1 files changed, 51 insertions, 8 deletions

diff --git a/src/render/PointLights.cpp b/src/render/PointLights.cpp
index 6f0b4d46..c8f21d21 100644
--- a/src/render/PointLights.cpp
+++ b/src/render/PointLights.cpp
@@ -1,6 +1,7 @@
 #include "common.h"
 
 #include "main.h"
+#include "CutsceneMgr.h"
 #include "Lights.h"
 #include "Camera.h"
 #include "Weather.h"
@@ -10,8 +11,23 @@
 #include "Timer.h"
 #include "PointLights.h"
 
+//--MIAMI: file done
+
 int16 CPointLights::NumLights;
 CRegisteredPointLight CPointLights::aLights[NUMPOINTLIGHTS];
+CVector CPointLights::aCachedMapReads[32];
+float CPointLights::aCachedMapReadResults[32];
+int32 CPointLights::NextCachedValue;
+
+void
+CPointLights::Init(void)
+{
+	for(int i = 0; i < ARRAY_SIZE(aCachedMapReads); i++){
+		aCachedMapReads[i] = CVector(0.0f, 0.0f, 0.0f);
+		aCachedMapReadResults[i] = 0.0f;
+	}
+	NextCachedValue = 0;
+}
 
 void
 CPointLights::InitPerFrame(void)
@@ -142,12 +158,17 @@ CPointLights::RenderFogEffect(void)
 	CVector spriteCoors;
 	float spritew, spriteh;
 
+	if(CCutsceneMgr::IsRunning())
+		return;
+
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
 	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
 	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, gpPointlightRaster);
 
+	CSprite::InitSpriteBuffer();
+
 	for(i = 0; i < NumLights; i++){
 		if(aLights[i].fogType != FOG_NORMAL && aLights[i].fogType != FOG_ALWAYS)
 			continue;
@@ -218,10 +239,10 @@ CPointLights::RenderFogEffect(void)
 								// more intensity the closer to line
 								intensity *= 1.0f - sq(Sqrt(linedistsq) / FOG_AREA_WIDTH);
 
-								if(CSprite::CalcScreenCoors(fogcoors, &spriteCoors, &spritew, &spriteh, true)){
+								if(CSprite::CalcScreenCoors(fogcoors, &spriteCoors, &spritew, &spriteh, true)) {
 									float rotation = (CTimer::GetTimeInMilliseconds()&0x1FFF) * 2*3.14f / 0x2000;
 									float size = FogSizes[r>>1];
-									CSprite::RenderOneXLUSprite_Rotate_Aspect(spriteCoors.x, spriteCoors.y, spriteCoors.z,
+									CSprite::RenderBufferedOneXLUSprite_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);
@@ -233,9 +254,8 @@ CPointLights::RenderFogEffect(void)
 			}
 
 		}else if(aLights[i].type == LIGHT_POINT || aLights[i].type == LIGHT_FOGONLY || aLights[i].type == LIGHT_FOGONLY_ALWAYS){
-			if(CWorld::ProcessVerticalLine(aLights[i].coors, aLights[i].coors.z - 20.0f,
-					point, entity, true, false, false, false, true, false, nil)){
-
+			float groundZ;
+			if(ProcessVerticalLineUsingCache(aLights[i].coors, &groundZ)){
 				xmin = aLights[i].coors.x - FOG_AREA_RADIUS;
 				ymin = aLights[i].coors.y - FOG_AREA_RADIUS;
 				xmax = aLights[i].coors.x + FOG_AREA_RADIUS;
@@ -266,11 +286,11 @@ CPointLights::RenderFogEffect(void)
 								// 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)){
+								CVector fogcoors(xi, yi, groundZ + 1.6f);
+								if(CSprite::CalcScreenCoors(fogcoors, &spriteCoors, &spritew, &spriteh, true)) {
 									float rotation = (CTimer::GetTimeInMilliseconds()&0x3FFF) * 2*3.14f / 0x4000;
 									float size = FogSizes[r>>1];
-									CSprite::RenderOneXLUSprite_Rotate_Aspect(spriteCoors.x, spriteCoors.y, spriteCoors.z,
+									CSprite::RenderBufferedOneXLUSprite_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);
@@ -282,4 +302,27 @@ CPointLights::RenderFogEffect(void)
 			}
 		}
 	}
+
+	CSprite::FlushSpriteBuffer();
+}
+
+bool
+CPointLights::ProcessVerticalLineUsingCache(CVector coors, float *groundZ)
+{
+	for(int i = 0; i < ARRAY_SIZE(aCachedMapReads); i++)
+		if(aCachedMapReads[i] == coors){
+			*groundZ = aCachedMapReadResults[i];
+			return true;
+		}
+
+	CColPoint point;
+	CEntity *entity;
+	if(CWorld::ProcessVerticalLine(coors, coors.z - 20.0f, point, entity, true, false, false, false, true, false, nil)){
+		aCachedMapReads[NextCachedValue] = coors;
+		aCachedMapReadResults[NextCachedValue] = point.point.z;
+		NextCachedValue = (NextCachedValue+1) % ARRAY_SIZE(aCachedMapReads);
+		*groundZ = point.point.z;
+		return true;
+	}
+	return false;
 }