1162 lines
37 KiB
C++
1162 lines
37 KiB
C++
/*************************************************************************/
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/* canvas_item.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "canvas_item.h"
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#include "core/method_bind_ext.gen.inc"
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#include "message_queue.h"
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#include "os/input.h"
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#include "scene/main/canvas_layer.h"
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#include "scene/main/viewport.h"
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#include "scene/resources/font.h"
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#include "scene/resources/style_box.h"
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#include "scene/resources/texture.h"
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#include "scene/scene_string_names.h"
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#include "servers/visual_server.h"
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Mutex *CanvasItemMaterial::material_mutex = NULL;
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SelfList<CanvasItemMaterial>::List CanvasItemMaterial::dirty_materials;
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Map<CanvasItemMaterial::MaterialKey, CanvasItemMaterial::ShaderData> CanvasItemMaterial::shader_map;
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void CanvasItemMaterial::init_shaders() {
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#ifndef NO_THREADS
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material_mutex = Mutex::create();
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#endif
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}
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void CanvasItemMaterial::finish_shaders() {
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#ifndef NO_THREADS
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memdelete(material_mutex);
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#endif
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}
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void CanvasItemMaterial::_update_shader() {
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dirty_materials.remove(&element);
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MaterialKey mk = _compute_key();
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if (mk.key == current_key.key)
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return; //no update required in the end
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if (shader_map.has(current_key)) {
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shader_map[current_key].users--;
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if (shader_map[current_key].users == 0) {
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//deallocate shader, as it's no longer in use
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VS::get_singleton()->free(shader_map[current_key].shader);
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shader_map.erase(current_key);
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}
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}
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current_key = mk;
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if (shader_map.has(mk)) {
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VS::get_singleton()->material_set_shader(_get_material(), shader_map[mk].shader);
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shader_map[mk].users++;
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return;
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}
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//must create a shader!
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String code = "shader_type canvas_item;\nrender_mode ";
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switch (blend_mode) {
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case BLEND_MODE_MIX: code += "blend_mix"; break;
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case BLEND_MODE_ADD: code += "blend_add"; break;
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case BLEND_MODE_SUB: code += "blend_sub"; break;
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case BLEND_MODE_MUL: code += "blend_mul"; break;
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case BLEND_MODE_PREMULT_ALPHA: code += "blend_premul_alpha"; break;
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}
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switch (light_mode) {
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case LIGHT_MODE_NORMAL: break;
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case LIGHT_MODE_UNSHADED: code += ",unshaded"; break;
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case LIGHT_MODE_LIGHT_ONLY: code += ",light_only"; break;
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}
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code += ";\n"; //thats it.
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ShaderData shader_data;
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shader_data.shader = VS::get_singleton()->shader_create();
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shader_data.users = 1;
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VS::get_singleton()->shader_set_code(shader_data.shader, code);
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shader_map[mk] = shader_data;
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VS::get_singleton()->material_set_shader(_get_material(), shader_data.shader);
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}
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void CanvasItemMaterial::flush_changes() {
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if (material_mutex)
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material_mutex->lock();
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while (dirty_materials.first()) {
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dirty_materials.first()->self()->_update_shader();
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}
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if (material_mutex)
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material_mutex->unlock();
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}
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void CanvasItemMaterial::_queue_shader_change() {
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if (material_mutex)
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material_mutex->lock();
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if (!element.in_list()) {
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dirty_materials.add(&element);
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}
