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0
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1 #include "wrapper.h"
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2
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3 /*****/
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4
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5 char txr_wsygn[16*16]={ /* syaani/sininen. hieno. parempi keltapunas„vyiss„? */
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6 0x11,0x19,0x97,0x97,0x97,0x11,0x11,0x11,0x79,0x97,0x97,0x97,0x11,0x11,0x11,0x11,
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7 0x11,0x79,0x97,0x97,0x97,0x79,0x19,0x11,0x79,0x97,0x97,0x97,0x11,0x19,0x11,0x11,
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8 0x11,0x11,0x91,0x97,0x97,0x97,0x19,0x11,0x19,0x97,0x97,0x97,0x79,0x19,0x11,0x11,
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9 0x11,0x19,0x79,0x97,0x97,0x97,0x19,0x11,0x11,0x91,0x97,0x97,0x97,0x19,0x11,0x11,
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10 0x11,0x91,0x97,0x97,0x97,0x91,0x11,0x11,0x19,0x79,0x97,0x97,0x97,0x79,0x11,0x11,
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11 0x11,0x19,0x97,0x77,0x97,0x11,0x11,0x11,0x19,0x97,0x97,0x97,0x91,0x19,0x11,0x11,
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12 0x11,0x79,0x97,0x97,0x97,0x97,0x79,0x19,0x11,0x97,0x97,0x97,0x79,0x19,0x11,0x11,
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13 0x11,0x11,0x91,0x97,0x77,0x97,0x19,0x11,0x11,0x91,0x97,0x97,0x97,0x79,0x10,0x10,
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14 0x11,0x11,0x11,0x97,0x77,0x97,0x19,0x11,0x11,0x11,0x97,0x77,0x97,0x11,0x11,0x10,
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15 0x11,0x19,0x79,0x97,0x97,0x97,0x19,0x11,0x19,0x79,0x97,0x97,0x97,0x19,0x11,0x10,
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16 0x11,0x19,0x97,0x97,0x97,0x91,0x11,0x11,0x19,0x97,0x97,0x97,0x91,0x19,0x11,0x10,
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17 0x11,0x19,0x97,0x77,0x97,0x11,0x11,0x11,0x11,0x97,0x77,0x97,0x79,0x19,0x11,0x11,
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18 0x11,0x79,0x97,0x97,0x97,0x79,0x19,0x11,0x10,0x97,0x97,0x97,0x97,0x19,0x11,0x11,
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19 0x11,0x11,0x91,0x97,0x97,0x97,0x19,0x11,0x19,0x79,0x97,0x97,0x97,0x11,0x11,0x11,
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20 0x11,0x19,0x79,0x97,0x97,0x97,0x19,0x11,0x19,0x97,0x97,0x97,0x91,0x19,0x11,0x11,
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21 0x11,0x79,0x97,0x97,0x97,0x79,0x19,0x11,0x79,0x97,0x97,0x97,0x79,0x19,0x11,0x10
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22 };
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23
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24
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25 char txr_dunneon[16*16]={ /* neonjuovia. k„ytett„v„. */
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26 0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,
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27 0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,
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28 0x80,0x80,0x08,0x00,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,
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29 0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x00,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,
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30 0x80,0x80,0x80,0x08,0x80,0x80,0x08,0x00,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x80,
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31 0x80,0x80,0x80,0x08,0x80,0x80,0x08,0x00,0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x80,
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32 0x80,0x80,0x08,0x00,0x80,0x80,0x08,0x00,0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x80,
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33 0x80,0x80,0x08,0x00,0x80,0x80,0x08,0x08,0x80,0x80,0x80,0x08,0x08,0x80,0x80,0x80,
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34 0x80,0x80,0x08,0x00,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,
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35 0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,
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36 0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x80,
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37 0x80,0x80,0x08,0x00,0x08,0x80,0x80,0x08,0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x80,
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38 0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x08,0x80,0x80,0x08,0x00,0x08,0x80,0x80,0x80,
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39 0x80,0x80,0x08,0x00,0x80,0x80,0x80,0x08,0x80,0x80,0x08,0x08,0x08,0x80,0x80,0x80,
