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#include "first_app.hpp"
namespace app {
FirstApp::FirstApp() : xeEngine{WIDTH, HEIGHT, "Minecraft Vulkan", "res/image/icon.png"} {};
FirstApp::~FirstApp() {}
void FirstApp::run() {
Chunk::load();
auto viewerObject = xe::GameObject::createGameObject();
viewerObject.transform.translation = {0.f, 40.f, 0.f};
viewerObject.transform.rotation.y = glm::radians(45.f);
createGameObjects(viewerObject);
SimpleRenderer renderer{xeEngine, Chunk::getTextures()};
xe::Sound sound{"res/sound/when_the_world_ends.wav"};
sound.setLooping(true);
sound.play();
KeyboardMovementController cameraController{xeEngine.getInput(), viewerObject};
while (xeEngine.poll()) {
float frameTime = xeEngine.getFrameTime();
cameraController.update(frameTime);
xeEngine.getCamera().setViewYXZ(viewerObject.transform.translation, viewerObject.transform.rotation);
if(xeEngine.beginFrame()) {
renderer.render(loadedChunks, xeEngine.getCamera());
xeEngine.endFrame();
}
reloadLoadedChunks(viewerObject);
}
xeEngine.close();
Chunk::unload();
}
void FirstApp::createGameObjects(xe::GameObject& viewer) {
int width = 2*RENDER_DISTANCE+1;
loadedChunks.clear();
for(int32_t x = 0; x < width; x++) {
for(int32_t z = 0; z < width; z++) {
auto gameObject = xe::GameObject::createGameObject();
gameObject.transform.translation = glm::vec3(0.f);
loadedChunks.push_back(std::move(gameObject));
}
}
}
void FirstApp::reloadLoadedChunks(xe::GameObject& viewer) {
viewX = static_cast<int>(floor(viewer.transform.translation.x / 16.f));
viewZ = static_cast<int>(floor(viewer.transform.translation.z / 16.f));
int width = 2*RENDER_DISTANCE+1;
int minX = viewX - RENDER_DISTANCE;
int minZ = viewZ - RENDER_DISTANCE;
int maxX = viewX + RENDER_DISTANCE;
int maxZ = viewZ + RENDER_DISTANCE;
for(int32_t x = 0; x < width; x++) {
for(int32_t z = 0; z < width; z++) {
auto& gameObject = loadedChunks[x + z * width];
int gridX = static_cast<int>(floor(gameObject.transform.translation.x / 16.f));
int gridZ = static_cast<int>(floor(gameObject.transform.translation.z / 16.f));
int newGridX = minX + x;
int newGridZ = minZ + z;
if(gridX < minX || gridZ < minZ || gridX > maxX || gridZ > maxZ)
Chunk::deleteChunk(gridX, gridZ);
Chunk* chunk = Chunk::getChunk(newGridX, newGridZ);
if(chunk == nullptr) {
chunk = Chunk::newChunk(newGridX, newGridZ, 12345);
Chunk::generate(chunk);
}
if(chunk->getMesh() == nullptr){
Chunk::createMeshAsync(chunk);
}
gameObject.model = chunk->getMesh();
gameObject.transform.translation = glm::vec3(newGridX * 16.f, 0, newGridZ * 16.f);
}
}
}
}
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