code_08049D30, 17/20 functions matched

Split other functions into separate files.

src/code_08049D30.c

@@ -0,0 +1,227 @@
+#define NENT_DEPRECATED
+#include "asm.h"
+#include "entity.h"
+#include "functions.h"
+#include "player.h"
+#include "room.h"
+
+extern Entity* gUnk_020000B0;
+extern Entity* (*const gUnk_080D3BE8[])(void);
+
+extern void ReplaceMonitoredEntity(Entity*, Entity*);
+
+void sub_08049DCC(RoomMemory*);
+RoomMemory* sub_08049D88(void);
+
+void UpdateRoomTracker(void) {
+    gUnk_020354B0 = gRoomMemory;
+
+    do {
+        if (gUnk_020354B0->area == gRoomControls.area && gUnk_020354B0->room == gRoomControls.room) {
+            sub_08049DCC(gUnk_020354B0);
+            return;
+        }
+        gUnk_020354B0++;
+
+    } while (gUnk_020354B0 < gRoomMemory + 8);
+    gUnk_020354B0 = sub_08049D88();
+}
+
+RoomMemory* sub_08049D88(void) {
+    RoomMemory* r4 = gRoomMemory;
+    RoomMemory* r1 = r4 + 1;
+
+    do {
+        if (r1->unk_02 > r4->unk_02) {
+            r4 = r1;
+        }
+        r1++;
+    } while (r1 < gRoomMemory + 8);
+
+    r4->area = gRoomControls.area;
+    r4->room = gRoomControls.room;
+
+    r4->unk_02 = 0xFFFF;
+    r4->unk_04 = 0;
+
+    sub_08049DCC(r4);
+
+    return r4;
+}
+
+void sub_08049DCC(RoomMemory* rm) {
+    RoomMemory* r1 = gRoomMemory;
+
+    do {
+        if (r1->unk_02 < rm->unk_02) {
+            r1->unk_02++;
+        }
+        r1++;
+    } while (r1 < gRoomMemory + 8);
+
+    rm->unk_02 = 0;
+}
+
+Entity* sub_08049DF4(u32 arg0) {
+    if (gUnk_020000B0 != NULL) {
+        return gUnk_020000B0;
+    }
+    return gUnk_080D3BE8[arg0]();
+}
+
+Entity* sub_08049E18(void) {
+    if ((gPlayerState.field_0x3c[0] == 0) && !(gPlayerState.flags & 0x22189b75)) {
+        gUnk_020000B0 = &gPlayerEntity;
+        return &gPlayerEntity;
+    }
+    return NULL;
+}
+
+Entity* sub_08049E4C(void) {
+    if ((gPlayerState.field_0x3c[0] == 0) && !(gPlayerState.flags & 0x22189bf5)) {
+        gUnk_020000B0 = &gPlayerEntity;
+        return &gPlayerEntity;
+    }
+    return NULL;
+}
+
+Entity* sub_08049E80(void) {
+    if ((gPlayerState.field_0x3c[0] != 0) || !(gPlayerState.flags & 0x80)) {
+        return NULL;
+    }
+    gUnk_020000B0 = &gPlayerEntity;
+    return &gPlayerEntity;
+}
+
+Entity* sub_08049EB0(void) {
+    if ((gPlayerState.field_0x3c[0] == 0) && !(gPlayerState.flags & 0x80190)) {
+        gUnk_020000B0 = &gPlayerEntity;
+        return &gPlayerEntity;
+    }
+    return NULL;
+}
+
+u32 sub_08049EE4(Entity* ent) {
+    GenericEntity* genEnt = (GenericEntity*)ent;
+
+    u16 tempLO = genEnt->field_0x70.HALF.LO + 4 * genEnt->field_0x6e.HALF.LO;
+    u16 tempHI = genEnt->field_0x70.HALF.HI + 4 * genEnt->field_0x6e.HALF.HI;
+
+    return CalculateDirectionTo(genEnt->base.x.HALF.HI, genEnt->base.y.HALF.HI, tempLO, tempHI);
+}
+
+bool32 sub_08049F1C(Entity* entA, Entity* entB, s32 maxDist) {
+    if ((entA->collisionLayer & entB->collisionLayer) != 0) {
+        s32 xDiff = entB->x.HALF.HI - entA->x.HALF.HI;
+        s32 yDiff = entB->y.HALF.HI - entA->y.HALF.HI;
+        s32 maxDistSq = maxDist * maxDist;
