`z_kaleido_prompt.c` Ok and Documented (Pause Menu Save/Continue Prompt. Unused) (#1045)

* kaleido prompt ok

* fix pauseCtx

4 files changed, 54 insertions, 10 deletions

diff --git a/src/code/z_kaleido_setup.c b/src/code/z_kaleido_setup.c
index fa490dbca..a2742c746 100644
--- a/src/code/z_kaleido_setup.c
+++ b/src/code/z_kaleido_setup.c
@@ -138,7 +138,7 @@ void KaleidoSetup_Init(PlayState* play) {
     pauseCtx->unk_2A0 = -1;
     pauseCtx->unk_2BA = 320;
     pauseCtx->unk_2BC = 40;
-    pauseCtx->unk_29E = 100;
+    pauseCtx->promptAlpha = 100;
 
     View_Init(&pauseCtx->view, play->state.gfxCtx);
 }
diff --git a/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_mask.c b/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_mask.c
index aa24bf2e2..f8f61c5dc 100644
--- a/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_mask.c
+++ b/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_mask.c
@@ -50,18 +50,10 @@ s16 D_8082B6DC[] = {
     0x0000,
 };
 
-s32 D_8082B6E4[] = { 0, 0, 0 };
-
-s16 D_8082B6F0[] = { 100, 255 };
-
-s32 D_8082B6F4 = 0;
-
-s16 D_8082B6F8[] = { 10, 0, 0, 0 };
+s16 D_8082B6E4 = 0;
 
 #pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_kaleido_scope/func_8081FF80.s")
 
 #pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_kaleido_scope/func_808204AC.s")
 
 #pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_kaleido_scope/func_80820FA4.s")
-
-#pragma GLOBAL_ASM("asm/non_matchings/overlays/ovl_kaleido_scope/func_80821730.s")
diff --git a/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_prompt.c b/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_prompt.c
new file mode 100644
index 000000000..53453e8e7
--- /dev/null
+++ b/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_prompt.c
@@ -0,0 +1,49 @@
+/*
+ * File: z_kaleido_prompt.c
+ * Overlay: ovl_kaleido_scope
+ * Description: Pause Menu - Save and Continue Prompt
+ */
+
+#include "z_kaleido_scope.h"
+
+s16 sPromptAlphaTargets[] = { 100, 255 };
+
+// Unused remnant of OoT
+void KaleidoScope_UpdatePrompt(PlayState* play) {
+    static s16 sPromptAlphaTargetIndex = 0;
+    static s16 sPromptAlphaTimer = 10;
+    PauseContext* pauseCtx = &play->pauseCtx;
+    Input* input = CONTROLLER1(&play->state);
+    s8 relStickX = input->rel.stick_x;
+    s16 alphaStep;
+
+    if (((pauseCtx->state == 7) && (pauseCtx->unk_208 == 1)) || (pauseCtx->state == 0xE) || (pauseCtx->state == 0x11)) {
+
+        // Move the prompt
+        if ((pauseCtx->promptChoice == PAUSE_PROMPT_YES) && (relStickX >= 30)) {
+            // Move right to the no prompt
+            play_sound(NA_SE_SY_CURSOR);
+            pauseCtx->promptChoice = PAUSE_PROMPT_NO;
+        } else if ((pauseCtx->promptChoice != PAUSE_PROMPT_YES) && (relStickX <= -30)) {
+            // Move left to the yes prompt
+            play_sound(NA_SE_SY_CURSOR);
+            pauseCtx->promptChoice = PAUSE_PROMPT_YES;
+        }
+
+        // Update the alpha for the green glowing orb above the prompt
+        alphaStep = ABS_ALT(pauseCtx->promptAlpha - sPromptAlphaTargets[sPromptAlphaTargetIndex]) / sPromptAlphaTimer;
+
+        if (pauseCtx->promptAlpha >= sPromptAlphaTargets[sPromptAlphaTargetIndex]) {
+            pauseCtx->promptAlpha -= alphaStep;
+        } else {
+            pauseCtx->promptAlpha += alphaStep;
+        }
+
+        sPromptAlphaTimer--;
+        if (sPromptAlphaTimer == 0) {
+            pauseCtx->promptAlpha = sPromptAlphaTargets[sPromptAlphaTargetIndex];
+            sPromptAlphaTimer = sPromptAlphaTargetIndex + 20;
+            sPromptAlphaTargetIndex ^= 1;
+        }
+    }
+}
diff --git a/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h b/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h
index f4c91e9e8..b4d2a192f 100644
--- a/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h
+++ b/src/overlays/kaleido_scope/ovl_kaleido_scope/z_kaleido_scope.h
@@ -18,6 +18,9 @@ typedef enum {
   /* 3 */ DEBUG_EDITOR_EVENTS
 } DebugEditor;
 
+#define PAUSE_PROMPT_YES 0
+#define PAUSE_PROMPT_NO 4
+
 // Debug
 void KaleidoScope_DrawInventoryEditor(PlayState* play);
 void KaleidoScope_UpdateInventoryEditor(PlayState* play);