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Diffstat (limited to 'scene/main/canvas_item.cpp')
| -rw-r--r-- | scene/main/canvas_item.cpp | 1489 |
1 files changed, 1489 insertions, 0 deletions
diff --git a/scene/main/canvas_item.cpp b/scene/main/canvas_item.cpp new file mode 100644 index 0000000000..2eacad68c3 --- /dev/null +++ b/scene/main/canvas_item.cpp @@ -0,0 +1,1489 @@ +/*************************************************************************/ +/* canvas_item.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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 "canvas_item.h" + +#include "core/input/input_filter.h" +#include "core/message_queue.h" +#include "core/method_bind_ext.gen.inc" +#include "scene/main/canvas_layer.h" +#include "scene/main/viewport.h" +#include "scene/main/window.h" +#include "scene/resources/font.h" +#include "scene/resources/style_box.h" +#include "scene/resources/texture.h" +#include "scene/scene_string_names.h" +#include "servers/rendering_server.h" + +Mutex CanvasItemMaterial::material_mutex; +SelfList<CanvasItemMaterial>::List *CanvasItemMaterial::dirty_materials = nullptr; +Map<CanvasItemMaterial::MaterialKey, CanvasItemMaterial::ShaderData> CanvasItemMaterial::shader_map; +CanvasItemMaterial::ShaderNames *CanvasItemMaterial::shader_names = nullptr; + +void CanvasItemMaterial::init_shaders() { + + dirty_materials = memnew(SelfList<CanvasItemMaterial>::List); + + shader_names = memnew(ShaderNames); + + shader_names->particles_anim_h_frames = "particles_anim_h_frames"; + shader_names->particles_anim_v_frames = "particles_anim_v_frames"; + shader_names->particles_anim_loop = "particles_anim_loop"; +} + +void CanvasItemMaterial::finish_shaders() { + + memdelete(dirty_materials); + memdelete(shader_names); + dirty_materials = nullptr; +} + +void CanvasItemMaterial::_update_shader() { + + dirty_materials->remove(&element); + + MaterialKey mk = _compute_key(); + if (mk.key == current_key.key) + return; //no update required in the end + + if (shader_map.has(current_key)) { + shader_map[current_key].users--; + if (shader_map[current_key].users == 0) { + //deallocate shader, as it's no longer in use + RS::get_singleton()->free(shader_map[current_key].shader); + shader_map.erase(current_key); + } + } + + current_key = mk; + + if (shader_map.has(mk)) { + + RS::get_singleton()->material_set_shader(_get_material(), shader_map[mk].shader); + shader_map[mk].users++; + return; + } + + //must create a shader! + + String code = "shader_type canvas_item;\nrender_mode "; + switch (blend_mode) { + case BLEND_MODE_MIX: code += "blend_mix"; break; + case BLEND_MODE_ADD: code += "blend_add"; break; + case BLEND_MODE_SUB: code += "blend_sub"; break; + case BLEND_MODE_MUL: code += "blend_mul"; break; + case BLEND_MODE_PREMULT_ALPHA: code += "blend_premul_alpha"; break; + case BLEND_MODE_DISABLED: code += "blend_disabled"; break; + } + + switch (light_mode) { + case LIGHT_MODE_NORMAL: break; + case LIGHT_MODE_UNSHADED: code += ",unshaded"; break; + case LIGHT_MODE_LIGHT_ONLY: code += ",light_only"; break; + } + + code += ";\n"; + + if (particles_animation) { + + code += "uniform int particles_anim_h_frames;\n"; + code += "uniform int particles_anim_v_frames;\n"; + code += "uniform bool particles_anim_loop;\n"; + + code += "void vertex() {\n"; + + code += "\tfloat h_frames = float(particles_anim_h_frames);\n"; + code += "\tfloat v_frames = float(particles_anim_v_frames);\n"; + + code += "\tVERTEX.xy /= vec2(h_frames, v_frames);\n"; + + code += "\tfloat particle_total_frames = float(particles_anim_h_frames * particles_anim_v_frames);\n"; + code += "\tfloat particle_frame = floor(INSTANCE_CUSTOM.z * float(particle_total_frames));\n"; + code += "\tif (!particles_anim_loop) {\n"; + code += "\t\tparticle_frame = clamp(particle_frame, 0.0, particle_total_frames - 1.0);\n"; + code += "\t} else {\n"; + code += "\t\tparticle_frame = mod(particle_frame, particle_total_frames);\n"; + code += "\t}"; + code += "\tUV /= vec2(h_frames, v_frames);\n"; + code += "\tUV += vec2(mod(particle_frame, h_frames) / h_frames, floor(particle_frame / h_frames) / v_frames);\n"; + code += "}\n"; + } + + ShaderData shader_data; + shader_data.shader = RS::get_singleton()->shader_create(); + shader_data.users = 1; + + RS::get_singleton()->shader_set_code(shader_data.shader, code); + + shader_map[mk] = shader_data; + + RS::get_singleton()->material_set_shader(_get_material(), shader_data.shader); +} + +void CanvasItemMaterial::flush_changes() { + + MutexLock lock(material_mutex); + + while (dirty_materials->first()) { + + dirty_materials->first()->self()->_update_shader(); + } +} + +void CanvasItemMaterial::_queue_shader_change() { + + MutexLock lock(material_mutex); + + if (!element.in_list()) { + dirty_materials->add(&element); + } +} + +bool CanvasItemMaterial::_is_shader_dirty() const { + + MutexLock lock(material_mutex); + + return element.in_list(); +} +void CanvasItemMaterial::set_blend_mode(BlendMode p_blend_mode) { + + blend_mode = p_blend_mode; + _queue_shader_change(); +} + +CanvasItemMaterial::BlendMode CanvasItemMaterial::get_blend_mode() const { + return blend_mode; +} + +void CanvasItemMaterial::set_light_mode(LightMode p_light_mode) { + + light_mode = p_light_mode; + _queue_shader_change(); +} + +CanvasItemMaterial::LightMode CanvasItemMaterial::get_light_mode() const { + + return light_mode; +} + +void CanvasItemMaterial::set_particles_animation(bool p_particles_anim) { + particles_animation = p_particles_anim; + _queue_shader_change(); + _change_notify(); +} + +bool