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
|
#include <SDL.h>
#include <SDL_ttf.h>
#include "colour.h"
#include "plot.h"
static SDL_Window *window = NULL;
static SDL_Renderer *renderer = NULL;
void
plot_update(void)
{
SDL_RenderPresent(renderer);
}
void
plot_rect(unsigned int x, unsigned int y, unsigned int width, unsigned int height, struct colour *c)
{
SDL_Rect rect;
SDL_SetRenderDrawColor(renderer, c->r, c->g, c->b, 255);
rect.x = x;
rect.y = y;
rect.w = width;
rect.h = height;
SDL_RenderFillRect(renderer, &rect);
}
void
plot_cell(unsigned int x, unsigned int y, struct colour *c)
{
plot_rect(
x*CELL_SIZE+(x-1)*BORDER_THICKNESS,
y*CELL_SIZE+(y-1)*BORDER_THICKNESS,
CELL_SIZE,
CELL_SIZE,
c
);
}
void
plot_text(const char *message, TTF_Font *font, SDL_Color color, int x, int y)
{
SDL_Texture *texture = NULL;
SDL_Rect dst;
dst.x = x;
dst.y = y;
SDL_Surface *surf = TTF_RenderUTF8_Blended(font, message, color);
if (!surf) {
printf("Error in TTF_RenderUTF8_Blended\n");
return;
}
texture = SDL_CreateTextureFromSurface(renderer, surf);
if (!texture){
printf("Error in SDL_CreateTextureFromSurface\n");
}
SDL_FreeSurface(surf);
SDL_QueryTexture(texture, NULL, NULL, &dst.w, &dst.h);
SDL_RenderCopy(renderer, texture, NULL, &dst);
SDL_DestroyTexture(texture);
}
void
plot_clear(void)
{
/* blank out the background with black */
SDL_SetRenderDrawColor(renderer, 0x28, 0x28, 0x28, 0xFF);
SDL_RenderFillRect(renderer, NULL);
}
int
plot_init(void)
{
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fprintf(stderr, "Failed to init SDL video: %s\n", SDL_GetError());
return 1;
}
window = SDL_CreateWindow(
"Tetris Clone",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
WIDTH_PIXELS,
HEIGHT_PIXELS,
SDL_WINDOW_SHOWN
);
if (window == NULL) {
fprintf(stderr, "Failed to create window: %s\n", SDL_GetError());
return 1;
}
renderer = SDL_CreateRenderer(window, 0, 0);
if (renderer == NULL) {
fprintf(stderr, "Failed to get window renderer: %s\n", SDL_GetError());
return 1;
}
plot_clear();
return 0;
}
|
