BLADERUNNER: fixed lighting cache

actors can be now partially illuminated (per slice), it iss visible in scene rc02 in the right part of the room

13 files changed, 121 insertions, 108 deletions

diff --git a/engines/bladerunner/actor.cpp b/engines/bladerunner/actor.cpp
index 52cebb659d..49a66d9ef6 100644
--- a/engines/bladerunner/actor.cpp
+++ b/engines/bladerunner/actor.cpp
@@ -1057,11 +1057,11 @@ bool Actor::isSpeeching() {
 	return _vm->_audioSpeech->isPlaying();
 }
 
-void Actor::addClueToDatabase(int clueId, int unknown, bool clueAcquired, bool unknownFlag, int fromActorId) {
-	_clues->add(_id, clueId, unknown, clueAcquired, unknownFlag, fromActorId);
+void Actor::addClueToDatabase(int clueId, int weight, bool clueAcquired, bool unknownFlag, int fromActorId) {
+	_clues->add(_id, clueId, weight, clueAcquired, unknownFlag, fromActorId);
 }
 
-void Actor::acquireClue(int clueId, byte unknownFlag, int fromActorId) {
+void Actor::acquireClue(int clueId, bool unknownFlag, int fromActorId) {
 	_clues->acquire(clueId, unknownFlag, fromActorId);
 }
 
@@ -1078,9 +1078,10 @@ void Actor::copyClues(int actorId) {
 	for (int i = 0; i < (int)_vm->_gameInfo->getClueCount(); i++) {
 		if (hasClue(i) && !_clues->isFlag4(i) && !otherActor->hasClue(i)) {
 			int fromActorId = _id;
-			if (_id == VOICEOVER_ACTOR)
+			if (_id == VOICEOVER_ACTOR) {
 				fromActorId = _clues->getFromActorId(i);
-			otherActor->acquireClue(i, 0, fromActorId);
+			}
+			otherActor->acquireClue(i, false, fromActorId);
 		}
 	}
 }
diff --git a/engines/bladerunner/actor.h b/engines/bladerunner/actor.h
index cf93a7f2e0..0ff4723c9d 100644
--- a/engines/bladerunner/actor.h
+++ b/engines/bladerunner/actor.h
@@ -208,7 +208,7 @@ public:
 	bool isSpeeching();
 
 	void addClueToDatabase(int clueId, int unknown, bool clueAcquired, bool unknownFlag, int fromActorId);
-	void acquireClue(int clueId, byte unknownFlag, int fromActorId);
+	void acquireClue(int clueId, bool unknownFlag, int fromActorId);
 	void loseClue(int clueId);
 	bool hasClue(int clueId);
 	void copyClues(int actorId);
diff --git a/engines/bladerunner/actor_clues.cpp b/engines/bladerunner/actor_clues.cpp
index f6b0848a20..749dda2b15 100644
--- a/engines/bladerunner/actor_clues.cpp
+++ b/engines/bladerunner/actor_clues.cpp
@@ -73,7 +73,7 @@ ActorClues::~ActorClues() {
 	_count = 0;
 }
 
-void ActorClues::acquire(int clueId, char flag2, int fromActorId) {
+void ActorClues::acquire(int clueId, bool flag2, int fromActorId) {
 	int clueIndex = findClueIndex(clueId);
 	_clues[clueIndex]._flags |= 0x01;
 	_clues[clueIndex]._flags = (_clues[clueIndex]._flags & ~0x02) | ((flag2 << 1) & 0x02);
@@ -113,7 +113,7 @@ bool ActorClues::isFlag2(int clueId) {
 	return (_clues[clueIndex]._flags & 0x02) >> 1;
 }
 
-bool ActorClues::isFlag3(int clueId) {
+bool ActorClues::isViewed(int clueId) {
 	int clueIndex = findClueIndex(clueId);
 	if (clueIndex == -1) {
 		return false;
@@ -141,7 +141,7 @@ int ActorClues::getField1(int clueId) {
 		return 0;
 	}
 
-	return _clues[clueIndex]._field1;
+	return _clues[clueIndex]._weight;
 }
 
 int ActorClues::getCount() {
@@ -164,13 +164,13 @@ int ActorClues::findClueIndex(int clueId) {
 	return -1;
 }
 
