1 files changed, 80 insertions, 0 deletions
diff --git a/src/drops.c b/src/drops.c
new file mode 100644
index 0000000..f5f4fa0
--- /dev/null
+++ b/src/drops.c
@@ -0,0 +1,80 @@
+#include "../include/drops.h"
+#include "../include/objects.h"
+
+void handle_drop_pickup(player* p, drop* d) {
+	if (!d->active) return;
+
+	switch(d->type) {
+		case DROP_AMMO: p->total_ammo += d->data.ammo_count; break;
+
+		default: log_infox("Unhandled drop type: %d", d->type); break;
+	}
+	d->active = false;
+}
+
+void update_drops() {
+	#define MAX_HEIGHT_DIFF (0.3f)
+	#define FREQUENCY (0.15)
+
+	for (int i = 0; i < MAX_DROPS; i++) {
+		drop b = drops[i];
+		if (!b.active) continue;
+
+		drops[i].time_active += update_delta;
+		drops[i].position.z = MAX_HEIGHT_DIFF * sin (2 * M_PI * 0.5f * (drops[i].time_active) + 0) + b.start_h;
+
+		for (int x = 0; x < max_players; x++) {
+			player *p = &players[x];
+			if (!p->active) continue;
+
+			if (check_if_player_collided_with_box(*p, get_box_of_square(drops[i].position, drops[i].size))) {
+				handle_drop_pickup(p, &drops[i]);
+			}
+		}
+	}
+}
+
+void draw_drops(platform_window* window) {
+	for (int i = 0; i < MAX_DROPS; i++) {
+		drop b = drops[i];
+		if (!b.active) continue;
+
+		DROP_RENDER_DEPTH((int)(b.position.y));
+
+		b.position.z = b.start_h;
+		b.size.z = 0.0f;
+		b.position.y += 0.2f;
+		b.position.x -= 0.07f;
+		box shadow_box = get_render_box_of_square(window, b.position, b.size);
+		render_quad_with_outline(shadow_box.tl_b, shadow_box.tr_b, shadow_box.bl_b, shadow_box.br_b, rgba(0,0,0,120));
+		render_quad_with_outline(shadow_box.tl_u, shadow_box.tr_u, shadow_box.bl_u, shadow_box.br_u, rgba(0,0,0,120));
+		render_quad_with_outline(shadow_box.tl_u, shadow_box.tl_b, shadow_box.bl_u, shadow_box.bl_b, rgba(0,0,0,120));
+		render_quad_with_outline(shadow_box.bl_u, shadow_box.br_u, shadow_box.bl_b, shadow_box.br_b, rgba(0,0,0,120));
+
+		b = drops[i];
+		box full_box = get_render_box_of_square(window, b.position, b.size);
+		render_quad_with_outline(full_box.tl_b, full_box.tr_b, full_box.bl_b, full_box.br_b, rgb(218,112,214));
+		render_quad_with_outline(full_box.tl_u, full_box.tr_u, full_box.bl_u, full_box.br_u, rgb(218,112,214));
+		render_quad_with_outline(full_box.tl_u, full_box.tl_b, full_box.bl_u, full_box.bl_b, rgb(218,112,214));
+		render_quad_with_outline(full_box.bl_u, full_box.br_u, full_box.bl_b, full_box.br_b, rgb(218,112,214));
+	}
+}
+
+void spawn_drop(vec3f pos) {
+	for (int i = 0; i < MAX_DROPS; i++) {
+		drop b = drops[i];
+		if (b.active) continue;
+
+		drop new_drop;
+		new_drop.active = true;
+		new_drop.time_active = 0.0f;
+		new_drop.position = pos;
+		new_drop.size = (vec3f){0.3f, 0.3f, 0.4f};
+		new_drop.start_h = pos.z;
+		new_drop.type = DROP_AMMO;
+		new_drop.data.ammo_count = 10;
+
+		drops[i] = new_drop;
+		break;
+	}
+}
+\ No newline at end of file