A lot of changes in almost all files

2022-02-28 02:30:15 +03:00
parent cd3e737385
commit bc9d29cf68
28 changed files with 3485 additions and 476 deletions
@@ -0,0 +1,209 @@
+#include "ChunksController.h"
+#include "Chunk.h"
+#include "Chunks.h"
+#include "WorldGenerator.h"
+#include "../graphics/Mesh.h"
+#include "../graphics/VoxelRenderer.h"
+#include "../lighting/Lighting.h"
+#include "../files/WorldFiles.h"
+#include "ChunksLoader.h"
+#include <iostream>
+
+#define LOADERS_COUNT 3
+
+ChunksController::ChunksController(Chunks* chunks, Lighting* lighting) : chunks(chunks), lighting(lighting){
+	loaders = new ChunksLoader*[LOADERS_COUNT];
+	for (int i = 0; i < LOADERS_COUNT; i++){
+		loaders[i] = new ChunksLoader();
+	}
+}
+
+ChunksController::~ChunksController(){
+	for (int i = 0; i < LOADERS_COUNT; i++)
+		delete loaders[i];
+	delete[] loaders;
+}
+
+bool ChunksController::loadVisible(WorldFiles* worldFiles){
+	const int w = chunks->w;
+	const int h = chunks->h;
+	const int d = chunks->d;
+	const int ox = chunks->ox;
+	const int oy = chunks->oy;
+	const int oz = chunks->oz;
+	int nearX = 0;
+	int nearY = 0;
+	int nearZ = 0;
+	int minDistance = (w/2)*(w/2);
+	for (int y = 0; y < h; y++){
+		for (int z = 2; z < d-2; z++){
+			for (int x = 2; x < w-2; x++){
+				int index = (y * d + z) * w + x;
+				Chunk* chunk = chunks->chunks[index];
+				if (chunk != nullptr)
+					continue;
+				int lx = x - w / 2;
+				int ly = y - h / 2;
+				int lz = z - d / 2;
+				int distance = (lx * lx + ly * ly + lz * lz);
+				if (distance < minDistance){
+					minDistance = distance;
+					nearX = x;
+					nearY = y;
+					nearZ = z;
+				}
+			}
+		}
+	}
+
+	int index = (nearY * d + nearZ) * w + nearX;
+	Chunk* chunk = chunks->chunks[index];
+	if (chunk != nullptr)
+		return false;
+
+	ChunksLoader* freeLoader = nullptr;
+	for (int i = 0; i < LOADERS_COUNT; i++){
+		ChunksLoader* loader = loaders[i];
+		if (loader->isBusy())
+			continue;
+		freeLoader = loader;
+		break;
+	}
+	if (freeLoader == nullptr)
+		return false;
+	chunk = new Chunk(nearX+ox,nearY+oy,nearZ+oz);
+	if (worldFiles->getChunk(chunk->x, chunk->z, (char*)chunk->voxels))
+		chunk->generated = true;
+
+	chunks->chunks[index] = chunk;
+
+	Chunk* closes[27];
+	for (int i = 0; i < 27; i++)
+		closes[i] = nullptr;
+	for (size_t j = 0; j < chunks->volume; j++){
+		Chunk* other = chunks->chunks[j];
+		if (other == nullptr)
+			continue;
+		if (!other->ready)
+			continue;
+
+		int ox = other->x - chunk->x;
+		int oy = other->y - chunk->y;
+		int oz = other->z - chunk->z;
+
+		if (abs(ox) > 1 || abs(oy) > 1 || abs(oz) > 1)
+			continue;
+
+		ox += 1;
+		oy += 1;
+		oz += 1;
+		closes[(oy * 3 + oz) * 3 + ox] = other;
+	}
+	freeLoader->perform(chunk, (const Chunk**)closes);
+	return true;
+}
+
+bool ChunksController::_buildMeshes(VoxelRenderer* renderer, int tick) {
+	const int w = chunks->w;
+	const int h = chunks->h;
+	const int d = chunks->d;
+
+	int nearX = 0;
+	int nearY = 0;
+	int nearZ = 0;
+	int minDistance = 1000000000;
+	for (int y = 0; y < h; y++){
+		for (int z = 1; z < d-1; z++){
+			for (int x = 1; x < w-1; x++){
+				int index = (y * d + z) * w + x;
+				Chunk* chunk = chunks->chunks[index];
+				if (chunk == nullptr)
+					continue;
+				Mesh* mesh = chunks->meshes[index];
+				if (mesh != nullptr && !chunk->modified)
+					continue;
+				if (!chunk->ready){
+					continue;
+				}
+				int lx = x - w / 2;
+				int ly = y - h / 2;
+				int lz = z - d / 2;
+				int distance = (lx * lx + ly * ly + lz * lz);
+				if (distance < minDistance){
+					minDistance = distance;
+					nearX = x;
+					nearY = y;
+					nearZ = z;
+				}
+			}
+		}
+	}
+
+	int index = (nearY * d + nearZ) * w + nearX;
+
+
+	Chunk* chunk = chunks->chunks[index];
+	if (chunk == nullptr){
+		for (int y = 0; y < h; y++){
+			for (int z = 1; z < d-1; z++){
+				for (int x = 1; x < w-1; x++){
+					int index = (y * d + z) * w + x;
+					chunk = chunks->chunks[index];
+					if (chunk != nullptr && chunk->ready && !chunk->accepted){
+						int lx = x - w / 2;
+						int ly = y - h / 2;
+						int lz = z - d / 2;
+						int distance = (lx * lx + ly * ly + lz * lz);
+						lighting->onChunkLoaded(chunk->x, chunk->y, chunk->z, false);
+						for (int i = 0; i < chunks->volume; i++){
+							Chunk* other = chunks->chunks[i];
+							if (other)
+								other->modified = true;
+						}
+						chunk->accepted = true;
+						std::cout << "1: built mesh for " << chunk << std::endl;
+						return true;
+					}
+				}
+			}
+		}
+		return false;
+	}
+	Mesh* mesh = chunks->meshes[index];
+	if (mesh == nullptr || chunk->modified){
+		Chunk* closes[27];
+		if (mesh != nullptr)
+			delete mesh;
+		if (chunk->isEmpty()){
+			chunks->meshes[index] = nullptr;
+			return false;
+		}
+		chunk->modified = false;
+		for (int i = 0; i < 27; i++)
+			closes[i] = nullptr;
+		for (size_t j = 0; j < chunks->volume; j++){
+			Chunk* other = chunks->chunks[j];
+			if (other == nullptr)
+				continue;
+			if (!other->ready)
+				continue;
+
+			int ox = other->x - chunk->x;
+			int oy = other->y - chunk->y;
+			int oz = other->z - chunk->z;
+
+			if (abs(ox) > 1 || abs(oy) > 1 || abs(oz) > 1)
+				continue;
+
+			ox += 1;
+			oy += 1;
+			oz += 1;
+			closes[(oy * 3 + oz) * 3 + ox] = other;
+		}
+		mesh = renderer->render(chunk, (const Chunk**)closes);
+		chunks->meshes[index] = mesh;
+		//std::cout << "2: built mesh for " << chunk << std::endl;
+		return true;
+	}
+	return false;
+}