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ProgrammingRainbowProgrammingRainbow
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8 files changed

+207
-149
lines changed

8 files changed

+207
-149
lines changed

‎Video04/game.c‎

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#include "game.h"
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#include "init_sdl.h"
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#include "load_media.h"
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void game_render_color(struct Game *g);
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void game_events(struct Game *g);
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void game_draw(struct Game *g);
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bool game_new(struct Game **game) {
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*game = calloc(1, sizeof(struct Game));
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if (*game == NULL) {
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fprintf(stderr, "Error Calloc of New Game.\n");
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return false;
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}
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struct Game *g = *game;
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if (!game_init_sdl(g)) {
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return false;
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}
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if (!game_load_media(g)) {
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return false;
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}
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g->is_running = true;
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srand((unsigned)time(NULL));
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return true;
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}
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void game_free(struct Game **game) {
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if (*game) {
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struct Game *g = *game;
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if (g->background) {
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SDL_DestroyTexture(g->background);
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g->background = NULL;
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}
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if (g->renderer) {
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SDL_DestroyRenderer(g->renderer);
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g->renderer = NULL;
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}
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if (g->window) {
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SDL_DestroyWindow(g->window);
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g->window = NULL;
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}
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SDL_Quit();
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free(g);
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g = NULL;
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*game = NULL;
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printf("All Clean!\n");
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}
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}
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void game_render_color(struct Game *g) {
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SDL_SetRenderDrawColor(g->renderer, (Uint8)rand(), (Uint8)rand(),
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(Uint8)rand(), 255);
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}
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void game_events(struct Game *g) {
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while (SDL_PollEvent(&g->event)) {
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switch (g->event.type) {
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case SDL_EVENT_QUIT:
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g->is_running = false;
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break;
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case SDL_EVENT_KEY_DOWN:
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switch (g->event.key.scancode) {
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case SDL_SCANCODE_ESCAPE:
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g->is_running = false;
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break;
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case SDL_SCANCODE_SPACE:
78+
game_render_color(g);
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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}
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void game_draw(struct Game *g) {
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SDL_RenderClear(g->renderer);
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SDL_RenderTexture(g->renderer, g->background, NULL, NULL);
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SDL_RenderPresent(g->renderer);
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}
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void game_run(struct Game *g) {
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while (g->is_running) {
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game_events(g);
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game_draw(g);
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SDL_Delay(16);
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}
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}

‎Video04/game.h‎

Lines changed: 18 additions & 0 deletions
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#ifndef GAME_H
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#define GAME_H
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#include "main.h"
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struct Game {
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SDL_Window *window;
8+
SDL_Renderer *renderer;
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SDL_Texture *background;
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SDL_Event event;
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bool is_running;
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};
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bool game_new(struct Game **game);
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void game_free(struct Game **game);
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void game_run(struct Game *g);
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#endif

‎Video04/init_sdl.c‎

Lines changed: 35 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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#include "init_sdl.h"
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bool game_init_sdl(struct Game *g) {
4+
if (!SDL_Init(SDL_FLAGS)) {
5+
fprintf(stderr, "Error initializing SDL3: %s\n", SDL_GetError());
6+
return false;
7+
}
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9+
g->window = SDL_CreateWindow(WINDOW_TITLE, WINDOW_WIDTH, WINDOW_HEIGHT, 0);
10+
if (!g->window) {
11+
fprintf(stderr, "Error creating Window: %s\n", SDL_GetError());
12+
return false;
13+
}
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15+
g->renderer = SDL_CreateRenderer(g->window, NULL);
16+
if (!g->renderer) {
17+
fprintf(stderr, "Error creating Renderer: %s\n", SDL_GetError());
18+
return false;
19+
}
20+
21+
SDL_Surface *icon_surf = IMG_Load("images/C-logo.png");
22+
if (!icon_surf) {
23+
fprintf(stderr, "Error loading Surface: %s\n", SDL_GetError());
24+
return false;
25+
}
26+
27+
if (!SDL_SetWindowIcon(g->window, icon_surf)) {
28+
fprintf(stderr, "Error setting Window Icon: %s\n", SDL_GetError());
29+
SDL_DestroySurface(icon_surf);
30+
return false;
31+
}
32+
SDL_DestroySurface(icon_surf);
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return true;
35+
}

‎Video04/init_sdl.h‎

Lines changed: 8 additions & 0 deletions
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#ifndef INIT_SDL_H
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#define INIT_SDL_H
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#include "game.h"
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bool game_init_sdl(struct Game *g);
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#endif

‎Video04/load_media.c‎

Lines changed: 11 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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1+
#include "load_media.h"
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bool game_load_media(struct Game *g) {
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g->background = IMG_LoadTexture(g->renderer, "images/background.png");
5+
if (!g->background) {
6+
fprintf(stderr, "Error loading Texture: %s\n", SDL_GetError());
7+
return false;
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}
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return true;
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}

‎Video04/load_media.h‎

Lines changed: 8 additions & 0 deletions
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#ifndef LOAD_MEDIA_H
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#define LOAD_MEDIA_H
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#include "game.h"
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bool game_load_media(struct Game *g);
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#endif