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40 0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x00,0x08,0x80,0x80,0x80,
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41 0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x08,0x80,0x80,0x80,0x80
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42 };
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43
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44 char txr_unneon[16*16]={
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45 0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,
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46 0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,
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47 0x78,0x78,0x07,0x00,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,
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48 0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x00,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,
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49 0x78,0x78,0x78,0x07,0x78,0x78,0x07,0x00,0x78,0x78,0x78,0x00,0x78,0x78,0x78,0x78,
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50 0x78,0x78,0x78,0x07,0x78,0x78,0x07,0x00,0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x78,
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51 0x78,0x78,0x07,0x00,0x78,0x78,0x07,0x00,0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x78,
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52 0x78,0x78,0x07,0x00,0x78,0x78,0x07,0x07,0x78,0x78,0x78,0x07,0x07,0x78,0x78,0x78,
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53 0x78,0x78,0x07,0x00,0x78,0x78,0x78,0x00,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,
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54 0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,
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55 0x78,0x78,0x78,0x00,0x78,0x78,0x78,0x00,0x78,0x78,0x78,0x00,0x78,0x78,0x78,0x78,
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56 0x78,0x78,0x07,0x00,0x07,0x78,0x78,0x07,0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x78,
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57 0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x07,0x78,0x78,0x07,0x00,0x07,0x78,0x78,0x78,
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58 0x78,0x78,0x07,0x00,0x78,0x78,0x78,0x07,0x78,0x78,0x07,0x07,0x07,0x78,0x78,0x78,
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59 0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x00,0x07,0x78,0x78,0x78,
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60 0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78,0x78,0x78,0x78,0x07,0x78,0x78,0x78,0x78
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61 };
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62
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63 char txr_neon[16*16]={
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64 0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,
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65 0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x40,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,
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66 0x00,0x00,0x04,0x5c,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,
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67 0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x5c,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,
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68 0x00,0x00,0x00,0x40,0x00,0x00,0x04,0x5c,0x00,0x00,0x00,0x5c,0x00,0x00,0x00,0x00,
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69 0x00,0x00,0x00,0x40,0x00,0x00,0x04,0x5c,0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x00,
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70 0x00,0x00,0x04,0x5c,0x00,0x00,0x04,0x5c,0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x00,
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71 0x00,0x00,0x04,0x5c,0x00,0x00,0x04,0x40,0x00,0x00,0x00,0x40,0x04,0x00,0x00,0x00,
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72 0x00,0x00,0x04,0x5c,0x00,0x00,0x00,0x5c,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,
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73 0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,
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74 0x00,0x00,0x00,0x5c,0x00,0x00,0x00,0x5c,0x00,0x00,0x00,0x5c,0x00,0x00,0x00,0x00,
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75 0x00,0x00,0x04,0x5c,0x04,0x00,0x00,0x40,0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x00,
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76 0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x40,0x00,0x00,0x04,0x5c,0x04,0x00,0x00,0x00,
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77 0x00,0x00,0x04,0x5c,0x00,0x00,0x00,0x04,0x00,0x00,0x04,0x40,0x04,0x00,0x00,0x00,
