space-game001/src/items/GameObjectLoader.cpp
2026-04-17 16:13:56 +03:00

480 lines
16 KiB
C++

#include "GameObjectLoader.h"
#include <fstream>
#include <iostream>
#include <cmath>
#include "render/Renderer.h"
#include "render/TextureManager.h"
#include "utils/Utils.h"
#include <Eigen/Geometry>
namespace ZL {
using json = nlohmann::json;
std::vector<GameObjectData> GameObjectLoader::loadFromJson(const std::string& jsonPath, const std::string& zipPath)
{
std::vector<GameObjectData> objects;
std::string content;
try {
if (zipPath.empty()) {
content = readTextFile(jsonPath);
}
else {
auto buf = readFileFromZIP(jsonPath, zipPath);
if (buf.empty()) {
std::cerr << "UiManager: failed to read " << jsonPath << " from zip " << zipPath << std::endl;
throw std::runtime_error("Failed to load UI file: " + jsonPath);
}
content.assign(buf.begin(), buf.end());
}
}
catch (const std::exception& e) {
std::cerr << "UiManager: failed to open " << jsonPath << " : " << e.what() << std::endl;
throw std::runtime_error("Failed to load UI file: " + jsonPath);
}
json j;
try {
j = json::parse(content);
}
catch (const std::exception& e) {
std::cerr << "UiManager: json parse error: " << e.what() << std::endl;
throw std::runtime_error("Failed to load UI file: " + jsonPath);
}
//json j;
try {
/*std::ifstream file(jsonPath);
if (!file.is_open()) {
throw std::runtime_error("Could not open file: " + jsonPath);
}
if (file.peek() == std::ifstream::traits_type::eof()) {
throw std::runtime_error("JSON file is empty: " + jsonPath);
}
file >> j;*/
if (!j.contains("objects") || !j["objects"].is_array()) {
std::cerr << "Warning: 'objects' array not found in " << jsonPath << std::endl;
return objects;
}
for (const auto& item : j["objects"]) {
GameObjectData data;
data.name = item.value("name", "Unknown");
data.texturePath = item.value("texturePath", "");
data.meshPath = item.value("meshPath", "");
data.rotationX = item.value("rotationX", 0.0f);
data.rotationY = item.value("rotationY", 0.0f);
data.rotationZ = item.value("rotationZ", 0.0f);
data.positionX = item.value("positionX", 0.0f);
data.positionY = item.value("positionY", 0.0f);
data.positionZ = item.value("positionZ", 0.0f);
data.scale = item.value("scale", 1.0f);
// Interactive object properties
data.interactive = item.value("interactive", false);
if (data.interactive && item.contains("item") && item["item"].is_object()) {
const auto& itemData = item["item"];
data.itemId = itemData.value("id", "");
data.itemName = itemData.value("name", "Unknown Item");
data.itemDescription = itemData.value("description", "");
data.itemIcon = itemData.value("icon", "");
data.interactionRadius = itemData.value("radius", 2.0f);
}
data.activateFunctionName = item.value("activateFunction", "");
if (!data.meshPath.empty()) {
objects.push_back(data);
}
}
std::cout << "Successfully loaded " << objects.size() << " game objects from " << jsonPath << std::endl;
} catch (const std::exception& e) {
std::cerr << "Error loading JSON: " << e.what() << std::endl;
}
return objects;
}
std::unordered_map<std::string, LoadedGameObject> GameObjectLoader::loadAndCreateGameObjects(
const std::string& jsonPath,
Renderer& renderer,
const std::string& zipPath)
{
std::unordered_map<std::string, LoadedGameObject> gameObjects;
std::vector<GameObjectData> objectsData = loadFromJson(jsonPath, zipPath);
for (const auto& objData : objectsData) {
if (objData.interactive) continue; // Skip interactive objects, they're handled separately
std::cout << "Loading game object: " << objData.name << std::endl;
LoadedGameObject gameObj;
gameObj.name = objData.name;
// Load texture
try {
gameObj.texture = std::make_shared<Texture>(CreateTextureDataFromPng(objData.texturePath, zipPath.c_str()));
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load texture for '" << objData.name << "': " << e.what() << std::endl;
