cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

smoketest.c (2317B)

      1#include <sms/sms.h>
      2
      3BANKREF_EXTERN(earth_data)
      4extern const unsigned char earth_data[];
      5
      6BANKREF_EXTERN(earth_data_size)
      7extern const unsigned int earth_data_size;
      8
      9const uint8_t tilemap[] = {2, 4, 6, 8, 3, 5, 7, 9};
     10const uint16_t tilemapw[] = {2, 4, 6, 8, 3, 5, 7, 9};
     11
     12uint16_t banked_func(uint8_t be, uint8_t ef) __banked;
     13
     14int16_t x = 8 << 4, y = 0;
     15int8_t xspd = 0, yspd  = 0;
     16
     17uint8_t anim = 0, tick = 0;
     18
     19joypads_t joy;
     20void main() {
     21    HIDE_LEFT_COLUMN;
     22    SPRITES_8x16;
     23    DISPLAY_ON;
     24
     25//  vmemcpy(0x4000, earth_data, sizeof(earth_data));
     26
     27    SWITCH_ROM(BANK(earth_data));
     28    if (banked_func(0xBE, 0xEF) == 0xBEEF) {
     29        set_bkg_data(2, earth_data_size >> 4, earth_data);
     30        set_sprite_data(0, earth_data_size >> 4, earth_data);
     31        set_sprite_tile(0, 0);
     32        set_sprite_tile(1, 2);
     33    }
     34
     35    set_bkg_tiles(4, 10, 4, 2, tilemap);
     36
     37    set_tile_map(4, 16, 4, 2, tilemapw);
     38
     39    joypad_init(2, &joy);
     40
     41    while(TRUE) {
     42        joypad_ex(&joy);
     43
     44        if (joy.joy0 & J_LEFT) {            
     45            if (xspd > -32) xspd -= 2; 
     46        } else if (joy.joy0 & J_RIGHT) {
     47            if (xspd < 32) xspd += 2;
     48        } else {
     49            if (xspd < 0) xspd++; else if (xspd > 0) xspd--;            
     50        }
     51        
     52        if (joy.joy0 & J_UP) {
     53            if (yspd > -32) yspd -= 2; 
     54        } else if (joy.joy0 & J_DOWN) {
     55            if (yspd < 32) yspd += 2;
     56        } else {
     57            if (yspd < 0) yspd++; else if (yspd > 0) yspd--;
     58        }
     59
     60        x += xspd;
     61        if (x < (8 << 4)) x = 8 << 4; else if (x > (30 * 8) << 4) x = (30 * 8) << 4;
     62
     63        
     64        y += yspd;
     65        if (y < 0) y = 0; else if (y > (22 * 8) << 4) y = (22 * 8) << 4;
     66        
     67        tick++; tick &= 7;
     68        if (!tick) {
     69            anim++; if (anim == 7) anim = 0;
     70            set_sprite_tile(0, anim << 2);
     71            set_sprite_tile(1, (anim << 2) + 2);
     72        }
     73
     74        move_sprite(0, x >> 4, y >> 4);
     75        move_sprite(1, (x >> 4) + 8, y >> 4);
     76
     77        if (joy.joy1 & J_LEFT) {
     78            scroll_bkg(-1, 0);
     79        } else if (joy.joy1 & J_RIGHT) {
     80            scroll_bkg(1, 0);
     81        }
     82        if (joy.joy1 & J_UP) {
     83            scroll_bkg(0, -1);
     84        } else if (joy.joy1 & J_DOWN) {
     85            scroll_bkg(0, 1);
     86        }
     87        
     88        wait_vbl_done();
     89    }
     90}