mirror of
https://github.com/godotengine/godot
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293 lines
10 KiB
C++
293 lines
10 KiB
C++
/**************************************************************************/
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/* parallax_2d.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "parallax_2d.h"
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#include "core/config/project_settings.h"
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void Parallax2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_TREE: {
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group_name = "__cameras_" + itos(get_viewport_rid().get_id());
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add_to_group(group_name);
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_update_repeat();
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_update_scroll();
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} break;
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case NOTIFICATION_READY: {
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_update_process();
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} break;
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case NOTIFICATION_INTERNAL_PROCESS: {
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autoscroll_offset += autoscroll * get_process_delta_time();
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autoscroll_offset = autoscroll_offset.posmodv(repeat_size);
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_update_scroll();
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} break;
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case NOTIFICATION_EXIT_TREE: {
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remove_from_group(group_name);
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} break;
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}
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}
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#ifdef TOOLS_ENABLED
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void Parallax2D::_edit_set_position(const Point2 &p_position) {
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set_scroll_offset(p_position);
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}
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#endif // TOOLS_ENABLED
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void Parallax2D::_validate_property(PropertyInfo &p_property) const {
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if (p_property.name == "position") {
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p_property.usage = PROPERTY_USAGE_NONE;
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}
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}
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void Parallax2D::_camera_moved(const Transform2D &p_transform, const Point2 &p_screen_offset, const Point2 &p_adj_screen_pos) {
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if (!ignore_camera_scroll) {
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set_screen_offset(p_adj_screen_pos);
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}
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}
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void Parallax2D::_update_process() {
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set_process_internal(!Engine::get_singleton()->is_editor_hint() && (repeat_size.x || repeat_size.y) && (autoscroll.x || autoscroll.y));
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}
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void Parallax2D::_update_scroll() {
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if (!is_inside_tree()) {
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return;
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}
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Point2 scroll_ofs = screen_offset;
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Size2 vps = get_viewport_rect().size;
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if (Engine::get_singleton()->is_editor_hint()) {
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vps = Size2(GLOBAL_GET("display/window/size/viewport_width"), GLOBAL_GET("display/window/size/viewport_height"));
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} else {
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if (limit_begin.x <= limit_end.x - vps.x) {
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scroll_ofs.x = CLAMP(scroll_ofs.x, limit_begin.x, limit_end.x - vps.x);
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}
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if (limit_begin.y <= limit_end.y - vps.y) {
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scroll_ofs.y = CLAMP(scroll_ofs.y, limit_begin.y, limit_end.y - vps.y);
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}
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}
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scroll_ofs *= scroll_scale;
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if (repeat_size.x) {
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real_t mod = Math::fposmod(scroll_ofs.x - scroll_offset.x - autoscroll_offset.x, repeat_size.x * get_scale().x);
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scroll_ofs.x = screen_offset.x - mod;
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} else {
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scroll_ofs.x = screen_offset.x + scroll_offset.x - scroll_ofs.x;
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}
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if (repeat_size.y) {
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real_t mod = Math::fposmod(scroll_ofs.y - scroll_offset.y - autoscroll_offset.y, repeat_size.y * get_scale().y);
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scroll_ofs.y = screen_offset.y - mod;
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} else {
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scroll_ofs.y = screen_offset.y + scroll_offset.y - scroll_ofs.y;
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}
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if (!follow_viewport) {
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scroll_ofs -= screen_offset;
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}
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set_position(scroll_ofs);
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}
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void Parallax2D::_update_repeat() {
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if (!is_inside_tree()) {
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return;
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}
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RenderingServer::get_singleton()->canvas_set_item_repeat(get_canvas_item(), repeat_size, repeat_times);
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RenderingServer::get_singleton()->canvas_item_set_interpolated(get_canvas_item(), false);
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}
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void Parallax2D::set_scroll_scale(const Size2 &p_scale) {
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scroll_scale = p_scale;
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}
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Size2 Parallax2D::get_scroll_scale() const {
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return scroll_scale;
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}
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void Parallax2D::set_repeat_size(const Size2 &p_repeat_size) {
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if (p_repeat_size == repeat_size) {
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return;
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}
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repeat_size = p_repeat_size.maxf(0);
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_update_process();
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_update_repeat();
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_update_scroll();
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}
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Size2 Parallax2D::get_repeat_size() const {
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return repeat_size;
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}
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void Parallax2D::set_repeat_times(int p_repeat_times) {
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if (p_repeat_times == repeat_times) {
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return;
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}
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repeat_times = MAX(p_repeat_times, 1);
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_update_repeat();
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}
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int Parallax2D::get_repeat_times() const {
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return repeat_times;
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}
