272 lines
12 KiB
C
272 lines
12 KiB
C
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#if !defined(CM_LANDSCAPE_H_INC)
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#define CM_LANDSCAPE_H_INC
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#pragma warning (push, 3) //go back down to 3 for the stl include
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#include <list>
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#pragma warning (pop)
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using namespace std;
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// These are the root classes using data shared in both the server and the renderer.
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// This common data is also available to physics
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#define HEIGHT_RESOLUTION 256
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// Trying to make a guess at the optimal step through the patches
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// This is the average of 1 side and the diagonal presuming a square patch
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#define TERRAIN_STEP_MAGIC (1.0f / 1.2071f)
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#define MIN_TERXELS 2
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#define MAX_TERXELS 8
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// Defined as 1 << (sqrt(MAX_TERXELS) + 1)
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#define MAX_VARIANCE_SIZE 16
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// Maximum number of instances to pick from an instance file
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#define MAX_INSTANCE_TYPES 16
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// Types of areas
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typedef enum
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{
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AT_NONE,
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AT_FLAT,
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AT_BSP,
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AT_NPC,
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AT_GROUP,
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AT_RIVER,
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AT_OBJECTIVE,
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AT_PLAYER,
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} areaType_t;
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class CArea
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{
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private:
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vec3_t mPosition;
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float mRadius;
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float mAngle;
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float mAngleDiff;
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int mType;
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int mVillageID;
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public:
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CArea(void) {}
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~CArea(void) {}
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void Init(vec3_t pos, float radius, float angle = 0.0f, int type = AT_NONE, float angleDiff = 0.0f, int villageID = 0)
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{
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VectorCopy(pos, mPosition);
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mRadius = radius;
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mAngle = angle;
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mAngleDiff = angleDiff;
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mType = type;
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mVillageID = villageID;
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}
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float GetRadius(void) const { return(mRadius); }
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float GetAngle(void) const { return(mAngle); }
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float GetAngleDiff(void) const { return(mAngleDiff); }
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vec3_t &GetPosition(void) { return(mPosition); }
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int GetType(void) const { return(mType); }
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int GetVillageID(void) const { return(mVillageID); }
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};
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typedef list<CArea*> areaList_t;
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typedef list<CArea*>::iterator areaIter_t;
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class CCMHeightDetails
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{
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private:
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int mContents;
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int mSurfaceFlags;
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public:
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CCMHeightDetails(void) {}
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~CCMHeightDetails(void) {}
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// Accessors
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const int GetSurfaceFlags(void) const { return(mSurfaceFlags); }
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const int GetContents(void) const { return(mContents); }
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void SetFlags(const int con, const int sf) { mContents = con; mSurfaceFlags = sf; }
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};
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class CCMPatch
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{
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protected:
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class CCMLandScape *owner; // Owning landscape
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int mHx, mHy; // Terxel coords of patch
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byte *mHeightMap; // Pointer to height map to use
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byte mCornerHeights[4]; // Heights at the corners of the patch
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vec3_t mWorldCoords; // World coordinate offset of this patch.
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vec3pair_t mBounds; // mins and maxs of the patch for culling
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int mNumBrushes; // number of brushes to collide with in the patch
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struct cbrush_s *mPatchBrushData; // List of brushes that make up the patch
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int mSurfaceFlags; // surfaceflag of the heightshader
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int mContentFlags; // contents of the heightshader
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public:
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// Constructors
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CCMPatch(void) {}
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~CCMPatch(void);
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// Accessors
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const vec3_t &GetWorld(void) const { return(mWorldCoords); }
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const vec3_t &GetMins(void) const { return(mBounds[0]); }
