142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
/****************************************************************************
|
|
* apps/graphics/traveler/tools/libwld/wld_saveplanes.c
|
|
* This file contains the logic which stores the world data into the specified
|
|
* file
|
|
*
|
|
* Copyright (C) 2016 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/*************************************************************************
|
|
* Included files
|
|
*************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include "trv_types.h"
|
|
#include "wld_plane.h"
|
|
|
|
/*************************************************************************
|
|
* Private Functions
|
|
*************************************************************************/
|
|
|
|
/*************************************************************************
|
|
* Name: wld_count_rectangles
|
|
* Description:
|
|
* This function counts the number of rectangles in one plane
|
|
************************************************************************/
|
|
|
|
static uint16_t wld_count_rectangles(rect_list_t * rect)
|
|
{
|
|
uint16_t count;
|
|
for (count = 0; (rect); count++, rect = rect->flink);
|
|
return count;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* Name: wld_save_worldplane
|
|
* Description:
|
|
* This function stores the world data for one plane
|
|
************************************************************************/
|
|
|
|
static uint8_t wld_save_worldplane(FILE * fp, rect_list_t * rect)
|
|
{
|
|
/* For each rectangle in the list */
|
|
|
|
for (; (rect); rect = rect->flink)
|
|
{
|
|
/* Write the rectangle to the output file */
|
|
|
|
if (fwrite((char *)&rect->d, SIZEOF_RECTDATATYPE, 1, fp) != 1)
|
|
return PLANE_DATA_WRITE_ERROR;
|
|
}
|
|
|
|
return PLANE_SUCCESS;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* Public Functions
|
|
*************************************************************************/
|
|
|
|
/*************************************************************************
|
|
* Name: wld_save_planes
|
|
* Description:
|
|
* This function stores the world data into the specified file
|
|
************************************************************************/
|
|
|
|
uint8_t wld_save_planes(const char *wldFile)
|
|
{
|
|
FILE *fp;
|
|
plane_file_header_t fileHeader;
|
|
uint8_t result;
|
|
|
|
/* Open the file which contains the description of the world */
|
|
|
|
fp = fopen(wldFile, "wb");
|
|
if (!fp)
|
|
{
|
|
return PLANE_WRITE_OPEN_ERROR;
|
|
}
|
|
|
|
/* Create world file header */
|
|
|
|
fileHeader.num_xrects = wld_count_rectangles(g_xplane_list.head);
|
|
fileHeader.num_yrects = wld_count_rectangles(g_yplane_list.head);
|
|
fileHeader.num_zrects = wld_count_rectangles(g_zplane_list.head);
|
|
|
|
/* Write the file header to the output file */
|
|
|
|
if (fwrite((char *)&fileHeader, SIZEOF_PLANEFILEHEADERTYPE, 1, fp) != 1)
|
|
{
|
|
result = PLANE_HEADER_WRITE_ERROR;
|
|
}
|
|
|
|
/* Save the world, one plane at a time */
|
|
|
|
else
|
|
{
|
|
result = wld_save_worldplane(fp, g_xplane_list.head);
|
|
if (result == PLANE_SUCCESS)
|
|
{
|
|
result = wld_save_worldplane(fp, g_yplane_list.head);
|
|
}
|
|
|
|
if (result == PLANE_SUCCESS)
|
|
{
|
|
wld_save_worldplane(fp, g_zplane_list.head);
|
|
}
|
|
}
|
|
|
|
/* Close the file */
|
|
|
|
fclose(fp);
|
|
return result;
|
|
}
|