X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2FMenu.h;h=886e2fd07af5a7bacb4d0c04566bc9824719231f;hb=cc3d698b8c1ad09d7a3f9e3f28bc84e0ac1735ea;hp=083e741864b552b161173f5b117ed09c9d4f8f34;hpb=4470cf4b44128f3509bfab43483844d19f563a77;p=l2e.git

diff --git a/src/graphics/Menu.h b/src/graphics/Menu.h
index 083e741..886e2fd 100644
--- a/src/graphics/Menu.h
+++ b/src/graphics/Menu.h
@@ -1,61 +1,110 @@
-/*
- * Menu.h
- *
- *  Created on: Aug 8, 2012
- *      Author: holy
- */
-
 #ifndef GRAPHICS_MENU_H_
 #define GRAPHICS_MENU_H_
 
 #include "Font.h"
-#include "../geometry/operators.h"
-#include "../geometry/Point.h"
+#include "fwd.h"
+#include "Sprite.h"
 #include "../geometry/Vector.h"
 
+#include <algorithm>
 #include <vector>
 #include <SDL.h>
 
 namespace graphics {
 
-class Sprite;
+struct MenuProperties {
+	static const int TYPE_ID = 407;
+
+	const Font *font;
+	const Font *disabledFont;
+	const Sprite *cursor;
+	const Sprite *selectedCursor;
+	int charsPerEntry;
+	int rows;
+	int rowGap;
+	int iconSpace;
+	int cols;
+	int colGap;
+	int charsPerNumber;
+	int charsPerAdditionalText;
+	int additionalTextGap;
+	char delimiter;
+	bool wrapX;
+	bool wrapY;
+
+	MenuProperties()
+	: font(0), disabledFont(0), cursor(0), selectedCursor(0)
+	, charsPerEntry(0), rows(1), rowGap(0)
+	, iconSpace(0), cols(1), colGap(0)
+	, charsPerNumber(0), charsPerAdditionalText(0)
+	, additionalTextGap(0), delimiter(':')
+	, wrapX(false), wrapY(false) { }
+
+	static void CreateTypeDescription();
+	static void Construct(void *);
+
+};
 
-// TODO: alternate font for disabled entries
-// TODO: sprite for the cursor
-// TODO: animation when top row changes
 template<class T>
-class Menu {
+class Menu
+: private MenuProperties {
 
 public:
-	explicit Menu(const Font *font = NULL, int charsPerEntry = 16, int rows = 1, int rowGap = 0, int cols = 1, int colGap = 0);
+	Menu();
+	Menu(const MenuProperties &);
 
 public:
+	void SetInactive() { state = STATE_INACTIVE; }
+	void SetActive() { state = STATE_ACTIVE; }
+	void SetSelected() { state = STATE_SELECTED; }
+	void SetDualSelection() { state = STATE_DUAL; secondarySelection = selected; }
+	bool IsActive() const { return state == STATE_ACTIVE; }
+	bool HasSelected() const { return state == STATE_SELECTED; }
+	bool InDualMode() const { return state == STATE_DUAL; }
+
 	int Width() const;
 	int Height() const;
-	int ColWidth() const { return font->CharWidth() * charsPerEntry; }
+	int ColWidth() const;
 	int RowHeight() const { return font->CharHeight() + rowGap; }
+	int CharsPerEntry() const { return charsPerEntry; }
 
 	T &Selected() { return entries[selected].value; }
 	const T &Selected() const { return entries[selected].value; }
 	const char *SelectedTitle() const { return entries[selected].title; }
+	int SelectedNumber() const { return entries[selected].number; }
 	bool SelectedIsEnabled() const { return entries[selected].enabled; }
 
+	T &SecondarySelection() { return entries[secondarySelection].value; }
+	const T &SecondarySelection() const { return entries[secondarySelection].value; }
+	const char *SecondaryTitle() const { return entries[secondarySelection].title; }
+	int SecondaryNumber() const { return entries[secondarySelection].number; }
+	bool SecondaryIsEnabled() const { return entries[secondarySelection].enabled; }
+
+	void SwapSelected() { SwapEntriesAt(selected, secondarySelection); }
+	void SwapEntriesAt(int lhs, int rhs) { std::swap(entries[lhs], entries[rhs]); }
+
 	void NextItem();
 	void PreviousItem();
 	void NextRow();
 	void PreviousRow();
 	void SelectIndex(int index);
+	int SelectedIndex() const { return selected; }
+	int SecondaryIndex() const { return secondarySelection; }
+	bool IsSelected(int index) const { return index == selected; }
 
 	int EntryCount() const { return entries.size(); }
 	T &ValueAt(int index) { return entries[index].value; }
 	const T &ValueAt(int index) const { return entries[index].value; }
 
