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Merge pull request #290 from Sergeanur/ProjectileInfo

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ProjectileInfo
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aap 2020-01-12 23:19:55 +01:00 committed by GitHub
commit 9d3c73156b
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5 changed files with 318 additions and 15 deletions
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1
README.md
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@ -64,7 +64,6 @@ CPacManPickups
CPedIK
CPedPath
CPlayerPed
CProjectileInfo
CRoadBlocks
CRunningScript - being worked on
CStats

1
src/core/config.h
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@ -86,6 +86,7 @@ enum Config {
NUM_ACCIDENTS = 20,
NUM_FIRES = 40,
NUM_GARAGES = 32,
NUM_PROJECTILES = 32,
NUMPEDROUTES = 200,
NUMPHONES = 50,

2
src/math/Vector.h
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@ -109,7 +109,7 @@ DotProduct(const CVector &v1, const CVector &v2)
return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z;
}
inline CVector
inline const CVector
CrossProduct(const CVector &v1, const CVector &v2)
{
return CVector(

310
src/weapons/ProjectileInfo.cpp
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@ -1,17 +1,317 @@
#include "common.h"
#include "patcher.h"
#include "Camera.h"
#include "General.h"
#include "Heli.h"
#include "ModelIndices.h"
#include "Particle.h"
#include "Ped.h"
#include "Plane.h"
#include "ProjectileInfo.h"
#include "Projectile.h"
#include "Explosion.h"
#include "Weapon.h"
#include "World.h"
CProjectileInfo* gaProjectileInfo = (CProjectileInfo*)0x64ED50;
CProjectile* (&CProjectileInfo::ms_apProjectile)[32] = *(CProjectile*(*)[32])*(uintptr*)0x87C748;
CProjectileInfo (&gaProjectileInfo)[NUM_PROJECTILES] = *(CProjectileInfo(*)[NUM_PROJECTILES])*(uintptr*)0x64ED50;
CProjectile* (&CProjectileInfo::ms_apProjectile)[NUM_PROJECTILES] = *(CProjectile*(*)[NUM_PROJECTILES])*(uintptr*)0x87C748;
WRAPPER void CProjectileInfo::RemoveAllProjectiles(void) { EAXJMP(0x55BB80); }
WRAPPER bool CProjectileInfo::RemoveIfThisIsAProjectile(CObject *pObject) { EAXJMP(0x55BBD0); }
WRAPPER bool CProjectileInfo::IsProjectileInRange(float x1, float x2, float y1, float y2, float z1, float z2, bool remove) { EAXJMP(0x55BA50); }
void
CProjectileInfo::Initialise()
{
debug("Initialising CProjectileInfo...\n");
for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
ms_apProjectile[i] = nil;
gaProjectileInfo[i].m_eWeaponType = WEAPONTYPE_GRENADE;
gaProjectileInfo[i].m_pSource = nil;
gaProjectileInfo[i].m_nExplosionTime = 0;
gaProjectileInfo[i].m_bInUse = false;
}
debug("CProjectileInfo ready\n");
}
void
CProjectileInfo::Shutdown()
{
debug("Shutting down CProjectileInfo...\n");
debug("CProjectileInfo shut down\n");
}
CProjectileInfo*
CProjectileInfo::GetProjectileInfo(int32 id)
{
return &gaProjectileInfo[id];
}
bool
CProjectileInfo::AddProjectile(CEntity *entity, eWeaponType weapon, CVector pos, float speed)
{
int8 SpecialCollisionResponseCase = COLLRESPONSE_NONE;
