forked from Mirrors/openclonk
84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 1998-2000, Matthes Bender
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2009-2016, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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/* Basic classes for rectangles and vertex outlines */
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#ifndef INC_C4Shape
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#define INC_C4Shape
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#include "config/C4Constants.h"
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#include "lib/C4Rect.h"
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#define C4D_VertexCpyPos (C4D_MaxVertex/2)
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// a functional class to provide density for coordinates
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class C4DensityProvider
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{
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public:
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virtual int32_t GetDensity(int32_t x, int32_t y) const;
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virtual ~C4DensityProvider() {}
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};
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extern C4DensityProvider DefaultDensityProvider;
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class C4Shape : public C4Rect
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{
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public:
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// remember to adjust C4Shape::CopyFrom and CreateOwnOriginalCopy when adding members here!
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int32_t FireTop = 0;
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int32_t VtxNum = 0;
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int32_t VtxX[C4D_MaxVertex] = { 0 };
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int32_t VtxY[C4D_MaxVertex] = { 0 };
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int32_t VtxCNAT[C4D_MaxVertex] = { 0 };
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int32_t VtxFriction[C4D_MaxVertex] = { 0 };
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int32_t ContactDensity = C4M_Solid;
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int32_t ContactCNAT = 0;
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int32_t ContactCount = 0;
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int32_t AttachMat = MNone;
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int32_t VtxContactCNAT[C4D_MaxVertex] = { 0 };
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int32_t VtxContactMat[C4D_MaxVertex] = { 0 };
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int32_t iAttachX = 0, iAttachY = 0, iAttachVtx = 0;
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public:
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void Default();
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void Rotate(C4Real Angle, bool bUpdateVertices);
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void Stretch(int32_t iCon, bool bUpdateVertices);
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void Jolt(int32_t iCon, bool bUpdateVertices);
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void GetVertexOutline(C4Rect &rRect);
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int32_t GetVertexY(int32_t iVertex);
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int32_t GetVertexX(int32_t iVertex);
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int32_t GetX() const { return x; }
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int32_t GetY() const { return y; }
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bool AddVertex(int32_t iX, int32_t iY);
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bool CheckContact(int32_t cx, int32_t cy);
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bool ContactCheck(int32_t cx, int32_t cy, uint32_t *border_hack_contacts=0, bool collide_halfvehic=false);
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bool Attach(int32_t &cx, int32_t &cy, BYTE cnat_pos);
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bool LineConnect(int32_t tx, int32_t ty, int32_t cvtx, int32_t ld, int32_t oldx, int32_t oldy);
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bool InsertVertex(int32_t iPos, int32_t tx, int32_t ty);
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bool RemoveVertex(int32_t iPos);
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void CopyFrom(C4Shape rFrom, bool bCpyVertices, bool fCopyVerticesFromSelf);
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int32_t GetBottomVertex();
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int GetBottom(); // return lowest vertex Y
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int32_t GetVertexContact(int32_t iVtx, DWORD dwCheckMask, int32_t tx, int32_t ty, const C4DensityProvider &rDensityProvider = DefaultDensityProvider); // get CNAT-mask for given vertex - does not check range for iVtx!
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bool CheckScaleToWalk(int x, int y);
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void CreateOwnOriginalCopy(C4Shape &rFrom); // create copy of all vertex members in back area of own buffers
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void CompileFunc(StdCompiler *pComp, const C4Shape *default_shape);
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private:
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bool CheckTouchableMaterial(int32_t x, int32_t y, int32_t vtx_i, int32_t y_dir = 0, const C4DensityProvider &rDensityProvider = DefaultDensityProvider);
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};
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#endif // INC_C4Shape
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