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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef PIECE_PROJECTILE_H
#define PIECE_PROJECTILE_H
#include "Projectile.h"
// Piece Explosion Flags
const int PF_Shatter = (1 << 0); // 1
const int PF_Explode = (1 << 1); // 2
const int PF_Fall = (1 << 2); // 4 (unused)
const int PF_Smoke = (1 << 3); // 8 (unsynced, smoke and fire are turned off when particle saturation >= 95%)
const int PF_Fire = (1 << 4); // 16
const int PF_NONE = (1 << 5); // 32
const int PF_NoCEGTrail = (1 << 6); // 64
const int PF_NoHeatCloud= (1 << 7); // 128
const int PF_Recursive = (1 << 14); // 16384 (OTA-inherited COB scripts map [1<<8, 1<<13] to BITMAP* explosions)
class CSmokeTrailProjectile;
struct S3DModelPiece;
struct LocalModelPiece;
class CPieceProjectile: public CProjectile
{
CR_DECLARE_DERIVED(CPieceProjectile)
private:
CPieceProjectile() {}
public:
CPieceProjectile(
CUnit* owner,
LocalModelPiece* piece,
const float3& pos,
const float3& speed,
int flags,
float radius
);
void Update() override;
void Draw(GL::RenderDataBufferTC* va) const override;
void DrawOnMinimap(GL::RenderDataBufferC* va) override;
void Collision() override;
void Collision(CUnit* unit) override;
void Collision(CFeature* f) override;
int GetProjectilesCount() const override { return NUM_TRAIL_PARTS; }
float GetDrawAngle() const;
private:
void Collision(CUnit* unit, CFeature* feature);
public:
int age;
unsigned int explFlags;
constexpr static unsigned int TRAIL_SMOKE_TIME = 40;
constexpr static unsigned int NUM_TRAIL_PARTS = 8;
float4 fireTrailPoints[NUM_TRAIL_PARTS];
float3 spinVector;
float2 spinParams; // .x := speed, .y := angle
float3 oldSmokePos;
float3 oldSmokeDir;
const S3DModelPiece* modelPiece;
CSmokeTrailProjectile* smokeTrail;
};
#endif /* PIECE_PROJECTILE_H */
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