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cdlv.c
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#include "cdlv.h"
#include "parse.h"
#include "util.h"
#include "resource.h"
#include "scene.h"
static inline cdlv_error extract_path(cdlv* base, const char* path) {
char* sl = strrchr(path, '/');
if(!sl) {
sl = strrchr(path, '\\');
if(!sl) {
cdlv_logv("Detected improper script file path: %s", path);
cdlv_err(cdlv_file_error);
}
}
char basepath[sl-path+2];
sprintf(basepath, "%.*s", (int)(sl-path+1), path);
cdlv_strdup(&base->resources_path, basepath, sl-path+2);
cdlv_err(cdlv_ok);
}
static inline int load_global_resources(char *key, void *value, void *user) {
cdlv_resource* resource = (cdlv_resource*)value;
cdlv* base = (cdlv*)user;
cdlv_resource_load(base, resource);
return 1;
}
typedef struct {
uint16_t index;
cdlv_scene* scene;
} cdlv_scene_searcher;
static inline int find_scene_index(char* key, void* value, void* user) {
cdlv_scene* scene = (cdlv_scene*)value;
cdlv_scene_searcher* arg = (cdlv_scene_searcher*)user;
if(scene->index == arg->index) {
arg->scene = scene;
return 0;
}
return 1;
}
static inline cdlv_error cdlv_set_scene(cdlv* base, const uint16_t index) {
cdlv_scene_searcher search = {
.index = index,
.scene = NULL,
};
dic_forEach(base->scenes, find_scene_index, &search);
if(search.scene) {
cdlv_error res;
base->current_scene = search.scene;
base->current_scene_index = index;
if((res = cdlv_scene_load(base, search.scene)) != cdlv_ok) cdlv_err(res);
} else {
cdlv_logv("Could not find scene with index: %d", search.index);
cdlv_err(cdlv_fatal_error);
}
cdlv_err(cdlv_ok);
}
static inline cdlv_error cdlv_parse_prompt(cdlv* base, const char* line, cdlv_scene* scene) {
cdlv_error res;
void* find;
if(strstr(line, cdlv_tag_prompt_bg)) {
char* name;
if((res = cdlv_extract_non_quote(base, line, &name)) != cdlv_ok) cdlv_err(res);
if(strchr(name, '.')) {
char* vname;
if((res = cdlv_extract_filename(base, name, &vname)) != cdlv_ok) cdlv_err(res);
if((res = cdlv_add_new_resource_from_path(base, scene->resources_path, vname, name, scene->resources)) != cdlv_ok) cdlv_err(res);
if((find = sdic_get(scene->resources, vname))) {
cdlv_resource* resource = (cdlv_resource*)find;
cdlv_resource_load(base, resource);
if(resource->type == cdlv_resource_video) {
resource->video->is_playing = true;
if(strstr(line, cdlv_tag_time_loop)) resource->video->loop = true;
else if(strstr(line, cdlv_tag_time_once)) resource->video->loop = false;
// base->accum = 1.1f;
}
base->current_bg = resource;
}
} else {
if((find = sdic_get(base->resources, name))) {
cdlv_resource* resource = (cdlv_resource*)find;
if(resource->type == cdlv_resource_video) {
resource->video->is_playing = true;
if(strstr(line, cdlv_tag_time_loop)) resource->video->loop = true;
else if(strstr(line, cdlv_tag_time_once)) resource->video->loop = false;
// base->accum = 1.1f;
}
base->current_bg = resource;
} else if((find = sdic_get(scene->resources, name))) {
cdlv_resource* resource = (cdlv_resource*)find;
if(resource->type == cdlv_resource_video) {
resource->video->is_playing = true;
if(strstr(line, cdlv_tag_time_loop)) resource->video->loop = true;
else if(strstr(line, cdlv_tag_time_once)) resource->video->loop = false;
// base->accum = 1.1f;
}
