fix: .gitignore + add 44 language JSON files
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@@ -0,0 +1,192 @@
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#include "asset_manager.h"
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#include "../Rendering/mesh.h"
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#include "../Rendering/texture.h"
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#include "../Rendering/shader.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#define ASSET_BUCKET_COUNT 256
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struct AssetManager {
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Asset* buckets[ASSET_BUCKET_COUNT];
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uint32_t next_id;
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};
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static uint32_t hash_str(const char* s) {
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uint32_t h = 5381;
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while (*s) h = ((h << 5) + h) + (unsigned char)*s++;
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return h % ASSET_BUCKET_COUNT;
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}
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static int str_ends_with(const char* s, const char* suffix) {
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size_t ls = strlen(s), lf = strlen(suffix);
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return ls >= lf && strcmp(s + ls - lf, suffix) == 0;
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}
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static Asset* asset_alloc(AssetManager* am, AssetType type, const char* path, void* data, void (*destroy)(void*)) {
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Asset* a = (Asset*)calloc(1, sizeof(Asset));
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a->id = ++am->next_id;
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a->type = type;
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a->refcount = 1;
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a->owner = am;
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strncpy(a->path, path, sizeof(a->path) - 1);
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a->data = data;
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a->destroy = destroy;
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uint32_t h = hash_str(path);
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a->next = am->buckets[h];
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am->buckets[h] = a;
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return a;
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}
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static void asset_free(AssetManager* am, Asset* a) {
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if (!a) return;
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uint32_t h = hash_str(a->path);
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Asset** cur = &am->buckets[h];
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while (*cur) {
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if (*cur == a) {
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*cur = a->next;
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break;
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}
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cur = &(*cur)->next;
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}
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if (a->destroy) a->destroy(a->data);
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free(a);
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}
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AssetManager* asset_manager_create(void) {
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AssetManager* am = (AssetManager*)calloc(1, sizeof(AssetManager));
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return am;
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}
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void asset_manager_destroy(AssetManager* am) {
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if (!am) return;
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for (int i = 0; i < ASSET_BUCKET_COUNT; i++) {
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Asset* a = am->buckets[i];
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while (a) {
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Asset* next = a->next;
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if (a->destroy) a->destroy(a->data);
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free(a);
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a = next;
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}
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}
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free(am);
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}
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Asset* asset_manager_find(AssetManager* am, const char* path) {
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if (!am || !path) return NULL;
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uint32_t h = hash_str(path);
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for (Asset* a = am->buckets[h]; a; a = a->next) {
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if (strcmp(a->path, path) == 0) return a;
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}
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return NULL;
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}
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Asset* asset_manager_get(AssetManager* am, uint32_t id) {
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if (!am || id == 0) return NULL;
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for (int i = 0; i < ASSET_BUCKET_COUNT; i++) {
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for (Asset* a = am->buckets[i]; a; a = a->next) {
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if (a->id == id) return a;
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}
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}
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return NULL;
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}
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void* asset_data(Asset* a) { return a ? a->data : NULL; }
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void asset_acquire(Asset* a) { if (a) a->refcount++; }
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void asset_release(Asset* a) {
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if (!a) return;
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a->refcount--;
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if (a->refcount <= 0 && a->owner) {
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asset_free(a->owner, a);
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}
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}
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// ------------------------------------------------------------------
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// Mesh
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// ------------------------------------------------------------------
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static void destroy_mesh_asset(void* data) { mesh_destroy((Mesh*)data); }
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Asset* asset_manager_load_mesh(AssetManager* am, ID3D11Device* dev, const char* path) {
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if (!am || !dev || !path) return NULL;
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Asset* existing = asset_manager_find(am, path);
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if (existing) { asset_acquire(existing); return existing; }
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Mesh* mesh = NULL;
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if (strcmp(path, "cube") == 0) mesh = mesh_create_cube(dev);
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else if (strcmp(path, "sphere") == 0) mesh = mesh_create_sphere(dev, 1.0f, 16);
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else if (strcmp(path, "plane") == 0) mesh = mesh_create_plane(dev, 10.0f);
