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3a73f3fbde
space-game001/src/Location.cpp
Vladislav Khorev 3a73f3fbde Improved pathfinding logic
2026-05-21 11:48:18 +03:00

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#include "Location.h"
#include "utils/Utils.h"
#include "render/OpenGlExtensions.h"
#include <iostream>
#include "render/TextureManager.h"
#include "TextModel.h"
#include <random>
#include <cmath>
#include <algorithm>
#include <filesystem>
#include <functional>
#include <memory>
#include <cfloat>
#include "GameConstants.h"
#include "Character.h"
#include "external/nlohmann/json.hpp"
#include <SDL.h>
namespace ZL
{
extern const char* CONST_ZIP_FILE;
static constexpr float CAMERA_FOV_Y = 1.0f / 1.5f;
// How close the player needs to be to a peaceful NPC before the
// on_npc_interact callback fires and the conversation begins.
static constexpr float NPC_TALK_DISTANCE = 1.35f;
static float distancePointToSegmentXZ(const Eigen::Vector3f& p,
const Eigen::Vector3f& a,
const Eigen::Vector3f& b)
{
const Eigen::Vector2f p2(p.x(), p.z());
const Eigen::Vector2f a2(a.x(), a.z());
const Eigen::Vector2f b2(b.x(), b.z());
const Eigen::Vector2f ab = b2 - a2;
const float abLenSq = ab.squaredNorm();
if (abLenSq <= 1e-8f) {
return (p2 - a2).norm();
}
const float t = std::clamp((p2 - a2).dot(ab) / abLenSq, 0.0f, 1.0f);
const Eigen::Vector2f closest = a2 + ab * t;
return (p2 - closest).norm();
}
Location::Location(Renderer& iRenderer, Inventory& iInventory)
: renderer(iRenderer)
, inventory(iInventory)
{
}
void Location::setup(const LocationSetup& params)
{
// Load static game objects
gameObjects = GameObjectLoader::loadAndCreateGameObjects(params.gameObjectsJsonPath, renderer, CONST_ZIP_FILE);
// Load interactive objects
interactiveObjects = GameObjectLoader::loadAndCreateInteractiveObjects(params.interactiveObjectsJsonPath, renderer, CONST_ZIP_FILE);
//auto playerTexture = std::make_shared<Texture>(CreateTextureDataFromPng("resources/w/gg/IMG_20260413_182354_992.png", CONST_ZIP_FILE));
auto playerTexture = renderer.textureManager.LoadFromPng("resources/w/gg/UniV_Grid_2K_Base_color.png", CONST_ZIP_FILE);
auto sparkTexture = renderer.textureManager.LoadFromPng("resources/w/spark.png", CONST_ZIP_FILE);
player = std::make_unique<Character>();
player->loadBinaryAnimation(AnimationState::STAND, "resources/w/gg/new/gg_stand_idle001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::WALK, "resources/w/gg/new/gg_walk001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::STAND_TO_ACTION, "resources/w/gg/new/gg_stand_to_action001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::ACTION_ATTACK, "resources/w/gg/gg_action_chop001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::ACTION_ATTACK_2, "resources/w/gg/gg_action_stab001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::ACTION_IDLE, "resources/w/gg/gg_action_idle002.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::ACTION_TO_STAND, "resources/w/gg/new/gg_action_to_stand001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::ACTION_TO_DEATH, "resources/w/gg/new/gg_die001.anim", CONST_ZIP_FILE);
player->loadBinaryAnimation(AnimationState::DEATH_IDLE, "resources/w/gg/new/gg_die_idle001.anim", CONST_ZIP_FILE);
player->weaponTexture = renderer.textureManager.LoadFromPng("resources/w/white.png", CONST_ZIP_FILE);
player->weaponMesh.data = LoadFromTextFile02("resources/w/gg/knife002.txt", CONST_ZIP_FILE);
player->weaponMesh.data.Scale(0.1f);
player->weaponMesh.RefreshVBO();
player->weaponAttachBoneName = "RightHand";
player->weaponInitialRotation = Eigen::AngleAxisf(-M_PI * 0.5, Eigen::Vector3f::UnitZ()).toRotationMatrix();
player->weaponInitialPosition = Eigen::Vector3f(0, 0.09, 0.016);
player->setTexture(playerTexture);
player->walkSpeed = 3.0f;
player->rotationSpeed = 8.0f;
player->modelScale = 1.f;
player->modelCorrectionRotation = Eigen::Quaternionf(
Eigen::AngleAxisf(M_PI, Eigen::Vector3f::UnitY())
*
Eigen::AngleAxisf(-M_PI*0.5, Eigen::Vector3f::UnitX())
);
player->canAttack = true;
player->isPlayer = true;
player->position = params.playerPosition;
player->setTarget(params.playerPosition);
player->setupHitSparks(sparkTexture);
std::cout << "Load resurces step 9" << std::endl;
// Load NPCs from JSON. Aggressive (canAttack) NPCs need a player target
// and hit sparks; peaceful NPCs don't take damage from the player so
// they don't need either.
