Biome Classes

Application/Biome.cpp

@@ -0,0 +1,64 @@
+
+#include <Biome.h>
+#include "Block.h"
+#include "Chunk.h"
+#include "Maths/Vec3.h"
+#include <utility>
+
+Biome::Biome(std::uint32_t filler, std::uint32_t water_level, std::map<std::uint32_t, std::pair<BlockPlacementType, std::vector<BlockType>>> blocks): filler(filler), water_level(water_level), c_blockmap(blocks)
+{
+	for (const auto& [height, BlockPlacement] : blocks)
+	{
+		const auto& [PlacementType, Blocks] = BlockPlacement;
+		if (PlacementType == BlockPlacementType::PseudoRandom && Blocks.size() < 2)
+			Scop::FatalError("A biome have a Multiple block placement but less than 2 blocks was given");
+	}
+}
+
+const std::array<std::uint32_t, CHUNK_SIZE.y> Biome::GetBiomeBlocks(const std::uint32_t height, Scop::Vec2i pos)	
+{
+	std::array<std::uint32_t, CHUNK_SIZE.y> data;
+
+	auto it = c_blockmap.lower_bound(height);
+
+	if (it == c_blockmap.end())
+		Scop::FatalError("Biome declaration does not have a value for a certain generated height");
+	for(std::uint32_t y = 0; y < std::min(height, CHUNK_SIZE.y); y++)
+	{
+		if(y > std::min(height, CHUNK_SIZE.y) - 2)
+		{
+			data[y] = static_cast<std::uint32_t>(BlockType::Dirt);
+			continue;
+			const auto& [placementType, blockTypes] = it->second;
+			switch (static_cast<std::uint8_t>(placementType))
+			{
+				case(static_cast<std::uint8_t>(BlockPlacementType::Simple)):
+				{
+					data[y] = static_cast<std::uint32_t>(blockTypes.front());
+					break;
+				}
+				case(static_cast<std::uint8_t>(BlockPlacementType::PseudoRandom)):
+				{
+					float weight = sin(2 * (pos.x * pos.y)) + sin(Scop::Pi<float>() * (pos.x * pos.y));
+					if (weight > 0.0f)
+						data[y] = static_cast<std::uint32_t>(blockTypes.at(0));
+					else
+						data[y] = static_cast<std::uint32_t>(blockTypes.at(1));
+					break;
+				}
+				default:
+					data[y] = static_cast<std::uint32_t>(BlockType::Stone);
+			}
+		}
+		else
+		{
+			data[y] = filler;
+		}
+	}
+	for(std::uint32_t y = 0; y < water_level; y++)
+	{
+		if(data[y] == static_cast<std::uint32_t>(BlockType::Air))
+			data[y] = static_cast<std::uint32_t>(BlockType::Water);
+	}
+	return data;
+}