continue;
}
// Load mesh
try {
gameObj.mesh.data = LoadFromTextFile02(objData.meshPath, zipPath);
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load mesh for '" << objData.name << "': " << e.what() << std::endl;
continue;
}
// Apply rotation
Eigen::Quaternionf rotationQuat = Eigen::Quaternionf::Identity();
if (objData.rotationX != 0.0f) {
rotationQuat = Eigen::Quaternionf(Eigen::AngleAxisf(objData.rotationX, Eigen::Vector3f::UnitX())) * rotationQuat;
}
if (objData.rotationY != 0.0f) {
rotationQuat = Eigen::Quaternionf(Eigen::AngleAxisf(objData.rotationY, Eigen::Vector3f::UnitY())) * rotationQuat;
}
if (objData.rotationZ != 0.0f) {
rotationQuat = Eigen::Quaternionf(Eigen::AngleAxisf(objData.rotationZ, Eigen::Vector3f::UnitZ())) * rotationQuat;
}
gameObj.mesh.data.RotateByMatrix(rotationQuat.toRotationMatrix());
// Apply scale
if (objData.scale != 1.0f) {
gameObj.mesh.data.Scale(objData.scale);
}
// Apply position
if (objData.positionX != 0.0f || objData.positionY != 0.0f || objData.positionZ != 0.0f) {
gameObj.mesh.data.Move({ objData.positionX, objData.positionY, objData.positionZ });
}
gameObj.mesh.RefreshVBO();
gameObjects[objData.name] = gameObj;
std::cout << "Successfully loaded: " << objData.name << std::endl;
}
std::cout << "Total game objects loaded: " << gameObjects.size() << std::endl;
return gameObjects;
}
std::vector<InteractiveObject> GameObjectLoader::loadAndCreateInteractiveObjects(
const std::string& jsonPath,
Renderer& renderer,
const std::string& zipPath)
{
std::vector<InteractiveObject> interactiveObjects;
std::vector<GameObjectData> objectsData = loadFromJson(jsonPath, zipPath);
for (const auto& objData : objectsData) {
if (!objData.interactive) continue;
std::cout << "Loading interactive object: " << objData.name << std::endl;
InteractiveObject intObj;
//intObj.id = objData.name;
intObj.id = !objData.itemId.empty() ? objData.itemId : objData.name;
intObj.name = objData.name;
intObj.interactionRadius = objData.interactionRadius;
intObj.activateFunctionName = objData.activateFunctionName;
// Load texture
try {
intObj.texture = std::make_shared<Texture>(CreateTextureDataFromPng(objData.texturePath, zipPath.c_str()));
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load texture for interactive '" << objData.name << "': " << e.what() << std::endl;
continue;
}
// Load mesh
try {
intObj.mesh.data = LoadFromTextFile02(objData.meshPath, zipPath);
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load mesh for interactive '" << objData.name << "': " << e.what() << std::endl;
continue;
}
// Apply rotation
Eigen::Quaternionf rotationQuat = Eigen::Quaternionf::Identity();
if (objData.rotationX != 0.0f) {
rotationQuat = Eigen::Quaternionf(Eigen::AngleAxisf(objData.rotationX, Eigen::Vector3f::UnitX())) * rotationQuat;
}
if (objData.rotationY != 0.0f) {
rotationQuat = Eigen::Quaternionf(Eigen::AngleAxisf(objData.rotationY, Eigen::Vector3f::UnitY())) * rotationQuat;
}
if (objData.rotationZ != 0.0f) {
rotationQuat = Eigen::Quaternionf(Eigen::AngleAxisf(objData.rotationZ, Eigen::Vector3f::UnitZ())) * rotationQuat;
}
intObj.mesh.data.RotateByMatrix(rotationQuat.toRotationMatrix());
// Apply scale
if (objData.scale != 1.0f) {
intObj.mesh.data.Scale(objData.scale);
}
intObj.mesh.RefreshVBO();
// Calculate mesh bounds to properly offset position
if (!intObj.mesh.data.PositionData.empty()) {
Eigen::Vector3f meshMin = intObj.mesh.data.PositionData[0];
Eigen::Vector3f meshMax = intObj.mesh.data.PositionData[0];
for (const auto& vert : intObj.mesh.data.PositionData) {
meshMin = meshMin.cwiseMin(vert);
meshMax = meshMax.cwiseMax(vert);
}
Eigen::Vector3f meshCenter = (meshMin + meshMax) * 0.5f;
std::cout << "[LOADER] Mesh bounds:" << std::endl;
std::cout << " Min: (" << meshMin.x() << ", " << meshMin.y() << ", " << meshMin.z() << ")" << std::endl;