npcs = GameObjectLoader::loadAndCreate_Npcs(params.npcsJsonPath, CONST_ZIP_FILE);
for (auto& npc : npcs) {
if (!npc) continue;
npc->homePosition = Eigen::Vector3f(npc->position.x(), 0.f, npc->position.z());
if (npc->canAttack) {
npc->setupHitSparks(sparkTexture);
npc->attackTarget = player.get();
}
}
loadTeleportZones(params.teleportsJsonPath, CONST_ZIP_FILE);
loadTriggerZones(params.triggerZonesJsonPath, CONST_ZIP_FILE);
#ifndef EMSCRIPTEN
// Create shadow map (2048x2048, ortho size 40, near 0.1, far 100)
shadowMap = std::make_unique<ShadowMap>(2048, 40.0f, 0.1f, 100.0f);
shadowMap->setLightDirection(Eigen::Vector3f(-0.5f, -1.0f, -0.3f));
std::cout << "Shadow map initialized" << std::endl;
#endif
setupNavigation(params.navigationJsonPaths);
dialogueSystem.init(renderer, CONST_ZIP_FILE);
dialogueSystem.loadDatabase(params.dialoguesJsonPath);
npcNameText = std::make_unique<TextRenderer>();
if (!npcNameText->init(renderer, "resources/fonts/DroidSans.ttf", 24, CONST_ZIP_FILE)) {
std::cerr << "Failed to init NPC name TextRenderer" << std::endl;
npcNameText.reset();
}
scriptEngine.init(this, &inventory, params.scriptPath);
dialogueSystem.setOnCutsceneFinished([this](const std::string& cutsceneId) {
scriptEngine.callCutsceneCompleteCallback(cutsceneId);
});
}
void Location::loadTeleportZones(const std::string& jsonPath, const char* zipFile)
{
if (jsonPath.empty()) return;
std::string content;
try {
if (!zipFile || zipFile[0] == '\0') {
content = readTextFile(jsonPath);
} else {
auto buf = readFileFromZIP(jsonPath, zipFile);
if (buf.empty()) {
std::cerr << "[TELEPORT] Failed to read " << jsonPath << " from zip" << std::endl;
return;
}
content.assign(buf.begin(), buf.end());
}
} catch (const std::exception& e) {
std::cerr << "[TELEPORT] Failed to open " << jsonPath << ": " << e.what() << std::endl;
return;
}
using json = nlohmann::json;
json j;
try {
j = json::parse(content);
} catch (const std::exception& e) {
std::cerr << "[TELEPORT] JSON parse error in " << jsonPath << ": " << e.what() << std::endl;
return;
}
if (!j.contains("teleports") || !j["teleports"].is_array()) return;
auto activeTex = renderer.textureManager.LoadFromPng("resources/w/star.png", zipFile ? zipFile : "");
auto inactiveTex = renderer.textureManager.LoadFromPng("resources/w/star_red.png", zipFile ? zipFile : "");
for (const auto& item : j["teleports"]) {
TeleportZone tz;
tz.id = item.value("id", "");
tz.active = item.value("active", false);
tz.position = Eigen::Vector3f(
item.value("positionX", 0.0f),
item.value("positionY", 0.0f),
item.value("positionZ", 0.0f)
);
tz.radius = item.value("radius", 0.0f);
tz.destinationLocation = item.value("destinationLocation", "");
tz.destinationPosition = Eigen::Vector3f(
item.value("destinationPositionX", 0.0f),
item.value("destinationPositionY", 0.0f),
item.value("destinationPositionZ", 0.0f)
);
tz.destinationRotationY = item.value("destinationRotationY", 0.0f);
tz.initSparks(activeTex, inactiveTex);
teleportZones.push_back(std::move(tz));
}
std::cout << "[TELEPORT] Loaded " << teleportZones.size() << " teleport(s) from " << jsonPath << std::endl;
}
void Location::loadTriggerZones(const std::string& jsonPath, const char* zipFile)
{
if (jsonPath.empty()) return;
std::string content;
try {
if (!zipFile || zipFile[0] == '\0') {
content = readTextFile(jsonPath);
} else {
auto buf = readFileFromZIP(jsonPath, zipFile);
if (buf.empty()) {
std::cerr << "[TRIGGER] Failed to read " << jsonPath << " from zip" << std::endl;
return;
}
content.assign(buf.begin(), buf.end());
}
} catch (const std::exception& e) {
std::cerr << "[TRIGGER] Failed to open " << jsonPath << ": " << e.what() << std::endl;
return;
}
using json = nlohmann::json;
json j;
try {
j = json::parse(content);
} catch (const std::exception& e) {
std::cerr << "[TRIGGER] JSON parse error in " << jsonPath << ": " << e.what() << std::endl;
return;
}
if (!j.contains("trigger_zones") || !j["trigger_zones"].is_array()) return;
for (const auto& item : j["trigger_zones"]) {
TriggerZone tz;
tz.id = item.value("id", "");
tz.enabled = item.value("enabled", true);
tz.radius = item.value("radius", 1.5f);
tz.hysteresis = item.value("hysteresis", 0.3f);
tz.position = Eigen::Vector3f(
item.value("positionX", 0.0f),
item.value("positionY", 0.0f),
item.value("positionZ", 0.0f)
);
triggerZones.push_back(std::move(tz));
}
std::cout << "[TRIGGER] Loaded " << triggerZones.size() << " trigger zone(s) from " << jsonPath << std::endl;
}
void Location::updateTriggerZones(const Eigen::Vector3f& playerPos)
{
for (auto& tz : triggerZones) {
if (!tz.enabled) continue;
const float dist = (playerPos - tz.position).norm();
if (!tz.playerInside && dist <= tz.radius) {
tz.playerInside = true;
scriptEngine.callTriggerEnterCallback(tz.id);
} else if (tz.playerInside && dist > tz.radius + tz.hysteresis) {
tz.playerInside = false;
scriptEngine.callTriggerExitCallback(tz.id);
}
}
}
void Location::setupNavigation(const std::vector<std::string>& paths)
{
navigationMapPaths = paths;
navigationMaps.clear();
navigationMaps.resize(paths.size());
for (size_t i = 0; i < paths.size(); ++i) {
navigationMaps[i].build(paths[i], CONST_ZIP_FILE);
}
activeNavigationIndex = 0;
navigation = navigationMaps.empty() ? nullptr : &navigationMaps[0];
if (navigationEditorMode && navigation) {
navigationEditorBuildNavMeshes();
}
static constexpr float kDynamicObstacleInfluenceDist = 6.0f;
auto makePlanner = [this](const Character* self) {
return [this, self](const Eigen::Vector3f& start, const Eigen::Vector3f& end) {
if (!navigation) return std::vector<Eigen::Vector3f>{};
std::vector<PathFinder::DynamicObstacle> dynamicObstacles;
dynamicObstacles.reserve(npcs.size() + 1);
const auto addCharacter = [&](const Character* other) {
if (!other || other == self) return;
if (other->hp <= 0.f || !other->enabled) return;
if (other->isMoving()) return;
if (distancePointToSegmentXZ(other->position, start, end) > kDynamicObstacleInfluenceDist) {
return;
}
PathFinder::DynamicObstacle obs;
obs.position = Eigen::Vector3f(other->position.x(), navigation->getFloorY(), other->position.z());
obs.radius = (std::max)(0.0f, other->collisionRadius * 0.6f);
dynamicObstacles.push_back(obs);
};
addCharacter(player.get());
for (const auto& npc : npcs) {
addCharacter(npc.get());
}
return navigation->findPathToNearest(start, end, dynamicObstacles);
};
};
if (player) {
player->setPathPlanner(makePlanner(player.get()));
}
for (auto& npc : npcs) {
if (npc) {
npc->setPathPlanner(makePlanner(npc.get()));
}
}
}
bool Location::switchNavigation(int index)
{
if (index < 0 || index >= static_cast<int>(navigationMaps.size())) {
std::cerr << "[NAV] switchNavigation: index " << index << " out of range\n";
return false;
}
activeNavigationIndex = index;
navigation = &navigationMaps[index];
// Force all characters to replan their paths against the new nav map.
