💿🐜 Antkeeper source code
https://antkeeper.com
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312 lines
9.8 KiB
312 lines
9.8 KiB
/*
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* Copyright (C) 2017 Christopher J. Howard
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*
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* This file is part of Antkeeper Source Code.
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*
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* Antkeeper Source Code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper Source Code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper Source Code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "game-state.hpp"
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#include "title-state.hpp"
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#include "../application.hpp"
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#include "../camera-controller.hpp"
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#include "../game/colony.hpp"
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#include "../game/ant.hpp"
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#include "../game/tool.hpp"
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#include "../ui/toolbar.hpp"
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#include "../ui/menu.hpp"
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#include "../ui/pie-menu.hpp"
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#include <cmath>
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GameState::GameState(Application* application):
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ApplicationState(application)
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{}
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GameState::~GameState()
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{}
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void GameState::enter()
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{
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// Setup HUD
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application->rectangularPaletteImage->setVisible(true);
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application->rectangularPaletteImage->setActive(true);
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application->toolbar->getContainer()->setVisible(true);
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application->toolbar->getContainer()->setActive(true);
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// Setup tools
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application->forceps->setColony(application->colony);
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// Add tools to scene
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application->defaultLayer->addObject(application->forceps->getModelInstance());
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application->defaultLayer->addObject(application->lens->getModelInstance());
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application->defaultLayer->addObject(application->brush->getModelInstance());
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// Add terrain to scene
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application->defaultLayer->addObject(&application->currentLevel->terrainSurface);
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application->defaultLayer->addObject(&application->currentLevel->terrainSubsurface);
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application->defaultLayer->addObject(&application->biomeFloorModelInstance);
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// Spawn ants
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Navmesh* navmesh = application->currentLevel->terrain.getSurfaceNavmesh();
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for (int i = 0; i < 50; ++i)
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{
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Navmesh::Triangle* triangle = (*navmesh->getTriangles())[0];
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Ant* ant = application->colony->spawn(navmesh, triangle, normalize_barycentric(Vector3(0.5f)));
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Vector3 forward = glm::normalize(triangle->edge->vertex->position - triangle->edge->next->vertex->position);
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Vector3 up = triangle->normal;
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ant->setOrientation(forward, up);
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application->defaultLayer->addObject(ant->getModelInstance());
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ant->setState(Ant::State::WANDER);
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}
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// Setup camera controller
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application->surfaceCam->setCamera(&application->camera);
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//application->surfaceCam->setFocalPoint(Vector3(0.0f));
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//application->surfaceCam->setFocalDistance(250.0f);
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//application->surfaceCam->setElevation(glm::radians(35.0f));
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//application->surfaceCam->setAzimuth(glm::radians(-45.0f));
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application->surfaceCam->setTargetFocalPoint(Vector3(0.0f));
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application->surfaceCam->setTargetFocalDistance(250.0f);
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application->surfaceCam->setTargetElevation(glm::radians(35.0f));
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//application->surfaceCam->setTargetAzimuth(glm::radians(-45.0f));
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application->surfaceCam->update(0.0f);
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application->simulationPaused = false;
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// Select forceps tool
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//application->deselectTool(application->currentTool);
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//application->selectTool(application->forceps);
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application->pieMenu->select(1);
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// Begin fade-in
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application->fadeInTween->start();
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application->mouse->addMouseButtonObserver(this);
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}
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void GameState::execute()
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{
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// Pause simulation
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if (application->escape.isTriggered() && !application->escape.wasTriggered())
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{
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if (application->simulationPaused)
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{
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application->unpauseSimulation();
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}
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else
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{
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application->pauseSimulation();
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}
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}
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// Navigate menu
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if (application->activeMenu != nullptr)
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{
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MenuItem* selectedItem = application->activeMenu->getSelectedItem();
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if (application->menuDown.isTriggered() && !application->menuDown.wasTriggered())
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{
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if (selectedItem != nullptr)
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{
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if (selectedItem->getIndex() < application->activeMenu->getItemCount() - 1)
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{
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application->selectMenuItem(selectedItem->getIndex() + 1);
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}
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else
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{
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application->selectMenuItem(0);
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}
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}
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else
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{
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application->selectMenuItem(0);
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}
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}
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else if (application->menuUp.isTriggered() && !application->menuUp.wasTriggered())
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{
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if (selectedItem != nullptr)
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{
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if (selectedItem->getIndex() > 0)
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{
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application->selectMenuItem(selectedItem->getIndex() - 1);
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}
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else
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{
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application->selectMenuItem(application->activeMenu->getItemCount() - 1);
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}
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}
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else
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{
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application->selectMenuItem(application->activeMenu->getItemCount() - 1);
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}
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}
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if (application->menuSelect.isTriggered() && !application->menuSelect.wasTriggered())
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{
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application->activateMenuItem();
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}
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}
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else
