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/**
* @file world.hpp
* Manages the world systems
*
* Copyright (C) 2019 Belle-Isle, Andrew <drumsetmonkey@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SYSTEM_WORLD_HPP_
#define SYSTEM_WORLD_HPP_
#include <vector>
#include <entityx/entityx.h>
#include <sol/sol.hpp>
#include "texture.hpp"
struct WorldMaterial
{
bool passable = false;
Texture texture;
Texture normal;
WorldMaterial(sol::table tab) {
if (tab["texture"] == sol::type::string) {
std::string tex = tab["texture"];
texture = Texture(tex);
}
if (tab["normal"] == sol::type::string) {
std::string nor = tab["normal"];
normal = Texture(nor);
}
if (tab["passable"] == sol::type::boolean) {
passable = tab["passable"];
}
}
};
class World
{
private:
unsigned int seed;
unsigned int layers;
std::vector<std::vector<std::vector<unsigned int>>> data;
std::unordered_map<std::string, unsigned int> string_registry;
std::vector<WorldMaterial> registry;
public:
World() {}
World(sol::object ref);
~World() {
registerMat = sol::nil;
generate = sol::nil;
registry.clear();
data.clear();
}
sol::function generate;
sol::function registerMat;
/* SEED */
unsigned int getSeed() {return seed;}
void setSeed(unsigned int s) {seed = s;}
/* LAYERS */
unsigned int getLayers() {return layers;}
// If we change the amount of layers, we have to regenerate the world
void setLayers(unsigned int l) {
layers = l;
generate();
}
/* DATA */
void setData(unsigned int, unsigned int, unsigned int, std::string);
/* REGISTRY */
void registerMaterial(std::string, sol::object);
};
/**
* @class WorldSystem
* Handles the game's world system
*/
class WorldSystem : public entityx::System<WorldSystem>
{
private:
std::vector<World> worlds;
World* currentWorld;
public:
WorldSystem(void):
currentWorld(nullptr) {}
~WorldSystem(void) {
currentWorld = nullptr;
worlds.clear();
}
World* addWorld(sol::object);
void cleanup()
{
worlds.clear();
}
/**
* Prepares the system for running.
*/
void configure(entityx::EntityManager& entities,
entityx::EventManager& events) final;
/**
* Updates the world ticks (entity spawns and world events)
*/
void update(entityx::EntityManager& entites,
entityx::EventManager& events,
entityx::TimeDelta dt) final;
};
#endif // SYSTEM_WORLD_HPP_
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