if (player) player->forceReplan();
for (auto& npc : npcs) {
if (npc) npc->forceReplan();
}
if (navigationEditorMode) {
navigationEditorBuildNavMeshes();
}
std::cout << "[NAV] Switched to navigation map " << index << "\n";
return true;
}
void Location::navigationEditorBuildNavMeshes()
{
navigationEditorNavMeshes.clear();
if (!navigation) return;
const float y = navigation->getFloorY() + 0.02f;
const Eigen::Vector3f red(1.0f, 0.0f, 0.0f);
for (const auto& obs : navigation->getObstaclePolygons()) {
if (obs.polygon.size() < 3) continue;
VertexRenderStruct mesh;
mesh.data = CreatePolygonFloor(obs.polygon, y, red);
mesh.RefreshVBO();
navigationEditorNavMeshes.push_back(std::move(mesh));
}
}
void Location::navigationEditorDrawNavigation()
{
renderer.shaderManager.PushShader("defaultColor");
renderer.SetMatrix();
for (const auto& mesh : navigationEditorNavMeshes) {
renderer.DrawVertexRenderStruct(mesh);
}
renderer.shaderManager.PopShader();
renderer.SetMatrix();
}
void Location::navigationEditorRebuildPointsMesh()
{
VertexDataStruct data;
const Eigen::Vector3f yellow(1.0f, 1.0f, 0.0f);
const float y = navigation ? navigation->getFloorY() + 0.05f : 0.05f;
const float s = 0.2f;
for (const auto& pt : navigationEditorPoints) {
// Small upward-pointing equilateral triangle in the XZ plane
Eigen::Vector3f v0(pt.x(), y, pt.z() - s * 1.15f);
Eigen::Vector3f v1(pt.x() - s, y, pt.z() + s * 0.58f);
Eigen::Vector3f v2(pt.x() + s, y, pt.z() + s * 0.58f);
data.PositionData.push_back(v0);
data.PositionData.push_back(v1);
data.PositionData.push_back(v2);
data.ColorData.push_back(yellow);
data.ColorData.push_back(yellow);
data.ColorData.push_back(yellow);
}
navigationEditorPointsMesh.data = std::move(data);
navigationEditorPointsMesh.RefreshVBO();
}
void Location::navigationEditorDrawPoints()
{
if (navigationEditorPoints.empty()) return;
renderer.shaderManager.PushShader("defaultColor");
renderer.SetMatrix();
renderer.DrawVertexRenderStruct(navigationEditorPointsMesh);
renderer.shaderManager.PopShader();
renderer.SetMatrix();
}
void Location::navigationEditorHandleLeftClick(const Eigen::Vector3f& hit, bool ctrlHeld)
{
if (ctrlHeld) {
const float removeRadius = 1.0f;
for (auto it = navigationEditorPoints.begin(); it != navigationEditorPoints.end(); ++it) {
const float dx = it->x() - hit.x();
const float dz = it->z() - hit.z();
if (dx * dx + dz * dz <= removeRadius * removeRadius) {
navigationEditorPoints.erase(it);
navigationEditorRebuildPointsMesh();
std::cout << "[NAV_EDITOR] Removed point, " << navigationEditorPoints.size() << " remaining\n";
return;
}
}
std::cout << "[NAV_EDITOR] No point found within " << removeRadius << " units of click\n";
} else {
navigationEditorPoints.push_back(hit);
navigationEditorRebuildPointsMesh();
std::cout << "[NAV_EDITOR] Added point (" << hit.x() << ", " << hit.z()
<< "), total: " << navigationEditorPoints.size() << "\n";
}
}
void Location::navigationEditorHandleRightClick()
{
if (navigationEditorPoints.size() < 3) {
std::cout << "[NAV_EDITOR] Need at least 3 points to form a polygon (have "
<< navigationEditorPoints.size() << "); clearing\n";
navigationEditorPoints.clear();
navigationEditorRebuildPointsMesh();
return;
}
PathFinder::ObstaclePolygon poly;
poly.name = "editor_obstacle_" + std::to_string(++navigationEditorObstacleCounter);
for (const auto& pt : navigationEditorPoints) {
poly.polygon.emplace_back(pt.x(), pt.z());
}
if (navigation) navigation->addObstaclePolygon(poly);
std::cout << "[NAV_EDITOR] Added obstacle '" << poly.name << "' with "
<< poly.polygon.size() << " vertices\n";
// Add a red mesh for the new obstacle polygon so it's visible immediately.
{
const float y = navigation ? navigation->getFloorY() + 0.02f : 0.02f;
const Eigen::Vector3f red(1.0f, 0.0f, 0.0f);
VertexRenderStruct mesh;
mesh.data = CreatePolygonFloor(poly.polygon, y, red);
mesh.RefreshVBO();
navigationEditorNavMeshes.push_back(std::move(mesh));
}
navigationEditorPoints.clear();
navigationEditorRebuildPointsMesh();
}
void Location::navigationEditorSave()
{
std::string baseName;
for (int i = 1; ; ++i) {
char buf[32];
snprintf(buf, sizeof(buf), "saved_mesh%03d", i);
baseName = buf;
if (!std::filesystem::exists(baseName + ".json")) break;
}
if (!navigation) return;
if (navigation->saveConfig(baseName + ".json"))
std::cout << "[NAV_EDITOR] Saved config to: " << baseName << ".json\n";
else
std::cerr << "[NAV_EDITOR] Failed to save config to: " << baseName << ".json\n";
if (navigation->saveGrid(baseName + ".txt"))
std::cout << "[NAV_EDITOR] Saved grid to: " << baseName << ".txt\n";
else
std::cerr << "[NAV_EDITOR] Failed to save grid to: " << baseName << ".txt\n";
}
void Location::navigationEditorReload()
{
setupNavigation(navigationMapPaths);
std::cout << "[NAV_EDITOR] Reloaded navigation maps (" << navigationMapPaths.size() << " maps)\n";
}
InteractiveObject* Location::raycastInteractiveObjects(const Eigen::Vector3f& rayOrigin, const Eigen::Vector3f& rayDir) {
if (interactiveObjects.empty()) {
//std::cout << "[RAYCAST] No interactive objects to check" << std::endl;
return nullptr;
}
//std::cout << "[RAYCAST] Starting raycast with " << interactiveObjects.size() << " objects" << std::endl;
//std::cout << "[RAYCAST] Ray origin: (" << rayOrigin.x() << ", " << rayOrigin.y() << ", " << rayOrigin.z() << ")" << std::endl;
//std::cout << "[RAYCAST] Ray dir: (" << rayDir.x() << ", " << rayDir.y() << ", " << rayDir.z() << ")" << std::endl;
float closestDistance = FLT_MAX;
InteractiveObject* closestObject = nullptr;
for (auto& intObj : interactiveObjects) {
//std::cout << "[RAYCAST] Checking object: " << intObj.loadedObject.name << " (active: " << intObj.isActive << ")" << std::endl;
if (!intObj.isActive || intObj.isAnimating) {
//std::cout << "[RAYCAST] -> Object inactive or animating, skipping" << std::endl;
continue;
}
if (isDarklands) {
if (!intObj.loadedObject.textureDarklands) continue;
} else {
if (!intObj.loadedObject.texture) continue;
}
//std::cout << "[RAYCAST] Position: (" << intObj.position.x() << ", " << intObj.position.y() << ", "
// << intObj.position.z() << "), Radius: " << intObj.interactionRadius << std::endl;
Eigen::Vector3f toObject = intObj.position - rayOrigin;
//std::cout << "[RAYCAST] Vector to object: (" << toObject.x() << ", " << toObject.y() << ", " << toObject.z() << ")" << std::endl;
float distanceAlongRay = toObject.dot(rayDir);
//std::cout << "[RAYCAST] Distance along ray: " << distanceAlongRay << std::endl;
if (distanceAlongRay < 0.1f) {
//std::cout << "[RAYCAST] -> Object behind camera, skipping" << std::endl;
continue;
}
Eigen::Vector3f closestPointOnRay = rayOrigin + rayDir * distanceAlongRay;
float distToObject = (closestPointOnRay - intObj.position).norm();
//std::cout << "[RAYCAST] Distance to object: " << distToObject
// << " (interaction radius: " << intObj.interactionRadius << ")" << std::endl;
if (distToObject <= intObj.interactionRadius && distanceAlongRay < closestDistance) {
//std::cout << "[RAYCAST] *** HIT DETECTED! ***" << std::endl;
closestDistance = distanceAlongRay;
closestObject = &intObj;
}
}
/*
if (closestObject) {
std::cout << "[RAYCAST] *** RAYCAST SUCCESS: Found object " << closestObject->loadedObject.name << " ***" << std::endl;
}
else {
std::cout << "[RAYCAST] No objects hit" << std::endl;
}
*/
return closestObject;
}
Character* Location::raycastNpcs(const Eigen::Vector3f& rayOrigin, const Eigen::Vector3f& rayDir, float maxDistance) {
// Every NPC is treated as a vertical cylinder: radius 1.0m, height 1.85m,
// base at npc->position (the model's foot). Intersection = circle hit in the
// XZ plane, then clip the entry/exit t against the [yFoot, yFoot+height] slab.
