Implements OS_JavaScript::set_custom_mouse_cursor
This commit is contained in:
Guilherme Felipe
parent
b60939be88
commit
86d626e9cb
2 changed files with 124 additions and 2 deletions
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@ -415,12 +415,129 @@ void OS_JavaScript::set_cursor_shape(CursorShape p_shape) {
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ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
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if (get_mouse_mode() == MOUSE_MODE_VISIBLE) {
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if (cursors[p_shape] != "") {
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Vector<String> url = cursors[p_shape].split("?");
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set_css_cursor(("url(\"" + url[0] + "\") " + url[1] + ", auto").utf8());
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} else {
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set_css_cursor(godot2dom_cursor(p_shape));
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}
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}
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cursor_shape = p_shape;
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if (get_mouse_mode() != MOUSE_MODE_HIDDEN)
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set_css_cursor(godot2dom_cursor(cursor_shape));
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}
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void OS_JavaScript::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
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if (p_cursor.is_valid()) {
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Ref<Texture> texture = p_cursor;
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Ref<AtlasTexture> atlas_texture = p_cursor;
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Ref<Image> image;
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Size2 texture_size;
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Rect2 atlas_rect;
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if (texture.is_valid()) {
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image = texture->get_data();
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}
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if (!image.is_valid() && atlas_texture.is_valid()) {
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texture = atlas_texture->get_atlas();
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atlas_rect.size.width = texture->get_width();
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atlas_rect.size.height = texture->get_height();
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atlas_rect.position.x = atlas_texture->get_region().position.x;
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atlas_rect.position.y = atlas_texture->get_region().position.y;
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texture_size.width = atlas_texture->get_region().size.x;
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texture_size.height = atlas_texture->get_region().size.y;
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} else if (image.is_valid()) {
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texture_size.width = texture->get_width();
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texture_size.height = texture->get_height();
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}
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ERR_FAIL_COND(!texture.is_valid());
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ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0);
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ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256);
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ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height);
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image = texture->get_data();
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ERR_FAIL_COND(!image.is_valid());
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if (atlas_texture.is_valid())
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image->crop_from_point(
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atlas_rect.position.x,
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atlas_rect.position.y,
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texture_size.width,
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texture_size.height);
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if (image->get_format() != Image::FORMAT_RGBA8) {
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image->convert(Image::FORMAT_RGBA8);
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}
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png_image png_meta;
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memset(&png_meta, 0, sizeof png_meta);
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png_meta.version = PNG_IMAGE_VERSION;
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png_meta.width = texture_size.width;
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png_meta.height = texture_size.height;
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png_meta.format = PNG_FORMAT_RGBA;
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PoolByteArray png;
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size_t len;
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PoolByteArray::Read r = image->get_data().read();
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ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, r.ptr(), 0, NULL));
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png.resize(len);
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PoolByteArray::Write w = png.write();
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ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, w.ptr(), &len, 0, r.ptr(), 0, NULL));
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w = PoolByteArray::Write();
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r = png.read();
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char *object_url;
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/* clang-format off */
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EM_ASM({
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var PNG_PTR = $0;
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var PNG_LEN = $1;
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var PTR = $2;
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var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: 'image/png' });
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var url = URL.createObjectURL(png);
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var length_bytes = lengthBytesUTF8(url) + 1;
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var string_on_wasm_heap = _malloc(length_bytes);
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setValue(PTR, string_on_wasm_heap, '*');
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stringToUTF8(url, string_on_wasm_heap, length_bytes);
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}, r.ptr(), len, &object_url);
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/* clang-format on */
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r = PoolByteArray::Read();
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String url = String::utf8(object_url) + "?" + itos(p_hotspot.x) + " " + itos(p_hotspot.y);
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/* clang-format off */
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EM_ASM({ _free($0); }, object_url);
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/* clang-format on */
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if (cursors[p_shape] != "") {
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/* clang-format off */
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EM_ASM({
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URL.revokeObjectURL(UTF8ToString($0).split('?')[0]);
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}, cursors[p_shape].utf8().get_data());
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/* clang-format on */
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cursors[p_shape] = "";
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}
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cursors[p_shape] = url;
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} else if (cursors[p_shape] != "") {
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/* clang-format off */
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EM_ASM({
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URL.revokeObjectURL(UTF8ToString($0).split('?')[0]);
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}, cursors[p_shape].utf8().get_data());
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/* clang-format on */
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cursors[p_shape] = "";
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}
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set_cursor_shape(cursor_shape);
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}
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void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) {
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@ -432,7 +549,9 @@ void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) {
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if (p_mode == MOUSE_MODE_VISIBLE) {
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// set_css_cursor must be called before set_cursor_shape to make the cursor visible
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set_css_cursor(godot2dom_cursor(cursor_shape));
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set_cursor_shape(cursor_shape);
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emscripten_exit_pointerlock();
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} else if (p_mode == MOUSE_MODE_HIDDEN) {
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@ -446,7 +565,9 @@ void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) {
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ERR_EXPLAIN("MOUSE_MODE_CAPTURED can only be entered from within an appropriate input callback");
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ERR_FAIL_COND(result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED);
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ERR_FAIL_COND(result != EMSCRIPTEN_RESULT_SUCCESS);
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// set_css_cursor must be called before set_cursor_shape to make the cursor visible
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set_css_cursor(godot2dom_cursor(cursor_shape));
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set_cursor_shape(cursor_shape);
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}
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}
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@ -50,6 +50,7 @@ class OS_JavaScript : public OS_Unix {
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InputDefault *input;
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Ref<InputEventKey> deferred_key_event;
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CursorShape cursor_shape;
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String cursors[CURSOR_MAX];
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Point2 touches[32];
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Point2i last_click_pos;
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