474 lines
13 KiB
C++
474 lines
13 KiB
C++
/*************************************************************************/
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/* sprite.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) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 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 "sprite.h"
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#include "core/core_string_names.h"
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#include "core/os/os.h"
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#include "scene/main/viewport.h"
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#include "scene/scene_string_names.h"
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Dictionary Sprite::_edit_get_state() const {
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Dictionary state = Node2D::_edit_get_state();
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state["offset"] = offset;
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return state;
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}
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void Sprite::_edit_set_state(const Dictionary &p_state) {
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Node2D::_edit_set_state(p_state);
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set_offset(p_state["offset"]);
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}
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void Sprite::_edit_set_pivot(const Point2 &p_pivot) {
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set_offset(get_offset() - p_pivot);
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set_position(get_transform().xform(p_pivot));
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}
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Point2 Sprite::_edit_get_pivot() const {
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return Vector2();
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}
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bool Sprite::_edit_use_pivot() const {
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return true;
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}
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Rect2 Sprite::_edit_get_rect() const {
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return get_rect();
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}
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bool Sprite::_edit_use_rect() const {
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if (texture.is_null())
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return false;
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return true;
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}
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Rect2 Sprite::get_anchorable_rect() const {
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return get_rect();
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}
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void Sprite::_get_rects(Rect2 &r_src_rect, Rect2 &r_dst_rect, bool &r_filter_clip) const {
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Rect2 base_rect;
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if (region) {
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r_filter_clip = region_filter_clip;
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base_rect = region_rect;
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} else {
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r_filter_clip = false;
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base_rect = Rect2(0, 0, texture->get_width(), texture->get_height());
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}
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Size2 frame_size = base_rect.size / Size2(hframes, vframes);
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Point2 frame_offset = Point2(frame % hframes, frame / hframes);
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frame_offset *= frame_size;
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r_src_rect.size = frame_size;
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r_src_rect.position = base_rect.position + frame_offset;
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Point2 dest_offset = offset;
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if (centered)
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dest_offset -= frame_size / 2;
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if (Engine::get_singleton()->get_use_pixel_snap()) {
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dest_offset = dest_offset.floor();
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}
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r_dst_rect = Rect2(dest_offset, frame_size);
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if (hflip)
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r_dst_rect.size.x = -r_dst_rect.size.x;
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if (vflip)
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r_dst_rect.size.y = -r_dst_rect.size.y;
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}
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void Sprite::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_DRAW: {
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if (texture.is_null())
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return;
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RID ci = get_canvas_item();
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/*
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texture->draw(ci,Point2());
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break;
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*/
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Rect2 src_rect, dst_rect;
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bool filter_clip;
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_get_rects(src_rect, dst_rect, filter_clip);
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texture->draw_rect_region(ci, dst_rect, src_rect, Color(1, 1, 1), false, normal_map, filter_clip);
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} break;
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}
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}
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void Sprite::set_texture(const Ref<Texture> &p_texture) {
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if (p_texture == texture)
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return;
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if (texture.is_valid())
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texture->remove_change_receptor(this);
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texture = p_texture;
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if (texture.is_valid())
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texture->add_change_receptor(this);
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update();
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emit_signal("texture_changed");
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item_rect_changed();
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_change_notify("texture");
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}
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void Sprite::set_normal_map(const Ref<Texture> &p_texture) {
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normal_map = p_texture;
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update();
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}
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Ref<Texture> Sprite::get_normal_map() const {
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return normal_map;
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}
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Ref<Texture> Sprite::get_texture() const {
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return texture;
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}
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void Sprite::set_centered(bool p_center) {
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centered = p_center;
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update();
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item_rect_changed();
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}
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bool Sprite::is_centered() const {
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return centered;
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}
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void Sprite::set_offset(const Point2 &p_offset) {
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offset = p_offset;
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update();
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item_rect_changed();
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_change_notify("offset");
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}
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Point2 Sprite::get_offset() const {
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return offset;
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}
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void Sprite::set_flip_h(bool p_flip) {
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hflip = p_flip;
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update();
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}
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bool Sprite::is_flipped_h() const {
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return hflip;
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}
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void Sprite::set_flip_v(bool p_flip) {
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vflip = p_flip;
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update();