base->current_bg = resource;
} else {
cdlv_logv("Prompt to unknown resource: %s", name);
cdlv_err(cdlv_parse_error);
}
}
free(name);
}
cdlv_err(cdlv_ok);
}
static inline cdlv_error cdlv_parse_line(cdlv* base) {
cdlv_scene* scene = (cdlv_scene*)base->current_scene;
if(scene->script->len == 0) {
cdlv_log("Scene's script is empty");
cdlv_err(cdlv_parse_error);
}
cdlv_error res;
if(base->current_line == scene->script->len) {
cdlv_log("At the end of script");
if(base->current_scene_index+1 < base->scene_count) {
cdlv_log("Changing scene");
if((res = cdlv_set_scene(base, base->current_scene_index+1)) != cdlv_ok) cdlv_err(res);
cdlv_scene* new_scene = (cdlv_scene*)base->current_scene;
if(new_scene->loaded) {
base->current_line = 0;
if((res = cdlv_parse_line(base)) != cdlv_ok) cdlv_err(res);
}
} else {
cdlv_log("Setting end to true");
base->end = true;
}
} else if(base->current_line < scene->script->len) {
char* line = (char*)sarr_get(scene->script, base->current_line);
if(!line) cdlv_err(cdlv_fatal_error);
if(line[0] == '@') {
if((res = cdlv_parse_prompt(base, line, scene)) != cdlv_ok) cdlv_err(res);
++base->current_line;
if((res = cdlv_parse_line(base)) != cdlv_ok) cdlv_err(res);
} else {
if(base->user_config.line_callback)
base->user_config.line_callback(line, base->user_config.user_data);
}
}
cdlv_err(cdlv_ok);
}
cdlv_error cdlv_set_script(cdlv* base, const char* path) {
cdlv_error res;
char* script = NULL;
base->resources = sdic_new();
base->scenes = sdic_new();
if((res = extract_path(base, path)) != cdlv_ok) cdlv_err(res);
if((res = cdlv_read_file_to_str(base, path, &script)) != cdlv_ok) cdlv_err(res);
if((res = cdlv_parse_script(base, script)) != cdlv_ok) cdlv_err(res);
free(script);
dic_forEach(base->resources, load_global_resources, base);
if((res = cdlv_set_scene(base, 0)) != cdlv_ok) cdlv_err(res);
if((res = cdlv_parse_line(base)) != cdlv_ok) cdlv_err(res);
cdlv_err(cdlv_ok);
}
static inline int unload_global_resources(char *key, void *value, void *user) {
cdlv_resource* resource = (cdlv_resource*)value;
cdlv* base = (cdlv*)user;
cdlv_resource_unload(base, resource);
return 1;
}
cdlv_error cdlv_unset_script(cdlv* base) {
dic_forEach(base->resources, unload_global_resources, base);
free(base->resources_path);
cdlv_resources_free(base, base->resources);
cdlv_scenes_free(base, base->scenes);
cdlv_err(cdlv_ok);
}
cdlv_error cdlv_user_update(cdlv* base) {
if(base->user_config.update_callback) {
int cb_res = base->user_config.update_callback(base->user_config.user_data);
if(cb_res == 0) cdlv_err(cdlv_ok);
}
cdlv_error res;
++base->current_line;
if((res = cdlv_parse_line(base)) != cdlv_ok) cdlv_err(res);
cdlv_err(cdlv_ok);
}
cdlv_error cdlv_render(cdlv* base) {
cdlv_resource* bg = (cdlv_resource*)base->current_bg;
if(!bg) cdlv_err(cdlv_ok);
if(bg->type == cdlv_resource_image) {
if(base->image_config.render_callback)
base->image_config.render_callback(bg->image, base->image_config.user_data);
} else if(bg->type == cdlv_resource_video) {
cdlv_error res;
if((res = cdlv_play_video(base, bg->video)) != cdlv_ok) cdlv_err(res);
base->video_config.change_frame_bool = false;
if(base->image_config.render_callback)
base->image_config.render_callback(bg->video->texture, base->video_config.user_data);
}
cdlv_err(cdlv_ok);
}