XEEN: Implemented calcItemCost

4 files changed, 174 insertions, 10 deletions

diff --git a/engines/xeen/dialogs_items.cpp b/engines/xeen/dialogs_items.cpp
index fea043213f..67778777eb 100644
--- a/engines/xeen/dialogs_items.cpp
+++ b/engines/xeen/dialogs_items.cpp
@@ -94,8 +94,9 @@ Character *ItemsDialog::execute(Character *c, ItemsMode mode) {
 			drawButtons(&screen);
 		}
 
+		Common::StringArray lines;
 		int arr[40];
-		Common::fill(&arr[0], &arr[40], false);
+		Common::fill(&arr[0], &arr[40], 0);
 		int var2 = -1;
 	
 		if (mode == ITEMMODE_CHAR_INFO || typeNum != 3) {
@@ -132,8 +133,20 @@ Character *ItemsDialog::execute(Character *c, ItemsMode mode) {
 				if (c->_weapons[idx]._id) {
 					if (mode == ITEMMODE_CHAR_INFO || mode == ITEMMODE_8
 							|| mode == ITEMMODE_6 || mode == ITEMMODE_4) {
-						// TODO
+						lines.push_back(Common::String::format(ITEMS_DIALOG_LINE1, 
+							arr[idx], idx + 1,
+							c->assembleItemName(idx, arr[idx], typeNum)));
+					} else {
+						lines.push_back(Common::String::format(ITEMS_DIALOG_LINE2,
+							arr[idx], idx + 1,
+							c->assembleItemName(idx, arr[idx], typeNum),
+							calcItemCost(c, idx, mode,
+								mode == ITEMMODE_TO_GOLD ? 1 : c->_skills[MERCHANT],
+								typeNum)
+						));
 					}
+
+					// TODO
 				} else if (_itemsDrawList[idx]._sprites == nullptr) {
 					// TODO
 				}
@@ -289,4 +302,112 @@ void ItemsDialog::setEquipmentIcons() {
 	}
 }
 
+/**
+ * Calculate the cost of an item
+ */
+int ItemsDialog::calcItemCost(Character *c, int itemIndex, int mode,
+		int skillLevel, int typeNum) {
+	int amount1 = 0, amount2 = 0, amount3 = 0, amount4 = 0;
+	int result = 0;
+	int level = skillLevel & 0x7f;
+
+	switch (mode) {
+	case ITEMMODE_BLACKSMITH:
+		level = 0;
+		break;
+	case ITEMMODE_2:
+	case ITEMMODE_TO_GOLD:
+		level = level == 0 ? 1 : 0;
+		break;
+	case ITEMMODE_10:
+		level = 2;
+		break;
+	case ITEMMODE_9:
+		level = 3;
+		break;
+	default:
+		break;
+	}
+	
+	switch (typeNum) {
+	case 0:
+	case 1:
+	case 2: {
+		// 0=Weapons, 1=Armor, 2=Accessories
+		XeenItem &i = (mode == 0) ? c->_weapons[itemIndex] :
+			(mode == 1 ? c->_armor[itemIndex] : c->_accessories[itemIndex]);
+		amount1 = (mode == 0) ? WEAPON_BASE_COSTS[i._id] :
+			(mode == 1 ? ARMOR_BASE_COSTS[i._id] : ACCESSORY_BASE_COSTS[i._id]);
+		
+		if (i._material > 36 && i._material < 59) {
+			switch (i._material) {
+			case 37:
+				amount1 /= 10;
+				break;
+			case 38:
+				amount1 /= 4;
+				break;
+			case 39:
+				amount1 /= 2;
+				break;
+			case 40:
+				amount1 /= 4;
+				break;
+			default:
+				amount1 *= METAL_BASE_MULTIPLIERS[i._material - 37];
+				break;
+			}
+		}
+
+		if (i._material < 37)
+			amount2 = ELEMENTAL_DAMAGE[i._material] * 100;
+		else if (i._material > 58)
+			amount3 = METAL_BASE_MULTIPLIERS[i._material] * 100;
+		
+		switch (mode) {
+		case ITEMMODE_BLACKSMITH:
+		case ITEMMODE_2:
+		case ITEMMODE_9:
+		case ITEMMODE_10:
+		case ITEMMODE_TO_GOLD:
+			result = (amount1 + amount2 + amount3 + amount4) / ITEM_SKILL_DIVISORS[level];
+			if (!result)
+				result = 1;
+			break;
+		default:
+			break;
+		}
+		break;
+	}
+
+	case 3: {
+		// Misc
+		XeenItem &i = c->_misc[itemIndex];
+		amount1 = MISC_MATERIAL_COSTS[i._material];
+		amount4 = MISC_BASE_COSTS[i._id];
+		
+		switch (mode) {
+		case ITEMMODE_BLACKSMITH:
+		case ITEMMODE_2:
+		case ITEMMODE_9:
+		case ITEMMODE_10:
+		case ITEMMODE_TO_GOLD:
+			result = (amount1 + amount2 + amount3 + amount4) / ITEM_SKILL_DIVISORS[level];
+			if (!result)
+				result = 1;
+			break;
+		default:
+			break;
+		}
+		break;
+	}
+
+	default:
+		break;
+	}
+
+	return (mode == ITEMMODE_CHAR_INFO) ? 0 : result;
+}
+
+
 } // End of namespace Xeen
diff --git a/engines/xeen/dialogs_items.h b/engines/xeen/dialogs_items.h
index 100ac5c8b7..1259b2524f 100644
--- a/engines/xeen/dialogs_items.h
+++ b/engines/xeen/dialogs_items.h
@@ -30,8 +30,8 @@
 namespace Xeen {
 
