From 526bd40646bdf37ab4cb44c3e0927844694dc34b Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Fri, 22 Mar 2024 23:55:17 +1100
Subject: [PATCH] DS: Fix UI sort of to work

---
 src/Graphics_NDS.c | 18 +++++++++++-------
 src/Platform_NDS.c | 13 +++++++++++--
 2 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/src/Graphics_NDS.c b/src/Graphics_NDS.c
index 2e9fba5fb..47766a068 100644
--- a/src/Graphics_NDS.c
+++ b/src/Graphics_NDS.c
@@ -27,6 +27,8 @@ void Gfx_Create(void) {
     glViewport(0, 0, 255, 191);
     
     vramSetBankA(VRAM_A_TEXTURE);
+    vramSetBankB(VRAM_B_TEXTURE);
+    vramSetBankC(VRAM_C_TEXTURE);
     // setup memory for textures
     
     glPolyFmt(POLY_ALPHA(31) | POLY_CULL_NONE);
@@ -168,6 +170,8 @@ void Gfx_CalcOrthoMatrix(struct Matrix* matrix, float width, float height, float
 	/* Transposed, source https://learn.microsoft.com/en-us/windows/win32/opengl/glortho */
 	/*   The simplified calculation below uses: L = 0, R = width, T = 0, B = height */
 	*matrix = Matrix_Identity;
+	width  /= 32.0f; 
+	height /= 32.0f; 
 
 	matrix->row1.x =  2.0f / width;
 	matrix->row2.y = -2.0f / height;
@@ -224,9 +228,9 @@ static void PreprocessTexturedVertices(void) {
     for (int i = 0; i < buf_count; i++, src++, dst++)
     {
         struct VertexTextured v = *src;
-        dst->x = floattov16(v.x / 16.0f);
-        dst->y = floattov16(v.y / 16.0f);
-        dst->z = floattov16(v.z / 16.0f);
+        dst->x = floattov16(v.x / 32.0f);
+        dst->y = floattov16(v.y / 32.0f);
+        dst->z = floattov16(v.z / 32.0f);
         dst->u = v.U;
         dst->v = v.V;
         dst->r = PackedCol_R(v.Col);
@@ -242,9 +246,9 @@ static void PreprocessColouredVertices(void) {
     for (int i = 0; i < buf_count; i++, src++, dst++)
     {
         struct VertexColoured v = *src;
-        dst->x = floattov16(v.x / 16.0f);
-        dst->y = floattov16(v.y / 16.0f);
-        dst->z = floattov16(v.z / 16.0f);
+        dst->x = floattov16(v.x / 32.0f);
+        dst->y = floattov16(v.y / 32.0f);
+        dst->z = floattov16(v.z / 32.0f);
         dst->r = PackedCol_R(v.Col);
         dst->g = PackedCol_G(v.Col);
         dst->b = PackedCol_B(v.Col);
@@ -355,7 +359,7 @@ void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) {
     // That's way too small to be useful, so counteract that by scaling down
     //  vertices and then scaling up the matrix multiplication
     if (type == MATRIX_VIEW)
-        glScalef32(floattof32(16.0f), floattof32(16.0f), floattof32(16.0f));
+        glScalef32(floattof32(32.0f), floattof32(32.0f), floattof32(32.0f));
 }
 
 void Gfx_LoadIdentityMatrix(MatrixType type) {
diff --git a/src/Platform_NDS.c b/src/Platform_NDS.c
index 859a1de72..8fe46adf7 100644
--- a/src/Platform_NDS.c
+++ b/src/Platform_NDS.c
@@ -94,11 +94,20 @@ static void GetNativePath(char* str, const cc_string* path) {
 }
 
 cc_result Directory_Create(const cc_string* path) {
-	return ERR_NOT_SUPPORTED;
+	if (!fat_available) return ENOSYS;
+	
+	char str[NATIVE_STR_LEN];
+	GetNativePath(str, path);
+	return mkdir(str, 0) == -1 ? errno : 0;
 }
 
 int File_Exists(const cc_string* path) {
-	return false;
+	if (!fat_available) return false;
+	
+	char str[NATIVE_STR_LEN];
+	struct stat sb;
+	GetNativePath(str, path);
+	return stat(str, &sb) == 0 && S_ISREG(sb.st_mode);
 }
 
 cc_result Directory_Enum(const cc_string* dirPath, void* obj, Directory_EnumCallback callback) {