| 1 | |
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| 2 | #include <stdlib.h> |
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| 3 | |
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| 4 | #include "common.h" |
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| 5 | |
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| 6 | void collide_weapons_tunnel( game *g, weapons *wp, tunnel *t, explosions *ex ) |
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| 7 | { |
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| 8 | int i; |
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| 9 | |
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| 10 | for( i = 0; i < SHOTS; i++ ) |
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| 11 | { |
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| 12 | if( wp->y[i] >= 0 ) |
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| 13 | { |
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| 14 | if( wp->x[i] <= t->left[wp->y[i]+1] |
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| 15 | || wp->x[i] >= t->right[wp->y[i]+1] ) |
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| 16 | { |
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| 17 | add_explosion( g, ex, wp->x[i], wp->y[i]+1, 0, 1, 0 ); |
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| 18 | |
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| 19 | if( wp->x[i] <= t->left[wp->y[i]+1] ) |
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| 20 | { |
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| 21 | t->left[wp->y[i]]--; |
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| 22 | t->left[wp->y[i]+1]-=2; |
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| 23 | t->left[wp->y[i]+2]--; |
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| 24 | } |
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| 25 | else |
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| 26 | { |
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| 27 | t->right[wp->y[i]]++; |
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| 28 | t->right[wp->y[i]+1]+=2; |
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| 29 | t->right[wp->y[i]+2]++; |
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| 30 | } |
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| 31 | |
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| 32 | wp->y[i] = -1; |
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| 33 | } |
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| 34 | else if( wp->x[i] <= t->left[wp->y[i]] |
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| 35 | || wp->x[i] >= t->right[wp->y[i]] ) |
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| 36 | { |
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| 37 | add_explosion( g, ex, wp->x[i], wp->y[i], 0, 1, 0 ); |
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| 38 | |
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| 39 | if( wp->x[i] <= t->left[wp->y[i]] ) |
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| 40 | { |
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| 41 | t->left[wp->y[i]-1]--; |
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| 42 | t->left[wp->y[i]]-=2; |
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| 43 | t->left[wp->y[i]+1]--; |
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| 44 | } |
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| 45 | else |
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| 46 | { |
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| 47 | t->right[wp->y[i]-1]++; |
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| 48 | t->right[wp->y[i]]+=2; |
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| 49 | t->right[wp->y[i]+1]++; |
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| 50 | } |
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| 51 | |
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| 52 | wp->y[i] = -1; |
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| 53 | } |
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| 54 | } |
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| 55 | } |
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| 56 | } |
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| 57 | |
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| 58 | void collide_weapons_aliens( game *g, weapons *wp, aliens *al, explosions *ex ) |
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| 59 | { |
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| 60 | int i, j; |
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| 61 | |
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| 62 | for( i = 0; i < SHOTS; i++ ) |
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| 63 | { |
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| 64 | if( wp->y[i] >= 0 ) |
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| 65 | { |
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| 66 | int ok = 0; |
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| 67 | |
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| 68 | for( j = 0; j < ALIENS; j++ ) |
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| 69 | { |
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| 70 | if( wp->x[i] >= al->x[j] |
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| 71 | && wp->x[i] <= al->x[j] + 4 |
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| 72 | && wp->y[i] >= al->y[j] |
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| 73 | && wp->y[i] <= al->y[j] + 2 ) |
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| 74 | { |
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| 75 | al->life[j]--; |
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| 76 | if( al->life[j] == 0 ) |
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| 77 | { |
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| 78 | al->x[j] = -1; |
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| 79 | al->y[j] = -1; |
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| 80 | add_explosion( g, ex, wp->x[i], wp->y[i], 0, 0, 1 ); |
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| 81 | } |
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| 82 | ok = 1; |
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| 83 | } |
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| 84 | else if( wp->x[i] >= al->x[j] |
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| 85 | && wp->x[i] <= al->x[j] + 4 |
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| 86 | && wp->y[i]+1 >= al->y[j] |
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| 87 | && wp->y[i]+1 <= al->y[j] + 2 ) |
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| 88 | { |
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| 89 | al->life[j]--; |
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| 90 | if( al->life[j] == 0 ) |
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| 91 | { |
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| 92 | al->x[j] = -1; |
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| 93 | al->y[j] = -1; |
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| 94 | add_explosion( g, ex, wp->x[i], wp->y[i]+1, 0, 0, 1 ); |
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| 95 | } |
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| 96 | ok = 1; |
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| 97 | } |
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| 98 | } |
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| 99 | |
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| 100 | if( ok ) |
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| 101 | { |
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| 102 | wp->y[i] = -1; |
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| 103 | } |
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| 104 | } |
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| 105 | } |
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| 106 | } |
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| 107 | |
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| 108 | void collide_player_tunnel( game *g, player *p, tunnel *t, explosions *ex ) |
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| 109 | { |
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| 110 | if( p->x <= t->left[p->y] ) |
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| 111 | { |
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| 112 | p->x += 3; |
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| 113 | //add_explosion( g, ex, x+1, y-2, 0, 1, 0 ); |
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| 114 | } |
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| 115 | else if( p->x + 5 >= t->right[p->y] ) |
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| 116 | { |
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| 117 | p->x -= 3; |
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| 118 | //add_explosion( g, ex, x+4, y-2, 0, 1, 0 ); |
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| 119 | } |
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| 120 | } |
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| 121 | |
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