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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 WorldMeshData
{
float posX, posY, posZ;
float texX, texY;
float transparency;
}__attribute__((packed));
struct WorldMaterial
{
bool passable = false;
Texture texture;
Texture normal;
WorldMaterial(sol::table tab) {
if (tab["texture"] != nullptr) {
sol::object t = tab["texture"];
texture = Texture(t);
}
if (tab["normal"] != nullptr) {
sol::object n = tab["normal"];
normal = Texture(n);
}
if (tab["passable"] == sol::type::boolean) {
passable = tab["passable"];
}
}
};
class Layer
{
private:
Texture texture;
Texture normal;
float drawLayer = 0.0f;
public:
Layer(float z, sol::table tab) {
drawLayer = z;
if (tab["texture"] != nullptr) {
sol::object t = tab["texture"];
texture = Texture(t);
}
if (tab["normal"] != nullptr) {
sol::object n = tab["normal"];
normal = Texture(n);
}
}
};
class SolidLayer : public Layer
{
private:
// hitbox something something
public:
SolidLayer(float z, sol::table tab) : Layer(z, tab) {
if (tab["hitbox"] != nullptr) {
std::cout << "hitbox: " << std::string(tab["hitbox"]) << std::endl;
}
}
};
class World
{
friend class WorldSystem;
private:
unsigned int seed;
unsigned int layers;
unsigned int height;
unsigned int width;
std::vector<std::vector<std::vector<int>>> data;
std::unordered_map<std::string, int> string_registry;
std::vector<WorldMaterial> registry;
// NEW
unsigned int unitSize;
std::vector<SolidLayer> solidLayers;
std::vector<Layer> drawLayers;
protected:
// RENDER
std::basic_string<WorldMeshData> mesh;
GLuint worldVBO;
bool meshUpdated = false;
public:
/* VARS */
sol::function generate;
sol::function registerMat;
World() {}
World(sol::object ref);
~World() {
registerMat = sol::nil;
generate = sol::nil;
registry.clear();
data.clear();
}
/* REGISTRY */
void registerMaterial(std::string, sol::object);
/* DATA */
void setData(unsigned int, unsigned int, unsigned int, std::string);
/* SIZE */
std::tuple<unsigned int, unsigned int, unsigned int> setSize(unsigned int,
unsigned int,
unsigned int);
std::tuple<unsigned int, unsigned int, unsigned int> getSize();
/* RENDERING */
void generateMesh();
std::basic_string<WorldMeshData>& getMesh() {return mesh;}
GLuint getTexture() {return registry.at(0).texture.tex;}
GLuint getNormal() {return registry.at(0).normal.tex;};
/* SEED */
unsigned int getSeed();
unsigned int setSeed(unsigned int);
/* PHYSICS */
double getHeight(double x, double y, double z);
// NEW
unsigned int getUnitSize() {return unitSize;}
void setUnitSize(unsigned int u) {unitSize = u;}
void registerLayer(float, sol::object);
void registerDecoLayer(float, 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);
World* current() {return currentWorld;};
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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