initial commit, 4.5 stable

editor/import/resource_importer_layered_texture.h

@@ -0,0 +1,127 @@
+/**************************************************************************/
+/*  resource_importer_layered_texture.h                                   */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "core/io/image.h"
+#include "core/io/resource_importer.h"
+#include "core/object/ref_counted.h"
+
+class CompressedTexture2D;
+
+class LayeredTextureImport : public RefCounted {
+	GDCLASS(LayeredTextureImport, RefCounted);
+
+public:
+	Image::CompressSource *csource = nullptr;
+	String save_path;
+	HashMap<StringName, Variant> options;
+	List<String> *platform_variants = nullptr;
+	Ref<Image> image = nullptr;
+	Array formats_imported;
+	Vector<Ref<Image>> *slices = nullptr;
+	int compress_mode = 0;
+	float lossy = 1.0;
+
+	Image::BasisUniversalPackerParams basisu_params;
+
+	int hdr_compression = 0;
+	bool mipmaps = true;
+	bool high_quality = false;
+	Image::UsedChannels used_channels = Image::USED_CHANNELS_RGBA;
+};
+
+class ResourceImporterLayeredTexture : public ResourceImporter {
+	GDCLASS(ResourceImporterLayeredTexture, ResourceImporter);
+
+public:
+	enum Mode {
+		MODE_2D_ARRAY,
+		MODE_CUBEMAP,
+		MODE_CUBEMAP_ARRAY,
+		MODE_3D,
+	};
+
+	enum CubemapFormat {
+		CUBEMAP_FORMAT_1X6,
+		CUBEMAP_FORMAT_2X3,
+		CUBEMAP_FORMAT_3X2,
+		CUBEMAP_FORMAT_6X1,
+	};
+
+	enum TextureFlags {
+		TEXTURE_FLAGS_MIPMAPS = 1
+	};
+
+private:
+	Mode mode;
+	static const char *compression_formats[];
+
+protected:
+	static ResourceImporterLayeredTexture *singleton;
+
+public:
+	void _check_compress_ctex(const String &p_source_file, Ref<LayeredTextureImport> r_texture_import);
+
+	static ResourceImporterLayeredTexture *get_singleton() { return singleton; }
+	virtual String get_importer_name() const override;
+	virtual String get_visible_name() const override;
+	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
+	virtual String get_save_extension() const override;
+	virtual String get_resource_type() const override;
+
+	enum CompressMode {
+		COMPRESS_LOSSLESS,
+		COMPRESS_LOSSY,
+		COMPRESS_VRAM_COMPRESSED,
+		COMPRESS_VRAM_UNCOMPRESSED,
+		COMPRESS_BASIS_UNIVERSAL
+	};
+
+	virtual int get_preset_count() const override;
+	virtual String get_preset_name(int p_idx) const override;
+
+	virtual void get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset = 0) const override;
+	virtual bool get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const override;
+
+	void _save_tex(Vector<Ref<Image>> p_images, const String &p_to_path, int p_compress_mode, float p_lossy, const Image::BasisUniversalPackerParams &p_basisu_params, Image::CompressMode p_vram_compression, Image::CompressSource p_csource, Image::UsedChannels used_channels, bool p_mipmaps, bool p_force_po2);
+
+	virtual Error import(ResourceUID::ID p_source_id, const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files = nullptr, Variant *r_metadata = nullptr) override;
+
+	virtual bool are_import_settings_valid(const String &p_path, const Dictionary &p_meta) const override;
+	virtual String get_import_settings_string() const override;
+
+	virtual bool can_import_threaded() const override { return true; }
+
+	void set_mode(Mode p_mode) { mode = p_mode; }
+
+	ResourceImporterLayeredTexture(bool p_singleton = false);
+	~ResourceImporterLayeredTexture();
+};