forked from 0ad/0ad
janwas
3c411dd174
(mostly passing arguments by const reference and checking LibError return codes) This was SVN commit r6214.
68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
/**
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* =========================================================================
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* File : Patch.cpp
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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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#include "precompiled.h"
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#include "Patch.h"
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#include "Terrain.h"
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///////////////////////////////////////////////////////////////////////////////
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// CPatch constructor
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CPatch::CPatch()
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: m_Parent(0), m_bWillBeDrawn(false)
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{
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}
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///////////////////////////////////////////////////////////////////////////////
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// CPatch destructor
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CPatch::~CPatch()
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{
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}
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///////////////////////////////////////////////////////////////////////////////
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// Initialize: setup patch data
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void CPatch::Initialize(CTerrain* parent,ssize_t x,ssize_t z)
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{
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delete m_RenderData;
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m_RenderData=0;
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m_Parent=parent;
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m_X=x;
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m_Z=z;
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// set parent of each patch
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for (ssize_t j=0;j<PATCH_SIZE;j++)
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{
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for (ssize_t i=0;i<PATCH_SIZE;i++)
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{
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m_MiniPatches[j][i].m_Parent=this;
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}
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}
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InvalidateBounds();
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}
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///////////////////////////////////////////////////////////////////////////////
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// CalcBounds: calculating the bounds of this patch
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void CPatch::CalcBounds()
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{
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m_Bounds.SetEmpty();
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for (ssize_t j=0;j<PATCH_SIZE+1;j++)
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{
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for (ssize_t i=0;i<PATCH_SIZE+1;i++)
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{
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CVector3D pos;
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m_Parent->CalcPosition(m_X*PATCH_SIZE+i,m_Z*PATCH_SIZE+j,pos);
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m_Bounds+=pos;
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}
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}
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}
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