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Fix empty region in AtlasTexture

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This commit is contained in:
kobewi 2024-07-14 23:17:39 +02:00
parent 6b5825a0cb
commit 10da06a32c
3 changed files with 30 additions and 22 deletions
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2
doc/classes/AtlasTexture.xml
View file

@ -21,7 +21,7 @@
The margin around the [member region]. Useful for small adjustments. If the [member Rect2.size] of this property ("w" and "h" in the editor) is set, the drawn texture is resized to fit within the margin.
</member>
<member name="region" type="Rect2" setter="set_region" getter="get_region" default="Rect2(0, 0, 0, 0)">
The region used to draw the [member atlas].
The region used to draw the [member atlas]. If either dimension of the region's size is [code]0[/code], the value from [member atlas] size will be used for that axis instead.
</member>
<member name="resource_local_to_scene" type="bool" setter="set_local_to_scene" getter="is_local_to_scene" overrides="Resource" default="false" />
</members>

48
scene/resources/atlas_texture.cpp
View file

@ -122,6 +122,19 @@ bool AtlasTexture::has_filter_clip() const {
return filter_clip;
}
Rect2 AtlasTexture::_get_region_rect() const {
Rect2 rc = region;
if (atlas.is_valid()) {
if (rc.size.width == 0) {
rc.size.width = atlas->get_width();
}
if (rc.size.height == 0) {
rc.size.height = atlas->get_height();
}
}
return rc;
}
void AtlasTexture::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_atlas", "atlas"), &AtlasTexture::set_atlas);
ClassDB::bind_method(D_METHOD("get_atlas"), &AtlasTexture::get_atlas);
@ -142,25 +155,15 @@ void AtlasTexture::_bind_methods() {
}
void AtlasTexture::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
if (!atlas.is_valid()) {
if (atlas.is_null()) {
return;
}
Rect2 rc = region;
if (rc.size.width == 0) {
rc.size.width = atlas->get_width();
}
if (rc.size.height == 0) {
rc.size.height = atlas->get_height();
}
const Rect2 rc = _get_region_rect();
atlas->draw_rect_region(p_canvas_item, Rect2(p_pos + margin.position, rc.size), rc, p_modulate, p_transpose, filter_clip);
}
void AtlasTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
if (!atlas.is_valid()) {
if (atlas.is_null()) {
return;
}
@ -174,8 +177,8 @@ void AtlasTexture::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile
}
void AtlasTexture::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
//this might not necessarily work well if using a rect, needs to be fixed properly
if (!atlas.is_valid()) {
// This might not necessarily work well if using a rect, needs to be fixed properly.
if (atlas.is_null()) {
return;
}
@ -195,10 +198,13 @@ bool AtlasTexture::get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect,
if (src.size == Size2()) {
src.size = region.size;
}
if (src.size == Size2() && atlas.is_valid()) {
src.size = atlas->get_size();
}
Vector2 scale = p_rect.size / src.size;
src.position += (region.position - margin.position);
Rect2 src_clipped = region.intersection(src);
Rect2 src_clipped = _get_region_rect().intersection(src);
if (src_clipped.size == Size2()) {
return false;
}
@ -217,14 +223,14 @@ bool AtlasTexture::get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect,
}
bool AtlasTexture::is_pixel_opaque(int p_x, int p_y) const {
if (!atlas.is_valid()) {
if (atlas.is_null()) {
return true;
}
int x = p_x + region.position.x - margin.position.x;
int y = p_y + region.position.y - margin.position.y;
// margin edge may outside of atlas
// Margin edge may outside of atlas.
if (x < 0 || x >= atlas->get_width()) {
return false;
}
@ -236,16 +242,16 @@ bool AtlasTexture::is_pixel_opaque(int p_x, int p_y) const {
}
Ref<Image> AtlasTexture::get_image() const {
if (atlas.is_null() || region.size.x <= 0 || region.size.y <= 0) {
if (atlas.is_null()) {
return Ref<Image>();
}
Ref<Image> atlas_image = atlas->get_image();
const Ref<Image> &atlas_image = atlas->get_image();
if (atlas_image.is_null()) {
return Ref<Image>();
}
return atlas_image->get_region(region);
return atlas_image->get_region(_get_region_rect());
}
AtlasTexture::AtlasTexture() {}

2
scene/resources/atlas_texture.h
View file

@ -37,6 +37,8 @@ class AtlasTexture : public Texture2D {
GDCLASS(AtlasTexture, Texture2D);
RES_BASE_EXTENSION("atlastex");
Rect2 _get_region_rect() const;
protected:
Ref<Texture2D> atlas;
Rect2 region;