ccw/ch/vacationtexttrigger, ccw/ch/grublinhood documentation update

src/CCW/ch/vacationtexttrigger.c

@@ -0,0 +1,43 @@
+#include <ultra64.h>
+#include "functions.h"
+#include "variables.h"
+
+#include "math.h" // for SQ()
+
+void chVacationTextTrigger_update(Actor* this);
+
+/* .data */
+
+ActorInfo gChVacationTextTrigger = { 
+    MARKER_1E3_VACATION_TEXT_TRIGGER, ACTOR_374_VACATION_TEXT_TRIGGER, 0x0,
+    0x0, NULL,
+    chVacationTextTrigger_update, func_80326224, func_80325340, 
+    0, 0, 0.0f, 0
+};
+
+/* .code */
+
+/**
+ * @brief Returns if player is within a specified horizontal radius of the 
+ * supplied x,z positions.
+ */
+static bool __playerIsWithinTrigger(s32 x, s32 z, s32 distance) {
+    s32 player_position[3];
+
+    player_getPosition_s32(player_position);
+    return (SQ(x - player_position[0]) + SQ(z - player_position[2])) < SQ(distance);
+}
+
+void chVacationTextTrigger_update(Actor* this) {
+    // Despawn if already triggered
+    if (func_803203FC(UNKFLAGS1_13_HAS_TRIGGERED_MUMBO_VACATION_TEXT)) {
+        marker_despawn(this->marker);
+        return;
+    }
+
+    // Start dialog if player is within trigger
+    if (__playerIsWithinTrigger(0, -107, 188) != 0) {
+        func_80311480(0xDA9, 4, NULL, NULL, NULL, NULL);
+        func_803204E4(UNKFLAGS1_13_HAS_TRIGGERED_MUMBO_VACATION_TEXT, 1);
+    }
+}