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re-GTA
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bullet traces

This commit is contained in:
Nikolay Korolev 2020-03-21 20:14:29 +03:00
parent ac610b7e6e
commit c2f5dfdb1e
3 changed files with 118 additions and 11 deletions
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12
src/control/Replay.cpp
View File

@ -280,7 +280,7 @@ void CReplay::RecordThisFrame(void)
}
memory_required += sizeof(tPedUpdatePacket);
}
for (uint8 i = 0; i < 16; i++) {
for (uint8 i = 0; i < CBulletTraces::NUM_BULLET_TRACES; i++) {
if (!CBulletTraces::aTraces[i].m_bInUse)
continue;
memory_required += sizeof(tBulletTracePacket);
@ -340,7 +340,7 @@ void CReplay::RecordThisFrame(void)
}
StorePedUpdate(p, i);
}
for (uint8 i = 0; i < 16; i++){
for (uint8 i = 0; i < CBulletTraces::NUM_BULLET_TRACES; i++){
if (!CBulletTraces::aTraces[i].m_bInUse)
continue;
tBulletTracePacket* bt = (tBulletTracePacket*)&Record.m_pBase[Record.m_nOffset];
@ -348,8 +348,8 @@ void CReplay::RecordThisFrame(void)
bt->index = i;
bt->frames = CBulletTraces::aTraces[i].m_framesInUse;
bt->lifetime = CBulletTraces::aTraces[i].m_lifeTime;
bt->inf = CBulletTraces::aTraces[i].m_vecInf;
bt->sup = CBulletTraces::aTraces[i].m_vecSup;
bt->inf = CBulletTraces::aTraces[i].m_vecCurrentPos;
bt->sup = CBulletTraces::aTraces[i].m_vecTargetPos;
Record.m_nOffset += sizeof(*bt);
}
tEndOfFramePacket* eof = (tEndOfFramePacket*)&Record.m_pBase[Record.m_nOffset];
@ -995,8 +995,8 @@ bool CReplay::PlayBackThisFrameInterpolation(CAddressInReplayBuffer *buffer, flo
CBulletTraces::aTraces[pb->index].m_bInUse = true;
CBulletTraces::aTraces[pb->index].m_framesInUse = pb->frames;
CBulletTraces::aTraces[pb->index].m_lifeTime = pb->lifetime;
CBulletTraces::aTraces[pb->index].m_vecInf = pb->inf;
CBulletTraces::aTraces[pb->index].m_vecSup = pb->sup;
CBulletTraces::aTraces[pb->index].m_vecCurrentPos = pb->inf;
CBulletTraces::aTraces[pb->index].m_vecTargetPos = pb->sup;
buffer->m_nOffset += sizeof(tBulletTracePacket);
}
default:

103
src/render/SpecialFX.cpp
View File

@ -14,6 +14,8 @@
#include "Particle.h"
#include "General.h"
#include "Camera.h"
#include "Shadows.h"
#include "main.h"
WRAPPER void CSpecialFX::Render(void) { EAXJMP(0x518DC0); }
WRAPPER void CSpecialFX::Update(void) { EAXJMP(0x518D40); }
@ -21,9 +23,101 @@ WRAPPER void CSpecialFX::Update(void) { EAXJMP(0x518D40); }
WRAPPER void CMotionBlurStreaks::RegisterStreak(int32 id, uint8 r, uint8 g, uint8 b, CVector p1, CVector p2) { EAXJMP(0x519460); }
CBulletTrace (&CBulletTraces::aTraces)[16] = *(CBulletTrace(*)[16])*(uintptr*)0x72B1B8;
CBulletTrace (&CBulletTraces::aTraces)[NUM_BULLET_TRACES] = *(CBulletTrace(*)[NUM_BULLET_TRACES])*(uintptr*)0x72B1B8;
RxObjSpace3DVertex (&TraceVertices)[6] = *(RxObjSpace3DVertex(*)[6])*(uintptr*)0x649884;
RwImVertexIndex (&TraceIndexList)[12] = *(RwImVertexIndex(*)[12])*(uintptr*)0x64986C;
WRAPPER void CBulletTraces::Init(void) { EAXJMP(0x518DE0); }
void CBulletTraces::Init(void)
{
for (int i = 0; i < NUM_BULLET_TRACES; i++)
aTraces[i].m_bInUse = false;
}
void CBulletTraces::AddTrace(CVector* vecStart, CVector* vecTarget)
{
int index;
for (index = 0; index < NUM_BULLET_TRACES; index++) {
if (!aTraces[index].m_bInUse)
break;
}
if (index == NUM_BULLET_TRACES)
return;
aTraces[index].m_vecCurrentPos = *vecStart;
aTraces[index].m_vecTargetPos = *vecTarget;
aTraces[index].m_bInUse = true;
aTraces[index].m_framesInUse = 0;
aTraces[index].m_lifeTime = 25 + CGeneral::GetRandomNumber() % 32;
}
void CBulletTraces::Render(void)
{
for (int i = 0; i < NUM_BULLET_TRACES; i++) {
if (!aTraces[i].m_bInUse)
continue;
RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)0);
RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)2);
RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)2);
RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpShadowExplosionTex->raster);
CVector inf = aTraces[i].m_vecCurrentPos;
CVector sup = aTraces[i].m_vecTargetPos;
CVector center = (inf + sup) / 2;
CVector screenPos = CrossProduct(TheCamera.GetForward(), (sup - inf));
screenPos.Normalise();
screenPos /= 20;
uint8 intensity = aTraces[i].m_lifeTime;
uint32 color = 0xFF << 24 | intensity << 16 | intensity << 8 | intensity;
TraceVertices[0].color = color;
TraceVertices[1].color = color;
TraceVertices[2].color = color;
TraceVertices[3].color = color;
TraceVertices[4].color = color;
TraceVertices[5].color = color;
// cast to satisfy compiler
TraceVertices[0].objVertex = (const CVector&)(inf + screenPos);
TraceVertices[1].objVertex = (const CVector&)(inf - screenPos);
TraceVertices[2].objVertex = (const CVector&)(center + screenPos);
TraceVertices[3].objVertex = (const CVector&)(center - screenPos);
TraceVertices[4].objVertex = (const CVector&)(sup + screenPos);
TraceVertices[5].objVertex = (const CVector&)(sup - screenPos);
LittleTest();
if (RwIm3DTransform(TraceVertices, ARRAY_SIZE(TraceVertices), nil, 1)) {
RwIm3DRenderIndexedPrimitive(rwPRIMTYPETRILIST, TraceIndexList, ARRAY_SIZE(TraceIndexList));
RwIm3DEnd();
}
}
RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)1);
RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)5);
RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)6);
}
void CBulletTraces::Update(void)
{
for (int i = 0; i < NUM_BULLET_TRACES; i++) {
if (aTraces[i].m_bInUse)
aTraces[i].Update();
}
}
void CBulletTrace::Update(void)
{
if (m_framesInUse == 0) {
m_framesInUse++;
return;
}
if (m_framesInUse > 60) {
m_bInUse = false;
return;
}
CVector diff = m_vecCurrentPos - m_vecTargetPos;
float remaining = diff.Magnitude();
if (remaining > 0.8f)
m_vecCurrentPos = m_vecTargetPos + (remaining - 0.8f) / remaining * diff;
else
m_bInUse = false;
if (--m_lifeTime == 0)
m_bInUse = false;
m_framesInUse++;
}
WRAPPER void CBrightLights::RegisterOne(CVector pos, CVector up, CVector right, CVector fwd, uint8 type, uint8 unk1, uint8 unk2, uint8 unk3) { EAXJMP(0x51A410); }
@ -460,6 +554,11 @@ CSpecialParticleStuff::UpdateBoatFoamAnimation(CMatrix* pMatrix)
}
STARTPATCHES
InjectHook(0x518DE0, &CBulletTraces::Init, PATCH_JUMP);
InjectHook(0x518E90, &CBulletTraces::AddTrace, PATCH_JUMP);
InjectHook(0x518F20, &CBulletTraces::Render, PATCH_JUMP);
InjectHook(0x519240, &CBulletTraces::Update, PATCH_JUMP);
InjectHook(0x51B070, &C3dMarker::AddMarker, PATCH_JUMP);
InjectHook(0x51B170, &C3dMarker::DeleteMarkerObject, PATCH_JUMP);
InjectHook(0x51B1B0, &C3dMarker::Render, PATCH_JUMP);

14
src/render/SpecialFX.h
View File

@ -15,19 +15,27 @@ public:
struct CBulletTrace
{
CVector m_vecInf;
CVector m_vecSup;
CVector m_vecCurrentPos;
CVector m_vecTargetPos;
bool m_bInUse;
uint8 m_framesInUse;
uint8 m_lifeTime;
void Update(void);
};
class CBulletTraces
{
public:
static CBulletTrace (&aTraces)[16];
enum {
NUM_BULLET_TRACES = 16
};
static CBulletTrace (&aTraces)[NUM_BULLET_TRACES];
static void Init(void);
static void AddTrace(CVector*, CVector*);
static void Render(void);
static void Update(void);
};
class CBrightLights