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if (material_mutex)
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material_mutex->unlock();
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}
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bool CanvasItemMaterial::_is_shader_dirty() const {
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bool dirty = false;
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if (material_mutex)
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material_mutex->lock();
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dirty = element.in_list();
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if (material_mutex)
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material_mutex->unlock();
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return dirty;
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}
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void CanvasItemMaterial::set_blend_mode(BlendMode p_blend_mode) {
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blend_mode = p_blend_mode;
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_queue_shader_change();
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}
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CanvasItemMaterial::BlendMode CanvasItemMaterial::get_blend_mode() const {
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return blend_mode;
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}
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void CanvasItemMaterial::set_light_mode(LightMode p_light_mode) {
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light_mode = p_light_mode;
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_queue_shader_change();
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}
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CanvasItemMaterial::LightMode CanvasItemMaterial::get_light_mode() const {
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return light_mode;
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}
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void CanvasItemMaterial::_validate_property(PropertyInfo &property) const {
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}
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void CanvasItemMaterial::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_blend_mode", "blend_mode"), &CanvasItemMaterial::set_blend_mode);
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ClassDB::bind_method(D_METHOD("get_blend_mode"), &CanvasItemMaterial::get_blend_mode);
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ClassDB::bind_method(D_METHOD("set_light_mode", "light_mode"), &CanvasItemMaterial::set_light_mode);
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ClassDB::bind_method(D_METHOD("get_light_mode"), &CanvasItemMaterial::get_light_mode);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "blend_mode", PROPERTY_HINT_ENUM, "Mix,Add,Sub,Mul,Premult Alpha"), "set_blend_mode", "get_blend_mode");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "light_mode", PROPERTY_HINT_ENUM, "Normal,Unshaded,Light Only"), "set_light_mode", "get_light_mode");
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BIND_CONSTANT(BLEND_MODE_MIX);
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BIND_CONSTANT(BLEND_MODE_ADD);
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BIND_CONSTANT(BLEND_MODE_SUB);
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BIND_CONSTANT(BLEND_MODE_MUL);
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BIND_CONSTANT(BLEND_MODE_PREMULT_ALPHA);
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BIND_CONSTANT(LIGHT_MODE_NORMAL);
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BIND_CONSTANT(LIGHT_MODE_UNSHADED);
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BIND_CONSTANT(LIGHT_MODE_LIGHT_ONLY);
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}
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CanvasItemMaterial::CanvasItemMaterial()
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: element(this) {
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blend_mode = BLEND_MODE_MIX;
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light_mode = LIGHT_MODE_NORMAL;
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current_key.key = 0;
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current_key.invalid_key = 1;
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_queue_shader_change();
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}
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CanvasItemMaterial::~CanvasItemMaterial() {
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if (material_mutex)
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material_mutex->lock();
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if (shader_map.has(current_key)) {
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shader_map[current_key].users--;
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if (shader_map[current_key].users == 0) {
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//deallocate shader, as it's no longer in use
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VS::get_singleton()->free(shader_map[current_key].shader);
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shader_map.erase(current_key);
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}
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VS::get_singleton()->material_set_shader(_get_material(), RID());
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}
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if (material_mutex)
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material_mutex->unlock();
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}
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///////////////////////////////////////////////////////////////////
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bool CanvasItem::is_visible_in_tree() const {
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if (!is_inside_tree())
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return false;
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const CanvasItem *p = this;
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while (p) {
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if (!p->visible)
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return false;
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p = p->get_parent_item();
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}
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return true;
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}
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void CanvasItem::_propagate_visibility_changed(bool p_visible) {
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notification(NOTIFICATION_VISIBILITY_CHANGED);
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if (p_visible)
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update(); //todo optimize
