Add inventory and cherries (collectable food)

[dungeon_game.git] / plugins / cherry / cherry.c

diff --git a/plugins/cherry/cherry.c b/plugins/cherry/cherry.c
new file mode 100644 (file)
index 0000000..072aec0
--- /dev/null
+++ b/plugins/cherry/cherry.c
@@ -0,0 +1,71 @@
+#include <stddef.h>
+#include <stdlib.h>
+#include "../game/game.h"
+#include "../score/score.h"
+#include "../inventory/inventory.h"
+
+static struct entity cherry_entity;
+
+static bool use_cherry(struct itemstack *stack)
+{
+       (void) stack;
+
+       add_health(&player, 2);
+       return true;
+}
+
+static struct item cherry_item = {
+       .name = "Cherry",
+       .stackable = true,
+
+       .on_use = &use_cherry,
+       .on_destroy = NULL,
+};
+
+static void cherry_step(struct entity *self, struct entity_step_data stepdata)
+{
+       if (stepdata.dx == 0 && stepdata.dy == 0) {
+               add_score(2);
+               inventory_add(&player_inventory, (struct itemstack) {
+                       .item = &cherry_item,
+                       .count = 1,
+                       .meta = NULL,
+               });
+               self->remove = true;
+       }
+}
+
+static void spawn_cherry(int x, int y)
+{
+       spawn(cherry_entity, x, y, NULL);
+}
+
+__attribute__((constructor)) static void init()
+{
+       cherry_entity = (struct entity) {
+               .name = "cherry",
+               .x = 0,
+               .y = 0,
+               .color = get_color("#FF2A53"),
+               .texture = "🍒",
+               .remove = false,
+               .meta = NULL,
+               .health = 1,
+               .max_health = 1,
+               .collide_with_entities = false,
+
+               .on_step = &cherry_step,
+               .on_collide = NULL,
+               .on_collide_with_entity = NULL,
+               .on_spawn = NULL,
+               .on_remove = NULL,
+               .on_death = NULL,
+               .on_damage = NULL,
+       };
+
+       register_air_function((struct generator_function) {
+               .chance = 100,
+               .callback = &spawn_cherry,
+       });
+}
+