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void Parallax2D::set_scroll_offset(const Point2 &p_offset) {
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if (p_offset == scroll_offset) {
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return;
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}
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scroll_offset = p_offset;
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_update_scroll();
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}
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Point2 Parallax2D::get_scroll_offset() const {
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return scroll_offset;
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}
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void Parallax2D::set_autoscroll(const Point2 &p_autoscroll) {
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if (p_autoscroll == autoscroll) {
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return;
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}
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autoscroll = p_autoscroll;
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autoscroll_offset = Point2();
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_update_process();
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_update_scroll();
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}
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Point2 Parallax2D::get_autoscroll() const {
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return autoscroll;
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}
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void Parallax2D::set_screen_offset(const Point2 &p_offset) {
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if (p_offset == screen_offset) {
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return;
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}
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screen_offset = p_offset;
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_update_scroll();
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}
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Point2 Parallax2D::get_screen_offset() const {
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return screen_offset;
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}
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void Parallax2D::set_limit_begin(const Point2 &p_offset) {
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limit_begin = p_offset;
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}
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Point2 Parallax2D::get_limit_begin() const {
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return limit_begin;
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}
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void Parallax2D::set_limit_end(const Point2 &p_offset) {
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limit_end = p_offset;
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}
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Point2 Parallax2D::get_limit_end() const {
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return limit_end;
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}
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void Parallax2D::set_follow_viewport(bool p_follow) {
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follow_viewport = p_follow;
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}
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bool Parallax2D::get_follow_viewport() {
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return follow_viewport;
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}
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void Parallax2D::set_ignore_camera_scroll(bool p_ignore) {
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ignore_camera_scroll = p_ignore;
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}
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bool Parallax2D::is_ignore_camera_scroll() {
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return ignore_camera_scroll;
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}
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void Parallax2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_camera_moved", "transform", "screen_offset", "adj_screen_offset"), &Parallax2D::_camera_moved);
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ClassDB::bind_method(D_METHOD("set_scroll_scale", "scale"), &Parallax2D::set_scroll_scale);
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ClassDB::bind_method(D_METHOD("get_scroll_scale"), &Parallax2D::get_scroll_scale);
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ClassDB::bind_method(D_METHOD("set_repeat_size", "repeat_size"), &Parallax2D::set_repeat_size);
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ClassDB::bind_method(D_METHOD("get_repeat_size"), &Parallax2D::get_repeat_size);
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ClassDB::bind_method(D_METHOD("set_repeat_times", "repeat_times"), &Parallax2D::set_repeat_times);
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ClassDB::bind_method(D_METHOD("get_repeat_times"), &Parallax2D::get_repeat_times);
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ClassDB::bind_method(D_METHOD("set_autoscroll", "autoscroll"), &Parallax2D::set_autoscroll);
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ClassDB::bind_method(D_METHOD("get_autoscroll"), &Parallax2D::get_autoscroll);
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ClassDB::bind_method(D_METHOD("set_scroll_offset", "offset"), &Parallax2D::set_scroll_offset);
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ClassDB::bind_method(D_METHOD("get_scroll_offset"), &Parallax2D::get_scroll_offset);
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ClassDB::bind_method(D_METHOD("set_screen_offset", "offset"), &Parallax2D::set_screen_offset);
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ClassDB::bind_method(D_METHOD("get_screen_offset"), &Parallax2D::get_screen_offset);
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ClassDB::bind_method(D_METHOD("set_limit_begin", "offset"), &Parallax2D::set_limit_begin);
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ClassDB::bind_method(D_METHOD("get_limit_begin"), &Parallax2D::get_limit_begin);
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ClassDB::bind_method(D_METHOD("set_limit_end", "offset"), &Parallax2D::set_limit_end);
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ClassDB::bind_method(D_METHOD("get_limit_end"), &Parallax2D::get_limit_end);
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ClassDB::bind_method(D_METHOD("set_follow_viewport", "follow"), &Parallax2D::set_follow_viewport);
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ClassDB::bind_method(D_METHOD("get_follow_viewport"), &Parallax2D::get_follow_viewport);
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ClassDB::bind_method(D_METHOD("set_ignore_camera_scroll", "ignore"), &Parallax2D::set_ignore_camera_scroll);
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ClassDB::bind_method(D_METHOD("is_ignore_camera_scroll"), &Parallax2D::is_ignore_camera_scroll);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_scale", PROPERTY_HINT_LINK), "set_scroll_scale", "get_scroll_scale");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_scroll_offset", "get_scroll_offset");
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ADD_GROUP("Repeat", "");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "repeat_size"), "set_repeat_size", "get_repeat_size");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "autoscroll", PROPERTY_HINT_NONE, "suffix:px/s"), "set_autoscroll", "get_autoscroll");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "repeat_times"), "set_repeat_times", "get_repeat_times");
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ADD_GROUP("Limit", "limit_");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "limit_begin", PROPERTY_HINT_NONE, "suffix:px"), "set_limit_begin", "get_limit_begin");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "limit_end", PROPERTY_HINT_NONE, "suffix:px"), "set_limit_end", "get_limit_end");
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ADD_GROUP("Override", "");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_viewport"), "set_follow_viewport", "get_follow_viewport");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "ignore_camera_scroll"), "set_ignore_camera_scroll", "is_ignore_camera_scroll");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "screen_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_screen_offset", "get_screen_offset");
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}
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Parallax2D::Parallax2D() {
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// Parallax2D is always updated every frame so there is no need to interpolate.
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set_physics_interpolation_mode(Node::PHYSICS_INTERPOLATION_MODE_OFF);
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}
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