CanvasItemMaterial::get_particles_animation() const { + return particles_animation; +} + +void CanvasItemMaterial::set_particles_anim_h_frames(int p_frames) { + + particles_anim_h_frames = p_frames; + RS::get_singleton()->material_set_param(_get_material(), shader_names->particles_anim_h_frames, p_frames); +} + +int CanvasItemMaterial::get_particles_anim_h_frames() const { + + return particles_anim_h_frames; +} +void CanvasItemMaterial::set_particles_anim_v_frames(int p_frames) { + + particles_anim_v_frames = p_frames; + RS::get_singleton()->material_set_param(_get_material(), shader_names->particles_anim_v_frames, p_frames); +} + +int CanvasItemMaterial::get_particles_anim_v_frames() const { + + return particles_anim_v_frames; +} + +void CanvasItemMaterial::set_particles_anim_loop(bool p_loop) { + + particles_anim_loop = p_loop; + RS::get_singleton()->material_set_param(_get_material(), shader_names->particles_anim_loop, particles_anim_loop); +} + +bool CanvasItemMaterial::get_particles_anim_loop() const { + + return particles_anim_loop; +} + +void CanvasItemMaterial::_validate_property(PropertyInfo &property) const { + if (property.name.begins_with("particles_anim_") && !particles_animation) { + property.usage = 0; + } +} + +RID CanvasItemMaterial::get_shader_rid() const { + + ERR_FAIL_COND_V(!shader_map.has(current_key), RID()); + return shader_map[current_key].shader; +} + +Shader::Mode CanvasItemMaterial::get_shader_mode() const { + + return Shader::MODE_CANVAS_ITEM; +} + +void CanvasItemMaterial::_bind_methods() { + + ClassDB::bind_method(D_METHOD("set_blend_mode", "blend_mode"), &CanvasItemMaterial::set_blend_mode); + ClassDB::bind_method(D_METHOD("get_blend_mode"), &CanvasItemMaterial::get_blend_mode); + + ClassDB::bind_method(D_METHOD("set_light_mode", "light_mode"), &CanvasItemMaterial::set_light_mode); + ClassDB::bind_method(D_METHOD("get_light_mode"), &CanvasItemMaterial::get_light_mode); + + ClassDB::bind_method(D_METHOD("set_particles_animation", "particles_anim"), &CanvasItemMaterial::set_particles_animation); + ClassDB::bind_method(D_METHOD("get_particles_animation"), &CanvasItemMaterial::get_particles_animation); + + ClassDB::bind_method(D_METHOD("set_particles_anim_h_frames", "frames"), &CanvasItemMaterial::set_particles_anim_h_frames); + ClassDB::bind_method(D_METHOD("get_particles_anim_h_frames"), &CanvasItemMaterial::get_particles_anim_h_frames); + + ClassDB::bind_method(D_METHOD("set_particles_anim_v_frames", "frames"), &CanvasItemMaterial::set_particles_anim_v_frames); + ClassDB::bind_method(D_METHOD("get_particles_anim_v_frames"), &CanvasItemMaterial::get_particles_anim_v_frames); + + ClassDB::bind_method(D_METHOD("set_particles_anim_loop", "loop"), &CanvasItemMaterial::set_particles_anim_loop); + ClassDB::bind_method(D_METHOD("get_particles_anim_loop"), &CanvasItemMaterial::get_particles_anim_loop); + + ADD_PROPERTY(PropertyInfo(Variant::INT, "blend_mode", PROPERTY_HINT_ENUM, "Mix,Add,Sub,Mul,Premult Alpha"), "set_blend_mode", "get_blend_mode"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "light_mode", PROPERTY_HINT_ENUM, "Normal,Unshaded,Light Only"), "set_light_mode", "get_light_mode"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "particles_animation"), "set_particles_animation", "get_particles_animation"); + + ADD_PROPERTY(PropertyInfo(Variant::INT, "particles_anim_h_frames", PROPERTY_HINT_RANGE, "1,128,1"), "set_particles_anim_h_frames", "get_particles_anim_h_frames"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "particles_anim_v_frames", PROPERTY_HINT_RANGE, "1,128,1"), "set_particles_anim_v_frames", "get_particles_anim_v_frames"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "particles_anim_loop"), "set_particles_anim_loop", "get_particles_anim_loop"); + + BIND_ENUM_CONSTANT(BLEND_MODE_MIX); + BIND_ENUM_CONSTANT(BLEND_MODE_ADD); + BIND_ENUM_CONSTANT(BLEND_MODE_SUB); + BIND_ENUM_CONSTANT(BLEND_MODE_MUL); + BIND_ENUM_CONSTANT(BLEND_MODE_PREMULT_ALPHA); + + BIND_ENUM_CONSTANT(LIGHT_MODE_NORMAL); + BIND_ENUM_CONSTANT(LIGHT_MODE_UNSHADED); + BIND_ENUM_CONSTANT(LIGHT_MODE_LIGHT_ONLY); +} + +CanvasItemMaterial::CanvasItemMaterial() : + element(this) { + + blend_mode = BLEND_MODE_MIX; + light_mode = LIGHT_MODE_NORMAL; + particles_animation = false; + + set_particles_anim_h_frames(1); + set_particles_anim_v_frames(1); + set_particles_anim_loop(false); + + current_key.key = 0; + current_key.invalid_key = 1; + _queue_shader_change(); +} + +CanvasItemMaterial::~CanvasItemMaterial() { + + MutexLock lock(material_mutex); + + if (shader_map.has(current_key)) { + shader_map[current_key].users--; + if (shader_map[current_key].users == 0) { + //deallocate shader, as it's no longer in use + RS::get_singleton()->free(shader_map[current_key].shader); + shader_map.erase(current_key); + } + + RS::get_singleton()->material_set_shader(_get_material(), RID()); + } +} + +/////////////////////////////////////////////////////////////////// +#ifdef TOOLS_ENABLED +bool CanvasItem::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const { + if (_edit_use_rect()) { + return _edit_get_rect().has_point(p_point); + } else { + return p_point.length() < p_tolerance; + } +} + +Transform2D CanvasItem::_edit_get_transform() const { + return Transform2D(_edit_get_rotation(), _edit_get_position() + _edit_get_pivot()); +} +#endif + +bool CanvasItem::is_visible_in_tree() const { + + if (!is_inside_tree()) + return false; + + const CanvasItem *p = this; + + while (p) { + if (!p->visible) + return false; + if (p->window && !p->window->is_visible()) { + return