space-game001/src/items/GameObjectLoader.cpp
2026-06-13 20:58:44 +03:00

423 lines
18 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>
#include "../Character.h"
namespace ZL {
void set_Texture(Character& npc, const TextureDataStruct& texture);
void set_Texture(Character& npc, const std::string& meshName, const TextureDataStruct& texture);
using json = nlohmann::json;
// -----------------------------------------------------------------------
// Private helpers
// -----------------------------------------------------------------------
json GameObjectLoader::loadJson(const std::string& jsonPath, const std::string& zipPath)
{
std::string content;
try {
if (zipPath.empty()) {
content = readTextFile(jsonPath);
} else {
auto buf = readFileFromZIP(jsonPath, zipPath);
if (buf.empty())
throw std::runtime_error("empty result from zip");
content.assign(buf.begin(), buf.end());
}
} catch (const std::exception& e) {
throw std::runtime_error("Failed to read " + jsonPath + ": " + e.what());
}
try {
return json::parse(content);
} catch (const std::exception& e) {
throw std::runtime_error("JSON parse error in " + jsonPath + ": " + e.what());
}
}
static GameObjectData parseGameObjectData(const json& item)
{
GameObjectData data;
data.name = item.value("name", "Unknown");
data.texturePath = item.value("texturePath", "");
data.textureDarkandsPath = item.value("textureDarkandsPath", "");
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);
return data;
}
std::vector<GameObjectData> GameObjectLoader::loadFromJson(const std::string& jsonPath, const std::string& zipPath)
{
std::vector<GameObjectData> objects;
json j = loadJson(jsonPath, zipPath);
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 = parseGameObjectData(item);
if (!data.meshPath.empty())
objects.push_back(std::move(data));
}
std::cout << "Loaded " << objects.size() << " static objects from " << jsonPath << std::endl;
return objects;
}
std::vector<InteractiveObjectData> GameObjectLoader::loadInteractiveFromJson(const std::string& jsonPath, const std::string& zipPath)
{
std::vector<InteractiveObjectData> objects;
json j = loadJson(jsonPath, zipPath);
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"]) {
InteractiveObjectData data;
data.base = parseGameObjectData(item);
data.interactionRadius = item.value("interactionRadius", 2.0f);
data.approachRadius = item.value("approachRadius", data.interactionRadius);
data.castShadow = item.value("castShadow", true);
data.castShadowNight = item.value("castShadowNight", true);
data.isActive = item.value("isActive", true);
data.activateFunctionName = item.value("activateFunction", "");
data.pivotX = item.value("pivotX", 0.0f);
data.pivotY = item.value("pivotY", 0.0f);
data.pivotZ = item.value("pivotZ", 0.0f);
data.boundsMinX = item.value("boundsMinX", 0.0f);
data.boundsMinY = item.value("boundsMinY", 0.0f);
data.boundsMinZ = item.value("boundsMinZ", 0.0f);
data.boundsMaxX = item.value("boundsMaxX", 0.0f);
data.boundsMaxY = item.value("boundsMaxY", 0.0f);
data.boundsMaxZ = item.value("boundsMaxZ", 0.0f);
if (item.contains("interactionPositionX")) {
data.hasInteractionPosition = true;
data.interactionPositionX = item.value("interactionPositionX", 0.0f);
data.interactionPositionY = item.value("interactionPositionY", 0.0f);
data.interactionPositionZ = item.value("interactionPositionZ", 0.0f);
}
if (!data.base.meshPath.empty())
objects.push_back(std::move(data));
}
std::cout << "Loaded " << objects.size() << " interactive objects from " << jsonPath << std::endl;
return objects;
}
LoadedGameObject GameObjectLoader::buildLoadedObject(const GameObjectData& data, Renderer& renderer, const std::string& zipPath)
{
LoadedGameObject obj;
obj.name = data.name;
obj.texture = renderer.textureManager.LoadFromPng(data.texturePath, zipPath);
if (!data.textureDarkandsPath.empty())
obj.textureDarklands = renderer.textureManager.LoadFromPng(data.textureDarkandsPath, zipPath);
if (data.meshPath.size() > 4 && data.meshPath.compare(data.meshPath.size() - 4, 4, ".bin") == 0)
obj.mesh.data = LoadModelFromBinFile(data.meshPath, zipPath);
else
obj.mesh.data = LoadFromTextFile02(data.meshPath, zipPath);
constexpr float kDeg2Rad = static_cast<float>(M_PI) / 180.0f;
Eigen::Quaternionf rot = Eigen::Quaternionf::Identity();
if (data.rotationX != 0.0f)
rot = Eigen::Quaternionf(Eigen::AngleAxisf(data.rotationX * kDeg2Rad, Eigen::Vector3f::UnitX())) * rot;
if (data.rotationY != 0.0f)
rot = Eigen::Quaternionf(Eigen::AngleAxisf(data.rotationY * kDeg2Rad, Eigen::Vector3f::UnitY())) * rot;
