549 lines
16 KiB
C++
549 lines
16 KiB
C++
/*************************************************************************/
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/* texture.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TEXTURE_H
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#define TEXTURE_H
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#include "io/resource_loader.h"
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#include "math_2d.h"
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#include "resource.h"
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#include "servers/visual_server.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class Texture : public Resource {
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GDCLASS(Texture, Resource);
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OBJ_SAVE_TYPE(Texture); //children are all saved as Texture, so they can be exchanged
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protected:
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static void _bind_methods();
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public:
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enum Flags {
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FLAG_MIPMAPS = VisualServer::TEXTURE_FLAG_MIPMAPS,
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FLAG_REPEAT = VisualServer::TEXTURE_FLAG_REPEAT,
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FLAG_FILTER = VisualServer::TEXTURE_FLAG_FILTER,
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FLAG_ANISOTROPIC_FILTER = VisualServer::TEXTURE_FLAG_ANISOTROPIC_FILTER,
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FLAG_CONVERT_TO_LINEAR = VisualServer::TEXTURE_FLAG_CONVERT_TO_LINEAR,
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FLAG_VIDEO_SURFACE = VisualServer::TEXTURE_FLAG_USED_FOR_STREAMING,
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FLAGS_DEFAULT = FLAG_MIPMAPS | FLAG_REPEAT | FLAG_FILTER,
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FLAG_MIRRORED_REPEAT = VisualServer::TEXTURE_FLAG_MIRRORED_REPEAT
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};
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virtual int get_width() const = 0;
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virtual int get_height() const = 0;
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virtual Size2 get_size() const;
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virtual RID get_rid() const = 0;
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virtual bool has_alpha() const = 0;
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virtual void set_flags(uint32_t p_flags) = 0;
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virtual uint32_t get_flags() const = 0;
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virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual bool get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const;
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virtual Ref<Image> get_data() const { return Ref<Image>(); }
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Texture();
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};
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VARIANT_ENUM_CAST(Texture::Flags);
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class ImageTexture : public Texture {
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GDCLASS(ImageTexture, Texture);
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RES_BASE_EXTENSION("tex");
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public:
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enum Storage {
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STORAGE_RAW,
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STORAGE_COMPRESS_LOSSY,
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STORAGE_COMPRESS_LOSSLESS
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};
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private:
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RID texture;
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Image::Format format;
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uint32_t flags;
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int w, h;
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Storage storage;
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Size2 size_override;
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float lossy_storage_quality;
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protected:
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virtual void reload_from_file();
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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void _reload_hook(const RID &p_hook);
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virtual void _resource_path_changed();
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static void _bind_methods();
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void _set_data(Dictionary p_data);
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public:
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void create(int p_width, int p_height, Image::Format p_format, uint32_t p_flags = FLAGS_DEFAULT);
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void create_from_image(const Ref<Image> &p_image, uint32_t p_flags = FLAGS_DEFAULT);
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void set_flags(uint32_t p_flags);
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uint32_t get_flags() const;
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Image::Format get_format() const;
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void load(const String &p_path);
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void set_data(const Ref<Image> &p_image);
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Ref<Image> get_data() const;
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int get_width() const;
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int get_height() const;
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virtual RID get_rid() const;
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bool has_alpha() const;
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virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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void set_storage(Storage p_storage);
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Storage get_storage() const;
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void set_lossy_storage_quality(float p_lossy_storage_quality);
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float get_lossy_storage_quality() const;
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void set_size_override(const Size2 &p_size);
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virtual void set_path(const String &p_path, bool p_take_over = false);
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ImageTexture();
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~ImageTexture();
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};
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class StreamTexture : public Texture {
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GDCLASS(StreamTexture, Texture);
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public:
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enum DataFormat {
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DATA_FORMAT_IMAGE,
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DATA_FORMAT_LOSSLESS,
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DATA_FORMAT_LOSSY
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};
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enum FormatBits {
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FORMAT_MASK_IMAGE_FORMAT = (1 << 20) - 1,
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FORMAT_BIT_LOSSLESS = 1 << 20,
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FORMAT_BIT_LOSSY = 1 << 21,
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FORMAT_BIT_STREAM = 1 << 22,
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FORMAT_BIT_HAS_MIPMAPS = 1 << 23,
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FORMAT_BIT_DETECT_3D = 1 << 24,
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FORMAT_BIT_DETECT_SRGB = 1 << 25,
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};
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private:
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Error _load_data(const String &p_path, int &tw, int &th, int &flags, Ref<Image> &image, int p_size_limit = 0);
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String path_to_file;
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RID texture;
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Image::Format format;
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uint32_t flags;
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int w, h;
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virtual void reload_from_file();
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static void _requested_3d(void *p_ud);
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static void _requested_srgb(void *p_ud);
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protected:
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static void _bind_methods();
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public:
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typedef void (*TextureFormatRequestCallback)(const Ref<StreamTexture> &);
