1 | /********************************************************************** <BR>
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2 | This file is part of Crack dot Com's free source code release of
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3 | Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
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4 | information about compiling & licensing issues visit this URL</a>
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5 | <PRE> If that doesn't help, contact Jonathan Clark at
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6 | golgotha_source@usa.net (Subject should have "GOLG" in it)
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7 | ***********************************************************************/
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8 |
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9 | #include "image/image.hh"
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10 | #include "tex_cache.hh"
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11 | #include "tex_id.hh"
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12 | #include "mip.hh"
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13 | #include "file/file.hh"
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14 | #include "r1_res.hh"
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15 | #include "memory/malloc.hh"
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16 |
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17 | int r1_load_gtext(w32 id, i4_image_class **images)
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18 | {
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19 | i4_file_class *fp;
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20 | tex_cache_header_t theader;
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21 | mipheader_t header;
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22 |
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23 | fp=i4_open(r1_get_cache_file());
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24 | if (!fp)
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25 | return 0;
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26 |
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27 | theader.read(fp);
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28 | delete fp;
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29 |
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30 |
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31 | i4_str *fn = r1_texture_id_to_filename(id, r1_get_decompressed_dir());
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32 | fp=i4_open(*fn);
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33 | delete fn;
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34 | if (!fp)
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35 | return 0;
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36 |
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37 | header.read(fp);
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38 |
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39 | int w=header.base_width, h=header.base_height, i;
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40 | const i4_pal *pal;
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41 |
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42 | if (header.flags & R1_MIP_IS_TRANSPARENT)
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43 | pal=i4_pal_man.register_pal(&theader.chroma_format);
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44 | else if (header.flags & R1_MIP_IS_ALPHATEXTURE)
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45 | pal=i4_pal_man.register_pal(&theader.alpha_format);
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46 | else
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47 | pal=i4_pal_man.register_pal(&theader.regular_format);
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48 |
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49 | for (i=0; i<header.num_mip_levels; i++)
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50 | {
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51 | fp->seek(header.offsets[i]+8);
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52 |
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53 | w16 *data=(w16 *)i4_malloc(w*h*2,"");
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54 | fp->read(data,w*h*2);
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55 |
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56 |
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57 | i4_image_class *im=i4_create_image(w,h, pal, (w8 *)data, w*2);
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58 | im->dont_free_data=i4_F;
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59 |
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60 | images[i]=im;
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61 | w/=2;
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62 | h/=2;
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63 | }
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64 | delete fp;
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65 |
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66 | return header.num_mip_levels;
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67 | }
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