+        s32 distSq = xDiff * xDiff + yDiff * yDiff;
+
+        if (maxDistSq >= distSq) {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+bool32 PlayerInRange(Entity* ent, u32 arg1, s32 maxDist) {
+    Entity* tempEnt = sub_08049DF4(arg1);
+    if (tempEnt == NULL) {
+        return FALSE;
+    } else {
+        return sub_08049F1C(ent, tempEnt, maxDist);
+    }
+}
+
+u32 sub_08049F84(Entity* ent, s32 arg2) {
+    Entity* target = sub_08049DF4(arg2);
+
+    if (target == NULL) {
+        return 0xFF;
+    } else {
+        return GetFacingDirection(ent, target);
+    }
+}
+
+bool32 sub_08049FA0(Entity* ent) {
+    GenericEntity* genEnt = (GenericEntity*)ent;
+    u32 temp = 8 * genEnt->field_0x6e.HALF.LO;
+
+    if (temp >= genEnt->base.x.HALF.HI - genEnt->field_0x70.HALF_U.LO) {
+        temp = 8 * genEnt->field_0x6e.HALF.HI;
+        if (temp >= genEnt->base.y.HALF.HI - genEnt->field_0x70.HALF_U.HI) {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+bool32 sub_08049FDC(Entity* ent, u32 arg1) {
+    u32 temp;
+    GenericEntity* genEnt = (GenericEntity*)ent;
+    GenericEntity* tempEnt = (GenericEntity*)sub_08049DF4(arg1);
+
+    if (tempEnt != NULL) {
+        temp = 8 * genEnt->field_0x6e.HALF.LO;
+        if (temp >= tempEnt->base.x.HALF.HI - genEnt->field_0x70.HALF_U.LO) {
+            temp = 8 * genEnt->field_0x6e.HALF.HI;
+            if (temp >= tempEnt->base.y.HALF.HI - genEnt->field_0x70.HALF_U.HI) {
+                return TRUE;
+            }
+        }
+    }
+    return FALSE;
+}
+
+u32 sub_0804A024(Entity* ent, u32 arg1, u32 arg2) {
+    Entity* tempEnt = sub_08049DF4(arg1);
+    if (tempEnt == NULL) {
+        return 0xFF;
+    } else {
+        return sub_0804A044(ent, tempEnt, arg2);
+    }
+}
+
+ASM_FUNC("asm/non_matching/code_08048D30/sub_0804A044.s", u32 sub_0804A044(Entity* entA, Entity* entB, u32 arg2));
+
+ASM_FUNC("asm/non_matching/code_08048D30/sub_0804A168.s", void sub_0804A168(void)); // ?
+
+ASM_FUNC("asm/non_matching/code_08048D30/sub_0804A318.s", void sub_0804A318(void)); // ?
+
+bool32 sub_0804A4BC(u8* arg0, u8* arg1, s32 arg2, u32 arg3) {
+    while (arg0 != arg1) {
+        u8 r0 = *arg0;
+
+        if (r0 != 0) {
+            if (r0 > 0xF) {
+                return 0;
+            }
+
+            r0 &= arg3;
+            if (r0 != 0) {
+                return FALSE;
+            }
+        }
+        arg0 += arg2;
+    }
+
+    return TRUE;
+}
+
+void sub_0804A4E4(Entity* entA, Entity* entB) {
+    GenericEntity* r5 = (GenericEntity*)entA;
+    GenericEntity* r6 = (GenericEntity*)entB;
+
+    r6->field_0x6c.HALF.HI = (r5->field_0x6c.HALF.HI & 0x40) | 4;
+    r6->field_0x6c.HALF.LO = r5->field_0x6c.HALF.LO;
+    r6->field_0x70.HALF.LO = r5->field_0x70.HALF.LO;
+    r6->field_0x70.HALF.HI = r5->field_0x70.HALF.HI;
+    r6->field_0x6e.HALF.LO = r5->field_0x6e.HALF.LO;
+    r6->field_0x6e.HALF.HI = r5->field_0x6e.HALF.HI;
+
+    CopyPositionAndSpriteOffset(&r5->base, &r6->base);
+
+    if (r5->field_0x6c.HALF.HI & 0x40) {
+        ReplaceMonitoredEntity(&r5->base, &r6->base);
+    }
+}