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}
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bool Sprite::is_flipped_v() const {
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return vflip;
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}
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void Sprite::set_region(bool p_region) {
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if (p_region == region)
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return;
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region = p_region;
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update();
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}
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bool Sprite::is_region() const {
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return region;
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}
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void Sprite::set_region_rect(const Rect2 &p_region_rect) {
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if (region_rect == p_region_rect)
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return;
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region_rect = p_region_rect;
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if (region)
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item_rect_changed();
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_change_notify("region_rect");
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}
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Rect2 Sprite::get_region_rect() const {
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return region_rect;
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}
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void Sprite::set_region_filter_clip(bool p_enable) {
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region_filter_clip = p_enable;
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update();
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}
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bool Sprite::is_region_filter_clip_enabled() const {
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return region_filter_clip;
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}
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void Sprite::set_frame(int p_frame) {
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ERR_FAIL_INDEX(p_frame, vframes * hframes);
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if (frame != p_frame)
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item_rect_changed();
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frame = p_frame;
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_change_notify("frame");
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emit_signal(SceneStringNames::get_singleton()->frame_changed);
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}
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int Sprite::get_frame() const {
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return frame;
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}
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void Sprite::set_vframes(int p_amount) {
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ERR_FAIL_COND(p_amount < 1);
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vframes = p_amount;
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update();
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item_rect_changed();
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_change_notify();
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}
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int Sprite::get_vframes() const {
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return vframes;
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}
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void Sprite::set_hframes(int p_amount) {
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ERR_FAIL_COND(p_amount < 1);
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hframes = p_amount;
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update();
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item_rect_changed();
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_change_notify();
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}
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int Sprite::get_hframes() const {
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return hframes;
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}
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bool Sprite::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
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return is_pixel_opaque(p_point);
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}
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bool Sprite::is_pixel_opaque(const Point2 &p_point) const {
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if (texture.is_null())
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return false;
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Rect2 src_rect, dst_rect;
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bool filter_clip;
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_get_rects(src_rect, dst_rect, filter_clip);
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dst_rect.size = dst_rect.size.abs();
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if (!dst_rect.has_point(p_point))
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return false;
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Vector2 q = (p_point - dst_rect.position) / dst_rect.size;
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if (hflip)
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q.x = 1.0f - q.x;
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if (vflip)
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q.y = 1.0f - q.y;
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q = q * src_rect.size + src_rect.position;
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bool is_repeat = texture->get_flags() & Texture::FLAG_REPEAT;
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bool is_mirrored_repeat = texture->get_flags() & Texture::FLAG_MIRRORED_REPEAT;
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if (is_repeat) {
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int mirror_x = 0;
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int mirror_y = 0;
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if (is_mirrored_repeat) {
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mirror_x = (int)(q.x / texture->get_size().width);
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mirror_y = (int)(q.y / texture->get_size().height);
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}
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q.x = Math::fmod(q.x, texture->get_size().width);
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q.y = Math::fmod(q.y, texture->get_size().height);
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if (mirror_x % 2 == 1) {
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q.x = texture->get_size().width - q.x - 1;
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}
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if (mirror_y % 2 == 1) {
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q.y = texture->get_size().height - q.y - 1;
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}
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} else {
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q.x = MIN(q.x, texture->get_size().width - 1);
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q.y = MIN(q.y, texture->get_size().height - 1);
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}
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return texture->is_pixel_opaque((int)q.x, (int)q.y);
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}
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Rect2 Sprite::get_rect() const {
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if (texture.is_null())
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return Rect2(0, 0, 1, 1);
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Size2i s;
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if (region) {
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s = region_rect.size;
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} else {
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s = texture->get_size();
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}
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s = s / Point2(hframes, vframes);
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Point2 ofs = offset;
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if (centered)
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ofs -= s / 2;
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if (s == Size2(0, 0))
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s = Size2(1, 1);
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return Rect2(ofs, s);
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}
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void Sprite::_validate_property(PropertyInfo &property) const {
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if (property.name == "frame") {
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property.hint = PROPERTY_HINT_SPRITE_FRAME;
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property.hint_string = "0," + itos(vframes * hframes - 1) + ",1";
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}
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}
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void Sprite::_changed_callback(Object *p_changed, const char *p_prop) {
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// Changes to the texture need to trigger an update to make
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// the editor redraw the sprite with the updated texture.
