Kinda rotating

1 files changed, 66 insertions, 12 deletions

diff --git a/Jetris.ino b/Jetris.ino
index 99d71f8..bd19f4c 100644
--- a/Jetris.ino
+++ b/Jetris.ino
@@ -1,6 +1,7 @@
 // THings that miss
 //	Functions that return something
 //  Make more safety
+//  Malloc etc.
 
 #include "sprites.h"
 #include "MaxCommands.h"
@@ -12,6 +13,7 @@
 #define leftPin     2
 #define rightPin    4
 #define dropPin  11
+#define rotatePin 10
 #define clickTime 200
 
 //Use the drawDot function to draw
@@ -35,6 +37,7 @@ void setup() {
 	pinMode(leftPin, INPUT_PULLUP);
 	pinMode(rightPin, INPUT_PULLUP);
 	pinMode(dropPin, INPUT_PULLUP);
+	pinMode(rotatePin, INPUT_PULLUP);
 
 	//ButtonInterrupt
 	//attachInterrupt(digitalPinToInterrupt(left), buttonHandle, FALLING);
@@ -54,13 +57,13 @@ void setup() {
 //       GAME LOGIC        //
 /////////////////////////////
 
-Sprite *block;
+struct Sprite block;
 
 int xPos;
 int yPos;
 
 
-long loopTime;
+unsigned long loopTime;
 
 void initGame() {
 	initBlock();
@@ -75,7 +78,7 @@ void loop() {
 	
 	//Move
 	if(checkCollision(0, 1)) {
-		drawSprite(buttonLayer, xPos, yPos, block);	
+		drawSprite(buttonLayer, xPos, yPos, &block);	
 		renderAll();
 		initBlock();
 	}else{
@@ -90,7 +93,7 @@ void initBlock(){
 	xPos = 0;
 	yPos = 0;
 
-	block = blocks[random(7)];
+	block = *blocks[random(7)];
 }
 
 void moveBlock(int xMove, int yMove) {
@@ -101,7 +104,7 @@ void moveBlock(int xMove, int yMove) {
 	drawRegion(topLayer, 0xFF, 0xFFFF, false);
 
 	//Draw ball
-	drawSprite(topLayer, xPos, yPos, block);
+	drawSprite(topLayer, xPos, yPos, &block);
 
 	//Render
 	renderAll();
@@ -114,13 +117,13 @@ int checkCollision(int xMove, int yMove) {
 	int yNew = yPos + yMove;
 	int xNew = xPos + xMove;
 
-	for(int i = 0; i < block->height; i++) {
-		if(( block->buff[i] >> xNew) & buttonLayer[i + yNew])
+	for(int i = 0; i < block.height; i++) {
+		if(( block.buff[i + block.yOff] >> xNew - block.xOff ) & buttonLayer[i + yNew])
 			return 1;
 	}
 
 	//Check if out of bounds
-	if(xNew + block->width > 8 || xNew < 0 || yNew + block->height > 16) 
+	if(xNew + block.width > 8 || xNew < 0 || yNew + block.height > 16) 
 		return 1;
 
 	return 0;
@@ -134,7 +137,46 @@ void dropBlock() {
 
 	}
 
-	drawSprite(buttonLayer, xPos, yPos, block);
+	drawSprite(buttonLayer, xPos, yPos, &block);
+}
+
+//Rotate sprite with the clock
+void rotateSprite(struct Sprite *sprite, int count) {
+	uint8_t oldBuffer[8];
+
+	Serial.println(oldBuffer[0]);
+	Serial.println(oldBuffer[2]);
+	Serial.println(sprite->buff[0]);
+	Serial.println(sprite->buff[2]);
+
+	//VULN TODO
+	memcpy(oldBuffer, sprite->buff, sizeof(oldBuffer) );
+
+	Serial.println("Took copy");
+	Serial.println(oldBuffer[0]);
+	Serial.println(sprite->buff[0]);
+
+	for(int i = 0; i < 8; i++) {
+		sprite->buff[i] = 0;
+	}
+
+	//Cannot explain how this works in text TODO
+	for(int i = 0; i < 8; i++) {
+		uint8_t row = oldBuffer[7 - i];
+		for(int j = 0; j < 8; j++) {
+			sprite->buff[j] |= row & ( 1 << i );
+		}
+	}
+
+	Serial.println("Rotated array");
+	
+	//Switch height/width
+	uint8_t temp = sprite->height;
+	sprite->height = sprite->width;
+	sprite->width = temp;
+
+	Serial.println("Changed dimensions");
+
 }
 
 void renderAll(){
@@ -158,13 +200,14 @@ void renderToSerial() {
 //   Control Handling      //
 /////////////////////////////
 
-int leftLast, rightLast, dropLast;
+unsigned long leftLast, rightLast, dropLast, rotateLast;
 
 void handleButtons() {
 	//Read from switch
 	int leftState = !digitalRead(leftPin);
 	int rightState = !digitalRead(rightPin);
 	int dropState = !digitalRead(dropPin);
+	int rotateState = !digitalRead(rotatePin);
 	
 	//Check if last click was over 100 ms ago
 	if(millis() - leftLast > clickTime && leftState) {
@@ -190,6 +233,17 @@ void handleButtons() {
 		dropBlock();
 
 	}
+
+	if(millis() - rotateLast > clickTime && rotateState) {
+		rotateLast = millis();
+
+		//TODO collision checks
+		rotateSprite(&block, 1);
+
+		//Redraw moveblock
+		moveBlock(0, 0);
+
+	}
 }
 
 /////////////////////////////
@@ -216,7 +270,7 @@ void initDisplay() {
 
 //Draw a region, where mask specifies where to draw.
 //	xMask = 0b00111100, yMask = 0b01111110 will draw a small 4x6 box
-void drawSprite(uint8_t layer[], uint8_t x, uint8_t y, Sprite* sprite) {
+void drawSprite(uint8_t layer[], uint8_t x, uint8_t y, struct Sprite* sprite) {
 	//Check if in range
 	if (x + sprite->width - 1 > 7 || y + sprite->height - 1> 15 )
 		return;
@@ -224,7 +278,7 @@ void drawSprite(uint8_t layer[], uint8_t x, uint8_t y, Sprite* sprite) {
 	for ( int i = y; i < sprite->height + y; i++) {
 		//Calculate bits
 		uint8_t row = layer[i];
-		row |= sprite->buff[i - y] >> x;
+		row |= sprite->buff[i - y + sprite->yOff] >> x - sprite->xOff;
 		
 		layer[i] = row;