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else
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emit_signal(SceneStringNames::get_singleton()->hide);
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_block();
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for (int i = 0; i < get_child_count(); i++) {
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CanvasItem *c = get_child(i)->cast_to<CanvasItem>();
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if (c && c->visible) //should the toplevels stop propagation? i think so but..
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c->_propagate_visibility_changed(p_visible);
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}
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_unblock();
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}
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void CanvasItem::show() {
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if (visible)
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return;
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visible = true;
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VisualServer::get_singleton()->canvas_item_set_visible(canvas_item, true);
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if (!is_inside_tree())
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return;
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_propagate_visibility_changed(true);
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_change_notify("visible");
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}
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void CanvasItem::hide() {
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if (!visible)
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return;
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visible = false;
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VisualServer::get_singleton()->canvas_item_set_visible(canvas_item, false);
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if (!is_inside_tree())
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return;
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_propagate_visibility_changed(false);
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_change_notify("visible");
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}
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Variant CanvasItem::edit_get_state() const {
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return Variant();
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}
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void CanvasItem::edit_set_state(const Variant &p_state) {
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}
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void CanvasItem::edit_set_rect(const Rect2 &p_edit_rect) {
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//used by editors, implement at will
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}
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void CanvasItem::edit_rotate(float p_rot) {
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}
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Size2 CanvasItem::edit_get_minimum_size() const {
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return Size2(-1, -1); //no limit
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}
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void CanvasItem::_update_callback() {
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if (!is_inside_tree()) {
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pending_update = false;
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return;
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}
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VisualServer::get_singleton()->canvas_item_clear(get_canvas_item());
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//todo updating = true - only allow drawing here
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if (is_visible_in_tree()) { //todo optimize this!!
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if (first_draw) {
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notification(NOTIFICATION_VISIBILITY_CHANGED);
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first_draw = false;
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}
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drawing = true;
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notification(NOTIFICATION_DRAW);
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emit_signal(SceneStringNames::get_singleton()->draw);
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if (get_script_instance()) {
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Variant::CallError err;
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get_script_instance()->call_multilevel_reversed(SceneStringNames::get_singleton()->_draw, NULL, 0);
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}
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drawing = false;
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}
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//todo updating = false
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pending_update = false; // don't change to false until finished drawing (avoid recursive update)
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}
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Transform2D CanvasItem::get_global_transform_with_canvas() const {
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const CanvasItem *ci = this;
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Transform2D xform;
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const CanvasItem *last_valid = NULL;
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while (ci) {
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last_valid = ci;
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xform = ci->get_transform() * xform;
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ci = ci->get_parent_item();
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}
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if (last_valid->canvas_layer)
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return last_valid->canvas_layer->get_transform() * xform;
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else if (is_inside_tree())
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return get_viewport()->get_canvas_transform() * xform;
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return xform;
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}
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Transform2D CanvasItem::get_global_transform() const {
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#ifdef DEBUG_ENABLED
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ERR_FAIL_COND_V(!is_inside_tree(), get_transform());
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#endif
