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root / proj / src / proj_func.c @ 260

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#include <lcom/lcf.h>
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#include "proj_func.h"
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#include "interrupts_func.h"
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#include "graph.h"
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#include "keyboard.h"
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#include "errors.h"
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#include "proj_macros.h"
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#include "utils.h"
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#include "ent.h"
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#include "fast_math.h"
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#include "rectangle.h"
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#include "font.h"
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#include <math.h>
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int cleanup(void) {
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    int r = SUCCESS;
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    if ((r = unsubscribe_all()))
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        printf("%s: failed to unsubscribe drivers.\n", __func__);
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    if ((r = graph_cleanup()))
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        printf("%s: graph cleanup failed\n", __func__);
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    return r;
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}
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static keys_t key_presses;
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void update_key_presses(void) {
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    if (sz == 1) {
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        switch(scancode[0]) {
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        case W_MAKE_CODE        : key_presses.w_pressed     = 1;        break;
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        case W_BREAK_CODE       : key_presses.w_pressed     = 0;        break;
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        case A_MAKE_CODE        : key_presses.a_pressed     = 1;        break;
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        case A_BREAK_CODE       : key_presses.a_pressed     = 0;        break;
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        case S_MAKE_CODE        : key_presses.s_pressed     = 1;        break;
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        case S_BREAK_CODE       : key_presses.s_pressed     = 0;        break;
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        case D_MAKE_CODE        : key_presses.d_pressed     = 1;        break;
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        case D_BREAK_CODE       : key_presses.d_pressed     = 0;        break;
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        case CTRL_MAKE_CODE     : key_presses.ctrl_pressed  = 1;        break;
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        case CTRL_BREAK_CODE    : key_presses.ctrl_pressed  = 0;        break;
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        case PLUS_MAKE_CODE     : key_presses.plus_pressed  = 1;    update_scale();        break;
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        case PLUS_BREAK_CODE    : key_presses.plus_pressed  = 0;    update_scale();        break;
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        case MINUS_MAKE_CODE    : key_presses.minus_pressed = 1;    update_scale();        break;
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        case MINUS_BREAK_CODE   : key_presses.minus_pressed = 0;    update_scale();        break;
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        }
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    }
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}
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void update_movement(const map_t *map, gunner_t *p, keys_t *keys, list_t *shooter_list) {
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    int ver_mov = keys->s_pressed - keys->w_pressed;
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    int hor_mov = keys->d_pressed - keys->a_pressed;
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    double x = gunner_get_x(p);
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    double y = gunner_get_y(p);
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    gunner_set_pos(p, x + SHOOTER_SPEED * hor_mov, y);
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    if (map_collides_gunner(map, p)) gunner_set_pos(p, x, y);
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    else {
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        list_node_t *it = list_begin(shooter_list);
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        while (it != list_end(shooter_list)) {
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            gunner_t *p2 = *(gunner_t**)list_node_val(it);
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            if (p != p2 && gunner_collides_gunner(p, p2)) {
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                gunner_set_pos(p, x, y);
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                break;
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            }
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            it = list_node_next(it);
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        }
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    }
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    x = gunner_get_x(p);
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    gunner_set_pos(p, x, y + SHOOTER_SPEED * ver_mov);
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    if (map_collides_gunner(map, p)) gunner_set_pos(p, x, y);
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    else {
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        list_node_t *it = list_begin(shooter_list);
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        while (it != list_end(shooter_list)) {
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            gunner_t *p2 = *(gunner_t**)list_node_val(it);
