEL_2_SPLITS );
BIND_CONSTANT( SHADOW_PARALLEL_4_SPLITS );
}
DirectionalLight::DirectionalLight() : Light( VisualServer::LIGHT_DIRECTIONAL ) {
set_shadow_mode(SHADOW_PARALLEL_4_SPLITS);
blend_splits=false;
}
void OmniLight::set_shadow_mode(ShadowMode p_mode) {
shadow_mode=p_mode;
VS::get_singleton()->light_omni_set_shadow_mode(light,VS::LightOmniShadowMode(p_mode));
}
OmniLight::ShadowMode OmniLight::get_shadow_mode() const{
return shadow_mode;
}
void OmniLight::set_shadow_detail(ShadowDetail p_detail){
shadow_detail=p_detail;
VS::get_singleton()->light_omni_set_shadow_detail(light,VS::LightOmniShadowDetail(p_detail));
}
OmniLight::ShadowDetail OmniLight::get_shadow_detail() const{
return shadow_detail;
}
void OmniLight::_bind_methods() {
ClassDB::bind_method( _MD("set_shadow_mode","mode"),&OmniLight::set_shadow_mode);
ClassDB::bind_method( _MD("get_shadow_mode"),&OmniLight::get_shadow_mode);
ClassDB::bind_method( _MD("set_shadow_detail","detail"),&OmniLight::set_shadow_detail);
ClassDB::bind_method( _MD("get_shadow_detail"),&OmniLight::get_shadow_detail);
ADD_GROUP("Omni","omni_");
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "omni_range",PROPERTY_HINT_RANGE,"0,65536,0.1"), _SCS("set_param"), _SCS("get_param"), PARAM_RANGE);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "omni_attenuation",PROPERTY_HINT_EXP_EASING), _SCS("set_param"), _SCS("get_param"), PARAM_ATTENUATION);
ADD_PROPERTY( PropertyInfo( Variant::INT, "omni_shadow_mode",PROPERTY_HINT_ENUM,"Dual Paraboloid,Cube"), _SCS("set_shadow_mode"), _SCS("get_shadow_mode"));
ADD_PROPERTY( PropertyInfo( Variant::INT, "omni_shadow_detail",PROPERTY_HINT_ENUM,"Vertical,Horizontal"), _SCS("set_shadow_detail"), _SCS("get_shadow_detail"));
}
OmniLight::OmniLight() : Light( VisualServer::LIGHT_OMNI ) {
set_shadow_mode(SHADOW_DUAL_PARABOLOID);
set_shadow_detail(SHADOW_DETAIL_HORIZONTAL);
}
void SpotLight::_bind_methods() {
ADD_GROUP("Spot","spot_");
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "spot_range",PROPERTY_HINT_RANGE,"0,65536,0.1"), _SCS("set_param"), _SCS("get_param"), PARAM_RANGE);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "spot_attenuation",PROPERTY_HINT_EXP_EASING), _SCS("set_param"), _SCS("get_param"), PARAM_ATTENUATION);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "spot_angle",PROPERTY_HINT_RANGE,"0,180,0.1"), _SCS("set_param"), _SCS("get_param"), PARAM_SPOT_ANGLE);
ADD_PROPERTYI( PropertyInfo( Variant::REAL, "spot_angle_attenuation",PROPERTY_HINT_EXP_EASING), _SCS("set_param"), _SCS("get_param"), PARAM_SPOT_ATTENUATION);
}
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