-void ActorClues::add(int actorId, int clueId, int unknown, bool acquired, bool unknownFlag, int fromActorId) {
+void ActorClues::add(int actorId, int clueId, int weight, bool acquired, bool unknownFlag, int fromActorId) {
 	assert(_count < _maxCount);
 
-	debug("Actor %d added clue: \"%s\" from %d", actorId, _vm->_crimesDatabase->getClueText(clueId), fromActorId);
+	//debug("Actor %d added clue: \"%s\" from %d", actorId, _vm->_crimesDatabase->getClueText(clueId), fromActorId);
 
 	_clues[_count]._clueId = clueId;
-	_clues[_count]._field1 = unknown;
+	_clues[_count]._weight = weight;
 
 	_clues[_count]._flags = 0;
 	_clues[_count]._flags = (_clues[_count]._flags & ~0x01) | (acquired & 0x01);
@@ -185,7 +185,7 @@ void ActorClues::remove(int index) {
 		debug("Actor removed clue: \"%s\"", _vm->_crimesDatabase->getClueText(_clues[index]._clueId));
 
 	_clues[index]._clueId = -1;
-	_clues[index]._field1 = 0;
+	_clues[index]._weight = 0;
 	_clues[index]._flags = 0;
 	_clues[index]._fromActorId = -1;
 
diff --git a/engines/bladerunner/actor_clues.h b/engines/bladerunner/actor_clues.h
index 26510ecd33..f7ec877ad2 100644
--- a/engines/bladerunner/actor_clues.h
+++ b/engines/bladerunner/actor_clues.h
@@ -31,7 +31,7 @@ namespace BladeRunner {
 
 struct ActorClue {
 	int _clueId;
-	int _field1;
+	int _weight;
 	int _fromActorId;
 	int _field3;
 	int _field4;
@@ -55,12 +55,12 @@ public:
 	~ActorClues();
 
 	void add(int actorId, int clueId, int unknown, bool acquired, bool unknownFlag, int fromActorId);
-	void acquire(int clueId, char flag2, int fromActorId);
+	void acquire(int clueId, bool flag2, int fromActorId);
 	void lose(int clueId);
 	bool isAcquired(int clueId);
 	int getFromActorId(int clueId);
 	bool isFlag2(int clueId);
-	bool isFlag3(int clueId);
+	bool isViewed(int clueId);
 	bool isFlag4(int clueId);
 	int getField1(int clueId);
 
diff --git a/engines/bladerunner/bladerunner.cpp b/engines/bladerunner/bladerunner.cpp
index e11cc0b53f..17e117baaf 100644
--- a/engines/bladerunner/bladerunner.cpp
+++ b/engines/bladerunner/bladerunner.cpp
@@ -659,37 +659,33 @@ void BladeRunnerEngine::gameTick() {
 					BoundingBox *bbox = &sceneObject->_boundingBox;
 					Vector3 a, b;
 					bbox->getXYZ(&a.x, &a.y, &a.z, &b.x, &b.y, &b.z);
-
-					int color = 0b111111111111111;
-					if (sceneObject->_sceneObjectType == SceneObjectTypeActor) {
-						color = 0b111110000000000;
-					}
-					if (sceneObject->_sceneObjectType == SceneObjectTypeObject) {
-						color = 0b011110111101111;
-			//if (sceneObject->_isObstacle)
-			//	color += 0b100000000000000;
-						if (sceneObject->_isClickable)
-							color = 0b000001111100000;
-			//if (sceneObject->_isTarget)
-			//	color += 0b000000000010000;
-					}
-
-					drawBBox(a, b, _view, &_surface2, color);
-
-			//_surface2.frameRect(sceneObject->_screenRectangle, color);
-
 					Vector3 pos = _view->calculateScreenPosition(0.5 * (a + b));
+					int color;
+
 					switch (sceneObject->_sceneObjectType) {
 					case SceneObjectTypeActor:
+						color = 0b111110000000000;
+						drawBBox(a, b, _view, &_surface2, color);
 						_mainFont->drawColor(_textActorNames->getText(sceneObject->_sceneObjectId - SCENE_OBJECTS_ACTORS_OFFSET), _surface2, pos.x, pos.y, color);
 						break;
 					case SceneObjectTypeItem:
-						_mainFont->drawColor("item", _surface2, pos.x, pos.y, color);
+						char itemText[40];
+						drawBBox(a, b, _view, &_surface2, color);
+						sprintf(itemText, "item %i", sceneObject->_sceneObjectId - SCENE_OBJECTS_ITEMS_OFFSET);
+						_mainFont->drawColor(itemText, _surface2, pos.x, pos.y, color);
 						break;
 					case SceneObjectTypeObject:
+						color = 0b011110111101111;
+						//if (sceneObject->_isObstacle)
+						//	color += 0b100000000000000;
+						if (sceneObject->_isClickable) {
+							color = 0b000001111100000;
+						}
+						drawBBox(a, b, _view, &_surface2, color);
 						_mainFont->drawColor(_scene->objectGetName(sceneObject->_sceneObjectId - SCENE_OBJECTS_OBJECTS_OFFSET), _surface2, pos.x, pos.y, color);
 						break;
 					}
+			_surface2.frameRect(sceneObject->_screenRectangle, color);
 				}
 			}
 
