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