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[HTML5] Port JavaScript inline code to libraries.

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The API is implemented in javascript, and generates C functions that can
be called from godot.
This allows much cleaner code replacing all `EM_ASM` calls in our C++
code with plain C function calls.
This also gets rid of few hacks and comes with few optimizations (e.g.
custom cursor shapes should be much faster now).
This commit is contained in:
Fabio Alessandrelli 2020-10-17 23:31:30 +02:00
parent a7ecb3c048
commit e52ed6d89e
31 changed files with 2016 additions and 1502 deletions
Download patch file Download diff file Expand all files Collapse all files

20
platform/javascript/os_javascript.h
View file

@ -40,7 +40,7 @@
#include <emscripten/html5.h>
class OS_JavaScript : public OS_Unix {
private:
VideoMode video_mode;
Vector2 windowed_size;
bool window_maximized;
@ -53,10 +53,10 @@ class OS_JavaScript : public OS_Unix {
InputDefault *input;
Ref<InputEventKey> deferred_key_event;
CursorShape cursor_shape;
String cursors[CURSOR_MAX];
Map<CursorShape, Vector<Variant> > cursors_cache;
Point2 touches[32];
char canvas_id[256];
bool cursor_inside_canvas;
Point2i last_click_pos;
double last_click_ms;
int last_click_button_index;
@ -72,7 +72,9 @@ class OS_JavaScript : public OS_Unix {
bool swap_ok_cancel;
bool idb_available;
bool idb_needs_sync;
bool idb_is_syncing;
static Point2 compute_position_in_canvas(int x, int y);
static EM_BOOL fullscreen_change_callback(int p_event_type, const EmscriptenFullscreenChangeEvent *p_event, void *p_user_data);
static EM_BOOL keydown_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data);
@ -92,6 +94,12 @@ class OS_JavaScript : public OS_Unix {
static void file_access_close_callback(const String &p_file, int p_flags);
static void request_quit_callback();
static void drop_files_callback(char **p_filev, int p_filec);
static void send_notification_callback(int p_notification);
static void fs_sync_callback();
static void update_clipboard_callback(const char *p_text);
protected:
void resume_audio();
@ -108,9 +116,6 @@ protected:
virtual bool _check_internal_feature_support(const String &p_feature);
public:
String canvas_id;
bool idb_is_syncing;
void finalize_async();
bool check_size_force_redraw();
// Override return type to make writing static callbacks less tedious.
@ -179,10 +184,9 @@ public:
virtual int get_power_seconds_left();
virtual int get_power_percent_left();
void set_idb_available(bool p_idb_available);
virtual bool is_userfs_persistent() const;
OS_JavaScript(int p_argc, char *p_argv[]);
OS_JavaScript();
};
#endif