godot/scene/2d/sprite.cpp
lawnjelly bf1de6bbfa Revert backport of 2D transform and camera snapping options
More work is needed to make sure that those options actually solve users' issues, so we prefer to remove the options for 3.2.4 and revisit for a future release.
2021-03-05 14:20:31 +00:00

499 lines
14 KiB
C++

/*************************************************************************/
/* sprite.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "sprite.h"
#include "core/core_string_names.h"
#include "core/os/os.h"
#include "scene/main/viewport.h"
#include "scene/scene_string_names.h"
#ifdef TOOLS_ENABLED
Dictionary Sprite::_edit_get_state() const {
Dictionary state = Node2D::_edit_get_state();
state["offset"] = offset;
return state;
}
void Sprite::_edit_set_state(const Dictionary &p_state) {
Node2D::_edit_set_state(p_state);
set_offset(p_state["offset"]);
}
void Sprite::_edit_set_pivot(const Point2 &p_pivot) {
set_offset(get_offset() - p_pivot);
set_position(get_transform().xform(p_pivot));
}
Point2 Sprite::_edit_get_pivot() const {
return Vector2();
}
bool Sprite::_edit_use_pivot() const {
return true;
}
bool Sprite::_edit_is_selected_on_click(const Point2 &p_point, double p_tolerance) const {
return is_pixel_opaque(p_point);
}
Rect2 Sprite::_edit_get_rect() const {
return get_rect();
}
bool Sprite::_edit_use_rect() const {
return texture.is_valid();
}
#endif
Rect2 Sprite::get_anchorable_rect() const {
return get_rect();
}
void Sprite::_get_rects(Rect2 &r_src_rect, Rect2 &r_dst_rect, bool &r_filter_clip) const {
Rect2 base_rect;
if (region) {
r_filter_clip = region_filter_clip;
base_rect = region_rect;
} else {
r_filter_clip = false;
base_rect = Rect2(0, 0, texture->get_width(), texture->get_height());
}
Size2 frame_size = base_rect.size / Size2(hframes, vframes);
Point2 frame_offset = Point2(frame % hframes, frame / hframes);
frame_offset *= frame_size;
r_src_rect.size = frame_size;
r_src_rect.position = base_rect.position + frame_offset;
Point2 dest_offset = offset;
if (centered)
dest_offset -= frame_size / 2;
if (Engine::get_singleton()->get_use_gpu_pixel_snap()) {
dest_offset = dest_offset.floor();
}
r_dst_rect = Rect2(dest_offset, frame_size);
if (hflip)
r_dst_rect.size.x = -r_dst_rect.size.x;
if (vflip)
r_dst_rect.size.y = -r_dst_rect.size.y;
}
void Sprite::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
if (texture.is_null())
return;
RID ci = get_canvas_item();
/*
texture->draw(ci,Point2());
break;
*/
Rect2 src_rect, dst_rect;
bool filter_clip;
_get_rects(src_rect, dst_rect, filter_clip);
texture->draw_rect_region(ci, dst_rect, src_rect, Color(1, 1, 1), false, normal_map, filter_clip);
} break;
}
}
void Sprite::set_texture(const Ref<Texture> &p_texture) {
if (p_texture == texture)
return;
if (texture.is_valid())
texture->disconnect(CoreStringNames::get_singleton()->changed, this, "_texture_changed");
texture = p_texture;
if (texture.is_valid())
texture->connect(CoreStringNames::get_singleton()->changed, this, "_texture_changed");
update();
emit_signal("texture_changed");
item_rect_changed();
_change_notify("texture");
}
void Sprite::set_normal_map(const Ref<Texture> &p_texture) {
normal_map = p_texture;
update();
}
Ref<Texture> Sprite::get_normal_map() const {
return normal_map;
}
Ref<Texture> Sprite::get_texture() const {
return texture;
}
void Sprite::set_centered(bool p_center) {
centered = p_center;
update();
item_rect_changed();
}
bool Sprite::is_centered() const {
return centered;
}
void Sprite::set_offset(const Point2 &p_offset) {
offset = p_offset;
update();
item_rect_changed();
_change_notify("offset");
}
Point2 Sprite::get_offset() const {
return offset;
}
void Sprite::set_flip_h(bool p_flip) {
hflip = p_flip;
update();
}
bool Sprite::is_flipped_h() const {
return hflip;
}
void Sprite::set_flip_v(bool p_flip) {
vflip = p_flip;
update();
}