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            if (p != p2 && gunner_collides_gunner(p, p2)) {
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                gunner_set_pos(p, x, y);
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                break;
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            }
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            it = list_node_next(it);
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        }
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    }
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}
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void (shoot_bullet)(const gunner_t *shooter, list_t *bullet_list, const basic_sprite_t *bsp_bullet) {
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    double angle = gunner_get_angle(shooter);
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    double vx = -BULLET_SPEED * fm_sin(angle);
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    double vy = -BULLET_SPEED * fm_cos(angle);
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    bullet_t *bullet = bullet_ctor(shooter, bsp_bullet, gunner_get_x(shooter), gunner_get_y(shooter), vx, vy);
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    list_insert(bullet_list, list_end(bullet_list), bullet);
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}
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void (update_game_state)(const map_t *map, list_t *shooter_list, list_t *bullet_list) {
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    bullet_update_movement_list(bullet_list);
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    list_node_t *bullet_it = list_begin(bullet_list);
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    while (bullet_it != list_end(bullet_list)) {
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        /// Collision with walls
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        bullet_t *bullet = *(bullet_t**)list_node_val(bullet_it);
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        if (map_collides_bullet(map, bullet)) {
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            list_node_t *aux = list_node_next(bullet_it);
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            /// Delete bullet
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            bullet_dtor(list_erase(bullet_list, bullet_it));
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            /// Advance iterator
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            bullet_it = aux;
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            continue;
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        }
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        /// Collision with shooters
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        list_node_t *shooter_it = list_begin(shooter_list);
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        int deleted_bullet = false;
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        while(shooter_it != list_end(shooter_list)){
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            gunner_t *shooter = *(gunner_t**)list_node_val(shooter_it);
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            if(gunner_collides_bullet(shooter, bullet)) {
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                list_node_t *aux = list_node_next(bullet_it);
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                /// Change health
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                gunner_set_curr_health(shooter, gunner_get_curr_health(shooter) - bullet_get_damage(bullet));
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                if (gunner_get_curr_health(shooter) <= 0) {
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                    gunner_set_curr_health(shooter, gunner_get_health(shooter));
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                    get_random_spawn(map, shooter);
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                }
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                /// Delete bullet
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                bullet_dtor(list_erase(bullet_list, bullet_it)); deleted_bullet = true;
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                /// Advance iterator
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                bullet_it = aux;
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                break;
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            } else shooter_it = list_node_next(shooter_it);
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        }
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        if(deleted_bullet) continue;
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        /// Advance iterator if necessary
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        bullet_it = list_node_next(bullet_it);
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    }
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}
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void (get_random_spawn)(const map_t *map, gunner_t *p) {
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    uint16_t w = map_get_width(map), h = map_get_height(map);
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    double x, y;
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    do {
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        x = rand() % w;
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        y = rand() % h;
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        gunner_set_pos(p, x, y);
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    } while (map_collides_gunner(map, p));
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}
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void update_scale(void) {
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    static uint8_t last_plus = 0, last_minus = 0;
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    if (key_presses.ctrl_pressed) {
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        if (key_presses.plus_pressed && !last_plus) {
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            double scale = ent_get_scale();