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if (global_invalid) {
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const CanvasItem *pi = get_parent_item();
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if (pi)
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global_transform = pi->get_global_transform() * get_transform();
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else
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global_transform = get_transform();
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global_invalid = false;
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}
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return global_transform;
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}
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void CanvasItem::_toplevel_raise_self() {
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if (!is_inside_tree())
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return;
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if (canvas_layer)
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VisualServer::get_singleton()->canvas_item_set_draw_index(canvas_item, canvas_layer->get_sort_index());
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else
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VisualServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_viewport()->gui_get_canvas_sort_index());
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}
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void CanvasItem::_enter_canvas() {
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if ((!get_parent() || !get_parent()->cast_to<CanvasItem>()) || toplevel) {
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Node *n = this;
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canvas_layer = NULL;
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while (n) {
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canvas_layer = n->cast_to<CanvasLayer>();
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if (canvas_layer) {
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break;
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}
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n = n->get_parent();
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}
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RID canvas;
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if (canvas_layer)
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canvas = canvas_layer->get_world_2d()->get_canvas();
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else
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canvas = get_viewport()->find_world_2d()->get_canvas();
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VisualServer::get_singleton()->canvas_item_set_parent(canvas_item, canvas);
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group = "root_canvas" + itos(canvas.get_id());
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add_to_group(group);
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if (canvas_layer)
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canvas_layer->reset_sort_index();
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else
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get_viewport()->gui_reset_canvas_sort_index();
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get_tree()->call_group_flags(SceneTree::GROUP_CALL_UNIQUE, group, "_toplevel_raise_self");
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} else {
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CanvasItem *parent = get_parent_item();
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canvas_layer = parent->canvas_layer;
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VisualServer::get_singleton()->canvas_item_set_parent(canvas_item, parent->get_canvas_item());
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VisualServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_index());
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}
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pending_update = false;
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update();
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notification(NOTIFICATION_ENTER_CANVAS);
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}
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void CanvasItem::_exit_canvas() {
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notification(NOTIFICATION_EXIT_CANVAS, true); //reverse the notification
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VisualServer::get_singleton()->canvas_item_set_parent(canvas_item, RID());
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canvas_layer = NULL;
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group = "";
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}
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void CanvasItem::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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first_draw = true;
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if (get_parent()) {
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CanvasItem *ci = get_parent()->cast_to<CanvasItem>();
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if (ci)
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C = ci->children_items.push_back(this);
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}
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_enter_canvas();
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if (!block_transform_notify && !xform_change.in_list()) {
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get_tree()->xform_change_list.add(&xform_change);
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}
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} break;
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case NOTIFICATION_MOVED_IN_PARENT: {
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if (!is_inside_tree())
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break;
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if (group != "") {
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get_tree()->call_group_flags(SceneTree::GROUP_CALL_UNIQUE, group, "_toplevel_raise_self");
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} else {
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CanvasItem *p = get_parent_item();
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ERR_FAIL_COND(!p);
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VisualServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_index());
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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if (xform_change.in_list())
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get_tree()->xform_change_list.remove(&xform_change);
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_exit_canvas();
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if (C) {