false; + } + p = p->get_parent_item(); + } + + return true; +} + +void CanvasItem::_propagate_visibility_changed(bool p_visible) { + + if (p_visible && first_draw) { //avoid propagating it twice + first_draw = false; + } + notification(NOTIFICATION_VISIBILITY_CHANGED); + + if (p_visible) + update(); //todo optimize + else + emit_signal(SceneStringNames::get_singleton()->hide); + _block(); + + for (int i = 0; i < get_child_count(); i++) { + + CanvasItem *c = Object::cast_to<CanvasItem>(get_child(i)); + + if (c && c->visible) //should the toplevels stop propagation? i think so but.. + c->_propagate_visibility_changed(p_visible); + } + + _unblock(); +} + +void CanvasItem::show() { + + if (visible) + return; + + visible = true; + RenderingServer::get_singleton()->canvas_item_set_visible(canvas_item, true); + + if (!is_inside_tree()) + return; + + _propagate_visibility_changed(true); + _change_notify("visible"); +} + +void CanvasItem::hide() { + + if (!visible) + return; + + visible = false; + RenderingServer::get_singleton()->canvas_item_set_visible(canvas_item, false); + + if (!is_inside_tree()) + return; + + _propagate_visibility_changed(false); + _change_notify("visible"); +} + +CanvasItem *CanvasItem::current_item_drawn = nullptr; +CanvasItem *CanvasItem::get_current_item_drawn() { + return current_item_drawn; +} + +void CanvasItem::_update_callback() { + + if (!is_inside_tree()) { + pending_update = false; + return; + } + + RenderingServer::get_singleton()->canvas_item_clear(get_canvas_item()); + //todo updating = true - only allow drawing here + if (is_visible_in_tree()) { //todo optimize this!! + if (first_draw) { + notification(NOTIFICATION_VISIBILITY_CHANGED); + first_draw = false; + } + drawing = true; + current_item_drawn = this; + notification(NOTIFICATION_DRAW); + emit_signal(SceneStringNames::get_singleton()->draw); + if (get_script_instance()) { + get_script_instance()->call_multilevel_reversed(SceneStringNames::get_singleton()->_draw, nullptr, 0); + } + current_item_drawn = nullptr; + drawing = false; + } + //todo updating = false + pending_update = false; // don't change to false until finished drawing (avoid recursive update) +} + +Transform2D CanvasItem::get_global_transform_with_canvas() const { + + if (canvas_layer) + return canvas_layer->get_transform() * get_global_transform(); + else if (is_inside_tree()) + return get_viewport()->get_canvas_transform() * get_global_transform(); + else + return get_global_transform(); +} + +Transform2D CanvasItem::get_screen_transform() const { + ERR_FAIL_COND_V(!is_inside_tree(), Transform2D()); + Transform2D xform = get_global_transform_with_canvas(); + + Window *w = Object::cast_to<Window>(get_viewport()); + if (w && !w->is_embedding_subwindows()) { + Transform2D s; + s.set_origin(w->get_position()); + + xform = s * xform; + } + + return xform; +} + +Transform2D CanvasItem::get_global_transform() const { +#ifdef DEBUG_ENABLED + ERR_FAIL_COND_V(!is_inside_tree(), get_transform()); +#endif + if (global_invalid) { + + const CanvasItem *pi = get_parent_item(); + if (pi) + global_transform = pi->get_global_transform() * get_transform(); + else + global_transform = get_transform(); + + global_invalid = false; + } + + return global_transform; +} + +void CanvasItem::_toplevel_raise_self() { + + if (!is_inside_tree()) + return; + + if (canvas_layer) + RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, canvas_layer->get_sort_index()); + else + RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_viewport()->gui_get_canvas_sort_index()); +} + +void CanvasItem::_enter_canvas() { + + if ((!Object::cast_to<CanvasItem>(get_parent())) || toplevel) { + + Node *n = this; + + canvas_layer = nullptr; + + while (n) { + + canvas_layer = Object::cast_to<CanvasLayer>(n); + if (canvas_layer) { + break; + } + if (Object::cast_to<Viewport>(n)) { + break; + } + n = n->get_parent(); + } + + RID canvas; + if (canvas_layer) + canvas = canvas_layer->get_canvas(); + else + canvas = get_viewport()->find_world_2d()->get_canvas(); + + RenderingServer::get_singleton()->canvas_item_set_parent(canvas_item, canvas); + + group = "root_canvas" + itos(canvas.get_id()); + + add_to_group(group); + if (canvas_layer) + canvas_layer->reset_sort_index(); + else + get_viewport()->gui_reset_canvas_sort_index(); + + get_tree()->call_group_flags(SceneTree::GROUP_CALL_UNIQUE, group, "_toplevel_raise_self"); + + } else { + + CanvasItem *parent = get_parent_item(); + canvas_layer = parent->canvas_layer; + RenderingServer::get_singleton()->canvas_item_set_parent(canvas_item, parent->get_canvas_item()); + RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_index()); + } + + pending_update = false; + update(); + + notification(NOTIFICATION_ENTER_CANVAS); +} + +void CanvasItem::_exit_canvas() { + + notification(NOTIFICATION_EXIT_CANVAS, true); //reverse the notification + RenderingServer::get_singleton()->canvas_item_set_parent(canvas_item, RID()); + canvas_layer = nullptr; + group = ""; +} + +void CanvasItem::_notification(int p_what) { + + switch (p_what) { + case NOTIFICATION_ENTER_TREE: { + + _update_texture_filter_changed(false); + _update_texture_repeat_changed(false); + + first_draw = true; + Node *parent = get_parent(); + if (parent) { + CanvasItem *ci = Object::cast_to<CanvasItem>(parent); + if (ci) + C = ci->children_items.push_back(this); + if (!ci) { + //look for a window + Viewport *viewport = nullptr; + + while (parent) { + viewport = Object::cast_to<Viewport>(parent); + if (viewport) { + break; + } + parent = parent->get_parent(); + } + + ERR_FAIL_COND(!viewport); + + window = Object::cast_to<Window>(viewport); + if (window) { + window->connect(SceneStringNames::get_singleton()->visibility_changed, callable_mp(this, &CanvasItem::_window_visibility_changed)); + } + } + } + _enter_canvas(); + if (!block_transform_notify && !xform_change.in_list()) { + get_tree()->xform_change_list.add(&xform_change); + } + } break; + case NOTIFICATION_MOVED_IN_PARENT: { + + if (!is_inside_tree()) + break; + + if (group != "") { + get_tree()->call_group_flags(SceneTree::GROUP_CALL_UNIQUE, group, "_toplevel_raise_self"); + } else { + CanvasItem *p = get_parent_item(); + ERR_FAIL_COND(!p); + RenderingServer::get_singleton()->canvas_item_set_draw_index(canvas_item, get_index()); + } + + } break; + case NOTIFICATION_EXIT_TREE: { + if (xform_change.in_list()) + get_tree()->xform_change_list.remove(&xform_change); + _exit_canvas(); + if (C) { + Object::cast_to<CanvasItem>(get_parent())->children_items.erase(C); + C = nullptr; + } + if (window) { + window->disconnect(SceneStringNames::get_singleton()->visibility_changed, callable_mp(this, &CanvasItem::_window_visibility_changed)); + } + global_invalid = true; + } break; + case NOTIFICATION_DRAW: + case NOTIFICATION_TRANSFORM_CHANGED: { + + } break; + case NOTIFICATION_VISIBILITY_CHANGED: { + + emit_signal(SceneStringNames::get_singleton()->visibility_changed); + } break; + } +} + +void CanvasItem::set_visible(bool p_visible) { + + if (p_visible) + show(); + else + hide(); +} + +void CanvasItem::_window_visibility_changed() { + + if (visible) { + _propagate_visibility_changed(window->is_visible()); + } +} + +bool CanvasItem::is_visible() const { + + return visible; +} + +void CanvasItem::update() { + + if (!is_inside_tree()) + return; + if (pending_update) + return; + + pending_update = true; + + MessageQueue::get_singleton()->push_call(this, "_update_callback"); +} + +void CanvasItem::set_modulate(const Color &p_modulate) { + + if (modulate == p_modulate) + return; + + modulate = p_modulate; + RenderingServer::get_singleton()->canvas_item_set_modulate(canvas_item, modulate); +} +Color CanvasItem::get_modulate() const { + + return modulate; +} + +void CanvasItem::set_as_toplevel(bool p_toplevel) { + + if (toplevel == p_toplevel) + return; + + if (!is_inside_tree()) { + toplevel = p_toplevel; + return; + } + + _exit_canvas(); + toplevel = p_toplevel; + _enter_canvas(); +} + +bool CanvasItem::is_set_as_toplevel() const { + + return toplevel; +} + +CanvasItem *CanvasItem::get_parent_item() const { + + if (toplevel) + return nullptr; + + return Object::cast_to<CanvasItem>(get_parent()); +} + +void CanvasItem::set_self_modulate(const Color &p_self_modulate) { + + if (self_modulate == p_self_modulate) + return; + + self_modulate = p_self_modulate; + RenderingServer::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) { + + if (light_mask == p_light_mask) + return; + + light_mask = p_light_mask; + RS::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) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + RenderingServer::get_singleton()->canvas_item_add_line(canvas_item, p_from, p_to, p_color, p_width); +} + +void CanvasItem::draw_polyline(const Vector<Point2> &p_points, const Color &p_color, float p_width) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + Vector<Color> colors; + colors.push_back(p_color); + RenderingServer::get_singleton()->canvas_item_add_polyline(canvas_item, p_points, colors, p_width); +} + +void CanvasItem::draw_polyline_colors(const Vector<Point2> &p_points, const Vector<Color> &p_colors, float p_width) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + RenderingServer::get_singleton()->canvas_item_add_polyline(canvas_item, p_points, p_colors, p_width); +} + +void CanvasItem::draw_arc(const Vector2 &p_center, float p_radius, float p_start_angle, float p_end_angle, int p_point_count, const Color &p_color, float p_width) { + + Vector<Point2> points; + points.resize(p_point_count); + const float delta_angle = p_end_angle - p_start_angle; + for (int i = 0; i < p_point_count; i++) { + float theta = (i / (p_point_count - 1.0f)) * delta_angle + p_start_angle; + points.set(i, p_center + Vector2(Math::cos(theta), Math::sin(theta)) * p_radius); + } + + draw_polyline(points, p_color, p_width); +} + +void CanvasItem::draw_multiline(const Vector<Point2> &p_points, const Color &p_color, float p_width) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + Vector<Color> colors; + colors.push_back(p_color); + RenderingServer::get_singleton()->canvas_item_add_multiline(canvas_item, p_points, colors, p_width); +} + +void CanvasItem::draw_multiline_colors(const Vector<Point2> &p_points, const Vector<Color> &p_colors, float p_width) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + RenderingServer::get_singleton()->canvas_item_add_multiline(canvas_item, p_points, p_colors, p_width); +} + +void CanvasItem::draw_rect(const Rect2 &p_rect, const Color &p_color, bool p_filled, float p_width) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + if (p_filled) { + if (p_width != 1.0) { + WARN_PRINT("The draw_rect() \"width\" argument has no effect when \"filled\" is \"true\"."); + } + + RenderingServer::get_singleton()->canvas_item_add_rect(canvas_item, p_rect, p_color); + } else { + // Thick lines are offset depending on their width to avoid partial overlapping. + // Thin lines don't require an offset, so don't apply one in this case + float offset; + if (p_width >= 2) { + offset = p_width / 2.0; + } else { + offset = 