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            scale *= 1.1;
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            if (scale <= MAX_SCALE) ent_set_scale(scale);
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        }
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        else if (key_presses.minus_pressed && !last_minus) {
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            double scale = ent_get_scale();
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            scale /= 1.1;
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            if (scale >= MIN_SCALE) ent_set_scale(scale);
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        }
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        //printf("SCALE: %d\n", (int)(ent_get_scale()*1000));
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    }
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    last_plus = key_presses.plus_pressed;
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    last_minus = key_presses.minus_pressed;
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}
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static int32_t mouse_x = 0, mouse_y = 0;
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void (update_mouse)(struct packet *p) {
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    mouse_x = max(0, mouse_x + p->delta_x);
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    mouse_x = min(mouse_x, graph_get_XRes() - 1);
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    mouse_y = max(0, mouse_y - p->delta_y);
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    mouse_y = min(mouse_y, graph_get_YRes() - 1);
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    key_presses.lb_pressed = p->lb;
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}
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keys_t* (get_key_presses)(void) {
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    return &key_presses;
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}
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int32_t* get_mouse_X(void) { return &mouse_x; }
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int32_t* get_mouse_Y(void) { return &mouse_y; }
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double get_mouse_angle(gunner_t *p) {
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    return atan2(gunner_get_y_screen(p) - mouse_y, mouse_x - gunner_get_x_screen(p));
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}
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struct menu {
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    rectangle_t *r0, *r1, *r2;
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    text_t      *t0, *t1, *t2;
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    rectangle_t *frame;
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};
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menu_t* (menu_ctor)(const font_t *fnt){
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    if(fnt == NULL) return NULL;
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    menu_t *ret = (menu_t*)malloc(sizeof(menu_t));
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    if (ret == NULL) return NULL;
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    ret->r0 = rectangle_ctor(0, 0, 400, 100);
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    ret->r1 = rectangle_ctor(0, 0, 400, 100);
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    ret->r2 = rectangle_ctor(0, 0, 400, 100);
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    ret->t0 = text_ctor(fnt, "PLAY");
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    ret->t1 = text_ctor(fnt, "TEST");
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    ret->t2 = text_ctor(fnt, "EXIT");
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    ret->frame = rectangle_ctor(0, 0, 800, 500);
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    if (ret->r0 == NULL || ret->r1 == NULL || ret->r2 == NULL ||
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        ret->t0 == NULL || ret->t1 == NULL || ret->t2 == NULL ||
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        ret->frame == NULL) return NULL;
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    // VISUAL
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    rectangle_set_fill_color(ret->r0, GRAPH_BLACK);
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    rectangle_set_outline_width(ret->r0, 2);
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    rectangle_set_outline_color(ret->r0, GRAPH_WHITE);
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    rectangle_set_fill_color(ret->r1, GRAPH_BLACK);
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    rectangle_set_outline_width(ret->r1, 2);
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    rectangle_set_outline_color(ret->r1, GRAPH_WHITE);
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    rectangle_set_fill_color(ret->r2, GRAPH_BLACK);
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    rectangle_set_outline_width(ret->r2, 2);
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    rectangle_set_outline_color(ret->r2, GRAPH_WHITE);
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    text_set_valign(ret->t0, text_valign_center);
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    text_set_halign(ret->t0, text_halign_center);
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    text_set_color(ret->t0, TEXT_COLOR);
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    text_set_valign(ret->t1, text_valign_center);
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    text_set_halign(ret->t1, text_halign_center);
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    text_set_color(ret->t1, TEXT_COLOR);
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    text_set_valign(ret->t2, text_valign_center);
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    text_set_halign(ret->t2, text_halign_center);
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    text_set_color(ret->t2, TEXT_COLOR);
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    rectangle_set_fill_color(ret->frame, GRAPH_BLACK);
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    rectangle_set_outline_width(ret->frame, 6);
