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-rw-r--r--src/Zones.cpp20
-rw-r--r--src/config.h5
-rw-r--r--src/re3.cpp27
-rw-r--r--src/render/PointLights.cpp283
-rw-r--r--src/render/PointLights.h34
5 files changed, 366 insertions, 3 deletions
diff --git a/src/Zones.cpp b/src/Zones.cpp
index 6caffde2..9b40db0f 100644
--- a/src/Zones.cpp
+++ b/src/Zones.cpp
@@ -360,9 +360,11 @@ CTheZones::GetZoneInfoForTimeOfDay(const CVector *pos, CZoneInfo *info)
else{
if(CClock::GetIsTimeInRange(19, 22)){
n = (CClock::GetHours() - 19) / 3.0f;
+ assert(n >= 0.0f && n <= 1.0f);
d = n - 1.0f;
}else{
d = (CClock::GetHours() - 5) / 3.0f;
+ assert(d >= 0.0f && d <= 1.0f);
n = d - 1.0f;
}
info->carDensity = day->carDensity * d + night->carDensity * n;
@@ -399,6 +401,24 @@ CTheZones::GetZoneInfoForTimeOfDay(const CVector *pos, CZoneInfo *info)
info->pedGroup = day->pedGroup;
else
info->pedGroup = night->pedGroup;
+
+ assert(info->carDensity >= 0);
+ assert(info->carThreshold[0] >= 0);
+ assert(info->carThreshold[1] >= 0);
+ assert(info->carThreshold[2] >= 0);
+ assert(info->carThreshold[3] >= 0);
+ assert(info->carThreshold[4] >= 0);
+ assert(info->carThreshold[5] >= 0);
+ assert(info->copThreshold >= 0);
+ assert(info->gangThreshold[0] >= 0);
+ assert(info->gangThreshold[1] >= 0);
+ assert(info->gangThreshold[2] >= 0);
+ assert(info->gangThreshold[3] >= 0);
+ assert(info->gangThreshold[4] >= 0);
+ assert(info->gangThreshold[5] >= 0);
+ assert(info->gangThreshold[6] >= 0);
+ assert(info->gangThreshold[7] >= 0);
+ assert(info->gangThreshold[8] >= 0);
}
// BUG: there might be a bug somewhere in there that causes
diff --git a/src/config.h b/src/config.h
index f366b76e..ebfc6cdb 100644
--- a/src/config.h
+++ b/src/config.h
@@ -53,8 +53,9 @@ enum Config {
NUMEXTRADIRECTIONALS = 4,
NUMANTENNAS = 8,
- NUMCORONAS = 56
+ NUMCORONAS = 56,
+ NUMPOINTLIGHTS = 32
};
#define GTA3_1_1_PATCH FALSE
-#define USE_PS2_RAND FALSE \ No newline at end of file
+#define USE_PS2_RAND FALSE
diff --git a/src/re3.cpp b/src/re3.cpp
index 572f4c05..e99384e1 100644
--- a/src/re3.cpp
+++ b/src/re3.cpp
@@ -111,6 +111,29 @@ delayedPatches10(int a, int b)
return RsEventHandler_orig(a, b);
}
+void __declspec(naked) HeadlightsFix()
+{
+ static const float fMinusOne = -1.0f;
+ _asm
+ {
+ fld [esp+708h-690h]
+ fcomp fMinusOne
+ fnstsw ax
+ and ah, 5
+ cmp ah, 1
+ jnz HeadlightsFix_DontLimit
+ fld fMinusOne
+ fstp [esp+708h-690h]
+
+HeadlightsFix_DontLimit:
+ fld [esp+708h-690h]
+ fabs
+ fld st
+ push 0x5382F2
+ retn
+ }
+}
+
void
patch()
@@ -120,6 +143,10 @@ patch()
Patch<float>(0x46BC61+6, 1.0f); // car distance
InjectHook(0x59E460, printf, PATCH_JUMP);
+ // stolen from silentpatch (sorry)
+ Patch<WORD>(0x5382BF, 0x0EEB);
+ InjectHook(0x5382EC, HeadlightsFix, PATCH_JUMP);
+
InterceptCall(&open_script_orig, open_script, 0x438869);
InterceptCall(&RsEventHandler_orig, delayedPatches10, 0x58275E);
diff --git a/src/render/PointLights.cpp b/src/render/PointLights.cpp
index 34cfa658..0eb41821 100644
--- a/src/render/PointLights.cpp
+++ b/src/render/PointLights.cpp
@@ -1,13 +1,294 @@
#include "common.h"
#include "patcher.h"
+#include "Lights.h"
+#include "Camera.h"
+#include "Weather.h"
+#include "World.h"
+#include "Collision.h"
+#include "Sprite.h"
+#include "Timer.h"
#include "PointLights.h"
int16 &CPointLights::NumLights = *(int16*)0x95CC3E;
+CRegisteredPointLight *CPointLights::aLights = (CRegisteredPointLight*)0x7096D0;
-WRAPPER void CPointLights::RenderFogEffect(void) { EAXJMP(0x510C30); }
