Fixed loading resources by name

Also added a basic path function for animations
Added a TAISEI_NOSCAN environment variable, set to 1 to disable
autoloading resources on startup. They will then be loaded as they are
needed, which may cause the game to stutter when that happens.

src/audio_mixer.c

@@ -102,7 +102,7 @@ void audio_backend_set_bgm_volume(float gain) {
 
 char* audio_mixer_sound_path(const char *name) {
 	for(const char **ext = mixer_audio_exts; *ext; ++ext) {
-		char *p = strjoin(get_prefix(), SFX_PATH_PREFIX, name, *ext, NULL);
+		char *p = strjoin(SFX_PATH_PREFIX, name, *ext, NULL);
 		struct stat statbuf;
 
 		if(!stat(p, &statbuf)) {

src/resource/animation.c

@@ -5,6 +5,7 @@
  * Copyright (C) 2011, Lukas Weber <laochailan@web.de>
  */
 
+#include <dirent.h>
 #include "animation.h"
 #include "texture.h"
 #include "global.h"
@@ -14,9 +15,27 @@
 #include "taisei_err.h"
 
 char* animation_path(const char *name) {
-	// stub
-	// we could scan the gfx/ directory and find the first matching animation here
-	// ...or we could describe animations with simple text files instead of encoding them in texture file names
+	DIR *dir = opendir("gfx/");
+	if(dir == NULL)
+		return NULL;
+
+	struct dirent *dp;
+
+	while((dp = readdir(dir)) != NULL) {
+		char *filepath = strjoin("gfx/", dp->d_name, NULL);
+		char *tmpname = NULL;
+
+		if(check_animation_path(filepath)) {
+			if(!strcmp(tmpname = animation_name(filepath), name)) {
+				free(tmpname);
+				return filepath;
+			}
+		}
+
+		free(filepath);
+		free(tmpname);
+	}
+
 	return NULL;
 }
 

src/resource/model.c

@@ -21,7 +21,7 @@ static void parse_obj(const char *filename, ObjFileData *data);
 static void free_obj(ObjFileData *data);
 
 char* model_path(const char *name) {
-	return strjoin(get_prefix(), MDL_PATH_PREFIX, name, MDL_EXTENSION, NULL);
+	return strjoin(MDL_PATH_PREFIX, name, MDL_EXTENSION, NULL);
 }
 
 bool check_model_path(const char *path) {

src/resource/resource.c

@@ -277,7 +277,10 @@ static void scan_resources(void) {
 }
 
 void load_resources(void) {
-	scan_resources();
+	if(!getenvint("TAISEI_NOSCAN")) {
+		scan_resources();
+	}
+
 	init_fonts();
 
 	if(glext.draw_instanced) {

src/resource/shader.c

@@ -30,7 +30,7 @@ static char snippet_header_gl31[] =
 ;
 
 char* shader_path(const char *name) {
-	return strjoin(get_prefix(), SHA_PATH_PREFIX, name, SHA_EXTENSION, NULL);
+	return strjoin(SHA_PATH_PREFIX, name, SHA_EXTENSION, NULL);
 }
 
 bool check_shader_path(const char *path) {

src/resource/texture.c

@@ -18,7 +18,7 @@
 static SDL_Surface* load_png(const char *filename);
 
 char* texture_path(const char *name) {
-	return strjoin(get_prefix(), TEX_PATH_PREFIX, name, TEX_EXTENSION, NULL);
+	return strjoin(TEX_PATH_PREFIX, name, TEX_EXTENSION, NULL);
 }
 
 bool check_texture_path(const char *path) {