80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "BlockHandler.h"
|
||
|
|
#include "../BoundingBox.h"
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
class cBlockFenceHandler :
|
||
|
|
public cBlockHandler
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// These are the min and max coordinates (X and Z) for a straight fence.
|
||
|
|
// 0.4 and 0.6 are really just guesses, but they seem pretty good.
|
||
|
|
// (0.4 to 0.6 is a fence that's 0.2 wide, down the center of the block)
|
||
|
|
const double MIN_COORD = 0.4;
|
||
|
|
const double MAX_COORD = 0.6;
|
||
|
|
|
||
|
|
cBlockFenceHandler(BLOCKTYPE a_BlockType)
|
||
|
|
: cBlockHandler(a_BlockType)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual cBoundingBox GetPlacementCollisionBox(BLOCKTYPE a_XM, BLOCKTYPE a_XP, BLOCKTYPE a_YM, BLOCKTYPE a_YP, BLOCKTYPE a_ZM, BLOCKTYPE a_ZP) override
|
||
|
|
{
|
||
|
|
bool XMSolid = cBlockInfo::IsSolid(a_XM);
|
||
|
|
bool XPSolid = cBlockInfo::IsSolid(a_XP);
|
||
|
|
bool ZMSolid = cBlockInfo::IsSolid(a_ZM);
|
||
|
|
bool ZPSolid = cBlockInfo::IsSolid(a_ZP);
|
||
|
|
|
||
|
|
double FENCE_HEIGHT = cBlockInfo::GetBlockHeight(m_BlockType);
|
||
|
|
|
||
|
|
// Entities can never be in the center
|
||
|
|
cBoundingBox PlacementBox(MIN_COORD, MAX_COORD, 0, FENCE_HEIGHT, MIN_COORD, MAX_COORD);
|
||
|
|
|
||
|
|
// For each solid neighbor, the hitbox extends that way
|
||
|
|
if (XMSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(0, 0.5, 0, FENCE_HEIGHT, MIN_COORD, MAX_COORD));
|
||
|
|
}
|
||
|
|
if (XPSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(0.5, 1.0, 0, FENCE_HEIGHT, MIN_COORD, MAX_COORD));
|
||
|
|
}
|
||
|
|
if (ZMSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(MIN_COORD, MAX_COORD, 0, FENCE_HEIGHT, 0.0, 0.5));
|
||
|
|
}
|
||
|
|
if (ZPSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(MIN_COORD, MAX_COORD, 0, FENCE_HEIGHT, 0.5, 1.0));
|
||
|
|
}
|
||
|
|
|
||
|
|
// For each corner, fill in the corner
|
||
|
|
if (XMSolid && ZMSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(0, 0.5, 0, FENCE_HEIGHT, 0, 0.5));
|
||
|
|
}
|
||
|
|
if (XPSolid && ZMSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(0.5, 1.0, 0, FENCE_HEIGHT, 0, 0.5));
|
||
|
|
}
|
||
|
|
if (XPSolid && ZPSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(0.5, 1.0, 0, FENCE_HEIGHT, 0.5, 1.0));
|
||
|
|
}
|
||
|
|
if (XMSolid && ZPSolid)
|
||
|
|
{
|
||
|
|
PlacementBox = PlacementBox.Union(cBoundingBox(0, 0.5, 0, FENCE_HEIGHT, 0.5, 1.0));
|
||
|
|
}
|
||
|
|
|
||
|
|
return PlacementBox;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|