plugins/cherry/cherry.c

   1 #include <stddef.h>
   2 #include <stdlib.h>
   3 #include "../game/game.h"
   4 #include "../score/score.h"
   5 #include "../inventory/inventory.h"
   6
   7 static struct entity cherry_entity;
   8
   9 static bool use_cherry(struct itemstack *stack)
  10 {
  11         (void) stack;
  12
  13         add_health(&player, 2);
  14         return true;
  15 }
  16
  17 static struct item cherry_item = {
  18         .name = "Cherry",
  19         .stackable = true,
  20
  21         .on_use = &use_cherry,
  22         .on_destroy = NULL,
  23 };
  24
  25 static void cherry_step(struct entity *self, struct entity_step_data stepdata)
  26 {
  27         if (stepdata.dx == 0 && stepdata.dy == 0) {
  28                 add_score(2);
  29                 inventory_add(&player_inventory, (struct itemstack) {
  30                         .item = &cherry_item,
  31                         .count = 1,
  32                         .meta = NULL,
  33                 });
  34                 self->remove = true;
  35         }
  36 }
  37
  38 static void spawn_cherry(int x, int y)
  39 {
  40         spawn(cherry_entity, x, y, NULL);
  41 }
  42
  43 __attribute__((constructor)) static void init()
  44 {
  45         cherry_entity = (struct entity) {
  46                 .name = "cherry",
  47                 .x = 0,
  48                 .y = 0,
  49                 .color = get_color("#FF2A53"),
  50                 .texture = "🍒",
  51                 .remove = false,
  52                 .meta = NULL,
  53                 .health = 1,
  54                 .max_health = 1,
  55                 .collide_with_entities = false,
  56
  57                 .on_step = &cherry_step,
  58                 .on_collide = NULL,
  59                 .on_collide_with_entity = NULL,
  60                 .on_spawn = NULL,
  61                 .on_remove = NULL,
  62                 .on_death = NULL,
  63                 .on_damage = NULL,
  64         };
  65
  66         register_air_function((struct generator_function) {
  67                 .chance = 100,
  68                 .callback = &spawn_cherry,
  69         });
  70 }
  71