From a9e52e5a551e05de85e6ecf1d73ffbd455d0d3d0 Mon Sep 17 00:00:00 2001
From: Derek Hensley <hensley.derek58@gmail.com>
Date: Fri, 3 Jan 2025 16:51:33 -0800
Subject: Cfbinfo (#237)

* func_800D2CDC_jp

* func_800D2CB4_jp

* func_800D2C10_jp

* cleanup

* Small docs of CfbInfo struct
---
 src/code/cfbinfo.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/code/graph.c   | 18 ++++++-------
 2 files changed, 84 insertions(+), 9 deletions(-)
 create mode 100644 src/code/cfbinfo.c

(limited to 'src/code')

diff --git a/src/code/cfbinfo.c b/src/code/cfbinfo.c
new file mode 100644
index 0000000..e8851ce
--- /dev/null
+++ b/src/code/cfbinfo.c
@@ -0,0 +1,75 @@
+#include "cfbinfo.h"
+
+#include "libc/stdbool.h"
+#include "libc64/sleep.h"
+#include "libu64/debug.h"
+
+#include "idle.h"
+#include "irqmgr.h"
+#include "macros.h"
+#include "viconfig.h"
+#include "6FD410.h"
+
+CfbInfo sCfbInfos[3];
+
+CfbInfo* func_800D2C10_jp(void) {
+    s32 i;
+    CfbInfo* cfb;
+    s32 attempts = 0;
+
+retry:
+    i = 0;
+    while (true) {
+        cfb = &sCfbInfos[i];
+        if (cfb->state == 0) {
+            break;
+        }
+
+        i++;
+        if (i == ARRAY_COUNT(sCfbInfos)) {
+            if (attempts++ > 10000) {
+                _dbg_hungup("../cfbinfo.c", 0x27);
+            }
+            usleep(100);
+            (void)"";
+            goto retry;
+        }
+    }
+    bzero(cfb, sizeof(CfbInfo));
+    cfb->state = 1;
+
+    // (reservation)
+    (void)"(予約)";
+    return cfb;
+}
+
+void func_800D2CB4_jp(CfbInfo* cfb) {
+    if (cfb->unk_0B != 0) {
+        cfb->unk_0B = 0;
+        B_80146080_jp = 3;
+    }
+    cfb->state = 0;
+}
+
+void func_800D2CDC_jp(CfbInfo* cfb) {
+    if ((ResetStatus < 2) && (cfb->swapBuffer != NULL)) {
+        osViSwapBuffer(cfb->swapBuffer);
+        cfb->unk_0A = cfb->unk_09;
+        cfb->state = 4;
+        if (cfb->viMode != NULL) {
+            gViConfigMode = *cfb->viMode;
+            gViConfigFeatures = cfb->viFeatures;
+            gViConfigXScale = cfb->xScale;
+            gViConfigYScale = cfb->yScale;
+            if (!gViConfigBlack) {
+                osViSetMode(cfb->viMode);
+                osViSetSpecialFeatures(cfb->viFeatures);
+                osViSetXScale(cfb->xScale);
+                osViSetYScale(cfb->yScale);
+            }
+            if (!gViConfigBlack) {}
+        }
+    } else {
+        func_800D2CB4_jp(cfb);
+    }
+}
diff --git a/src/code/graph.c b/src/code/graph.c
index 1fe2a06..4c53048 100644
--- a/src/code/graph.c
+++ b/src/code/graph.c
@@ -264,23 +264,23 @@ void graph_task_set00(GraphicsContext* gfxCtx) {
         scTask->msg = NULL;
 
         {
-            cfbStruct* cfb = func_800D2C10_jp();
+            CfbInfo* cfb = func_800D2C10_jp();
 
             cfb->unk_00 = gfxCtx->unk_2E4;
-            cfb->unk_04 = NULL;
+            cfb->swapBuffer = NULL;
             cfb->unk_09 = game_GameFrame;
-            cfb->unk_0C = NULL;
+            cfb->viMode = NULL;
             if (scTask->flags & OS_SC_SWAPBUFFER) {
-                cfb->unk_04 = gfxCtx->unk_2E4;
+                cfb->swapBuffer = gfxCtx->unk_2E4;
                 if (gfxCtx->unk_2F2 != 0) {
                     gfxCtx->unk_2F2 = 0;
-                    cfb->unk_0C = gfxCtx->unk_25C;
-                    cfb->unk_10 = gfxCtx->unk_2EC;
-                    cfb->unk_14 = gfxCtx->unk_2FC;
-                    cfb->unk_18 = gfxCtx->unk_300;
+                    cfb->viMode = gfxCtx->unk_25C;
+                    cfb->viFeatures = gfxCtx->unk_2EC;
+                    cfb->xScale = gfxCtx->unk_2FC;
+                    cfb->yScale = gfxCtx->unk_300;
                 }
                 if (B_80146080_jp == 1) {
-                    B_80146084_jp = cfb->unk_04;
+                    B_80146084_jp = cfb->swapBuffer;
                     cfb->unk_0B = 1;
                     B_80146080_jp = 2;
                 }
-- 
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