 enum ItemsMode {
-	ITEMMODE_CHAR_INFO = 0, ITEMMODE_BLACKSMITH = 1, ITEMMODE_4 = 4, 
-	ITEMMODE_6 = 6, ITEMMODE_COMBAT = 7, ITEMMODE_8 = 8, 
+	ITEMMODE_CHAR_INFO = 0, ITEMMODE_BLACKSMITH = 1, ITEMMODE_2 = 2,
+	ITEMMODE_4 = 4, ITEMMODE_6 = 6, ITEMMODE_COMBAT = 7, ITEMMODE_8 = 8, 
 	ITEMMODE_9 = 9, ITEMMODE_10 = 10, ITEMMODE_TO_GOLD = 11
 };
 
@@ -54,6 +54,8 @@ private:
 	void blackData2CharData();
 
 	void setEquipmentIcons();
+
+	int calcItemCost(Character *c, int itemIndex, int mode, int skillLevel, int typeNum);
 public:
 	static Character *show(XeenEngine *vm, Character *c, ItemsMode mode);
 };
diff --git a/engines/xeen/resources.cpp b/engines/xeen/resources.cpp
index 89f6c8a5e5..b856baab47 100644
--- a/engines/xeen/resources.cpp
+++ b/engines/xeen/resources.cpp
@@ -986,14 +986,15 @@ const char *const QUICK_REFERENCE =
 
 const uint BLACKSMITH_MAP_IDS[2][4] = { { 28, 30, 73, 49 }, { 29, 31, 37, 43 } };
 
-char *const ITEMS_DIALOG_TEXT1 =
+const char *const ITEMS_DIALOG_TEXT1 =
 	"\r\x2\x3""c\v021\t017\f37W\fdeap\t051\f37A\fdrmor\t085A"
 	"\f37c\fdces\t119\f37M\fdisc\t153%s\t187%s\t221%s"
 	"\t255%s\t289Exit";
-
-char *const ITEMS_DIALOG_TEXT2 =
+const char *const ITEMS_DIALOG_TEXT2 =
 	"\r\x2\x3""c\v021\t017\f37W\fdeap\t051\f37A\fdrmor\t085A"
 	"\f37c\fdces\t119\f37M\fdisc\t153\f37%s\t289Exit";
+const char *const ITEMS_DIALOG_LINE1 = "\x3r\f%02u\f023%2d)\x3l\t028%s\n";
+const char *const ITEMS_DIALOG_LINE2 = "\x3r\f%02u\t023%2d)\x3l\t028%s\x3r\t000%lu\n";
 
