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
211
212
213
|
#include "SdlContext.h"
#include "SDL_hints.h"
#include "SDL_rect.h"
#include "SDL_stdinc.h"
#include "api/Sprite.h"
#include "api/Transform.h"
#include "facade/Texture.h"
#include "util/log.h"
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>
#include <SDL2/SDL_render.h>
#include <SDL2/SDL_surface.h>
#include <SDL2/SDL_video.h>
#include <cstddef>
#include <iostream>
#include <ostream>
using namespace crepe;
SdlContext & SdlContext::get_instance() {
static SdlContext instance;
return instance;
}
void SdlContext::handleEvents(bool & running) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT) {
running = false;
}
}
}
void SdlContext::clearScreen() { SDL_RenderClear(this->m_game_renderer); }
void SdlContext::presentScreen() { SDL_RenderPresent(this->m_game_renderer); }
void SdlContext::draw(const api::Sprite & sprite,
const api::Transform & transform) {
static SDL_RendererFlip renderFlip
= (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flipX)
| (SDL_FLIP_VERTICAL * sprite.flip.flipY));
// needs maybe camera for position
static SDL_Rect dstrect = {
.x = static_cast<int>(transform.position.x),
.y = static_cast<int>(transform.position.y),
.w
= static_cast<int>(sprite.sprite_image->get_rect().w * transform.scale),
.h
= static_cast<int>(sprite.sprite_image->get_rect().h * transform.scale),
};
SDL_RenderCopyEx(this->m_game_renderer, sprite.sprite_image->get_texture(),
&sprite.sprite_image->get_rect(), &dstrect, 0, NULL,
renderFlip);
}
SdlContext::SdlContext() {
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
std::cerr << "SDL could not initialize! SDL_Error: " << SDL_GetError()
<< std::endl;
return;
}
m_game_window = SDL_CreateWindow(
"Crepe Game Engine", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
1920, 1080, SDL_WINDOW_SHOWN);
if (!m_game_window) {
std::cerr << "Window could not be created! SDL_Error: "
<< SDL_GetError() << std::endl;
}
m_game_renderer
= SDL_CreateRenderer(m_game_window, -1, SDL_RENDERER_ACCELERATED);
if (!m_game_renderer) {
std::cerr << "Renderer could not be created! SDL_Error: "
<< SDL_GetError() << std::endl;
SDL_DestroyWindow(m_game_window);
return;
}
int imgFlags = IMG_INIT_PNG;
if (!(IMG_Init(imgFlags) & imgFlags)) {
std::cout << "SDL_image could not initialize! SDL_image Error: "
<< IMG_GetError() << std::endl;
}
SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1");
SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
//SDL_SetHint(SDL_HINT_RENDER_OPENGL_SHADERS, "1");
SDL_SetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION, "X");
const char * hint = SDL_GetHint(SDL_HINT_RENDER_BATCHING);
if (hint != NULL) {
std::cout << "SDL_HINT_RENDER_BATCHING: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
if (hint != NULL) {
std::cout << "SDL_HINT_RENDER_DRIVER: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_RENDER_OPENGL_SHADERS);
if (hint != NULL) {
std::cout << "SDL_HINT_RENDER_OPENGL_SHADERS: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
if (hint != NULL) {
std::cout << "SDL_HINT_RENDER_SCALE_QUALITY: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
if (hint != NULL) {
std::cout << "SDL_HINT_RENDER_VSYNC: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_TIMER_RESOLUTION);
if (hint != NULL) {
std::cout << "SDL_HINT_TIMER_RESOLUTION: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT);
if (hint != NULL) {
std::cout << "SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT: " << hint
<< std::endl;
}
hint = SDL_GetHint(SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN);
if (hint != NULL) {
std::cout << "SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN: "
<< hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_RENDER_LOGICAL_SIZE_MODE);
if (hint != NULL) {
std::cout << "SDL_HINT_RENDER_LOGICAL_SIZE_MODE: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_VIDEO_DOUBLE_BUFFER);
if (hint != NULL) {
std::cout << "SDL_HINT_VIDEO_DOUBLE_BUFFER: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_OPENGL_ES_DRIVER);
if (hint != NULL) {
std::cout << "SDL_HINT_OPENGL_ES_DRIVER: " << hint << std::endl;
}
hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
if (hint != NULL) {
std::cout << "SDL_HINT_FRAMEBUFFER_ACCELERATION: " << hint << std::endl;
}
std::cout << "HALLO " << std::endl;
}
SdlContext::~SdlContext() {
if (m_game_renderer) SDL_DestroyRenderer(m_game_renderer);
if (m_game_window) {
SDL_DestroyWindow(m_game_window);
}
IMG_Quit();
SDL_Quit();
}
SDL_Texture * SdlContext::setTextureFromPath(const char * path, SDL_Rect & clip,
const int row, const int col) {
dbg_trace();
SDL_Surface * tmp = IMG_Load(path);
if (!tmp) {
std::cerr << "Error surface " << IMG_GetError << std::endl;
}
clip.w = tmp->w / col;
clip.h = tmp->h / row;
SDL_Texture * CreatedTexture
= SDL_CreateTextureFromSurface(m_game_renderer, tmp);
if (!CreatedTexture) {
std::cerr << "Error could not create texture " << IMG_GetError
<< std::endl;
}
SDL_FreeSurface(tmp);
return CreatedTexture;
}
SDL_Texture * SdlContext::setTextureFromPath(const char * path) {
dbg_trace();
SDL_Surface * tmp = IMG_Load(path);
if (!tmp) {
std::cerr << "Error surface " << IMG_GetError << std::endl;
}
SDL_Texture * CreatedTexture
= SDL_CreateTextureFromSurface(m_game_renderer, tmp);
if (!CreatedTexture) {
std::cerr << "Error could not create texture " << IMG_GetError
<< std::endl;
}
SDL_FreeSurface(tmp);
return CreatedTexture;
}
|