diff options
Diffstat (limited to 'platform/javascript/os_javascript.cpp')
| -rw-r--r-- | platform/javascript/os_javascript.cpp | 129 |
1 files changed, 125 insertions, 4 deletions
diff --git a/platform/javascript/os_javascript.cpp b/platform/javascript/os_javascript.cpp index 1a40f6a979..cc3018716d 100644 --- a/platform/javascript/os_javascript.cpp +++ b/platform/javascript/os_javascript.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 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 */ @@ -415,12 +415,129 @@ void OS_JavaScript::set_cursor_shape(CursorShape p_shape) { ERR_FAIL_INDEX(p_shape, CURSOR_MAX); + if (get_mouse_mode() == MOUSE_MODE_VISIBLE) { + if (cursors[p_shape] != "") { + Vector<String> url = cursors[p_shape].split("?"); + set_css_cursor(("url(\"" + url[0] + "\") " + url[1] + ", auto").utf8()); + } else { + set_css_cursor(godot2dom_cursor(p_shape)); + } + } + cursor_shape = p_shape; - if (get_mouse_mode() != MOUSE_MODE_HIDDEN) - set_css_cursor(godot2dom_cursor(cursor_shape)); } void OS_JavaScript::set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) { + + if (p_cursor.is_valid()) { + Ref<Texture> texture = p_cursor; + Ref<AtlasTexture> atlas_texture = p_cursor; + Ref<Image> image; + Size2 texture_size; + Rect2 atlas_rect; + + if (texture.is_valid()) { + image = texture->get_data(); + } + + if (!image.is_valid() && atlas_texture.is_valid()) { + texture = atlas_texture->get_atlas(); + + atlas_rect.size.width = texture->get_width(); + atlas_rect.size.height = texture->get_height(); + atlas_rect.position.x = atlas_texture->get_region().position.x; + atlas_rect.position.y = atlas_texture->get_region().position.y; + + texture_size.width = atlas_texture->get_region().size.x; + texture_size.height = atlas_texture->get_region().size.y; + } else if (image.is_valid()) { + texture_size.width = texture->get_width(); + texture_size.height = texture->get_height(); + } + + ERR_FAIL_COND(!texture.is_valid()); + ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0); + ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256); + ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height); + + image = texture->get_data(); + + ERR_FAIL_COND(!image.is_valid()); + + if (atlas_texture.is_valid()) + image->crop_from_point( + atlas_rect.position.x, + atlas_rect.position.y, + texture_size.width, + texture_size.height); + + if (image->get_format() != Image::FORMAT_RGBA8) { + image->convert(Image::FORMAT_RGBA8); + } + + png_image png_meta; + memset(&png_meta, 0, sizeof png_meta); + png_meta.version = PNG_IMAGE_VERSION; + png_meta.width = texture_size.width; + png_meta.height = texture_size.height; + png_meta.format = PNG_FORMAT_RGBA; + + PoolByteArray png; + size_t len; + PoolByteArray::Read r = image->get_data().read(); + ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, r.ptr(), 0, NULL)); + + png.resize(len); + PoolByteArray::Write w = png.write(); + ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, w.ptr(), &len, 0, r.ptr(), 0, NULL)); + w = PoolByteArray::Write(); + + r = png.read(); + + char *object_url; + /* clang-format off */ + EM_ASM({ + var PNG_PTR = $0; + var PNG_LEN = $1; + var PTR = $2; + + var png = new Blob([HEAPU8.slice(PNG_PTR, PNG_PTR + PNG_LEN)], { type: 'image/png' }); + var url = URL.createObjectURL(png); + var length_bytes = lengthBytesUTF8(url) + 1; + var string_on_wasm_heap = _malloc(length_bytes); + setValue(PTR, string_on_wasm_heap, '*'); + stringToUTF8(url, string_on_wasm_heap, length_bytes); + }, r.ptr(), len, &object_url); + /* clang-format on */ + r = PoolByteArray::Read(); + + String url = String::utf8(object_url) + "?" + itos(p_hotspot.x) + " " + itos(p_hotspot.y); + + /* clang-format off */ + EM_ASM({ _free($0); }, object_url); + /* clang-format on */ + + if (cursors[p_shape] != "") { + /* clang-format off */ + EM_ASM({ + URL.revokeObjectURL(UTF8ToString($0).split('?')[0]); + }, cursors[p_shape].utf8().get_data()); + /* clang-format on */ + cursors[p_shape] = ""; + } + + cursors[p_shape] = url; + + } else if (cursors[p_shape] != "") { + /* clang-format off */ + EM_ASM({ + URL.revokeObjectURL(UTF8ToString($0).split('?')[0]); + }, cursors[p_shape].utf8().get_data()); + /* clang-format on */ + cursors[p_shape] = ""; + } + + set_cursor_shape(cursor_shape); } void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) { @@ -432,7 +549,9 @@ void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) { if (p_mode == MOUSE_MODE_VISIBLE) { + // set_css_cursor must be called before set_cursor_shape to make the cursor visible set_css_cursor(godot2dom_cursor(cursor_shape)); + set_cursor_shape(cursor_shape); emscripten_exit_pointerlock(); } else if (p_mode == MOUSE_MODE_HIDDEN) { @@ -446,7 +565,9 @@ void OS_JavaScript::set_mouse_mode(OS::MouseMode p_mode) { ERR_EXPLAIN("MOUSE_MODE_CAPTURED can only be entered from within an appropriate input callback"); ERR_FAIL_COND(result == EMSCRIPTEN_RESULT_FAILED_NOT_DEFERRED); ERR_FAIL_COND(result != EMSCRIPTEN_RESULT_SUCCESS); + // set_css_cursor must be called before set_cursor_shape to make the cursor visible set_css_cursor(godot2dom_cursor(cursor_shape)); + set_cursor_shape(cursor_shape); } } |