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if (texture.is_valid() && texture.ptr() == p_changed) {
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update();
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}
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}
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void Sprite::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_texture", "texture"), &Sprite::set_texture);
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ClassDB::bind_method(D_METHOD("get_texture"), &Sprite::get_texture);
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ClassDB::bind_method(D_METHOD("set_normal_map", "normal_map"), &Sprite::set_normal_map);
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ClassDB::bind_method(D_METHOD("get_normal_map"), &Sprite::get_normal_map);
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ClassDB::bind_method(D_METHOD("set_centered", "centered"), &Sprite::set_centered);
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ClassDB::bind_method(D_METHOD("is_centered"), &Sprite::is_centered);
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ClassDB::bind_method(D_METHOD("set_offset", "offset"), &Sprite::set_offset);
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ClassDB::bind_method(D_METHOD("get_offset"), &Sprite::get_offset);
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ClassDB::bind_method(D_METHOD("set_flip_h", "flip_h"), &Sprite::set_flip_h);
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ClassDB::bind_method(D_METHOD("is_flipped_h"), &Sprite::is_flipped_h);
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ClassDB::bind_method(D_METHOD("set_flip_v", "flip_v"), &Sprite::set_flip_v);
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ClassDB::bind_method(D_METHOD("is_flipped_v"), &Sprite::is_flipped_v);
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ClassDB::bind_method(D_METHOD("set_region", "enabled"), &Sprite::set_region);
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ClassDB::bind_method(D_METHOD("is_region"), &Sprite::is_region);
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ClassDB::bind_method(D_METHOD("is_pixel_opaque", "pos"), &Sprite::is_pixel_opaque);
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ClassDB::bind_method(D_METHOD("set_region_rect", "rect"), &Sprite::set_region_rect);
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ClassDB::bind_method(D_METHOD("get_region_rect"), &Sprite::get_region_rect);
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ClassDB::bind_method(D_METHOD("set_region_filter_clip", "enabled"), &Sprite::set_region_filter_clip);
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ClassDB::bind_method(D_METHOD("is_region_filter_clip_enabled"), &Sprite::is_region_filter_clip_enabled);
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ClassDB::bind_method(D_METHOD("set_frame", "frame"), &Sprite::set_frame);
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ClassDB::bind_method(D_METHOD("get_frame"), &Sprite::get_frame);
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ClassDB::bind_method(D_METHOD("set_vframes", "vframes"), &Sprite::set_vframes);
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ClassDB::bind_method(D_METHOD("get_vframes"), &Sprite::get_vframes);
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ClassDB::bind_method(D_METHOD("set_hframes", "hframes"), &Sprite::set_hframes);
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ClassDB::bind_method(D_METHOD("get_hframes"), &Sprite::get_hframes);
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ClassDB::bind_method(D_METHOD("get_rect"), &Sprite::get_rect);
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ADD_SIGNAL(MethodInfo("frame_changed"));
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ADD_SIGNAL(MethodInfo("texture_changed"));
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normal_map", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_normal_map", "get_normal_map");
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ADD_GROUP("Offset", "");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "centered"), "set_centered", "is_centered");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_h"), "set_flip_h", "is_flipped_h");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_v"), "set_flip_v", "is_flipped_v");
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ADD_GROUP("Animation", "");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "vframes", PROPERTY_HINT_RANGE, "1,16384,1"), "set_vframes", "get_vframes");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "hframes", PROPERTY_HINT_RANGE, "1,16384,1"), "set_hframes", "get_hframes");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "frame", PROPERTY_HINT_SPRITE_FRAME), "set_frame", "get_frame");
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ADD_GROUP("Region", "region_");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "region_enabled"), "set_region", "is_region");
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ADD_PROPERTY(PropertyInfo(Variant::RECT2, "region_rect"), "set_region_rect", "get_region_rect");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "region_filter_clip"), "set_region_filter_clip", "is_region_filter_clip_enabled");
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}
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Sprite::Sprite() {
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centered = true;
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hflip = false;
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vflip = false;
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region = false;
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region_filter_clip = false;
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frame = 0;
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vframes = 1;
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hframes = 1;
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}
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Sprite::~Sprite() {
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if (texture.is_valid())
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texture->remove_change_receptor(this);
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}
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