bool gravity = true;
CMatrix matrix;
float elasticity = 0.75f;
CPed* ped = (CPed*)entity;
int time;
CVector velocity;
switch (weapon)
{
case WEAPONTYPE_ROCKETLAUNCHER:
{
float vy = 1.25f;
time = CTimer::GetTimeInMilliseconds() + 1400;
if (ped->IsPlayer()) {
matrix.GetForward() = TheCamera.Cams[TheCamera.ActiveCam].Front;
matrix.GetUp() = TheCamera.Cams[TheCamera.ActiveCam].Up;
matrix.GetRight() = CrossProduct(TheCamera.Cams[TheCamera.ActiveCam].Up, TheCamera.Cams[TheCamera.ActiveCam].Front);
matrix.GetPosition() = pos;
} else if (ped->m_pSeekTarget != nil) {
float ry = CGeneral::GetRadianAngleBetweenPoints(1.0f, ped->m_pSeekTarget->GetPosition().z, 1.0f, pos.z);
float rz = Atan2(-ped->GetForward().x, ped->GetForward().y);
vy = 0.35f * speed + 0.15f;
matrix.SetTranslate(0.0f, 1.0f, 1.0f);
matrix.Rotate(0.0f, ry, rz);
matrix.GetPosition() += pos;
} else {
matrix = ped->GetMatrix();
}
velocity = Multiply3x3(matrix, CVector(0.0f, vy, 0.0f));
gravity = false;
break;
}
case WEAPONTYPE_FLAMETHROWER:
Error("Undefined projectile type, AddProjectile, ProjectileInfo.cpp");
break;
case WEAPONTYPE_MOLOTOV:
{
time = CTimer::GetTimeInMilliseconds() + 2000;
float scale = 0.22f * speed + 0.15f;
if (scale >= 0.2f)
scale = 0.2f;
float angle = Atan2(-ped->GetForward().x, ped->GetForward().y);
matrix.SetTranslate(0.0f, 0.0f, 0.0f);
matrix.RotateZ(angle);
matrix.GetPosition() += pos;
velocity.x = -1.0f * scale * Sin(angle);
velocity.y = scale * Cos(angle);
velocity.z = (0.2f * speed + 0.4f) * scale;
break;
}
case WEAPONTYPE_GRENADE:
{
time = CTimer::GetTimeInMilliseconds() + 2000;
float scale = 0.0f;
if (speed != 0.0f)
scale = 0.22f * speed + 0.15f;
float angle = Atan2(-ped->GetForward().x, ped->GetForward().y);
matrix.SetTranslate(0.0f, 0.0f, 0.0f);
matrix.RotateZ(angle);
matrix.GetPosition() += pos;
SpecialCollisionResponseCase = COLLRESPONSE_UNKNOWN5;
velocity.x = -1.0f * scale * Sin(angle);
velocity.y = scale * Cos(angle);
velocity.z = (0.4f * speed + 0.4f) * scale;
elasticity = 0.5f;
break;
}
}
int i = 0;
while (gaProjectileInfo[i].m_bInUse && i < ARRAY_SIZE(gaProjectileInfo)) i++;
if (i == ARRAY_SIZE(gaProjectileInfo))
return false;
switch (weapon)
{
case WEAPONTYPE_ROCKETLAUNCHER:
ms_apProjectile[i] = new CProjectile(MI_MISSILE);
break;
case WEAPONTYPE_FLAMETHROWER:
break;
case WEAPONTYPE_MOLOTOV:
ms_apProjectile[i] = new CProjectile(MI_MOLOTOV);
break;
case WEAPONTYPE_GRENADE:
ms_apProjectile[i] = new CProjectile(MI_GRENADE);
break;
}
if (ms_apProjectile[i] == nil)
return false;
gaProjectileInfo[i].m_eWeaponType = weapon;
gaProjectileInfo[i].m_pSource = ped;
ms_apProjectile[i]->GetMatrix() = matrix;
ms_apProjectile[i]->SetMoveSpeed(velocity);
ms_apProjectile[i]->bAffectedByGravity = gravity;
gaProjectileInfo[i].m_nExplosionTime = time;
ms_apProjectile[i]->m_fElasticity = elasticity;
ms_apProjectile[i]->m_nSpecialCollisionResponseCases = SpecialCollisionResponseCase;
gaProjectileInfo[i].m_bInUse = true;
CWorld::Add(ms_apProjectile[i]);
gaProjectileInfo[i].m_vecPos = ms_apProjectile[i]->GetPosition();