0.0; + } + + RenderingServer::get_singleton()->canvas_item_add_line( + canvas_item, + p_rect.position + Size2(-offset, 0), + p_rect.position + Size2(p_rect.size.width + offset, 0), + p_color, + p_width); + RenderingServer::get_singleton()->canvas_item_add_line( + canvas_item, + p_rect.position + Size2(p_rect.size.width, offset), + p_rect.position + Size2(p_rect.size.width, p_rect.size.height - offset), + p_color, + p_width); + RenderingServer::get_singleton()->canvas_item_add_line( + canvas_item, + p_rect.position + Size2(p_rect.size.width + offset, p_rect.size.height), + p_rect.position + Size2(-offset, p_rect.size.height), + p_color, + p_width); + RenderingServer::get_singleton()->canvas_item_add_line( + canvas_item, + p_rect.position + Size2(0, p_rect.size.height - offset), + p_rect.position + Size2(0, offset), + p_color, + p_width); + } +} + +void CanvasItem::draw_circle(const Point2 &p_pos, float p_radius, const Color &p_color) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + RenderingServer::get_singleton()->canvas_item_add_circle(canvas_item, p_pos, p_radius, p_color); +} + +void CanvasItem::draw_texture(const Ref<Texture2D> &p_texture, const Point2 &p_pos, const Color &p_modulate, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + ERR_FAIL_COND(p_texture.is_null()); + + p_texture->draw(canvas_item, p_pos, p_modulate, false, p_normal_map, p_specular_map, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} + +void CanvasItem::draw_texture_rect(const Ref<Texture2D> &p_texture, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + ERR_FAIL_COND(p_texture.is_null()); + p_texture->draw_rect(canvas_item, p_rect, p_tile, p_modulate, p_transpose, p_normal_map, p_specular_map, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} +void CanvasItem::draw_texture_rect_region(const Ref<Texture2D> &p_texture, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, bool p_clip_uv, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + 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_specular_map, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat), p_clip_uv); +} + +void CanvasItem::draw_style_box(const Ref<StyleBox> &p_style_box, const Rect2 &p_rect) { + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + 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<Texture2D> p_texture, float p_width, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + 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(); + RID rid_specular = p_specular_map.is_valid() ? p_specular_map->get_rid() : RID(); + + RenderingServer::get_singleton()->canvas_item_add_primitive(canvas_item, p_points, p_colors, p_uvs, rid, p_width, rid_normal, rid_specular, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} +void CanvasItem::draw_set_transform(const Point2 &p_offset, float p_rot, const Size2 &p_scale) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + Transform2D xform(p_rot, p_offset); + xform.scale_basis(p_scale); + RenderingServer::get_singleton()->canvas_item_add_set_transform(canvas_item, xform); +} + +void CanvasItem::draw_set_transform_matrix(const Transform2D &p_matrix) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + RenderingServer::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<Texture2D> p_texture, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + 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(); + RID rid_specular = p_specular_map.is_valid() ? p_specular_map->get_rid() : RID(); + + RenderingServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, p_colors, p_uvs, rid, rid_normal, rid_specular, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} + +void CanvasItem::draw_colored_polygon(const Vector<Point2> &p_points, const Color &p_color, const Vector<Point2> &p_uvs, Ref<Texture2D> p_texture, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + 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(); + RID rid_specular = p_specular_map.is_valid() ? p_specular_map->get_rid() : RID(); + + RenderingServer::get_singleton()->canvas_item_add_polygon(canvas_item, p_points, colors, p_uvs, rid, rid_normal, rid_specular, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} + +void CanvasItem::draw_mesh(const Ref<Mesh> &p_mesh, const Ref<Texture2D> &p_texture, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, const Transform2D &p_transform, const Color &p_modulate, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND(p_mesh.is_null()); + RID texture_rid = p_texture.is_valid() ? p_texture->get_rid() : RID(); + RID normal_map_rid = p_normal_map.is_valid() ? p_normal_map->get_rid() : RID(); + RID specular_map_rid = p_specular_map.is_valid() ? p_specular_map->get_rid() : RID(); + + RenderingServer::get_singleton()->canvas_item_add_mesh(canvas_item, p_mesh->get_rid(), p_transform, p_modulate, texture_rid, normal_map_rid, specular_map_rid, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} +void CanvasItem::draw_multimesh(const Ref<MultiMesh> &p_multimesh, const Ref<Texture2D> &p_texture, const Ref<Texture2D> &p_normal_map, const Ref<Texture2D> &p_specular_map, const Color &p_specular_color_shininess, TextureFilter p_texture_filter, TextureRepeat p_texture_repeat) { + + ERR_FAIL_COND(p_multimesh.is_null()); + RID texture_rid = p_texture.is_valid() ? p_texture->get_rid() : RID(); + RID normal_map_rid = p_normal_map.is_valid() ? p_normal_map->get_rid() : RID(); + RID specular_map_rid = p_specular_map.is_valid() ? p_specular_map->get_rid() : RID(); + + RenderingServer::get_singleton()->canvas_item_add_multimesh(canvas_item, p_multimesh->get_rid(), texture_rid, normal_map_rid, specular_map_rid, p_specular_color_shininess, RS::CanvasItemTextureFilter(p_texture_filter), RS::CanvasItemTextureRepeat(p_texture_repeat)); +} + +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) { + + ERR_FAIL_COND_MSG(!drawing, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + 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) { + + ERR_FAIL_COND_V_MSG(!drawing, 0, "Drawing is only allowed inside NOTIFICATION_DRAW, _draw() function or 'draw' signal."); + + ERR_FAIL_COND_V(p_char.length() != 1, 0); + ERR_FAIL_COND_V(p_font.is_null(), 0); + + if (p_font->has_outline()) { + p_font->draw_char(canvas_item, p_pos, p_char[0], p_next.c_str()[0], Color(1, 1, 1), true); + } + 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) { + + /* This check exists to avoid re-propagating the transform + * notification down the tree on dirty nodes. It provides + * optimization by avoiding redundancy (nodes are dirty, will get the + * notification anyway). + */ + + 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_canvas(); + else + return get_viewport()->find_world_2d()->get_canvas(); +} + +ObjectID CanvasItem::get_canvas_layer_instance_id() const { + + if (canvas_layer) { + return canvas_layer->get_instance_id(); + } else { + return ObjectID(); + } +} + +CanvasItem *CanvasItem::get_toplevel() const { + + CanvasItem *ci = const_cast<CanvasItem *>(this); + while (!ci->toplevel && Object::cast_to<CanvasItem>(ci->get_parent())) { + ci = Object::cast_to<CanvasItem>(ci->get_parent()); + } + + return ci; +} + +Ref<World2D> CanvasItem::get_world_2d() const { + + ERR_FAIL_COND_V(!is_inside_tree(), Ref<World2D>()); + + CanvasItem *tl = get_toplevel(); + + 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; + RenderingServer::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(); + RS::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; + RS::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_position_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(p_event.is_null(), p_event); + 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_position() const { + + ERR_FAIL_COND_V(!get_viewport(), Vector2()); + + return get_global_transform().affine_inverse().xform(get_global_mouse_position()); +} + +void CanvasItem::force_update_transform() { + ERR_FAIL_COND(!is_inside_tree()); + if (!xform_change.in_list()) { + return; + } + + get_tree()->xform_change_list.remove(&xform_change); + + notification(NOTIFICATION_TRANSFORM_CHANGED); +} + +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); + +#ifdef TOOLS_ENABLED + ClassDB::bind_method(D_METHOD("_edit_set_state", "state"), &CanvasItem::_edit_set_state); + ClassDB::bind_method(D_METHOD("_edit_get_state"), &CanvasItem::_edit_get_state); + ClassDB::bind_method(D_METHOD("_edit_set_position", "position"), &CanvasItem::_edit_set_position); + ClassDB::bind_method(D_METHOD("_edit_get_position"), &CanvasItem::_edit_get_position); + ClassDB::bind_method(D_METHOD("_edit_set_scale", "scale"), &CanvasItem::_edit_set_scale); + ClassDB::bind_method(D_METHOD("_edit_get_scale"), &CanvasItem::_edit_get_scale); + ClassDB::bind_method(D_METHOD("_edit_set_rect", "rect"), &CanvasItem::_edit_set_rect); + ClassDB::bind_method(D_METHOD("_edit_get_rect"), &CanvasItem::_edit_get_rect); + ClassDB::bind_method(D_METHOD("_edit_use_rect"), &CanvasItem::_edit_use_rect); + ClassDB::bind_method(D_METHOD("_edit_set_rotation", "degrees"), &CanvasItem::_edit_set_rotation); + ClassDB::bind_method(D_METHOD("_edit_get_rotation"), &CanvasItem::_edit_get_rotation); + ClassDB::bind_method(D_METHOD("_edit_use_rotation"), &CanvasItem::_edit_use_rotation); + ClassDB::bind_method(D_METHOD("_edit_set_pivot", "pivot"), &CanvasItem::_edit_set_pivot); + ClassDB::bind_method(D_METHOD("_edit_get_pivot"), &CanvasItem::_edit_get_pivot); + ClassDB::bind_method(D_METHOD("_edit_use_pivot"), &CanvasItem::_edit_use_pivot); + ClassDB::bind_method(D_METHOD("_edit_get_transform"), &CanvasItem::_edit_get_transform); +#endif + + 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"), &CanvasItem::draw_line, DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_polyline", "points", "color", "width"), &CanvasItem::draw_polyline, DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_polyline_colors", "points", "colors", "width"), &CanvasItem::draw_polyline_colors, DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_arc", "center", "radius", "start_angle", "end_angle", "point_count", "color", "width"), &CanvasItem::draw_arc, DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_multiline", "points", "color", "width"), &CanvasItem::draw_multiline, DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_multiline_colors", "points", "colors", "width"), &CanvasItem::draw_multiline_colors, DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_rect", "rect", "color", "filled", "width"), &CanvasItem::draw_rect, DEFVAL(true), DEFVAL(1.0)); + ClassDB::bind_method(D_METHOD("draw_circle", "position", "radius", "color"), &CanvasItem::draw_circle); + ClassDB::bind_method(D_METHOD("draw_texture", "texture", "position", "modulate", "normal_map", "specular_map", "specular_shininess", "texture_filter", "texture_repeat"), &CanvasItem::draw_texture, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_texture_rect", "texture", "rect", "tile", "modulate", "transpose", "normal_map", "specular_map", "specular_shininess", "texture_filter", "texture_repeat"), &CanvasItem::draw_texture_rect, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(false), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