sys_wasm.c File Reference

#include <SDL.h>
#include "darkplaces.h"
#include "fs.h"
#include "vid.h"
#include <emscripten.h>
#include <emscripten/html5.h>
#include <string.h>

Include dependency graph for sys_wasm.c:

Go to the source code of this file.

Functions
	EM_JS (bool, js_syncFS,(bool populate), { FS.syncfs(populate, function(err) { if(err) { alert("FileSystem Save Error: "+err);return false;} alert("Filesystem Saved!");return true;});})
	EM_JS (char *, js_getclipboard,(void), { return stringToNewUTF8("clipboard access requires JSPI which is not currently enabled.");})
	EM_JS (float, js_GetViewportHeight,(void), { return document.documentElement.clientHeight })
	EM_JS (float, js_GetViewportWidth,(void), { return document.documentElement.clientWidth })
static EM_BOOL	em_on_resize (int etype, const EmscriptenUiEvent *event, void *UData)
static void	em_savefs_f (cmd_state_t *cmd)
int	main (int argc, char *argv[])
void	Sys_EM_Register_Commands (void)
void	Sys_SDL_Delay (unsigned int milliseconds)
void	Sys_SDL_Dialog (const char *title, const char *string)
char *	Sys_SDL_GetClipboardData (void)
unsigned int	Sys_SDL_GetTicks (void)
void	Sys_SDL_Init (void)
void	Sys_SDL_Shutdown (void)
	INFO: This is only called by Host_Shutdown so we dont need testing for recursion.

Variables
static qbool	nocrashdialog = true
qbool	sys_supportsdlgetticks = true

Function Documentation

EM_JS() [1/4]

EM_JS	(	bool	,
		js_syncFS	,
		(bool populate)	,
		{ FS.syncfs(populate, function(err) { if(err) { alert("FileSystem Save Error: "+err);return false;} alert("Filesystem Saved!");return true;});}	)

EM_JS() [2/4]

EM_JS	(	char *	,
		js_getclipboard	,
		(void)	,
		{ return stringToNewUTF8("clipboard access requires JSPI which is not currently enabled.");}	)

EM_JS() [3/4]

EM_JS	(	float	,
		js_GetViewportHeight	,
		(void)	,
		{ return document.documentElement.clientHeight }	)

EM_JS() [4/4]

EM_JS	(	float	,
		js_GetViewportWidth	,
		(void)	,
		{ return document.documentElement.clientWidth }	)

em_on_resize()

static EM_BOOL em_on_resize ( int etype, const EmscriptenUiEvent * event, void * UData )

static

Definition at line 22 of file sys_wasm.c.

{
    if(vid_resizable.integer)
    {
        Cvar_SetValueQuick(&vid_width, js_GetViewportWidth());
        Cvar_SetValueQuick(&vid_height, js_GetViewportHeight());
        Cvar_SetQuick(&vid_fullscreen, "0");
    }
    return EM_FALSE;
}

References Cvar_SetQuick(), Cvar_SetValueQuick(), cvar_t::integer, vid_fullscreen, vid_height, vid_resizable, and vid_width.

Referenced by Sys_SDL_Init().

em_savefs_f()

static void em_savefs_f ( cmd_state_t * cmd )

static

Definition at line 208 of file sys_wasm.c.

{
    Con_Printf("Saving Files\n");
    js_syncFS(false);
}

References Con_Printf().

Referenced by Sys_EM_Register_Commands().

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 304 of file sys_wasm.c.

{
    return Sys_Main(argc, argv);
}

References argv(), and Sys_Main().

Sys_EM_Register_Commands()

void Sys_EM_Register_Commands

(

void

)

Definition at line 279 of file sys_wasm.c.