@@ -706,32 +702,51 @@ void BladeRunnerEngine::gameTick() {
 				_surface2.frameRect(region->_rectangle, 0b111111111111111);
 			}
 
+
+			//draw walkboxes
 			for (int i = 0; i < _scene->_set->_walkboxCount; i++) {
 				Walkbox *walkbox = &_scene->_set->_walkboxes[i];
 
 				for (int j = 0; j < walkbox->_vertexCount; j++) {
 					Vector3 start = _view->calculateScreenPosition(walkbox->_vertices[j]);
 					Vector3 end = _view->calculateScreenPosition(walkbox->_vertices[(j + 1) % walkbox->_vertexCount]);
-			//debug("walkbox[%i][%i] =  x=%f y=%f x=%f y=%f", i, j, start.x, start.y, end.x, end.y);
 					_surface2.drawLine(start.x, start.y, end.x, end.y, 0b111111111100000);
 					Vector3 pos = _view->calculateScreenPosition(0.5 * (start + end));
 					_mainFont->drawColor(walkbox->_name, _surface2, pos.x, pos.y, 0b111111111100000);
 				}
-
 			}
 
-//			for (int i = 0; i < (int)_lights->_lights.size(); i++) {
-//				Light *light = _lights->_lights[i];
-//				Matrix4x3 m = light->_matrix;
-//				Vector3 pos = Vector3(m(0, 3), m(1, 3), m(2, 3));
-//				Vector3 size = Vector3(5.0f, 5.0f, 5.0f);
-//				int colorR = (light->_color.r * 31.0f);
-//				int colorG = (light->_color.g * 31.0f);
-//				int colorB = (light->_color.b * 31.0f);
-//				int color = (colorR << 10) + (colorG << 5) + colorB;
-//				drawBBox(pos - size, pos + size, _view, &_surface2, color);
-//			}
+			// draw lights
+			for (int i = 0; i < (int)_lights->_lights.size(); i++) {
+				Light *light = _lights->_lights[i];
+				Matrix4x3 m = light->_matrix;
+				m = invertMatrix(m);
+				//todo do this properly
+				Vector3 posOrigin = m * Vector3(0.0f, 0.0f, 0.0f);
+				float t = posOrigin.y;
+				posOrigin.y = posOrigin.z;
+				posOrigin.z = -t;
+
+				Vector3 posTarget = m * Vector3(0.0f, 0.0f, -100.0f);
+				t = posTarget.y;
+				posTarget.y = posTarget.z;
+				posTarget.z = -t;
 
+				Vector3 size = Vector3(5.0f, 5.0f, 5.0f);
+				int colorR = (light->_color.r * 31.0f);
+				int colorG = (light->_color.g * 31.0f);
+				int colorB = (light->_color.b * 31.0f);
+				int color = (colorR << 10) + (colorG << 5) + colorB;
+
+				drawBBox(posOrigin - size, posOrigin + size, _view, &_surface2, color);
+
+				Vector3 posOriginT = _view->calculateScreenPosition(posOrigin);
+				Vector3 posTargetT = _view->calculateScreenPosition(posTarget);
+				_surface2.drawLine(posOriginT.x, posOriginT.y, posTargetT.x, posTargetT.y, color);
+				_mainFont->drawColor(light->_name, _surface2, posOriginT.x, posOriginT.y, color);
+			}
+
+			//draw waypoints
 			for(int i = 0; i < _waypoints->_count; i++) {
 				Waypoint *waypoint = &_waypoints->_waypoints[i];
 				if(waypoint->_setId != _scene->getSetId())
@@ -744,7 +759,6 @@ void BladeRunnerEngine::gameTick() {
 				char waypointText[40];
 				sprintf(waypointText, "waypoint %i", i);
 				_mainFont->drawColor(waypointText, _surface2, spos.x, spos.y, color);
-
 			}
 #endif
 