_texture_rect_region", "texture", "rect", "src_rect", "modulate", "transpose", "normal_map", "specular_map", "specular_shininess", "clip_uv", "texture_filter", "texture_repeat"), &CanvasItem::draw_texture_rect_region, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(false), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(true), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_style_box", "style_box", "rect"), &CanvasItem::draw_style_box); + ClassDB::bind_method(D_METHOD("draw_primitive", "points", "colors", "uvs", "texture", "width", "normal_map", "specular_map", "specular_shininess", "texture_filter", "texture_repeat"), &CanvasItem::draw_primitive, DEFVAL(Ref<Texture2D>()), DEFVAL(1.0), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_polygon", "points", "colors", "uvs", "texture", "normal_map", "specular_map", "specular_shininess", "texture_filter", "texture_repeat"), &CanvasItem::draw_polygon, DEFVAL(PackedVector2Array()), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_colored_polygon", "points", "color", "uvs", "texture", "normal_map", "specular_map", "specular_shininess", "texture_filter", "texture_repeat"), &CanvasItem::draw_colored_polygon, DEFVAL(PackedVector2Array()), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_string", "font", "position", "text", "modulate", "clip_w"), &CanvasItem::draw_string, DEFVAL(Color(1, 1, 1, 1)), DEFVAL(-1)); + ClassDB::bind_method(D_METHOD("draw_char", "font", "position", "char", "next", "modulate"), &CanvasItem::draw_char, DEFVAL(Color(1, 1, 1, 1))); + ClassDB::bind_method(D_METHOD("draw_mesh", "mesh", "texture", "normal_map", "specular_map", "specular_shininess", "transform", "modulate", "texture_filter", "texture_repeat"), &CanvasItem::draw_mesh, DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(Transform2D()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + ClassDB::bind_method(D_METHOD("draw_multimesh", "multimesh", "texture", "normal_map", "specular_map", "specular_shininess", "texture_filter", "texture_repeat"), &CanvasItem::draw_multimesh, DEFVAL(Ref<Texture2D>()), DEFVAL(Ref<Texture2D>()), DEFVAL(Color(1, 1, 1, 1)), DEFVAL(TEXTURE_FILTER_PARENT_NODE), DEFVAL(TEXTURE_REPEAT_PARENT_NODE)); + + ClassDB::bind_method(D_METHOD("draw_set_transform", "position", "rotation", "scale"), &CanvasItem::draw_set_transform); + ClassDB::bind_method(D_METHOD("draw_set_transform_matrix", "xform"), &CanvasItem::draw_set_transform_matrix); + ClassDB::bind_method(D_METHOD("get_transform"), &CanvasItem::get_transform); + ClassDB::bind_method(D_METHOD("get_global_transform"), &CanvasItem::get_global_transform); + ClassDB::bind_method(D_METHOD("get_global_transform_with_canvas"), &CanvasItem::get_global_transform_with_canvas); + ClassDB::bind_method(D_METHOD("get_viewport_transform"), &CanvasItem::get_viewport_transform); + ClassDB::bind_method(D_METHOD("get_viewport_rect"), &CanvasItem::get_viewport_rect); + ClassDB::bind_method(D_METHOD("get_canvas_transform"), &CanvasItem::get_canvas_transform); + ClassDB::bind_method(D_METHOD("get_local_mouse_position"), &CanvasItem::get_local_mouse_position); + 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"), &CanvasItem::get_world_2d); + //ClassDB::bind_method(D_METHOD("get_viewport"),&CanvasItem::get_viewport); + + ClassDB::bind_method(D_METHOD("set_material", "material"), &CanvasItem::set_material); + ClassDB::bind_method(D_METHOD("get_material"), &CanvasItem::get_material); + + 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); + + 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("force_update_transform"), &CanvasItem::force_update_transform); + + ClassDB::bind_method(D_METHOD("make_canvas_position_local", "screen_point"), &CanvasItem::make_canvas_position_local); + ClassDB::bind_method(D_METHOD("make_input_local", "event"), &CanvasItem::make_input_local); + + ClassDB::bind_method(D_METHOD("set_texture_filter", "mode"), &CanvasItem::set_texture_filter); + ClassDB::bind_method(D_METHOD("get_texture_filter"), &CanvasItem::get_texture_filter); + + ClassDB::bind_method(D_METHOD("set_texture_repeat", "mode"), &CanvasItem::set_texture_repeat); + ClassDB::bind_method(D_METHOD("get_texture_repeat"), &CanvasItem::get_texture_repeat); + + BIND_VMETHOD(MethodInfo("_draw")); + + ADD_GROUP("Visibility", ""); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "visible"), "set_visible", "is_visible"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "modulate"), "set_modulate", "get_modulate"); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "self_modulate"), "set_self_modulate", "get_self_modulate"); + ADD_PROPERTY(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_PROPERTY(PropertyInfo(Variant::INT, "light_mask", PROPERTY_HINT_LAYERS_2D_RENDER), "set_light_mask", "get_light_mask"); + + ADD_GROUP("Texture", "texture_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_filter", PROPERTY_HINT_ENUM, "ParentNode,Nearest,Linear,MipmapNearest,MipmapLinear,MipmapNearestAniso,MipmapLinearAniso"), "set_texture_filter", "get_texture_filter"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "texture_repeat", PROPERTY_HINT_ENUM, "ParentNode,Disabled,Enabled,Mirror"), "set_texture_repeat", "get_texture_repeat"); + + ADD_GROUP("Material", ""); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "material", PROPERTY_HINT_RESOURCE_TYPE, "ShaderMaterial,CanvasItemMaterial"), "set_material", "get_material"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_parent_material"), "set_use_parent_material", "get_use_parent_material"); + //exporting these things