restore --savepath and replace --datapath with --gamedir

src/pc/cliopts.c

@@ -54,8 +54,8 @@ void parse_cli_opts(int argc, char* argv[]) {
         else if (strcmp(argv[i], "--configfile") == 0 && (i + 1) < argc)
             arg_string("--configfile", argv[++i], gCLIOpts.ConfigFile);
 
-        else if (strcmp(argv[i], "--datapath") == 0 && (i + 1) < argc)
-            arg_string("--datapath", argv[++i], gCLIOpts.DataPath);
+        else if (strcmp(argv[i], "--gamedir") == 0 && (i + 1) < argc)
+            arg_string("--gamedir", argv[++i], gCLIOpts.GameDir);
 
         else if (strcmp(argv[i], "--savepath") == 0 && (i + 1) < argc)
             arg_string("--savepath", argv[++i], gCLIOpts.SavePath);

src/pc/cliopts.h

@@ -8,7 +8,7 @@ struct PCCLIOptions  {
     unsigned int FullScreen;
     char ConfigFile[SYS_MAX_PATH];
     char SavePath[SYS_MAX_PATH];
-    char DataPath[SYS_MAX_PATH];
+    char GameDir[SYS_MAX_PATH];
 };
 
 extern struct PCCLIOptions gCLIOpts;

src/pc/gfx/gfx_pc.c

@@ -1748,18 +1748,18 @@ void gfx_init(struct GfxWindowManagerAPI *wapi, struct GfxRenderingAPI *rapi) {
         0x05200200,
         0x03200200
     };
-    for (size_t i = 0; i < sizeof(precomp_shaders) / sizeof(uint32_t); i++) {
+
+    for (size_t i = 0; i < sizeof(precomp_shaders) / sizeof(uint32_t); i++)
         gfx_lookup_or_create_shader_program(precomp_shaders[i]);
-    }
-    #ifdef EXTERNAL_DATA
-    // preload all textures if needed
-    if (configPrecacheRes) {
-        printf("Precaching textures\n");
-        fs_walk(FS_TEXTUREDIR, preload_texture, NULL, true);
-    }
-    #endif
 }
 
+#ifdef EXTERNAL_DATA
+void gfx_precache_textures(void) {
+    // preload all textures
+    fs_walk(FS_TEXTUREDIR, preload_texture, NULL, true);
+}
+#endif
+
 void gfx_start_frame(void) {
     gfx_wapi->handle_events();
     gfx_wapi->get_dimensions(&gfx_current_dimensions.width, &gfx_current_dimensions.height);

src/pc/gfx/gfx_pc.h

@@ -15,6 +15,7 @@ void gfx_init(struct GfxWindowManagerAPI *wapi, struct GfxRenderingAPI *rapi);
 void gfx_start_frame(void);
 void gfx_run(Gfx *commands);
 void gfx_end_frame(void);
+void gfx_precache_textures(void);
 void gfx_shutdown(void);
 
 #endif

src/pc/pc_main.c

@@ -1,4 +1,5 @@
 #include <stdlib.h>
+#include <stdio.h>
 
 #ifdef TARGET_WEB
 #include <emscripten.h>
@@ -24,6 +25,7 @@
 #include "controller/controller_api.h"
 #include "fs/fs.h"
 
+#include "game/game_init.h"
 #include "game/main.h"
 #include "game/thread6.h"
 
@@ -154,7 +156,9 @@ void main_func(void) {
     main_pool_init(pool, pool + sizeof(pool) / sizeof(pool[0]));
     gEffectsMemoryPool = mem_pool_init(0x4000, MEMORY_POOL_LEFT);
 
-    fs_init(sys_ropaths, FS_BASEDIR, sys_user_path());
+    const char *gamedir = gCLIOpts.GameDir[0] ? gCLIOpts.GameDir : FS_BASEDIR;
+    const char *userpath = gCLIOpts.SavePath[0] ? gCLIOpts.SavePath : sys_user_path();
+    fs_init(sys_ropaths, gamedir, userpath);
 
     configfile_load(configfile_name());
 
@@ -173,9 +177,18 @@ void main_func(void) {
     sound_init();
 
     thread5_game_loop(NULL);
-    
+
     inited = true;
 
+#ifdef EXTERNAL_DATA
+    // precache data if needed
+    if (configPrecacheRes) {
+        printf("precaching data\n");
+        fflush(stdout);
+        gfx_precache_textures();
+    }
+#endif
+
 #ifdef TARGET_WEB
     emscripten_set_main_loop(em_main_loop, 0, 0);
     request_anim_frame(on_anim_frame);