1 files changed, 108 insertions, 12 deletions
diff --git a/src/code/z_shrink_window.c b/src/code/z_shrink_window.c
index 3b2d86114..194ee5083 100644
--- a/src/code/z_shrink_window.c
+++ b/src/code/z_shrink_window.c
@@ -1,25 +1,121 @@
+/**
+ * File: z_shrink_window.c
+ * Description: Draws black top/bottom/side borders on the viewing window (e.g. Z-targeting, talking to NPC)
+ */
 #include "global.h"
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_SetLetterboxTarget.s")
+ShrinkWindowContext gShrinkWindowContext;
+ShrinkWindowContext* gShrinkWindowContextPtr;
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_GetLetterboxTarget.s")
+void ShrinkWindow_SetLetterboxTarget(s32 target) {
+    gShrinkWindowContextPtr->letterboxTarget = target;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_SetLetterboxMagnitude.s")
+s32 ShrinkWindow_GetLetterboxTarget(void) {
+    return gShrinkWindowContextPtr->letterboxTarget;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_GetLetterboxMagnitude.s")
+void ShrinkWindow_SetLetterboxMagnitude(s32 magnitude) {
+    gShrinkWindowContextPtr->letterboxMagnitude = magnitude;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_SetPillarboxTarget.s")
+s32 ShrinkWindow_GetLetterboxMagnitude(void) {
+    return gShrinkWindowContextPtr->letterboxMagnitude;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_GetPillarboxTarget.s")
+void ShrinkWindow_SetPillarboxTarget(s32 target) {
+    gShrinkWindowContextPtr->pillarboxTarget = target;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_SetPillarboxMagnitude.s")
+s32 ShrinkWindow_GetPillarboxTarget(void) {
+    return gShrinkWindowContextPtr->pillarboxTarget;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_GetPillarboxMagnitude.s")
+void ShrinkWindow_SetPillarboxMagnitude(s32 magnitude) {
+    gShrinkWindowContextPtr->pillarboxMagnitude = magnitude;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_Init.s")
+s32 ShrinkWindow_GetPillarboxMagnitude(void) {
+    return gShrinkWindowContextPtr->pillarboxMagnitude;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_Fini.s")
+void ShrinkWindow_Init(void) {
+    gShrinkWindowContextPtr = &gShrinkWindowContext;
+    bzero(gShrinkWindowContextPtr, sizeof(gShrinkWindowContext));
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_Step.s")
+void ShrinkWindow_Destroy(void) {
+    gShrinkWindowContextPtr = NULL;
+}
 
-#pragma GLOBAL_ASM("asm/non_matchings/code/z_shrink_window/ShrinkWindow_Draw.s")
+void ShrinkWindow_Update(s32 framerateDivisor) {
+    s32 step = ((framerateDivisor == 3) ? 10 : 30 / framerateDivisor);
+    s32 nextMagnitude;
+
+    nextMagnitude = gShrinkWindowContextPtr->letterboxMagnitude;
+    Math_StepToIGet(&nextMagnitude, gShrinkWindowContextPtr->letterboxTarget, step);
+    gShrinkWindowContextPtr->letterboxMagnitude = nextMagnitude;
+
+    nextMagnitude = gShrinkWindowContextPtr->pillarboxMagnitude;
+    Math_StepToIGet(&nextMagnitude, gShrinkWindowContextPtr->pillarboxTarget, step);
+    gShrinkWindowContextPtr->pillarboxMagnitude = nextMagnitude;
+}
+
+void ShrinkWindow_Draw(GraphicsContext* gfxCtx) {
+    Gfx* gfx;
+    s8 letterboxMagnitude = gShrinkWindowContextPtr->letterboxMagnitude;
+    s8 pillarboxMagnitude = gShrinkWindowContextPtr->pillarboxMagnitude;
+
+    if (letterboxMagnitude > 0) {
+        OPEN_DISPS(gfxCtx);
+
+        gfx = OVERLAY_DISP;
+
+        gDPPipeSync(gfx++);
+        gDPSetCycleType(gfx++, G_CYC_FILL);
+        gDPSetRenderMode(gfx++, G_RM_NOOP, G_RM_NOOP2);
+        gDPSetFillColor(gfx++, (GPACK_RGBA5551(0, 0, 0, 1) << 16) | GPACK_RGBA5551(0, 0, 0, 1));
+        gDPFillRectangle(gfx++, 0, 0, gScreenWidth - 1, letterboxMagnitude - 1);
+        gDPFillRectangle(gfx++, 0, gScreenHeight - letterboxMagnitude, gScreenWidth - 1, gScreenHeight - 1);
+
+        gDPPipeSync(gfx++);
+        gDPSetCycleType(gfx++, G_CYC_1CYCLE);
+        gDPSetRenderMode(gfx++, G_RM_XLU_SURF, G_RM_XLU_SURF2);
+        gDPSetPrimColor(gfx++, 0, 0, 0, 0, 0, 0);
+        gDPFillRectangle(gfx++, 0, letterboxMagnitude, gScreenWidth, letterboxMagnitude + 1);
+        gDPFillRectangle(gfx++, 0, gScreenHeight - letterboxMagnitude - 1, gScreenWidth,
+                         gScreenHeight - letterboxMagnitude);
+
+        gDPPipeSync(gfx++);
+        OVERLAY_DISP = gfx++;
+
+        CLOSE_DISPS(gfxCtx);
+    }
+    if (pillarboxMagnitude > 0) {
+        OPEN_DISPS(gfxCtx);
+
+        gfx = OVERLAY_DISP;
+
+        gDPPipeSync(gfx++);
+        gDPSetCycleType(gfx++, G_CYC_FILL);
+        gDPSetRenderMode(gfx++, G_RM_NOOP, G_RM_NOOP2);
+        gDPSetFillColor(gfx++, (GPACK_RGBA5551(0, 0, 0, 1) << 16) | GPACK_RGBA5551(0, 0, 0, 1));
+
+        gDPFillRectangle(gfx++, 0, 0, pillarboxMagnitude - 1, gScreenHeight - 1);
+        gDPFillRectangle(gfx++, gScreenWidth - pillarboxMagnitude, 0, gScreenWidth - 1, gScreenHeight - 1);
+
+        gDPPipeSync(gfx++);
+        gDPSetCycleType(gfx++, G_CYC_1CYCLE);
+        gDPSetRenderMode(gfx++, G_RM_XLU_SURF, G_RM_XLU_SURF2);
+        gDPSetPrimColor(gfx++, 0, 0, 0, 0, 0, 0);
+
+        gDPFillRectangle(gfx++, pillarboxMagnitude, 0, pillarboxMagnitude + 2, gScreenHeight);
+        gDPFillRectangle(gfx++, gScreenWidth - pillarboxMagnitude - 2, 0, gScreenWidth - pillarboxMagnitude,
+                         gScreenHeight);
+
+        gDPPipeSync(gfx++);
+        OVERLAY_DISP = gfx++;
+
+        CLOSE_DISPS(gfxCtx);
+    }
+}