document ba/carry, ba/drone and ba/falldamage

src/core2/ba/carry.c

@@ -0,0 +1,77 @@
+#include "functions.h"
+
+#include "core2/ba/carry.h"
+
+
+void bacarry_set_offsets(f32 arg0, f32 arg1);
+
+/* .bss */
+struct {
+    f32 height;
+    f32 rotation;
+} bacarry_offsets;
+ActorMarker* baCarry_marker;
+u8 bacarry_active;
+
+/* .code */
+void bacarry_init(void){
+    baCarry_marker = NULL;
+    bacarry_active = 0;
+    bacarry_set_offsets(0.0f, 0.0f);
+}
+
+void bacarry_end(void){}
+
+void __bacarry_set_position_and_rotation(ActorMarker *marker, f32 arg1[3], f32 arg2[3]){
+    Actor * actor = marker_getActor(marker);
+    if(actor->unk138_22){
+        actor->position_x = arg1[0];
+        actor->position_y = arg1[1];
+        actor->position_z = arg1[2];
+
+        actor->yaw = arg2[1];
+    }
+}
+
+void __bacarry_update(void){
+    f32 banjoPos[3];
+    f32 banjoRot[3];
+    
+    
+    player_getRotation(banjoRot);
+    baModel_getPosition(banjoPos);
+    banjoRot[1] = mlNormalizeAngle(banjoRot[1] + bacarry_offsets.rotation);
+    banjoPos[1] += bacarry_offsets.height;
+    __bacarry_set_position_and_rotation(baCarry_marker, banjoPos, banjoRot);
+}
+
+void bacarry_update(void){
+    if(baCarry_marker != NULL){
+        if(bacarry_active == 0){
+            baCarry_marker = NULL;
+        }
+        else{
+            __bacarry_update();
+            bacarry_active = 0;
+        }
+    }
+}
+
+void bacarry_reset_marker(void){
+    baCarry_marker = NULL;
+}
+
+ActorMarker *bacarry_get_marker(void){
+   return baCarry_marker; 
+}
+
+void bacarry_set_marker(ActorMarker *arg0){
+    baCarry_marker = arg0;
+    __bacarry_update();
+    bacarry_active = 1;
+}
+
+void bacarry_set_offsets(f32 height, f32 rotation){
+    bacarry_offsets.height = height;
+    bacarry_offsets.rotation = rotation;
+}