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78 0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x5c,0x04,0x00,0x00,0x00,
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79 0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x00
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80 };
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81
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82 char txr_gslime[16*16]={
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83 0x88,0x80,0x00,0x80,0x80,0x88,0x88,0x88,0x80,0x08,0x00,0x00,0x08,0x88,0x80,0x00,
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84 0x80,0x08,0x00,0x08,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x80,0x88,0x80,0x08,0x00,
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85 0x08,0x00,0x00,0x00,0x08,0x08,0x80,0x00,0x00,0x00,0x08,0x80,0x80,0x00,0x00,0x88,
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86 0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x80,0x00,0x08,0x88,0x80,
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87 0x00,0x08,0x80,0x08,0x00,0x00,0x08,0x88,0x88,0x88,0x00,0x80,0x00,0x08,0x80,0x00,
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88 0x08,0x80,0x80,0x08,0x00,0x08,0x80,0x88,0x88,0x88,0x08,0x80,0x00,0x00,0x00,0x08,
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89 0x88,0x88,0x88,0x80,0x00,0x08,0x80,0x88,0x88,0x88,0x80,0x80,0x00,0x00,0x08,0x80,
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90 0x88,0x88,0x80,0x80,0x00,0x00,0x08,0x80,0x80,0x08,0x00,0x00,0x00,0x80,0x88,0x88,
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91 0x88,0x88,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x08,0x08,0x88,0x88,
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92 0x80,0x80,0x00,0x00,0x08,0x08,0x00,0x00,0x08,0x80,0x80,0x80,0x80,0x80,0x08,0x88,
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93 0x08,0x00,0x08,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x08,0x08,0x80,0x80,0x08,0x88,
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94 0x80,0x80,0x80,0x80,0x08,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x80,
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95 0x88,0x88,0x88,0x88,0x88,0x80,0x80,0x80,0x08,0x08,0x00,0x00,0x08,0x08,0x00,0x80,
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96 0x88,0x88,0x88,0x88,0x88,0x80,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,
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97 0x88,0x88,0x88,0x08,0x00,0x00,0x00,0x00,0x08,0x08,0x08,0x00,0x00,0x80,0x80,0x00,
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98 0x88,0x08,0x00,0x00,0x00,0x00,0x08,0x08,0x80,0x80,0x80,0x08,0x00,0x88,0x80,0x80
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99 };
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100
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101 char txr_slime[16*16]={ /* vihre„ laikukas. hienokiva. */
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102 0x22,0x20,0x00,0x20,0x20,0x22,0x22,0x22,0x20,0x02,0x00,0x00,0x02,0x22,0x20,0x00,
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103 0x20,0x02,0x00,0x02,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x20,0x22,0x20,0x02,0x00,
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104 0x02,0x00,0x00,0x00,0x02,0x02,0x20,0x00,0x00,0x00,0x02,0x20,0x20,0x00,0x00,0x22,
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105 0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x20,0x00,0x02,0x22,0x20,
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106 0x00,0x02,0x20,0x02,0x00,0x00,0x02,0x22,0x22,0x22,0x00,0x20,0x00,0x02,0x20,0x00,
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107 0x02,0x20,0x20,0x02,0x00,0x02,0x20,0x22,0x22,0x22,0x02,0x20,0x00,0x00,0x00,0x02,
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108 0x22,0x22,0x22,0x20,0x00,0x02,0x20,0x22,0x22,0x22,0x20,0x20,0x00,0x00,0x02,0x20,
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109 0x22,0x22,0x20,0x20,0x00,0x00,0x02,0x20,0x20,0x02,0x00,0x00,0x00,0x20,0x22,0x22,
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110 0x22,0x22,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x02,0x02,0x22,0x22,
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111 0x20,0x20,0x00,0x00,0x02,0x02,0x00,0x00,0x02,0x20,0x20,0x20,0x20,0x20,0x02,0x22,
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112 0x02,0x00,0x02,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x02,0x02,0x20,0x20,0x02,0x22,
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113 0x20,0x20,0x20,0x20,0x02,0x00,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x20,
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114 0x22,0x22,0x22,0x22,0x22,0x20,0x20,0x20,0x02,0x02,0x00,0x00,0x02,0x02,0x00,0x20,
