Re3/src/control/TrafficLights.cpp

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#include "common.h"
#include "patcher.h"
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#include "General.h"
#include "Camera.h"
#include "World.h"
#include "PathFind.h"
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#include "Timer.h"
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#include "Clock.h"
#include "Weather.h"
#include "Timecycle.h"
#include "Pointlights.h"
#include "Shadows.h"
#include "Coronas.h"
#include "SpecialFX.h"
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#include "Vehicle.h"
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#include "TrafficLights.h"
// TODO: figure out the meaning of this
enum { SOME_FLAG = 0x80 };
void
CTrafficLights::DisplayActualLight(CEntity *ent)
{
if(ent->GetUp().z < 0.96f || ent->bRenderDamaged)
return;
int phase;
if(FindTrafficLightType(ent) == 1)
phase = LightForCars1();
else
phase = LightForCars2();
int i;
CBaseModelInfo *mi = CModelInfo::GetModelInfo(ent->GetModelIndex());
float x = mi->Get2dEffect(0)->pos.x;
float yMin = mi->Get2dEffect(0)->pos.y;
float yMax = mi->Get2dEffect(0)->pos.y;
float zMin = mi->Get2dEffect(0)->pos.z;
float zMax = mi->Get2dEffect(0)->pos.z;
for(i = 1; i < 6; i++){
assert(mi->Get2dEffect(i));
yMin = min(yMin, mi->Get2dEffect(i)->pos.y);
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yMax = max(yMax, mi->Get2dEffect(i)->pos.y);
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zMin = min(zMin, mi->Get2dEffect(i)->pos.z);
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zMax = max(zMax, mi->Get2dEffect(i)->pos.z);
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}
CVector pos1, pos2;
uint8 r, g;
int id;
switch(phase){
case CAR_LIGHTS_GREEN:
r = 0;
g = 255;
pos1 = ent->GetMatrix() * CVector(x, yMax, zMin);
pos2 = ent->GetMatrix() * CVector(x, yMin, zMin);
id = 0;
break;
case CAR_LIGHTS_YELLOW:
r = 255;
g = 128;
pos1 = ent->GetMatrix() * CVector(x, yMax, (zMin+zMax)/2.0f);
pos2 = ent->GetMatrix() * CVector(x, yMin, (zMin+zMax)/2.0f);
id = 1;
break;
case CAR_LIGHTS_RED:
default:
r = 255;
g = 0;
pos1 = ent->GetMatrix() * CVector(x, yMax, zMax);
pos2 = ent->GetMatrix() * CVector(x, yMin, zMax);
id = 2;
break;
}
if(CClock::GetHours() > 19 || CClock::GetHours() < 6 || CWeather::Foggyness > 0.05f)
CPointLights::AddLight(CPointLights::LIGHT_POINT,
pos1, CVector(0.0f, 0.0f, 0.0f), 8.0f,
r/255.0f, g/255.0f, 0/255.0f, CPointLights::FOG_NORMAL, true);
CShadows::StoreStaticShadow((uintptr)ent,
SHADOWTYPE_ADDITIVE, gpShadowExplosionTex, &pos1,
8.0f, 0.0f, 0.0f, -8.0f, 128,
r*CTimeCycle::GetLightOnGroundBrightness()/8.0f,
g*CTimeCycle::GetLightOnGroundBrightness()/8.0f,
0*CTimeCycle::GetLightOnGroundBrightness()/8.0f,
12.0f, 1.0f, 40.0f, false, 0.0f);
if(DotProduct(TheCamera.GetForward(), ent->GetForward()) < 0.0f)
CCoronas::RegisterCorona((uintptr)ent + id,
r*CTimeCycle::GetSpriteBrightness()*0.7f,
g*CTimeCycle::GetSpriteBrightness()*0.7f,
0*CTimeCycle::GetSpriteBrightness()*0.7f,
255,
pos1, 1.75f*CTimeCycle::GetSpriteSize(), 50.0f,
CCoronas::TYPE_STAR, CCoronas::FLARE_NONE, CCoronas::REFLECTION_ON,
CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
else
CCoronas::RegisterCorona((uintptr)ent + id + 3,
r*CTimeCycle::GetSpriteBrightness()*0.7f,
g*CTimeCycle::GetSpriteBrightness()*0.7f,
0*CTimeCycle::GetSpriteBrightness()*0.7f,
255,
pos2, 1.75f*CTimeCycle::GetSpriteSize(), 50.0f,
CCoronas::TYPE_STAR, CCoronas::FLARE_NONE, CCoronas::REFLECTION_ON,
CCoronas::LOSCHECK_OFF, CCoronas::STREAK_OFF, 0.0f);
CBrightLights::RegisterOne(pos1, ent->GetUp(), ent->GetRight(), CVector(0.0f, 0.0f, 0.0f), id + BRIGHTLIGHT_TRAFFIC_GREEN);