if (data.rotationZ != 0.0f)
rot = Eigen::Quaternionf(Eigen::AngleAxisf(data.rotationZ * kDeg2Rad, Eigen::Vector3f::UnitZ())) * rot;
obj.mesh.data.RotateByMatrix(rot.toRotationMatrix());
if (data.scale != 1.0f)
obj.mesh.data.Scale(data.scale);
return obj;
}
// -----------------------------------------------------------------------
// Public API
// -----------------------------------------------------------------------
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;
for (const auto& data : loadFromJson(jsonPath, zipPath)) {
std::cout << "Loading game object: " << data.name << std::endl;
try {
LoadedGameObject obj = buildLoadedObject(data, renderer, zipPath);
if (data.positionX != 0.0f || data.positionY != 0.0f || data.positionZ != 0.0f)
obj.mesh.data.Move({ data.positionX, data.positionY, data.positionZ });
obj.mesh.RefreshVBO();
gameObjects[data.name] = std::move(obj);
std::cout << "Successfully loaded: " << data.name << std::endl;
} catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load '" << data.name << "': " << e.what() << 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;
if (jsonPath.empty())
return interactiveObjects;
for (const auto& data : loadInteractiveFromJson(jsonPath, zipPath)) {
std::cout << "Loading interactive object: " << data.base.name << std::endl;
try {
InteractiveObject intObj;
intObj.loadedObject = buildLoadedObject(data.base, renderer, zipPath);
intObj.interactionRadius = data.interactionRadius;
intObj.approachRadius = data.approachRadius;
intObj.castShadow = data.castShadow;
intObj.castShadowNight = data.castShadowNight;
intObj.isActive = data.isActive;
intObj.activateFunctionName = data.activateFunctionName;
intObj.pivot = Eigen::Vector3f(data.pivotX, data.pivotY, data.pivotZ);
intObj.boundsMin = Eigen::Vector3f(data.boundsMinX, data.boundsMinY, data.boundsMinZ);
intObj.boundsMax = Eigen::Vector3f(data.boundsMaxX, data.boundsMaxY, data.boundsMaxZ);
intObj.hasInteractionPosition = data.hasInteractionPosition;
if (data.hasInteractionPosition)
intObj.interactionPosition = Eigen::Vector3f(data.interactionPositionX, data.interactionPositionY, data.interactionPositionZ);
// Store source data needed for serialization.
intObj.loadedObject.texturePath = data.base.texturePath;
intObj.loadedObject.textureDarkandsPath = data.base.textureDarkandsPath;
intObj.loadedObject.meshPath = data.base.meshPath;
intObj.loadedObject.meshRotationX = data.base.rotationX;
intObj.loadedObject.meshRotationY = data.base.rotationY;
intObj.loadedObject.meshRotationZ = data.base.rotationZ;
intObj.loadedObject.meshScale = data.base.scale;
intObj.jsonPositionX = data.base.positionX;
intObj.jsonPositionY = data.base.positionY;
intObj.jsonPositionZ = data.base.positionZ;
intObj.loadedObject.mesh.RefreshVBO();
// Center mesh at origin; store corrected world position separately.
if (!intObj.loadedObject.mesh.data.PositionData.empty()) {
Eigen::Vector3f meshMin = intObj.loadedObject.mesh.data.PositionData[0];
Eigen::Vector3f meshMax = intObj.loadedObject.mesh.data.PositionData[0];
for (const auto& v : intObj.loadedObject.mesh.data.PositionData) {
meshMin = meshMin.cwiseMin(v);
meshMax = meshMax.cwiseMax(v);
}
Eigen::Vector3f meshCenter = (meshMin + meshMax) * 0.5f;
intObj.loadedObject.mesh.data.Move(-meshCenter);
intObj.loadedObject.mesh.RefreshVBO();
intObj.position = Eigen::Vector3f(data.base.positionX, data.base.positionY, data.base.positionZ) + meshCenter;
} else {
intObj.position = Eigen::Vector3f(data.base.positionX, data.base.positionY, data.base.positionZ);
}
interactiveObjects.push_back(std::move(intObj));
if (!data.activateFunctionName.empty())
std::cout << "Successfully loaded interactive: " << data.base.name
<< " (function: " << data.activateFunctionName << ")" << std::endl;
else
std::cout << "Successfully loaded interactive: " << data.base.name << std::endl;
} catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load interactive '" << data.base.name << "': " << e.what() << 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;
json j = loadJson(jsonPath, zipPath);
if (!j.contains("npcs") || !j["npcs"].is_array()) {
std::cerr << "Warning: 'npcs' array not found in " << jsonPath << std::endl;
return npcs;
}
try {
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", "");
if (item.contains("meshTextures") && item["meshTextures"].is_object()) {
for (auto it = item["meshTextures"].begin(); it != item["meshTextures"].end(); ++it) {
if (it.value().is_string())
data.meshTextures[it.key()] = it.value().get<std::string>();
}
}
