Match retail z_fbdemo.c and z_fbdemo_fade.c (#1727)

* Match retail z_fbdemo.c and z_fbdemo_fade.c

* Tweak macro arguments

2 files changed, 18 insertions, 15 deletions

diff --git a/src/code/z_fbdemo.c b/src/code/z_fbdemo.c
index b1ad5a208..1a3916ffa 100644
--- a/src/code/z_fbdemo.c
+++ b/src/code/z_fbdemo.c
@@ -40,6 +40,22 @@ Gfx sTransTileSetupDL[] = {
     gsSPEndDisplayList(),
 };
 
+#define SET_VERTEX(vtx, x, y, z, s, t, nx, ny, nz, alpha) \
+    {                                                     \
+        Vtx_tn* vtxn = &(vtx)->n;                         \
+        vtxn->ob[0] = (x);                                \
+        vtxn->ob[1] = (y);                                \
+        vtxn->ob[2] = (z);                                \
+        vtxn->flag = 0;                                   \
+        vtxn->tc[0] = (s);                                \
+        vtxn->tc[1] = (t);                                \
+        vtxn->n[0] = (nx);                                \
+        vtxn->n[1] = (ny);                                \
+        vtxn->n[2] = (nz);                                \
+        vtxn->a = (alpha);                                \
+    }                                                     \
+    (void)0
+
 void TransitionTile_InitGraphics(TransitionTile* this) {
     s32 frame;
     s32 col;
@@ -61,20 +77,7 @@ void TransitionTile_InitGraphics(TransitionTile* this) {
         for (row = 0; row < this->rows + 1; row++) {
             colTex = 0;
             for (col = 0; col < this->cols + 1; col++) {
-                Vtx_tn* vtxn = &vtx->n;
-
-                vtx++;
-                vtxn->tc[0] = colTex << 6;
-                vtxn->ob[0] = col * 0x20;
-                vtxn->ob[1] = row * 0x20;
-                vtxn->ob[2] = -5;
-                vtxn->flag = 0;
-                vtxn->tc[1] = rowTex << 6;
-                vtxn->n[0] = 0;
-                vtxn->n[1] = 0;
-                vtxn->n[2] = 120;
-                vtxn->a = 255;
-
+                SET_VERTEX(vtx++, col * 0x20, row * 0x20, -5, colTex << 6, rowTex << 6, 0, 0, 120, 255);
                 colTex += 0x20;
             }
 
diff --git a/src/code/z_fbdemo_fade.c b/src/code/z_fbdemo_fade.c
index 1d76e8ec7..1f0843176 100644
--- a/src/code/z_fbdemo_fade.c
+++ b/src/code/z_fbdemo_fade.c
@@ -62,7 +62,7 @@ void TransitionFade_Update(void* thisx, s32 updateRate) {
             break;
 
         case TRANS_FADE_TYPE_ONE_WAY:
-            this->timer += updateRate;
+            ((TransitionFade*)thisx)->timer += updateRate;
             if (this->timer >= gSaveContext.transFadeDuration) {
                 this->timer = gSaveContext.transFadeDuration;
                 this->isDone = true;