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Diffstat (limited to 'apps/graphics/traveler/include/trv_plane.h')
| -rw-r--r-- | apps/graphics/traveler/include/trv_plane.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/apps/graphics/traveler/include/trv_plane.h b/apps/graphics/traveler/include/trv_plane.h new file mode 100644 index 000000000..60da752d7 --- /dev/null +++ b/apps/graphics/traveler/include/trv_plane.h @@ -0,0 +1,125 @@ +/**************************************************************************** + * apps/graphics/traveler/include/trv_plane.h + * This file contains definitions for the world planes + * + * 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_PLANE_H +#define __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_PLANE_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include "trv_types.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* These are bit-field definitions for the struct trv_rect_data_s attribute field + * STATIC settings + */ + +#define SHADED_PLANE 0x01 +#define TRANSPARENT_PLANE 0x02 +#define DOOR_PLANE 0x04 + +/* DYNAMIC settings */ + +#define OPEN_DOOR_PLANE 0x08 +#define MOVING_DOOR_PLANE 0x10 + +/* Legal values of texture scaling in struct trv_rect_data_s */ + +#define ONEX_SCALING 0 +#define TW0X_SCALING 1 +#define FOURX_SCALING 2 +#define MAXX_SCALING 2 + +/* These macros are used to test the various texture attributes */ + +#define IS_NORMAL(r) (((r)->attribute & ~SHADED_PLANE) == 0) +#define IS_SHADED(r) (((r)->attribute & SHADED_PLANE) != 0) +#define IS_TRANSPARENT(r) (((r)->attribute & TRANSPARENT_PLANE) != 0) +#define IS_DOOR(r) (((r)->attribute & DOOR_PLANE) != 0) +#define IS_OPEN_DOOR(r) (((r)->attribute & OPEN_DOOR_PLANE) != 0) +#define IS_CLOSED_DOOR(r) ((IS_DOOR(R)) && (!IS_OPEN_DOOR(r))) +#define IS_MOVING_DOOR(r) (((r)->attribute & MOVING_DOOR_PLANE) != 0) +#define IS_PASSABLE(r) IS_OPEN_DOOR(r) + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +typedef uint8_t attrib_t; /* Max attributes = 8 */ + +struct trv_rect_data_s +{ + trv_coord_t plane; /* defines the plane that the rect lies in */ + trv_coord_t hstart; /* defines the starting "horizontal" position */ + trv_coord_t hend; /* defines the ending "horizontal" position */ + trv_coord_t vstart; /* defines the starting "vertical" position */ + trv_coord_t vend; /* defines the ending "vertical" position */ + attrib_t attribute; /* bit-encoded attributes of the plane */ + uint8_t texture; /* defines the texture that should be applied */ + uint8_t scale; /* defines the scaling of the texture */ +}; +#define RESIZEOF_TRVRECTDATA_T 13 + +struct trv_rect_list_s +{ + struct trv_rect_list_s *flink; /* points at next rectangle in a list */ + struct trv_rect_list_s *blink; /* points at previous rectangle in a list */ + struct trv_rect_data_s d; /* the data which defines the rectangle */ +}; + +struct trv_rect_head_s +{ + struct trv_rect_list_s *head; /* points to the start of the list */ + struct trv_rect_list_s *tail; /* points to the end of the list */ +}; + +struct trv_planefile_header_s +{ + uint16_t nxrects; + uint16_t nyrects; + uint16_t nzrects; +}; +#define SIZEOF_TRVPLANEFILEHEADER_T 6 + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_PLANE_H */ |