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/*
===========================================================================
Copyright (C) 2024 the OpenMoHAA team
This file is part of OpenMoHAA source code.
OpenMoHAA source code 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.
OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// gravpath.h: Gravity path - Used for underwater currents and wells.
#pragma once
#include "g_local.h"
#include "class.h"
#include "container.h"
class GravPathNode : public Entity
{
private:
float speed;
float radius;
qboolean headnode;
float max_speed;
public:
qboolean active;
CLASS_PROTOTYPE(GravPathNode);
GravPathNode();
void SetSpeed(Event *ev);
void SetMaxSpeed(Event *ev);
void SetRadius(Event *ev);
void CreatePath(Event *ev);
void Activate(Event *ev);
void Deactivate(Event *ev);
float Speed(void);
float MaxSpeed(void);
float Radius(void) { return radius; };
void Archive(Archiver& arc) override;
};
inline void GravPathNode::Archive(Archiver& arc)
{
Entity::Archive(arc);
arc.ArchiveFloat(&speed);
arc.ArchiveFloat(&radius);
arc.ArchiveBoolean(&headnode);
arc.ArchiveBoolean(&active);
arc.ArchiveFloat(&max_speed);
}
typedef SafePtr<GravPathNode> GravPathNodePtr;
class GravPath : public Listener
{
private:
Container<GravPathNodePtr> pathlist;
float pathlength;
GravPathNodePtr from;
GravPathNodePtr to;
int nextnode;
public:
CLASS_PROTOTYPE(GravPath);
GravPath();
~GravPath();
void Clear(void);
void Reset(void);
void AddNode(GravPathNode *node);
GravPathNode *GetNode(int num);
GravPathNode *NextNode(void);
Vector ClosestPointOnPath(Vector pos, Entity& ent, float *bestdist, float *speed, float *radius);
float DistanceAlongPath(Vector pos, float *speed);
Vector PointAtDistance(Vector pos, float dist, qboolean is_player, float *max_distance);
void DrawPath(float r, float g, float b);
int NumNodes(void);
float Length(void);
GravPathNode *Start(void);
GravPathNode *End(void);
void Archive(Archiver& arc) override;
Vector mins;
Vector maxs;
Vector origin;
qboolean force;
};
inline void GravPath::Archive(Archiver& arc)
{
GravPathNodePtr *tempPtr;
int i, num;
Listener::Archive(arc);
if (arc.Loading()) {
Reset();
} else {
num = pathlist.NumObjects();
}
arc.ArchiveInteger(&num);
if (arc.Loading()) {
pathlist.Resize(num);
}
for (i = 1; i <= num; i++) {
tempPtr = pathlist.AddressOfObjectAt(i);
arc.ArchiveSafePointer(tempPtr);
}
arc.ArchiveFloat(&pathlength);
arc.ArchiveSafePointer(&from);
arc.ArchiveSafePointer(&to);
arc.ArchiveInteger(&nextnode);
arc.ArchiveVector(&mins);
arc.ArchiveVector(&maxs);
arc.ArchiveVector(&origin);
arc.ArchiveBoolean(&force);
}
class GravPathManager : public Class
{
private:
Container<GravPath *> pathList;
public:
CLASS_PROTOTYPE(GravPathManager);
~GravPathManager();
void Reset(void);
void AddPath(GravPath *p);
void RemovePath(GravPath *p);
Vector CalculateGravityPull(Entity& ent, Vector position, qboolean *force, float *max_speed);
void DrawGravPaths(void);
void Archive(Archiver& arc) override;
};
inline void GravPathManager::Archive(Archiver& arc)
{
GravPath *ptr;
int i, num;
Class::Archive(arc);
if (arc.Saving()) {
num = pathList.NumObjects();
} else {
Reset();
}
arc.ArchiveInteger(&num);
for (i = 1; i <= num; i++) {
if (arc.Saving()) {
ptr = pathList.ObjectAt(i);
} else {
ptr = new GravPath;
}
arc.ArchiveObject(ptr);
if (arc.Loading()) {
pathList.AddObject(ptr);
}
}
}
extern GravPathManager gravPathManager;
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