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get_parent()->cast_to<CanvasItem>()->children_items.erase(C);
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C = NULL;
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}
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global_invalid = true;
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} break;
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case NOTIFICATION_DRAW: {
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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} break;
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case NOTIFICATION_VISIBILITY_CHANGED: {
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emit_signal(SceneStringNames::get_singleton()->visibility_changed);
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} break;
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}
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}
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void CanvasItem::set_visible(bool p_visible) {
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if (p_visible)
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show();
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else
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hide();
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}
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bool CanvasItem::is_visible() const {
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return visible;
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}
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void CanvasItem::update() {
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if (!is_inside_tree())
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return;
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if (pending_update)
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return;
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pending_update = true;
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MessageQueue::get_singleton()->push_call(this, "_update_callback");
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}
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void CanvasItem::set_modulate(const Color &p_modulate) {
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modulate = p_modulate;
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VisualServer::get_singleton()->canvas_item_set_modulate(canvas_item, modulate);
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}
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Color CanvasItem::get_modulate() const {
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return modulate;
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}
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void CanvasItem::set_as_toplevel(bool p_toplevel) {
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if (toplevel == p_toplevel)
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return;
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if (!is_inside_tree()) {
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toplevel = p_toplevel;
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return;
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}
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_exit_canvas();
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toplevel = p_toplevel;
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|
_enter_canvas();
|
|
}
|
|
|
|
bool CanvasItem::is_set_as_toplevel() const {
|
|
|
|
return toplevel;
|
|
}
|
|
|
|
CanvasItem *CanvasItem::get_parent_item() const {
|
|
|
|
if (toplevel)
|
|
return NULL;
|
|
|
|
Node *parent = get_parent();
|
|
if (!parent)
|
|
return NULL;
|
|
|
|
return parent->cast_to<CanvasItem>();
|
|
}
|
|
|
|
void CanvasItem::set_self_modulate(const Color &p_self_modulate) {
|
|
|
|
self_modulate = p_self_modulate;
|
|
VisualServer::get_singleton()->canvas_item_set_self_modulate(canvas_item, self_modulate);
|
|
}
|
|
Color CanvasItem::get_self_modulate() const {
|
|
|
|
return self_modulate;
|
|
}
|
|
|
|
void CanvasItem::set_light_mask(int p_light_mask) {
|
|
|
|
light_mask = p_light_mask;
|
|
VS::get_singleton()->canvas_item_set_light_mask(canvas_item, p_light_mask);
|
|
}
|
|
|
|
int CanvasItem::get_light_mask() const {
|
|
|
|
return light_mask;
|
|
}
|
|
|
|
void CanvasItem::item_rect_changed(bool p_size_changed) {
|
|
|
|
if (p_size_changed)
|
|
update();
|
|
emit_signal(SceneStringNames::get_singleton()->item_rect_changed);
|
|
}
|
|
|
|
void CanvasItem::draw_line(const Point2 &p_from, const Point2 &p_to, const Color &p_color, float p_width, bool p_antialiased) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_line(canvas_item, p_from, p_to, p_color, p_width, p_antialiased);
|
|
}
|
|
|
|
void CanvasItem::draw_polyline(const Vector<Point2> &p_points, const Color &p_color, float p_width, bool p_antialiased) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
Vector<Color> colors;
|
|
colors.push_back(p_color);
|
|
VisualServer::get_singleton()->canvas_item_add_polyline(canvas_item, p_points, colors, p_width, p_antialiased);
|
|
}
|
|
|
|
void CanvasItem::draw_polyline_colors(const Vector<Point2> &p_points, const Vector<Color> &p_colors, float p_width, bool p_antialiased) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_polyline(canvas_item, p_points, p_colors, p_width, p_antialiased);
|
|
}
|
|
void CanvasItem::draw_rect(const Rect2 &p_rect, const Color &p_color, bool p_filled) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
if (p_filled) {
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_rect(canvas_item, p_rect, p_color);
|
|
} else {
|
|
VisualServer::get_singleton()->canvas_item_add_line(canvas_item, p_rect.position, p_rect.position + Size2(p_rect.size.width, 0), p_color);
|
|
VisualServer::get_singleton()->canvas_item_add_line(canvas_item, p_rect.position, p_rect.position + Size2(0, p_rect.size.height), p_color);
|
|
VisualServer::get_singleton()->canvas_item_add_line(canvas_item, p_rect.position + Point2(0, p_rect.size.height), p_rect.position + p_rect.size, p_color);
|
|
VisualServer::get_singleton()->canvas_item_add_line(canvas_item, p_rect.position + Point2(p_rect.size.width, 0), p_rect.position + p_rect.size, p_color);
|
|
}
|
|
}
|
|
|
|
void CanvasItem::draw_circle(const Point2 &p_pos, float p_radius, const Color &p_color) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_circle(canvas_item, p_pos, p_radius, p_color);
|
|
}
|
|
|
|
void CanvasItem::draw_texture(const Ref<Texture> &p_texture, const Point2 &p_pos, const Color &p_modulate, const Ref<Texture> &p_normal_map) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
ERR_FAIL_COND(p_texture.is_null());
|
|
|
|
p_texture->draw(canvas_item, p_pos, p_modulate);
|
|
}
|
|
|
|
void CanvasItem::draw_texture_rect(const Ref<Texture> &p_texture, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose, const Ref<Texture> &p_normal_map) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
ERR_FAIL_COND(p_texture.is_null());