-	void Add(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0) { entries.push_back(Entry(title, value, enabled, icon)); }
+	void Add(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0, int number = 0, const char *additionalText = 0) { entries.push_back(Entry(title, value, enabled, icon, number, additionalText)); }
+	void AddEmptyEntry() { entries.push_back(Entry(0, T(), false)); }
 	void Disable(int index) { entries[index].enabled = false; }
 	void Enable(int index) { entries[index].enabled = true; }
 	void Reserve(int n) { entries.reserve(n); }
+	void Clear() { entries.clear(); }
+	void ClearEntry(int at) { entries[at] = Entry(0, T(), false); }
 
-	void Draw(SDL_Surface *dest, geometry::Point<int> position) const;
+	void Draw(SDL_Surface *dest, const geometry::Vector<int> &position) const;
 
 private:
 	int GetRow(int index) const { return index / cols; }
@@ -63,39 +112,63 @@ private:
 
 private:
 	struct Entry {
-		Entry(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0)
-		: title(title), icon(icon), value(value), enabled(enabled) { }
+		Entry(const char *title, const T &value, bool enabled = true, const Sprite *icon = 0, int number = 0, const char *additionalText = 0)
+		: title(title), additionalText(additionalText), icon(icon), number(number), value(value), enabled(enabled) { }
 		const char *title;
+		const char *additionalText;
 		const Sprite *icon;
+		int number;
 		T value;
 		bool enabled;
 	};
-	const Font *font;
 	std::vector<Entry> entries;
-	int charsPerEntry;
-	int rows;
-	int rowGap;
-	int cols;
-	int colGap;
 	int selected;
+	int secondarySelection;
 	int topRow;
+	enum State {
+		STATE_INACTIVE,
+		STATE_ACTIVE,
+		STATE_SELECTED,
+		STATE_DUAL,
+	};
+	State state;
 
 };
 
 
 template<class T>
-Menu<T>::Menu(const Font *font, int charsPerEntry, int rows, int rowGap, int cols, int colGap)
-: font(font)
-, charsPerEntry(charsPerEntry)
-, rows(rows)
-, rowGap(rowGap)
-, cols(cols)
-, colGap(colGap)
+Menu<T>::Menu()
+: MenuProperties()
 , selected(0)
-, topRow(0) {
+, secondarySelection(0)
+, topRow(0)
+, state(STATE_ACTIVE) {
 
 }
 
+template<class T>
+Menu<T>::Menu(const MenuProperties &p)
+: MenuProperties(p)
+, selected(0)
+, secondarySelection(0)
+, topRow(0)
+, state(STATE_ACTIVE) {
+
+}
+
+
+template<class T>
+int Menu<T>::ColWidth() const {
+	int width(iconSpace);
+	width += font->CharWidth() * (charsPerEntry + charsPerNumber);
+	if (charsPerNumber) {
+		width += font->CharWidth();
+	}
+	if (charsPerAdditionalText) {
+		width += additionalTextGap + charsPerAdditionalText * font->CharWidth();
+	}
+	return width;
+}
 
 template<class T>
 int Menu<T>::Width() const {
@@ -110,30 +183,46 @@ int Menu<T>::Height() const {
 
 template<class T>
 void Menu<T>::NextItem() {
-	SelectIndex(selected + 1);
+	int index(selected + 1);
+	if (wrapX && index % cols == 0) {
+		index -= cols;
+	}
+	SelectIndex(index);
 }
 
 template<class T>
 void Menu<T>::PreviousItem() {
-	SelectIndex(selected - 1);
+	int index(selected - 1);
+	if (wrapX && selected % cols == 0) {
+		index += cols;
+	}
+	SelectIndex(index);
 }
 
 template<class T>
 void Menu<T>::NextRow() {
-	SelectIndex(selected + cols);
+	int index(selected + cols);
+	if (wrapY && index >= int(entries.size())) {
+		index -= entries.size();
+	}
+	SelectIndex(index);
 }
 