return true;
}
void
CProjectileInfo::RemoveProjectile(CProjectileInfo *info, CProjectile *projectile)
{
RemoveNotAdd(info->m_pSource, info->m_eWeaponType, projectile->GetPosition());
info->m_bInUse = false;
CWorld::Remove(projectile);
delete projectile;
}
void
CProjectileInfo::RemoveNotAdd(CEntity *entity, eWeaponType weaponType, CVector pos)
{
switch (weaponType)
{
case WEAPONTYPE_GRENADE:
CExplosion::AddExplosion(nil, entity, EXPLOSION_GRENADE, pos, 0);
break;
case WEAPONTYPE_MOLOTOV:
CExplosion::AddExplosion(nil, entity, EXPLOSION_MOLOTOV, pos, 0);
break;
case WEAPONTYPE_ROCKETLAUNCHER:
CExplosion::AddExplosion(nil, entity, EXPLOSION_ROCKET, pos, 0);
break;
}
}
void
CProjectileInfo::Update()
{
for (int i = 0; i < ARRAY_SIZE(gaProjectileInfo); i++) {
if (!gaProjectileInfo[i].m_bInUse) continue;
CPed *ped = (CPed*)gaProjectileInfo[i].m_pSource;
if (ped != nil && ped->m_type == ENTITY_TYPE_PED && !ped->IsPointerValid())
gaProjectileInfo[i].m_pSource = nil;
if (ms_apProjectile[i] == nil) {
gaProjectileInfo[i].m_bInUse = false;
continue;
}
if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKETLAUNCHER) {
CParticle::AddParticle(PARTICLE_SMOKE, ms_apProjectile[i]->GetPosition(), CVector(0.0f, 0.0f, 0.0f));
}
if (CTimer::GetTimeInMilliseconds() <= gaProjectileInfo[i].m_nExplosionTime) {
if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKETLAUNCHER) {
CVector pos = ms_apProjectile[i]->GetPosition();
CWorld::pIgnoreEntity = ms_apProjectile[i];
if (ms_apProjectile[i]->bHasCollided
|| !CWorld::GetIsLineOfSightClear(gaProjectileInfo[i].m_vecPos, pos, true, true, true, true, false, false)
|| gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKETLAUNCHER && (CHeli::TestRocketCollision(&pos) || CPlane::TestRocketCollision(&pos))) {
RemoveProjectile(&gaProjectileInfo[i], ms_apProjectile[i]);
#ifdef FIX_BUGS
ms_apProjectile[i] = nil;
#endif
}
CWorld::pIgnoreEntity = nil;
} else if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_MOLOTOV) {
CVector pos = ms_apProjectile[i]->GetPosition();
CWorld::pIgnoreEntity = ms_apProjectile[i];
if (gaProjectileInfo[i].m_pSource == nil
|| ((gaProjectileInfo[i].m_vecPos - gaProjectileInfo[i].m_pSource->GetPosition()).MagnitudeSqr() >= 2.0f))
{
if (ms_apProjectile[i]->bHasCollided
|| !CWorld::GetIsLineOfSightClear(gaProjectileInfo[i].m_vecPos, pos, true, true, true, true, false, false)
|| gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKETLAUNCHER && (CHeli::TestRocketCollision(&pos) || CPlane::TestRocketCollision(&pos))) {
RemoveProjectile(&gaProjectileInfo[i], ms_apProjectile[i]);
#ifdef FIX_BUGS
ms_apProjectile[i] = nil;
#endif
}
}
CWorld::pIgnoreEntity = nil;
}
} else {
RemoveProjectile(&gaProjectileInfo[i], ms_apProjectile[i]);
#ifdef FIX_BUGS
ms_apProjectile[i] = nil;
#endif
}
gaProjectileInfo[i].m_vecPos = ms_apProjectile[i]->GetPosition();
}
}
bool
CProjectileInfo::IsProjectileInRange(float x1, float x2, float y1, float y2, float z1, float z2, bool remove)
{
bool result = false;
for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