{
#ifdef WASM_USER_ADJUSTABLE
    Cmd_AddCommand(CF_SHARED, "em_ls", em_listfiles_f, "Lists Files in specified directory defaulting to the current working directory (Emscripten Only)");
    Cmd_AddCommand(CF_SHARED, "em_upload", em_upload_f, "Upload file to specified directory defaulting to basedir (Emscripten Only)");
    Cmd_AddCommand(CF_SHARED, "em_rm", em_rm_f, "Remove a file from game Filesystem (Emscripten Only)");
    Cmd_AddCommand(CF_SHARED, "em_rmdir", em_rmdir_f, "Remove a directory from game Filesystem (Emscripten Only)");
    Cmd_AddCommand(CF_SHARED, "em_mkdir", em_mkdir_f, "Make a directory in game Filesystem (Emscripten Only)");
    Cmd_AddCommand(CF_SHARED, "em_mv", em_mv_f, "Rename or Move an item in game Filesystem (Emscripten only)");
    Cmd_AddCommand(CF_SHARED, "em_wss", em_wss_f, "Set Websocket URL and Protocol (Emscripten Only)");
#endif
    Cmd_AddCommand(CF_SHARED, "em_save", em_savefs_f, "Save file changes to browser (Emscripten Only)");
}

References CF_SHARED, Cmd_AddCommand(), and em_savefs_f().

Referenced by FS_Init_Commands().

Sys_SDL_Delay()

void Sys_SDL_Delay

(

unsigned int

milliseconds

)

Definition at line 299 of file sys_wasm.c.

{
    SDL_Delay(milliseconds);
}

References Sys_Error().

Referenced by Sys_Sleep().

Sys_SDL_Dialog()

void Sys_SDL_Dialog	(	const char *	title,
		const char *	string )

Definition at line 223 of file sys_wasm.c.

{
    if(!nocrashdialog)
        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title, string, NULL);
}

References nocrashdialog, and NULL.

Referenced by Sys_Error(), and Sys_HandleCrash().

Sys_SDL_GetClipboardData()

char * Sys_SDL_GetClipboardData

(

void

)

Definition at line 248 of file sys_wasm.c.

{
    char *data = NULL;
    char *cliptext;
 
    // SDL_GetClipboardText() does nothing in a browser, see above
    cliptext = js_getclipboard();
    if (cliptext != NULL) {
        size_t allocsize;
        allocsize = min(MAX_INPUTLINE, strlen(cliptext) + 1);
        data = (char *)Z_Malloc (allocsize);
        dp_strlcpy (data, cliptext, allocsize);
        free(cliptext);
    }
 
    return data;
}

References data, dp_strlcpy, MAX_INPUTLINE, min, NULL, strlen(), and Z_Malloc.

Referenced by Key_Parse_CommonKeys().

Sys_SDL_GetTicks()

unsigned int Sys_SDL_GetTicks

(

void

)

Definition at line 294 of file sys_wasm.c.

{
    return SDL_GetTicks();
}

References Sys_Error().

Referenced by Sys_DirtyTime().

Sys_SDL_Init()

void Sys_SDL_Init

(

void

)

Definition at line 266 of file sys_wasm.c.

{
    if (SDL_Init(0) < 0)
        Sys_Error("SDL_Init failed: %s\n", SDL_GetError());
 
    // we don't know which systems we'll want to init, yet...
    // COMMANDLINEOPTION: sdl: -nocrashdialog disables "Engine Error" crash dialog boxes
    if(!Sys_CheckParm("-nocrashdialog"))
        nocrashdialog = false;
    
    emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, 0, EM_FALSE, em_on_resize);
}

References em_on_resize(), nocrashdialog, Sys_CheckParm(), and Sys_Error().

Referenced by Host_Init().

Sys_SDL_Shutdown()

void Sys_SDL_Shutdown

(

void

)

INFO: This is only called by Host_Shutdown so we dont need testing for recursion.

Definition at line 214 of file sys_wasm.c.

{
    js_syncFS(false);
    SDL_Quit();
}

Referenced by Host_Shutdown().

Variable Documentation

nocrashdialog

qbool nocrashdialog = true

static

Definition at line 222 of file sys_wasm.c.

Referenced by Sys_SDL_Dialog(), and Sys_SDL_Init().

sys_supportsdlgetticks

qbool sys_supportsdlgetticks = true

Definition at line 293 of file sys_wasm.c.

Referenced by Sys_DirtyTime(), Sys_Init_Commands(), and Sys_Sleep().