mirror of
https://github.com/OpenRCT2/OpenRCT2
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117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include <SDL_mouse.h>
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#include "../core/Guard.hpp"
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#include "Cursors.h"
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namespace Cursors
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{
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constexpr sint32 CURSOR_WIDTH = 32;
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constexpr sint32 CURSOR_HEIGHT = 32;
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static SDL_Cursor * _loadedCursors[CURSOR_COUNT];
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static bool _initialised = false;
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static CURSOR_ID _currentCursor = CURSOR_UNDEFINED;
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static SDL_Cursor * Create(const CursorData * cursorInfo)
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{
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SDL_Cursor * cursor = SDL_CreateCursor(
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cursorInfo->Data,
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cursorInfo->Mask,
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CURSOR_WIDTH,
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CURSOR_HEIGHT,
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cursorInfo->HotSpot.X,
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cursorInfo->HotSpot.Y);
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return cursor;
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}
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void Initialise()
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{
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Guard::Assert(!_initialised, "Cursors have already been initialised.");
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_initialised = true;
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// Using system cursors
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_loadedCursors[CURSOR_ARROW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
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_loadedCursors[CURSOR_HAND_POINT] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
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// Using custom cursors
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for (size_t i = 0; i < CURSOR_COUNT; i++)
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{
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const CursorData * cursorData = GetCursorData((CURSOR_ID)i);
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if (cursorData != nullptr)
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{
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_loadedCursors[i] = Create(cursorData);
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}
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}
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_currentCursor = CURSOR_UNDEFINED;
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SetCurrentCursor(CURSOR_ARROW);
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}
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void Dispose()
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{
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if (_initialised)
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{
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for (size_t i = 0; i < CURSOR_COUNT; i++)
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{
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SDL_FreeCursor(_loadedCursors[i]);
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_loadedCursors[i] = nullptr;
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}
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_currentCursor = CURSOR_UNDEFINED;
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_initialised = false;
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}
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}
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CURSOR_ID GetCurrentCursor()
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{
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return _currentCursor;
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}
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void SetCurrentCursor(CURSOR_ID cursorId)
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{
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if (_currentCursor != cursorId)
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{
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SDL_Cursor * cursor = _loadedCursors[cursorId];
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SDL_SetCursor(cursor);
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_currentCursor = cursorId;
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}
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}
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}
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extern "C"
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{
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void cursors_initialise()
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{
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Cursors::Initialise();
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}
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void cursors_dispose()
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{
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Cursors::Dispose();
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}
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int cursors_getcurrentcursor()
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{
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return Cursors::GetCurrentCursor();
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}
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void cursors_setcurrentcursor(int cursorId)
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{
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Cursors::SetCurrentCursor((CURSOR_ID)cursorId);
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}
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}
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