Mercurial > repos > genjam1
annotate src/main.c @ 16:a9500e8bff93
Wait to spawn creeps until player hits start. Prevent player from placing walls in such a way to completely block creeps from goal. Remove placeholder walls.
author | Mike Pavone <pavone@retrodev.com> |
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date | Sun, 12 Jan 2014 19:01:30 -0800 |
parents | f71eb24b3896 |
children | 60bb690233cf |
rev | line source |
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1 #include <genesis.h> |
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2 #include "creep.h" |
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3 |
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4 // I now realize this should be one tile that uses the flipping flags. oops. |
10 | 5 const u32 cursor_tiles[4*8] = { |
6 0x21100000, // top left | |
7 0x10000000, | |
8 0x10000000, | |
9 0x00000000, | |
10 0x00000000, | |
11 0x00000000, | |
12 0x00000000, | |
13 0x00000000, | |
14 | |
15 0x00000000, // bottom left | |
16 0x00000000, | |
17 0x00000000, | |
18 0x00000000, | |
19 0x00000000, | |
20 0x10000000, | |
21 0x10000000, | |
22 0x21100000, | |
23 | |
24 0x00000112, // top right | |
25 0x00000001, | |
26 0x00000001, | |
27 0x00000000, | |
28 0x00000000, | |
29 0x00000000, | |
30 0x00000000, | |
31 0x00000000, | |
32 | |
33 0x00000000, // bottom right | |
34 0x00000000, | |
35 0x00000000, | |
36 0x00000000, | |
37 0x00000000, | |
38 0x00000001, | |
39 0x00000001, | |
40 0x00000112, | |
41 | |
42 }; | |
43 | |
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44 #define EMPTY 0 |
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45 #define WALL 'O'-32 + TILE_FONTINDEX |
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46 #define TOWER 'T'-32 + TILE_FONTINDEX |
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47 #define GOAL 'G'-32 + TILE_FONTINDEX |
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48 |
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49 u16 tilemap[40*28]; |
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50 u16 countdown; |
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51 |
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52 int cursor_x = 0; // tiles |
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53 int cursor_y = 0; // tiles |
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54 int pixels_per_tile = 8; |
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55 const int cursor_width = 2; // tiles |
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56 |
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57 |
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58 u16 build_order[3] = { |
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59 EMPTY, |
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60 WALL, |
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61 TOWER, |
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62 }; |
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63 u8 build_order_size = 3; |
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64 u8 running = 0; |
10 | 65 |
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66 void joy_event_handler(u16 joy, u16 changed, u16 state) { |
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67 u16 went_down = changed & state; |
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68 if (went_down & BUTTON_UP) { |
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69 cursor_y -= cursor_width; |
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70 } |
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71 if (went_down & BUTTON_DOWN) { |
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72 cursor_y += cursor_width; |
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73 } |
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74 if (went_down & BUTTON_LEFT) { |
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75 cursor_x -= cursor_width; |
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76 } |
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77 if (went_down & BUTTON_RIGHT) { |
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78 cursor_x += cursor_width; |
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79 } |
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80 if (went_down & BUTTON_A && !running) { |
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81 tilemap[cursor_x + (cursor_y ) * 40] = TILE_ATTR_FULL(1, 0, 0, 0, WALL); |
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82 tilemap[cursor_x + 1 + (cursor_y ) * 40] = TILE_ATTR_FULL(1, 0, 0, 0, WALL); |
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83 tilemap[cursor_x + (cursor_y + 1) * 40] = TILE_ATTR_FULL(1, 0, 0, 0, WALL); |
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84 tilemap[cursor_x + 1 + (cursor_y + 1) * 40] = TILE_ATTR_FULL(1, 0, 0, 0, WALL); |
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85 gen_distances(38, 14); |
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86 if (distances[122/16] == 0xFFFF) |
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87 { |
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88 tilemap[cursor_x + (cursor_y ) * 40] = 0; |
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89 tilemap[cursor_x + 1 + (cursor_y ) * 40] = 0; |
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90 tilemap[cursor_x + (cursor_y + 1) * 40] = 0; |
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91 tilemap[cursor_x + 1 + (cursor_y + 1) * 40] = 0; |
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92 } |
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93 } |
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94 if (went_down & BUTTON_START) |
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95 { |
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96 running = 1; |
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97 } |
10 | 98 } |
99 | |
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100 int main(void) |
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101 { |
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102 JOY_init(); |
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103 JOY_setEventHandler(&joy_event_handler); |
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104 |
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105 u8 cursor_tile_index = 1; |
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106 VDP_loadTileData((const u32 *)cursor_tiles, cursor_tile_index, 4, 0); |
10 | 107 |
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108 u16 i; |
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109 VDP_setPlanSize(64, 32); |
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110 /*for (i = 6; i < 40*28; i += 4) |
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111 if ((i > 80 || i & 4) && (i < 40*26 || !(i & 4)) && i % 40 < 38) |
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112 { |
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113 tilemap[i] = 'O' + TILE_FONTINDEX; |
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114 tilemap[i+1] = 'O' + TILE_FONTINDEX; |
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115 } |
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116 */ |
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117 |
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118 tilemap[38 + 14*40] = TILE_ATTR_FULL(1, 0, 0, 0, GOAL); |
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119 tilemap[39 + 14*40] = TILE_ATTR_FULL(1, 0, 0, 0, GOAL); |
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120 tilemap[38 + 15*40] = TILE_ATTR_FULL(1, 0, 0, 0, GOAL); |
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121 tilemap[39 + 15*40] = TILE_ATTR_FULL(1, 0, 0, 0, GOAL); |
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122 for (i = 0; i < MAX_SPRITE; i++) |
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123 { |
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124 spriteDefCache[i].posx = -0x80; |
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125 } |
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126 gen_distances(38, 14); |
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127 //print_distances(); |
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128 for (;;) |
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129 { |
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130 VDP_waitVSync(); |
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131 VDP_updateSprites(); |
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132 for (i = 0; i < 28; i++) |
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133 { |
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134 VDP_setTileMapRectByIndex(VDP_PLAN_B, tilemap + i*40, i*64, 40, 0); |
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135 } |
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136 VDP_setSprite(0, cursor_x * pixels_per_tile, cursor_y * pixels_per_tile, SPRITE_SIZE(2,2), TILE_ATTR_FULL(PAL0, 1, 0, 0, cursor_tile_index), spriteDefCache[0].link); |
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137 if (running) |
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138 { |
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139 if (countdown) |
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140 --countdown; |
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141 else if (cur_creeps < 4) |
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142 { |
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143 spawn_creep(CREEP_NORMAL, 4, 122); |
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144 countdown = 300; |
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145 } |
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146 update_creeps(); |
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147 } |
2
8f23be2db808
Movec creep.h into the src folder. Added main loop
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
148 } |
8f23be2db808
Movec creep.h into the src folder. Added main loop
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
149 return 0; |
8f23be2db808
Movec creep.h into the src folder. Added main loop
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
150 } |