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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef I_WATER_H
#define I_WATER_H
#include "System/float4.h"
#include "Sim/Projectiles/ExplosionListener.h"
class CGame;
class IWater : public IExplosionListener
{
public:
enum {
WATER_RENDERER_LUA = 0,
WATER_RENDERER_REFLECTIVE = 1,
WATER_RENDERER_DYNAMIC = 2,
WATER_RENDERER_REFRACTIVE = 3,
WATER_RENDERER_BUMPMAPPED = 4,
NUM_WATER_RENDERERS = 5,
};
IWater(bool wantEvents = true);
virtual ~IWater() {}
virtual void Draw() {}
virtual void Update() {}
virtual void UpdateWater(CGame* game) {}
virtual void OcclusionQuery() {}
virtual void AddExplosion(const float3& pos, float strength, float size) {}
virtual int GetID() const { return -1; }
virtual const char* GetName() const { return ""; }
void ExplosionOccurred(const CExplosionParams& event) override;
bool DrawReflectionPass() const { return drawReflection; }
bool DrawRefractionPass() const { return drawRefraction; }
bool BlockWakeProjectiles() const { return (GetID() == WATER_RENDERER_DYNAMIC); }
bool& WireFrameModeRef() { return wireFrameMode; }
static IWater* GetWater(IWater* curRenderer, int nxtRendererMode);
static void ApplyPushedChanges(CGame* game);
static void PushWaterMode(int nxtRendererMode);
static constexpr int ClipPlaneIndex() { return 2; }
// BumpWater defaults; use d>0 to hide shoreline cracks
static constexpr float4 MapNullClipPlane() { return {0.0f, 0.0f, 0.0f, 0.0f}; }
static constexpr float4 MapReflClipPlane() { return {0.0f, 1.0f, 0.0f, 5.0f}; }
static constexpr float4 MapRefrClipPlane() { return {0.0f, -1.0f, 0.0f, 5.0f}; }
static constexpr float4 ModelNullClipPlane() { return {0.0f, 0.0f, 0.0f, 0.0f}; }
static constexpr float4 ModelReflClipPlane() { return {0.0f, 1.0f, 0.0f, 0.0f}; }
static constexpr float4 ModelRefrClipPlane() { return {0.0f, -1.0f, 0.0f, 0.0f}; }
protected:
void DrawReflections(bool drawGround, bool drawSky);
void DrawRefractions(bool drawGround, bool drawSky);
protected:
bool drawReflection = false;
bool drawRefraction = false;
bool wireFrameMode = false;
};
extern IWater* water;
#endif // I_WATER_H
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