From 62db8cd9b0030f042403e996b20c3ceca5cd4f7a Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Tue, 19 May 2020 10:23:08 +0200
Subject: finished CFileLoader; some COcclusion stubs

---
 src/render/Occlusion.cpp | 36 ++++++++++++++++++++++++++++++++++++
 src/render/Occlusion.h   | 19 +++++++++++++++++++
 2 files changed, 55 insertions(+)

(limited to 'src/render')

diff --git a/src/render/Occlusion.cpp b/src/render/Occlusion.cpp
index b33b1d01..1c4e4266 100644
--- a/src/render/Occlusion.cpp
+++ b/src/render/Occlusion.cpp
@@ -2,6 +2,42 @@
 
 #include "Occlusion.h"
 
+int32 COcclusion::NumOccludersOnMap;
+int16 COcclusion::FarAwayList;
+int16 COcclusion::NearbyList;
+int16 COcclusion::ListWalkThroughFA;
+int16 COcclusion::PreviousListWalkThroughFA;
+COccluder COcclusion::aOccluders[NUMOCCLUSIONVOLUMES];
+
+void
+COcclusion::Init(void)
+{
+	NumOccludersOnMap = 0;
+	FarAwayList = -1;
+	NearbyList = -1;
+	ListWalkThroughFA = -1;
+	PreviousListWalkThroughFA = -1;
+}
+
+void
+COcclusion::AddOne(float x, float y, float z, float width, float length, float height, float angle)
+{
+	if(NumOccludersOnMap >= NUMOCCLUSIONVOLUMES)
+		return;
+
+	aOccluders[NumOccludersOnMap].x = x;
+	aOccluders[NumOccludersOnMap].y = y;
+	aOccluders[NumOccludersOnMap].z = z;
+	aOccluders[NumOccludersOnMap].width = width;
+	aOccluders[NumOccludersOnMap].length = length;
+	aOccluders[NumOccludersOnMap].height = height;
+	while(angle < 0.0f) angle += 360.0f;
+	while(angle > 360.0f) angle -= 360.0f;
+	aOccluders[NumOccludersOnMap].angle = angle * UINT16_MAX/360.0f;
+	aOccluders[NumOccludersOnMap].listIndex = FarAwayList;
+	FarAwayList = NumOccludersOnMap++;
+}
+
 void
 COcclusion::ProcessBeforeRendering(void)
 {
diff --git a/src/render/Occlusion.h b/src/render/Occlusion.h
index 977649b8..ac0ede5e 100644
--- a/src/render/Occlusion.h
+++ b/src/render/Occlusion.h
@@ -1,7 +1,26 @@
 #pragma once
 
+class COccluder
+{
+public:
+	int16 width, length, height;
+	int16 x, y, z;
+	uint16 angle;
+	int16 listIndex;
+};
+
 class COcclusion
 {
 public:
+	static int32 NumOccludersOnMap;
+	static int16 FarAwayList;
+	static int16 NearbyList;
+	static int16 ListWalkThroughFA;
+	static int16 PreviousListWalkThroughFA;
+
+	static COccluder aOccluders[NUMOCCLUSIONVOLUMES];
+
+	static void Init(void);
+	static void AddOne(float x, float y, float z, float width, float length, float height, float angle);
 	static void ProcessBeforeRendering(void);
 };
-- 
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