Labyrinth/handleEvents.c at master · jnrizvi/Labyrinth · GitHub

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
#include "headers/handleEvents.h"
#include "headers/physics2d.h"

int eventHandler(Agent *agent) {
    SDL_Event event;
    int done = 0;
    float normalSpeed = 3;
    float moveDirection[4] = {0, 0, 0, 0};

    while(SDL_PollEvent(&event)) {
        if (event.type == SDL_QUIT) {
            done = 1;
        }
    }

    const Uint8 *keystate = SDL_GetKeyboardState(NULL);

    if (keystate[SDL_SCANCODE_A]) {
        moveDirection[0] = normalSpeed;
        move(agent, moveDirection);
        agent->facingLeft = 1;
        moveDirection[0] = 0;
    }
    else if (keystate[SDL_SCANCODE_D]) {
        moveDirection[1] = normalSpeed;
        move(agent, moveDirection);
        agent->facingLeft = 0;
        moveDirection[1] = 0;
    }
    if (keystate[SDL_SCANCODE_W]) {
        if (agent->jumpAgain == true){
            agent->dy = -12;
            agent->jumpAgain = false;
        }
        // moveDirection[2] = normalSpeed;
        // move(agent, moveDirection);
        // moveDirection[2] = 0;
    }
    else if (keystate[SDL_SCANCODE_S]) {
        moveDirection[3] = normalSpeed;
        move(agent, moveDirection);
        moveDirection[3] = 0;
    }

    return done;
}

void move(Agent *agent, float moveDirection[4]) {
    if (moveDirection[0] != 0) {
        agent->x += -moveDirection[0];
        agent->coll.leftEdge += -moveDirection[0];
        agent->coll.rightEdge += -moveDirection[0];
    }
    if (moveDirection[1] != 0) {
        agent->x += moveDirection[1];
        agent->coll.leftEdge += moveDirection[1];
        agent->coll.rightEdge += moveDirection[1];
    }
    if (moveDirection[2] != 0) {
        agent->y += -moveDirection[2];
        agent->coll.top += -moveDirection[2];
        agent->coll.bottom += -moveDirection[2];
    }
    if (moveDirection[3] != 0) {
        agent->y += moveDirection[3];
        agent->coll.top += moveDirection[3];
        agent->coll.bottom += moveDirection[3];
    }
}