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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _FEATURE_H
#define _FEATURE_H
#include "System/Misc/NonCopyable.h"
#include "Sim/Objects/SolidObject.h"
#include "System/Matrix44f.h"
#include "Sim/Misc/Resource.h"
#define TREE_RADIUS 20
struct SolidObjectDef;
struct FeatureDef;
struct FeatureLoadParams;
class CUnit;
struct UnitDef;
class DamageArray;
class CFeature: public CSolidObject, public spring::noncopyable
{
CR_DECLARE_DERIVED(CFeature)
public:
CFeature();
~CFeature();
CR_DECLARE_SUB(MoveCtrl)
struct MoveCtrl {
CR_DECLARE_STRUCT(MoveCtrl)
public:
MoveCtrl(): enabled(false) {
movementMask = OnesVector;
velocityMask = OnesVector;
impulseMask = OnesVector;
}
void SetMovementMask(const float3& movMask) { movementMask = movMask; }
void SetVelocityMask(const float3& velMask) { velocityMask = velMask; }
public:
// if true, feature will not apply any unwanted position
// updates (but is still considered moving so long as its
// velocity is non-zero, so it stays in the UQ)
bool enabled;
// dimensions in which feature can move or receive impulse
// note: these should always be binary vectors (.xyz={0,1})
float3 movementMask;
float3 velocityMask;
float3 impulseMask;
float3 velVector;
float3 accVector;
};
enum {
FD_NODRAW_FLAG = 0, // must be 0
FD_OPAQUE_FLAG = 1,
FD_ALPHAF_FLAG = 2,
FD_SHADOW_FLAG = 3,
FD_FARTEX_FLAG = 4,
};
/**
* Pos of quad must not change after this.
* This will add this to the FeatureHandler.
*/
void Initialize(const FeatureLoadParams& params);
const SolidObjectDef* GetDef() const override { return ((const SolidObjectDef*) def); }
int GetBlockingMapID() const override;
/**
* Negative amount = reclaim
* @return true if reclaimed
*/
bool AddBuildPower(CUnit* builder, float amount) override;
void DoDamage(const DamageArray& damages, const float3& impulse, CUnit* attacker, int weaponDefID, int projectileID) override;
void SetVelocity(const float3& v) override;
void ForcedMove(const float3& newPos) override;
void ForcedSpin(const float3& newDir) override;
bool Update();
bool UpdatePosition();
bool UpdateVelocity(const float3& dragAccel, const float3& gravAccel, const float3& movMask, const float3& velMask);
void SetTransform(const CMatrix44f& m, bool synced) { transMatrix[synced] = m; }
void UpdateTransform(const float3& p, bool synced) { transMatrix[synced] = std::move(ComposeMatrix(p)); }
void UpdateTransformAndPhysState();
void UpdateQuadFieldPosition(const float3& moveVec);
void StartFire();
void EmitGeoSmoke();
void DependentDied(CObject *o) override;
void ChangeTeam(int newTeam);
void SetDrawFlag(int f) { drawFlag = f; }
bool IsInLosForAllyTeam(int argAllyTeam) const;
// NOTE:
// unlike CUnit which recalculates the matrix on each call
// (and uses the synced and error args) CFeature caches it
CMatrix44f GetTransformMatrix(bool synced = false, bool fullread = false) const final override { return transMatrix[synced]; }
const CMatrix44f& GetTransformMatrixRef(bool synced = false) const { return transMatrix[synced]; }
private:
void PostLoad();
static int ChunkNumber(float f);
public:
/**
* This flag is used to stop a potential exploit involving tripping
* a unit back and forth across a chunk boundary to get unlimited resources.
* Basically, once a corpse has been a little bit reclaimed,
* if they start rezzing, then they cannot reclaim again
* until the corpse has been fully 'repaired'.
*/
bool isRepairingBeforeResurrect = false;
bool inUpdateQue = false;
bool deleteMe = false;
bool alphaFade = true; // unsynced
float drawAlpha = 1.0f; // unsynced
float resurrectProgress = 0.0f;
float reclaimTime = 0.0f;
float reclaimLeft = 1.0f;
int lastReclaimFrame = 0;
int fireTime = 0;
int smokeTime = 0;
int drawQuad = -1; /// which drawQuad we are part of (unsynced)
int drawFlag = -2; /// one of FD_*_FLAG (unsynced)
SResourcePack defResources = {0.0f, 1.0f};
SResourcePack resources = {0.0f, 1.0f};
MoveCtrl moveCtrl;
const FeatureDef* def = nullptr;
const UnitDef* udef = nullptr; /// type of unit this feature should be resurrected to
/// object on top of us if we are a geothermal vent
CSolidObject* solidOnTop = nullptr;
private:
// [0] := unsynced, [1] := synced
CMatrix44f transMatrix[2];
};
#endif // _FEATURE_H
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