+//WRAPPER void CPointLights::RenderFogEffect(void) { EAXJMP(0x510C30); }
void
CPointLights::InitPerFrame(void)
{
NumLights = 0;
}
+
+#define MAX_DIST 22.0f
+
+void
+CPointLights::AddLight(uint8 type, CVector coors, CVector dir, float radius, float red, float green, float blue, uint8 fogType, bool castExtraShadows)
+{
+ CVector dist;
+ float distance;
+
+ // The check is done in some weird way in the game
+ // we're doing it a bit better here
+ if(NumLights >= NUMPOINTLIGHTS)
+ return;
+
+ dist = coors - TheCamera.GetPosition();
+ if(fabs(dist.x) < MAX_DIST && fabs(dist.y) < MAX_DIST){
+ distance = dist.Magnitude();
+ if(distance < MAX_DIST){
+ aLights[NumLights].type = type;
+ aLights[NumLights].fogType = fogType;
+ aLights[NumLights].coors = coors;
+ aLights[NumLights].dir = dir;
+ aLights[NumLights].radius = radius;
+ aLights[NumLights].castExtraShadows = castExtraShadows;
+ if(distance < MAX_DIST*0.75f){
+ aLights[NumLights].red = red;
+ aLights[NumLights].green = green;
+ aLights[NumLights].blue = blue;
+ }else{
+ float fade = 1.0f - (distance/MAX_DIST - 0.75f)*4.0f;
+ aLights[NumLights].red = red * fade;
+ aLights[NumLights].green = green * fade;
+ aLights[NumLights].blue = blue * fade;
+ }
+ NumLights++;
+ }
+ }
+}
+
+float
+CPointLights::GenerateLightsAffectingObject(CVector *objCoors)
+{
+ int i;
+ float ret;
+ CVector dist;
+ float radius, distance;
+
+ ret = 1.0f;
+ for(i = 0; i < NumLights; i++){
+ if(aLights[i].type == LIGHT_FOGONLY_3 || aLights[i].type == LIGHT_FOGONLY_4)
+ continue;
+
+ // same weird distance calculation. simplified here
+ dist = aLights[i].coors - *objCoors;
+ radius = aLights[i].radius;
+ if(fabs(dist.x) < radius &&
+ fabs(dist.y) < radius &&
+ fabs(dist.z) < radius){
+
+ distance = dist.Magnitude();
+ if(distance < radius){
+
+ float distNorm = distance/radius;
+ if(aLights[i].type == LIGHT_DARKEN){
+ // darken the object the closer it is
+ ret *= distNorm;
+ }else{
+ float intensity;
+ if(distNorm < 0.5f)
+ // near enough
+ intensity = 1.0f;
+ else
+ // attenuate
+ intensity = 1.0f - (distNorm - 0.5f)*2.0f;
+
+ if(distance != 0.0f){
+ CVector dir = dist / distance;
+
+ if(aLights[i].type == LIGHT_DIRECTIONAL){
+ float dot = -DotProduct(dir, aLights[i].dir);
+ intensity *= max((dot-0.5f)*2.0f, 0.0f);
+ }
+
+ if(intensity > 0.0f)
+ AddAnExtraDirectionalLight(Scene.world,
+ dir.x, dir.y, dir.z,
+ aLights[i].red*intensity, aLights[i].green*intensity, aLights[i].blue*intensity);
+ }
+ }
+ }
+ }
+ }
+
+ return ret;
+}
+
+extern RwRaster *&gpPointlightRaster;
+
+void
+CPointLights::RemoveLightsAffectingObject(void)
+{
+ RemoveExtraDirectionalLights(Scene.world);
+}
+
+// for directional fog
+#define FOG_AREA_LENGTH 12.0f
+#define FOG_AREA_WIDTH 5.0f
+// for pointlight fog
+#define FOG_AREA_RADIUS 9.0f
+
+float FogSizes[8] = { 1.3f, 2.0f, 1.7f, 2.0f, 1.4f, 2.1f, 1.5f, 2.3f };
+
+void
+CPointLights::RenderFogEffect(void)
+{
+ int i;
+ float fogginess;
+ CColPoint point;
+ CEntity *entity;
+ float xmin, ymin;
+ float xmax, ymax;
+ int16 xi, yi;
+ CVector spriteCoors;
+ float spritew, spriteh;
+
+ RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
+ RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+ RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
+ RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
+ RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpPointlightRaster);
+
+ for(i = 0; i < NumLights; i++){
+ if(aLights[i].fogType != FOG_NORMAL && aLights[i].fogType != FOG_ALWAYS)
