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FormspecMenu: make drawing of backgrounds less hacky (#9517)

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DS 2022-02-22 19:17:53 +01:00 • committed by GitHub
parent 7c227d2a00
commit 633e23bd65
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 43 additions and 22 deletions
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2
src/gui/guiBackgroundImage.cpp
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@ -44,7 +44,7 @@ void GUIBackgroundImage::draw()
core::rect<s32> rect = AbsoluteRect;
if (m_autoclip)
rect.LowerRightCorner += Parent->getAbsolutePosition().getSize();
rect.LowerRightCorner += Parent->getAbsoluteClippingRect().getSize();
video::IVideoDriver *driver = Environment->getVideoDriver();

31
src/gui/guiFormSpecMenu.cpp
View file

@ -137,8 +137,6 @@ GUIFormSpecMenu::~GUIFormSpecMenu()
checkbox_it.second->drop();
for (auto &scrollbar_it : m_scrollbars)
scrollbar_it.second->drop();
for (auto &background_it : m_backgrounds)
background_it->drop();
for (auto &tooltip_rect_it : m_tooltip_rects)
tooltip_rect_it.first->drop();
for (auto &clickthrough_it : m_clickthrough_elements)
@ -1124,17 +1122,15 @@ void GUIFormSpecMenu::parseBackground(parserData* data, const std::string &eleme
rect = core::rect<s32>(-pos, pos);
}
GUIBackgroundImage *e = new GUIBackgroundImage(Environment, this, spec.fid,
rect, name, middle, m_tsrc, clip);
GUIBackgroundImage *e = new GUIBackgroundImage(Environment, data->background_parent.get(),
spec.fid, rect, name, middle, m_tsrc, clip);
FATAL_ERROR_IF(!e, "Failed to create background formspec element");
e->setNotClipped(true);
e->setVisible(false); // the element is drawn manually before all others
m_backgrounds.push_back(e);
m_fields.push_back(spec);
e->drop();
}
void GUIFormSpecMenu::parseTableOptions(parserData* data, const std::string &element)
@ -3059,8 +3055,6 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
checkbox_it.second->drop();
for (auto &scrollbar_it : m_scrollbars)
scrollbar_it.second->drop();
for (auto &background_it : m_backgrounds)
background_it->drop();
for (auto &tooltip_rect_it : m_tooltip_rects)
tooltip_rect_it.first->drop();
for (auto &clickthrough_it : m_clickthrough_elements)
@ -3082,7 +3076,6 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
mydata.current_parent = this;
m_inventorylists.clear();
m_backgrounds.clear();
m_tables.clear();
m_checkboxes.clear();
m_scrollbars.clear();
@ -3336,6 +3329,15 @@ void GUIFormSpecMenu::regenerateGui(v2u32 screensize)
gui::IGUIFont *old_font = skin->getFont();
skin->setFont(m_font);
// Add a new element that will hold all the background elements as its children.
// Because it is the first added element, all backgrounds will be behind all
// the other elements.
// (We use an arbitrarily big rect. The actual size is determined later by
// clipping to `this`.)
core::rect<s32> background_parent_rect(0, 0, 100000, 100000);
mydata.background_parent.reset(new gui::IGUIElement(EGUIET_ELEMENT, Environment,
this, -1, background_parent_rect));
pos_offset = v2f32();
// used for formspec versions < 3
@ -3591,15 +3593,6 @@ void GUIFormSpecMenu::drawMenu()
}
}
/*
Draw backgrounds
*/
for (gui::IGUIElement *e : m_backgrounds) {
e->setVisible(true);
e->draw();
e->setVisible(false);
}
// Some elements are only visible while being drawn
for (gui::IGUIElement *e : m_clickthrough_elements)
e->setVisible(true);

3
src/gui/guiFormSpecMenu.h
View file

@ -24,6 +24,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <unordered_set>
#include "irrlichttypes_extrabloated.h"
#include "irr_ptr.h"
#include "inventorymanager.h"
#include "modalMenu.h"
#include "guiInventoryList.h"
@ -313,7 +314,6 @@ protected:
std::vector<GUIInventoryList *> m_inventorylists;
std::vector<ListRingSpec> m_inventory_rings;
std::vector<gui::IGUIElement *> m_backgrounds;
std::unordered_map<std::string, bool> field_close_on_enter;
std::unordered_map<std::string, bool> m_dropdown_index_event;
std::vector<FieldSpec> m_fields;
@ -375,6 +375,7 @@ private:
GUITable::TableOptions table_options;
GUITable::TableColumns table_columns;
gui::IGUIElement *current_parent = nullptr;
irr_ptr<gui::IGUIElement> background_parent;
GUIInventoryList::Options inventorylist_options;