138 lines
4.4 KiB
C
138 lines
4.4 KiB
C
/****************************************************************************
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* apps/graphics/traveler/tools/libwld/wld_bitmaps.h
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* This file contains definitions for the texture bitmaps
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_GRAPHICS_TRAVELER_TOOSL_LIBWLD_WLD_BITMAPS_H
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#define __APPS_GRAPHICS_TRAVELER_TOOSL_LIBWLD_WLD_BITMAPS_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/*************************************************************************
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* Included Files
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*************************************************************************/
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#include <stdio.h>
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/*************************************************************************
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* Pre-processor Definitions
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*************************************************************************/
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/* Return codes */
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enum
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{
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BMAP_SUCCESS = 0,
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BMAP_TOO_MANY = 20,
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BMAP_BML_OPEN_ERROR,
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BMAP_BML_READ_ERROR
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};
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#define BITMAP_WIDTH 64
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#define BITMAP_HEIGHT 64
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#define BITMAP_LOG2H 6
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#define BITMAP_SIZE (BITMAP_WIDTH * BITMAP_HEIGHT)
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#define BITMAP_IMASK (BITMAP_HEIGHT-1)
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#define BITMAP_JMASK (BITMAP_WIDTH-1)
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#define BITMAP_JSHIFT 6
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#define BMICLIP(i) ((i) & BITMAP_IMASK)
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#define BMJCLIP(i) ((i) & BITMAP_JMASK)
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#define BMOFFSET(i,j) (((i) << BITMAP_JSHIFT) | (j))
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#define MAX_BITMAPS 256
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/*************************************************************************
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* Public Type Definitions
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*************************************************************************/
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struct wld_bitmap_s
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{
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uint16_t w;
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uint16_t h;
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uint8_t log2h;
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trv_pixel_t *bm;
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};
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typedef struct wld_bitmap_s wld_bitmap_t;
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/*************************************************************************
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* Global Variables
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*************************************************************************/
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/* These point to the (allocated) bit map buffers for the even and odd
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* bitmaps
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*/
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extern wld_bitmap_t *g_even_bitmaps[MAX_BITMAPS];
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#ifndef WEDIT
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extern wld_bitmap_t *g_odd_bitmaps[MAX_BITMAPS];
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#endif
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/* This is the palette to use for the selected world */
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#if MSWINDOWS
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extern color_rgb_t worldPalette[256];
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#endif
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/* This is the maximum value + 1 of a texture code */
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extern uint16_t g_nbitmaps;
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/* These are the colors from the worldPalette which should used to rend
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* the sky and ground
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*/
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extern uint8_t g_sky_color;
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extern uint8_t g_ground_color;
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/*************************************************************************
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* Global Function Prototypes
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*************************************************************************/
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uint8_t wld_initialize_bitmaps(void);
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void wld_discard_bitmaps(void);
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uint8_t wld_load_bitmapfile(char *bmlfile);
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void wld_free_texture(wld_bitmap_t *t);
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wld_bitmap_t *wld_read_texturefile(char *filename);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __APPS_GRAPHICS_TRAVELER_TOOSL_LIBWLD_WLD_BITMAPS_H */
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