From 32aa9a9f546d80cafe4ddee63885875f931e7738 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Sat, 21 Apr 2018 00:13:20 +0300
Subject: [PATCH] Implement Mobility API support. Add missing IN_TouchShutdown
 and Joy_Shutdown calls. Don't save video and opengl configs if engine
 crashed.

---
 engine/client/cl_game.c   |   2 +
 engine/client/cl_main.c   |  12 ++-
 engine/client/cl_mobile.c | 149 ++++++++++++++++++++++++++++++++++++++
 engine/client/client.h    |   6 ++
 4 files changed, 166 insertions(+), 3 deletions(-)
 create mode 100644 engine/client/cl_mobile.c

diff --git a/engine/client/cl_game.c b/engine/client/cl_game.c
index 90fca13b..74cdeb73 100644
--- a/engine/client/cl_game.c
+++ b/engine/client/cl_game.c
@@ -4215,6 +4215,8 @@ qboolean CL_LoadProgs( const char *name )
 
 	if( !R_InitRenderAPI())	// Xash3D extension
 		Con_Reportf( S_WARN "CL_LoadProgs: couldn't get render API\n" );
+	if( !Mobile_Init() ) // Xash3D FWGS extension: mobile interface
+		Con_Reportf( S_WARN "CL_LoadProgs: couldn't get mobility API\n" );
 
 	CL_InitEdicts ();		// initailize local player and world
 	CL_InitClientMove();	// initialize pm_shared
diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index 6cc538e5..3e72a03c 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -2802,11 +2802,17 @@ void CL_Shutdown( void )
 
 	Con_Printf( "CL_Shutdown()\n" );
 
-	Host_WriteOpenGLConfig ();
-	Host_WriteVideoConfig ();
+	if( !host.crashed )
+	{
+		Host_WriteOpenGLConfig ();
+		Host_WriteVideoConfig ();
+	}
 
-	CL_CloseDemoHeader();
+	IN_TouchShutdown ();
+	Joy_Shutdown ();
+	CL_CloseDemoHeader ();
 	IN_Shutdown ();
+	Mobile_Shutdown ();
 	SCR_Shutdown ();
 	CL_UnloadProgs ();
 
diff --git a/engine/client/cl_mobile.c b/engine/client/cl_mobile.c
new file mode 100644
index 00000000..d3dd0286
--- /dev/null
+++ b/engine/client/cl_mobile.c
@@ -0,0 +1,149 @@
+/*
+cl_mobile.c - common mobile interface
+Copyright (C) 2015 a1batross
+
+This program 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 Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program 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.
+*/
+
+#ifndef XASH_DEDICATED
+
+#include "common.h"
+#include "client.h"
+#include "mobility_int.h"
+#include "library.h"
+#include "gl_local.h"
+#include "input.h"
+
+#if defined(__ANDROID__)
+#include "platform/android/android-main.h"
+#endif
+
+mobile_engfuncs_t *gMobileEngfuncs;
+
+convar_t *vibration_length;
+convar_t *vibration_enable;
+
+static void pfnVibrate( float life, char flags )
+{
+	if( !vibration_enable->value )
+		return;
+
+	if( life < 0.0f )
+	{
+		MsgDev( D_WARN, "Negative vibrate time: %f\n", life );
+		return;
+	}
+
+	//MsgDev( D_NOTE, "Vibrate: %f %d\n", life, flags );
+
+	// here goes platform-specific backends
+#ifdef __ANDROID__
+	Android_Vibrate( life * vibration_length->value, flags );
+#endif
+}
+
+static void Vibrate_f()
+{
+	if( Cmd_Argc() != 2 )
+	{
+		Msg( "Usage: vibrate <time>\n" );
+		return;
+	}
+
+	pfnVibrate( Q_atof( Cmd_Argv(1) ), VIBRATE_NORMAL );
+}
+
+static void pfnEnableTextInput( int enable )
+{
+	Key_EnableTextInput( enable, false );
+}
+
+static int pfnDrawScaledCharacter( int x, int y, int number, int r, int g, int b, float scale )
+{
+	int width  = clgame.scrInfo.charWidths[number] * scale * hud_scale->value;
+	int height = clgame.scrInfo.iCharHeight        * scale * hud_scale->value;
+
+	if( !cls.creditsFont.valid )
+		return 0;
+
+	x *= hud_scale->value;
+	y *= hud_scale->value;
+
+	number &= 255;
+	number = Con_UtfProcessChar( number );
+
+	if( number < 32 )
+		return 0;
+
+	if( y < -height )
+		return 0;
+
+	pfnPIC_Set( cls.creditsFont.hFontTexture, r, g, b, 255 );
+	pfnPIC_DrawAdditive( x, y, width, height, &cls.creditsFont.fontRc[number] );
+
+	return width;
+}
+
+static void *pfnGetNativeObject( const char *obj )
+{
+	if( !obj )
+		return NULL;
+
+	// Backend should handle NULL
+	// Backend should consider that obj is case-sensitive
+#ifdef __ANDROID__
+	return Android_GetNativeObject( obj );
+#else
+	return NULL;
+#endif
+}
+
+static mobile_engfuncs_t gpMobileEngfuncs =
+{
+	MOBILITY_API_VERSION,
+	pfnVibrate,
+	pfnEnableTextInput,
+	IN_TouchAddClientButton,
+	IN_TouchAddDefaultButton,
+	(void*)IN_TouchHideButtons,
+	IN_TouchRemoveButton,
+	(void*)IN_TouchSetClientOnly,
+	IN_TouchResetDefaultButtons,
+	pfnDrawScaledCharacter,
+	Sys_Warn,
+	pfnGetNativeObject,
+	ID_SetCustomClientID
+};
+
+qboolean Mobile_Init( void )
+{
+	qboolean success = false;
+	pfnMobilityInterface ExportToClient;
+
+	// find a mobility interface
+	ExportToClient = COM_GetProcAddress( clgame.hInstance, MOBILITY_CLIENT_EXPORT );
+	gMobileEngfuncs = &gpMobileEngfuncs;
+
+	if( ExportToClient && !ExportToClient( gMobileEngfuncs ) )
+		success = true;
+
+	Cmd_AddCommand( "vibrate", (xcommand_t)Vibrate_f, "Vibrate for specified time");
+	vibration_length = Cvar_Get( "vibration_length", "1.0", FCVAR_ARCHIVE, "Vibration length");
+	vibration_enable = Cvar_Get( "vibration_enable", "1", FCVAR_ARCHIVE, "Enable vibration");
+
+	return success;
+}
+
+void Mobile_Shutdown( void )
+{
+	Cmd_RemoveCommand( "vibrate" );
+}
+#endif // XASH_DEDICATED
diff --git a/engine/client/client.h b/engine/client/client.h
index 930d60ed..8ccee02f 100644
--- a/engine/client/client.h
+++ b/engine/client/client.h
@@ -1063,6 +1063,12 @@ void pfnPIC_DrawTrans( int x, int y, int width, int height, const wrect_t *prc )
 void pfnPIC_DrawHoles( int x, int y, int width, int height, const wrect_t *prc );
 void pfnPIC_DrawAdditive( int x, int y, int width, int height, const wrect_t *prc );
 
+//
+// cl_mobile.c
+//
+qboolean Mobile_Init( void );
+void Mobile_Shutdown( void );
+
 //
 // cl_video.c
 //