diff --git a/engines/bladerunner/light.cpp b/engines/bladerunner/light.cpp
index 8be8d0112b..c447920601 100644
--- a/engines/bladerunner/light.cpp
+++ b/engines/bladerunner/light.cpp
@@ -21,8 +21,8 @@
  */
 
 #include "bladerunner/light.h"
+
 #include "common/util.h"
-#include "common/debug.h"
 
 namespace BladeRunner {
 
@@ -144,7 +144,7 @@ void Light::setupFrame(int frame) {
 }
 
 float Light::calculate(Vector3 start, Vector3 end) {
-	return calculateCoefficient(_matrix * start, _matrix * end, _falloffStart, _falloffEnd);
+	return calculateFalloutCoefficient(_matrix * start, _matrix * end, _falloffStart, _falloffEnd);
 }
 
 void Light::calculateColor(Color *outColor, Vector3 position) {
@@ -155,20 +155,20 @@ void Light::calculateColor(Color *outColor, Vector3 position) {
 	outColor->b = _color.b * att;
 }
 
-float Light::calculateCoefficient(Vector3 start, Vector3 end, float falloffStart, float falloffEnd) {
+float Light::calculateFalloutCoefficient(Vector3 start, Vector3 end, float falloffStart, float falloffEnd) {
 	if (falloffEnd == 0.0f) {
 		return 1.0e30f;
 	}
 
-	if (falloffStart >= start.length() && falloffStart >= end.length()) {
+	if (falloffStart * falloffStart >= start.length() && falloffStart * falloffStart >= end.length()) {
 		return 1.0e30f;
 	}
 
-	float v40 = (end - start).length();
+	float diff = (end - start).length();
 	float v31 = 0.0f;
-	if (v40 != 0.0f) {
+	if (diff != 0.0f) {
 		Vector3 v27 = Vector3::cross(start, (end - start));
-		v31 = v27.length() / v40;
+		v31 = v27.length() / diff;
 	}
 
 	if (v31 < falloffEnd) {
@@ -198,11 +198,11 @@ float Light1::calculate(Vector3 start, Vector3 end) {
 
 	float v40 = 0.0f;
 	if (_falloffEnd != 0.0f) {
-		v40 = calculateCoefficient(start, end, _falloffStart, _falloffEnd);
+		v40 = calculateFalloutCoefficient(start, end, _falloffStart, _falloffEnd);
 	}
 
-	float v41 = atan2(start.length(), -start.z);
-	float v42 = atan2(end.length(), -end.z);
+	float v41 = atan2(sqrt(start.x * start.x + start.y * start.y), -start.z);
+	float v42 = atan2(sqrt(end.x * end.x + end.y * end.y), -end.z);
 
 	float v43;
 	if ((_angleStart >= v41 && _angleStart >= v42) || (_angleEnd <= v41 && _angleEnd <= v42)) {
@@ -240,7 +240,7 @@ float Light2::calculate(Vector3 start, Vector3 end) {
 
 	float v54 = 0.0f;
 	if (_falloffEnd != 0.0f) {
-		v54 = calculateCoefficient(start, end, _falloffStart, _falloffEnd);
+		v54 = calculateFalloutCoefficient(start, end, _falloffStart, _falloffEnd);
 	}
 
 	float v55 = atan2(fabs(start.x), -start.z);
diff --git a/engines/bladerunner/light.h b/engines/bladerunner/light.h
index ce54171de2..7b05378be2 100644
--- a/engines/bladerunner/light.h
+++ b/engines/bladerunner/light.h
@@ -89,7 +89,7 @@ public:
 	virtual void calculateColor(Color *outColor, Vector3 position);
 
 protected:
-	float calculateCoefficient(Vector3 start, Vector3 end, float a3, float a4);
+	float calculateFalloutCoefficient(Vector3 start, Vector3 end, float a3, float a4);
 	float attenuation(float min, float max, float distance);
 };
 