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115 0x22,0x22,0x22,0x22,0x22,0x20,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,
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116 0x22,0x22,0x22,0x02,0x00,0x00,0x00,0x00,0x02,0x02,0x02,0x00,0x00,0x20,0x20,0x00,
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117 0x22,0x02,0x00,0x00,0x00,0x00,0x02,0x02,0x20,0x20,0x20,0x02,0x00,0x22,0x20,0x20
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118 };
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119
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120 typedef struct{signed int x,z,y;}xyz;
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121 typedef struct{signed int a,r,y;}cyl;
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122 typedef struct{int p[3]; int nn; char*txrf,*txrb;}face;
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123
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124 typedef struct{
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125
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126 int numvxes;
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127 cyl*vxes;
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128 xyz*rotated;
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129
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130 int numfaces;
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131 face*faces;
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132
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133 }obj3d;
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134
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135 #define sint signed int
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136
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137 /** XWING **/
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138
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139 /*
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140 xyz cube_vxes[]={
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141 -6000,-1000,2000,
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142 -6000,-1000,-2000,
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143 6000,-1000,2000,
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144 6000,-1000,-2000,
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145
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|
146 -1500,2000,0,
|
|
|
147 -1500,-1000,0,
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|
|
148 1500,2000,0,
|
|
|
149 1500,-100,0,
|
|
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150
|
|
|
151 0,2500,0,
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152
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|
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153 0,1000,-1500
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154 };
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155
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|
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156 face cube_faces[]={
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157 0,4,5, 0, txr_wsygn,txr_dunneon,
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158 1,5,4, 0, txr_wsygn,txr_dunneon,
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159 2,7,6, 0, txr_wsygn,txr_dunneon,
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160 3,6,7, 0, txr_wsygn,txr_dunneon,
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161
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|
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162 9,8,4, 0, txr_wsygn,NULL,
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|
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163 9,7,8, 0, txr_wsygn,NULL,
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|
|
164 9,4,5, 0, txr_unneon,NULL,
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|
165 9,7,6, 0, txr_unneon,NULL,
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|
166 9,5,6, 0, txr_unneon,NULL
|
|
|
167 };
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|
|
168 */
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|
|
169
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|
|
170 /********/
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|
|
171 /********/
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|
172
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|
|
173 cyl xwing_vxes[]={
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|
|
174 134,6082,1000,
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175 134,6082,-1000,
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|
|
176 250,6082,1000,
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|
177 250,6082,-1000,
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|
178 91,3000,0, /* 2500 */
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|
179 151,1802,0,