if (gaProjectileInfo[i].m_bInUse) {
if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKETLAUNCHER || gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_MOLOTOV || gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_GRENADE) {
CVector &pos = ms_apProjectile[i]->GetPosition();
if (pos.x >= x1 && pos.x <= x2 && pos.y >= y1 && pos.y <= y2 && pos.z >= z1 && pos.z <= z2) {
result = true;
if (remove) {
gaProjectileInfo[i].m_bInUse = false;
CWorld::Remove(ms_apProjectile[i]);
delete ms_apProjectile[i];
#ifdef FIX_BUGS
ms_apProjectile[i] = nil;
#endif
}
}
}
}
}
return result;
}
void
CProjectileInfo::RemoveAllProjectiles()
{
for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
if (gaProjectileInfo[i].m_bInUse) {
gaProjectileInfo[i].m_bInUse = false;
CWorld::Remove(ms_apProjectile[i]);
delete ms_apProjectile[i];
#ifdef FIX_BUGS
ms_apProjectile[i] = nil;
#endif
}
}
}
bool
CProjectileInfo::RemoveIfThisIsAProjectile(CObject *object)
{
int i = 0;
while (ms_apProjectile[i++] != object) {
if (i >= ARRAY_SIZE(ms_apProjectile))
return false;
}
gaProjectileInfo[i].m_bInUse = false;
CWorld::Remove(ms_apProjectile[i]);
delete ms_apProjectile[i];
ms_apProjectile[i] = nil;
return true;
}
STARTPATCHES
InjectHook(0x55ADF0, CProjectileInfo::Initialise, PATCH_JUMP);
InjectHook(0x55AFF0, CProjectileInfo::Shutdown, PATCH_JUMP);
InjectHook(0x55B010, CProjectileInfo::GetProjectileInfo, PATCH_JUMP);
InjectHook(0x55B030, CProjectileInfo::AddProjectile, PATCH_JUMP);
InjectHook(0x55B700, CProjectileInfo::RemoveProjectile, PATCH_JUMP);
InjectHook(0x55B770, CProjectileInfo::RemoveNotAdd, PATCH_JUMP);
InjectHook(0x55B7C0, CProjectileInfo::Update, PATCH_JUMP);
InjectHook(0x55BA50, CProjectileInfo::IsProjectileInRange, PATCH_JUMP);
InjectHook(0x55BB80, CProjectileInfo::RemoveAllProjectiles, PATCH_JUMP);
InjectHook(0x55BBD0, CProjectileInfo::RemoveIfThisIsAProjectile, PATCH_JUMP);
ENDPATCHES

19
src/weapons/ProjectileInfo.h
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@ -10,20 +10,23 @@ class CProjectileInfo
public:
eWeaponType m_eWeaponType;
CEntity* m_pSource;
int m_nExplosionTime;
char m_bInUse;
char field_13;
char field_14;
char field_15;
uint32 m_nExplosionTime;
bool m_bInUse;
CVector m_vecPos;
public:
static CProjectileInfo* GetProjectileInfo(int32 id);
static CProjectile* (&ms_apProjectile)[32];
static CProjectile* (&ms_apProjectile)[NUM_PROJECTILES];
static void Initialise();
static void Shutdown();
static bool AddProjectile(CEntity *ped, eWeaponType weapon, CVector pos, float speed);
static void RemoveProjectile(CProjectileInfo *info, CProjectile *projectile);
static void RemoveNotAdd(CEntity *entity, eWeaponType weaponType, CVector pos);
static bool RemoveIfThisIsAProjectile(CObject *pObject);
static void RemoveAllProjectiles(void);
static void RemoveAllProjectiles();
static void Update();
static bool IsProjectileInRange(float x1, float x2, float y1, float y2, float z1, float z2, bool remove);
};
extern CProjectileInfo* gaProjectileInfo;
extern CProjectileInfo (&gaProjectileInfo)[NUM_PROJECTILES];