From 40eb179043b77f011fb1048c386ee187f64569d0 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Sun, 7 May 2023 09:37:45 +1000
Subject: Add waves and some more polish.

---
 wave.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 wave.c

(limited to 'wave.c')

diff --git a/wave.c b/wave.c
new file mode 100644
index 0000000..93b43f4
--- /dev/null
+++ b/wave.c
@@ -0,0 +1,56 @@
+#include "enemy.h"
+#include "standard.h"
+#include "wave.h"
+#include "world.h"
+
+static const Wave waves[] = {
+	{
+		{
+			{
+				20,
+				2,
+				{
+					{ 3, 5 },
+					{ 15, 15 },
+				}
+			},
+		},
+		1
+	}
+};
+
+void init_waver(Waver* waver) {
+	waver->idx   = 0;
+	waver->sidx  = 0;
+	waver->timer = 0;
+}
+
+void next_wave(Waver* waver) {
+	waver->idx++;
+}
+
+void update_waver(Waver* waver, World* world) {
+	const Wave* wave;
+	const Subwave* subwave;
+	const Wave_Spawn* spawn;
+	int i;
+
+	wave = &waves[waver->idx];
+	subwave = &wave->subwaves[waver->sidx];
+
+	if (waver->sidx >= wave->subwave_count) { return; }
+
+	waver->timer++;
+
+	if (waver->timer >= subwave->frame) {
+		for (i = 0; i < subwave->count; i++) {
+			spawn = &subwave->spawns[i];
+			new_skull(
+				world,
+				(spawn->x * map_tile_size) << fbits,
+				(spawn->y * map_tile_size) << fbits
+			);
+		}
+		waver->sidx++;
+	}
+}
-- 
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