1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/**
* @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 <soil/SOIL.h>
#include "texture.hpp"
#include "events/render.hpp"
#include <components/Position.hpp> // For entity position
#include <components/Velocity.hpp> // For entity velocity
#include <components/Physics.hpp> // For entity hitbox(es)
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
{
friend class World;
private:
Texture texture;
Texture normal;
float drawLayer = 0.0f;
GLuint layerVBO;
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);
}
glGenBuffers(1, &layerVBO);
}
};
class SolidLayer : public Layer
{
friend class World;
private:
std::vector<std::vector<bool>> hitbox;
public:
SolidLayer(float z, sol::table tab) : Layer(z, tab) {
if (tab["hitbox"] != nullptr) {
int width, height, channels;
unsigned char* box =
SOIL_load_image(std::string(tab["hitbox"]).c_str(),
&width, &height, &channels,
SOIL_LOAD_RGBA);
for (int w = 0; w < width*channels; w+=channels) {
hitbox.push_back(std::vector<bool>(height));
for (int h = 0; h < height; h++) {
unsigned char* c = &box[(w) + (width*h*channels)];
// we want to read the last channel (alpha)
if (c[channels-1]) {
hitbox[w/channels][height-h] = true;
}
else
hitbox[w/channels][height-h] = false;
}
}
SOIL_free_image_data(box);
}
}
};
class World
{
friend class WorldSystem;
private:
unsigned int seed;
unsigned int layers;
unsigned int unitSize;
std::vector<std::shared_ptr<SolidLayer>> solidLayers;
std::vector<std::shared_ptr<Layer>> drawLayers;
std::vector<std::pair<glm::vec2, glm::vec2>>
getIntersectingPlanes(glm::vec2 origin, glm::vec2 dir);
protected:
// RENDER
std::vector<WorldMeshUpdateEvent> meshAdd;
GLuint worldVBO;
public:
/* VARS */
sol::function generate;
sol::function registerMat;
World() {}
World(sol::object ref);
~World() {
registerMat = sol::nil;
generate = sol::nil;
}
std::tuple<unsigned int, unsigned int, unsigned int> getSize();
/* RENDERING */
void generateMesh();
/* SEED */
unsigned int getSeed();
unsigned int setSeed(unsigned int);
/* PHYSICS */
double getHeight(double x, double y, double z);
glm::vec3 collide(glm::vec3 &start, glm::vec3 &end, Physics &phys);
// 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_
|
