1 files changed, 35 insertions, 18 deletions

diff --git a/main.c b/main.c
index 5badc2b..5598945 100644
--- a/main.c
+++ b/main.c
@@ -9,6 +9,8 @@
 #include "vui.h"
 
 int alive, paused;
+int flash = 0;
+u32 frame, score;
 
 /* input buffer */
 
@@ -59,8 +61,8 @@ int poll_input(u32 ms) {
 
 /* program */
 
-#define WIDTH  32
-#define HEIGHT 32
+#define WIDTH  20
+#define HEIGHT 20
 
 typedef enum {
 	TILE_FLOOR,
@@ -112,9 +114,7 @@ typedef struct {
 	SnkSeg seg[SNK_SEG_MAX];
 } Snake;
 
-Snake snk = {
-	.len = 1
-};
+Snake snk = { 0 };
 
 typedef struct {
 	i16 x, y;
@@ -253,23 +253,33 @@ void brd_draw(void) {
 
 	u32 right = left + WIDTH * 2;
 	u32 bottom = top + HEIGHT;
+	u32 lvl = score / 10;
+	VuiAttr bordatr = A_BOLD | ((FG_BLUE + lvl) & 7);
 	for (u32 y = 0; y < HEIGHT; y++) {
-		vui_chr(left - 1, top + y, u'║');
-		vui_chr(right + 1, top + y, u'║');
+		vui_chra(left - 1, top + y, u'║', bordatr);
+		vui_chra(right + 1, top + y, u'║', bordatr);
 		for (u32 x = 0; x < WIDTH; x++) {
 			Tile t = board[y][x];
-			vui_chra(left + 2 * x,     top + y, tile_chr[t][0], tile_attr[t][0]);
-			vui_chra(left + 2 * x + 1, top + y, tile_chr[t][1], tile_attr[t][1]);
-			vui_puts(left + 2 * x,     top - 1, "══");
-			vui_puts(left + 2 * x,     bottom,  "══");
+			VuiAttr a0 = tile_attr[t][0];
+			VuiAttr a1 = tile_attr[t][1];
+			a1 = ((a1 + lvl) & 7) | (a1 & 8);
+			a0 = ((a0 + lvl) & 7) | (a0 & 8);
+			if (t == TILE_FLOOR) {
+				if ((x + y + frame) & 8) a1 |= A_BOLD;
+			}
+			if (flash) a0 = (a1 = FG_BWHITE | BG_BLACK);
+			vui_chra(left + 2 * x,     top + y, tile_chr[t][0], a0);
+			vui_chra(left + 2 * x + 1, top + y, tile_chr[t][1], a1);
+			vui_putsa(left + 2 * x,     top - 1, "══", bordatr);
+			vui_putsa(left + 2 * x,     bottom,  "══", bordatr);
 		}
 	}
-	vui_chr(left  - 1, top - 1, u'╔');
-	vui_chr(right + 1, top - 1, u'╗');
-	vui_chr(left  - 1, bottom,  u'╚');
-	vui_chr(right + 1, bottom,  u'╝');
-	vui_chr(right, bottom,  u'═');
-	vui_chr(right, top - 1,  u'═');
+	vui_chra(left  - 1, top - 1, u'╔', bordatr);
+	vui_chra(right + 1, top - 1, u'╗', bordatr);
+	vui_chra(left  - 1, bottom,  u'╚', bordatr);
+	vui_chra(right + 1, bottom,  u'╝', bordatr);
+	vui_chra(right, bottom,  u'═', bordatr);
+	vui_chra(right, top - 1,  u'═', bordatr);
 	/*
 	u32 x = 0;
 	u32 y = 1;
@@ -288,6 +298,7 @@ void brd_draw(void) {
 		}
 	}
 	*/
+	flash = 0;
 }
 
 void snk_draw(Snake *s) {
@@ -317,7 +328,7 @@ void draw(void *ctx) {
 	vui_printf(0, 0, "input polling iterations: %u", poll_input_iter);
 	vui_printf(0, 1, "apples: %u", napple);
 	vui_printf(0, 2, "last apple bitboard len: %u", last_apple_bb_len);
-	vui_printf(0, 3, "last apple position: %u", last_apple_pos % WIDTH, last_apple_pos / WIDTH);
+	vui_printf(0, 3, "last apple position: %u, %u", last_apple_pos % WIDTH, last_apple_pos / WIDTH);
 	vui_printf(-1, 0, "snake pos: %hd, %hd", snk.seg->x, snk.seg->y);
 
 	BitBoard bb;
@@ -333,8 +344,10 @@ void draw(void *ctx) {
 void update(void) {
 	for (u32 i = 0; i < napple; i++) {
 		if (snk.seg[0].x == apple[i].x && snk.seg[0].y == apple[i].y) {
+			flash = 1;
 			replace_apple(i);
 			snk.len++;
+			score++;
 			break;
 		}
 	}
@@ -375,12 +388,16 @@ int main(void) {
 	vui_init();
 	vui_redraw_fn(draw);
 	snk.dir = DIR_RIGHT;
+	snk.len = 0;
 	snk.seg[snk.len++] = (SnkSeg) { 0, 0 };
 	alive = 1;
 	paused = 0;
 	napple = APPLE_MAX;
 	place_apple();
+	frame = 0;
+	score = 0;
 	while (alive) {
+		frame++;
 		poll_input(33);
 		draw(NULL);
 		vui_blit();