Add inventory and cherries (collectable food)

1 files changed, 71 insertions, 0 deletions

diff --git a/plugins/cherry/cherry.c b/plugins/cherry/cherry.c
new file mode 100644
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,
+	});
+}
+