ozone.h

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/* RetroArch - A frontend for libretro.
 * Copyright (C) 2018 - natinusala
 *
 * RetroArch is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _OZONE_H
#define _OZONE_H

typedef struct ozone_handle ozone_handle_t;

#include "ozone_theme.h"
#include "ozone_sidebar.h"

#include <retro_miscellaneous.h>

#include "../../menu_driver.h"
#include "../../../retroarch.h"

#define FONT_SIZE_FOOTER 18
#define FONT_SIZE_TITLE 36
#define FONT_SIZE_TIME 22
#define FONT_SIZE_ENTRIES_LABEL 24
#define FONT_SIZE_ENTRIES_SUBLABEL 18
#define FONT_SIZE_SIDEBAR 24

#define ANIMATION_PUSH_ENTRY_DURATION 10
#define ANIMATION_CURSOR_DURATION 8
#define ANIMATION_CURSOR_PULSE 30

#define ENTRIES_START_Y 127

#define INTERVAL_BATTERY_LEVEL_CHECK (30 * 1000000)
#define INTERVAL_OSK_CURSOR (0.5f * 1000000)

struct ozone_handle
{
 uint64_t frame_count;

 struct 
 {
 font_data_t *footer;
 font_data_t *title;
 font_data_t *time;
 font_data_t *entries_label;
 font_data_t *entries_sublabel;
 font_data_t *sidebar;
 } fonts;

 struct
 {
 video_font_raster_block_t footer;
 video_font_raster_block_t title;
 video_font_raster_block_t time;
 video_font_raster_block_t entries_label;
 video_font_raster_block_t entries_sublabel;
 video_font_raster_block_t sidebar;
 } raster_blocks;

 menu_texture_item textures[OZONE_THEME_TEXTURE_LAST];
 menu_texture_item icons_textures[OZONE_ENTRIES_ICONS_TEXTURE_LAST];
 menu_texture_item tab_textures[OZONE_TAB_TEXTURE_LAST];

 char title[PATH_MAX_LENGTH];

 char assets_path[PATH_MAX_LENGTH];
 char png_path[PATH_MAX_LENGTH];
 char icons_path[PATH_MAX_LENGTH];
 char tab_path[PATH_MAX_LENGTH];

 uint8_t system_tab_end;
 uint8_t tabs[OZONE_SYSTEM_TAB_LAST];

 size_t categories_selection_ptr; /* active tab id */
 size_t categories_active_idx_old;

 bool cursor_in_sidebar;
 bool cursor_in_sidebar_old;

 struct
 {
 float cursor_alpha;
 float scroll_y;
 float scroll_y_sidebar;

 float list_alpha;

 float messagebox_alpha;
 } animations;

 bool fade_direction; /* false = left to right, true = right to left */

 size_t selection; /* currently selected entry */
 size_t selection_old; /* previously selected entry (for fancy animation) */
 size_t selection_old_list;

 unsigned entries_height;

 int depth;

 bool draw_sidebar;
 float sidebar_offset;

 unsigned title_font_glyph_width;
 unsigned entry_font_glyph_width;
 unsigned sublabel_font_glyph_width;

 ozone_theme_t *theme;

 struct {
 float selection_border[16];
 float selection[16];
 float entries_border[16];
 float entries_icon[16];
 float entries_checkmark[16];
 float cursor_alpha[16];

 unsigned cursor_state; /* 0 -> 1 -> 0 -> 1 [...] */
 float cursor_border[16];
 float message_background[16];
 } theme_dynamic;

 bool need_compute;

 file_list_t *selection_buf_old;

 bool draw_old_list;
 float scroll_old;

 char *pending_message;
 bool has_all_assets;

 bool is_playlist;
 bool is_playlist_old;

 bool empty_playlist;

 bool osk_cursor; /* true = display it, false = don't */
 bool messagebox_state;
 bool messagebox_state_old;
 bool should_draw_messagebox;

 unsigned old_list_offset_y;

 file_list_t *horizontal_list; /* console tabs */
};

/* If you change this struct, also
 change ozone_alloc_node and
 ozone_copy_node */
typedef struct ozone_node
{
 /* Entries */
 unsigned height;
 unsigned position_y;
 bool wrap;

 /* Console tabs */
 char *console_name;
 uintptr_t icon;
 uintptr_t content_icon;
} ozone_node_t;

void ozone_draw_entries(ozone_handle_t *ozone, video_frame_info_t *video_info,
 unsigned selection, unsigned selection_old,
 file_list_t *selection_buf, float alpha, float scroll_y,
 bool is_playlist);

void ozone_draw_sidebar(ozone_handle_t *ozone, video_frame_info_t *video_info);

void ozone_change_tab(ozone_handle_t *ozone, 
 enum msg_hash_enums tab, 
 enum menu_settings_type type);

void ozone_sidebar_goto(ozone_handle_t *ozone, unsigned new_selection);

unsigned ozone_get_sidebar_height(ozone_handle_t *ozone);

unsigned ozone_get_selected_sidebar_y_position(ozone_handle_t *ozone);

void ozone_leave_sidebar(ozone_handle_t *ozone, uintptr_t tag);

void ozone_go_to_sidebar(ozone_handle_t *ozone, uintptr_t tag);

void ozone_refresh_horizontal_list(ozone_handle_t *ozone);

void ozone_init_horizontal_list(ozone_handle_t *ozone);

void ozone_context_destroy_horizontal_list(ozone_handle_t *ozone);

void ozone_context_reset_horizontal_list(ozone_handle_t *ozone);

ozone_node_t *ozone_alloc_node();

size_t ozone_list_get_size(void *data, enum menu_list_type type);

void ozone_free_list_nodes(file_list_t *list, bool actiondata);

bool ozone_is_playlist(ozone_handle_t *ozone);

#endif