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const vec3_t &GetMaxs(void) const { return(mBounds[1]); }
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const vec3pair_t &GetBounds(void) const { return(mBounds); }
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const int GetHeightMapX(void) const { return(mHx); }
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const int GetHeightMapY(void) const { return(mHy); }
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const int GetHeight(int corner) const { return(mCornerHeights[corner]); }
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const int GetNumBrushes(void) const { return(mNumBrushes); }
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struct cbrush_s *GetCollisionData(void) const { return(mPatchBrushData); }
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void SetSurfaceFlags(const int in) { mSurfaceFlags = in; }
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const int GetSurfaceFlags(void) const { return(mSurfaceFlags); }
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void SetContents(const int in) { mContentFlags = in; }
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const int GetContents(void) const { return(mContentFlags); }
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// Prototypes
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void Init(CCMLandScape *ls, int heightX, int heightY, vec3_t world, byte *hMap, byte *patchBrushData);
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void InitPlane(struct cbrushside_s *side, cplane_t *plane, vec3_t p0, vec3_t p1, vec3_t p2);
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void CreatePatchPlaneData(void);
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void* GetAdjacentBrushX ( int x, int y );
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void* GetAdjacentBrushY ( int x, int y );
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};
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class CRandomTerrain;
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class CCMLandScape
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{
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private:
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int mRefCount; // Number of times this class is referenced
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thandle_t mTerrainHandle;
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byte *mHeightMap; // Pointer to byte array of height samples
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byte *mFlattenMap; // Pointer to byte array of flatten samples
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int mWidth, mHeight; // Width and height of heightMap excluding the 1 pixel edge
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int mTerxels; // Number of terxels per patch side
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vec3_t mTerxelSize; // Vector to scale heightMap samples to real world coords
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vec3pair_t mBounds; // Real world bounds of terrain brush
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vec3_t mSize; // Size of terrain brush in real world coords excluding 1 patch edge
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vec3_t mPatchSize; // Size of each patch in the x and y directions only
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float mPatchScalarSize; // Horizontal size of the patch
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int mBlockWidth, mBlockHeight; // Width and height of heightfield on blocks
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CCMPatch *mPatches;
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byte *mPatchBrushData; // Base memory from which the patch brush data is taken
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bool mHasPhysics; // Set to true unless disabled
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CRandomTerrain *mRandomTerrain;
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int mBaseWaterHeight; // Base water height in terxels
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float mWaterHeight; // Real world height of the water
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int mWaterContents; // Contents of the water shader
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int mWaterSurfaceFlags; // Surface flags of the water shader
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unsigned long holdrand;
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list<CArea *> mAreas; // List of flattened areas on this landscape
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list<CArea *>::iterator mAreasIt;
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CCMHeightDetails mHeightDetails[HEIGHT_RESOLUTION]; // Surfaceflags per height
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vec3_t *mCoords; // Temp storage for real world coords
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public:
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CCMLandScape(const char *configstring, bool server);
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~CCMLandScape(void);
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CCMPatch *GetPatch(int x, int y);
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// Prototypes
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void PatchCollide(struct traceWork_s *tw, trace_t &trace, const vec3_t start, const vec3_t end, int checkcount);
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void TerrainPatchIterate(void (*IterateFunc)( CCMPatch *, void * ), void *userdata) const;
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float GetWorldHeight(vec3_t origin, const vec3pair_t bounds, bool aboveGround) const;
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float WaterCollide(const vec3_t begin, const vec3_t end, float fraction) const;
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void UpdatePatches(void);
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void GetTerxelLocalCoords ( int x, int y, vec3_t coords[8] );
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void LoadTerrainDef(const char *td);
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void SetShaders(int height, class CCMShader *shader);
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void FlattenArea(CArea *area, int height, bool save, bool forceHeight, bool smooth);
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void CarveLine ( vec3_t start, vec3_t end, int depth, int width );
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void CarveBezierCurve ( int numCtlPoints, vec3_t* ctlPoints, int steps, int depth, int size );
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void SaveArea(CArea *area);
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float FractionBelowLevel(CArea *area, int height);
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bool AreaCollision(CArea *area, int *areaTypes, int areaTypeCount);
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CArea *GetFirstArea(void);
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CArea *GetFirstObjectiveArea(void);
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CArea *GetPlayerArea(void);
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CArea *GetNextArea(void);
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CArea *GetNextObjectiveArea(void);
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// Accessors
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const int GetRefCount(void) const { return(mRefCount); }
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void IncreaseRefCount(void) { mRefCount++; }
