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comparison src/main.c @ 22:b725a715b358

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cursor now blinks the current selection
author William Morgan <bill@mrgn.org>
date Mon, 13 Jan 2014 21:48:22 -0800
parents bb7dfb42b320
children 330e58fb01aa
comparison
equal deleted inserted replaced
21:bb7dfb42b320 22:b725a715b358
42 42
43 }; 43 };
44 44
45 u16 countdown; 45 u16 countdown;
46 46
47 int cursor_x = 0; // tiles 47 s16 cursor_x = 0; // tiles
48 int cursor_y = 0; // tiles 48 s16 cursor_y = 0; // tiles
49 int pixels_per_tile = 8; 49 u16 cursor_selection = WALL;
50 const int cursor_width = 2; // tiles 50 #define CURSOR_BLINK_RATE 16
51 #define CURSOR_WIDTH 2; // tiles
52
53 #define PIXELS_PER_TILE 8
51 54
52 55
53 u16 build_order[3] = { 56 u16 build_order[3] = {
54 EMPTY, 57 EMPTY,
55 WALL, 58 WALL,
56 TOWER, 59 TOWER,
57 }; 60 };
58 u8 build_order_size = 3; 61 u8 build_order_size = 3;
59 u8 running = 0; 62 u8 running = 0;
60 63
64 void clear_cursor() {
65 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x, cursor_y);
66 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x + 1, cursor_y);
67 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x, cursor_y + 1);
68 VDP_setTileMap(VDP_PLAN_A, 0, cursor_x + 1, cursor_y + 1);
69 }
70
61 void joy_event_handler(u16 joy, u16 changed, u16 state) { 71 void joy_event_handler(u16 joy, u16 changed, u16 state) {
62 u16 went_down = changed & state; 72 u16 went_down = changed & state;
63 if (went_down & BUTTON_UP) { 73 if (went_down & BUTTON_UP) {
64 cursor_y -= cursor_width; 74 clear_cursor();
75 cursor_y -= CURSOR_WIDTH;
65 } 76 }
66 if (went_down & BUTTON_DOWN) { 77 if (went_down & BUTTON_DOWN) {
67 cursor_y += cursor_width; 78 clear_cursor();
79 cursor_y += CURSOR_WIDTH;
68 } 80 }
69 if (went_down & BUTTON_LEFT) { 81 if (went_down & BUTTON_LEFT) {
70 cursor_x -= cursor_width; 82 clear_cursor();
83 cursor_x -= CURSOR_WIDTH;
71 } 84 }
72 if (went_down & BUTTON_RIGHT) { 85 if (went_down & BUTTON_RIGHT) {
73 cursor_x += cursor_width; 86 clear_cursor();
87 cursor_x += CURSOR_WIDTH;
74 } 88 }
75 if (went_down & BUTTON_A && !running) { 89 if (went_down & BUTTON_A && !running) {
76 //u16 type_to_place = EMPTY; 90 //u16 type_to_place = EMPTY;
77 place_object(WALL, cursor_x, cursor_y); 91 place_object(WALL, cursor_x, cursor_y);
78 gen_distances(38, 14); 92 gen_distances(38, 14);
114 //print_distances(); 128 //print_distances();
115 for (;;) 129 for (;;)
116 { 130 {
117 VDP_waitVSync(); 131 VDP_waitVSync();
118 VDP_updateSprites(); 132 VDP_updateSprites();
133 if ((getTick() % CURSOR_BLINK_RATE) == 0) {
134 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][0], cursor_x, cursor_y);
135 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][1], cursor_x + 1, cursor_y);
136 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][2], cursor_x, cursor_y + 1);
137 VDP_setTileMap(VDP_PLAN_A, tileinfo[cursor_selection][3], cursor_x + 1, cursor_y + 1);
138 }
139 if ((getTick() % CURSOR_BLINK_RATE) == CURSOR_BLINK_RATE >> 1) {
140 clear_cursor();
141 }
119 for (i = 0; i < 28; i++) 142 for (i = 0; i < 28; i++)
120 { 143 {
121 VDP_setTileMapRectByIndex(VDP_PLAN_B, tilemap + i*40, i*64, 40, 0); 144 VDP_setTileMapRectByIndex(VDP_PLAN_B, tilemap + i*40, i*64, 40, 0);
122 } 145 }
123 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); 146 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);
124 if (running) 147 if (running)
125 { 148 {
126 if (countdown) 149 if (countdown)
127 --countdown; 150 --countdown;
128 else if (cur_creeps < 4) 151 else if (cur_creeps < 4)