static constexpr float NPC_CLICK_RADIUS = 1.0f;
static constexpr float NPC_CLICK_HEIGHT = 1.85f;
Character* closestNpc = nullptr;
float closestDist = maxDistance;
//std::cout << "[RAYCAST_NPC] Starting raycast with " << npcs.size() << " npcs" << std::endl;
for (auto& npc : npcs) {
if (npc->hp <= 0.f) {
//std::cout << "[RAYCAST_NPC] " << npc->npcId << " is dead, skipping" << std::endl;
continue;
}
if (!npc->enabled) continue;
const float dx = rayOrigin.x() - npc->position.x();
const float dz = rayOrigin.z() - npc->position.z();
const float a = rayDir.x() * rayDir.x() + rayDir.z() * rayDir.z();
if (a < 1e-6f) continue; // purely-vertical ray; not a real click case
const float b = 2.0f * (dx * rayDir.x() + dz * rayDir.z());
const float c = dx * dx + dz * dz - NPC_CLICK_RADIUS * NPC_CLICK_RADIUS;
const float disc = b * b - 4.0f * a * c;
if (disc < 0.0f) continue; // ray misses the infinite cylinder
const float sqrtDisc = std::sqrt(disc);
const float tNear = (-b - sqrtDisc) / (2.0f * a);
const float tFar = (-b + sqrtDisc) / (2.0f * a);
float entryT = max(tNear, 0.1f);
float exitT = tFar;
// Clip against the cylinder's vertical extent.
const float yMin = npc->position.y();
const float yMax = yMin + NPC_CLICK_HEIGHT;
if (std::abs(rayDir.y()) > 1e-6f) {
const float tYa = (yMin - rayOrigin.y()) / rayDir.y();
const float tYb = (yMax - rayOrigin.y()) / rayDir.y();
entryT = max(entryT, min(tYa, tYb));
exitT = min(exitT, max(tYa, tYb));
}
else if (rayOrigin.y() < yMin || rayOrigin.y() > yMax) {
continue; // horizontal ray passing above or below the cylinder
}
if (entryT > exitT) continue;
//std::cout << "[RAYCAST_NPC] " << npc->npcId << " hit at t=" << entryT << std::endl;
if (entryT < closestDist) {
closestDist = entryT;
closestNpc = npc.get();
}
}
if (closestNpc) {
//std::cout << "[RAYCAST_NPC] HIT: " << closestNpc->npcId << std::endl;
}
else {
//std::cout << "[RAYCAST_NPC] No NPC hit" << std::endl;
}
return closestNpc;
}
void Location::drawGame()
{
glClearColor(0.53, 0.81, 0.92, 1.0f);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
renderer.shaderManager.PushShader("fog");
renderer.RenderUniform1i(textureUniformName, 0);
const float playerEyePos[3] = { 0.0f, 0.0f, -Environment::zoom };
renderer.RenderUniform3fv("uPlayerEyePos", playerEyePos);
renderer.PushPerspectiveProjectionMatrix(1.0 / 1.5,
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
renderer.PushMatrix();
renderer.LoadIdentity();
renderer.TranslateMatrix({ 0,0, -1.0f * Environment::zoom });
//renderer.TranslateMatrix({ 0, -6.f, 0 });
renderer.RotateMatrix(Eigen::Quaternionf(Eigen::AngleAxisf(cameraInclination, Eigen::Vector3f::UnitX())).toRotationMatrix());
renderer.RotateMatrix(Eigen::Quaternionf(Eigen::AngleAxisf(cameraAzimuth, Eigen::Vector3f::UnitY())).toRotationMatrix());
const Eigen::Vector3f& camTarget = player ? player->position : Eigen::Vector3f::Zero();
renderer.TranslateMatrix({ -camTarget.x(), -camTarget.y(), -camTarget.z() });
//glBindTexture(GL_TEXTURE_2D, roomTexture->getTexID());
//renderer.DrawVertexRenderStruct(roomMesh);
renderer.RenderUniform1f("uAlpha", 1.0f);
for (auto& [name, gameObj] : gameObjects) {
if (!gameObj.texture) continue;
glBindTexture(GL_TEXTURE_2D, gameObj.texture->getTexID());
renderer.DrawVertexRenderStruct(gameObj.mesh);
}
for (auto& intObj : interactiveObjects) {
if (intObj.isActive) {
intObj.draw(renderer);
}
}
renderer.RenderUniform1f("uAlpha", 1.0f);
const Eigen::Matrix4f currentView = renderer.GetCurrentModelViewMatrix();
if (player) player->prepareHitSparksForDraw(currentView);
for (auto& npc : npcs) npc->prepareHitSparksForDraw(currentView);
for (auto& tz : teleportZones) tz.prepareForDraw(currentView);
if (player) player->draw(renderer);
for (auto& npc : npcs) npc->draw(renderer);
for (auto& tz : teleportZones) tz.draw(renderer, Environment::zoom, Environment::width, Environment::height);
if (navigationEditorMode) {
navigationEditorDrawNavigation();
navigationEditorDrawPoints();
}
renderer.PopMatrix();
renderer.PopProjectionMatrix();
renderer.shaderManager.PopShader();
if (npcNameText) {
Eigen::Matrix4f proj = MakePerspectiveMatrix(1.0f / 1.5f,
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
for (auto& npc : npcs) {
if (npc) npc->drawName(*npcNameText, currentView, proj);
}
if (player) player->drawHealthBar(renderer, currentView, proj);
for (auto& npc : npcs) {
if (npc) npc->drawHealthBar(renderer, currentView, proj);
}
}
}
void Location::drawShadowDepthPass()
{
if (!shadowMap) return;
const Eigen::Vector3f& sceneCenter = player ? player->position : Eigen::Vector3f::Zero();
shadowMap->updateLightSpaceMatrix(sceneCenter);
shadowMap->bind();
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
// Use front-face culling during depth pass to reduce shadow acne on lit faces
//glCullFace(GL_FRONT);
glEnable(GL_CULL_FACE);
renderer.shaderManager.PushShader("shadow_depth");
// Set up light's orthographic projection
const Eigen::Matrix4f& lightProj = shadowMap->getLightProjectionMatrix();
const Eigen::Matrix4f& lightView = shadowMap->getLightViewMatrix();
// Push the light's projection matrix via the 6-param ortho overload won't
// match our pre-computed matrix. Instead, use the raw stack approach:
// push a dummy projection then overwrite via PushSpecialMatrix-style.