CBrightLights::RegisterOne(pos2, ent->GetUp(), -ent->GetRight(), CVector(0.0f, 0.0f, 0.0f), id + BRIGHTLIGHT_TRAFFIC_GREEN);
static const float top = -0.127f;
static const float bot = -0.539f;
static const float mid = bot + (top-bot)/3.0f;
static const float left = 1.256f;
static const float right = 0.706f;
phase = CTrafficLights::LightForPeds();
if(phase == PED_LIGHTS_DONT_WALK){
CVector p0(2.7f, right, top);
CVector p1(2.7f, left, top);
CVector p2(2.7f, right, mid);
CVector p3(2.7f, left, mid);
CShinyTexts::RegisterOne(ent->GetMatrix()*p0, ent->GetMatrix()*p1, ent->GetMatrix()*p2, ent->GetMatrix()*p3,
1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
SHINYTEXT_WALK, 255, 0, 0, 60.0f);
}else if(phase == PED_LIGHTS_WALK || CTimer::GetTimeInMilliseconds() & 0x100){
CVector p0(2.7f, right, mid);
CVector p1(2.7f, left, mid);
CVector p2(2.7f, right, bot);
CVector p3(2.7f, left, bot);
CShinyTexts::RegisterOne(ent->GetMatrix()*p0, ent->GetMatrix()*p1, ent->GetMatrix()*p2, ent->GetMatrix()*p3,
1.0f, 0.5f, 0.0f, 0.5f, 1.0f, 1.0f, 0.0f, 1.0f,
SHINYTEXT_WALK, 255, 255, 255, 60.0f);
}
}
void
CTrafficLights::ScanForLightsOnMap(void)
{
int x, y;
int i, j, l;
CPtrNode *node;
for(x = 0; x < NUMSECTORS_X; x++)
for(y = 0; y < NUMSECTORS_Y; y++){
CPtrList &list = CWorld::GetSector(x, y)->m_lists[ENTITYLIST_DUMMIES];
for(node = list.first; node; node = node->next){
CEntity *light = (CEntity*)node->item;
if(light->GetModelIndex() != MI_TRAFFICLIGHTS)
continue;
// Check cars
for(i = 0; i < ThePaths.m_numCarPathLinks; i++){
CVector2D dist = ThePaths.m_carPathLinks[i].pos - light->GetPosition();
float dotY = Abs(DotProduct2D(dist, light->GetForward())); // forward is direction of car light
float dotX = DotProduct2D(dist, light->GetRight()); // towards base of light
// it has to be on the correct side of the node and also not very far away
if(dotX < 0.0f && dotX > -15.0f && dotY < 3.0f){
float dz = ThePaths.m_pathNodes[ThePaths.m_carPathLinks[i].pathNodeIndex].pos.z -
light->GetPosition().z;
if(dz < 15.0f){
ThePaths.m_carPathLinks[i].trafficLightType = FindTrafficLightType(light);
// Find two neighbour nodes of this one
int n1 = -1;
int n2 = -1;
for(j = 0; j < ThePaths.m_numPathNodes; j++)
for(l = 0; l < ThePaths.m_pathNodes[j].numLinks; l++)
if(ThePaths.m_carPathConnections[ThePaths.m_pathNodes[j].firstLink + l] == i){
if(n1 == -1)
n1 = j;
else
n2 = j;
}
// What's going on here?
if(ThePaths.m_pathNodes[n1].numLinks <= ThePaths.m_pathNodes[n2].numLinks)
n1 = n2;
if(ThePaths.m_carPathLinks[i].pathNodeIndex != n1)
ThePaths.m_carPathLinks[i].trafficLightType |= SOME_FLAG;
}
}
}
// Check peds
for(i = ThePaths.m_numCarPathNodes; i < ThePaths.m_numPathNodes; i++){
float dist1, dist2;
dist1 = Abs(ThePaths.m_pathNodes[i].pos.x - light->GetPosition().x) +
Abs(ThePaths.m_pathNodes[i].pos.y - light->GetPosition().y);
if(dist1 < 50.0f){
for(l = 0; l < ThePaths.m_pathNodes[i].numLinks; l++){
j = ThePaths.m_pathNodes[i].firstLink + l;
if(ThePaths.m_connectionFlags[j].bCrossesRoad){
dist2 = Abs(ThePaths.m_pathNodes[j].pos.x - light->GetPosition().x) +
Abs(ThePaths.m_pathNodes[j].pos.y - light->GetPosition().y);
if(dist1 < 15.0f || dist2 < 15.0f)
ThePaths.m_connectionFlags[j].bTrafficLight = true;
}
}
}
}
}
}
}
bool
CTrafficLights::ShouldCarStopForLight(CVehicle *vehicle, bool alwaysStop)
{
int node, type;
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node = vehicle->AutoPilot.m_nNextPathNodeInfo;
type = ThePaths.m_carPathLinks[node].trafficLightType;
if(type){
if((type & SOME_FLAG || ThePaths.m_carPathLinks[node].pathNodeIndex == vehicle->AutoPilot.m_nNextRouteNode) &&
(!(type & SOME_FLAG) || ThePaths.m_carPathLinks[node].pathNodeIndex != vehicle->AutoPilot.m_nNextRouteNode))
if(alwaysStop ||
(type&~SOME_FLAG) == 1 && LightForCars1() != CAR_LIGHTS_GREEN ||
