4 files changed, 64 insertions, 7 deletions

diff --git a/src/core/FileLoader.cpp b/src/core/FileLoader.cpp
index 2818007b..f2d925fc 100644
--- a/src/core/FileLoader.cpp
+++ b/src/core/FileLoader.cpp
@@ -291,7 +291,7 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 {
 	int i;
 
-	model.boundingSphere.radius = *(float*)(buf);
+	model.boundingSphere.radius = Max(*(float*)(buf), 0.1f);
 	model.boundingSphere.center.x = *(float*)(buf+4);
 	model.boundingSphere.center.y = *(float*)(buf+8);
 	model.boundingSphere.center.z = *(float*)(buf+12);
@@ -304,10 +304,13 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numSpheres = *(int16*)(buf+40);
 	buf += 44;
 	if(model.numSpheres > 0){
-		model.spheres = (CColSphere*)RwMalloc(model.numSpheres*sizeof(CColSphere));
+		model.spheres = new CColSphere[model.numSpheres];
 		REGISTER_MEMPTR(&model.spheres);
 		for(i = 0; i < model.numSpheres; i++){
-			model.spheres[i].Set(*(float*)buf, *(CVector*)(buf+4), buf[16], buf[17]);
+			float radius = *(float*)buf;
+			if(radius > model.boundingSphere.radius)
+				model.boundingSphere.radius = radius + 0.01f;
+			model.spheres[i].Set(radius, *(CVector*)(buf+4), buf[16], buf[17]);
 			buf += 20;
 		}
 	}else
@@ -316,7 +319,8 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numLines = *(int16*)buf;
 	buf += 4;
 	if(model.numLines > 0){
-		//model.lines = (CColLine*)RwMalloc(model.numLines*sizeof(CColLine));
+		//model.lines = new CColLine[model.numLines];;
+		REGISTER_MEMPTR(&model.lines);
 		for(i = 0; i < model.numLines; i++){
 			//model.lines[i].Set(*(CVector*)buf, *(CVector*)(buf+12));
 			buf += 24;
@@ -329,7 +333,7 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numBoxes = *(int16*)buf;
 	buf += 4;
 	if(model.numBoxes > 0){
-		model.boxes = (CColBox*)RwMalloc(model.numBoxes*sizeof(CColBox));
+		model.boxes = new CColBox[model.numBoxes];
 		REGISTER_MEMPTR(&model.boxes);
 		for(i = 0; i < model.numBoxes; i++){
 			model.boxes[i].Set(*(CVector*)buf, *(CVector*)(buf+12), buf[24], buf[25]);
@@ -341,7 +345,7 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	int32 numVertices = *(int16*)buf;
 	buf += 4;
 	if(numVertices > 0){
-		model.vertices = (CompressedVector*)RwMalloc(numVertices*sizeof(CompressedVector));
+		model.vertices = new CompressedVector[numVertices];
 		REGISTER_MEMPTR(&model.vertices);
 		for(i = 0; i < numVertices; i++){
 			model.vertices[i].Set(*(float*)buf, *(float*)(buf+4), *(float*)(buf+8));
@@ -359,14 +363,64 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numTriangles = *(int16*)buf;
 	buf += 4;
 	if(model.numTriangles > 0){
-		model.triangles = (CColTriangle*)RwMalloc(model.numTriangles*sizeof(CColTriangle));
+		model.triangles = new CColTriangle[model.numTriangles];
 		REGISTER_MEMPTR(&model.triangles);
 		for(i = 0; i < model.numTriangles; i++){
 			model.triangles[i].Set(*(int32*)buf, *(int32*)(buf+4), *(int32*)(buf+8), buf[12]);
 			buf += 16;
+
+			// skip small triangles
+			CVector vA = model.vertices[model.triangles[i].a].Get();
+			CVector vB = model.vertices[model.triangles[i].b].Get();
+			CVector vC = model.vertices[model.triangles[i].c].Get();
+			float area = CrossProduct(vA - vB, vA - vC).Magnitude();
+			if(area < 0.001f || vA == vB || vA == vB || vB == vC){
+				i--;
+				model.numTriangles--;
+			}
 		}
 	}else
 		model.triangles = nil;
+
+	SplitColTrianglesIntoSections(model);
+}
+
+void
+CFileLoader::SplitColTrianglesIntoSections(CColModel &model)
+{
+	if(model.triangles == nil || model.numTriangles == 0)
+		return;
+
+	model.numTriBBoxes = 1;
+	model.triBBoxes = new CColTriBBox[1];
+	model.triBBoxes[0].first = 0;
+	model.triBBoxes[0].last = model.numTriangles-1;
+	CVector v = model.vertices[model.triangles[0].a].Get();
+	model.triBBoxes[0].Set(v, v);
+
+	for(int i = 0; i < model.numTriangles; i++){
+		CVector vA = model.vertices[model.triangles[i].a].Get();
+		CVector vB = model.vertices[model.triangles[i].b].Get();
+		CVector vC = model.vertices[model.triangles[i].c].Get();
+		model.triBBoxes[0].min.x = Min(vA.x, model.triBBoxes[0].min.x);
+		model.triBBoxes[0].min.y = Min(vA.y, model.triBBoxes[0].min.y);
+		model.triBBoxes[0].min.z = Min(vA.z, model.triBBoxes[0].min.z);
+		model.triBBoxes[0].min.x = Min(vB.x, model.triBBoxes[0].min.x);
+		model.triBBoxes[0].min.y = Min(vB.y, model.triBBoxes[0].min.y);
+		model.triBBoxes[0].min.z = Min(vB.z, model.triBBoxes[0].min.z);
+		model.triBBoxes[0].min.x = Min(vC.x, model.triBBoxes[0].min.x);
+		model.triBBoxes[0].min.y = Min(vC.y, model.triBBoxes[0].min.y);
+		model.triBBoxes[0].min.z = Min(vC.z, model.triBBoxes[0].min.z);
+		model.triBBoxes[0].max.x = Max(vA.x, model.triBBoxes[0].max.x);
+		model.triBBoxes[0].max.y = Max(vA.y, model.triBBoxes[0].max.y);
+		model.triBBoxes[0].max.z = Max(vA.z, model.triBBoxes[0].max.z);
+		model.triBBoxes[0].max.x = Max(vB.x, model.triBBoxes[0].max.x);
+		model.triBBoxes[0].max.y = Max(vB.y, model.triBBoxes[0].max.y);
+		model.triBBoxes[0].max.z = Max(vB.z, model.triBBoxes[0].max.z);
+		model.triBBoxes[0].max.x = Max(vC.x, model.triBBoxes[0].max.x);
+		model.triBBoxes[0].max.y = Max(vC.y, model.triBBoxes[0].max.y);
+		model.triBBoxes[0].max.z = Max(vC.z, model.triBBoxes[0].max.z);
+	}
 }
 
