From 761d6d077042c7d679606bbc113050118eb60fc1 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sat, 26 Jun 2010 20:08:51 +0200
Subject: Introduced Enemy1-2 and delayed pattern spawning.

---
 engine/enemy.cpp | 28 +++++++++++++++++++++++++---
 engine/enemy.h   | 22 +++++++++++++++++++++-
 engine/stage.cpp |  5 +++--
 3 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/engine/enemy.cpp b/engine/enemy.cpp
index ed07dec..87e9e87 100644
--- a/engine/enemy.cpp
+++ b/engine/enemy.cpp
@@ -6,10 +6,8 @@
 
 Enemy::Enemy(const Vector2& initpos, std::vector<BulletPattern*>& stage_patterns) : patterns(stage_patterns) {
 	pos = initpos;
-	
-	texture = new TextureSDL("textures/enemy.png");
 
-	patterns.push_back(new BulletPattern1(Vector2(0.5, 0.8)));
+	texture = new TextureSDL("textures/enemy.png");
 }
 
 void Enemy::update() {
@@ -28,3 +26,27 @@ void Enemy::draw() {
 
 	glDisable(GL_TEXTURE_2D);
 }
+
+Enemy1::Enemy1(const Vector2& initpos, std::vector<BulletPattern*>& stage_patterns) : Enemy(initpos, stage_patterns) {
+	steps = 0;
+
+	patterns.push_back(new BulletPattern1(initpos));
+}
+
+void Enemy1::update() {
+	steps++;
+	if(steps == 180) {
+		patterns.push_back(new BulletPattern2(pos));
+	}
+}
+
+Enemy2::Enemy2(const Vector2& initpos, std::vector<BulletPattern*>& stage_patterns) : Enemy(initpos, stage_patterns) {
+	steps = 0;
+}
+
+void Enemy2::update() {
+	steps++;
+	if(steps == 660) {
+		patterns.push_back(new BulletPattern3(pos));
+	}
+}
diff --git a/engine/enemy.h b/engine/enemy.h
index 9ccdc86..9a5c4d3 100644
--- a/engine/enemy.h
+++ b/engine/enemy.h
@@ -16,9 +16,29 @@ class Enemy {
 	public:
 		Enemy(const Vector2& initpos, std::vector<BulletPattern*>& stage_patterns);
 		
-		void update();
+		virtual void update();
 		
 		void draw();
 };
 
+class Enemy1 : public Enemy {
+	protected:
+		unsigned int steps;
+
+	public:
+		Enemy1(const Vector2& initpos, std::vector<BulletPattern*>& stage_patterns);
+
+		virtual void update();
+};
+
+class Enemy2 : public Enemy {
+	protected:
+		unsigned int steps;
+
+	public:
+		Enemy2(const Vector2& initpos, std::vector<BulletPattern*>& stage_patterns);
+
+		virtual void update();
+};
+
 #endif
diff --git a/engine/stage.cpp b/engine/stage.cpp
index 84a4cc7..59fda88 100644
--- a/engine/stage.cpp
+++ b/engine/stage.cpp
@@ -15,8 +15,9 @@ Stage::Stage() {
 	texture = new TextureSDL("textures/shot1.png");
 	shader = new GLShaderProgram();
 	
-	enemy_list.push_back(new Enemy(Vector2(0.25, 0.75), patterns));
-	enemy_list.push_back(new Enemy(Vector2(0.75, 0.75), patterns));
+	enemy_list.push_back(new Enemy1(Vector2(0.25, 0.75), patterns));
+	enemy_list.push_back(new Enemy1(Vector2(0.75, 0.75), patterns));
+	enemy_list.push_back(new Enemy2(Vector2(0.50, 0.80), patterns));
 	
 	//patterns.push_back(new BulletPattern3(Vector2(0.5, 0.5)));
 	//patterns.push_back(new BulletPattern1(Vector2(0.5, 0.8)));
-- 
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