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void DecreaseRefCount(void) { mRefCount--; }
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const vec3pair_t &GetBounds(void) const { return(mBounds); }
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const vec3_t &GetMins(void) const { return(mBounds[0]); }
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const vec3_t &GetMaxs(void) const { return(mBounds[1]); }
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const vec3_t &GetSize(void) const { return(mSize); }
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const vec3_t &GetTerxelSize(void) const { return(mTerxelSize); }
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const vec3_t &GetPatchSize(void) const { return(mPatchSize); }
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const float GetPatchWidth(void) const { return(mPatchSize[0]); }
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const float GetPatchHeight(void) const { return(mPatchSize[1]); }
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const float GetPatchScalarSize(void) const { return(mPatchScalarSize); }
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const int GetTerxels(void) const { return(mTerxels); }
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const int GetRealWidth(void) const { return(mWidth + 1); }
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const int GetRealHeight(void) const { return(mHeight + 1); }
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const int GetRealArea(void) const { return((mWidth + 1) * (mHeight + 1)); }
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const int GetWidth(void) const { return(mWidth); }
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const int GetHeight(void) const { return(mHeight); }
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const int GetArea(void) const { return(mWidth * mHeight); }
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const int GetBlockWidth(void) const { return(mBlockWidth); }
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const int GetBlockHeight(void) const { return(mBlockHeight); }
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const int GetBlockCount(void) const { return(mBlockWidth * mBlockHeight); }
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byte *GetHeightMap(void) const { return(mHeightMap); }
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byte *GetFlattenMap(void) const { return(mFlattenMap); }
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const thandle_t GetTerrainId(void) const { return(mTerrainHandle); }
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void SetTerrainId(const thandle_t terrainId) { mTerrainHandle = terrainId; }
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const float CalcWorldHeight(int height) const { return((height * mTerxelSize[2]) + mBounds[0][2]); }
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const bool GetHasPhysics(void) const { return(mHasPhysics); }
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const bool GetIsRandom(void) const { return(mRandomTerrain != 0); }
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const int GetSurfaceFlags(int height) const { return(mHeightDetails[height].GetSurfaceFlags()); }
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const int GetContentFlags(int height) const { return(mHeightDetails[height].GetContents()); }
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void CalcRealCoords(void);
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vec3_t *GetCoords(void) const { return(mCoords); }
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int GetBaseWaterHeight(void) const { return(mBaseWaterHeight); }
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void SetRealWaterHeight(int height) { mWaterHeight = height * mTerxelSize[2]; }
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float GetWaterHeight(void) const { return(mWaterHeight); }
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int GetWaterContents(void) const { return(mWaterContents); }
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int GetWaterSurfaceFlags(void) const { return(mWaterSurfaceFlags); }
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CRandomTerrain *GetRandomTerrain(void) { return mRandomTerrain; }
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void rand_seed(int seed);
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unsigned long get_rand_seed(void) { return holdrand; }
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float flrand(float min, float max);
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int irand(int min, int max);
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};
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void CM_TerrainPatchIterate(const class CCMLandScape *ls, void (*IterateFunc)( CCMPatch *, void * ), void *userdata);
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class CCMLandScape *CM_InitTerrain(const char *configstring, thandle_t terrainId, bool server);
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float CM_GetWorldHeight(const CCMLandScape *landscape, vec3_t origin, const vec3pair_t bounds, bool aboveGround);
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void CM_FlattenArea(CCMLandScape *landscape, CArea *area, int height, bool save, bool forceHeight, bool smooth);
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void CM_CarveBezierCurve (CCMLandScape *landscape, int numCtls, vec3_t* ctls, int steps, int depth, int size );
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void CM_SaveArea(CCMLandScape *landscape, CArea *area);
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float CM_FractionBelowLevel(CCMLandScape *landscape, CArea *area, int height);
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bool CM_AreaCollision(class CCMLandScape *landscape, class CArea *area, int *areaTypes, int areaTypeCount);
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CArea *CM_GetFirstArea(CCMLandScape *landscape);
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CArea *CM_GetFirstObjectiveArea(CCMLandScape *landscape);
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CArea *CM_GetPlayerArea(class CCMLandScape *common);
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CArea *CM_GetNextArea(CCMLandScape *landscape);
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CArea *CM_GetNextObjectiveArea(CCMLandScape *landscape);
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void CM_CircularIterate(byte *data, int width, int height, int xo, int yo, int insideRadius, int outsideRadius, int *user, void (*callback)(byte *, float, int *));
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CRandomTerrain *CreateRandomTerrain(const char *config, CCMLandScape *landscape, byte *heightmap, int width, int height);
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void SV_LoadMissionDef(const char *configstring, class CCMLandScape *landscape);
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void CL_CreateRandomTerrain(const char *config, class CCMLandScape *landscape, byte *image, int width, int height);
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void CL_LoadInstanceDef(const char *configstring, class CCMLandScape *landscape);
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void CL_LoadMissionDef(const char *configstring, class CCMLandScape *landscape);
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extern cvar_t *com_terrainPhysics;
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#endif
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// end
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