|
|
p_texture->draw_rect(canvas_item, p_rect, p_tile, p_modulate, p_transpose, p_normal_map);
|
|
}
|
|
void CanvasItem::draw_texture_rect_region(const Ref<Texture> &p_texture, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, const Ref<Texture> &p_normal_map, bool p_clip_uv) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
ERR_FAIL_COND(p_texture.is_null());
|
|
p_texture->draw_rect_region(canvas_item, p_rect, p_src_rect, p_modulate, p_transpose, p_normal_map, p_clip_uv);
|
|
}
|
|
|
|
void CanvasItem::draw_style_box(const Ref<StyleBox> &p_style_box, const Rect2 &p_rect) {
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
ERR_FAIL_COND(p_style_box.is_null());
|
|
|
|
p_style_box->draw(canvas_item, p_rect);
|
|
}
|
|
void CanvasItem::draw_primitive(const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, Ref<Texture> p_texture, float p_width, const Ref<Texture> &p_normal_map) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
|
|
RID rid_normal = p_normal_map.is_valid() ? p_normal_map->get_rid() : RID();
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_primitive(canvas_item, p_points, p_colors, p_uvs, rid, p_width, rid_normal);
|
|
}
|
|
void CanvasItem::draw_set_transform(const Point2 &p_offset, float p_rot, const Size2 &p_scale) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
Transform2D xform(p_rot, p_offset);
|
|
xform.scale_basis(p_scale);
|
|
VisualServer::get_singleton()->canvas_item_add_set_transform(canvas_item, xform);
|
|
}
|
|
|
|
void CanvasItem::draw_set_transform_matrix(const Transform2D &p_matrix) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_set_transform(canvas_item, p_matrix);
|
|
}
|
|
|
|
void CanvasItem::draw_polygon(const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs, Ref<Texture> p_texture, const Ref<Texture> &p_normal_map) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
|
|
RID rid_normal = p_normal_map.is_valid() ? p_normal_map->get_rid() : RID();
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, p_colors, p_uvs, rid, rid_normal);
|
|
}
|
|
|
|
void CanvasItem::draw_colored_polygon(const Vector<Point2> &p_points, const Color &p_color, const Vector<Point2> &p_uvs, Ref<Texture> p_texture, const Ref<Texture> &p_normal_map) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
Vector<Color> colors;
|
|
colors.push_back(p_color);
|
|
RID rid = p_texture.is_valid() ? p_texture->get_rid() : RID();
|
|
RID rid_normal = p_normal_map.is_valid() ? p_normal_map->get_rid() : RID();
|
|
|
|
VisualServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, colors, p_uvs, rid, rid_normal);
|
|
}
|
|
|
|
void CanvasItem::draw_string(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_text, const Color &p_modulate, int p_clip_w) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL();
|
|
}
|
|
|
|
ERR_FAIL_COND(p_font.is_null());
|
|
p_font->draw(canvas_item, p_pos, p_text, p_modulate, p_clip_w);
|
|
}
|
|
|
|
float CanvasItem::draw_char(const Ref<Font> &p_font, const Point2 &p_pos, const String &p_char, const String &p_next, const Color &p_modulate) {
|
|
|
|
if (!drawing) {
|
|
ERR_EXPLAIN("Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal.");
|
|
ERR_FAIL_V(0);
|
|
}
|
|
|
|
ERR_FAIL_COND_V(p_char.length() != 1, 0);
|
|
ERR_FAIL_COND_V(p_font.is_null(), 0);
|
|
|
|
return p_font->draw_char(canvas_item, p_pos, p_char[0], p_next.c_str()[0], p_modulate);
|
|
}
|
|
|
|
void CanvasItem::_notify_transform(CanvasItem *p_node) {
|
|
|
|
if (/*p_node->xform_change.in_list() &&*/ p_node->global_invalid) {
|
|
return; //nothing to do
|
|
}
|
|
|
|
p_node->global_invalid = true;
|
|
|
|
if (p_node->notify_transform && !p_node->xform_change.in_list()) {
|
|
if (!p_node->block_transform_notify) {
|
|
if (p_node->is_inside_tree())
|
|
get_tree()->xform_change_list.add(&p_node->xform_change);
|
|
}
|
|
}
|
|
|
|
for (List<CanvasItem *>::Element *E = p_node->children_items.front(); E; E = E->next()) {
|
|
|
|
CanvasItem *ci = E->get();
|
|
if (ci->toplevel)
|
|
continue;
|
|
_notify_transform(ci);
|
|
}
|
|
}
|
|
|
|
Rect2 CanvasItem::get_viewport_rect() const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), Rect2());
|
|
return get_viewport()->get_visible_rect();
|
|
}
|
|
|
|
RID CanvasItem::get_canvas() const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), RID());
|
|
|
|
if (canvas_layer)
|
|
return canvas_layer->get_world_2d()->get_canvas();
|
|
else
|
|
return get_viewport()->find_world_2d()->get_canvas();
|
|
}
|
|
|
|
CanvasItem *CanvasItem::get_toplevel() const {
|
|
|
|
CanvasItem *ci = const_cast<CanvasItem *>(this);
|
|
while (!ci->toplevel && ci->get_parent() && ci->get_parent()->cast_to<CanvasItem>()) {
|
|
ci = ci->get_parent()->cast_to<CanvasItem>();
|
|
}
|
|
|
|
return ci;
|
|
}
|
|
|
|
Ref<World2D> CanvasItem::get_world_2d() const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), Ref<World2D>());
|
|
|
|
CanvasItem *tl = get_toplevel();
|
|
|
|
if (tl->canvas_layer) {
|
|
return tl->canvas_layer->get_world_2d();
|
|
} else if (tl->get_viewport()) {
|
|
return tl->get_viewport()->find_world_2d();
|
|
} else {
|
|
return Ref<World2D>();
|
|
}
|
|
}
|
|
|
|
RID CanvasItem::get_viewport_rid() const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), RID());
|
|
return get_viewport()->get_viewport_rid();
|
|
}
|
|
|
|
void CanvasItem::set_block_transform_notify(bool p_enable) {
|
|
block_transform_notify = p_enable;
|
|
}
|
|
|
|
bool CanvasItem::is_block_transform_notify_enabled() const {
|
|
|
|
return block_transform_notify;
|
|
}
|
|
|
|
void CanvasItem::set_draw_behind_parent(bool p_enable) {
|
|
|
|
if (behind == p_enable)
|
|
return;
|
|
behind = p_enable;
|
|
VisualServer::get_singleton()->canvas_item_set_draw_behind_parent(canvas_item, behind);
|
|
}
|
|
|
|
bool CanvasItem::is_draw_behind_parent_enabled() const {
|
|
|
|
return behind;
|
|
}
|
|
|
|
void CanvasItem::set_material(const Ref<Material> &p_material) {
|
|
|
|
material = p_material;
|
|
RID rid;
|
|
if (material.is_valid())
|
|
rid = material->get_rid();
|
|
VS::get_singleton()->canvas_item_set_material(canvas_item, rid);
|
|
_change_notify(); //properties for material exposed
|
|
}
|
|
|
|
void CanvasItem::set_use_parent_material(bool p_use_parent_material) {
|
|
|
|
use_parent_material = p_use_parent_material;
|
|
VS::get_singleton()->canvas_item_set_use_parent_material(canvas_item, p_use_parent_material);
|
|
}
|
|
|
|
bool CanvasItem::get_use_parent_material() const {
|
|
|
|
return use_parent_material;
|
|
}
|
|
|
|
Ref<Material> CanvasItem::get_material() const {
|
|
|
|
return material;
|
|
}
|
|
|
|
Vector2 CanvasItem::make_canvas_pos_local(const Vector2 &screen_point) const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), screen_point);
|
|
|
|
Transform2D local_matrix = (get_canvas_transform() * get_global_transform()).affine_inverse();
|
|
|
|
return local_matrix.xform(screen_point);
|
|
}
|
|
|
|
Ref<InputEvent> CanvasItem::make_input_local(const Ref<InputEvent> &p_event) const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), p_event);