std::cout << " Max: (" << meshMax.x() << ", " << meshMax.y() << ", " << meshMax.z() << ")" << std::endl;
std::cout << " Center: (" << meshCenter.x() << ", " << meshCenter.y() << ", " << meshCenter.z() << ")" << std::endl;
// Translate mesh so it's centered at origin
intObj.mesh.data.Move(-meshCenter);
intObj.mesh.RefreshVBO();
// Adjust position to account for mesh offset
intObj.position = Eigen::Vector3f(objData.positionX, objData.positionY, objData.positionZ) + meshCenter;
std::cout << "[LOADER] Corrected position: (" << intObj.position.x() << ", "
<< intObj.position.y() << ", " << intObj.position.z() << ")" << std::endl;
} else {
// Fallback if no vertices
intObj.position = Eigen::Vector3f(objData.positionX, objData.positionY, objData.positionZ);
}
// Create item
intObj.dropItem = Item(objData.itemId, objData.itemName, objData.itemDescription, objData.itemIcon);
interactiveObjects.push_back(intObj);
std::cout << "Successfully loaded interactive: " << objData.name << " (item: " << objData.itemName;
if (!objData.activateFunctionName.empty()) {
std::cout << ", function: " << objData.activateFunctionName;
}
std::cout << ")" << std::endl;
}
std::cout << "Total interactive objects loaded: " << interactiveObjects.size() << std::endl;
return interactiveObjects;
}
std::vector<NpcData> GameObjectLoader::loadNpcsFromJson(const std::string& jsonPath, const std::string& zipPath)
{
std::vector<NpcData> npcs;
std::string content;
try {
if (zipPath.empty()) {
content = readTextFile(jsonPath);
}
else {
auto buf = readFileFromZIP(jsonPath, zipPath);
if (buf.empty()) {
std::cerr << "UiManager: failed to read " << jsonPath << " from zip " << zipPath << std::endl;
throw std::runtime_error("Failed to load UI file: " + jsonPath);
}
content.assign(buf.begin(), buf.end());
}
}
catch (const std::exception& e) {
std::cerr << "UiManager: failed to open " << jsonPath << " : " << e.what() << std::endl;
throw std::runtime_error("Failed to load UI file: " + jsonPath);
}
json j;
try {
j = json::parse(content);
}
catch (const std::exception& e) {
std::cerr << "UiManager: json parse error: " << e.what() << std::endl;
throw std::runtime_error("Failed to load UI file: " + jsonPath);
}
//json j;
try {
/*std::ifstream file(jsonPath);
if (!file.is_open()) {
throw std::runtime_error("Could not open file: " + jsonPath);
}
if (file.peek() == std::ifstream::traits_type::eof()) {
throw std::runtime_error("JSON file is empty: " + jsonPath);
}
file >> j;*/
if (!j.contains("npcs") || !j["npcs"].is_array()) {
std::cerr << "Warning: 'npcs' array not found in " << jsonPath << std::endl;
return npcs;
}
for (const auto& item : j["npcs"]) {
NpcData data;
data.id = item.value("id", "npc_unknown");
data.name = item.value("name", "Unknown NPC");
data.texturePath = item.value("texturePath", "");
data.interactionRadius = item.value("interactionRadius", 0.0f);
data.animationIdlePath = item.value("animationIdlePath", "");
data.animationWalkPath = item.value("animationWalkPath", "");
data.positionX = item.value("positionX", 0.0f);
data.positionY = item.value("positionY", 0.0f);
data.positionZ = item.value("positionZ", 0.0f);
data.walkSpeed = item.value("walkSpeed", 1.5f);
data.rotationSpeed = item.value("rotationSpeed", 8.0f);
data.modelScale = item.value("modelScale", 0.01f);
// Model correction rotation (in degrees, will convert to radians)
data.modelCorrectionRotX = item.value("modelCorrectionRotX", 0.0f) * static_cast<float>(M_PI) / 180.0f;
data.modelCorrectionRotY = item.value("modelCorrectionRotY", 0.0f) * static_cast<float>(M_PI) / 180.0f;
data.modelCorrectionRotZ = item.value("modelCorrectionRotZ", 0.0f) * static_cast<float>(M_PI) / 180.0f;
// Load gift data if available
if (item.contains("gift") && item["gift"].is_object()) {