bool Sprite::is_flipped_v() const {
return vflip;
}
void Sprite::set_region(bool p_region) {
if (p_region == region)
return;
region = p_region;
update();
}
bool Sprite::is_region() const {
return region;
}
void Sprite::set_region_rect(const Rect2 &p_region_rect) {
if (region_rect == p_region_rect)
return;
region_rect = p_region_rect;
if (region)
item_rect_changed();
_change_notify("region_rect");
}
Rect2 Sprite::get_region_rect() const {
return region_rect;
}
void Sprite::set_region_filter_clip(bool p_enable) {
region_filter_clip = p_enable;
update();
}
bool Sprite::is_region_filter_clip_enabled() const {
return region_filter_clip;
}
void Sprite::set_frame(int p_frame) {
ERR_FAIL_INDEX(p_frame, vframes * hframes);
if (frame != p_frame)
item_rect_changed();
frame = p_frame;
_change_notify("frame");
_change_notify("frame_coords");
emit_signal(SceneStringNames::get_singleton()->frame_changed);
}
int Sprite::get_frame() const {
return frame;
}
void Sprite::set_frame_coords(const Vector2 &p_coord) {
ERR_FAIL_INDEX(int(p_coord.x), hframes);
ERR_FAIL_INDEX(int(p_coord.y), vframes);
set_frame(int(p_coord.y) * hframes + int(p_coord.x));
}
Vector2 Sprite::get_frame_coords() const {
return Vector2(frame % hframes, frame / hframes);
}
void Sprite::set_vframes(int p_amount) {
ERR_FAIL_COND_MSG(p_amount < 1, "Amount of vframes cannot be smaller than 1.");
vframes = p_amount;
update();
item_rect_changed();
_change_notify();
}
int Sprite::get_vframes() const {
return vframes;
}
void Sprite::set_hframes(int p_amount) {
ERR_FAIL_COND_MSG(p_amount < 1, "Amount of hframes cannot be smaller than 1.");
hframes = p_amount;
update();
item_rect_changed();
_change_notify();
}
int Sprite::get_hframes() const {
return hframes;
}
bool Sprite::is_pixel_opaque(const Point2 &p_point) const {
if (texture.is_null())
return false;
if (texture->get_size().width == 0 || texture->get_size().height == 0)
return false;
Rect2 src_rect, dst_rect;
bool filter_clip;
_get_rects(src_rect, dst_rect, filter_clip);
dst_rect.size = dst_rect.size.abs();
if (!dst_rect.has_point(p_point))
return false;
Vector2 q = (p_point - dst_rect.position) / dst_rect.size;
if (hflip)
q.x = 1.0f - q.x;
if (vflip)
q.y = 1.0f - q.y;
q = q * src_rect.size + src_rect.position;
bool is_repeat = texture->get_flags() & Texture::FLAG_REPEAT;
bool is_mirrored_repeat = texture->get_flags() & Texture::FLAG_MIRRORED_REPEAT;
if (is_repeat) {
int mirror_x = 0;
int mirror_y = 0;
if (is_mirrored_repeat) {
mirror_x = (int)(q.x / texture->get_size().width);
mirror_y = (int)(q.y / texture->get_size().height);
}
q.x = Math::fmod(q.x, texture->get_size().width);
q.y = Math::fmod(q.y, texture->get_size().height);
if (mirror_x % 2 == 1) {
q.x = texture->get_size().width - q.x - 1;
}
if (mirror_y % 2 == 1) {
q.y = texture->get_size().height - q.y - 1;
}
} else {
q.x = MIN(q.x, texture->get_size().width - 1);
q.y = MIN(q.y, texture->get_size().height - 1);
}
return texture->is_pixel_opaque((int)q.x, (int)q.y);
}
Rect2 Sprite::get_rect() const {
if (texture.is_null())
return Rect2(0, 0, 1, 1);
Size2i s;
if (region) {
s = region_rect.size;
} else {
s = texture->get_size();
}
s = s / Point2(hframes, vframes);
Point2 ofs = offset;
if (centered)
ofs -= Size2(s) / 2;
if (Engine::get_singleton()->get_use_gpu_pixel_snap()) {
ofs = ofs.floor();
}
if (s == Size2(0, 0))
s = Size2(1, 1);
return Rect2(ofs, s);
}
void Sprite::_validate_property(PropertyInfo &property) const {
if (property.name == "frame") {
property.hint = PROPERTY_HINT_RANGE;
property.hint_string = "0," + itos(vframes * hframes - 1) + ",1";
property.usage |= PROPERTY_USAGE_KEYING_INCREMENTS;
}
if (property.name == "frame_coords") {
property.usage |= PROPERTY_USAGE_KEYING_INCREMENTS;
}
}
void Sprite::_texture_changed() {
// Changes to the texture need to trigger an update to make
// the editor redraw the sprite with the updated texture.
