From 673e4900e93767b8bb3241b89c13424ff6fbf547 Mon Sep 17 00:00:00 2001
From: Vasil Zlatanov <v@skozl.com>
Date: Mon, 8 May 2017 00:40:40 +0100
Subject: Implement 2048 game prototype

---
 src/main.cpp | 54 +++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 37 insertions(+), 17 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index 19f280d..229ef25 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,5 @@
 #include "mbed.h"
+#include "2048.h"
 #include "spi_init.h"
 #include "counter.h"
 #include "Adafruit_SSD1306.h"
@@ -7,15 +8,14 @@
 #define SW_PERIOD 20000 // 20ms
 
 void tout(void);
-void pwm_invert(void);
+void draw(int board[4][4]);
 
 // Onboard LED 
-DigitalOut out_wave(LED1);
 PinName switch_pin[] = { SW_PINS };
 
 Counter *switch_position[4];
 Ticker timer;
-Ticker pwm;
+//Ticker pwm;
 
 volatile uint16_t switch_count[4] = { 0, 0, 0, 0 };
 volatile uint16_t switch_pressed[4] = { 0, 0, 0, 0 };
@@ -31,6 +31,10 @@ Adafruit_SSD1306_Spi oled(gSpi, D_DC_PIN, D_RST_PIN, D_CS_PIN, 64, 128);
 
 int main(void)
 {
+	int done = 0;
+	int board[4][4];
+	init(board);
+
 	oled.setRotation(2);
 	wait(0.5);
 
@@ -43,30 +47,30 @@ int main(void)
 	timer.attach_us(&tout, SW_PERIOD);
 
 	oled.clearDisplay();
-	oled.printf("%ux%u Group Ay08-04\r\n", oled.width(), oled.height());
+	oled.printf("%ux%u Group Ay08-04\n", oled.width(), oled.height());
+
+	draw(board);
 
 	for (;;) {
 		if (update) {
 			update = 0;
+			done = 0;
 
 			oled.setTextCursor(0, 0);
 
 			//Write the latest switch osciallor count
 			for (int i = 3; i >= 0; --i) {
-				current_f[i] += (switch_pressed[i] && !last_pressed[i]);
-				if (current_f[i] > 9)
-					current_f[i] = 0;
-				oled.printf("\nS:%u C:%05u N:%u", switch_pressed[i], switch_count[i], current_f[i]);
+				if (switch_pressed[i] && !last_pressed[i])
+					done = move(i, board);
 			}
 
-			uint16_t frequency = 1000*current_f[3] + 100*current_f[2] + 10*current_f[1] + current_f[0];
-
-			oled.printf("\nF:%u   ", frequency);
+			if(done){
+				add2(board);
+				draw(board);
+			}
 
-			if (frequency < 25)
-				pwm.attach_ms(&pwm_invert, 500/frequency);
-			else
-				pwm.attach_us(&pwm_invert, 500000/frequency);
+			if(gameover(board))
+				oled.printf("\nGame Over!");
 
 			//Copy the display buffer to the display
 			oled.display();
@@ -95,6 +99,22 @@ void tout(void)
 	update = 1;
 }
 
-void pwm_invert(void){
-	out_wave = !out_wave;
+void draw(int board[SIZE][SIZE])
+{
+	int x, y;
+	int value;
+	for (y = 0; y < SIZE; y++) {
+		for (x = 0; x < SIZE; x++) {
+			if (board[x][y] != 0) {
+				value = 2;
+				for (int i = 1; i < board[x][y]; ++i) {
+					value = value * 2;
+				}
+			} else {
+				value = 0;
+			}
+			oled.printf("%d\t", value);
+		}
+		oled.printf("\n");
+	}
 }
-- 
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