// Simpler: push ortho then push the light view as modelview.
renderer.PushProjectionMatrix(
-40.0f, 40.0f,
-40.0f, 40.0f,
0.1f, 100.0f);
const Eigen::Vector3f& lightDir = shadowMap->getLightDirection();
Eigen::Vector3f lightPos = sceneCenter - lightDir * 50.0f;
Eigen::Vector3f up(0.0f, 1.0f, 0.0f);
if (std::abs(lightDir.dot(up)) > 0.99f) {
up = Eigen::Vector3f(0.0f, 0.0f, 1.0f);
}
// Build the light view matrix and push it
renderer.PushSpecialMatrix(lightView);
// Draw static geometry
//renderer.DrawVertexRenderStruct(roomMesh);
for (auto& [name, gameObj] : gameObjects) {
renderer.DrawVertexRenderStruct(gameObj.mesh);
}
for (auto& intObj : interactiveObjects) {
if (intObj.isActive && intObj.loadedObject.texture) {
renderer.PushMatrix();
renderer.TranslateMatrix(intObj.position);
renderer.DrawVertexRenderStruct(intObj.loadedObject.mesh);
renderer.PopMatrix();
}
}
// Draw characters (they handle their own skinning shader switch internally)
if (player) player->drawShadowDepth(renderer);
for (auto& npc : npcs) npc->drawShadowDepth(renderer);
renderer.PopMatrix(); // light view
renderer.PopProjectionMatrix();
renderer.shaderManager.PopShader();
//glCullFace(GL_BACK);
glDisable(GL_CULL_FACE);
shadowMap->unbind();
}
void Location::drawGameWithShadows()
{
glClearColor(0.53, 0.81, 0.92, 1.0f);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
#ifdef DEBUG_LIGHT
// Debug mode: render from the light's point of view using the plain
// textured shader so we can see what the shadow map "sees".
renderer.shaderManager.PushShader(defaultShaderName);
renderer.RenderUniform1i(textureUniformName, 0);
renderer.PushProjectionMatrix(
-40.0f, 40.0f,
-40.0f, 40.0f,
0.1f, 1000.0f);
renderer.PushSpecialMatrix(shadowMap->getLightViewMatrix());
#else
static const std::string shadowShaderName = "fog_shadow";
renderer.shaderManager.PushShader(shadowShaderName);
renderer.RenderUniform1i(textureUniformName, 0);
renderer.RenderUniform1i("uShadowMap", 1);
const float playerEyePos[3] = { 0.0f, 0.0f, -Environment::zoom };
renderer.RenderUniform3fv("uPlayerEyePos", playerEyePos);
// Bind shadow map texture to unit 1
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, shadowMap->getDepthTexture());
glActiveTexture(GL_TEXTURE0);
renderer.PushPerspectiveProjectionMatrix(1.0 / 1.5,
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
renderer.PushMatrix();
renderer.LoadIdentity();
renderer.TranslateMatrix({ 0,0, -1.0f * Environment::zoom });
renderer.RotateMatrix(Eigen::Quaternionf(Eigen::AngleAxisf(cameraInclination, Eigen::Vector3f::UnitX())).toRotationMatrix());
renderer.RotateMatrix(Eigen::Quaternionf(Eigen::AngleAxisf(cameraAzimuth, Eigen::Vector3f::UnitY())).toRotationMatrix());
const Eigen::Vector3f& camTarget = player ? player->position : Eigen::Vector3f::Zero();
renderer.TranslateMatrix({ -camTarget.x(), -camTarget.y(), -camTarget.z() });
// Capture the camera view matrix and compute uLightFromCamera
cameraViewMatrix = renderer.GetCurrentModelViewMatrix();
Eigen::Matrix4f cameraViewInverse = cameraViewMatrix.inverse();
Eigen::Matrix4f lightFromCamera = shadowMap->getLightSpaceMatrix() * cameraViewInverse;
renderer.RenderUniformMatrix4fv("uLightFromCamera", false, lightFromCamera.data());
// Light direction in camera space for diffuse lighting
Eigen::Vector3f lightDirCamera = cameraViewMatrix.block<3, 3>(0, 0) * shadowMap->getLightDirection();
renderer.RenderUniform3fv("uLightDir", lightDirCamera.data());
#endif
CheckGlError(__FILE__, __LINE__);
//glBindTexture(GL_TEXTURE_2D, roomTexture->getTexID());
//renderer.DrawVertexRenderStruct(roomMesh);
CheckGlError(__FILE__, __LINE__);
renderer.RenderUniform1f("uAlpha", 1.0f);
for (auto& [name, gameObj] : gameObjects) {
if (!gameObj.texture) continue;
glBindTexture(GL_TEXTURE_2D, gameObj.texture->getTexID());
renderer.DrawVertexRenderStruct(gameObj.mesh);
}
CheckGlError(__FILE__, __LINE__);
for (auto& intObj : interactiveObjects) {
if (intObj.isActive) {
intObj.draw(renderer);
}
}
CheckGlError(__FILE__, __LINE__);
#ifdef DEBUG_LIGHT
// In debug-light mode characters use the plain shaders (draw normally
// but from the light's viewpoint — projection/view already on stack).