+ continue;
+
+ fogginess = aLights[i].fogType == FOG_ALWAYS ? 1.0f : CWeather::Foggyness;
+ if(fogginess == 0.0f)
+ continue;
+
+ if(aLights[i].type == LIGHT_DIRECTIONAL){
+
+ // TODO: test this. haven't found directional fog so far
+
+ float coors2X = aLights[i].coors.x + FOG_AREA_LENGTH*aLights[i].dir.x;
+ float coors2Y = aLights[i].coors.y + FOG_AREA_LENGTH*aLights[i].dir.y;
+
+ if(coors2X < aLights[i].coors.x){
+ xmin = coors2X;
+ xmax = aLights[i].coors.x;
+ }else{
+ xmax = coors2X;
+ xmin = aLights[i].coors.x;
+ }
+ if(coors2Y < aLights[i].coors.y){
+ ymin = coors2Y;
+ ymax = aLights[i].coors.y;
+ }else{
+ ymax = coors2Y;
+ ymin = aLights[i].coors.y;
+ }
+
+ xmin -= 5.0f;
+ ymin -= 5.0f;
+ xmax += 5.0f;
+ ymax += 5.0f;
+
+ for(xi = (int16)xmin - (int16)xmin % 4; xi <= (int16)xmax + 4; xi += 4){
+ for(yi = (int16)ymin - (int16)ymin % 4; yi <= (int16)ymax + 4; yi += 4){
+ // Some kind of pseudo random number?
+ int r = (xi ^ yi)>>2 & 0xF;
+ if((r & 1) == 0)
+ continue;
+
+ // Check if fog effect is close enough to directional line in x and y
+ float dx = xi - aLights[i].coors.x;
+ float dy = yi - aLights[i].coors.y;
+ float dot = dx*aLights[i].dir.x + dy*aLights[i].dir.y;
+ float distsq = sq(dx) + sq(dy);
+ float linedistsq = distsq - sq(dot);
+ if(dot > 0.0f && dot < FOG_AREA_LENGTH && linedistsq < sq(FOG_AREA_WIDTH)){
+ CVector fogcoors(xi, yi, aLights[i].coors.z + 1.0f);
+ if(CWorld::ProcessVerticalLine(fogcoors, fogcoors.z - 20.0f,
+ point, entity, true, false, false, false, true, false, nil)){
+ // Now same check again in xyz
+ fogcoors.z = point.point.z + 1.3f;
+ // actually we don't have to recalculate x and y, but the game does it that way
+ dx = xi - aLights[i].coors.x;
+ dy = yi - aLights[i].coors.y;
+ float dz = fogcoors.z - aLights[i].coors.z;
+ dot = dx*aLights[i].dir.x + dy*aLights[i].dir.y + dz*aLights[i].dir.z;
+ distsq = sq(dx) + sq(dy) + sq(dz);
+ linedistsq = distsq - sq(dot);
+ if(dot > 0.0f && dot < FOG_AREA_LENGTH && linedistsq < sq(FOG_AREA_WIDTH)){
+ float intensity = 158.0f * fogginess;
+ // more intensity the smaller the angle
+ intensity *= dot/sqrt(distsq);
+ // more intensity the closer to light source
+ intensity *= 1.0f - sq(dot/FOG_AREA_LENGTH);
+ // more intensity the closer to line
+ intensity *= 1.0f - sq(sqrt(linedistsq) / FOG_AREA_WIDTH);
+
+ if(CSprite::CalcScreenCoors(fogcoors, spriteCoors, &spritew, &spriteh, true)){
+ float rotation = (CTimer::GetTimeInMilliseconds()&0x1FFF) * 2*3.14f / 0x1FFF;
+ float size = FogSizes[r>>1];
+ CSprite::RenderOneXLUSprite_Rotate_Aspect(spriteCoors.x, spriteCoors.y, spriteCoors.z,
+ spritew * size, spriteh * size,
+ aLights[i].red * intensity, aLights[i].green * intensity, aLights[i].blue * intensity,
+ intensity, 1/spriteCoors.z, rotation, 255);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ }else if(aLights[i].type == LIGHT_POINT || aLights[i].type == LIGHT_FOGONLY_3 || aLights[i].type == LIGHT_FOGONLY_4){
+ if(CWorld::ProcessVerticalLine(aLights[i].coors, aLights[i].coors.z - 20.0f,
+ point, entity, true, false, false, false, true, false, nil)){
+
+ xmin = aLights[i].coors.x - FOG_AREA_RADIUS;
+ ymin = aLights[i].coors.y - FOG_AREA_RADIUS;
+ xmax = aLights[i].coors.x + FOG_AREA_RADIUS;
+ ymax = aLights[i].coors.y + FOG_AREA_RADIUS;
+
+ for(xi = (int16)xmin - (int16)xmin % 2; xi <= (int16)xmax + 2; xi += 2){
+ for(yi = (int16)ymin - (int16)ymin % 2; yi <= (int16)ymax + 2; yi += 2){
+ // Some kind of pseudo random number?
