2 files changed, 279 insertions, 0 deletions

diff --git a/src/collision/ColStore.cpp b/src/collision/ColStore.cpp
new file mode 100644
index 00000000..bca1e9b7
--- /dev/null
+++ b/src/collision/ColStore.cpp
@@ -0,0 +1,236 @@
+#include "common.h"
+
+#include "templates.h"
+#include "General.h"
+#include "ModelInfo.h"
+#include "Streaming.h"
+#include "FileLoader.h"
+#include "Script.h"
+#include "Timer.h"
+#include "Camera.h"
+#include "Frontend.h"
+#include "Physical.h"
+#include "ColStore.h"
+
+CPool<ColDef,ColDef> *CColStore::ms_pColPool;
+
+void
+CColStore::Initialise(void)
+{
+	if(ms_pColPool == nil)
+		ms_pColPool = new CPool<ColDef,ColDef>(COLSTORESIZE, "CollisionFiles");
+	AddColSlot("generic");	// slot 0. not streamed
+}
+
+void
+CColStore::Shutdown(void)
+{
+	int i;
+	for(i = 0; i < COLSTORESIZE; i++)
+		RemoveColSlot(i);
+	if(ms_pColPool)
+		delete ms_pColPool;
+	ms_pColPool = nil;
+}
+
+int
+CColStore::AddColSlot(const char *name)
+{
+	ColDef *def = ms_pColPool->New();
+	assert(def);
+	def->isLoaded = false;
+	def->unused = 0;
+	def->bounds.left = 1000000.0f;
+	def->bounds.top = 1000000.0f;
+	def->bounds.right = -1000000.0f;
+	def->bounds.bottom = -1000000.0f;
+	def->minIndex = INT16_MAX;
+	def->maxIndex = INT16_MIN;
+	strcpy(def->name, name);
+	return ms_pColPool->GetJustIndex(def);
+}
+
+void
+CColStore::RemoveColSlot(int slot)
+{
+	if(GetSlot(slot)){
+		if(GetSlot(slot)->isLoaded)
+			RemoveCol(slot);
+		ms_pColPool->Delete(GetSlot(slot));
+	}
+}
+
+int
+CColStore::FindColSlot(const char *name)
+{
+	ColDef *def;
+	int size = ms_pColPool->GetSize();
+	for(int i = 0; i < size; i++){
+		def = GetSlot(i);
+		if(def && !CGeneral::faststricmp(def->name, name))
+			return i;
+	}
+	return -1;
+}
+
+char*
+CColStore::GetColName(int32 slot)
+{
+	return GetSlot(slot)->name;
+}
+
+CRect&
+CColStore::GetBoundingBox(int32 slot)
+{
+	return GetSlot(slot)->bounds;
+}
+
+void
+CColStore::IncludeModelIndex(int32 slot, int32 modelIndex)
+{
+	ColDef *def = GetSlot(slot);
+	if(modelIndex < def->minIndex)
+		def->minIndex = modelIndex;
+	if(modelIndex > def->maxIndex)
+		def->maxIndex = modelIndex;
+}
+
+bool
+CColStore::LoadCol(int32 slot, uint8 *buffer, int32 bufsize)
+{
+	bool success;
+	ColDef *def = GetSlot(slot);
+	if(def->minIndex > def->maxIndex)
+		success = CFileLoader::LoadCollisionFileFirstTime(buffer, bufsize, slot);
+	else
+		success = CFileLoader::LoadCollisionFile(buffer, bufsize, slot);
+	if(success)
+		def->isLoaded = true;
+	else
+		debug("Failed to load Collision\n");
+	return success;
+}
+
+void
+CColStore::RemoveCol(int32 slot)
+{
+	int id;
+	GetSlot(slot)->isLoaded = false;
+	for(id = 0; id < MODELINFOSIZE; id++){
+		CBaseModelInfo *mi = CModelInfo::GetModelInfo(id);
+		if(mi){
+			CColModel *col = mi->GetColModel();
+			if(col && col->level == slot)
+				col->RemoveCollisionVolumes();
+		}
+	}
+}
+
+void
+CColStore::LoadAllCollision(void)
+{
+	int i;
+	for(i = 1; i < COLSTORESIZE; i++)
+		if(GetSlot(i))
+			CStreaming::RequestCol(i, 0);
+
+	CStreaming::LoadAllRequestedModels(false);
+}
+
+void
+CColStore::RemoveAllCollision(void)
+{
+	int i;
+	for(i = 1; i < COLSTORESIZE; i++)
+		if(GetSlot(i))
+			if(CStreaming::CanRemoveCol(i))
+				CStreaming::RemoveCol(i);
+}
+
+static bool bLoadAtSecondPosition;
+static CVector2D secondPosition;
+
+void
+CColStore::AddCollisionNeededAtPosn(const CVector2D &pos)
+{