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static TextureFormatRequestCallback request_3d_callback;
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static TextureFormatRequestCallback request_srgb_callback;
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uint32_t get_flags() const;
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Image::Format get_format() const;
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Error load(const String &p_path);
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String get_load_path() const;
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int get_width() const;
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int get_height() const;
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virtual RID get_rid() const;
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virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual bool has_alpha() const;
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virtual void set_flags(uint32_t p_flags);
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virtual Ref<Image> get_data() const;
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StreamTexture();
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~StreamTexture();
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};
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class ResourceFormatLoaderStreamTexture : public ResourceFormatLoader {
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public:
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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virtual bool handles_type(const String &p_type) const;
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virtual String get_resource_type(const String &p_path) const;
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};
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VARIANT_ENUM_CAST(ImageTexture::Storage);
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class AtlasTexture : public Texture {
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GDCLASS(AtlasTexture, Texture);
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RES_BASE_EXTENSION("atex");
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protected:
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Ref<Texture> atlas;
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Rect2 region;
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Rect2 margin;
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static void _bind_methods();
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public:
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virtual int get_width() const;
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virtual int get_height() const;
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virtual RID get_rid() const;
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virtual bool has_alpha() const;
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virtual void set_flags(uint32_t p_flags);
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virtual uint32_t get_flags() const;
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void set_atlas(const Ref<Texture> &p_atlas);
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Ref<Texture> get_atlas() const;
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void set_region(const Rect2 &p_region);
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Rect2 get_region() const;
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void set_margin(const Rect2 &p_margin);
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Rect2 get_margin() const;
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virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual bool get_rect_region(const Rect2 &p_rect, const Rect2 &p_src_rect, Rect2 &r_rect, Rect2 &r_src_rect) const;
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AtlasTexture();
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};
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class LargeTexture : public Texture {
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GDCLASS(LargeTexture, Texture);
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RES_BASE_EXTENSION("ltex");
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protected:
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struct Piece {
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Point2 offset;
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Ref<Texture> texture;
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};
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Vector<Piece> pieces;
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Size2i size;
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Array _get_data() const;
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void _set_data(const Array &p_array);
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static void _bind_methods();
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public:
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virtual int get_width() const;
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virtual int get_height() const;
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virtual RID get_rid() const;
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virtual bool has_alpha() const;
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virtual void set_flags(uint32_t p_flags);
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virtual uint32_t get_flags() const;
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int add_piece(const Point2 &p_offset, const Ref<Texture> &p_texture);
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void set_piece_offset(int p_idx, const Point2 &p_offset);
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void set_piece_texture(int p_idx, const Ref<Texture> &p_texture);
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void set_size(const Size2 &p_size);
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void clear();
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int get_piece_count() const;
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Vector2 get_piece_offset(int p_idx) const;
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Ref<Texture> get_piece_texture(int p_idx) const;
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virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const;
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LargeTexture();
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};
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class CubeMap : public Resource {
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GDCLASS(CubeMap, Resource);
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RES_BASE_EXTENSION("cbm");
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public:
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enum Storage {
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STORAGE_RAW,
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STORAGE_COMPRESS_LOSSY,
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STORAGE_COMPRESS_LOSSLESS
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};
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enum Side {
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SIDE_LEFT,
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SIDE_RIGHT,
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SIDE_BOTTOM,
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SIDE_TOP,
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SIDE_FRONT,
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SIDE_BACK
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};
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enum Flags {
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FLAG_MIPMAPS = VisualServer::TEXTURE_FLAG_MIPMAPS,
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FLAG_REPEAT = VisualServer::TEXTURE_FLAG_REPEAT,
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FLAG_FILTER = VisualServer::TEXTURE_FLAG_FILTER,
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FLAGS_DEFAULT = FLAG_MIPMAPS | FLAG_REPEAT | FLAG_FILTER,
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};
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private:
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bool valid[6];
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RID cubemap;
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Image::Format format;
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uint32_t flags;
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int w, h;
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Storage storage;
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Size2 size_override;
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float lossy_storage_quality;
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_FORCE_INLINE_ bool _is_valid() const {
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for (int i = 0; i < 6; i++) {
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if (valid[i]) return true;
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}
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return false;
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}
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protected:
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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static void _bind_methods();
