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Draw_Things.c
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Draw_Things.c
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/*
*Draw_Things.c
*Created on: Sep 28, 2014
* Author: Dylan
* Purpose: Implements the logic to move the alien rows and redraw them.
*/
#include <system.h>
#include "Draw_Things.h"
#include <time.h>
#include <stdio.h>
#include "io.h"
#include <stdlib.h>
#include "altera_up_avalon_video_pixel_buffer_dma.h"
#define drawer_base (volatile int *) 0x4020
int move(int x[][100], int y[][100], int z, int colour, int laser) {
int i; // variable used in the for loops
int down;
unsigned int pixel_buffer_addr1 = PIXEL_BUFFER_BASE;
unsigned int pixel_buffer_addr2 = PIXEL_BUFFER_BASE + (512 * 240 * 2);
alt_up_pixel_buffer_dma_dev* pixel_buffer;
pixel_buffer = alt_up_pixel_buffer_dma_open_dev(
"/dev/video_pixel_buffer_dma_0");
// Set the 1st buffer address
alt_up_pixel_buffer_dma_change_back_buffer_address(pixel_buffer,
pixel_buffer_addr1);
draw_alien_row(11, 19, x, y, 0);
draw_alien_row(21, 29, x, y, 0);
draw_alien_row(31, 39, x, y, 0);
draw_alien_row(41, 49, x, y, 0);
draw_alien_row(51, 59, x, y, 0);
/* These embedded if statements allow us to dynamically move the aliens
* further across the screen if a row or column is completely dead
*/
if (x[11][0] == 0 && x[21][0] == 0 && x[31][0] == 0 && x[41][0] == 0
&& x[51][0] == 0) { //first column is gone
if (x[12][0] == 0 && x[22][0] == 0 && x[32][0] == 0 && x[42][0] == 0
&& x[52][0] == 0) {
if (x[13][0] == 0 && x[23][0] == 0 && x[33][0] == 0 && x[43][0] == 0
&& x[53][0] == 0) {
if (x[14][0] == 0 && x[24][0] == 0 && x[34][0] == 0
&& x[44][0] == 0 && x[54][0] == 0) {
if (x[15][0] == 0 && x[25][0] == 0 && x[35][0] == 0
&& x[45][0] == 0 && x[55][0] == 0) {
if (x[16][0] == 0 && x[26][0] == 0 && x[36][0] == 0
&& x[46][0] == 0 && x[56][0] == 0) {
if (x[17][0] == 0 && x[27][0] == 0 && x[37][0] == 0
&& x[47][0] == 0 && x[57][0] == 0) {
if (x[18][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0
&& x[53][0] == 0 && x[54][0] == 0
&& x[55][0] == 0 && x[56][0] == 0
&& x[57][0] == 0 && x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0
&& x[43][0] == 0
&& x[44][0] == 0
&& x[45][0] == 0
&& x[46][0] == 0
&& x[47][0] == 0
&& x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0
&& x[33][0] == 0
&& x[34][0] == 0
&& x[35][0] == 0
&& x[36][0] == 0
&& x[37][0] == 0
&& x[38][0] == 0) {
if (x[21][0] == 0
&& x[22][0] == 0
&& x[23][0] == 0
&& x[24][0] == 0
&& x[25][0] == 0
&& x[26][0] == 0
&& x[27][0] == 0
&& x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[17][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0
&& x[53][0] == 0 && x[54][0] == 0
&& x[55][0] == 0 && x[56][0] == 0
&& x[57][0] == 0 && x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0
&& x[43][0] == 0 && x[44][0] == 0
&& x[45][0] == 0 && x[46][0] == 0
&& x[47][0] == 0 && x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0
&& x[33][0] == 0
&& x[34][0] == 0
&& x[35][0] == 0
&& x[36][0] == 0
&& x[37][0] == 0
&& x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0
&& x[23][0] == 0
&& x[24][0] == 0
&& x[25][0] == 0
&& x[26][0] == 0
&& x[27][0] == 0
&& x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[16][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0 && x[53][0] == 0
&& x[54][0] == 0 && x[55][0] == 0
&& x[56][0] == 0 && x[57][0] == 0
&& x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0
&& x[43][0] == 0 && x[44][0] == 0
&& x[45][0] == 0 && x[46][0] == 0
&& x[47][0] == 0 && x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0
&& x[33][0] == 0 && x[34][0] == 0
&& x[35][0] == 0 && x[36][0] == 0