 const char *const BTN_BUY = "\f37B\fduy";
 const char *const BTN_SELL = "\f37S\fdell";
@@ -1037,8 +1038,38 @@ const char *const ACCESSORY_NAMES[11] = {
 const char *const MISC_NAMES[22] = {
 	nullptr, "rod ", "jewel ", "gem ", "box ", "orb ", "horn ", "coin ",
 	"wand ", "whistle ", "potion ", "scroll ", "RogueVM", 
-	"bogus", "bogus", "bogus", "bogus", "bogus", 
+	"bogusg", "bogus", "bogus", "bogus", "bogus", 
 	"bogus", "bogus", "bogus", "bogus"
 };
 
+const int WEAPON_BASE_COSTS[35] = {
+	0, 50, 15, 100, 80, 40, 60, 1, 10, 150, 30, 60, 8, 50,
+	100, 15, 30, 15, 200, 80, 250, 150, 400, 100, 40, 120,
+	300, 100, 200, 300, 25, 100, 50, 15, 0
+};
+const int ARMOR_BASE_COSTS[25] = {
+	0, 20, 100, 200, 400, 600, 1000, 2000, 100, 60, 40, 250, 200, 100
+};
+const int ACCESSORY_BASE_COSTS[11] = {
+	0, 100, 100, 250, 100, 50, 300, 200, 500, 1000, 2000
+};
+const int MISC_MATERIAL_COSTS[22] = {
+	0, 50, 1000, 500, 10, 100, 20, 10, 50, 10, 10, 100,
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+};
+const int MISC_BASE_COSTS[76] = {
+	0, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 200, 200, 200, 200, 200, 200, 200, 200,
+	200, 200, 200, 200, 200, 200, 200, 300, 300, 300, 300, 300,
+	300, 300, 300, 300, 300, 400, 400, 400, 400, 400, 400, 400,
+	400, 400, 400, 500, 500, 500, 500, 500, 500, 500, 500, 500,
+	500, 600, 600, 600, 600, 600, 600, 600, 600, 600, 600, 600,
+	600, 600, 600, 600
+};
+const int METAL_BASE_MULTIPLIERS[22] = {
+	10, 25, 5, 75, 2, 5, 10, 20, 50, 2, 3, 5, 10, 20, 30, 40,
+	50, 60, 70, 80, 90, 100
+};
+const int ITEM_SKILL_DIVISORS[4] = { 1, 2, 100, 10 };
+
 } // End of namespace Xeen
diff --git a/engines/xeen/resources.h b/engines/xeen/resources.h
index 4b08615520..4dae93e355 100644
--- a/engines/xeen/resources.h
+++ b/engines/xeen/resources.h
@@ -329,8 +329,10 @@ extern const char *const QUICK_REFERENCE;
 
 extern const uint BLACKSMITH_MAP_IDS[2][4];
 
-extern char *const ITEMS_DIALOG_TEXT1;
-extern char *const ITEMS_DIALOG_TEXT2;
+extern const char *const ITEMS_DIALOG_TEXT1;
+extern const char *const ITEMS_DIALOG_TEXT2;
+extern const char *const ITEMS_DIALOG_LINE1;
+extern const char *const ITEMS_DIALOG_LINE2;
 
 extern const char *const BTN_BUY;
 extern const char *const BTN_SELL;
@@ -354,6 +356,14 @@ extern const char *const ARMOR_NAMES[14];
 extern const char *const ACCESSORY_NAMES[11];
 extern const char *const MISC_NAMES[22];
 
+extern const int WEAPON_BASE_COSTS[35];
+extern const int ARMOR_BASE_COSTS[25];
+extern const int ACCESSORY_BASE_COSTS[11];
+extern const int MISC_MATERIAL_COSTS[22];
+extern const int MISC_BASE_COSTS[76];
+extern const int METAL_BASE_MULTIPLIERS[22];
+extern const int ITEM_SKILL_DIVISORS[4];
+
 } // End of namespace Xeen
 
 #endif	/* XEEN_RESOURCES_H */