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else if (str_ends_with(path, ".obj")) mesh = mesh_load_obj(dev, path);
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if (!mesh) return NULL;
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return asset_alloc(am, ASSET_MESH, path, mesh, destroy_mesh_asset);
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}
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// ------------------------------------------------------------------
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// Texture
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// ------------------------------------------------------------------
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static void destroy_texture_asset(void* data) { texture_destroy((Texture*)data); }
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Asset* asset_manager_load_texture(AssetManager* am, ID3D11Device* dev, const char* path) {
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if (!am || !dev || !path) return NULL;
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Asset* existing = asset_manager_find(am, path);
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if (existing) { asset_acquire(existing); return existing; }
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Texture* tex = NULL;
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if (strcmp(path, "checkerboard") == 0) tex = texture_create_checkerboard(dev, 256, 8);
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else tex = texture_load_from_file(dev, path);
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if (!tex) return NULL;
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return asset_alloc(am, ASSET_TEXTURE, path, tex, destroy_texture_asset);
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}
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// ------------------------------------------------------------------
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// Shader
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// ------------------------------------------------------------------
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static void destroy_shader_asset(void* data) { shader_destroy((Shader*)data); }
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static char* read_file(const char* path, uint32_t* out_len) {
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FILE* f = fopen(path, "rb");
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if (!f) return NULL;
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fseek(f, 0, SEEK_END);
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long size = ftell(f);
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fseek(f, 0, SEEK_SET);
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if (size <= 0) { fclose(f); return NULL; }
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char* buf = (char*)malloc((size_t)size + 1);
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if (!buf) { fclose(f); return NULL; }
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fread(buf, 1, (size_t)size, f);
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buf[size] = '\0';
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fclose(f);
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if (out_len) *out_len = (uint32_t)size;
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return buf;
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}
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Asset* asset_manager_load_shader(AssetManager* am, ID3D11Device* dev, const char* vs_path, const char* ps_path) {
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if (!am || !dev) return NULL;
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char key[512];
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if (vs_path && ps_path) snprintf(key, sizeof(key), "%s|%s", vs_path, ps_path);
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else strcpy(key, "default");
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Asset* existing = asset_manager_find(am, key);
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if (existing) { asset_acquire(existing); return existing; }
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Shader* s = shader_create();
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if (vs_path && ps_path) {
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uint32_t vs_len = 0, ps_len = 0;
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char* vs = read_file(vs_path, &vs_len);
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char* ps = read_file(ps_path, &ps_len);
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if (!vs || !ps || !shader_compile(s, dev, vs, ps, vs_len, ps_len)) {
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shader_destroy(s); free(vs); free(ps); return NULL;
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}
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free(vs); free(ps);
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} else {
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if (!shader_compile(s, dev, NULL, NULL, 0, 0)) {
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shader_destroy(s); return NULL;
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}
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}
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return asset_alloc(am, ASSET_SHADER, key, s, destroy_shader_asset);
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}
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@@ -0,0 +1,48 @@
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#pragma once
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#include <stdint.h>
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#include <d3d11.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct AssetManager AssetManager;
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typedef struct Asset Asset;
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typedef enum {
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ASSET_MESH = 0,
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ASSET_TEXTURE,
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ASSET_SHADER,
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ASSET_MATERIAL,
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ASSET_COUNT
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} AssetType;
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struct Asset {
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uint32_t id;
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AssetType type;
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int refcount;
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char path[256];
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void* data;
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void (*destroy)(void* data);
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Asset* next;
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struct AssetManager* owner;
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};
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AssetManager* asset_manager_create(void);
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void asset_manager_destroy(AssetManager* am);
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Asset* asset_manager_load_mesh(AssetManager* am, ID3D11Device* dev, const char* path);
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Asset* asset_manager_load_texture(AssetManager* am, ID3D11Device* dev, const char* path);
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Asset* asset_manager_load_shader(AssetManager* am, ID3D11Device* dev, const char* vs_path, const char* ps_path);
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Asset* asset_manager_find(AssetManager* am, const char* path);
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Asset* asset_manager_get(AssetManager* am, uint32_t id);
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void* asset_data(Asset* a);
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void asset_acquire(Asset* a);
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void asset_release(Asset* a);
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#ifdef __cplusplus
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}
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#endif
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