&& x[37][0] == 0 && x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0
&& x[23][0] == 0
&& x[24][0] == 0
&& x[25][0] == 0
&& x[26][0] == 0
&& x[27][0] == 0
&& x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[15][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0 && x[53][0] == 0
&& x[54][0] == 0 && x[55][0] == 0
&& x[56][0] == 0 && x[57][0] == 0
&& x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0 && x[43][0] == 0
&& x[44][0] == 0 && x[45][0] == 0
&& x[46][0] == 0 && x[47][0] == 0
&& x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0
&& x[33][0] == 0 && x[34][0] == 0
&& x[35][0] == 0 && x[36][0] == 0
&& x[37][0] == 0 && x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0
&& x[23][0] == 0 && x[24][0] == 0
&& x[25][0] == 0 && x[26][0] == 0
&& x[27][0] == 0 && x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[14][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0 && x[53][0] == 0
&& x[54][0] == 0 && x[55][0] == 0 && x[56][0] == 0
&& x[57][0] == 0 && x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0 && x[43][0] == 0
&& x[44][0] == 0 && x[45][0] == 0
&& x[46][0] == 0 && x[47][0] == 0
&& x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0 && x[33][0] == 0
&& x[34][0] == 0 && x[35][0] == 0
&& x[36][0] == 0 && x[37][0] == 0
&& x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0
&& x[23][0] == 0 && x[24][0] == 0
&& x[25][0] == 0 && x[26][0] == 0
&& x[27][0] == 0 && x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[13][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0 && x[53][0] == 0
&& x[54][0] == 0 && x[55][0] == 0 && x[56][0] == 0
&& x[57][0] == 0 && x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0 && x[43][0] == 0
&& x[44][0] == 0 && x[45][0] == 0 && x[46][0] == 0
&& x[47][0] == 0 && x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0 && x[33][0] == 0
&& x[34][0] == 0 && x[35][0] == 0
&& x[36][0] == 0 && x[37][0] == 0
&& x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0 && x[23][0] == 0
&& x[24][0] == 0 && x[25][0] == 0
&& x[26][0] == 0 && x[27][0] == 0
&& x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[12][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0 && x[53][0] == 0 && x[54][0] == 0
&& x[55][0] == 0 && x[56][0] == 0 && x[57][0] == 0
&& x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0 && x[43][0] == 0
&& x[44][0] == 0 && x[45][0] == 0 && x[46][0] == 0
&& x[47][0] == 0 && x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0 && x[33][0] == 0
&& x[34][0] == 0 && x[35][0] == 0 && x[36][0] == 0
&& x[37][0] == 0 && x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0 && x[23][0] == 0
&& x[24][0] == 0 && x[25][0] == 0
&& x[26][0] == 0 && x[27][0] == 0
&& x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
}
} else if (x[11][1] < 10) {
z = 1;
if (x[51][0] == 0 && x[52][0] == 0 && x[53][0] == 0 && x[54][0] == 0
&& x[55][0] == 0 && x[56][0] == 0 && x[57][0] == 0
&& x[58][0] == 0) { // bottom row is gone
if (x[41][0] == 0 && x[42][0] == 0 && x[43][0] == 0 && x[44][0] == 0
&& x[45][0] == 0 && x[46][0] == 0 && x[47][0] == 0
&& x[48][0] == 0) {
if (x[31][0] == 0 && x[32][0] == 0 && x[33][0] == 0
&& x[34][0] == 0 && x[35][0] == 0 && x[36][0] == 0
&& x[37][0] == 0 && x[38][0] == 0) {
if (x[21][0] == 0 && x[22][0] == 0 && x[23][0] == 0
&& x[24][0] == 0 && x[25][0] == 0 && x[26][0] == 0
&& x[27][0] == 0 && x[28][0] == 0) {
if (y[51][2] < 255)
down = 1;
}
if (y[51][2] < 235)
down = 1;
}
if (y[51][2] < 215)
down = 1;
}
if (y[51][2] < 195)
down = 1;
}
if (y[51][2] < 180)
down = 1;
}
if (x[18][0] == 0 && x[28][0] == 0 && x[38][0] == 0 && x[48][0] == 0
&& x[58][0] == 0) {
if (x[17][0] == 0 && x[27][0] == 0 && x[37][0] == 0 && x[47][0] == 0