 template<class T>
 void Menu<T>::PreviousRow() {
-	SelectIndex(selected - cols);
+	int index(selected - cols);
+	if (wrapY && index < 0) {
+		index += entries.size();
+	}
+	SelectIndex(index);
 }
 
 template<class T>
 void Menu<T>::SelectIndex(int index) {
-	if (index < 0 || entries.size() < index) return;
+	if (index < 0 || int(entries.size()) <= index) return;
 	selected = index;
-	if (GetRow(selected) - rows > topRow) {
-		topRow = GetRow(selected) - rows;
+	if (topRow <= GetRow(selected) - rows) {
+		topRow = GetRow(selected) - rows + 1;
 	} else if (GetRow(selected) < topRow) {
 		topRow = GetRow(selected);
 	}
@@ -141,14 +230,73 @@ void Menu<T>::SelectIndex(int index) {
 
 
 template<class T>
-void Menu<T>::Draw(SDL_Surface *dest, geometry::Point<int> position) const {
+void Menu<T>::Draw(SDL_Surface *dest, const geometry::Vector<int> &position) const {
 	int start(topRow * cols);
-	int slots((topRow + rows) * cols);
+	int slots(rows * cols);
 	int items(entries.size() - start);
-	int end(items < slots ? items : slots);
+	int end(start + (items < slots ? items : slots));
 	for (int i(0), count(end - start); i < count; ++i) {
-		geometry::Vector<int> offset((i % cols) * (ColWidth() + colGap), (i / cols) * RowHeight());
-		font->DrawString(entries[start + i].title, dest, position + offset, charsPerEntry);
+		if (!entries[start + i].title) continue;
+		geometry::Vector<int> iconOffset(
+				(i % cols) * (ColWidth() + colGap),
+				(i / cols) * RowHeight());
+
+		// Third column hack!
+		// This fixes the position of the "DROP" item in the inventory menu.
+		if (i % cols == 2) {
+			iconOffset += geometry::Vector<int>(font->CharWidth(), 0);
+		}
+
+		if (entries[start + i].icon) {
+			entries[start + i].icon->Draw(dest, position + iconOffset);
+		}
+		geometry::Vector<int> textOffset(iconOffset.X() + iconSpace, iconOffset.Y());
+		const Font *usedFont(entries[start + i].enabled ? font : disabledFont);
+		usedFont->DrawString(entries[start + i].title, dest, position + textOffset, charsPerEntry);
+
+		textOffset += geometry::Vector<int>(charsPerEntry * usedFont->CharWidth(), 0);
+
+		if (charsPerAdditionalText) {
+			textOffset += geometry::Vector<int>(additionalTextGap, 0);
+			if (entries[start + i].additionalText) {
+				usedFont->DrawString(entries[start + i].additionalText, dest, position + textOffset, charsPerAdditionalText);
+			}
+			textOffset += geometry::Vector<int>(charsPerAdditionalText * usedFont->CharWidth(), 0);
+		}
+
+		if (charsPerNumber) {
+			usedFont->DrawChar(delimiter, dest, position + textOffset);
+			textOffset += geometry::Vector<int>(usedFont->CharWidth(), 0);
+			usedFont->DrawNumber(entries[start + i].number, dest, position + textOffset, charsPerNumber);
+		}
+	}
+	geometry::Vector<int> cursorOffset(
+			(selected % cols) * (ColWidth() + colGap) - cursor->Width(),
+			((selected - start) / cols) * RowHeight());
+	// Third column hack!
+	// This fixes the position of the "DROP" item in the inventory menu.
+	if (selected % cols == 2) {
+		cursorOffset += geometry::Vector<int>(font->CharWidth(), 0);
+	}
+	switch (state) {
+		case STATE_INACTIVE:
+			break;
+		case STATE_ACTIVE:
+			cursor->Draw(dest, position + cursorOffset);
+			break;
+		case STATE_SELECTED:
+			selectedCursor->Draw(dest, position + cursorOffset);
+			break;
+		case STATE_DUAL:
+			cursor->Draw(dest, position + cursorOffset
+					- geometry::Vector<int>(selectedCursor->Width(), 0));
+			if (secondarySelection >= start && secondarySelection <= end) {
+				geometry::Vector<int> secondaryOffset(
+						(secondarySelection % cols) * (ColWidth() + colGap) - cursor->Width(),
+						((secondarySelection - start) / cols) * RowHeight());
+				selectedCursor->Draw(dest, position + secondaryOffset);
+			}
+			break;
 	}
 }