From 26e09c240a9888b08220be18a61d9a2144f6b99c Mon Sep 17 00:00:00 2001
From: SNMetamorph <25657591+SNMetamorph@users.noreply.github.com>
Date: Fri, 22 Apr 2022 21:31:10 +0400
Subject: [PATCH] engine: platform: added Platform_SetCursorType

---
 engine/cursor_type.h         | 39 ++++++++++++++++++
 engine/platform/platform.h   |  2 +
 engine/platform/sdl/in_sdl.c | 77 ++++++++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 engine/cursor_type.h

diff --git a/engine/cursor_type.h b/engine/cursor_type.h
new file mode 100644
index 00000000..6264eda7
--- /dev/null
+++ b/engine/cursor_type.h
@@ -0,0 +1,39 @@
+/*
+cursor_type.h - enumeration of possible mouse cursor types
+Copyright (C) 2022 FWGS Team
+
+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.
+*/
+
+#pragma once
+#ifndef CURSOR_TYPE_H
+#define CURSOR_TYPE_H
+
+typedef enum
+{
+	CursorType_User,
+	CursorType_None,
+	CursorType_Arrow,
+	CursorType_Ibeam,
+	CursorType_Wait,
+	CursorType_Crosshair,
+	CursorType_Up,
+	CursorType_SizeNwSe,
+	CursorType_SizeNeSw,
+	CursorType_SizeWe,
+	CursorType_SizeNs,
+	CursorType_SizeAll,
+	CursorType_No,
+	CursorType_Hand,
+	CursorType_Last
+} cursor_type_t;
+
+#endif
diff --git a/engine/platform/platform.h b/engine/platform/platform.h
index f4894f36..02645265 100644
--- a/engine/platform/platform.h
+++ b/engine/platform/platform.h
@@ -20,6 +20,7 @@ GNU General Public License for more details.
 #include "common.h"
 #include "system.h"
 #include "defaults.h"
+#include "cursor_type.h"
 
 /*
 ==============================================================================
@@ -79,6 +80,7 @@ void Platform_GetMousePos( int *x, int *y );
 void Platform_SetMousePos( int x, int y );
 void Platform_PreCreateMove( void );
 void Platform_MouseMove( float *x, float *y );
+void Platform_SetCursorType( cursor_type_t type );
 // Clipboard
 int Platform_GetClipboardText( char *buffer, size_t size );
 void Platform_SetClipboardText( const char *buffer );
diff --git a/engine/platform/sdl/in_sdl.c b/engine/platform/sdl/in_sdl.c
index 963e7d6c..dec29ed1 100644
--- a/engine/platform/sdl/in_sdl.c
+++ b/engine/platform/sdl/in_sdl.c
@@ -25,6 +25,7 @@ GNU General Public License for more details.
 #include "vid_common.h"
 
 SDL_Joystick *g_joy = NULL;
+static SDL_Cursor *g_pDefaultCursor[CursorType_Last];
 #if !SDL_VERSION_ATLEAST( 2, 0, 0 )
 #define SDL_WarpMouseInWindow( win, x, y ) SDL_WarpMouse( ( x ), ( y ) )
 #endif
@@ -246,4 +247,80 @@ int Platform_JoyInit( int numjoy )
 	return SDLash_JoyInit_Old(numjoy);
 }
 
+/*
+========================
+SDLash_InitCursors
+
+========================
+*/
+static void SDLash_InitCursors( void )
+{
+	static qboolean initialized = false;
+	if( !initialized )
+	{
+		// load up all default cursors
+#if SDL_VERSION_ATLEAST( 2, 0, 0 )
+		g_pDefaultCursor[CursorType_None] = NULL;
+		g_pDefaultCursor[CursorType_Arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
+		g_pDefaultCursor[CursorType_Ibeam] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
+		g_pDefaultCursor[CursorType_Wait] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_WAIT);
+		g_pDefaultCursor[CursorType_Crosshair] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_CROSSHAIR);
+		g_pDefaultCursor[CursorType_Up] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
+		g_pDefaultCursor[CursorType_SizeNwSe] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE);
+		g_pDefaultCursor[CursorType_SizeNeSw] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW);
+		g_pDefaultCursor[CursorType_SizeWe] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE);
+		g_pDefaultCursor[CursorType_SizeNs] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS);
+		g_pDefaultCursor[CursorType_SizeAll] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL);
+		g_pDefaultCursor[CursorType_No] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO);
+		g_pDefaultCursor[CursorType_Hand] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
+#endif
+		initialized = true;
+	}
+}
+
+/*
+========================
+Platform_SetCursorType
+
+========================
+*/
+void Platform_SetCursorType( cursor_type_t type )
+{
+	qboolean visible;
+
+	if (cls.key_dest != key_game || cl.paused)
+		return;
+
+	SDLash_InitCursors();
+
+	switch( type )
+	{
+		case CursorType_User:
+		case CursorType_None:
+			visible = false;
+			break;
+		default:
+			visible = true;
+			break;
+	}
+
+#if SDL_VERSION_ATLEAST( 2, 0, 0 )
+	if( CVAR_TO_BOOL( touch_emulate ))
+		return;
+
+	if (visible && !host.mouse_visible)
+	{
+		SDL_SetCursor( g_pDefaultCursor[type] );
+		SDL_ShowCursor( true );
+		Key_EnableTextInput( true, false );
+	}
+	else if (!visible && host.mouse_visible)
+	{
+		SDL_ShowCursor( false );
+		Key_EnableTextInput( false, false );
+	}
+	host.mouse_visible = visible;
+#endif
+}
+
 #endif // XASH_DEDICATED