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|
180 37,3000,0, /* 2500 */
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|
181 254,1503,0,
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|
182 64,2500,0,
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|
|
183 64,1000,-750
|
|
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184 };
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|
|
185
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|
|
186 face xwing_faces[]={
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|
187 4,5,0, 0, txr_wsygn,txr_dunneon,
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188 1,5,4, 0, txr_wsygn,txr_dunneon,
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189 7,6,2, 0, txr_wsygn,txr_dunneon,
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190 3,6,7, 0, txr_wsygn,txr_dunneon,
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191
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|
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192 9,8,4, 0, txr_wsygn,NULL,
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193 9,7,8, 0, txr_wsygn,NULL,
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|
194 9,4,5, 0, txr_unneon,NULL,
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|
195 9,7,6, 0, txr_unneon,NULL,
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|
196 9,5,6, 0, txr_unneon,NULL
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|
|
197 };
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|
198
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|
|
199 obj3d xwing={
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|
200 10,xwing_vxes,NULL,9,xwing_faces
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|
|
201 };
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|
|
202
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|
|
203 cyl bugi_vxes[]={
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|
204 96,2828,0,
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205 32,2828,0,
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|
206 224,2828,0,
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|
|
207 160,2828,0,
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|
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208 0,0,-800,
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|
|
209 45,6708,1000,
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|
|
210 238,6708,1000,
|
|
|
211 173,6708,1000,
|
|
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212 110,6708,1000
|
|
|
213 };
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|
|
214
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|
|
215 face bugi_faces[]={
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216 4,1,0, 0, txr_slime,NULL,
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|
|
217 4,2,1, 0, txr_slime,NULL,
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|
218 4,3,2, 0, txr_slime,NULL,
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|
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219 4,0,3, 0, txr_slime,NULL,
|
|
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220
|
|
|
221 0,1,5, 0, txr_slime,txr_gslime,
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|
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222 1,2,6, 0, txr_slime,txr_gslime,
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|
|
223 2,3,7, 0, txr_slime,txr_gslime,
|
|
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224 3,0,8, 0, txr_slime,txr_gslime
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|
|
225 };
|
|
|
226
|
|
|
227 obj3d bugi={
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|
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228 9,bugi_vxes,NULL,8,bugi_faces
|
|
|
229 };
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|
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230
|
|
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231 obj3d obu;
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232
|
|
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233 #include "sini16.h"
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234
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235 sint dvhtab[50];
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236 sint dutab[320];
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237
|
|
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238 eggine_init()
|
|
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239 {
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|
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240 int i;
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|
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241 dvhtab[0]=32760;
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|
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242 for(i=1;i<50;i++)dvhtab[i]=4096/i;
