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
|
#include "renderer.h"
#include "simulation.h"
#include "consts.h"
#include "level.h"
Renderer::Renderer()
{
win_ = window_ptr(
SDL_CreateWindow(
"dispatcher",
100,
100,
WINDOW_SIZE.w(),
WINDOW_SIZE.h(),
SDL_WINDOW_SHOWN));
if (!win_)
{
throw sdl_error();
}
ren_ = renderer_ptr(
SDL_CreateRenderer(
win_.get(),
-1,
SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC));
if (!ren_)
{
throw sdl_error();
}
SDL_SetRenderDrawBlendMode(ren_.get(), SDL_BLENDMODE_MOD);
SDL_SetRenderDrawColor(ren_.get(), 255, 150, 255, 255);
SDL_RenderFillRect(ren_.get(), nullptr);
}
void Renderer::render(const Simulation& sim)
{
texture_ptr canvas(
SDL_CreateTexture(
ren_.get(),
SDL_PIXELFORMAT_RGBA8888,
SDL_TEXTUREACCESS_TARGET,
WINDOW_SIZE.w(),
WINDOW_SIZE.h()));
if (!canvas)
{
throw sdl_error();
}
SDL_SetRenderTarget(ren_.get(), nullptr);
SDL_SetRenderDrawBlendMode(ren_.get(), SDL_BLENDMODE_NONE);
SDL_SetRenderDrawColor(ren_.get(), 255, 150, rand() % 255, 255);
SDL_RenderClear(ren_.get());
const Level& level = sim.getLevel();
for (size_t y = 0; y < level.getSize().h(); y++)
{
for (size_t x = 0; x < level.getSize().w(); x++)
{
int val = 255 - level.at(x, y) * 10;
SDL_SetRenderDrawColor(ren_.get(), val, val, val, 255);
SDL_Rect rect {
static_cast<int>(x * TILE_SIZE.w()),
static_cast<int>(y * TILE_SIZE.h()),
TILE_SIZE.w(),
TILE_SIZE.h()
};
SDL_RenderFillRect(ren_.get(), &rect);
}
}
for (Simulation::id_type id : sim.getActive())
{
const Entity& entity = sim.getEntity(id);
SDL_SetRenderDrawColor(ren_.get(), entity.colorVal, entity.colorVal, 65, 255);
SDL_Rect rect {
static_cast<int>(entity.pos.x()),
static_cast<int>(entity.pos.y()),
static_cast<int>(entity.size.w()),
static_cast<int>(entity.size.h())
};
SDL_RenderFillRect(ren_.get(), &rect);
}
//SDL_RenderCopy(ren_.get(), canvas.get(), nullptr, nullptr);
SDL_RenderPresent(ren_.get());
}
|
