127 lines
4 KiB
C
127 lines
4 KiB
C
#include "object.h"
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#include "allocator.h"
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#include "dynarray.h"
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#include "log.h"
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#include "register.h"
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#define DT_TARGET 0.016
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struct Scene *make_scene(struct Vk *vk, struct Register *reg) {
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struct Scene *scene = malloc(sizeof(struct Scene));
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memset(scene, 0, sizeof(struct Scene));
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scene->vk = vk;
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scene->mem = make_mem(100000);
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if (reg == NULL) {
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scene->reg = make_register();
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} else {
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scene->reg = reg;
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}
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dyn_array_create_inplace_mem(&scene->objects, scene->mem);
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dyn_array_create_inplace_mem(&scene->insert_queue, scene->mem);
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dyn_array_create_inplace_mem(&scene->named, scene->mem);
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struct timespec time;
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clock_gettime(CLOCK_MONOTONIC, &time);
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scene->msecs = time.tv_sec * 1000000 + time.tv_nsec / 1000;
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return scene;
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}
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void free_scene(struct Scene *scene) {
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for (int i = 0; i < scene->objects.count; i++) {
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scene->objects.items[i]->type->free(scene, scene->objects.items[i]->data);
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mem_free(scene->mem, scene->objects.items[i]);
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}
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dyn_array_destroy(&scene->objects);
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for (int i = 0; i < scene->insert_queue.count; i++) {
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scene->insert_queue.items[i]->type->free(
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scene, scene->insert_queue.items[i]->data);
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mem_free(scene->mem, scene->insert_queue.items[i]);
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}
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dyn_array_destroy(&scene->insert_queue);
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dyn_array_destroy(&scene->named);
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uninit_mem(scene->mem);
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memset(scene, 0, sizeof(struct Scene));
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free(scene);
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}
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void scene_tick(struct Scene *scene) {
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struct timespec time;
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clock_gettime(CLOCK_MONOTONIC, &time);
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long msecs_start = time.tv_sec * 1000000 + time.tv_nsec / 1000;
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scene->delta_secs = (float)(msecs_start - scene->msecs) / 1000000;
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if (scene->insert_queue.count > 0) {
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for (int i = 0; i < scene->insert_queue.count; i++) {
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dyn_array_append(&scene->objects, scene->insert_queue.items[i]);
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}
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scene->insert_queue.count = 0;
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}
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for (int i = 0; i < scene->objects.count; i++) {
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scene->objects.items[i]->type->tick(scene, scene->objects.items[i]->data);
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}
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if (scene->insert_queue.count > 0) {
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for (int i = 0; i < scene->insert_queue.count; i++) {
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dyn_array_append(&scene->objects, scene->insert_queue.items[i]);
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}
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scene->insert_queue.count = 0;
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}
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clock_gettime(CLOCK_MONOTONIC, &time);
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long msecs_end = time.tv_sec * 1000000 + time.tv_nsec / 1000;
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struct timespec t = {
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.tv_sec = 0,
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.tv_nsec =
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(((1.0 / 120.0) * 1000000) - (msecs_end - scene->msecs)) * 1000,
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};
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scene->msecs = msecs_start;
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nanosleep(&t, NULL);
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meow("dt was %f", scene->delta_secs);
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}
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void scene_queue_insert(struct Scene *scene, char *name, void *object_data) {
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struct Type *type = reg_get_type(scene->reg, name);
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struct Object *object = mem_malloc(scene->mem, sizeof(struct Object));
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object->type = type;
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object->data = object_data;
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dyn_array_append(&scene->insert_queue, object);
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}
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void scene_queue_insert_from_data(struct Scene *scene, char *name, char *data,
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int len) {
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struct Type *type = reg_get_type(scene->reg, name);
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struct Object *object = mem_malloc(scene->mem, sizeof(struct Object));
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object->type = type;
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object->data = type->make(scene, data, len);
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dyn_array_append(&scene->insert_queue, object);
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}
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void scene_register_named(struct Scene *scene, const char *id,
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struct Object *object) {
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dyn_array_append(&scene->named, ((struct Named){id, object}));
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}
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void scene_unregister_named(struct Scene *scene, const char *id) {
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for (int i = 0; i < scene->named.count; i++) {
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if (strcmp(scene->named.items[i].id, id) == 0) {
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dyn_array_remove(&scene->named, i);
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return;
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}
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}
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meow("object with name %s was not found", id);
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}
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struct Object *scene_get_named(struct Scene *scene, const char *id) {
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for (int i = 0; i < scene->named.count; i++) {
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if (strcmp(scene->named.items[i].id, id) == 0) {
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return scene->named.items[i].object;
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}
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}
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meow("object with name %s was not found", id);
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return NULL;
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}
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