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public:
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void set_flags(uint32_t p_flags);
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uint32_t get_flags() const;
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void set_side(Side p_side, const Ref<Image> &p_image);
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Ref<Image> get_side(Side p_side) const;
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Image::Format get_format() const;
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int get_width() const;
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int get_height() const;
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virtual RID get_rid() const;
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void set_storage(Storage p_storage);
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Storage get_storage() const;
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void set_lossy_storage_quality(float p_lossy_storage_quality);
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float get_lossy_storage_quality() const;
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virtual void set_path(const String &p_path, bool p_take_over = false);
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CubeMap();
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~CubeMap();
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};
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VARIANT_ENUM_CAST(CubeMap::Flags);
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VARIANT_ENUM_CAST(CubeMap::Side);
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VARIANT_ENUM_CAST(CubeMap::Storage);
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class CurveTexture : public Texture {
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GDCLASS(CurveTexture, Texture);
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RES_BASE_EXTENSION("cvtex");
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private:
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RID texture;
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PoolVector<Vector2> points;
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float min, max;
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int width;
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protected:
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static void _bind_methods();
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public:
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void set_max(float p_max);
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float get_max() const;
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void set_min(float p_min);
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float get_min() const;
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void set_width(int p_width);
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int get_width() const;
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void set_points(const PoolVector<Vector2> &p_points);
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PoolVector<Vector2> get_points() const;
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virtual RID get_rid() const;
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virtual int get_height() const { return 1; }
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virtual bool has_alpha() const { return false; }
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virtual void set_flags(uint32_t p_flags) {}
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virtual uint32_t get_flags() const { return FLAG_FILTER; }
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CurveTexture();
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~CurveTexture();
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};
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/*
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enum CubeMapSide {
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CUBEMAP_LEFT,
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CUBEMAP_RIGHT,
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CUBEMAP_BOTTOM,
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CUBEMAP_TOP,
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CUBEMAP_FRONT,
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CUBEMAP_BACK,
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};
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*/
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//VARIANT_ENUM_CAST( Texture::CubeMapSide );
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class GradientTexture : public Texture {
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GDCLASS(GradientTexture, Texture);
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public:
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struct Point {
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float offset;
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Color color;
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bool operator<(const Point &p_ponit) const {
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return offset < p_ponit.offset;
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}
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};
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private:
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Vector<Point> points;
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bool is_sorted;
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bool update_pending;
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RID texture;
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int width;
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void _queue_update();
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void _update();
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protected:
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static void _bind_methods();
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public:
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void add_point(float p_offset, const Color &p_color);
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void remove_point(int p_index);
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void set_points(Vector<Point> &points);
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Vector<Point> &get_points();
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void set_offset(int pos, const float offset);
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float get_offset(int pos) const;
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void set_color(int pos, const Color &color);
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Color get_color(int pos) const;
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void set_offsets(const Vector<float> &offsets);
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Vector<float> get_offsets() const;
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void set_colors(const Vector<Color> &colors);
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Vector<Color> get_colors() const;
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void set_width(int p_width);
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int get_width() const;
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virtual RID get_rid() const { return texture; }
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virtual int get_height() const { return 1; }
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virtual bool has_alpha() const { return true; }
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virtual void set_flags(uint32_t p_flags) {}
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virtual uint32_t get_flags() const { return FLAG_FILTER; }
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_FORCE_INLINE_ Color get_color_at_offset(float p_offset) {
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if (points.empty())
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return Color(0, 0, 0, 1);
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if (!is_sorted) {
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points.sort();
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is_sorted = true;
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}
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//binary search
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int low = 0;
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int high = points.size() - 1;
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int middle;
|
|
|
|
while (low <= high) {
|
|
middle = (low + high) / 2;
|
|
Point &point = points[middle];
|
|
if (point.offset > p_offset) {
|
|
high = middle - 1; //search low end of array
|
|
} else if (point.offset < p_offset) {
|
|
low = middle + 1; //search high end of array
|
|
} else {
|
|
return point.color;
|
|
}
|
|
}
|
|
|
|
//return interpolated value
|
|
if (points[middle].offset > p_offset) {
|
|
middle--;
|
|
}
|
|
int first = middle;
|
|
int second = middle + 1;
|
|
if (second >= points.size())
|
|
return points[points.size() - 1].color;
|
|
if (first < 0)
|
|
return points[0].color;
|
|
Point &pointFirst = points[first];
|
|
Point &pointSecond = points[second];
|
|
return pointFirst.color.linear_interpolate(pointSecond.color, (p_offset - pointFirst.offset) / (pointSecond.offset - pointFirst.offset));
|
|
}
|
|
|
|
int get_points_count() const;
|
|
|
|
GradientTexture();
|
|
virtual ~GradientTexture();
|
|
};
|
|
|
|
#endif
|