| 1 | /* |
| 2 | * Elite - The New Kind. |
| 3 | * |
| 4 | * Reverse engineered from the BBC disk version of Elite. |
| 5 | * Additional material by C.J.Pinder. |
| 6 | * |
| 7 | * The original Elite code is (C) I.Bell & D.Braben 1984. |
| 8 | * This version re-engineered in C by C.J.Pinder 1999-2001. |
| 9 | * |
| 10 | * email: <christian@newkind.co.uk> |
| 11 | * |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | /* |
| 16 | * intro.c |
| 17 | * |
| 18 | * Run the two intro screens. |
| 19 | * First is a rolling Cobra MkIII. |
| 20 | * Second is a parade of the various ships. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | |
| 25 | #include <stdlib.h> |
| 26 | |
| 27 | #include "config.h" |
| 28 | #include "elite.h" |
| 29 | #include "gfx.h" |
| 30 | #include "keyboard.h" |
| 31 | #include "vector.h" |
| 32 | #include "shipdata.h" |
| 33 | #include "shipface.h" |
| 34 | #include "threed.h" |
| 35 | #include "space.h" |
| 36 | #include "stars.h" |
| 37 | |
| 38 | static int ship_no; |
| 39 | static int show_time; |
| 40 | static int direction; |
| 41 | |
| 42 | |
| 43 | static int min_dist[NO_OF_SHIPS+1] = {0, 200, 800, 200, 200, 200, 300, 384, 200, |
| 44 | 200, 200, 420, 900, 500, 800, 384, 384, |
| 45 | 384, 384, 384, 200, 384, 384, 384, 0, |
| 46 | 384, 0, 384, 384, 700, 384, 0, 0, |
| 47 | 900}; |
| 48 | |
| 49 | |
| 50 | static Matrix intro_ship_matrix; |
| 51 | |
| 52 | static int ship_bump; |
| 53 | |
| 54 | void initialise_intro1 (void) |
| 55 | { |
| 56 | clear_universe(); |
| 57 | set_init_matrix (intro_ship_matrix); |
| 58 | add_new_ship (SHIP_COBRA3, 0, 0, 4500, intro_ship_matrix, -127, -127); |
| 59 | } |
| 60 | |
| 61 | |
| 62 | void initialise_intro2 (void) |
| 63 | { |
| 64 | ship_no = 0; |
| 65 | show_time = 0; |
| 66 | direction = 100; |
| 67 | ship_bump = +1; |
| 68 | |
| 69 | clear_universe(); |
| 70 | create_new_stars(); |
| 71 | set_init_matrix (intro_ship_matrix); |
| 72 | add_new_ship (1, 0, 0, 5000, intro_ship_matrix, -127, -127); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | |
| 77 | void update_intro1 (void) |
| 78 | { |
| 79 | universe[0].location.z -= 100; |
| 80 | |
| 81 | if (universe[0].location.z < 384) |
| 82 | universe[0].location.z = 384; |
| 83 | |
| 84 | gfx_clear_display(); |
| 85 | |
| 86 | flight_roll = 1; |
| 87 | update_universe(); |
| 88 | |
| 89 | gfx_draw_sprite(IMG_ELITE_TXT, -1, 10); |
| 90 | |
| 91 | gfx_display_centre_text (310, "Original Game (C) I.Bell & D.Braben.", 120, GFX_COL_WHITE); |
| 92 | gfx_display_centre_text (330, "Re-engineered by C.J.Pinder.", 120, GFX_COL_WHITE); |
| 93 | gfx_display_centre_text (360, "Load New Commander (Y/N)?", 140, GFX_COL_GOLD); |
| 94 | } |
| 95 | |
| 96 | static void next_ship(int bump) |
| 97 | { |
| 98 | do |
| 99 | { |
| 100 | ship_no += bump; |
| 101 | if (ship_no > NO_OF_SHIPS) |
| 102 | ship_no = 1; |
| 103 | if (ship_no < 1) |
| 104 | ship_no = NO_OF_SHIPS; |
| 105 | } while (min_dist[ship_no] == 0); |
| 106 | |
| 107 | show_time = 0; |
| 108 | direction = -100; |
| 109 | |
| 110 | ship_count[universe[0].type] = 0; |
| 111 | universe[0].type = 0; |
| 112 | |
| 113 | add_new_ship (ship_no, 0, 0, 4500, intro_ship_matrix, -127, |
| 114 | -127); |
| 115 | ship_bump = +1; |
| 116 | } |
| 117 | |
| 118 | void update_intro2 (void) |
| 119 | { |
| 120 | show_time++; |
| 121 | |
| 122 | if (direction < 0) { |
| 123 | if (kbd_left_pressed == 1) { |
| 124 | ship_bump = -1; |
| 125 | direction = -direction; |
| 126 | } else if (kbd_right_pressed == 1) { |
| 127 | ship_bump = +1; |
| 128 | direction = -direction; |
| 129 | } else if (show_time >= 140) |
| 130 | direction = -direction; |
| 131 | } |
| 132 | |
| 133 | universe[0].location.z += direction; |
| 134 | |
| 135 | if (universe[0].location.z < min_dist[ship_no]) |
| 136 | universe[0].location.z = min_dist[ship_no]; |
| 137 | |
| 138 | if (universe[0].location.z > 4500) |
| 139 | next_ship(ship_bump); |
| 140 | |
| 141 | |
| 142 | gfx_clear_display(); |
| 143 | update_starfield(); |
| 144 | update_universe(); |
| 145 | |
| 146 | gfx_draw_sprite (IMG_ELITE_TXT, -1, 10); |
| 147 | |
| 148 | gfx_display_centre_text (360, "Press Fire or Space, Commander.", 140, GFX_COL_GOLD); |
| 149 | gfx_display_centre_text (330, ship_list[ship_no]->name, 120, GFX_COL_WHITE); |
| 150 | } |
| 151 | |