‎Video04/main.c‎

Lines changed: 3 additions & 149 deletions
Original file line numberDiff line numberDiff line change
@@ -1,158 +1,12 @@
1-
#include <SDL3/SDL.h>
2-
#include <SDL3/SDL_main.h>
3-
#include <SDL3_image/SDL_image.h>
4-
#include <stdbool.h>
5-
#include <stdio.h>
6-
#include <stdlib.h>
7-
#include <time.h>
8-
9-
#define SDL_FLAGS SDL_INIT_VIDEO
10-
11-
#define WINDOW_TITLE "Changing Colors"
12-
#define WINDOW_WIDTH 800
13-
#define WINDOW_HEIGHT 600
14-
15-
struct Game {
16-
SDL_Window *window;
17-
SDL_Renderer *renderer;
18-
bool is_running;
19-
SDL_Event event;
20-
SDL_Texture *background;
21-
};
22-
23-
bool game_load_media(struct Game *g);
24-
bool game_init_sdl(struct Game *g);
25-
bool game_new(struct Game *g);
26-
void game_free(struct Game *g);
27-
void game_render_color(struct Game *g);
28-
void game_events(struct Game *g);
29-
void game_draw(const struct Game *g);
30-
void game_run(struct Game *g);
31-
32-
bool game_init_sdl(struct Game *g) {
33-
if (!SDL_Init(SDL_FLAGS)) {
34-
fprintf(stderr, "Error initializing SDL: %s\n", SDL_GetError());
35-
return false;
36-
}
37-
38-
g->window = SDL_CreateWindow(WINDOW_TITLE, WINDOW_WIDTH, WINDOW_HEIGHT, 0);
39-
if (!g->window) {
40-
fprintf(stderr, "Error creating window: %s\n", SDL_GetError());
41-
return false;
42-
}
43-
44-
g->renderer = SDL_CreateRenderer(g->window, NULL);
45-
if (!g->renderer) {
46-
fprintf(stderr, "Error creating renderer: %s\n", SDL_GetError());
47-
return false;
48-
}
49-
50-
return true;
51-
}
52-
53-
bool game_load_media(struct Game *g) {
54-
g->background = IMG_LoadTexture(g->renderer, "images/background.png");
55-
if (!g->background) {
56-
fprintf(stderr, "Error creating Texture: %s\n", SDL_GetError());
57-
return false;
58-
}
59-
60-
return true;
61-
}
62-
63-
bool game_new(struct Game *g) {
64-
g->is_running = true;
65-
66-
if (!game_init_sdl(g)) {
67-
return false;
68-
}
69-
70-
if (!game_load_media(g)) {
71-
return false;
72-
}
73-
74-
srand((unsigned)time(NULL));
75-
76-
return true;
77-
}
78-
79-
void game_free(struct Game *g) {
80-
if (g->background) {
81-
SDL_DestroyTexture(g->background);
82-
g->background = NULL;
83-
}
84-
85-
if (g->renderer) {
86-
SDL_DestroyRenderer(g->renderer);
87-
g->renderer = NULL;
88-
}
89-
90-
if (g->window) {
91-
SDL_DestroyWindow(g->window);
92-
g->window = NULL;
93-
}
94-
95-
SDL_Quit();
96-
97-
printf("all clean!\n");
98-
}
99-
100-
void game_render_color(struct Game *g) {
101-
SDL_SetRenderDrawColor(g->renderer, (Uint8)rand() % 256,
102-
(Uint8)rand() % 256, (Uint8)rand() % 256, 255);
103-
}
104-
105-
void game_events(struct Game *g) {
106-
while (SDL_PollEvent(&g->event)) {
107-
switch (g->event.type) {
108-
case SDL_EVENT_QUIT:
109-
g->is_running = false;
110-
break;
111-
case SDL_EVENT_KEY_DOWN:
112-
switch (g->event.key.scancode) {
113-
case SDL_SCANCODE_ESCAPE:
114-
g->is_running = false;
115-
break;
116-
case SDL_SCANCODE_SPACE:
117-
game_render_color(g);
118-
break;
119-
default:
120-
break;
121-
}
122-
break;
123-
default:
124-
break;
125-
}
126-
}
127-
}
128-
129-
void game_draw(const struct Game *g) {
130-
SDL_RenderClear(g->renderer);
131-
132-
SDL_RenderTexture(g->renderer, g->background, NULL, NULL);
133-
134-
SDL_RenderPresent(g->renderer);
135-
}
136-
137-
void game_run(struct Game *g) {
138-
while (g->is_running) {
139-
140-
game_events(g);
141-
142-
game_draw(g);
143-
144-
SDL_Delay(16);
145-
}
146-
}
1+
#include "game.h"
1472

1483
int main(void) {
1494
bool exit_status = EXIT_FAILURE;
1505

151-
struct Game game = {0};
6+
struct Game *game = NULL;
1527

1538
if (game_new(&game)) {
154-
155-
game_run(&game);
9+
game_run(game);
15610

15711
exit_status = EXIT_SUCCESS;
15812
}

‎Video04/main.h‎

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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1+
#ifndef MAIN_H
2+
#define MAIN_H
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4+
#include <SDL3/SDL.h>
5+
#include <SDL3/SDL_main.h>
6+
#include <SDL3_image/SDL_image.h>
7+
#include <stdbool.h>
8+
#include <stdio.h>
9+
#include <stdlib.h>
10+
#include <time.h>
11+
12+
#define SDL_FLAGS SDL_INIT_VIDEO
13+
14+
#define WINDOW_TITLE "Random Colors"
15+
#define WINDOW_WIDTH 800
16+
#define WINDOW_HEIGHT 600
17+
18+
#endif

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