diff --git a/engines/bladerunner/script/scene/rc01.cpp b/engines/bladerunner/script/scene/rc01.cpp
index 5ac89e8d85..642f4c7bb0 100644
--- a/engines/bladerunner/script/scene/rc01.cpp
+++ b/engines/bladerunner/script/scene/rc01.cpp
@@ -220,7 +220,7 @@ bool SceneScriptRC01::ClickedOn3DObject(const char *objectName, bool a2) {
 				Actor_Voice_Over(1880, kActorVoiceOver);
 				Actor_Voice_Over(1890, kActorVoiceOver);
 				I_Sez("JM: That McCoy--he's one funny guy! Jet-black fire truck, hehehehe...");
-				Actor_Clue_Acquire(kActorMcCoy, kCluePaintTransfer, 1, -1);
+				Actor_Clue_Acquire(kActorMcCoy, kCluePaintTransfer, true, -1);
 			}
 		}
 		return true;
@@ -234,11 +234,11 @@ bool SceneScriptRC01::ClickedOn3DObject(const char *objectName, bool a2) {
 				Actor_Face_Actor(kActorOfficerLeary, kActorMcCoy, true);
 				Actor_Says(kActorOfficerLeary, 0, 12);
 				Actor_Says(kActorMcCoy, 4495, 13);
-				Actor_Clue_Acquire(kActorMcCoy, kClueDoorForced2, 1, kActorOfficerLeary);
+				Actor_Clue_Acquire(kActorMcCoy, kClueDoorForced2, true, kActorOfficerLeary);
 			} else {
 				Actor_Says(kActorMcCoy, 8570, 14);
 			}
-			Actor_Clue_Acquire(kActorMcCoy, kClueDoorForced1, 1, -1);
+			Actor_Clue_Acquire(kActorMcCoy, kClueDoorForced1, true, -1);
 		}
 		return true;
 	}
@@ -270,7 +270,7 @@ bool SceneScriptRC01::ClickedOnActor(int actorId) {
 					Actor_Face_Object(kActorOfficerLeary, "70_1", true);
 					Actor_Says(kActorOfficerLeary, 100, 15);
 					Actor_Face_Actor(kActorOfficerLeary, kActorMcCoy, true);
-					Actor_Clue_Acquire(kActorMcCoy, kClueCrowdInterviewA, 1, kActorOfficerLeary);
+					Actor_Clue_Acquire(kActorMcCoy, kClueCrowdInterviewA, true, kActorOfficerLeary);
 					Game_Flag_Reset(392);
 				} else if (Actor_Clue_Query(kActorOfficerLeary, kClueCrowdInterviewB) && !Actor_Clue_Query(kActorMcCoy, kClueCrowdInterviewB)) {
 					Actor_Face_Object(kActorOfficerLeary, "70_5", true);
@@ -278,7 +278,7 @@ bool SceneScriptRC01::ClickedOnActor(int actorId) {
 					Actor_Face_Actor(kActorOfficerLeary, kActorMcCoy, true);
 					Actor_Says(kActorOfficerLeary, 130, 14);
 					I_Sez("JM: Did it have a huge, ugly piece of chrome on it?");
-					Actor_Clue_Acquire(kActorMcCoy, kClueCrowdInterviewB, 1, kActorOfficerLeary);
+					Actor_Clue_Acquire(kActorMcCoy, kClueCrowdInterviewB, true, kActorOfficerLeary);
 					Game_Flag_Reset(392);
 				} else {
 					Actor_Says(kActorOfficerLeary, 90, 16);
@@ -294,7 +294,7 @@ bool SceneScriptRC01::ClickedOnActor(int actorId) {
 				I_Sez("MG: Hey, leave that officer alone. Can't you see he's busy?");
 				I_Sez("JM: (...mmm, donuts...)");
 				Game_Flag_Set(3);
-				Actor_Clue_Acquire(kActorMcCoy, kClueOfficersStatement, 1, kActorOfficerLeary);
+				Actor_Clue_Acquire(kActorMcCoy, kClueOfficersStatement, true, kActorOfficerLeary);
 				Actor_Says(kActorMcCoy, 4515, 13);
 				Game_Flag_Set(392);
 				Actor_Says(kActorOfficerLeary, 40, 13);
@@ -321,7 +321,7 @@ bool SceneScriptRC01::ClickedOnItem(int itemId, bool a2) {
 		Actor_Set_Goal_Number(kActorOfficerLeary, 0);
 		if (!Loop_Actor_Walk_To_Item(kActorMcCoy, 66, 36, 1, false)) {
 			Actor_Face_Item(kActorMcCoy, 66, true);
-			Actor_Clue_Acquire(kActorMcCoy, kClueChromeDebris, 1, -1);
+			Actor_Clue_Acquire(kActorMcCoy, kClueChromeDebris, true, -1);
 			Actor_Face_Actor(kActorOfficerLeary, kActorMcCoy, true);
 			Actor_Says(kActorOfficerLeary, 20, 12);
 			Game_Flag_Set(163);
diff --git a/engines/bladerunner/script/script.cpp b/engines/bladerunner/script/script.cpp
index 18d99273c8..184efe7ae2 100644
--- a/engines/bladerunner/script/script.cpp
+++ b/engines/bladerunner/script/script.cpp
@@ -536,11 +536,11 @@ bool ScriptBase::Loop_Actor_Travel_Ladder(int actorId, int a2, int a3, int a4) {
 	return false;
 }
 
