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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef SMFREADMAP_H
#define SMFREADMAP_H
#include "SMFMapFile.h"
#include "Map/ReadMap.h"
#include "System/EventClient.h"
#include "System/type2.h"
class CSMFGroundDrawer;
class CSMFReadMap : public CReadMap, public CEventClient
{
public:
// CEventClient interface
int GetReadAllyTeam() const { return AllAccessTeam; }
bool WantsEvent(const std::string& eventName) {
return (eventName == "SunChanged");
}
void SunChanged(const float3& sunDir);
public:
CR_DECLARE(CSMFReadMap)
CSMFReadMap(std::string mapname);
~CSMFReadMap();
void UpdateShadingTexture();
void UpdateHeightMapUnsynced(const SRectangle&);
unsigned int GetDetailTexture() const { return detailTex; }
unsigned int GetMiniMapTexture() const { return minimapTex; }
int2 GetMiniMapTextureSize() const { return int2(1024, 1024); }
unsigned int GetShadingTexture() const { return shadingTex; }
unsigned int GetNormalsTexture() const { return normalsTex; }
unsigned int GetSpecularTexture() const { return specularTex; }
unsigned int GetGrassShadingTexture() const { return grassShadingTex; }
unsigned int GetSplatDetailTexture() const { return splatDetailTex; }
unsigned int GetSplatDistrTexture() const { return splatDistrTex; }
unsigned int GetSkyReflectModTexture() const { return skyReflectModTex; }
unsigned int GetDetailNormalTexture() const { return detailNormalTex; }
unsigned int GetLightEmissionTexture() const { return lightEmissionTex; }
unsigned int GetParallaxHeightTexture() const { return parallaxHeightTex; }
void DrawMinimap() const;
void GridVisibility(CCamera* cam, int quadSize, float maxdist, IQuadDrawer* cb, int extraSize);
void NewGroundDrawer();
int GetNumFeatureTypes();
int GetNumFeatures();
void GetFeatureInfo(MapFeatureInfo* f); // returns all feature info in MapFeatureInfo[NumFeatures]
const char* GetFeatureTypeName(int typeID);
unsigned char* GetInfoMap(const std::string& name, MapBitmapInfo* bm);
void FreeInfoMap(const std::string& name, unsigned char* data);
// NOTE: do not use, just here for backward compatibility with SMFGroundTextures.cpp
CSMFMapFile& GetFile() { return file; }
void ConfigureAnisotropy();
float GetAnisotropy() const { return anisotropy; }
bool HaveSpecularTexture() const { return haveSpecularTexture; }
bool HaveSplatTexture() const { return haveSplatTexture; }
private:
void ParseHeader();
void LoadHeightMap();
void LoadMinimap();
void InitializeWaterHeightColors();
void CreateSpecularTex();
void CreateSplatDetailTextures();
void CreateGrassTex();
void CreateDetailTex();
void CreateShadingTex();
void CreateNormalTex();
void UpdateVertexNormalsUnsynced(const SRectangle& update);
void UpdateFaceNormalsUnsynced(const SRectangle& update);
void UpdateNormalTexture(const SRectangle& update);
void UpdateShadingTexture(const SRectangle& update);
inline void UpdateShadingTexPart(int idx1, int idx2, unsigned char* dst) const;
inline CBaseGroundDrawer* GetGroundDrawer();
inline const float GetCenterHeightUnsynced(const int x, const int y) const;
inline float DiffuseSunCoeff(const int x, const int y) const;
inline float3 GetLightValue(const int x, const int y) const;
void ParseSMD(std::string filename);
public:
// constants
static const int tileScale = 4;
static const int bigSquareSize = 128; // 32 * tileScale
// globals for SMFGround{Drawer, Textures}
int numBigTexX;
int numBigTexY;
int bigTexSize;
int tileMapSizeX;
int tileMapSizeY;
int tileCount;
int mapSizeX;
int mapSizeZ;
int maxHeightMapIdx;
int heightMapSizeX;
int2 normalTexSize;
protected:
CSMFMapFile file;
unsigned int detailTex; // supplied by the map
unsigned int specularTex; // supplied by the map, moderates specular contribution
unsigned int shadingTex; // holds precomputed dot(lightDir, vertexNormal) values
unsigned int normalsTex; // holds vertex normals in RGBA32F internal format (GL_RGBA + GL_FLOAT)
unsigned int minimapTex; // supplied by the map
unsigned int splatDetailTex; // contains per-channel separate greyscale detail-textures (overrides detailTex)
unsigned int splatDistrTex; // specifies the per-channel distribution of splatDetailTex (map-wide, overrides detailTex)
unsigned int grassShadingTex; // specifies grass-blade modulation color (defaults to minimapTex)
unsigned int skyReflectModTex; // modulates sky-reflection RGB intensities (must be the same size as specularTex)
unsigned int detailNormalTex; // tangent-space offset normals
unsigned int lightEmissionTex;
unsigned int parallaxHeightTex;
bool haveSpecularTexture;
bool haveSplatTexture;
unsigned char waterHeightColors[1024 * 4];
CSMFGroundDrawer* groundDrawer;
private:
std::vector<float> cornerHeightMapSynced;
std::vector<float> cornerHeightMapUnsynced;
std::vector<unsigned char> shadingTexBuffer;
bool shadingTexUpdateNeeded;
int shadingTexUpdateProgress;
float anisotropy;
};
#endif
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