doesn't really make much sense i think + // ADD_PROPERTY(PropertyInfo(Variant::BOOL, "toplevel", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "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(NOTIFICATION_TRANSFORM_CHANGED); + BIND_CONSTANT(NOTIFICATION_DRAW); + BIND_CONSTANT(NOTIFICATION_VISIBILITY_CHANGED); + BIND_CONSTANT(NOTIFICATION_ENTER_CANVAS); + BIND_CONSTANT(NOTIFICATION_EXIT_CANVAS); + + BIND_ENUM_CONSTANT(TEXTURE_FILTER_PARENT_NODE); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_NEAREST); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_LINEAR); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_LINEAR_WITH_MIPMAPS); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC); + BIND_ENUM_CONSTANT(TEXTURE_FILTER_MAX); + + BIND_ENUM_CONSTANT(TEXTURE_REPEAT_PARENT_NODE); + BIND_ENUM_CONSTANT(TEXTURE_REPEAT_DISABLED); + BIND_ENUM_CONSTANT(TEXTURE_REPEAT_ENABLED); + BIND_ENUM_CONSTANT(TEXTURE_REPEAT_MIRROR); + BIND_ENUM_CONSTANT(TEXTURE_REPEAT_MAX); +} + +Transform2D CanvasItem::get_canvas_transform() const { + + ERR_FAIL_COND_V(!is_inside_tree(), Transform2D()); + + if (canvas_layer) + return canvas_layer->get_transform(); + else if (Object::cast_to<CanvasItem>(get_parent())) + return Object::cast_to<CanvasItem>(get_parent())->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; +} + +void CanvasItem::_update_texture_filter_changed(bool p_propagate) { + + if (!is_inside_tree()) { + return; + } + + if (texture_filter == TEXTURE_FILTER_PARENT_NODE) { + CanvasItem *parent_item = get_parent_item(); + if (parent_item) { + texture_filter_cache = parent_item->texture_filter_cache; + } else { + //from viewport + switch (get_viewport()->get_default_canvas_item_texture_filter()) { + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_NEAREST: texture_filter_cache = RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST; break; + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_LINEAR: texture_filter_cache = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR; break; + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: texture_filter_cache = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS; break; + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: texture_filter_cache = RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS; break; + default: { + } + } + } + } else { + texture_filter_cache = RS::CanvasItemTextureFilter(texture_filter); + } + RS::get_singleton()->canvas_item_set_default_texture_filter(get_canvas_item(), texture_filter_cache); + update(); + + if (p_propagate) { + for (List<CanvasItem *>::Element *E = children_items.front(); E; E = E->next()) { + if (!E->get()->toplevel && E->get()->texture_filter == TEXTURE_FILTER_PARENT_NODE) { + E->get()->_update_texture_filter_changed(true); + } + } + } +} + +void CanvasItem::set_texture_filter(TextureFilter p_texture_filter) { + ERR_FAIL_INDEX(p_texture_filter, TEXTURE_FILTER_MAX); + if (texture_filter == p_texture_filter) { + return; + } + texture_filter = p_texture_filter; + _update_texture_filter_changed(true); +} + +CanvasItem::TextureFilter CanvasItem::get_texture_filter() const { + return texture_filter; +} + +void CanvasItem::_update_texture_repeat_changed(bool p_propagate) { + + if (!is_inside_tree()) { + return; + } + + if (texture_repeat == TEXTURE_REPEAT_PARENT_NODE) { + CanvasItem *parent_item = get_parent_item(); + if (parent_item) { + texture_repeat_cache = parent_item->texture_repeat_cache; + } else { + //from viewport + switch (get_viewport()->get_default_canvas_item_texture_repeat()) { + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_REPEAT_DISABLED: texture_repeat_cache = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED; break; + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_REPEAT_ENABLED: texture_repeat_cache = RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED; break; + case Viewport::DEFAULT_CANVAS_ITEM_TEXTURE_REPEAT_MIRROR: texture_repeat_cache = RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR; break; + default: { + } + } + } + } else { + texture_repeat_cache = RS::CanvasItemTextureRepeat(texture_repeat); + } + RS::get_singleton()->canvas_item_set_default_texture_repeat(get_canvas_item(), texture_repeat_cache); + update(); + if (p_propagate) { + for (List<CanvasItem *>::Element *E = children_items.front(); E; E = E->next()) { + if (!E->get()->toplevel && E->get()->texture_repeat == TEXTURE_REPEAT_PARENT_NODE) { + E->get()->_update_texture_repeat_changed(true); + } + } + } +} + +void CanvasItem::set_texture_repeat(TextureRepeat p_texture_repeat) { + ERR_FAIL_INDEX(p_texture_repeat, TEXTURE_REPEAT_MAX); + if (texture_repeat == p_texture_repeat) { + return; + } + texture_repeat = p_texture_repeat; + _update_texture_repeat_changed(true); +} + +CanvasItem::TextureRepeat CanvasItem::get_texture_repeat() const { + return texture_repeat; +} + +CanvasItem::CanvasItem() : + xform_change(this) { + + window = nullptr; + canvas_item = RenderingServer::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; + canvas_layer = nullptr; + use_parent_material = false; + global_invalid = true; + notify_local_transform = false; + notify_transform = false; + light_mask = 1; + texture_repeat = TEXTURE_REPEAT_PARENT_NODE; + texture_filter = TEXTURE_FILTER_PARENT_NODE; + texture_filter_cache = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR; + texture_repeat_cache = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED; + + C = nullptr; +} + +CanvasItem::~CanvasItem() { + + RenderingServer::get_singleton()->free(canvas_item); +} |