{
const Eigen::Matrix4f currentView = renderer.GetCurrentModelViewMatrix();
if (player) player->prepareHitSparksForDraw(currentView);
for (auto& npc : npcs) npc->prepareHitSparksForDraw(currentView);
}
if (player) player->draw(renderer);
for (auto& npc : npcs) npc->draw(renderer);
#else
// Characters use their own shadow-aware shaders
CheckGlError(__FILE__, __LINE__);
if (player) player->prepareHitSparksForDraw(cameraViewMatrix);
for (auto& npc : npcs) npc->prepareHitSparksForDraw(cameraViewMatrix);
for (auto& tz : teleportZones) tz.prepareForDraw(cameraViewMatrix);
if (player) player->drawWithShadow(renderer, lightFromCamera, shadowMap->getDepthTexture(), lightDirCamera);
CheckGlError(__FILE__, __LINE__);
for (auto& npc : npcs) npc->drawWithShadow(renderer, lightFromCamera, shadowMap->getDepthTexture(), lightDirCamera);
for (auto& tz : teleportZones) tz.draw(renderer, Environment::zoom, Environment::width, Environment::height);
#endif
if (navigationEditorMode) {
navigationEditorDrawNavigation();
navigationEditorDrawPoints();
}
CheckGlError(__FILE__, __LINE__);
renderer.PopMatrix();
renderer.PopProjectionMatrix();
renderer.shaderManager.PopShader();
if (npcNameText) {
Eigen::Matrix4f proj = MakePerspectiveMatrix(1.0f / 1.5f,
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
for (auto& npc : npcs) {
if (npc) npc->drawName(*npcNameText, cameraViewMatrix, proj);
}
if (player) player->drawHealthBar(renderer, cameraViewMatrix, proj);
for (auto& npc : npcs) {
if (npc) npc->drawHealthBar(renderer, cameraViewMatrix, proj);
}
}
}
void Location::drawGameDarklands()
{
glClearColor(0.05f, 0.05f, 0.2f, 1.0f);
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
renderer.shaderManager.PushShader("darklands_fog");
renderer.RenderUniform1i(textureUniformName, 0);
const float playerEyePos[3] = { 0.0f, 0.0f, -Environment::zoom };
renderer.RenderUniform3fv("uPlayerEyePos", playerEyePos);
renderer.PushPerspectiveProjectionMatrix(1.0 / 1.5,
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
renderer.PushMatrix();
renderer.LoadIdentity();
renderer.TranslateMatrix({ 0, 0, -1.0f * Environment::zoom });
renderer.RotateMatrix(Eigen::Quaternionf(Eigen::AngleAxisf(cameraInclination, Eigen::Vector3f::UnitX())).toRotationMatrix());
renderer.RotateMatrix(Eigen::Quaternionf(Eigen::AngleAxisf(cameraAzimuth, Eigen::Vector3f::UnitY())).toRotationMatrix());
const Eigen::Vector3f& camTarget = player ? player->position : Eigen::Vector3f::Zero();
renderer.TranslateMatrix({ -camTarget.x(), -camTarget.y(), -camTarget.z() });
renderer.RenderUniform1f("uAlpha", 1.0f);
for (auto& [name, gameObj] : gameObjects) {
if (!gameObj.textureDarklands) continue;
glBindTexture(GL_TEXTURE_2D, gameObj.textureDarklands->getTexID());
renderer.DrawVertexRenderStruct(gameObj.mesh);
}
for (auto& intObj : interactiveObjects) {
if (intObj.isActive) {
intObj.drawDarklands(renderer);
}
}
renderer.RenderUniform1f("uAlpha", 1.0f);
const Eigen::Matrix4f currentView = renderer.GetCurrentModelViewMatrix();
if (player) player->prepareHitSparksForDraw(currentView);
for (auto& npc : npcs) npc->prepareHitSparksForDraw(currentView);
for (auto& tz : teleportZones) tz.prepareForDraw(currentView);
if (player) player->draw(renderer);
for (auto& npc : npcs) npc->draw(renderer);
for (auto& tz : teleportZones) tz.draw(renderer, Environment::zoom, Environment::width, Environment::height);
if (navigationEditorMode) {
navigationEditorDrawNavigation();
navigationEditorDrawPoints();
}
renderer.PopMatrix();
renderer.PopProjectionMatrix();
renderer.shaderManager.PopShader();
if (npcNameText) {
Eigen::Matrix4f proj = MakePerspectiveMatrix(1.0f / 1.5f,
static_cast<float>(Environment::width) / static_cast<float>(Environment::height),
Environment::CONST_Z_NEAR, Environment::CONST_Z_FAR);
for (auto& npc : npcs) {
if (npc) npc->drawName(*npcNameText, currentView, proj);
}
if (player) player->drawHealthBar(renderer, currentView, proj);
for (auto& npc : npcs) {
if (npc) npc->drawHealthBar(renderer, currentView, proj);
}
}
}
bool Location::setNavigationAreaAvailable(const std::string& areaName, bool available)
{
if (!navigation) return false;
return navigation->setAreaAvailable(areaName, available);
}
void Location::nudgeCharacterAside(Character* standing, const Eigen::Vector3f& awayFrom)
{
if (!standing || standing->isPlayer) return;
if (!navigation || !navigation->isReady()) return;
static constexpr float kNudgeDist = 1.2f;
Eigen::Vector3f dir = standing->position - awayFrom;
dir.y() = 0.f;
if (dir.norm() < 1e-3f) dir = Eigen::Vector3f(1.f, 0.f, 0.f);
else dir.normalize();
const float angles[] = { 0.f, static_cast<float>(M_PI * 0.5), static_cast<float>(-M_PI * 0.5), static_cast<float>(M_PI) };
for (float angle : angles) {
Eigen::Vector3f rotated = Eigen::AngleAxisf(angle, Eigen::Vector3f::UnitY()) * dir;
Eigen::Vector3f candidate = standing->position + rotated * kNudgeDist;
candidate.y() = 0.f;
if (navigation->isWalkable(candidate)) {
standing->setTarget(candidate);
return;
}
}
}
void Location::resolveCharacterCollisions()
{
std::vector<Character*> characters;
characters.reserve(npcs.size() + 1);
if (player) {
characters.push_back(player.get());
}
for (auto& npc : npcs) {
if (npc) {
characters.push_back(npc.get());
}
}
if (characters.size() < 2) {
return;
}
static constexpr int kIterations = 3;
static constexpr float kMinSeparationEps = 1e-4f;
for (int iter = 0; iter < kIterations; ++iter) {
for (size_t i = 0; i < characters.size(); ++i) {
for (size_t j = i + 1; j < characters.size(); ++j) {
Character* a = characters[i];
Character* b = characters[j];
if (!a || !b) continue;
if (a->hp <= 0.f || b->hp <= 0.f || !a->enabled || !b->enabled) continue;
const float minDist = a->collisionRadius + b->collisionRadius;
if (minDist <= 0.f) continue;
const Eigen::Vector2f pa(a->position.x(), a->position.z());
const Eigen::Vector2f pb(b->position.x(), b->position.z());
const Eigen::Vector2f delta = pb - pa;
const float dist = delta.norm();
if (dist >= minDist) {
continue;
}
Eigen::Vector2f normal(1.f, 0.f);
if (dist > kMinSeparationEps) {
normal = delta / dist;
}
const float penetration = (minDist - dist);
const float push = penetration * 0.5f;
Eigen::Vector3f newA = a->position;
