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virtualx-engine/editor/plugins/baked_light_editor_plugin.cpp
Hein-Pieter van Braam cacced7e50 Convert Object::cast_to() to the static version 
Currently we rely on some undefined behavior when Object->cast_to() gets
called with a Null pointer. This used to work fine with GCC < 6 but
newer versions of GCC remove all codepaths in which the this pointer is
Null. However, the non-static cast_to() was supposed to be null safe.

This patch makes cast_to() Null safe and removes the now redundant Null
checks where they existed.

It is explained in this article: https://www.viva64.com/en/b/0226/
2017-08-24 23:08:24 +02:00

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/*************************************************************************/
/* baked_light_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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 "baked_light_editor_plugin.h"
#include "io/marshalls.h"
#include "io/resource_saver.h"
#include "scene/3d/mesh_instance.h"
#include "scene/gui/box_container.h"
#if 0
void BakedLightEditor::_end_baking() {
baker->clear();
set_process(false);
button_bake->set_pressed(false);
bake_info->set_text("");
}
void BakedLightEditor::_node_removed(Node *p_node) {
if(p_node==node) {
_end_baking();
node=NULL;
hide();
}
}
void BakedLightEditor::_notification(int p_option) {
if (p_option==NOTIFICATION_ENTER_TREE) {
button_bake->set_icon(get_icon("Bake","EditorIcons"));
button_reset->set_icon(get_icon("Reload","EditorIcons"));
button_make_lightmaps->set_icon(get_icon("LightMap","EditorIcons"));
}
if (p_option==NOTIFICATION_PROCESS) {
if (baker->is_baking() && !baker->is_paused()) {
update_timeout-=get_process_delta_time();
if (update_timeout<0) {
if (baker->get_baked_light()!=node->get_baked_light()) {
_end_baking();
return;
}
uint64_t t = OS::get_singleton()->get_ticks_msec();
#ifdef DEBUG_CUBES
double norm = baker->get_normalization();
float max_lum=0;
{
PoolVector<Color>::Write cw=colors.write();
BakedLightBaker::Octant *octants=baker->octant_pool.ptr();
BakedLightBaker::Octant *oct = &octants[baker->leaf_list];
int vert_idx=0;
while(oct) {
Color colors[8];
for(int i=0;i<8;i++) {
colors[i].r=oct->light_accum[i][0]/norm;
colors[i].g=oct->light_accum[i][1]/norm;
colors[i].b=oct->light_accum[i][2]/norm;
float lum = colors[i].get_v();
/*
if (lum<0.05)
color.a=0;
*/
if (lum>max_lum)
max_lum=lum;
}
static const int vert2cub[36]={7,3,1,1,5,7,7,6,2,2,3,7,7,5,4,4,6,7,2,6,4,4,0,2,4,5,1,1,0,4,1,3,2,2,0,1};
for (int i=0;i<36;i++) {
cw[vert_idx++]=colors[vert2cub[i]];
}
if (oct->next_leaf)
oct=&octants[oct->next_leaf];
else
oct=NULL;
}
}
print_line("MSCOL: "+itos(OS::get_singleton()->get_ticks_msec()-t));
t = OS::get_singleton()->get_ticks_msec();
Array a;
a.resize(Mesh::ARRAY_MAX);
a[Mesh::ARRAY_VERTEX]=vertices;
a[Mesh::ARRAY_COLOR]=colors;
while(mesh->get_surface_count())
mesh->surface_remove(0);
mesh->add_surface(Mesh::PRIMITIVE_TRIANGLES,a);
mesh->surface_set_material(0,material);
#endif
ERR_FAIL_COND(node->get_baked_light().is_null());
baker->update_octree_images(octree_texture,light_texture);
baker->update_octree_sampler(octree_sampler);
//print_line("sampler size: "+itos(octree_sampler.size()*4));
#if 1
//debug
Image img(baker->baked_octree_texture_w,baker->baked_octree_texture_h,0,Image::FORMAT_RGBA8,octree_texture);
Ref<ImageTexture> it = memnew( ImageTexture );
it->create_from_image(img);
ResourceSaver::save("baked_octree.png",it);
#endif
uint64_t rays_snap = baker->get_rays_thrown();
int rays_sec = (rays_snap-last_rays_time)*1.0-(update_timeout);
last_rays_time=rays_snap;
bake_info->set_text("rays/s: "+itos(rays_sec));
update_timeout=1;
print_line("MSUPDATE: "+itos(OS::get_singleton()->get_ticks_msec()-t));
t=OS::get_singleton()->get_ticks_msec();
node->get_baked_light()->set_octree(octree_texture);
node->get_baked_light()->set_light(light_texture);
node->get_baked_light()->set_sampler_octree(octree_sampler);
node->get_baked_light()->set_edited(true);
print_line("MSSET: "+itos(OS::get_singleton()->get_ticks_msec()-t));
}
}
}
}
void BakedLightEditor::_menu_option(int p_option) {
switch(p_option) {
case MENU_OPTION_BAKE: {