data.interactionRadius = item.value("interactionRadius", 0.0f);
data.animationIdlePath = item.value("animationIdlePath", "");
data.animationWalkPath = item.value("animationWalkPath", "");
data.animationActionIdlePath = item.value("animationActionIdlePath", "");
data.animationActionAttackPath = item.value("animationActionAttackPath", "");
data.animationStandToActionPath = item.value("animationStandToActionPath", "");
data.animationActionToStandPath = item.value("animationActionToStandPath", "");
data.animationActionToDeathPath = item.value("animationActionToDeathPath", "");
data.animationDeathIdlePath = item.value("animationDeathIdlePath", "");
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);
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;
data.facingAngle = item.value("facingAngle", 0.0f) * static_cast<float>(M_PI) / 180.0f;
data.hp = item.value("hp", 100.0f);
data.canAttack = item.value("canAttack", false);
data.enabled = item.value("enabled", true);
npcs.push_back(std::move(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::loadAndCreate_Npcs(
const std::string& jsonPath,
const std::string& zipPath)
{
std::vector<std::unique_ptr<Character>> npcs;
for (const auto& npcData : loadNpcsFromJson(jsonPath, zipPath)) {
std::cout << "Loading NPC: " << npcData.name << std::endl;
auto npc = std::make_unique<Character>();
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;
}
auto loadOptionalAnim = [&](AnimationState state, const std::string& path, const char* label) {
if (path.empty()) return;
try {
if (path.size() >= 5 && path.substr(path.size() - 5) == ".anim")
npc->loadBinaryAnimation(state, path, zipPath);
else
npc->loadAnimation(state, path, zipPath);
std::cout << " Loaded " << label << " animation: " << path << std::endl;
} catch (const std::exception& e) {
std::cerr << "GameObjectLoader: Failed to load " << label
<< " animation for '" << npcData.name << "': " << e.what() << std::endl;
}
};
loadOptionalAnim(AnimationState::ACTION_IDLE, npcData.animationActionIdlePath, "ACTION_IDLE");
loadOptionalAnim(AnimationState::ACTION_ATTACK, npcData.animationActionAttackPath, "ACTION_ATTACK");
loadOptionalAnim(AnimationState::STAND_TO_ACTION, npcData.animationStandToActionPath, "STAND_TO_ACTION");
loadOptionalAnim(AnimationState::ACTION_TO_STAND, npcData.animationActionToStandPath, "ACTION_TO_STAND");
loadOptionalAnim(AnimationState::ACTION_TO_DEATH, npcData.animationActionToDeathPath, "ACTION_TO_DEATH");
loadOptionalAnim(AnimationState::DEATH_IDLE, npcData.animationDeathIdlePath, "DEATH_IDLE");
try {
if (!npcData.meshTextures.empty()) {
for (const auto& entry : npcData.meshTextures) {
//set_Texture(*npc, entry.first, CreateTextureDataFromPng(entry.second, zipPath.c_str()));
npc->setTexture(entry.first, std::make_shared<Texture>(CreateTextureDataFromPng(entry.second, zipPath.c_str())));
std::cout << " -> mesh '" << entry.first << "'" << std::endl;
}
} else {
//set_Texture(*npc, CreateTextureDataFromPng(npcData.texturePath, zipPath.c_str()));
npc->setTexture(std::make_shared<Texture>(CreateTextureDataFromPng(npcData.texturePath, zipPath.c_str())));
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;
}
npc->walkSpeed = npcData.walkSpeed;
npc->rotationSpeed = npcData.rotationSpeed;
npc->modelScale = npcData.modelScale;
npc->position = Eigen::Vector3f(npcData.positionX, npcData.positionY, npcData.positionZ);
npc->facingAngle = npcData.facingAngle;
npc->setHp(npcData.hp);
npc->initialHp = npcData.hp;
npc->canAttack = npcData.canAttack;
npc->enabled = npcData.enabled;
npc->interactionRadius = npcData.interactionRadius;
npc->npcId = npcData.id;
npc->npcName = npcData.name;
Eigen::Quaternionf corrRot = Eigen::Quaternionf::Identity();
if (npcData.modelCorrectionRotX != 0.0f)
corrRot = Eigen::Quaternionf(Eigen::AngleAxisf(npcData.modelCorrectionRotX, Eigen::Vector3f::UnitX())) * corrRot;
if (npcData.modelCorrectionRotY != 0.0f)
corrRot = Eigen::Quaternionf(Eigen::AngleAxisf(npcData.modelCorrectionRotY, Eigen::Vector3f::UnitY())) * corrRot;
if (npcData.modelCorrectionRotZ != 0.0f)
corrRot = Eigen::Quaternionf(Eigen::AngleAxisf(npcData.modelCorrectionRotZ, Eigen::Vector3f::UnitZ())) * corrRot;
npc->modelCorrectionRotation = corrRot;
npc->setTarget(npc->position);
npcs.push_back(std::move(npc));
std::cout << "Successfully loaded NPC: " << npcData.name << " at ("
<< npcData.positionX << ", " << npcData.positionY << ", " << npcData.positionZ << ")" << std::endl;
}
std::cout << "Total NPCs loaded: " << npcs.size() << std::endl;
return npcs;
}
} // namespace ZL