C++ (Cpp) canPlaceDecoration示例

示例#1

文件： mg_decoration.cpp 项目： 1CoreyDev1/minetest

void DecoSimple::generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p)
{
	ManualMapVoxelManipulator *vm = mg->vm;

	if (!canPlaceDecoration(vm, p))
		return;

	content_t c_place = c_decos[pr->range(0, c_decos.size() - 1)];

	s16 height = (deco_height_max > 0) ?
		pr->range(deco_height, deco_height_max) : deco_height;

	height = MYMIN(height, max_y - p.Y);

	v3s16 em = vm->m_area.getExtent();
	u32 vi = vm->m_area.index(p);
	for (int i = 0; i < height; i++) {
		vm->m_area.add_y(em, vi, 1);

		content_t c = vm->m_data[vi].getContent();
		if (c != CONTENT_AIR && c != CONTENT_IGNORE)
			break;

		vm->m_data[vi] = MapNode(c_place);
	}
}

示例#2

文件： mg_decoration.cpp 项目： maksimkurb/minetest

size_t DecoSimple::generate(MMVManip *vm, PseudoRandom *pr, v3s16 p)
{
	if (!canPlaceDecoration(vm, p))
		return 0;

	content_t c_place = c_decos[pr->range(0, c_decos.size() - 1)];

	s16 height = (deco_height_max > 0) ?
		pr->range(deco_height, deco_height_max) : deco_height;

	v3s16 em = vm->m_area.getExtent();
	u32 vi = vm->m_area.index(p);
	for (int i = 0; i < height; i++) {
		vm->m_area.add_y(em, vi, 1);

		content_t c = vm->m_data[vi].getContent();
		if (c != CONTENT_AIR && c != CONTENT_IGNORE)
			break;

		vm->m_data[vi] = MapNode(c_place);
	}

	return 1;
}