initial commit. This is icculus version 5542b94cae02a6333845854bbbd1abe0a259f1a4

BBGE/Collision.h

@@ -0,0 +1,144 @@
+/*
+Copyright (C) 2007, 2010 - Bit-Blot
+
+This file is part of Aquaria.
+
+Aquaria is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+#pragma once
+
+#include "Base.h"
+
+class RenderObject;
+struct CollisionResult
+{
+	CollisionResult()
+	{
+		collided = false;
+		collider = 0;
+		project = true;
+	}
+	bool project;
+	bool collided;
+	Vector overlap;
+	RenderObject *collider;
+
+	void reportCollision(Vector overlap)
+	{
+		collided = true;
+		this->overlap = overlap;
+	}
+};
+
+
+class CollisionShape
+{
+public:
+	CollisionShape();
+
+	/*
+	void addCollisionGroup(int group);
+	void removeCollisionGroup(int group);
+	void canCollideWithGroup();
+	*/
+
+	void updatePosition(const Vector &position);
+
+	void activate()
+	{
+		active = true;
+	}
+	void deactivate()
+	{
+		active = false;
+	}
+
+	bool isActive()
+	{
+		return active;
+	}
+
+	float getX1();
+	float getX2();
+	float getY1();
+	float getY2();
+	float xw, yw;
+	float radius;
+
+	enum Type { NONE=0, AABB, CIRCLE, TOP_HALF_CIRCLE, TRIANGLE };
+
+	void setType(Type type);
+	Type getType();
+
+
+
+	bool isPointWithin(Vector point);
+	void render();
+
+	CollisionResult findOverlap(CollisionShape &collisionShape);
+	Vector offsetPosition;
+
+	bool compareLayer(CollisionShape &c);
+	//bool compareMask(CollisionShape &c);
+	int getLayer() { return layer; }
+	void setLayer(int layer) { this->layer = layer; }
+
+	bool project;
+protected:
+	int layer;
+	/*
+	typedef std::vector<int> CollisionLayerMask;
+	CollisionLayerMask colliderMask, collideeMask;
+	*/
+	std::vector<Vector> corners;
+	Vector position;
+	bool active;
+	CollisionResult collideCircleWithCircle(CollisionShape &collisionShape);
+	CollisionResult collideCircleWithTopHalfCircle(CollisionShape &collisionShape);
+	CollisionResult collideCircleWithAABB(CollisionShape &collisionShape, float x, float y, int oH, int oV);
+
+
+
+	Type type;
+};
+
+/*
+class CollisionObject
+{
+public:
+	void onCollision();
+	void collide()
+	{
+		CollisionResult c;
+		for (int i = 0; i < collisionManager->colliders.size(); i++)
+		{
+			c = findOverlap(collisionManager->colliders[i]->collisionShape);
+			if (c.collided)
+			{
+				position -= c.overlap;
+				collisionShape.position =
+			}
+		}
+	}
+};
+
+class CollisionManager
+{
+public:
+	void addCollider(
+};
+*/
+