|
|
|
|
return p_event->xformed_by((get_canvas_transform() * get_global_transform()).affine_inverse());
|
|
}
|
|
|
|
Vector2 CanvasItem::get_global_mouse_position() const {
|
|
|
|
ERR_FAIL_COND_V(!get_viewport(), Vector2());
|
|
return get_canvas_transform().affine_inverse().xform(get_viewport()->get_mouse_position());
|
|
}
|
|
Vector2 CanvasItem::get_local_mouse_pos() const {
|
|
|
|
ERR_FAIL_COND_V(!get_viewport(), Vector2());
|
|
|
|
return get_global_transform().affine_inverse().xform(get_global_mouse_position());
|
|
}
|
|
|
|
void CanvasItem::_bind_methods() {
|
|
|
|
ClassDB::bind_method(D_METHOD("_toplevel_raise_self"), &CanvasItem::_toplevel_raise_self);
|
|
ClassDB::bind_method(D_METHOD("_update_callback"), &CanvasItem::_update_callback);
|
|
|
|
ClassDB::bind_method(D_METHOD("edit_set_state", "state"), &CanvasItem::edit_set_state);
|
|
ClassDB::bind_method(D_METHOD("edit_get_state:Variant"), &CanvasItem::edit_get_state);
|
|
ClassDB::bind_method(D_METHOD("edit_set_rect", "rect"), &CanvasItem::edit_set_rect);
|
|
ClassDB::bind_method(D_METHOD("edit_rotate", "degrees"), &CanvasItem::edit_rotate);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_item_rect"), &CanvasItem::get_item_rect);
|
|
ClassDB::bind_method(D_METHOD("get_item_and_children_rect"), &CanvasItem::get_item_and_children_rect);
|
|
//ClassDB::bind_method(D_METHOD("get_transform"),&CanvasItem::get_transform);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_canvas_item"), &CanvasItem::get_canvas_item);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_visible", "visible"), &CanvasItem::set_visible);
|
|
ClassDB::bind_method(D_METHOD("is_visible"), &CanvasItem::is_visible);
|
|
ClassDB::bind_method(D_METHOD("is_visible_in_tree"), &CanvasItem::is_visible_in_tree);
|
|
ClassDB::bind_method(D_METHOD("show"), &CanvasItem::show);
|
|
ClassDB::bind_method(D_METHOD("hide"), &CanvasItem::hide);
|
|
|
|
ClassDB::bind_method(D_METHOD("update"), &CanvasItem::update);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_as_toplevel", "enable"), &CanvasItem::set_as_toplevel);
|
|
ClassDB::bind_method(D_METHOD("is_set_as_toplevel"), &CanvasItem::is_set_as_toplevel);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_light_mask", "light_mask"), &CanvasItem::set_light_mask);
|
|
ClassDB::bind_method(D_METHOD("get_light_mask"), &CanvasItem::get_light_mask);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_modulate", "modulate"), &CanvasItem::set_modulate);
|
|
ClassDB::bind_method(D_METHOD("get_modulate"), &CanvasItem::get_modulate);
|
|
ClassDB::bind_method(D_METHOD("set_self_modulate", "self_modulate"), &CanvasItem::set_self_modulate);
|
|
ClassDB::bind_method(D_METHOD("get_self_modulate"), &CanvasItem::get_self_modulate);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_draw_behind_parent", "enable"), &CanvasItem::set_draw_behind_parent);
|
|
ClassDB::bind_method(D_METHOD("is_draw_behind_parent_enabled"), &CanvasItem::is_draw_behind_parent_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("_set_on_top", "on_top"), &CanvasItem::_set_on_top);
|
|
ClassDB::bind_method(D_METHOD("_is_on_top"), &CanvasItem::_is_on_top);
|
|
//ClassDB::bind_method(D_METHOD("get_transform"),&CanvasItem::get_transform);
|
|
|
|
ClassDB::bind_method(D_METHOD("draw_line", "from", "to", "color", "width", "antialiased"), &CanvasItem::draw_line, DEFVAL(1.0), DEFVAL(false));
|
|
ClassDB::bind_method(D_METHOD("draw_polyline", "points", "color", "width", "antialiased"), &CanvasItem::draw_polyline, DEFVAL(1.0), DEFVAL(false));
|
|
ClassDB::bind_method(D_METHOD("draw_polyline_colors", "points", "colors", "width", "antialiased"), &CanvasItem::draw_polyline_colors, DEFVAL(1.0), DEFVAL(false));
|
|
ClassDB::bind_method(D_METHOD("draw_rect", "rect", "color", "filled"), &CanvasItem::draw_rect, DEFVAL(true));
|
|
ClassDB::bind_method(D_METHOD("draw_circle", "pos", "radius", "color"), &CanvasItem::draw_circle);
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ClassDB::bind_method(D_METHOD("draw_texture", "texture:Texture", "pos", "modulate", "normal_map:Texture"), &CanvasItem::draw_texture, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(Variant()));
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ClassDB::bind_method(D_METHOD("draw_texture_rect", "texture:Texture", "rect", "tile", "modulate", "transpose", "normal_map:Texture"), &CanvasItem::draw_texture_rect, DEFVAL(Color(1, 1, 1)), DEFVAL(false), DEFVAL(Variant()));
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ClassDB::bind_method(D_METHOD("draw_texture_rect_region", "texture:Texture", "rect", "src_rect", "modulate", "transpose", "normal_map:Texture", "clip_uv"), &CanvasItem::draw_texture_rect_region, DEFVAL(Color(1, 1, 1)), DEFVAL(false), DEFVAL(Variant()), DEFVAL(true));
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ClassDB::bind_method(D_METHOD("draw_style_box", "style_box:StyleBox", "rect"), &CanvasItem::draw_style_box);
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ClassDB::bind_method(D_METHOD("draw_primitive", "points", "colors", "uvs", "texture:Texture", "width", "normal_map:Texture"), &CanvasItem::draw_primitive, DEFVAL(Variant()), DEFVAL(1.0), DEFVAL(Variant()));
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ClassDB::bind_method(D_METHOD("draw_polygon", "points", "colors", "uvs", "texture:Texture", "normal_map:Texture"), &CanvasItem::draw_polygon, DEFVAL(PoolVector2Array()), DEFVAL(Variant()), DEFVAL(Variant()));
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|
ClassDB::bind_method(D_METHOD("draw_colored_polygon", "points", "color", "uvs", "texture:Texture", "normal_map:Texture"), &CanvasItem::draw_colored_polygon, DEFVAL(PoolVector2Array()), DEFVAL(Variant()), DEFVAL(Variant()));
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|
ClassDB::bind_method(D_METHOD("draw_string", "font:Font", "pos", "text", "modulate", "clip_w"), &CanvasItem::draw_string, DEFVAL(Color(1, 1, 1)), DEFVAL(-1));
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ClassDB::bind_method(D_METHOD("draw_char", "font:Font", "pos", "char", "next", "modulate"), &CanvasItem::draw_char, DEFVAL(Color(1, 1, 1)));
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|
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|
ClassDB::bind_method(D_METHOD("draw_set_transform", "pos", "rot", "scale"), &CanvasItem::draw_set_transform);
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|
ClassDB::bind_method(D_METHOD("draw_set_transform_matrix", "xform"), &CanvasItem::draw_set_transform_matrix);
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|
ClassDB::bind_method(D_METHOD("get_transform"), &CanvasItem::get_transform);
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|
ClassDB::bind_method(D_METHOD("get_global_transform"), &CanvasItem::get_global_transform);
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|
ClassDB::bind_method(D_METHOD("get_global_transform_with_canvas"), &CanvasItem::get_global_transform_with_canvas);
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|
