81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/**
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* =========================================================================
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* File : Patch.h
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* Project : 0 A.D.
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* Description : A patch of terrain holding NxN MiniPatch tiles
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* =========================================================================
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*/
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#ifndef INCLUDED_PATCH
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#define INCLUDED_PATCH
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#include "MiniPatch.h"
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#include "RenderableObject.h"
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class CTerrain;
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///////////////////////////////////////////////////////////////////////////////
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// Terrain Constants:
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//
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// PATCH_SIZE: number of tiles in each patch
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const int PATCH_SIZE = 16;
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///////////////////////////////////////////////////////////////////////////////
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// CPatchNeightbors: neightbor - IDs for CPatch
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#define CPATCH_NEIGHTBOR_LEFT_TOP 0
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#define CPATCH_NEIGHTBOR_TOP 1
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#define CPATCH_NEIGHTBOR_RIGHT_TOP 2
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#define CPATCH_NEIGHTBOR_LEFT 3
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#define CPATCH_NEIGHTBOR_RIGHT 4
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#define CPATCH_NEIGHTBOR_LEFT_BOTTOM 5
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#define CPATCH_NEIGHTBOR_BOTTOM 6
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#define CPATCH_NEIGHTBOR_RIGHT_BOTTOM 7
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///////////////////////////////////////////////////////////////////////////////
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// CPatch: a single terrain patch, PATCH_SIZE tiles square
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class CPatch : public CRenderableObject
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{
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public:
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// constructor
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CPatch();
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// destructor
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~CPatch();
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// initialize the patch
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void Initialize(CTerrain* parent,u32 x,u32 z);
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// calculate and store bounds of this patch
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void CalcBounds();
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// neightbors of this patch
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CPatch *m_Neightbors[8];
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// is alread in the DrawList
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bool m_bWillBeDrawn;
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public:
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// minipatches (tiles) making up the patch
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CMiniPatch m_MiniPatches[PATCH_SIZE][PATCH_SIZE];
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// position of patch in parent terrain grid
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u32 m_X,m_Z;
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// parent terrain
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CTerrain* m_Parent;
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// draw state...
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void resetDrawState() { this->m_bWillBeDrawn = false; }
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void setDrawState()
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{
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for(int i=0;i<8;i++)
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{
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if(m_Neightbors[i])
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m_Neightbors[i]->m_bWillBeDrawn = true;
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}
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m_bWillBeDrawn = true;
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}
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bool getDrawState() { return this->m_bWillBeDrawn; }
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};
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#endif
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