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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef GROUND_FLASH_H
#define GROUND_FLASH_H
#include "Sim/Projectiles/ExpGenSpawnable.h"
#include "Sim/Projectiles/ExplosionGenerator.h"
#include "System/Color.h"
struct AtlasedTexture;
struct GroundFlashInfo;
class CColorMap;
class CVertexArray;
class CGroundFlash : public CExpGenSpawnable
{
public:
CR_DECLARE(CGroundFlash)
CGroundFlash(const float3& _pos);
CGroundFlash();
virtual ~CGroundFlash() {}
virtual void Draw(CVertexArray* va) {}
/// @return false when it should be deleted
virtual bool Update() { return false; }
virtual void Init(const CUnit* owner, const float3& offset) {}
float3 CalcNormal(const float3 midPos, const float3 camDir, float quadSize) const;
protected:
static bool GetMemberInfo(SExpGenSpawnableMemberInfo& memberInfo);
public:
float size;
bool depthTest;
bool depthMask;
};
class CStandardGroundFlash : public CGroundFlash
{
public:
CR_DECLARE_DERIVED(CStandardGroundFlash)
CStandardGroundFlash();
CStandardGroundFlash(const float3& pos, const GroundFlashInfo& info);
CStandardGroundFlash(
const float3& pos,
float _circleAlpha,
float _flashAlpha,
float _flashSize,
float _circleGrowth,
float _ttl,
const float3& _color = float3(1.0f, 1.0f, 0.7f)
);
void InitCommon(const float3& _pos, const float3& _color);
void Draw(CVertexArray* va) override;
bool Update() override;
static bool GetMemberInfo(SExpGenSpawnableMemberInfo& memberInfo);
private:
float3 side1;
float3 side2;
int ttl;
float flashSize;
float circleSize;
float circleGrowth;
float circleAlpha;
float flashAlpha;
float flashAge;
float flashAgeSpeed;
float circleAlphaDec;
SColor color;
};
/**
* A simple groundflash, using a texture and a colormap, used in
* the custom explosion-generator (unlike CStandardGroundFlash)
*/
class CSimpleGroundFlash : public CGroundFlash
{
public:
CR_DECLARE_DERIVED(CSimpleGroundFlash)
CSimpleGroundFlash();
void Init(const CUnit* owner, const float3& offset) override;
void Draw(CVertexArray* va) override;
bool Update() override;
static bool GetMemberInfo(SExpGenSpawnableMemberInfo& memberInfo);
private:
float3 side1;
float3 side2;
float sizeGrowth;
int ttl;
float age, agerate;
CColorMap* colorMap;
AtlasedTexture* texture;
};
/**
* A simple groundflash, only creating one quad with specified texture.
* This one also sets alwaysVisible=true because it is used by the
* seismic effect, so do not use it (or fix it) for things that should
* be affected by LOS.
*/
class CSeismicGroundFlash : public CGroundFlash
{
public:
CR_DECLARE_DERIVED(CSeismicGroundFlash)
CSeismicGroundFlash(
const float3& _pos,
int _ttl,
int _fade,
float _size,
float _sizeGrowth,
float _alpha,
const float3& _color
);
void Draw(CVertexArray* va) override;
/// @return false when it should be deleted
bool Update() override;
private:
float3 side1;
float3 side2;
AtlasedTexture* texture;
float sizeGrowth;
float alpha;
int fade;
int ttl;
SColor color;
};
#endif /* GROUND_FLASH_H */
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