From f97d4355beb79370d3bc69ea6baabb33ed90a8cd Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Sun, 13 Nov 2011 15:45:38 +0200
Subject: New kind of tool speed and wear calculation thingy

---
 src/materials.cpp | 101 +++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 92 insertions(+), 9 deletions(-)

(limited to 'src/materials.cpp')

diff --git a/src/materials.cpp b/src/materials.cpp
index b3ee6e27a..21ee36bf8 100644
--- a/src/materials.cpp
+++ b/src/materials.cpp
@@ -2,20 +2,103 @@
 #include "mapnode.h"
 #include "mapnode_contentfeatures.h"
 
-// NOTE: DEPRECATED
 
-DiggingPropertiesList * getDiggingPropertiesList(u16 content)
+struct ToolProperties
 {
-	return &content_features(content).digging_properties;
+	// time = basetime + sum(feature here * feature in MaterialProperties)
+	float basetime;
+	float dt_weight;
+	float dt_crackiness;
+	float dt_crumbliness;
+	float dt_cuttability;
+	float basedurability;
+	float dd_weight;
+	float dd_crackiness;
+	float dd_crumbliness;
+	float dd_cuttability;
+
+	ToolProperties(float a=0.75, float b=0, float c=0, float d=0, float e=0,
+			float f=50, float g=0, float h=0, float i=0, float j=0):
+		basetime(a),
+		dt_weight(b),
+		dt_crackiness(c),
+		dt_crumbliness(d),
+		dt_cuttability(e),
+		basedurability(f),
+		dd_weight(g),
+		dd_crackiness(h),
+		dd_crumbliness(i),
+		dd_cuttability(j)
+	{}
+};
+
+ToolProperties getToolProperties(const std::string &toolname)
+{
+	// weight, crackiness, crumbleness, cuttability
+	if(toolname == "WPick")
+		return ToolProperties(2.0, 0,-1,2,0, 50, 0,0,0,0);
+	else if(toolname == "STPick")
+		return ToolProperties(1.5, 0,-1,2,0, 100, 0,0,0,0);
+	else if(toolname == "SteelPick")
+		return ToolProperties(1.0, 0,-1,2,0, 300, 0,0,0,0);
+
+	else if(toolname == "MesePick")
+		return ToolProperties(0, 0,0,0,0, 1337, 0,0,0,0);
+	
+	else if(toolname == "WShovel")
+		return ToolProperties(1.5, 0.5,2,-1.5,0.3, 50, 0,0,0,0);
+	else if(toolname == "STShovel")
+		return ToolProperties(1.0, 0.5,2,-1.5,0.1, 100, 0,0,0,0);
+	else if(toolname == "SteelShovel")
+		return ToolProperties(0.6, 0.5,2,-1.5,0.0, 300, 0,0,0,0);
+
+	// weight, crackiness, crumbleness, cuttability
+	else if(toolname == "WAxe")
+		return ToolProperties(2.0, 0.5,-0.2,1,-0.5, 50, 0,0,0,0);
+	else if(toolname == "STAxe")
+		return ToolProperties(1.5, 0.5,-0.2,1,-0.5, 100, 0,0,0,0);
+	else if(toolname == "SteelAxe")
+		return ToolProperties(1.0, 0.5,-0.2,1,-0.5, 300, 0,0,0,0);
+
+	else if(toolname == "WSword")
+		return ToolProperties(3.0, 3,0,1,-1, 50, 0,0,0,0);
+	else if(toolname == "STSword")
+		return ToolProperties(2.5, 3,0,1,-1, 100, 0,0,0,0);
+	else if(toolname == "SteelSword")
+		return ToolProperties(2.0, 3,0,1,-1, 300, 0,0,0,0);
+
+	// Properties of hand
+	return ToolProperties(0.5, 1,0.4,-0.75,0, 50, 0,0,0,0);
 }
 
-DiggingProperties getDiggingProperties(u16 content, const std::string &tool)
+DiggingProperties getDiggingProperties(u16 material, const std::string &tool)
 {
-	DiggingPropertiesList *mprop = getDiggingPropertiesList(content);
-	if(mprop == NULL)
-		// Not diggable
-		return DiggingProperties();
+	MaterialProperties &mp = content_features(material).material;
+	if(mp.diggability == DIGGABLE_NOT)
+		return DiggingProperties(false, 0, 0);
+	if(mp.diggability == DIGGABLE_CONSTANT)
+		return DiggingProperties(true, mp.constant_time, 0);
+
+	ToolProperties tp = getToolProperties(tool);
 	
-	return mprop->get(tool);
+	float time = tp.basetime;
+	time += tp.dt_weight * mp.weight;
+	time += tp.dt_crackiness * mp.crackiness;
+	time += tp.dt_crumbliness * mp.crumbliness;
+	time += tp.dt_cuttability * mp.cuttability;
+	if(time < 0.2)
+		time = 0.2;
+
+	float durability = tp.basedurability;
+	durability += tp.dd_weight * mp.weight;
+	durability += tp.dd_crackiness * mp.crackiness;
+	durability += tp.dd_crumbliness * mp.crumbliness;
+	durability += tp.dd_cuttability * mp.cuttability;
+	if(durability < 1)
+		durability = 1;
+
+	float wear = 1.0 / durability;
+	u16 wear_i = wear/65535.;
+	return DiggingProperties(true, time, wear_i);
 }
 
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