&& x[57][0] == 0) {
if (x[16][0] == 0 && x[26][0] == 0 && x[36][0] == 0 && x[46][0] == 0
&& x[56][0] == 0) {
if (x[15][0] == 0 && x[25][0] == 0 && x[35][0] == 0
&& x[45][0] == 0 && x[55][0] == 0) {
if (x[14][0] == 0 && x[24][0] == 0 && x[34][0] == 0
&& x[44][0] == 0 && x[54][0] == 0) {
if (x[13][0] == 0 && x[23][0] == 0 && x[33][0] == 0
&& x[43][0] == 0 && x[53][0] == 0) {
if (x[12][0] == 0 && x[22][0] == 0 && x[32][0] == 0
&& x[42][0] == 0 && x[52][0] == 0) {
if (x[11][2] > 300) {
z = 0;
}
} else if (x[12][2] > 300) {
z = 0;
}
} else if (x[13][2] > 300) {
z = 0;
}
} else if (x[14][2] > 300) {
z = 0;
}
} else if (x[15][2] > 300) {
z = 0;
}
} else if (x[16][2] > 300) {
z = 0;
}
} else if (x[17][2] > 300) {
z = 0;
}
} else if (x[18][2] > 300) {
z = 0;
}
if (z == 1) {
x[11][1] += 2;
x[11][2] += 2;
}
if (z == 0) {
x[11][1] -= 2;
x[11][2] -= 2;
}
if (down == 1) {
y[11][1] += 10;
y[11][2] += 10;
y[21][1] += 10;
y[21][2] += 10;
y[31][1] += 10;
y[31][2] += 10;
y[41][1] += 10;
y[41][2] += 10;
y[51][1] += 10;
y[51][2] += 10;
down = 0;
}
// the first two clusters initiate the y values
x[21][1] = x[11][1];
x[21][2] = x[11][2];
x[31][1] = x[11][1];
x[31][2] = x[11][2];
x[41][1] = x[11][1];
x[41][2] = x[11][2];
x[51][1] = x[11][1];
x[51][2] = x[11][2];
//switches aliens on/off before draw
//aliens_alive(x, y);
//changes the values of the x coordinates for the whole line
change_line_xcoord(12, 19, x, y);
change_line_xcoord(22, 29, x, y);
change_line_xcoord(32, 39, x, y);
change_line_xcoord(42, 49, x, y);
change_line_xcoord(52, 59, x, y);
// draws the boxes for the line
draw_alien_row(11, 19, x, y, colour);
draw_alien_row(21, 29, x, y, colour);
draw_alien_row(31, 39, x, y, colour);
draw_alien_row(41, 49, x, y, colour);
draw_alien_row(51, 59, x, y, colour);
alt_up_pixel_buffer_dma_swap_buffers(pixel_buffer);
while (alt_up_pixel_buffer_dma_check_swap_buffers_status(pixel_buffer))
;
// Set the 2nd buffer address
alt_up_pixel_buffer_dma_change_back_buffer_address(pixel_buffer,
pixel_buffer_addr2);
return z; //returns z to remember the direction of boxes
}
void draw(int x1, int y1, int x2, int y2, int colour) {
IOWR_32DIRECT(drawer_base, 0, x1);
// Set x1
IOWR_32DIRECT(drawer_base, 4, y1);
// Set y1
IOWR_32DIRECT(drawer_base, 8, x2);
// Set x2
IOWR_32DIRECT(drawer_base, 12, y2);
// Set y2
IOWR_32DIRECT(drawer_base, 16, colour);
// Set colour
IOWR_32DIRECT(drawer_base, 20, 1);
// Start drawing
while (IORD_32DIRECT(drawer_base,20) == 0)
; // wait until done
}
void aliens_alive(int x[][100], int y[][100]) {
// x[][0] are used to determine if the box should be drawn 1=on, 0=off
x[11][0] = 1;
x[12][0] = 1;
x[13][0] = 1;
x[14][0] = 1;
x[15][0] = 1;
x[16][0] = 1;
x[17][0] = 1;
x[18][0] = 1;
x[21][0] = 1;
x[22][0] = 1;
x[23][0] = 1;
x[24][0] = 1;
x[25][0] = 1;
x[26][0] = 1;
x[27][0] = 1;
x[28][0] = 1;
x[31][0] = 1;
x[32][0] = 1;
x[33][0] = 1;
x[34][0] = 1;
x[35][0] = 1;
x[36][0] = 1;
x[37][0] = 1;
x[38][0] = 1;
x[41][0] = 1;
x[42][0] = 1;
x[42][0] = 1;
x[43][0] = 1;
x[44][0] = 1;
x[45][0] = 1;
x[46][0] = 1;
x[47][0] = 1;
x[48][0] = 1;
x[51][0] = 1;
x[52][0] = 1;
x[53][0] = 1;
x[54][0] = 1;
x[55][0] = 1;
x[56][0] = 1;
x[57][0] = 1;
x[58][0] = 1;
}
void draw_alien_row(int start_index, int end_index, int x[][100], int y[][100],
int colour) {
int i;
for (i = start_index; i < end_index; i++) {
if (x[i][0] == 1)
draw(x[i][1], y[i][1], x[i][2], y[i][2], colour);
}
}
void change_line_xcoord(int start_of_row, int end_of_row, int x[][100],
int y[][100]) {
int i;
for (i = start_of_row; i < end_of_row; i++) {
x[i][1] = (x[i - 1][1] + 30);
y[i][1] = (y[i - 1][1]);
x[i][2] = (x[i - 1][2] + 30);
y[i][2] = (y[i - 1][2]);
}
}