ERR_FAIL_COND(!node);
ERR_FAIL_COND(node->get_baked_light().is_null());
baker->bake(node->get_baked_light(),node);
node->get_baked_light()->set_mode(BakedLight::MODE_OCTREE);
update_timeout=0;
set_process(true);
} break;
case MENU_OPTION_CLEAR: {
} break;
}
}
void BakedLightEditor::_bake_pressed() {
ERR_FAIL_COND(!node);
const String conf_warning = node->get_configuration_warning();
if (!conf_warning.empty()) {
err_dialog->set_text(conf_warning);
err_dialog->popup_centered_minsize();
button_bake->set_pressed(false);
return;
}
if (baker->is_baking()) {
baker->set_pause(!button_bake->is_pressed());
if (baker->is_paused()) {
set_process(false);
bake_info->set_text("");
button_reset->show();
button_make_lightmaps->show();
} else {
update_timeout=0;
set_process(true);
button_make_lightmaps->hide();
button_reset->hide();
}
} else {
baker->bake(node->get_baked_light(),node);
node->get_baked_light()->set_mode(BakedLight::MODE_OCTREE);
update_timeout=0;
last_rays_time=0;
button_bake->set_pressed(false);
set_process(true);
}
}
void BakedLightEditor::_clear_pressed(){
baker->clear();
button_bake->set_pressed(false);
bake_info->set_text("");
}
void BakedLightEditor::edit(BakedLightInstance *p_baked_light) {
if (p_baked_light==NULL || node==p_baked_light) {
return;
}
if (node && node!=p_baked_light)
_end_baking();
node=p_baked_light;
//_end_baking();
}
void BakedLightEditor::_bake_lightmaps() {
Error err = baker->transfer_to_lightmaps();
if (err) {
err_dialog->set_text("Error baking to lightmaps!\nMake sure that a bake has just\n happened and that lightmaps are\n configured. ");
err_dialog->popup_centered_minsize();
return;
}
node->get_baked_light()->set_mode(BakedLight::MODE_LIGHTMAPS);
}
void BakedLightEditor::_bind_methods() {
ClassDB::bind_method("_menu_option",&BakedLightEditor::_menu_option);
ClassDB::bind_method("_bake_pressed",&BakedLightEditor::_bake_pressed);
ClassDB::bind_method("_clear_pressed",&BakedLightEditor::_clear_pressed);
ClassDB::bind_method("_bake_lightmaps",&BakedLightEditor::_bake_lightmaps);
}
BakedLightEditor::BakedLightEditor() {
bake_hbox = memnew( HBoxContainer );
button_bake = memnew( ToolButton );
button_bake->set_text(TTR("Bake!"));
button_bake->set_toggle_mode(true);
button_reset = memnew( Button );
button_make_lightmaps = memnew( Button );
button_bake->set_tooltip("Start/Unpause the baking process.\nThis bakes lighting into the lightmap octree.");
button_make_lightmaps ->set_tooltip("Convert the lightmap octree to lightmap textures\n(must have set up UV/Lightmaps properly before!).");
bake_info = memnew( Label );
bake_hbox->add_child( button_bake );
bake_hbox->add_child( button_reset );
bake_hbox->add_child( bake_info );
err_dialog = memnew( AcceptDialog );
add_child(err_dialog);
node=NULL;
baker = memnew( BakedLightBaker );
bake_hbox->add_child(button_make_lightmaps);
button_make_lightmaps->hide();
button_bake->connect("pressed",this,"_bake_pressed");
button_reset->connect("pressed",this,"_clear_pressed");
button_make_lightmaps->connect("pressed",this,"_bake_lightmaps");
button_reset->hide();
button_reset->set_tooltip(TTR("Reset the lightmap octree baking process (start over)."));
update_timeout=0;
}
BakedLightEditor::~BakedLightEditor() {
memdelete(baker);
}
void BakedLightEditorPlugin::edit(Object *p_object) {
baked_light_editor->edit(Object::cast_to<BakedLightInstance>(p_object));
}
bool BakedLightEditorPlugin::handles(Object *p_object) const {
return p_object->is_type("BakedLightInstance");
}
void BakedLightEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
baked_light_editor->show();
baked_light_editor->bake_hbox->show();
} else {
baked_light_editor->hide();
baked_light_editor->bake_hbox->hide();
baked_light_editor->edit(NULL);
}
}
BakedLightEditorPlugin::BakedLightEditorPlugin(EditorNode *p_node) {
editor=p_node;
baked_light_editor = memnew( BakedLightEditor );
editor->get_viewport()->add_child(baked_light_editor);
add_control_to_container(CONTAINER_SPATIAL_EDITOR_MENU,baked_light_editor->bake_hbox);
baked_light_editor->hide();
baked_light_editor->bake_hbox->hide();
}
BakedLightEditorPlugin::~BakedLightEditorPlugin()
{
}
#endif
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