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    rectangle_set_outline_color(ret->frame, GRAPH_WHITE);
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    // POSITIONS
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    rectangle_set_pos(ret->r0,
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                      graph_get_XRes()/2    - rectangle_get_w(ret->r0)/2,
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                      graph_get_YRes()*0.35 - rectangle_get_h(ret->r0)/2);
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    rectangle_set_pos(ret->r1,
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                    graph_get_XRes()/2    - rectangle_get_w(ret->r1)/2,
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                    graph_get_YRes()*0.5 - rectangle_get_h(ret->r1)/2);
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    rectangle_set_pos(ret->r2,
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                  graph_get_XRes()/2    - rectangle_get_w(ret->r2)/2,
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                  graph_get_YRes()*0.65 - rectangle_get_h(ret->r2)/2);
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    text_set_pos(ret->t0, rectangle_get_x(ret->r0)+rectangle_get_w(ret->r0)/2,
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                          rectangle_get_y(ret->r0)+rectangle_get_h(ret->r0)/2);
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    text_set_pos(ret->t1, rectangle_get_x(ret->r1)+rectangle_get_w(ret->r1)/2,
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                          rectangle_get_y(ret->r1)+rectangle_get_h(ret->r1)/2);
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    text_set_pos(ret->t2, rectangle_get_x(ret->r2)+rectangle_get_w(ret->r2)/2,
256
                          rectangle_get_y(ret->r2)+rectangle_get_h(ret->r2)/2);
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    rectangle_set_pos(ret->frame,
259
                  graph_get_XRes()/2    - rectangle_get_w(ret->frame)/2,
260
                  graph_get_YRes()*0.5 - rectangle_get_h(ret->frame)/2);
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    return ret;
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}
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264
static int highlighted = -1;
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266
int (menu_update_state)(menu_t *menu, int click) {
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268
    if (rectangle_collide_point(menu->r0, mouse_x, mouse_y)) {
269
        highlighted = GAME;
270
        if (click) return GAME;
271
    } else if (rectangle_collide_point(menu->r1, mouse_x, mouse_y)) {
272
        highlighted = TEST;
273
        if (click) return TEST;
274
    } else if (rectangle_collide_point(menu->r2, mouse_x, mouse_y)) {
275
        highlighted = EXIT;
276
        if (click) return EXIT;
277
    } else {
278
        highlighted = -1;
279
    }
280
    return MENU;
281
}
282
283
void (menu_draw)(menu_t *menu) {
284
    rectangle_draw(menu->frame);
285
    switch (highlighted) {
286
    case GAME:
287
        rectangle_set_fill_color(menu->r0, HIGHLIGHT_COLOR);
288
        rectangle_draw(menu->r0);
289
        rectangle_draw(menu->r1);
290
        rectangle_draw(menu->r2);
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        rectangle_set_fill_color(menu->r0, GRAPH_BLACK);
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        break;
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    case TEST:
294
        rectangle_set_fill_color(menu->r1, HIGHLIGHT_COLOR);
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        rectangle_draw(menu->r0);
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        rectangle_draw(menu->r1);
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        rectangle_draw(menu->r2);
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        rectangle_set_fill_color(menu->r1, GRAPH_BLACK);
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        break;
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    case EXIT:
301
        rectangle_set_fill_color(menu->r2, HIGHLIGHT_COLOR);
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        rectangle_draw(menu->r0);
303
        rectangle_draw(menu->r1);
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        rectangle_draw(menu->r2);
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        rectangle_set_fill_color(menu->r2, GRAPH_BLACK);
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        break;
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    default:
308
        rectangle_draw(menu->r0);
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        rectangle_draw(menu->r1);
310
        rectangle_draw(menu->r2);
311
        break;
312
    }
313
    text_draw(menu->t0);
314
    text_draw(menu->t1);
315
    text_draw(menu->t2);
316
}
317
318
void (menu_dtor)(menu_t *p){
319
    rectangle_dtor(p->r0);
320
    rectangle_dtor(p->r1);
321
    rectangle_dtor(p->r2);
322
    rectangle_dtor(p->frame);
323
    text_dtor(p->t0);
324
    text_dtor(p->t1);
325
    text_dtor(p->t2);
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    free(p);
327
}
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text_timer_t* (timer_ctor)(const font_t *fnt){
330
    if(fnt == NULL) return NULL;
331
    text_timer_t *ret = malloc(sizeof(timer_t));
332
    if (ret == NULL) return NULL;
333
    ret->time = 0;
334
    ret->text = text_ctor(fnt, "000s");
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    ret->array = text_get_string(ret->text);
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    text_set_color(ret->text, TEXT_COLOR);
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    return ret;
338
}
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340
void (timer_update)(text_timer_t *p){
341
    if (p->time >= 999) return;
342
    p->time++;
343
    p->array[2] = p->time % 10 + '0';
344
    p->array[1] = (p->time/10) % 10 + '0';
345
    p->array[0] = (p->time/100) % 10 + '0';
346
}
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void (timer_reset)(text_timer_t *p){
349
    p->time = 0;
350
    p->array[2] = '0';
351
    p->array[1] = '0';
352
    p->array[0] = '0';
353
}
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void (timer_dtor)(text_timer_t *p){
356
    if (p == NULL) return;
357
    text_dtor(p->text);
358
    free(p);
359
}