#include "CharacterMind.h"

#include "Camera.h"
#include "common.h"
#include "Keyboard.h"

void KeyboardMind::ProduceActions(const Character& character, std::vector<CharacterAction>& actions)
{
    glm::vec3 direction(0.0f);

    if (enabled) {
        // Flattened, so looking up or down doesn't slow walking
        const glm::vec3 forward = camera.t.GetFrontVector();
        const glm::vec3 right = camera.t.GetRightVector();
        const glm::vec3 flatForward = glm::normalize(glm::vec3(forward.x, 0.0f, forward.z));
        const glm::vec3 flatRight = glm::normalize(glm::vec3(right.x, 0.0f, right.z));

        // The camera's right vector points to the left of the screen, so A adds it
        if (keyboard->IsKeyDown(GLFW_KEY_W)) direction += flatForward;
        if (keyboard->IsKeyDown(GLFW_KEY_S)) direction -= flatForward;
        if (keyboard->IsKeyDown(GLFW_KEY_A)) direction += flatRight;
        if (keyboard->IsKeyDown(GLFW_KEY_D)) direction -= flatRight;
        if (glm::length(direction) > 0.0f)
            direction = glm::normalize(direction);
    }

    // Always sent, so letting go of the keys stops the character
    actions.push_back(CharacterAction::Move(direction));
}