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|
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243 dutab[0]=32760;
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|
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244 for(i=1;i<320;i++)dutab[i]=(64*256)/i;
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|
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245 }
|
|
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246
|
|
|
247 eggine_load(sint n)
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|
|
248 {
|
|
|
249 obj3d*o;
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|
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250 if(!n)o=&xwing;else o=&bugi;
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|
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251
|
|
|
252 if(o->rotated==NULL)
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|
|
253 o->rotated=malloc(o->numvxes*sizeof(xyz));
|
|
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254
|
|
|
255 memcpy(&obu,o,sizeof(obu));
|
|
|
256 }
|
|
|
257
|
|
|
258 extern int polytxloop
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|
|
259 (sint h,char*di,unsigned int x1,sint dx0,sint dx1,char*txr,
|
|
|
260 sint dv,sint du);
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|
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261
|
|
|
262 sint polytxr(
|
|
|
263 char*buf,
|
|
|
264 sint y,sint h,sint x0,sint x1,sint dx0,sint dx1,
|
|
|
265 char*txr){
|
|
|
266
|
|
|
267 register sint du; char joo=0;
|
|
|
268
|
|
|
269 if(y+h>=50)h=49-y;
|
|
|
270 if(h>0)if(y>=0){
|
|
|
271
|
|
|
272 if((x0>x1)||((x0==x1)&&(dx0>dx1)))
|
|
|
273 {sint tmp=x0;x0=x1;x1=tmp;
|
|
|
274 tmp=dx0;dx0=dx1;dx1=tmp;
|
|
|
275 joo=1;}
|
|
|
276 x1-=x0;dx1-=dx0;
|
|
|
277
|
|
|
278 du=x1>>6;
|
|
|
279 if(!du)du=((dx1-dx0)*h) >>6; /* dx1-dx0?? */
|
|
|
280 if(du)du=(64*256)/du;/*dutab[du];*/
|
|
|
281
|
|
|
282 x1=polytxloop(h,buf+80*y+(x0>>8),
|
|
|
283 x1,
|
|
|
284 dx0,
|
|
|
285 dx1,
|
|
|
286 txr,
|
|
|
287 dvhtab[h],
|
|
|
288 du);
|
|
|
289
|
|
|
290 return (!joo)?x0+x1+h*dx0:x1;
|
|
|
291 }
|
|
|
292 }
|
|
|
293
|
|
|
294 /*******************************/
|
|
|
295
|
|
|
296 eggine_do(char*b,sint rot,int zoom,int basex,int basey) {
|
|
|
297 register sint i; sint j; sint fzed[20],fcez[20];
|
|
|
298
|
|
|
299 if(obu.faces==bugi_faces){
|
|
|
300 bugi_vxes[5].y=bugi_vxes[6].y=
|
|
75
|
301 1000+mul32(700,sini16[(pwplib_timer()*13)&255]);
|
|
0
|
302 bugi_vxes[7].y=bugi_vxes[8].y=
|
|
75
|
303 1000+mul32(700,sini16[(pwplib_timer()*7)&255]);
|
|
0
|
304 }
|
|
|
305
|
|
|
306 /***** rotate vertices *****/
|
|
|
307
|
|
|
308 {cyl*v=obu.vxes;xyz*r=obu.rotated;
|
|
|
309
|
|
|
310 for(i=obu.numvxes;i;i--) {
|
|
|
311 r->y=mul32(v->y,zoom)+basey;
|
|
|
312 r->x=mul32(mul32(v->r,sini16[(rot+v->a)&255]),zoom)+basex;
|
|
|
313 r->z=mul32(mul32(v->r,sini16[(rot+v->a+64)&255]),zoom);
|
|
|
314 r++;v++;
|
|
|
315 }}
|
|
|
316
|
|
|
317 /***** calc facezeds, sort faces *****/
|
|
|
318
|
|
|
319 {sint *t=fzed;face*f=obu.faces; for(i=obu.numfaces;i;i--){
|
|
|
320 *t++=obu.rotated[f->p[0]].z+ obu.rotated[f->p[1]].z+
|
|
|
321 obu.rotated[f->p[2]].z; f++;
|
|
|
322 }}
|
|
|
323
|
|
|
324 {sint *t=fcez;sint j=0; for(i=obu.numfaces;i;i--)*t++=j++; }
|
|
|
325
|
|
|
326 /* stupid bubblesort */
|
|
|
327
|
|
|
328 for(i=0;i<obu.numfaces-1;i++){ sint min=fzed[i],where=i;
|
|
|
329 for(j=i+1;j<obu.numfaces;j++){
|
|
|
330 if(fzed[j]<min){min=fzed[j];where=j;} }
|
|
|
331
|
|
|
332 {sint tmp=fzed[i];fzed[i]=fzed[where];fzed[where]=tmp;} {sint
|
|
|
333 tmp=fcez[i];fcez[i]=fcez[where];fcez[where]=tmp;}
|
|
|
334 }
|
|
|
335
|
|
|
336 /***** draw faces *****/
|
|
|
337
|
|
|
338 {sint*fc=fcez; for(i=obu.numfaces;i;i--) {
|
|
|
339 face*f=&obu.faces[*fc++];
|
|
|
340
|
|
|
341 { sint x0,x1,x2,y0,y1,y2,nz; char*txr;
|
|
|
342
|
|
|
343 /***************************************/
|
|
|
344
|
|
|
345 {xyz*tmp=obu.rotated;
|
|
|
346 x0=tmp[f->p[0]].x<<3;
|
|
|
347 y0=tmp[f->p[0]].y>>5;
|
|
|
348 x1=tmp[f->p[1]].x<<3;
|
|
|
349 y1=tmp[f->p[1]].y>>5;
|
|
|
350 x2=tmp[f->p[2]].x<<3;
|
|
|
351 y2=tmp[f->p[2]].y>>5;
|
|
|
352 }
|
|
|
353
|
|
|
354 nz=((x1-x0)>>8)*(y2-y0)-((x2-x0)>>8)*(y1-y0);
|
|
|
355 if(nz<0)txr=f->txrf;else txr=f->txrb;
|
|
|
356 if(txr!=NULL)
|
|
|
357 {
|
|
|
358
|
|
|
359 if(y0!=y2){
|
|
|
360
|
|
|
361 sint tmpk,tmpx2;
|
|
|
362
|
|
|
363 if (y0!=y1)
|
|
|
364 tmpx2=polytxr(b,y0,y1-y0,x0,x0,
|
|
|
365 (x1-x0)/(y1-y0),
|
|
|
366 tmpk=(x2-x0)/(y2-y0), txr);
|
|
|
367 else {tmpk=(x2-x0)/(y2-y0);tmpx2=x0;}
|
|
|
368
|
|
|
369 if (y1!=y2)
|
|
|
370 polytxr(b,y1,y2-y1,x1,tmpx2,
|
|
|
371 (x2-x1)/(y2-y1),
|
|
|
372 tmpk, txr);
|
|
|
373 }
|
|
|
374 }
|
|
|
375 /***************************************/
|
|
|
376 }
|
|
|
377
|
|
|
378 }}/* end drawfaces*/
|
|
|
379 }
|
