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/****************************************************************************
* apps/graphics/traveler/include/trv_world.h
* This file contains definitions for the world model
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_WORLD_H
#define __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_WORLD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include "trv_types.h"
/****************************************************************************
* Public Types
****************************************************************************/
/* The following structure contains all information necessary to define
* a point-of-view.
*/
struct trv_camera_s
{
trv_coord_t x; /* Camera X position */
trv_coord_t y; /* Camera Y position */
trv_coord_t z; /* Camera Z position */
int16_t yaw; /* Camera yaw orientation */
int16_t pitch; /* Camera pitch orientation */
};
/****************************************************************************
* Public Data
****************************************************************************/
/* This is the starting position and orientation of the camera in the world */
extern struct trv_camera_s g_initial_camera;
/* This is the height of player (distance from the camera Z position to
* the position of the player's "feet"
*/
extern trv_coord_t g_player_height;
/* This is size of something that the player can step over when "walking" */
extern trv_coord_t g_walk_stepheight;
/* This is size of something that the player can step over when "running" */
extern trv_coord_t g_run_stepheight;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
int trv_world_create(FAR const char *mapfile);
void trv_world_destroy(void);
#endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_WORLD_H */
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