142 lines
3.2 KiB
C
142 lines
3.2 KiB
C
#include <sysinit.h>
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#include "basic/basic.h"
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#include "lcd/render.h"
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#include "lcd/display.h"
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#include "lcd/allfonts.h"
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void ReinvokeISP(void);
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void EnableWatchdog(uint32_t ms);
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void delayms(uint32_t ms);
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/**************************************************************************/
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#define POS_PLAYER_Y 59
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#define ENEMY_ROWS 3
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#define ENEMY_COLUMNS 6
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#define DISABLED 255
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struct gamestate {
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int player;
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int shot_x, shot_y;
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int enemy_x[ENEMY_ROWS][ENEMY_COLUMNS];
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int enemy_row_y[ENEMY_ROWS];
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} game = {RESX/2-4, DISABLED, 0};
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char key;
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void checkISP(void) {
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if(gpioGetValue(RB_BTN2)==0){
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gpioSetValue (RB_LED1, CFG_LED_ON);
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delayms(200);
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gpioSetValue (RB_LED1, CFG_LED_OFF);
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while(gpioGetValue(RB_BTN0)==0);
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EnableWatchdog(1000*5);
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ReinvokeISP();
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}
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}
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void init_enemy() {
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for (int row = 0; row<ENEMY_ROWS; row++) {
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game.enemy_row_y[row] = 10 + (40/ENEMY_ROWS)*row;
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for (int col = 0; col<ENEMY_COLUMNS; col++) {
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game.enemy_x[row][col] = 5+(86/ENEMY_COLUMNS)*col;
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}
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}
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}
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void move_shot() {
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//No shot, do nothing
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if(game.shot_x == DISABLED) {
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return;
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}
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//moving out of top, end shot
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if (game.shot_y <= 0) {
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game.shot_x = DISABLED;
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return;
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}
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//check for collision with enemy, kill enemy if
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for (int row=0; row<ENEMY_ROWS; row++) {
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if (game.enemy_row_y[row] >= game.shot_y && game.enemy_row_y[row] < game.shot_y+8) {
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for(int col = 0; col<ENEMY_COLUMNS; col++) {
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if(game.shot_x >= game.enemy_x[row][col] && game.shot_x < game.enemy_x[row][col]+8) {
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game.enemy_x[row][col]=DISABLED;
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game.shot_x = DISABLED;
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}
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}
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}
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}
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game.shot_y -= 3;
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}
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void move_player() {
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if(gpioGetValue(RB_BTN0)==0 && game.player >= 0 ){
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game.player-=2;
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}
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if(gpioGetValue(RB_BTN1)==0 && game.player < RESX-8){
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game.player+=2;
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}
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if(gpioGetValue(RB_BTN4)==0 && game.shot_x == 255){
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game.shot_x = game.player+4;
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game.shot_y = POS_PLAYER_Y;
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}
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}
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void draw_player() {
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//draw_sprite(50, 20);
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draw_sprite(game.player, POS_PLAYER_Y);
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}
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void draw_enemy() {
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for (int row = 0; row<ENEMY_ROWS; row++) {
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for (int col = 0; col<ENEMY_COLUMNS; col++) {
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if (game.enemy_x[row][col] != DISABLED) {
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draw_sprite(game.enemy_x[row][col],game.enemy_row_y[row]);
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}
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}
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}
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}
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void draw_shot() {
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if (game.shot_x != 255) {
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for (int length=0; length<=5; length++) {
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lcdSetPixel(game.shot_x, game.shot_y+length, true);
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}
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}
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}
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void draw_sprite(int x, int y) {
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for (int dx=0; dx<8; dx++){
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for(int dy=0; dy<8; dy++){
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lcdSetPixel(x+dx,y+dy, true);
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}
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}
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}
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void module_spaceinvaders(void) {
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gpioSetValue (RB_LED1, CFG_LED_OFF);
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backlightInit();
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init_enemy();
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while (1) {
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checkISP();
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lcdFill(0);
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move_shot();
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move_player();
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draw_player();
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draw_enemy();
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draw_shot();
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lcdDisplay(0);
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delayms(10);
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}
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return;
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} |