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#include "shop.h"
#include "engine/maths.h"
#include "ppu/ppu.h"
bool hh_show_Shop(){
static hh_e_ShopStates hh_e_Shop = hh_e_shop_init;
static hh_e_upgrades upgrades[HH_SHOP_UPG_DISPLAY] = {0};
static uint8_t selected = 0;
switch (hh_e_Shop)
{
case hh_e_shop_init:
hh_clear_screen();
hh_clear_sprite();
//TODO: render shop bg from level file here
//hh_setup_shop();
hh_shop_init(&upgrades);
selected = HH_SHOP_UPG_DISPLAY/2;
hh_shop_display(selected, &upgrades);
hh_e_Shop = hh_e_shop_main;
return false;
break;
case hh_e_shop_main:
if(g_hh_controller_p1.dpad_left || g_hh_controller_p1.dpad_right){
hh_shift_selected(&selected,(g_hh_controller_p1.dpad_right?1:0),0,HH_SHOP_UPG_DISPLAY);
hh_shop_display(selected, &upgrades);
}
if(g_hh_controller_p1.button_primary){
//apply selected upgrade
hh_e_Shop = hh_e_shop_end;
}
if(g_hh_controller_p1.button_secondary){
hh_e_Shop = hh_e_shop_end;
}
break;
case hh_e_shop_end:
hh_e_Shop = hh_e_shop_init;
return true;
break;
default:
hh_e_Shop = hh_e_shop_init;
break;
}
return false;
}
void hh_shop_init(hh_e_upgrades* in) {
for (int i = 0; i < HH_SHOP_UPG_DISPLAY; i++) {
in[i] = i%HH_SHOP_UPG_COUNT;
}
}
void hh_shop_display(uint8_t selected, hh_e_upgrades* upgrades) {
const vec_cor start = {48,16};
const uint8_t up = 8,
space = 24+8;
for (int i = 0; i < HH_SHOP_UPG_DISPLAY; i++) {
hh_ppu_update_foreground(i+16,
(hh_s_ppu_loc_fam_entry){
.horizontal_flip = false, .vertical_flip = false,
.position_x = i*space+start.x, .position_y = start.y + (i==selected?up:0),
.palette_index = 7,
.tilemap_index = i
});
}
}
void hh_shift_selected(uint8_t* pos, bool dir, uint8_t min, uint8_t max) {
if (dir) {
pos = CLAMP(++pos,min,max);
} else {
if (pos > 0) {
pos--;
}
}
}
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