const auto& giftData = item["gift"];
data.gift.id = giftData.value("id", "");
data.gift.name = giftData.value("name", "Gift");
data.gift.description = giftData.value("description", "A gift from an NPC");
data.gift.icon = giftData.value("icon", "");
}
npcs.push_back(data);
}
std::cout << "Successfully loaded " << npcs.size() << " NPCs from " << jsonPath << std::endl;
} catch (const std::exception& e) {
std::cerr << "Error loading NPCs from JSON: " << e.what() << std::endl;
}
return npcs;
}
std::vector<std::unique_ptr<Character>> GameObjectLoader::loadAndCreateNpcs(
const std::string& jsonPath,
const std::string& zipPath)
{
std::vector<std::unique_ptr<Character>> npcs;
std::vector<NpcData> npcsData = loadNpcsFromJson(jsonPath, zipPath);
for (const auto& npcData : npcsData) {
std::cout << "Loading NPC: " << npcData.name << std::endl;
auto npc = std::make_unique<Character>();
// Load animations
try {
if (npcData.animationIdlePath.substr(npcData.animationIdlePath.size() - 5) == ".anim")
{
npc->loadBinaryAnimation(AnimationState::STAND, npcData.animationIdlePath, zipPath);
}
else
{
npc->loadAnimation(AnimationState::STAND, npcData.animationIdlePath, zipPath);
}
std::cout << " Loaded IDLE animation: " << npcData.animationIdlePath << std::endl;
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load IDLE animation for '" << npcData.name << "': " << e.what() << std::endl;
continue;
}
try {
if (npcData.animationWalkPath.substr(npcData.animationWalkPath.size() - 5) == ".anim")
{
npc->loadBinaryAnimation(AnimationState::WALK, npcData.animationWalkPath, zipPath);
}
else
{
npc->loadAnimation(AnimationState::WALK, npcData.animationWalkPath, zipPath);
}
std::cout << " Loaded WALK animation: " << npcData.animationWalkPath << std::endl;
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load WALK animation for '" << npcData.name << "': " << e.what() << std::endl;
continue;
}
// Load texture
try {
auto texture = std::make_shared<Texture>(CreateTextureDataFromPng(npcData.texturePath, zipPath.c_str()));
npc->setTexture(texture);
std::cout << " Loaded texture: " << npcData.texturePath << std::endl;
}
catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load texture for '" << npcData.name << "': " << e.what() << std::endl;
continue;
}
// Set NPC properties
npc->walkSpeed = npcData.walkSpeed;
npc->rotationSpeed = npcData.rotationSpeed;
npc->modelScale = npcData.modelScale;
npc->position = Eigen::Vector3f(npcData.positionX, npcData.positionY, npcData.positionZ);
npc->interactionRadius = npcData.interactionRadius;
// Set NPC metadata
npc->npcId = npcData.id;
npc->npcName = npcData.name;
// Set gift
if (!npcData.gift.id.empty()) {
npc->giftItem = Item(npcData.gift.id, npcData.gift.name, npcData.gift.description, npcData.gift.icon);
std::cout << " Gift: " << npcData.gift.name << std::endl;
}
Eigen::Quaternionf corrRotQuat = Eigen::Quaternionf::Identity();
if (npcData.modelCorrectionRotX != 0.0f) {
corrRotQuat = Eigen::Quaternionf(Eigen::AngleAxisf(npcData.modelCorrectionRotX, Eigen::Vector3f::UnitX())) * corrRotQuat;
}
if (npcData.modelCorrectionRotY != 0.0f) {
corrRotQuat = Eigen::Quaternionf(Eigen::AngleAxisf(npcData.modelCorrectionRotY, Eigen::Vector3f::UnitY())) * corrRotQuat;
}
if (npcData.modelCorrectionRotZ != 0.0f) {
corrRotQuat = Eigen::Quaternionf(Eigen::AngleAxisf(npcData.modelCorrectionRotZ, Eigen::Vector3f::UnitZ())) * corrRotQuat;
}
npc->modelCorrectionRotation = corrRotQuat;
// Set initial target to current position
npc->setTarget(npc->position);
npcs.push_back(std::move(npc));
std::cout << "Successfully loaded NPC: " << npcData.name << " at position ("
<< npcData.positionX << ", " << npcData.positionY << ", " << npcData.positionZ << ")" << std::endl;
}
std::cout << "Total NPCs loaded: " << npcs.size() << std::endl;
return npcs;
}
} // namespace ZL