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Diffstat (limited to 'scene/2d/parallax_2d.cpp')
| -rw-r--r-- | scene/2d/parallax_2d.cpp | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/scene/2d/parallax_2d.cpp b/scene/2d/parallax_2d.cpp new file mode 100644 index 0000000000..f516fd41ac --- /dev/null +++ b/scene/2d/parallax_2d.cpp @@ -0,0 +1,290 @@ +/**************************************************************************/ +/* parallax_2d.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 "parallax_2d.h" + +#include "core/config/project_settings.h" + +void Parallax2D::_notification(int p_what) { + switch (p_what) { + case NOTIFICATION_ENTER_TREE: { + group_name = "__cameras_" + itos(get_viewport_rid().get_id()); + add_to_group(group_name); + _update_repeat(); + _update_scroll(); + } break; + + case NOTIFICATION_READY: { + _update_process(); + } break; + + case NOTIFICATION_INTERNAL_PROCESS: { + autoscroll_offset += autoscroll * get_process_delta_time(); + autoscroll_offset = autoscroll_offset.posmodv(repeat_size); + + _update_scroll(); + } break; + + case NOTIFICATION_EXIT_TREE: { + remove_from_group(group_name); + } break; + } +} + +#ifdef TOOLS_ENABLED +void Parallax2D::_edit_set_position(const Point2 &p_position) { + set_scroll_offset(p_position); +} +#endif // TOOLS_ENABLED + +void Parallax2D::_validate_property(PropertyInfo &p_property) const { + if (p_property.name == "position") { + p_property.usage = PROPERTY_USAGE_NONE; + } +} + +void Parallax2D::_camera_moved(const Transform2D &p_transform, const Point2 &p_screen_offset, const Point2 &p_adj_screen_pos) { + if (!ignore_camera_scroll) { + set_screen_offset(p_adj_screen_pos); + } +} + +void Parallax2D::_update_process() { + set_process_internal(!Engine::get_singleton()->is_editor_hint() && (repeat_size.x || repeat_size.y) && (autoscroll.x || autoscroll.y)); +} + +void Parallax2D::_update_scroll() { + if (!is_inside_tree()) { + return; + } + + Point2 scroll_ofs = screen_offset; + Size2 vps = get_viewport_rect().size; + + if (Engine::get_singleton()->is_editor_hint()) { + vps = Size2(GLOBAL_GET("display/window/size/viewport_width"), GLOBAL_GET("display/window/size/viewport_height")); + } else { + if (limit_begin.x <= limit_end.x - vps.x) { + scroll_ofs.x = CLAMP(scroll_ofs.x, limit_begin.x, limit_end.x - vps.x); + } + if (limit_begin.y <= limit_end.y - vps.y) { + scroll_ofs.y = CLAMP(scroll_ofs.y, limit_begin.y, limit_end.y - vps.y); + } + } + + scroll_ofs *= scroll_scale; + + if (repeat_size.x) { + real_t mod = Math::fposmod(scroll_ofs.x - scroll_offset.x - autoscroll_offset.x, repeat_size.x); + scroll_ofs.x = screen_offset.x - mod; + } else { + scroll_ofs.x = screen_offset.x + scroll_offset.x - scroll_ofs.x; + } + + if (repeat_size.y) { + real_t mod = Math::fposmod(scroll_ofs.y - scroll_offset.y - autoscroll_offset.y, repeat_size.y); + scroll_ofs.y = screen_offset.y - mod; + } else { + scroll_ofs.y = screen_offset.y + scroll_offset.y - scroll_ofs.y; + } + + if (!follow_viewport) { + scroll_ofs -= screen_offset; + } + + set_position(scroll_ofs); +} + +void Parallax2D::_update_repeat() { + if (!is_inside_tree()) { + return; + } + + Point2 repeat_scale = repeat_size * get_scale(); + RenderingServer::get_singleton()->canvas_set_item_repeat(get_canvas_item(), repeat_scale, repeat_times); +} + +void Parallax2D::set_scroll_scale(const Size2 &p_scale) { + scroll_scale = p_scale; +} + +Size2 Parallax2D::get_scroll_scale() const { + return scroll_scale; +} + +void Parallax2D::set_repeat_size(const Size2 &p_repeat_size) { + if (p_repeat_size == repeat_size) { + return; + } + + repeat_size = p_repeat_size.max(Vector2(0, 0)); + + _update_process(); + _update_repeat(); + _update_scroll(); +} + +Size2 Parallax2D::get_repeat_size() const { + return repeat_size; +} + +void Parallax2D::set_repeat_times(int p_repeat_times) { + if (p_repeat_times == repeat_times) { + return; + } + + repeat_times = MAX(p_repeat_times, 1); + + _update_repeat(); +} + +int Parallax2D::get_repeat_times() const { + return repeat_times; +} + +void Parallax2D::set_scroll_offset(const Point2 &p_offset) { + if (p_offset == scroll_offset) { + return; + } + + scroll_offset = p_offset; + + _update_scroll(); +} + +Point2 Parallax2D::get_scroll_offset() const { + return scroll_offset; +} + +void Parallax2D::set_autoscroll(const Point2 &p_autoscroll) { + if (p_autoscroll == autoscroll) { + return; + } + + autoscroll = p_autoscroll; + autoscroll_offset = Point2(); + + _update_process(); + _update_scroll(); +} + +Point2 Parallax2D::get_autoscroll() const { + return autoscroll; +} + +void Parallax2D::set_screen_offset(const Point2 &p_offset) { + if (p_offset == screen_offset) { + return; + } + + screen_offset = p_offset; + + _update_scroll(); +} + +Point2 Parallax2D::get_screen_offset() const { + return screen_offset; +} + +void Parallax2D::set_limit_begin(const Point2 &p_offset) { + limit_begin = p_offset; +} + +Point2 Parallax2D::get_limit_begin() const { + return limit_begin; +} + +void Parallax2D::set_limit_end(const Point2 &p_offset) { + limit_end = p_offset; +} + +Point2 Parallax2D::get_limit_end() const { + return limit_end; +} + +void Parallax2D::set_follow_viewport(bool p_follow) { + follow_viewport = p_follow; +} + +bool Parallax2D::get_follow_viewport() { + return follow_viewport; +} + +void Parallax2D::set_ignore_camera_scroll(bool p_ignore) { + ignore_camera_scroll = p_ignore; +} + +bool Parallax2D::is_ignore_camera_scroll() { + return ignore_camera_scroll; +} + +void Parallax2D::_bind_methods() { + ClassDB::bind_method(D_METHOD("_camera_moved", "transform", "screen_offset", "adj_screen_offset"), &Parallax2D::_camera_moved); + ClassDB::bind_method(D_METHOD("set_scroll_scale", "scale"), &Parallax2D::set_scroll_scale); + ClassDB::bind_method(D_METHOD("get_scroll_scale"), &Parallax2D::get_scroll_scale); + ClassDB::bind_method(D_METHOD("set_repeat_size", "repeat_size"), &Parallax2D::set_repeat_size); + ClassDB::bind_method(D_METHOD("get_repeat_size"), &Parallax2D::get_repeat_size); + ClassDB::bind_method(D_METHOD("set_repeat_times", "repeat_times"), &Parallax2D::set_repeat_times); + ClassDB::bind_method(D_METHOD("get_repeat_times"), &Parallax2D::get_repeat_times); + ClassDB::bind_method(D_METHOD("set_autoscroll", "autoscroll"), &Parallax2D::set_autoscroll); + ClassDB::bind_method(D_METHOD("get_autoscroll"), &Parallax2D::get_autoscroll); + ClassDB::bind_method(D_METHOD("set_scroll_offset", "offset"), &Parallax2D::set_scroll_offset); + ClassDB::bind_method(D_METHOD("get_scroll_offset"), &Parallax2D::get_scroll_offset); + ClassDB::bind_method(D_METHOD("set_screen_offset", "offset"), &Parallax2D::set_screen_offset); + ClassDB::bind_method(D_METHOD("get_screen_offset"), &Parallax2D::get_screen_offset); + ClassDB::bind_method(D_METHOD("set_limit_begin", "offset"), &Parallax2D::set_limit_begin); + ClassDB::bind_method(D_METHOD("get_limit_begin"), &Parallax2D::get_limit_begin); + ClassDB::bind_method(D_METHOD("set_limit_end", "offset"), &Parallax2D::set_limit_end); + ClassDB::bind_method(D_METHOD("get_limit_end"), &Parallax2D::get_limit_end); + ClassDB::bind_method(D_METHOD("set_follow_viewport", "follow"), &Parallax2D::set_follow_viewport); + ClassDB::bind_method(D_METHOD("get_follow_viewport"), &Parallax2D::get_follow_viewport); + ClassDB::bind_method(D_METHOD("set_ignore_camera_scroll", "ignore"), &Parallax2D::set_ignore_camera_scroll); + ClassDB::bind_method(D_METHOD("is_ignore_camera_scroll"), &Parallax2D::is_ignore_camera_scroll); + + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_scale", PROPERTY_HINT_LINK), "set_scroll_scale", "get_scroll_scale"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scroll_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_scroll_offset", "get_scroll_offset"); + + ADD_GROUP("Repeat", ""); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "repeat_size"), "set_repeat_size", "get_repeat_size"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "autoscroll", PROPERTY_HINT_NONE, "suffix:px/s"), "set_autoscroll", "get_autoscroll"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "repeat_times"), "set_repeat_times", "get_repeat_times"); + + ADD_GROUP("Limit", "limit_"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "limit_begin", PROPERTY_HINT_NONE, "suffix:px"), "set_limit_begin", "get_limit_begin"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "limit_end", PROPERTY_HINT_NONE, "suffix:px"), "set_limit_end", "get_limit_end"); + + ADD_GROUP("Override", ""); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_viewport"), "set_follow_viewport", "get_follow_viewport"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "ignore_camera_scroll"), "set_ignore_camera_scroll", "is_ignore_camera_scroll"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "screen_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_screen_offset", "get_screen_offset"); +} + +Parallax2D::Parallax2D() { +} |