Eigen::Vector3f newB = b->position;
newA.x() -= normal.x() * push;
newA.z() -= normal.y() * push;
newA.y() = 0.f;
newB.x() += normal.x() * push;
newB.z() += normal.y() * push;
newB.y() = 0.f;
const bool aWasMoving = a->isMoving();
const bool bWasMoving = b->isMoving();
if (navigation && navigation->isReady()) {
const bool aOk = navigation->isWalkable(newA);
const bool bOk = navigation->isWalkable(newB);
if (aOk && bOk) {
a->position = newA;
b->position = newB;
}
else if (aOk && !bOk) {
a->position = newA;
}
else if (!aOk && bOk) {
b->position = newB;
}
}
else {
a->position = newA;
b->position = newB;
}
if (a->isPlayer && !aWasMoving) a->stopInPlace();
if (b->isPlayer && !bWasMoving) b->stopInPlace();
if (aWasMoving && !bWasMoving) {
nudgeCharacterAside(b, a->position);
} else if (bWasMoving && !aWasMoving) {
nudgeCharacterAside(a, b->position);
}
}
}
}
}
void Location::updateDynamicReplans(int64_t deltaMs)
{
static constexpr float kMovedEps = 0.05f;
static constexpr float kReplanTriggerDist = 1.8f;
static constexpr int64_t kReplanCooldownMs = 500;
for (auto it = replanCooldownRemainingMs.begin(); it != replanCooldownRemainingMs.end();) {
it->second -= deltaMs;
if (it->second <= 0) {
it = replanCooldownRemainingMs.erase(it);
}
else {
++it;
}
}
std::vector<Character*> characters;
characters.reserve(npcs.size() + 1);
if (player) characters.push_back(player.get());
for (auto& npc : npcs) if (npc) characters.push_back(npc.get());
std::vector<Character*> movers;
movers.reserve(characters.size());
for (Character* c : characters) {
if (!c) continue;
auto it = lastCharacterPositions.find(c);
if (it == lastCharacterPositions.end()) {
lastCharacterPositions[c] = c->position;
continue;
}
const Eigen::Vector3f prev = it->second;
const float moved = (c->position - prev).norm();
it->second = c->position;
if (moved > kMovedEps) {
movers.push_back(c);
}
}
if (movers.empty()) {
return;
}
for (Character* mover : movers) {
if (!mover) continue;
for (Character* walker : characters) {
if (!walker || walker == mover) continue;
if (walker->hp <= 0.f || !walker->enabled) continue;
if (!walker->isMoving()) continue;
if (replanCooldownRemainingMs.find(walker) != replanCooldownRemainingMs.end()) {
continue;
}
const Eigen::Vector3f nextTarget = walker->getCurrentNavigationTarget();
const float distToSegment = distancePointToSegmentXZ(mover->position, walker->position, nextTarget);
if (distToSegment > kReplanTriggerDist) {
continue;
}
walker->forceReplan();
replanCooldownRemainingMs[walker] = kReplanCooldownMs;
}
}
}
void Location::update(int64_t delta)
{
for (auto& intObj : interactiveObjects) {
intObj.update(delta);
}
if (player) {
player->update(delta);
dialogueSystem.update(static_cast<int>(delta));
updateTriggerZones(player->position);
}
for (auto& npc : npcs)
{
npc->update(delta);
}
resolveCharacterCollisions();
updateDynamicReplans(delta);
// Check if player reached target interactive object
if (targetInteractiveObject && player && !targetInteractiveObject->isAnimating) {
float distToObject = (player->position - targetInteractiveObject->position).norm();
// If player is close enough to pick up the item
if (distToObject <= targetInteractiveObject->interactionRadius + 1.0f) {
std::cout << "[PICKUP] Player reached object! Distance: " << distToObject << std::endl;
std::cout << "[PICKUP] Calling Lua callback for: " << targetInteractiveObject->loadedObject.name << std::endl;
// Call custom activate function if specified, otherwise use fallback
try {
if (!targetInteractiveObject->activateFunctionName.empty()) {
std::cout << "[PICKUP] Using custom function: " << targetInteractiveObject->activateFunctionName << std::endl;
scriptEngine.callActivateFunction(targetInteractiveObject->activateFunctionName);
}
else {
std::cout << "[PICKUP] Using fallback callback" << std::endl;
scriptEngine.callItemPickupCallback(targetInteractiveObject->loadedObject.name);
}
}
catch (const std::exception& e) {
std::cerr << "[PICKUP] Error calling function: " << e.what() << std::endl;
}
targetInteractiveObject = nullptr;
}
}
// Check if player reached target NPC for interaction.
if (targetInteractNpc && targetInteractNpcIndex >= 0 && player) {
float distToNpc = (player->position - targetInteractNpc->position).norm();
if (distToNpc <= NPC_TALK_DISTANCE) {
std::cout << "[NPC] Player reached NPC index " << targetInteractNpcIndex
<< " (distance " << distToNpc << "); firing on_npc_interact" << std::endl;
// Stop the player at the talk distance and have the NPC turn to face them.
player->setTarget(player->position);
targetInteractNpc->faceTarget = player.get();
try {
scriptEngine.callNpcInteractCallback(targetInteractNpcIndex);
}
catch (const std::exception& e) {
std::cerr << "[NPC] callback error: " << e.what() << std::endl;
}
targetInteractNpc = nullptr;
targetInteractNpcIndex = -1;
}
}
for (auto& tz : teleportZones) tz.update(static_cast<float>(delta));
if (targetTeleportZone && player) {
float dist = (player->position - targetTeleportZone->position).norm();
if (dist <= targetTeleportZone->radius) {
std::cout << "[TELEPORT] Player reached teleport zone '" << targetTeleportZone->id << "'" << std::endl;
if (onTeleport) onTeleport(targetTeleportZone->destinationLocation, targetTeleportZone->destinationPosition, targetTeleportZone->destinationRotationY);
targetTeleportZone = nullptr;
return;
}
}
}
void Location::handleDown(int64_t fingerId, int eventX, int eventY, int mx, int my)
{
// Calculate ray for picking
if (dialogueSystem.blocksGameplayInput()) {
dialogueSystem.handlePointerReleased(static_cast<float>(mx), Environment::projectionHeight - static_cast<float>(my));
return;
}
player->attackTarget = nullptr;
// Unproject click to ground plane (y=0) for Viola's walk target
float ndcX = 2.0f * eventX / Environment::width - 1.0f;
float ndcY = 1.0f - 2.0f * eventY / Environment::height;
float aspect = (float)Environment::width / (float)Environment::height;
float tanHalfFov = tan(CAMERA_FOV_Y * 0.5f);
float cosAzim = cos(cameraAzimuth), sinAzim = sin(cameraAzimuth);
float cosIncl = cos(cameraInclination), sinIncl = sin(cameraInclination);
Eigen::Vector3f camRight(cosAzim, 0.f, sinAzim);
Eigen::Vector3f camForward(sinAzim * cosIncl, -sinIncl, -cosAzim * cosIncl);
