From 49f55ff0052340d29cffe2767fdc7d2ee5adb9f4 Mon Sep 17 00:00:00 2001
From: Derek Hensley <hensley.derek58@gmail.com>
Date: Fri, 5 Nov 2021 19:15:47 -0700
Subject: EnvFlags OK (#404)

* Matched

* Remove magic number

* Rename system to EnvFlags
---
 src/code/code_800F12D0.c |  9 ---------
 src/code/z_env_flags.c   | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 9 deletions(-)
 delete mode 100644 src/code/code_800F12D0.c
 create mode 100644 src/code/z_env_flags.c

(limited to 'src/code')

diff --git a/src/code/code_800F12D0.c b/src/code/code_800F12D0.c
deleted file mode 100644
index d34f11e81..000000000
--- a/src/code/code_800F12D0.c
+++ /dev/null
@@ -1,9 +0,0 @@
-#include "global.h"
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F12D0.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F1304.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F1374.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/code/code_800F12D0/func_800F13E8.s")
diff --git a/src/code/z_env_flags.c b/src/code/z_env_flags.c
new file mode 100644
index 000000000..d76681512
--- /dev/null
+++ b/src/code/z_env_flags.c
@@ -0,0 +1,33 @@
+#include "global.h"
+
+void EnvFlags_UnsetAll(GlobalContext* globalCtx) {
+    u8 i;
+
+    for (i = 0; i < ARRAY_COUNT(globalCtx->envFlags); i++) {
+        globalCtx->envFlags[i] = 0;
+    }
+}
+
+void EnvFlags_Set(GlobalContext* globalCtx, s16 flag) {
+    s16 index = flag / 16;
+    s16 bit = flag % 16;
+    s16 mask = 1 << bit;
+
+    globalCtx->envFlags[index] |= mask;
+}
+
+void EnvFlags_Unset(GlobalContext* globalCtx, s16 flag) {
+    s16 index = flag / 16;
+    s16 bit = flag % 16;
+    s16 mask = (1 << bit) ^ 0xFFFF;
+
+    globalCtx->envFlags[index] &= mask;
+}
+
+s32 EnvFlags_Get(GlobalContext* globalCtx, s16 flag) {
+    s16 index = flag / 16;
+    s16 bit = flag % 16;
+    s16 mask = 1 << bit;
+
+    return globalCtx->envFlags[index] & mask;
+}
-- 
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