if (texture.is_valid()) {
update();
}
}
void Sprite::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_texture", "texture"), &Sprite::set_texture);
ClassDB::bind_method(D_METHOD("get_texture"), &Sprite::get_texture);
ClassDB::bind_method(D_METHOD("set_normal_map", "normal_map"), &Sprite::set_normal_map);
ClassDB::bind_method(D_METHOD("get_normal_map"), &Sprite::get_normal_map);
ClassDB::bind_method(D_METHOD("set_centered", "centered"), &Sprite::set_centered);
ClassDB::bind_method(D_METHOD("is_centered"), &Sprite::is_centered);
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &Sprite::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &Sprite::get_offset);
ClassDB::bind_method(D_METHOD("set_flip_h", "flip_h"), &Sprite::set_flip_h);
ClassDB::bind_method(D_METHOD("is_flipped_h"), &Sprite::is_flipped_h);
ClassDB::bind_method(D_METHOD("set_flip_v", "flip_v"), &Sprite::set_flip_v);
ClassDB::bind_method(D_METHOD("is_flipped_v"), &Sprite::is_flipped_v);
ClassDB::bind_method(D_METHOD("set_region", "enabled"), &Sprite::set_region);
ClassDB::bind_method(D_METHOD("is_region"), &Sprite::is_region);
ClassDB::bind_method(D_METHOD("is_pixel_opaque", "pos"), &Sprite::is_pixel_opaque);
ClassDB::bind_method(D_METHOD("set_region_rect", "rect"), &Sprite::set_region_rect);
ClassDB::bind_method(D_METHOD("get_region_rect"), &Sprite::get_region_rect);
ClassDB::bind_method(D_METHOD("set_region_filter_clip", "enabled"), &Sprite::set_region_filter_clip);
ClassDB::bind_method(D_METHOD("is_region_filter_clip_enabled"), &Sprite::is_region_filter_clip_enabled);
ClassDB::bind_method(D_METHOD("set_frame", "frame"), &Sprite::set_frame);
ClassDB::bind_method(D_METHOD("get_frame"), &Sprite::get_frame);
ClassDB::bind_method(D_METHOD("set_frame_coords", "coords"), &Sprite::set_frame_coords);
ClassDB::bind_method(D_METHOD("get_frame_coords"), &Sprite::get_frame_coords);
ClassDB::bind_method(D_METHOD("set_vframes", "vframes"), &Sprite::set_vframes);
ClassDB::bind_method(D_METHOD("get_vframes"), &Sprite::get_vframes);
ClassDB::bind_method(D_METHOD("set_hframes", "hframes"), &Sprite::set_hframes);
ClassDB::bind_method(D_METHOD("get_hframes"), &Sprite::get_hframes);
ClassDB::bind_method(D_METHOD("get_rect"), &Sprite::get_rect);
ClassDB::bind_method(D_METHOD("_texture_changed"), &Sprite::_texture_changed);
ADD_SIGNAL(MethodInfo("frame_changed"));
ADD_SIGNAL(MethodInfo("texture_changed"));
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normal_map", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_normal_map", "get_normal_map");
ADD_GROUP("Offset", "");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "centered"), "set_centered", "is_centered");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_h"), "set_flip_h", "is_flipped_h");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_v"), "set_flip_v", "is_flipped_v");
ADD_GROUP("Animation", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "hframes", PROPERTY_HINT_RANGE, "1,16384,1"), "set_hframes", "get_hframes");
ADD_PROPERTY(PropertyInfo(Variant::INT, "vframes", PROPERTY_HINT_RANGE, "1,16384,1"), "set_vframes", "get_vframes");
ADD_PROPERTY(PropertyInfo(Variant::INT, "frame"), "set_frame", "get_frame");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "frame_coords", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR), "set_frame_coords", "get_frame_coords");
ADD_GROUP("Region", "region_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "region_enabled"), "set_region", "is_region");
ADD_PROPERTY(PropertyInfo(Variant::RECT2, "region_rect"), "set_region_rect", "get_region_rect");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "region_filter_clip"), "set_region_filter_clip", "is_region_filter_clip_enabled");
}
Sprite::Sprite() {
centered = true;
hflip = false;
vflip = false;
region = false;
region_filter_clip = false;
frame = 0;
vframes = 1;
hframes = 1;
}
Sprite::~Sprite() {
}