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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef SHIELD_PROJECTILE_H
#define SHIELD_PROJECTILE_H
#include "Sim/Projectiles/Projectile.h"
#include "System/float3.h"
#include "System/type2.h"
#include "System/Color.h"
class CUnit;
class CPlasmaRepulser;
struct WeaponDef;
struct AtlasedTexture;
class ShieldSegmentProjectile;
class ShieldSegmentCollection
{
CR_DECLARE_STRUCT(ShieldSegmentCollection)
public:
// creg only
ShieldSegmentCollection() {}
ShieldSegmentCollection(CPlasmaRepulser* shield) { Init(shield); }
ShieldSegmentCollection(ShieldSegmentCollection&& ssc) { *this = std::move(ssc); }
~ShieldSegmentCollection() { Kill(); }
ShieldSegmentCollection& operator=(ShieldSegmentCollection&& ssc) noexcept;
void Init(CPlasmaRepulser*);
void Kill();
void Update();
void UpdateColor();
bool AllowDrawing();
const CPlasmaRepulser* GetShield() const { return shield; }
const AtlasedTexture* GetShieldTexture() const { return shieldTexture; }
float3 GetShieldDrawPos() const;
SColor GetColor() const { return color; }
float GetSize() const { return size; }
void PostLoad();
public:
static constexpr unsigned int NUM_SEGMENTS_X = 6;
static constexpr unsigned int NUM_SEGMENTS_Y = 4;
private:
bool UsingPerlinNoise() const;
const CPlasmaRepulser* shield = nullptr;
const AtlasedTexture* shieldTexture = nullptr;
int lastAllowDrawFrame = -1;
bool allowDrawing = false;
float size = 0.0f;
SColor color;
// NOTE: these are also registered in ProjectileHandler
std::vector<ShieldSegmentProjectile*> shieldSegments;
};
class ShieldSegmentProjectile: public CProjectile
{
CR_DECLARE_DERIVED(ShieldSegmentProjectile)
public:
ShieldSegmentProjectile() { }
ShieldSegmentProjectile(
ShieldSegmentCollection* collection,
const WeaponDef* shieldWeaponDef,
const float3& shieldSegmentPos,
int xpart,
int ypart
);
void Draw(GL::RenderDataBufferTC* va) const override;
void Update() override;
void PreDelete() {
collection = nullptr;
deleteMe = true;
}
void Reload(
ShieldSegmentCollection* collection,
const int xpart,
const int ypart
);
int GetProjectilesCount() const override { return ((NUM_VERTICES_Y - 1) * (NUM_VERTICES_X - 1)); }
public:
static constexpr unsigned int NUM_VERTICES_X = 5;
static constexpr unsigned int NUM_VERTICES_Y = 3;
private:
static const float3* GetSegmentVertices(const int xpart, const int ypart);
static const float2* GetSegmentTexCoords(const AtlasedTexture* texture, const int xpart, const int ypart);
private:
ShieldSegmentCollection* collection;
const float3* vertices;
const float2* texCoors;
};
#endif
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