Eigen::Vector3f camUp(sinAzim * sinIncl, cosIncl, -cosAzim * sinIncl);
const Eigen::Vector3f& playerPos = player ? player->position : Eigen::Vector3f::Zero();
Eigen::Vector3f camPos = playerPos + Eigen::Vector3f(-sinAzim * cosIncl, sinIncl, cosAzim * cosIncl) * Environment::zoom;
Eigen::Vector3f rayDir = (camForward + camRight * (ndcX * aspect * tanHalfFov) + camUp * (ndcY * tanHalfFov)).normalized();
if (navigationEditorMode) {
if (rayDir.y() < -0.001f) {
const float t = -camPos.y() / rayDir.y();
const Eigen::Vector3f hit = camPos + rayDir * t;
const bool ctrlHeld = (SDL_GetModState() & KMOD_CTRL) != 0;
navigationEditorHandleLeftClick(hit, ctrlHeld);
}
return;
}
std::cout << "[CLICK] Camera position: (" << camPos.x() << ", " << camPos.y() << ", " << camPos.z() << ")" << std::endl;
std::cout << "[CLICK] Ray direction: (" << rayDir.x() << ", " << rayDir.y() << ", " << rayDir.z() << ")" << std::endl;
// First check if we clicked on interactive object
InteractiveObject* clickedObject = raycastInteractiveObjects(camPos, rayDir);
if (clickedObject && player && clickedObject->isActive) {
std::cout << "[CLICK] *** SUCCESS: Clicked on interactive object: " << clickedObject->loadedObject.name << " ***" << std::endl;
std::cout << "[CLICK] Object position: (" << clickedObject->position.x() << ", "
<< clickedObject->position.y() << ", " << clickedObject->position.z() << ")" << std::endl;
std::cout << "[CLICK] Player position: (" << player->position.x() << ", "
<< player->position.y() << ", " << player->position.z() << ")" << std::endl;
targetInteractiveObject = clickedObject;
targetInteractNpc = nullptr;
targetInteractNpcIndex = -1;
targetTeleportZone = nullptr;
player->setTarget(clickedObject->position);
player->attackTarget = nullptr;
std::cout << "[CLICK] Player moving to object..." << std::endl;
}
else {
// Check if we clicked on an NPC
Character* clickedNpc = raycastNpcs(camPos, rayDir);
if (clickedNpc && player) {
float distance = (player->position - clickedNpc->position).norm();
int npcIndex = -1;
for (size_t i = 0; i < npcs.size(); ++i) {
if (npcs[i].get() == clickedNpc) {
npcIndex = static_cast<int>(i);
break;
}
}
if (npcIndex != -1) {
targetInteractiveObject = nullptr;
targetTeleportZone = nullptr;
if (clickedNpc->canAttack) {
// Hostile NPC: combat logic walks the player in via attackTarget;
// don't queue a Lua interaction during a fight.
player->attackTarget = clickedNpc;
targetInteractNpc = nullptr;
targetInteractNpcIndex = -1;
if (distance <= clickedNpc->interactionRadius) {
std::cout << "[CLICK] Hostile NPC " << npcIndex << " in range; firing on_npc_interact" << std::endl;
scriptEngine.callNpcInteractCallback(npcIndex);
}
}
else {
// Peaceful NPC: walk to them, fire on_npc_interact when within talk distance.
player->attackTarget = nullptr;
if (distance <= NPC_TALK_DISTANCE) {
// Already in talk range — fire immediately, stop, and face the player.
std::cout << "[CLICK] *** SUCCESS: Clicked on NPC index: " << npcIndex << " (in range) ***" << std::endl;
player->setTarget(player->position);
clickedNpc->faceTarget = player.get();
scriptEngine.callNpcInteractCallback(npcIndex);
targetInteractNpc = nullptr;
targetInteractNpcIndex = -1;
}
else {
std::cout << "[CLICK] NPC " << npcIndex << " out of talk range (distance " << distance
<< " > " << NPC_TALK_DISTANCE << "); walking to NPC..." << std::endl;
player->setTarget(clickedNpc->position);
targetInteractNpc = clickedNpc;
targetInteractNpcIndex = npcIndex;
}
}
}
}
else if (rayDir.y() < -0.001f && player) {
// Unproject click to ground plane for walk target / teleport detection
float t = -camPos.y() / rayDir.y();
Eigen::Vector3f hit = camPos + rayDir * t;
std::cout << "[CLICK] Clicked on ground at: (" << hit.x() << ", " << hit.z() << ")" << std::endl;
TeleportZone* clickedTeleport = nullptr;
for (auto& tz : teleportZones) {
if (!tz.active) continue;
Eigen::Vector2f d(hit.x() - tz.position.x(), hit.z() - tz.position.z());
if (d.norm() <= tz.radius) { clickedTeleport = &tz; break; }
}
if (clickedTeleport) {
std::cout << "[CLICK] Clicked teleport zone '" << clickedTeleport->id << "'" << std::endl;
targetTeleportZone = clickedTeleport;
targetInteractiveObject = nullptr;
targetInteractNpc = nullptr;
targetInteractNpcIndex = -1;
player->setTarget(clickedTeleport->position);
player->attackTarget = nullptr;
} else {
player->setTarget(Eigen::Vector3f(hit.x(), 0.f, hit.z()));
player->attackTarget = nullptr;
targetInteractNpc = nullptr;
targetInteractNpcIndex = -1;
targetTeleportZone = nullptr;
}
}
else {
std::cout << "[CLICK] No valid target found" << std::endl;
}
}
std::cout << "========================================\n" << std::endl;
}
void Location::handleUp(int64_t fingerId, int mx, int my)
{
if (dialogueSystem.blocksGameplayInput()) {
dialogueSystem.handlePointerReleased(static_cast<float>(mx), Environment::projectionHeight - static_cast<float>(my));
return;
}
}
void Location::handleMotion(int64_t fingerId, int eventX, int eventY, int mx, int my)
{
if (dialogueSystem.blocksGameplayInput()) {
dialogueSystem.handlePointerMoved(
static_cast<float>(mx),
Environment::projectionHeight - static_cast<float>(my)
);
}
if (cameraDragging) {
int dx = eventX - lastMouseX;
int dy = eventY - lastMouseY;
lastMouseX = eventX;
lastMouseY = eventY;
const float sensitivity = 0.005f;
cameraAzimuth += dx * sensitivity;
cameraInclination += dy * sensitivity;
const float minInclination = M_PI * 30.f / 180.f;
const float maxInclination = M_PI * 0.5f;
cameraInclination = max(minInclination, min(maxInclination, cameraInclination));
}
}
bool Location::requestDialogueStart(const std::string& dialogueId)
{
return dialogueSystem.startDialogue(dialogueId);
}
bool Location::requestCutsceneStart(const std::string& cutsceneId)
{
return dialogueSystem.startCutscene(cutsceneId);
}
void Location::setOnCutsceneFinished(std::function<void(const std::string&)> cb)
{
dialogueSystem.setOnCutsceneFinished(std::move(cb));
}
void Location::setDialogueFlag(const std::string& flag, int value)
{
dialogueSystem.setFlag(flag, value);
}
int Location::getDialogueFlag(const std::string& flag) const
{
return dialogueSystem.getFlag(flag);
}
} // namespace ZL
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