|
Last change
on this file since 56 was
56,
checked in by Sam Hocevar, 15 years ago
|
- Add licensing terms to most C / C++ files (Ref #5).
|
|
File size:
2.2 KB
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| 1 | /* |
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| 2 | * Abuse - dark 2D side-scrolling platform game |
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| 3 | * Copyright (c) 1995 Crack dot Com |
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| 4 | * |
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| 5 | * This software was released into the Public Domain. As with most public |
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| 6 | * domain software, no warranty is made or implied by Crack dot Com or |
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| 7 | * Jonathan Clark. |
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| 8 | */ |
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| 9 | |
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| 10 | #include "config.h" |
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| 11 | |
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| 12 | #include "image.hpp" |
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| 13 | #include "specs.hpp" |
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| 14 | |
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| 15 | image *load_targa(char *filename, palette *pal) |
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| 16 | { |
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| 17 | bFILE *fp=open_file(filename,"rb"); |
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| 18 | if (!fp) |
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| 19 | return 0; |
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| 20 | |
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| 21 | if (fp->open_failure()) |
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| 22 | { |
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| 23 | delete fp; |
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| 24 | return 0; |
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| 25 | } |
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| 26 | |
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| 27 | uint8_t id,color_map,im_type; |
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| 28 | |
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| 29 | id=fp->read_uint8(); |
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| 30 | color_map=fp->read_uint8(); |
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| 31 | im_type=fp->read_uint8(); |
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| 32 | |
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| 33 | if (color_map!=0) |
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| 34 | { |
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| 35 | delete fp; |
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| 36 | return 0; |
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| 37 | } |
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| 38 | |
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| 39 | if (!(im_type==2 || im_type==10)) |
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| 40 | { |
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| 41 | delete fp; |
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| 42 | return 0; |
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| 43 | } |
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| 44 | |
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| 45 | fp->read_uint16(); |
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| 46 | fp->read_uint16(); |
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| 47 | fp->read_uint8(); |
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| 48 | |
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| 49 | fp->read_uint16(); |
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| 50 | fp->read_uint16(); |
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| 51 | |
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| 52 | |
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| 53 | int w=fp->read_uint16(); |
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| 54 | int h=fp->read_uint16(); |
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| 55 | uint8_t bpp=fp->read_uint8(); |
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| 56 | fp->read_uint8(); // im_des |
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| 57 | |
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| 58 | if (bpp!=32) |
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| 59 | { |
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| 60 | delete fp; |
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| 61 | return 0; |
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| 62 | } |
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| 63 | |
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| 64 | image *im=new image(w,h); |
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| 65 | |
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| 66 | int x,y; |
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| 67 | uint8_t ctrl; |
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| 68 | uint8_t bgra[4],*sl,c,lr=0,lg=0,lb=0,ll=0,lc=0; |
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| 69 | |
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| 70 | |
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| 71 | |
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| 72 | |
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| 73 | if (im_type==10) |
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| 74 | { |
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| 75 | for (y=0;y<h;y++) |
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| 76 | { |
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| 77 | sl=im->scan_line(h-y-1); |
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| 78 | |
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| 79 | for (x=0;x<w;) |
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| 80 | { |
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| 81 | ctrl=fp->read_uint8(); |
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| 82 | if (ctrl&0x80) |
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| 83 | { |
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| 84 | fp->read(bgra,4); |
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| 85 | ctrl&=(~0x80); |
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| 86 | ctrl++; |
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| 87 | if (bgra[3]) |
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| 88 | { |
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| 89 | if (ll && lr==bgra[2] && lg==bgra[1] && lb==bgra[0]) |
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| 90 | c=lc; |
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| 91 | else |
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| 92 | { |
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| 93 | c=pal->find_closest_non0(bgra[2],bgra[1],bgra[0]); |
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| 94 | lr=bgra[2]; |
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| 95 | lg=bgra[1]; |
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| 96 | lb=bgra[0]; |
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| 97 | lc=c; |
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| 98 | ll=1; |
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| 99 | } |
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| 100 | |
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| 101 | } |
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| 102 | else c=0; |
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| 103 | |
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| 104 | while (ctrl--) |
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| 105 | { |
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| 106 | *sl=c; |
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| 107 | sl++; |
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| 108 | x++; |
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| 109 | } |
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| 110 | } else |
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| 111 | { |
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| 112 | ctrl++; |
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| 113 | while (ctrl--) |
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| 114 | { |
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| 115 | fp->read(bgra,4); |
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| 116 | if (bgra[3]) |
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| 117 | { |
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| 118 | c=pal->find_closest_non0(bgra[2],bgra[1],bgra[0]); |
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| 119 | } |
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| 120 | else c=0; |
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| 121 | *sl=c; |
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| 122 | sl++; |
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| 123 | x++; |
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| 124 | } |
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| 125 | } |
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | |
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| 130 | |
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| 131 | |
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| 132 | delete fp; |
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| 133 | return im; |
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| 134 | } |
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