-void ScriptBase::Actor_Clue_Add_To_Database(int actorId, int clueId, int unknown, bool clueAcquired, bool unknownFlag, int fromActorId) {
-	_vm->_actors[actorId]->addClueToDatabase(clueId, unknown, clueAcquired, unknownFlag, fromActorId);
+void ScriptBase::Actor_Clue_Add_To_Database(int actorId, int clueId, int weight, bool clueAcquired, bool unknownFlag, int fromActorId) {
+	_vm->_actors[actorId]->addClueToDatabase(clueId, weight, clueAcquired, unknownFlag, fromActorId);
 }
 
-void ScriptBase::Actor_Clue_Acquire(int actorId, int clueId, byte unknownFlag, int fromActorId) {
+void ScriptBase::Actor_Clue_Acquire(int actorId, int clueId, bool unknownFlag, int fromActorId) {
 	_vm->_actors[actorId]->acquireClue(clueId, unknownFlag, fromActorId);
 }
 
diff --git a/engines/bladerunner/script/script.h b/engines/bladerunner/script/script.h
index 12a76505ff..836d914ca5 100644
--- a/engines/bladerunner/script/script.h
+++ b/engines/bladerunner/script/script.h
@@ -511,7 +511,7 @@ protected:
 	bool Loop_Actor_Travel_Stairs(int actorId, int a2, int a3, int a4);
 	bool Loop_Actor_Travel_Ladder(int actorId, int a2, int a3, int a4);
 	void Actor_Clue_Add_To_Database(int actorId, int clueId, int weight, bool clueAcquired, bool unknownFlag, int fromActorId);
-	void Actor_Clue_Acquire(int actorId, int clueId, byte unknownFlag, int fromActorId);
+	void Actor_Clue_Acquire(int actorId, int clueId, bool unknownFlag, int fromActorId);
 	void Actor_Clue_Lose(int actorId, int clueId);
 	bool Actor_Clue_Query(int actorId, int clueId);
 	void Actor_Clues_Transfer_New_To_Mainframe(int actorId);
diff --git a/engines/bladerunner/slice_renderer.cpp b/engines/bladerunner/slice_renderer.cpp
index 4f2d52c0b8..e0845eeba3 100644
--- a/engines/bladerunner/slice_renderer.cpp
+++ b/engines/bladerunner/slice_renderer.cpp
@@ -569,9 +569,9 @@ SliceRendererLights::SliceRendererLights(Lights *lights) {
 	_lights = lights;
 
 	for (int i = 0; i < 20; i++) {
-		_colors[i].r = 0.0f;
-		_colors[i].g = 0.0f;
-		_colors[i].b = 0.0f;
+		_cacheColor[i].r = 0.0f;
+		_cacheColor[i].g = 0.0f;
+		_cacheColor[i].b = 0.0f;
 	}
 }
 