+ int r = (xi ^ yi)>>1 & 0xF;
+ if((r & 1) == 0)
+ continue;
+
+ float dx = xi - aLights[i].coors.x;
+ float dy = yi - aLights[i].coors.y;
+ float lightdist = sqrt(sq(dx) + sq(dy));
+ if(lightdist < FOG_AREA_RADIUS){
+ dx = xi - TheCamera.GetPosition().x;
+ dy = yi - TheCamera.GetPosition().y;
+ float camdist = sqrt(sq(dx) + sq(dy));
+ if(camdist < MAX_DIST){
+ float intensity;
+ // distance fade
+ if(camdist < MAX_DIST/2)
+ intensity = 1.0f;
+ else
+ intensity = 1.0f - (camdist - MAX_DIST/2) / (MAX_DIST/2);
+ intensity *= 132.0f * fogginess;
+ // more intensity the closer to light source
+ intensity *= 1.0f - sq(lightdist / FOG_AREA_RADIUS);
+
+ CVector fogcoors(xi, yi, point.point.z + 1.6f);
+ if(CSprite::CalcScreenCoors(fogcoors, spriteCoors, &spritew, &spriteh, true)){
+ float rotation = (CTimer::GetTimeInMilliseconds()&0x3FFF) * 2*3.14f / 0x3FFF;
+ float size = FogSizes[r>>1];
+ CSprite::RenderOneXLUSprite_Rotate_Aspect(spriteCoors.x, spriteCoors.y, spriteCoors.z,
+ spritew * size, spriteh * size,
+ aLights[i].red * intensity, aLights[i].green * intensity, aLights[i].blue * intensity,
+ intensity, 1/spriteCoors.z, rotation, 255);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+STARTPATCHES
+ InjectHook(0x510790, CPointLights::AddLight, PATCH_JUMP);
+ InjectHook(0x510960, CPointLights::GenerateLightsAffectingObject, PATCH_JUMP);
+ InjectHook(0x510C20, CPointLights::RemoveLightsAffectingObject, PATCH_JUMP);
+ InjectHook(0x510C30, CPointLights::RenderFogEffect, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/render/PointLights.h b/src/render/PointLights.h
index e72e8ede..288571d0 100644
--- a/src/render/PointLights.h
+++ b/src/render/PointLights.h
@@ -1,9 +1,43 @@
#pragma once
+class CRegisteredPointLight
+{
+public:
+ CVector coors;
+ CVector dir;
+ float radius;
+ float red;
+ float green;
+ float blue;
+ int8 type;
+ int8 fogType;
+ bool castExtraShadows;
+};
+static_assert(sizeof(CRegisteredPointLight) == 0x2C, "CRegisteredPointLight: error");
+
class CPointLights
{
+ // Probably have to make this public for shadows later
static int16 &NumLights;
+ static CRegisteredPointLight *aLights; //[NUMPOINTLIGHTS]
public:
+ enum {
+ LIGHT_POINT,
+ LIGHT_DIRECTIONAL,
+ LIGHT_DARKEN, // no effects at all
+ // these have only fog, otherwise no difference?
+ LIGHT_FOGONLY_3,
+ LIGHT_FOGONLY_4,
+ };
+ enum {
+ FOG_NONE,
+ FOG_NORMAL, // taken from Foggyness
+ FOG_ALWAYS
+ };
+
static void InitPerFrame(void);
+ static void AddLight(uint8 type, CVector coors, CVector dir, float radius, float red, float green, float blue, uint8 fogType, bool castExtraShadows);
+ static float GenerateLightsAffectingObject(CVector *objCoors);
+ static void RemoveLightsAffectingObject(void);
static void RenderFogEffect(void);
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 08:28:36 +0100