 static void
diff --git a/src/core/FileLoader.h b/src/core/FileLoader.h
index 077e7bdd..3a7d43a7 100644
--- a/src/core/FileLoader.h
+++ b/src/core/FileLoader.h
@@ -11,6 +11,7 @@ public:
 	static bool LoadCollisionFileFirstTime(uint8 *buffer, uint32 size, uint8 colSlot);
 	static bool LoadCollisionFile(uint8 *buffer, uint32 size, uint8 colSlot);
 	static void LoadCollisionModel(uint8 *buf, struct CColModel &model, char *name);
+	static void SplitColTrianglesIntoSections(CColModel &model);
 	static void LoadModelFile(const char *filename);
 	static RpAtomic *FindRelatedModelInfoCB(RpAtomic *atomic, void *data);
 	static void LoadClumpFile(const char *filename);
diff --git a/src/core/main.cpp b/src/core/main.cpp
index c3286ea9..936b0c31 100644
--- a/src/core/main.cpp
+++ b/src/core/main.cpp
@@ -88,6 +88,7 @@ bool gUseChunkFiles = false;
 bool gSecondExportPass;
 bool gUseModelResources;
 bool gUseResources;
+bool gNASTY_NASTY_MEM_SHUTDOWN_HACK;	// rather unused
 
 float FramesPerSecond = 30.0f;
 
diff --git a/src/core/main.h b/src/core/main.h
index 98813470..8e4123ff 100644
--- a/src/core/main.h
+++ b/src/core/main.h
@@ -30,6 +30,7 @@ extern bool gUseChunkFiles;
 extern bool gSecondExportPass;
 extern bool gUseModelResources;
 extern bool gUseResources;
+extern bool gNASTY_NASTY_MEM_SHUTDOWN_HACK;
 
 class CSprite2d;