1 files changed, 132 insertions, 0 deletions
diff --git a/engine-ocean/Game/Systems/charactercontrollersystem.cpp b/engine-ocean/Game/Systems/charactercontrollersystem.cpp
new file mode 100644
index 0000000..c5e7174
--- /dev/null
+++ b/engine-ocean/Game/Systems/charactercontrollersystem.cpp
@@ -0,0 +1,132 @@
+#include "charactercontrollersystem.h"
+#include "Game/Components/CollisionComponents/CollisionComponent.h"
+#include "Game/Components/CollisionComponents/CylinderCollider.h"
+#include "Game/Components/TransformComponent.h"
+#include "Game/Systems/CollisionSystems/ellipsoidtrianglecollisionsystem.h"
+#include <glm/gtx/quaternion.hpp>
+
+CharacterControllerSystem::CharacterControllerSystem(std::map<std::string, std::shared_ptr<GameObject>>& gameobjects,
+                                                     std::shared_ptr<Camera>& camera_param,
+                                                     std::map<int, Input>& input_map,
+                                                     std::map<std::string, BlackboardData>& global_blackboard):
+    m_gameobjects(gameobjects),
+    camera(camera_param),
+    m_input_map(input_map),
+    m_global_blackboard(global_blackboard)
+{
+}
+
+void CharacterControllerSystem::draw(){
+}
+
+TransformComponent* CharacterControllerSystem::getPlayerTransform(){
+    return m_gameobjects.at("player")->getComponent<TransformComponent>();
+}
+
+glm::vec3 CharacterControllerSystem::getPlayerPos(){
+    return m_gameobjects.at("player")->getComponent<TransformComponent>()->getPos();
+}
+
+
+float CharacterControllerSystem::jumpPlayer(float &initial_v, double deltaTime, float snapshot_time, float gravity){
+    float t = deltaTime-snapshot_time;
+    float delta_y = initial_v*t + (.5f)*gravity*t*t;
+    return delta_y;
+}
+
+bool CharacterControllerSystem::movePlayerLaterally(glm::vec3 dir, glm::vec3 perp, glm::vec3 &m_pos, float dt){
+    glm::vec3 translationDir;
+    bool moving_laterally = false;
+    std::shared_ptr<ModelTransform> temp_mt = getPlayerTransform()->getMT();
+
+    if (m_input_map[GLFW_KEY_W].isActive){
+        m_currentSpeed = RUN_SPEED;
+        moving_laterally = true;
+    } else if (m_input_map[GLFW_KEY_S].isActive){
+        m_currentSpeed = -RUN_SPEED;
+        moving_laterally = true;
+    } else {
+        m_currentSpeed = 0.f;
+    }
+
+
+    glm::mat4 rot = glm::mat4(1.f);
+    // player turning
+    if (m_input_map[GLFW_KEY_D].isActive){
+        m_currentTurnSpeed = -TURN_SPEED;
+        moving_laterally = true;
+    } else if (m_input_map[GLFW_KEY_A].isActive){
+        m_currentTurnSpeed = TURN_SPEED;
+        moving_laterally = true;
+    } else {
+        m_currentTurnSpeed = 0.f;
+    }
+
+    // rotate player
+    getPlayerTransform()->getMT()->rotate(m_currentTurnSpeed*dt, glm::vec3(0.f, 1.f, 0.f));
+
+
+    //translate player based on rotation
+    float distance = m_currentSpeed*dt;
+    glm::vec4 movement = distance*glm::vec4(1.f,0.f,0.f, 0.f);
+    glm::vec4 transl = getPlayerTransform()->getMT()->getRotation()*movement;
+
+    translationDir = glm::vec3(transl.x, 0.f, transl.z);
+    temp_mt->translate(translationDir);
+    glm::vec3 potential_pos = temp_mt->getPos();
+    m_pos = potential_pos;
+
+
+    return moving_laterally;
+}
+
+void CharacterControllerSystem::handlePlayerMovement(double deltaTime){
+    // timing
+        float dt = deltaTime - snapshot_time;
+        snapshot_time = deltaTime;
+
+        // get player positions
+        m_pos = getPlayerPos();
+        getPlayerTransform()->old_pos = m_pos;
+
+        // movement
+        getPlayerTransform()->movingLaterally = false;
+        float speedFactor = horiz_velocity * deltaTime;
+        glm::vec3 look = camera->getLook();
+        glm::vec3 dir = glm::normalize(glm::vec3(look.x, 0.f, look.z)) * speedFactor;
+        glm::vec3 perp = glm::vec3(look.z, 0.f, -look.x) * speedFactor;
+
+        // updates m_pos
+        if (movePlayerLaterally(dir, perp, m_pos, dt)){
+            getPlayerTransform()->movingLaterally = true;
+        }
+
+        if (m_input_map[GLFW_KEY_SPACE].isActive && (getPlayerTransform()->onGround)){
+            getPlayerTransform()->gravity = -25.f;
+            getPlayerTransform()->yVelocity = 20.f;
+            getPlayerTransform()->onGround = false;
+            //if (!gravity) gravity = true;
+            m_global_blackboard["player"].conditionData["isJumping"].conditionTrue = true;
+        } else if (!m_input_map[GLFW_KEY_SPACE].isActive && getPlayerTransform()->onGround){
+            m_global_blackboard["player"].conditionData["isJumping"].conditionTrue = false;
+        }
+
+        // PLAYER-SPECIFIC GRAVITY (comment these two lines to keep player still)
+        //if (gravity){
+        m_pos.y += jumpPlayer(getPlayerTransform()->yVelocity, dt, 0, getPlayerTransform()->gravity);
+        getPlayerTransform()->yVelocity = getPlayerTransform()->yVelocity + getPlayerTransform()->gravity*(dt);
+        //}
+
+        // store m_pos as estimated final_pos
+        m_global_blackboard["player"].locationData.setToPos = m_pos;
+
+        getPlayerTransform()->estimated_final_pos = m_pos;
+}
+
+
+void CharacterControllerSystem::update(double deltaTime){
+    handlePlayerMovement(deltaTime);
+}
+
+void CharacterControllerSystem::scrollEvent(double distance){}
+void CharacterControllerSystem::mousePosEvent(double xpos, double ypos){}