@@ -579,28 +579,27 @@ void SliceRendererLights::calculateColorBase(Vector3 position1, Vector3 position
 	_finalColor.r = 0.0f;
 	_finalColor.g = 0.0f;
 	_finalColor.b = 0.0f;
-	_hmm3 = 0;
+	_cacheRecalculation = 0;
 	if (_lights) {
 		for (uint i = 0; i < _lights->_lights.size(); i++) {
 			Light *light = _lights->_lights[i];
 			if (i < 20) {
-				float v8 = light->calculate(position1, position2/*, height*/);
+				float cacheCoeficient = light->calculate(position1, position2/*, height*/);
+				_cacheStart[i] = cacheCoeficient;
+				_cacheCounter[i] = cacheCoeficient;
 
-				this->_hmm2[i] = v8;
-				this->_hmm[i] = v8;
-
-				Color v22;
-				light->calculateColor(&v22, position1);
-				_colors[i] = v22;
-				_finalColor.r += v22.r;
-				_finalColor.g += v22.g;
-				_finalColor.b += v22.b;
+				Color color;
+				light->calculateColor(&color, position1);
+				_cacheColor[i] = color;
+				_finalColor.r += color.r;
+				_finalColor.g += color.g;
+				_finalColor.b += color.b;
 			} else {
-				Color v23;
-				light->calculateColor(&v23, position1);
-				_finalColor.r += v23.r;
-				_finalColor.g += v23.g;
-				_finalColor.b += v23.b;
+				Color color;
+				light->calculateColor(&color, position1);
+				_finalColor.r += color.r;
+				_finalColor.g += color.g;
+				_finalColor.b += color.b;
 			}
 		}
 
@@ -619,22 +618,21 @@ void SliceRendererLights::calculateColorSlice(Vector3 position) {
 		for (uint i = 0; i < _lights->_lights.size(); i++) {
 			Light *light = _lights->_lights[i];
 			if (i < 20) {
-				_hmm[i] = _hmm[i] - 1.0f;
-
-				if (_hmm[i] <= 0.0f) {
+				_cacheCounter[i] -= 1.0f;
+				if (_cacheCounter[i] <= 0.0f) {
 					do {
-						_hmm[i] = _hmm[i] + _hmm2[i];
-					} while (_hmm[i] <= 0.0f);
-					light->calculateColor(&_colors[i], position);
-					_hmm3++;
+						_cacheCounter[i] = _cacheCounter[i] + _cacheStart[i];
+					} while (_cacheCounter[i] <= 0.0f);
+					light->calculateColor(&_cacheColor[i], position);
+					_cacheRecalculation++;
 				}
-				_finalColor.r += _colors[i].r;
-				_finalColor.g += _colors[i].g;
-				_finalColor.b += _colors[i].b;
+				_finalColor.r += _cacheColor[i].r;
+				_finalColor.g += _cacheColor[i].g;
+				_finalColor.b += _cacheColor[i].b;
 			} else {
 				Color color;
 				light->calculateColor(&color, position);
-				_hmm3++;
+				_cacheRecalculation++;
 				_finalColor.r += color.r;
 				_finalColor.g += color.g;
 				_finalColor.b += color.b;
diff --git a/engines/bladerunner/slice_renderer.h b/engines/bladerunner/slice_renderer.h
index c763b1e784..1a876de543 100644
--- a/engines/bladerunner/slice_renderer.h
+++ b/engines/bladerunner/slice_renderer.h
@@ -115,10 +115,10 @@ private:
 
 class SliceRendererLights {
 	Lights *_lights;
-	Color   _colors[20];
-	float   _hmm[20];
-	float   _hmm2[20];
-	int     _hmm3;
+	Color   _cacheColor[20];
+	float   _cacheCounter[20];
+	float   _cacheStart[20];
+	int     _cacheRecalculation;
 
 public:
 	Color   _finalColor;
diff --git a/engines/bladerunner/text_resource.cpp b/engines/bladerunner/text_resource.cpp
index bf82721872..03460d039f 100644
--- a/engines/bladerunner/text_resource.cpp
+++ b/engines/bladerunner/text_resource.cpp
@@ -78,7 +78,7 @@ bool TextResource::open(const char *name) {
 
 	s->read(_strings, remain);
 
-#if _DEBUG
+#if 0
 	debug("\n%s\n----------------", resName);
 	for (uint32 i = 0; i != (uint32)_count; ++i) {
 		debug("%3d: %s", i, getText(i));