Mercurial > repos > genjam1
annotate src/main.c @ 14:5c7f33441e43
Creeps now move towards the goal
author | Mike Pavone <pavone@retrodev.com> |
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date | Sun, 12 Jan 2014 18:16:51 -0800 |
parents | d118fe8fb1db |
children | f71eb24b3896 |
rev | line source |
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Movec creep.h into the src folder. Added main loop
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1 #include <genesis.h> |
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2 #include "creep.h" |
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3 |
10 | 4 const u32 cursor_tiles[4*8] = { |
5 0x21100000, // top left | |
6 0x10000000, | |
7 0x10000000, | |
8 0x00000000, | |
9 0x00000000, | |
10 0x00000000, | |
11 0x00000000, | |
12 0x00000000, | |
13 | |
14 0x00000000, // bottom left | |
15 0x00000000, | |
16 0x00000000, | |
17 0x00000000, | |
18 0x00000000, | |
19 0x10000000, | |
20 0x10000000, | |
21 0x21100000, | |
22 | |
23 0x00000112, // top right | |
24 0x00000001, | |
25 0x00000001, | |
26 0x00000000, | |
27 0x00000000, | |
28 0x00000000, | |
29 0x00000000, | |
30 0x00000000, | |
31 | |
32 0x00000000, // bottom right | |
33 0x00000000, | |
34 0x00000000, | |
35 0x00000000, | |
36 0x00000000, | |
37 0x00000001, | |
38 0x00000001, | |
39 0x00000112, | |
40 | |
41 }; | |
42 | |
4
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43 u16 tilemap[40*28]; |
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44 u16 countdown; |
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45 |
10 | 46 int cursor_x = 0; |
47 int cursor_y = 0; | |
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48 const int cursor_size_px = 2 * 8; // two tiles of 8 pixels each |
10 | 49 |
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50 void joy_event_handler(u16 joy, u16 changed, u16 state) { |
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51 u16 went_down = changed & state; |
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52 if (went_down & BUTTON_UP) { |
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53 cursor_y -= cursor_size_px; |
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54 } |
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55 if (went_down & BUTTON_DOWN) { |
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56 cursor_y += cursor_size_px; |
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57 } |
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58 if (went_down & BUTTON_LEFT) { |
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59 cursor_x -= cursor_size_px; |
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60 } |
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61 if (went_down & BUTTON_RIGHT) { |
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62 cursor_x += cursor_size_px; |
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63 } |
10 | 64 } |
65 | |
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66 int main(void) |
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67 { |
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68 JOY_init(); |
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69 JOY_setEventHandler(&joy_event_handler); |
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70 |
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71 u8 cursor_tile_index = 1; |
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72 VDP_loadTileData((const u32 *)cursor_tiles, cursor_tile_index, 4, 0); |
10 | 73 |
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74 u16 i; |
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75 VDP_setPlanSize(64, 32); |
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76 for (i = 6; i < 40*28; i += 4) |
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77 if ((i > 80 || i & 4) && (i < 40*26 || !(i & 4)) && i % 40 < 38) |
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78 { |
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79 tilemap[i] = 'O' + TILE_FONTINDEX; |
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80 tilemap[i+1] = 'O' + TILE_FONTINDEX; |
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81 } |
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82 |
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83 tilemap[38 + 14*40] = TILE_ATTR_FULL(1, 0, 0, 0, 'G' + TILE_FONTINDEX); |
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84 tilemap[39 + 14*40] = TILE_ATTR_FULL(1, 0, 0, 0, 'G' + TILE_FONTINDEX); |
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85 tilemap[38 + 15*40] = TILE_ATTR_FULL(1, 0, 0, 0, 'G' + TILE_FONTINDEX); |
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86 tilemap[39 + 15*40] = TILE_ATTR_FULL(1, 0, 0, 0, 'G' + TILE_FONTINDEX); |
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87 gen_distances(38, 14); |
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88 for (i = 0; i < MAX_SPRITE; i++) |
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89 { |
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90 spriteDefCache[i].posx = -0x80; |
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91 } |
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92 //print_distances(); |
2
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93 for (;;) |
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94 { |
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95 VDP_waitVSync(); |
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96 VDP_updateSprites(); |
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97 for (i = 0; i < 28; i++) |
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98 { |
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99 VDP_setTileMapRectByIndex(VDP_PLAN_B, tilemap + i*40, i*64, 40, 0); |
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100 } |
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101 VDP_setSprite(0, cursor_x, cursor_y, SPRITE_SIZE(2,2), TILE_ATTR_FULL(PAL0, 1, 0, 0, cursor_tile_index), spriteDefCache[0].link); |
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102 if (countdown) |
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103 --countdown; |
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104 else if (cur_creeps < 4) |
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105 { |
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106 spawn_creep(CREEP_NORMAL, 4, 122); |
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107 countdown = 300; |
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108 } |
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109 update_creeps(); |
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110 } |
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111 return 0; |
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112 } |