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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef WORLD_OBJECT_H
#define WORLD_OBJECT_H
#include "System/Object.h"
#include "System/float4.h"
struct S3DModel;
class CWorldObject: public CObject
{
public:
CR_DECLARE_DERIVED(CWorldObject)
CWorldObject() = default;
CWorldObject(const float3& pos, const float3& spd): CWorldObject()
{
SetPosition(pos);
SetVelocity(spd);
}
virtual ~CWorldObject() {}
// NOTE: used only by projectiles, SolidObject's override this!
virtual float GetDrawRadius() const { return drawRadius; }
virtual void SetPosition(const float3& p) { pos = p; }
virtual void SetVelocity(const float3& v) { speed = v; }
virtual void SetVelocityAndSpeed(const float3& v) {
// set velocity first; do not assume f4::op=(f3) will not touch .w
SetVelocity(v);
SetSpeed(v);
}
// by default, SetVelocity does not set magnitude (for efficiency)
// so SetSpeed must be explicitly called to update the w-component
float SetSpeed(const float3& v) { return (speed.w = v.Length()); }
void SetRadiusAndHeight(float r, float h) {
radius = r;
height = h;
sqRadius = r * r;
drawRadius = r;
}
void SetRadiusAndHeight(const S3DModel* model);
// extrapolated base-positions; used in unsynced code
float3 GetDrawPos( float t) const { return (pos + speed * t); }
float3 GetDrawPos(const float3 v, float t) const { return (pos + v * t); }
public:
int id = -1;
int tempNum = 0; ///< used to check if object has already been processed (in QuadField queries, etc)
float3 pos; ///< position of the very bottom of the object
float4 speed; ///< current velocity vector (elmos/frame), .w = |velocity|
float radius = 0.0f; ///< used for collisions
float height = 0.0f; ///< The height of this object
float sqRadius = 0.0f;
float drawRadius = 0.0f; ///< unsynced, used for projectile visibility culling
bool useAirLos = false; ///< if true, the object's visibility is checked against airLosMap[allyteam]
bool alwaysVisible = false; ///< if true, object is drawn even if not in LOS
S3DModel* model = nullptr;
};
#endif /* WORLD_OBJECT_H */
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