(type&~SOME_FLAG) == 2 && LightForCars2() != CAR_LIGHTS_GREEN){
float dist = DotProduct2D(CVector2D(vehicle->GetPosition()) - ThePaths.m_carPathLinks[node].pos,
ThePaths.m_carPathLinks[node].dir);
if(vehicle->AutoPilot.m_nNextDirection == -1){
if(dist > 0.0f && dist < 8.0f)
return true;
}else{
if(dist < 0.0f && dist > -8.0f)
return true;
}
}
}
node = vehicle->AutoPilot.m_nCurrentPathNodeInfo;
type = ThePaths.m_carPathLinks[node].trafficLightType;
if(type){
if((type & SOME_FLAG || ThePaths.m_carPathLinks[node].pathNodeIndex == vehicle->AutoPilot.m_nCurrentRouteNode) &&
(!(type & SOME_FLAG) || ThePaths.m_carPathLinks[node].pathNodeIndex != vehicle->AutoPilot.m_nCurrentRouteNode))
if(alwaysStop ||
(type&~SOME_FLAG) == 1 && LightForCars1() != CAR_LIGHTS_GREEN ||
(type&~SOME_FLAG) == 2 && LightForCars2() != CAR_LIGHTS_GREEN){
float dist = DotProduct2D(CVector2D(vehicle->GetPosition()) - ThePaths.m_carPathLinks[node].pos,
ThePaths.m_carPathLinks[node].dir);
if(vehicle->AutoPilot.m_nCurrentDirection == -1){
if(dist > 0.0f && dist < 8.0f)
return true;
}else{
if(dist < 0.0f && dist > -8.0f)
return true;
}
}
}
if(vehicle->m_status == STATUS_PHYSICS){
node = vehicle->AutoPilot.m_nPreviousPathNodeInfo;
type = ThePaths.m_carPathLinks[node].trafficLightType;
if(type){
if((type & SOME_FLAG || ThePaths.m_carPathLinks[node].pathNodeIndex == vehicle->AutoPilot.m_nPrevRouteNode) &&
(!(type & SOME_FLAG) || ThePaths.m_carPathLinks[node].pathNodeIndex != vehicle->AutoPilot.m_nPrevRouteNode))
if(alwaysStop ||
(type&~SOME_FLAG) == 1 && LightForCars1() != CAR_LIGHTS_GREEN ||
(type&~SOME_FLAG) == 2 && LightForCars2() != CAR_LIGHTS_GREEN){
float dist = DotProduct2D(CVector2D(vehicle->GetPosition()) - ThePaths.m_carPathLinks[node].pos,
ThePaths.m_carPathLinks[node].dir);
if(vehicle->AutoPilot.m_nPreviousDirection == -1){
if(dist > 0.0f && dist < 6.0f)
return true;
}else{
if(dist < 0.0f && dist > -6.0f)
return true;
}
}
}
}
return false;
}
bool
CTrafficLights::ShouldCarStopForBridge(CVehicle *vehicle)
{
return ThePaths.m_carPathLinks[vehicle->AutoPilot.m_nNextPathNodeInfo].bBridgeLights &&
!ThePaths.m_carPathLinks[vehicle->AutoPilot.m_nCurrentPathNodeInfo].bBridgeLights;
}
int
CTrafficLights::FindTrafficLightType(CEntity *light)
{
float orientation = RADTODEG(CGeneral::GetATanOfXY(light->GetForward().x, light->GetForward().y));
if((orientation > 60.0f && orientation < 60.0f + 90.0f) ||
(orientation > 240.0f && orientation < 240.0f + 90.0f))
return 1;
return 2;
}
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uint8
CTrafficLights::LightForPeds(void)
{
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uint32 period = CTimer::GetTimeInMilliseconds() % 16384;
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if(period < 12000)
return PED_LIGHTS_DONT_WALK;
else if(period < 16384 - 1000)
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return PED_LIGHTS_WALK;
else
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return PED_LIGHTS_WALK_BLINK;
}
uint8
CTrafficLights::LightForCars1(void)
{
uint32 period = CTimer::GetTimeInMilliseconds() % 16384;
if(period < 5000)
return CAR_LIGHTS_GREEN;
else if(period < 5000 + 1000)
return CAR_LIGHTS_YELLOW;
else
return CAR_LIGHTS_RED;
}
uint8
CTrafficLights::LightForCars2(void)
{
uint32 period = CTimer::GetTimeInMilliseconds() % 16384;
if(period < 6000)
return CAR_LIGHTS_RED;
else if(period < 12000 - 1000)
return CAR_LIGHTS_GREEN;
else if(period < 12000)
return CAR_LIGHTS_YELLOW;
else
return CAR_LIGHTS_RED;
}
STARTPATCHES
InjectHook(0x455760, &CTrafficLights::LightForCars1, PATCH_JUMP);
InjectHook(0x455790, &CTrafficLights::LightForCars2, PATCH_JUMP);
InjectHook(0x4557D0, &CTrafficLights::LightForPeds, PATCH_JUMP);
ENDPATCHES