map transitions

1 files changed, 62 insertions, 0 deletions

diff --git a/src/warp.c b/src/warp.c
new file mode 100644
index 0000000..f36b716
--- /dev/null
+++ b/src/warp.c
@@ -0,0 +1,62 @@
+#include "main.h"
+#include "entity.h"
+#include "loader.h"
+#include "tilemap.h"
+
+static int warp_update(struct warp *self) {
+	if (
+		self->hitbox.left < entities.player[0].hitbox.right &&
+		self->hitbox.right > entities.player[0].hitbox.left &&
+		self->hitbox.top < entities.player[0].hitbox.bottom &&
+		self->hitbox.bottom > entities.player[0].hitbox.top
+	) {
+		if (self->ext == NULL) {
+			return 0;
+		}
+		game_next_level = self->ext;
+		memcpy(next_entities.player, entities.player, sizeof (entities.player));
+		next_entities.player[0].x = self->tox * 16;
+		next_entities.player[0].y = self->toy * 16;
+		game_state = STATE_FADE_IN;
+		self->ext = NULL;
+		return 0;
+	}
+	return 0;
+}
+
+struct warp *warp_new(struct entities *entities) {
+	entities->warp[entities->warps] = (struct warp) {
+		.update = warp_update,
+		.x = 0, .y = 0,
+		.w = 0, .h = 0,
+		.tox = 0, .toy = 0,
+		.hitbox = {
+			0, 0, 0, 0,
+		},
+		.timer = 0,
+		.ext = NULL,
+	};
+	return entities->warp + entities->warps++;
+}
+
+int warp_property(struct warp *const restrict self, char const *const restrict property, char const *const restrict value) {
+	if (strcmp(property, "x") == 0) {
+		self->x = atoi(value);
+	} else if (strcmp(property, "y") == 0) {
+		self->y = atoi(value);
+	} else if (strcmp(property, "width") == 0) {
+		self->w = atoi(value);
+	} else if (strcmp(property, "height") == 0) {
+		self->h = atoi(value);
+	} else if (strcmp(property, "tox") == 0) {
+		self->tox = atoi(value);
+	} else if (strcmp(property, "toy") == 0) {
+		self->toy = atoi(value);
+	} else if (strcmp(property, "map") == 0) {
+		self->ext = value;
+	} else {
+		return 1;
+	}
+	self->hitbox = (struct hitbox) {.left = self->x, .top = self->y, .right = self->x + self->w, .bottom = self->y + self->h};
+	return 0;
+}