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Decompiling WRAITH

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This commit is contained in:
Montagna Marco 2020-07-29 08:32:15 +02:00
parent a4b2637fc3
commit 7adfdbc8f6
1 changed files with 151 additions and 6 deletions
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157
TR5Main/Objects/TR4/Entity/tr4_wraith.cpp
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@ -5,9 +5,12 @@
#include "control.h"
#include "objectslist.h"
#include "trmath.h"
#include <sound.h>
#include <lara.h>
constexpr auto WRAITH_COUNT = 8;
short WraithSpeed = 64;
struct WRAITH_INFO
{
@ -29,15 +32,14 @@ void InitialiseWraith(short itemNumber)
item = &g_Level.Items[itemNumber];
WRAITH_INFO* wraithData;
item->data = game_malloc<WRAITH_INFO>(WRAITH_COUNT);
wraithData = game_malloc<WRAITH_INFO>(WRAITH_COUNT);
item->data = wraithData;
item->itemFlags[0] = 0;
item->hitPoints = 0;
item->speed = 0x40;
item->speed = WraithSpeed;
for (int i = 0; i < WRAITH_COUNT; i++)
{
wraithData = (WRAITH_INFO*)item->data;
wraithData->xPos = item->pos.xPos;
wraithData->yPos = item->pos.yPos;
wraithData->zPos = item->pos.zPos;
@ -48,13 +50,156 @@ void InitialiseWraith(short itemNumber)
wraithData->unknown02 = 0;
wraithData->unknown03 = 0;
wraithData++;
}
}
void WraithControl(short itemNumber)
{
// TODO;
ITEM_INFO* item = &g_Level.Items[itemNumber];
SoundEffect(SFX_TR4_WRAITH_WHISPERS, &item->pos, 0);
ITEM_INFO* target;
if (item->hitPoints)
target = &g_Level.Items[item->hitPoints];
else
target = LaraItem;
int x, y, z, distance, dx, dy, dz;
if (target == LaraItem || target->objectNumber == 445)
{
x = target->pos.xPos - item->pos.xPos;
y = target->pos.yPos;
z = target->pos.zPos - item->pos.zPos;
distance = SQUARE(x) + SQUARE(z);
dy = abs((distance >> 13) - 512);
}
else
{
ROOM_INFO* room = &g_Level.Rooms[LaraItem->roomNumber];
x = room->x + room->ySize * 1024 / 2 - item->pos.xPos;
z = room->z + room->xSize * 1024 / 2 - item->pos.zPos;
distance = SQUARE(x) + SQUARE(z);
dy = abs((distance >> 13) - 768);
y = room->y + ((room->minfloor - room->maxceiling) / 2);
}
dy = y - item->pos.yPos - dy - 128;
short angleH = phd_atan(z, x) - item->pos.yRot;
short angleV = 0;
if (abs(x) <= abs(z))
angleV = phd_atan(abs(x) + (abs(z) / 2), dy);
else
angleV = phd_atan(abs(z) + (abs(x) / 2), dy);
angleV -= item->pos.xRot;
int speed = 8 * WraithSpeed / item->speed;
if (abs(angleH) >= item->itemFlags[2] || angleH > 0 != item->itemFlags[2] > 0)
{
if (angleH >= 0)
{
if (item->itemFlags[2] <= 0)
{
item->itemFlags[2] = 1;
}
else
{
item->itemFlags[2] += speed;
item->pos.yRot += item->itemFlags[2];
}
}
else if (item->itemFlags[2] >= 0)
{
item->itemFlags[2] = -1;
}
else
{
item->itemFlags[2] -= speed;
item->pos.yRot += item->itemFlags[2];
}
}
else
{
item->pos.yRot += angleH;
}
if (abs(angleV) >= item->itemFlags[3] || angleV > 0 != item->itemFlags[3] > 0)
{
if (angleV >= 0)
{
if (item->itemFlags[3] <= 0)
{
item->itemFlags[3] = 1;
}
else
{
item->itemFlags[3] += speed;
item->pos.xRot += item->itemFlags[3];
}
}
else if (item->itemFlags[3] >= 0)
{
item->itemFlags[3] = -1;
}
else
{
item->itemFlags[3] -= speed;
item->pos.xRot += item->itemFlags[3];
}
}
else
{
item->pos.xRot += angleV;
}
short roomNumber = item->roomNumber;
FLOOR_INFO* floor = GetFloor(item->pos.xPos, item->pos.yPos, item->pos.zPos, &roomNumber);
int height = GetFloorHeight(floor, item->pos.xPos, item->pos.yPos, item->pos.zPos);
int ceiling = GetCeiling(floor, item->pos.xPos, item->pos.yPos, item->pos.zPos);
int doEffect = 0;
if (height < item->pos.yPos || ceiling > item->pos.yPos)
{
doEffect = 1;
}
item->pos.xPos += item->speed * phd_sin(item->pos.yRot) >> W2V_SHIFT;
item->pos.yPos += item->speed * phd_sin(item->pos.xRot) >> W2V_SHIFT;
item->pos.zPos += item->speed * phd_cos(item->pos.yRot) >> W2V_SHIFT;
IsRoomOutsideNo = NO_ROOM;
if (item->roomNumber != IsRoomOutsideNo && IsRoomOutsideNo != NO_ROOM)
{
ItemNewRoom(itemNumber, IsRoomOutsideNo);
ROOM_INFO* r = &g_Level.Rooms[IsRoomOutsideNo];
short linkNum = NO_ITEM;
for (linkNum = r->itemNumber; linkNum != NO_ITEM; linkNum = g_Level.Items[linkNum].nextItem)
{
ITEM_INFO* target = &g_Level.Items[linkNum];
if (target->active)
{
if (item->objectNumber == ID_WRAITH1 && target->objectNumber == ID_WRAITH2 ||
item->objectNumber == ID_WRAITH2 && target->objectNumber == ID_WRAITH1 ||
item->objectNumber == ID_WRAITH3 && target->objectNumber == ID_ANIMATING10)
{
break;
}
}
}
if (linkNum != NO_ITEM)
{
item->hitPoints = linkNum;
}
}
}
void WraithEffects(int x, int y, int z, short xVel, short yVel, short zVel, int objNumber)