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{
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// Move camera
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Vector2 movementVector(0.0f);
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if (application->cameraMoveLeft.isTriggered())
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movementVector.x -= application->cameraMoveLeft.getCurrentValue();
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if (application->cameraMoveRight.isTriggered())
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movementVector.x += application->cameraMoveRight.getCurrentValue();
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if (application->cameraMoveForward.isTriggered())
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movementVector.y -= application->cameraMoveForward.getCurrentValue();
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if (application->cameraMoveBack.isTriggered())
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movementVector.y += application->cameraMoveBack.getCurrentValue();
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if (movementVector.x != 0.0f || movementVector.y != 0.0f)
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{
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movementVector *= 0.005f * application->surfaceCam->getFocalDistance() * application->dt / (1.0f / 60.0f);
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application->surfaceCam->move(movementVector);
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Vector3 focal = application->surfaceCam->getFocalPoint();
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}
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// Zoom camera
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float zoomFactor = application->surfaceCam->getFocalDistance() / 10.0f * application->dt / (1.0f / 60.0f);
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if (application->cameraZoomIn.isTriggered())
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application->surfaceCam->zoom(zoomFactor * application->cameraZoomIn.getCurrentValue());
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if (application->cameraZoomOut.isTriggered())
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application->surfaceCam->zoom(-zoomFactor * application->cameraZoomOut.getCurrentValue());
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// Rotate camera
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if (application->cameraRotateCW.isTriggered() && !application->cameraRotateCW.wasTriggered())
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{
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application->surfaceCam->rotate(glm::radians(-45.0f));
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}
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if (application->cameraRotateCCW.isTriggered() && !application->cameraRotateCCW.wasTriggered())
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{
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application->surfaceCam->rotate(glm::radians(45.0f));
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}
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}
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/*
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else
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{
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Plane plane;
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plane.set(Vector3(0, 1, 0), Vector3(0.0f));
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auto result = pickingRay.intersects(plane);
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pick = pickingRay.extrapolate(std::get<1>(result));
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}
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*/
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// Update camera
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application->surfaceCam->update(application->dt);
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// Picking
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glm::ivec2 mousePosition = application->mouse->getCurrentPosition();
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mousePosition.y = application->height - mousePosition.y;
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Vector4 viewport(0.0f, 0.0f, application->width, application->height);
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Vector3 mouseNear = application->camera.unproject(Vector3(mousePosition.x, mousePosition.y, 0.0f), viewport);
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Vector3 mouseFar = application->camera.unproject(Vector3(mousePosition.x, mousePosition.y, 1.0f), viewport);
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pickingRay.origin = mouseNear;
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pickingRay.direction = glm::normalize(mouseFar - mouseNear);
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std::list<Navmesh::Triangle*> triangles;
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application->currentLevel->terrain.getSurfaceOctree()->query(pickingRay, &triangles);
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auto result = intersects(pickingRay, triangles);
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if (std::get<0>(result))
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{
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pick = pickingRay.extrapolate(std::get<1>(result));
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std::size_t triangleIndex = std::get<3>(result);
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pickTriangle = (*application->currentLevel->terrain.getSurfaceNavmesh()->getTriangles())[triangleIndex];
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/*
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float forcepsDistance = application->forcepsSwoopTween->getTweenValue();
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//Quaternion rotation = glm::rotation(Vector3(0, 1, 0), triangle->normal);
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Quaternion rotation = glm::angleAxis(application->surfaceCam->getAzimuth(), Vector3(0, 1, 0)) *
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glm::angleAxis(glm::radians(15.0f), Vector3(0, 0, -1));
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Vector3 translation = pick + rotation * Vector3(0, forcepsDistance, 0);
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// Set tool position
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application->forcepsModelInstance.setTranslation(translation);
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application->forcepsModelInstance.setRotation(rotation);
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*/
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}
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// Update tools
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if (application->currentTool != nullptr)
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{
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application->currentTool->setPick(pick);
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application->currentTool->update(application->dt);
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}
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// Update colony
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if (!application->simulationPaused)
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{
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application->colony->update(application->dt);
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}
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}
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void GameState::exit()
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{
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// Remove input observers
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application->mouse->removeMouseButtonObserver(this);
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// Clear scene
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application->defaultLayer->removeObject(&application->currentLevel->terrainSurface);
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application->defaultLayer->removeObject(&application->currentLevel->terrainSubsurface);
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application->defaultLayer->removeObject(&application->biomeFloorModelInstance);
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application->defaultLayer->removeObject(application->forceps->getModelInstance());
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application->defaultLayer->removeObject(application->lens->getModelInstance());
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for (std::size_t i = 0; i < application->colony->getAntCount(); ++i)
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{
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Ant* ant = application->colony->getAnt(i);
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application->defaultLayer->removeObject(ant->getModelInstance());
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}
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// Kill all ants
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application->colony->killAll();
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// Hide HUD
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application->rectangularPaletteImage->setVisible(false);
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application->rectangularPaletteImage->setActive(false);
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application->toolbar->getContainer()->setVisible(false);
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application->toolbar->getContainer()->setActive(false);
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}
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void GameState::mouseButtonPressed(int button, int x, int y)
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{
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if (button == 1 && application->forceps->isActive())
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{
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application->forceps->pinch();
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}
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}
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void GameState::mouseButtonReleased(int button, int x, int y)
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{
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if (button == 1 && application->forceps->isActive())
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{
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application->forceps->release();
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}
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}
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