ClassDB::bind_method(D_METHOD("get_viewport_transform"), &CanvasItem::get_viewport_transform);
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|
ClassDB::bind_method(D_METHOD("get_viewport_rect"), &CanvasItem::get_viewport_rect);
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|
ClassDB::bind_method(D_METHOD("get_canvas_transform"), &CanvasItem::get_canvas_transform);
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|
ClassDB::bind_method(D_METHOD("get_local_mouse_pos"), &CanvasItem::get_local_mouse_pos);
|
|
ClassDB::bind_method(D_METHOD("get_global_mouse_position"), &CanvasItem::get_global_mouse_position);
|
|
ClassDB::bind_method(D_METHOD("get_canvas"), &CanvasItem::get_canvas);
|
|
ClassDB::bind_method(D_METHOD("get_world_2d:World2D"), &CanvasItem::get_world_2d);
|
|
//ClassDB::bind_method(D_METHOD("get_viewport"),&CanvasItem::get_viewport);
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|
|
|
ClassDB::bind_method(D_METHOD("set_material", "material:Material"), &CanvasItem::set_material);
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|
ClassDB::bind_method(D_METHOD("get_material:Material"), &CanvasItem::get_material);
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|
|
|
ClassDB::bind_method(D_METHOD("set_use_parent_material", "enable"), &CanvasItem::set_use_parent_material);
|
|
ClassDB::bind_method(D_METHOD("get_use_parent_material"), &CanvasItem::get_use_parent_material);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_notify_local_transform", "enable"), &CanvasItem::set_notify_local_transform);
|
|
ClassDB::bind_method(D_METHOD("is_local_transform_notification_enabled"), &CanvasItem::is_local_transform_notification_enabled);
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|
|
|
ClassDB::bind_method(D_METHOD("set_notify_transform", "enable"), &CanvasItem::set_notify_transform);
|
|
ClassDB::bind_method(D_METHOD("is_transform_notification_enabled"), &CanvasItem::is_transform_notification_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("make_canvas_pos_local", "screen_point"),
|
|
&CanvasItem::make_canvas_pos_local);
|
|
ClassDB::bind_method(D_METHOD("make_input_local:InputEvent", "event:InputEvent"), &CanvasItem::make_input_local);
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|
|
|
BIND_VMETHOD(MethodInfo("_draw"));
|
|
|
|
ADD_GROUP("Visibility", "");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::BOOL, "visible"), "set_visible", "is_visible");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::COLOR, "modulate"), "set_modulate", "get_modulate");
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::COLOR, "self_modulate"), "set_self_modulate", "get_self_modulate");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "show_behind_parent"), "set_draw_behind_parent", "is_draw_behind_parent_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_on_top", PROPERTY_HINT_NONE, "", 0), "_set_on_top", "_is_on_top"); //compatibility
|
|
ADD_PROPERTYNO(PropertyInfo(Variant::INT, "light_mask", PROPERTY_HINT_LAYERS_2D_RENDER), "set_light_mask", "get_light_mask");
|
|
|
|
ADD_GROUP("Material", "");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT, "material", PROPERTY_HINT_RESOURCE_TYPE, "ShaderMaterial,CanvasItemMaterial"), "set_material", "get_material");
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL, "use_parent_material"), "set_use_parent_material", "get_use_parent_material");
|
|
//exporting these two things doesn't really make much sense i think
|
|
//ADD_PROPERTY( PropertyInfo(Variant::BOOL,"transform/toplevel"), "set_as_toplevel","is_set_as_toplevel") ;
|
|
//ADD_PROPERTY(PropertyInfo(Variant::BOOL,"transform/notify"),"set_transform_notify","is_transform_notify_enabled");
|
|
|
|
ADD_SIGNAL(MethodInfo("draw"));
|
|
ADD_SIGNAL(MethodInfo("visibility_changed"));
|
|
ADD_SIGNAL(MethodInfo("hide"));
|
|
ADD_SIGNAL(MethodInfo("item_rect_changed"));
|
|
|
|
BIND_CONSTANT(BLEND_MODE_MIX);
|
|
BIND_CONSTANT(BLEND_MODE_ADD);
|
|
BIND_CONSTANT(BLEND_MODE_SUB);
|
|
BIND_CONSTANT(BLEND_MODE_MUL);
|
|
BIND_CONSTANT(BLEND_MODE_PREMULT_ALPHA);
|
|
|
|
BIND_CONSTANT(NOTIFICATION_DRAW);
|
|
BIND_CONSTANT(NOTIFICATION_VISIBILITY_CHANGED);
|
|
BIND_CONSTANT(NOTIFICATION_ENTER_CANVAS);
|
|
BIND_CONSTANT(NOTIFICATION_EXIT_CANVAS);
|
|
BIND_CONSTANT(NOTIFICATION_TRANSFORM_CHANGED);
|
|
}
|
|
|
|
Transform2D CanvasItem::get_canvas_transform() const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), Transform2D());
|
|
|
|
if (canvas_layer)
|
|
return canvas_layer->get_transform();
|
|
else if (get_parent()->cast_to<CanvasItem>())
|
|
return get_parent()->cast_to<CanvasItem>()->get_canvas_transform();
|
|
else
|
|
return get_viewport()->get_canvas_transform();
|
|
}
|
|
|
|
Transform2D CanvasItem::get_viewport_transform() const {
|
|
|
|
ERR_FAIL_COND_V(!is_inside_tree(), Transform2D());
|
|
|
|
if (canvas_layer) {
|
|
|
|
if (get_viewport()) {
|
|
return get_viewport()->get_final_transform() * canvas_layer->get_transform();
|
|
} else {
|
|
return canvas_layer->get_transform();
|
|
}
|
|
|
|
} else {
|
|
return get_viewport()->get_final_transform() * get_viewport()->get_canvas_transform();
|
|
}
|
|
}
|
|
|
|
void CanvasItem::set_notify_local_transform(bool p_enable) {
|
|
notify_local_transform = p_enable;
|
|
}
|
|
|
|
bool CanvasItem::is_local_transform_notification_enabled() const {
|
|
return notify_local_transform;
|
|
}
|
|
|
|
void CanvasItem::set_notify_transform(bool p_enable) {
|
|
if (notify_transform == p_enable)
|
|
return;
|
|
|
|
notify_transform = p_enable;
|
|
|
|
if (notify_transform && is_inside_tree()) {
|
|
//this ensures that invalid globals get resolved, so notifications can be received
|
|
get_global_transform();
|
|
}
|
|
}
|
|
|
|
bool CanvasItem::is_transform_notification_enabled() const {
|
|
return notify_transform;
|
|
}
|
|
|
|
int CanvasItem::get_canvas_layer() const {
|
|
|
|
if (canvas_layer)
|
|
return canvas_layer->get_layer();
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
Rect2 CanvasItem::get_item_and_children_rect() const {
|
|
|
|
Rect2 rect = get_item_rect();
|
|
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
CanvasItem *c = get_child(i)->cast_to<CanvasItem>();
|
|
if (c) {
|
|
Rect2 sir = c->get_transform().xform(c->get_item_and_children_rect());
|
|
rect = rect.merge(sir);
|
|
}
|
|
}
|
|
|
|
return rect;
|
|
}
|
|
|
|
CanvasItem::CanvasItem()
|
|
: xform_change(this) {
|
|
|
|
canvas_item = VisualServer::get_singleton()->canvas_item_create();
|
|
visible = true;
|
|
pending_update = false;
|
|
modulate = Color(1, 1, 1, 1);
|
|
self_modulate = Color(1, 1, 1, 1);
|
|
toplevel = false;
|
|
first_draw = false;
|
|
drawing = false;
|
|
behind = false;
|
|
block_transform_notify = false;
|
|
//viewport=NULL;
|
|
canvas_layer = NULL;
|
|
use_parent_material = false;
|
|
global_invalid = true;
|
|
notify_local_transform = false;
|
|
notify_transform = false;
|
|
light_mask = 1;
|
|
|
|
C = NULL;
|
|
}
|
|
|
|
CanvasItem::~CanvasItem() {
|
|
|
|
VisualServer::get_singleton()->free(canvas_item);
|
|
}
|