+	bLoadAtSecondPosition = true;
+	secondPosition = pos;
+}
+
+void
+CColStore::LoadCollision(const CVector2D &pos)
+{
+	int i;
+
+	if(CStreaming::ms_disableStreaming)
+		return;
+
+	for(i = 1; i < COLSTORESIZE; i++){
+		if(GetSlot(i) == nil)
+			continue;
+
+		bool wantThisOne = false;
+
+		if(GetBoundingBox(i).IsPointInside(pos) ||
+		   bLoadAtSecondPosition && GetBoundingBox(i).IsPointInside(secondPosition, -119.0f) ||
+		   CGeneral::faststrcmp(GetColName(i), "yacht") == 0){
+			wantThisOne = true;
+		}else{
+			for (int j = 0; j < MAX_CLEANUP; j++) {
+				CPhysical* pEntity = CTheScripts::MissionCleanup.DoesThisEntityWaitForCollision(j);
+				if (pEntity && !pEntity->bDontLoadCollision && !pEntity->bIsFrozen) {
+					if (GetBoundingBox(i).IsPointInside(pEntity->GetPosition(), -80.0f))
+						wantThisOne = true;
+				}
+			}
+		}
+
+		if(wantThisOne)
+			CStreaming::RequestCol(i, STREAMFLAGS_PRIORITY);
+		else
+			CStreaming::RemoveCol(i);
+	}
+	bLoadAtSecondPosition = false;
+}
+
+void
+CColStore::RequestCollision(const CVector2D &pos)
+{
+	int i;
+
+	for(i = 1; i < COLSTORESIZE; i++)
+		if(GetSlot(i) && GetBoundingBox(i).IsPointInside(pos, -115.0f))
+			CStreaming::RequestCol(i, STREAMFLAGS_PRIORITY);
+}
+
+void
+CColStore::EnsureCollisionIsInMemory(const CVector2D &pos)
+{
+	int i;
+
+	if(CStreaming::ms_disableStreaming)
+		return;
+
+	for(i = 1; i < COLSTORESIZE; i++)
+		if(GetSlot(i) && GetBoundingBox(i).IsPointInside(pos, -110.0f) &&
+		   !CStreaming::HasColLoaded(i)){
+			CStreaming::RequestCol(i, 0);
+			if(TheCamera.GetScreenFadeStatus() == FADE_0)
+				FrontEndMenuManager.MessageScreen("LOADCOL", false);
+			CTimer::Suspend();
+			CStreaming::LoadAllRequestedModels(false);
+			CTimer::Resume();
+		}
+}
+
+bool
+CColStore::HasCollisionLoaded(const CVector2D &pos)
+{
+	int i;
+
+	for(i = 1; i < COLSTORESIZE; i++)
+		if(GetSlot(i) && GetBoundingBox(i).IsPointInside(pos, -115.0f) &&
+		   !GetSlot(i)->isLoaded)
+			return false;
+	return true;
+}
diff --git a/src/collision/ColStore.h b/src/collision/ColStore.h
new file mode 100644
index 00000000..8e2a3a70
--- /dev/null
+++ b/src/collision/ColStore.h
@@ -0,0 +1,43 @@
+#pragma once
+
+#include "templates.h"
+
+struct ColDef {	// made up name
+	int32 unused;
+	bool isLoaded;
+	CRect bounds;
+	char name[20];
+	int16 minIndex;
+	int16 maxIndex;
+};
+
+class CColStore
+{
+	static CPool<ColDef,ColDef> *ms_pColPool;
+
+public:
+	static void Initialise(void);
+	static void Shutdown(void);
+	static int AddColSlot(const char *name);
+	static void RemoveColSlot(int32 slot);
+	static int FindColSlot(const char *name);
+	static char *GetColName(int32 slot);
+	static CRect &GetBoundingBox(int32 slot);
+	static void IncludeModelIndex(int32 slot, int32 modelIndex);
+	static bool LoadCol(int32 storeID, uint8 *buffer, int32 bufsize);
+	static void RemoveCol(int32 slot);
+	static void AddCollisionNeededAtPosn(const CVector2D &pos);
+	static void LoadAllCollision(void);
+	static void RemoveAllCollision(void);
+	static void LoadCollision(const CVector2D &pos);
+	static void RequestCollision(const CVector2D &pos);
+	static void EnsureCollisionIsInMemory(const CVector2D &pos);
+	static bool HasCollisionLoaded(const CVector2D &pos);
+
+	static ColDef *GetSlot(int slot) {
+		assert(slot >= 0);
+		assert(ms_pColPool);
+		assert(slot < ms_pColPool->GetSize());
+		return ms_pColPool->GetSlot(slot);
+	}
+};