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annotate src/main.c @ 25:2f56bc29a3d6 default tip

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Beefed up the cursor a bit. Cleaned up my unused build order array.
author William Morgan <bill@mrgn.org>
date Tue, 14 Jan 2014 00:06:22 -0800
parents 2cee3dc5fe4d
children
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rev   line source
2
8f23be2db808 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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51a0972fcf76 Move some tilemap/distance stuff out of creep.c and main.c into a separate source file
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3 #include "map.h"
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4
10
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5 const u32 cursor_tiles[4*8] = {
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2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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6 0x11111000, // top left
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7 0x13322100,
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8 0x13111000,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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parents: 23
diff changeset
9 0x12100000,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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10 0x12100000,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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11 0x01000000,
10
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12 0x00000000,
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13 0x00000000,
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14
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15 0x00000000, // bottom left
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16 0x00000000,
24
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17 0x01000000,
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18 0x12100000,
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19 0x12100000,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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20 0x13111000,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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21 0x13322100,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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22 0x11111000,
10
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23
24
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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24 0x00011111, // top right
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25 0x00122331,
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26 0x00011131,
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27 0x00000121,
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28 0x00000121,
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29 0x00000010,
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30 0x00000000,
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31 0x00000000,
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32
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33 0x00000000, // bottom right
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34 0x00000000,
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35 0x00000010,
2cee3dc5fe4d Beefed up the cursor a bit. Cleaned up my unused build order array.
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36 0x00000121,
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37 0x00000121,
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38 0x00011131,
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39 0x00122331,
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40 0x00011111,
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41 };
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42
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43 u16 countdown;
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44
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45 s16 cursor_x = 0; // tiles
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46 s16 cursor_y = 0; // tiles
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47 u16 cursor_selection = WALL;
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48 #define CURSOR_BLINK_RATE 16
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49 #define CURSOR_WIDTH 2; // tiles
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50
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51 #define PIXELS_PER_TILE 8
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52
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53 u8 running = 0;
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54
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55 void clear_cursor() {
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56 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x, cursor_y);
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57 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x + 1, cursor_y);
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58 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x, cursor_y + 1);
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59 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x + 1, cursor_y + 1);
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60 }
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61
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62 void joy_event_handler(u16 joy, u16 changed, u16 state) {
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63 u16 went_down = changed & state;
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64 if (went_down & BUTTON_UP) {
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65 clear_cursor();
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66 cursor_y -= CURSOR_WIDTH;
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67 }
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68 if (went_down & BUTTON_DOWN) {
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69 clear_cursor();
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70 cursor_y += CURSOR_WIDTH;
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71 }
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72 if (went_down & BUTTON_LEFT) {
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73 clear_cursor();
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74 cursor_x -= CURSOR_WIDTH;
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75 }
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76 if (went_down & BUTTON_RIGHT) {
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77 clear_cursor();
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78 cursor_x += CURSOR_WIDTH;
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79 }
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80 if (went_down & BUTTON_B && !running) {
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81 cursor_selection = (cursor_selection + 1) % GOAL;
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82 }
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83 if (went_down & BUTTON_A && !running) {
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84 place_object(cursor_selection, cursor_x, cursor_y);
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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 place_object(EMPTY, cursor_x, cursor_y);
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89 }
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90 }
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91 if (went_down & BUTTON_START)
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92 {
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93 running = 1;
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94 }
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95 }
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96
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97 int main(void)
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98 {
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99 JOY_init();
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100 JOY_setEventHandler(&joy_event_handler);
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101
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102 u8 cursor_tile_index = 1;
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103 VDP_loadTileData((const u32 *)cursor_tiles, cursor_tile_index, 4, 0);
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104
4
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105 u16 i;
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106 VDP_setPlanSize(64, 32);
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107 /*for (i = 6; i < 40*28; i += 4)
4
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108 if ((i > 80 || i & 4) && (i < 40*26 || !(i & 4)) && i % 40 < 38)
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109 {
17
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110 tilemap[i] = WALL;
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111 tilemap[i+1] = WALL;
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112 }
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113 */
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114 place_object(GOAL, 38, 14);
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115 place_object(SPAWN, 0, 14);
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116 gen_distances(38, 14);
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117 for (i = 0; i < MAX_SPRITE; i++)
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118 {
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119 spriteDefCache[i].posx = -0x80;
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120 }
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121 //print_distances();
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122 for (;;)
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123 {
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124 VDP_waitVSync();
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125 VDP_updateSprites();
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126 if ((getTick() % CURSOR_BLINK_RATE) == 0 && !running) {
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127 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][0], cursor_x, cursor_y);
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128 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][1], cursor_x + 1, cursor_y);
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129 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][2], cursor_x, cursor_y + 1);
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130 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][3], cursor_x + 1, cursor_y + 1);
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131 }
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132 if ((getTick() % CURSOR_BLINK_RATE) == CURSOR_BLINK_RATE >> 1) {
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133 clear_cursor();
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134 }
4
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135 for (i = 0; i < 28; i++)
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136 {
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137 VDP_setTileMapRectByIndex(VDP_PLAN_B, tilemap + i*40, i*64, 40, 0);
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138 }
22
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139 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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140 if (running)
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141 {
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
142 if (countdown)
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
143 --countdown;
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
144 else if (cur_creeps < 4)
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
145 {
21
bb7dfb42b320 Small refactor to object placement. Add spawn point object
Michael Pavone <pavone@retrodev.com>
parents: 20
diff changeset
146 spawn_creep(CREEP_NORMAL, 0+4, 14*8+4);
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
147 countdown = 300;
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
148 }
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.
Mike Pavone <pavone@retrodev.com>
parents: 15
diff changeset
149 update_creeps();
7
3ed112d64b1b Added basic creep spawning code
Mike Pavone <pavone@retrodev.com>
parents: 4
diff changeset
150 }
2
8f23be2db808 Movec creep.h into the src folder. Added main loop
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
151 }
8f23be2db808 Movec creep.h into the src folder. Added main loop
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
152 return 0;
8f23be2db808 Movec creep.h into the src folder. Added main loop
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
153 }