Add grass item support

src/client/gui/components/GuiElementContainer.cpp

@@ -35,6 +35,17 @@ void GuiElementContainer::removeChild( GuiElement* element ) {
 		children.erase(it);
 }
 
+bool GuiElementContainer::containsPointInChildren(int x, int y) const {
+	for (std::vector<GuiElement*>::const_iterator it = children.begin(); it != children.end(); ++it) {
+		GuiElement* child = *it;
+		if (child == NULL || !child->visible) continue;
+		if (child->pointInside(x, y)) return true;
+		const GuiElementContainer* container = dynamic_cast<const GuiElementContainer*>(child);
+		if (container != NULL && container->containsPointInChildren(x, y)) return true;
+	}
+	return false;
+}
+
 void GuiElementContainer::tick( Minecraft* minecraft ) {
 	for(std::vector<GuiElement*>::iterator it = children.begin(); it != children.end(); ++it) {
 		(*it)->tick(minecraft);

src/client/gui/components/GuiElementContainer.h

@@ -13,6 +13,7 @@ public:
 	virtual void setupPositions();
 	virtual void addChild(GuiElement* element);
 	virtual void removeChild(GuiElement* element);
+	bool containsPointInChildren(int x, int y) const;
 
 	virtual void tick( Minecraft* minecraft );
 

src/client/gui/components/OptionsGroup.cpp

@@ -6,14 +6,36 @@
 #include "../../../locale/I18n.h"
 #include "TextOption.h"
 #include "KeyOption.h"
+#include <algorithm>
+#include "../Gui.h"
+#include "../Screen.h"
+#include "../../../platform/input/Mouse.h"
+#include "../../../util/Mth.h"
 
-OptionsGroup::OptionsGroup( std::string labelID )  {
+OptionsGroup::OptionsGroup( std::string labelID )
+: contentHeight(0),
+	scrollOffsetY(0.0f),
+	maxScrollOffsetY(0.0f),
+	trackingScrollGesture(false),
+	scrollingGesture(false),
+	touchDispatched(false),
+	dragStartX(0),
+	dragStartY(0),
+	lastDragY(0),
+	touchStartX(0),
+	touchStartY(0) {
 	label = I18n::get(labelID);
 }
 
 void OptionsGroup::setupPositions() {
+	const int labelHeight = 18;
+	const int bottomPadding = 36;
+	const float requestedScroll = scrollOffsetY;
+	const int scrollOffset = (int)requestedScroll;
+	int curY = y + labelHeight - scrollOffset;
+	const int contentStartY = y + labelHeight;
+
 	// First we write the header and then we add the items
-	int curY = y + 18;
 	for(std::vector<GuiElement*>::iterator it = children.begin(); it != children.end(); ++it) {
 		(*it)->width = width - 5;
 		
@@ -22,16 +44,109 @@ void OptionsGroup::setupPositions() {
 		(*it)->setupPositions();
 		curY += (*it)->height + 3;
 	}
-	height = curY;
+	curY += bottomPadding;
+	contentHeight = std::max(0, curY - contentStartY + scrollOffset);
+	maxScrollOffsetY = std::max(0, contentHeight - (height - labelHeight));
+	const float clampedScroll = Mth::clamp(requestedScroll, 0.0f, maxScrollOffsetY);
+	if (clampedScroll != requestedScroll) {
+		scrollOffsetY = clampedScroll;
+		setupPositions();
+	}
 }
 
 void OptionsGroup::render( Minecraft* minecraft, int xm, int ym ) {
 	float padX = 10.0f;
 	float padY = 5.0f;
+	const int labelHeight = 18;
 	
 	minecraft->font->draw(label, (float)x + padX, (float)y + padY, 0xffffffff, false);
 
+	glEnable2(GL_SCISSOR_TEST);
+	glScissor(
+		Gui::GuiScale * x,
+		minecraft->height - Gui::GuiScale * (y + height),
+		Gui::GuiScale * width,
+		Gui::GuiScale * (height - labelHeight)
+	);
+
 	super::render(minecraft, xm, ym);
+	glDisable2(GL_SCISSOR_TEST);
+}
+
+void OptionsGroup::tick(Minecraft* minecraft) {
+	int xm = Mouse::getX();
+	int ym = Mouse::getY();
+	if (minecraft->screen != NULL) {
+		minecraft->screen->toGUICoordinate(xm, ym);
+	}
+
+	bool leftDown = Mouse::isButtonDown(MouseAction::ACTION_LEFT);
+
+	if (trackingScrollGesture && leftDown) {
+		int dy = ym - lastDragY;
+		int dx = xm - dragStartX;
+		if (!scrollingGesture) {
+			int totalDx = xm - dragStartX;
+			int totalDy = ym - dragStartY;
+			if (std::abs(totalDx) >= ScrollStartThreshold || std::abs(totalDy) >= ScrollStartThreshold) {
+				if (std::abs(totalDy) >= std::abs(totalDx)) {
+					scrollingGesture = true;
+				} else if (!touchDispatched) {
+					super::mouseClicked(minecraft, touchStartX, touchStartY, MouseAction::ACTION_LEFT);
+					touchDispatched = true;
+				}
+			}
+		}
+		if (scrollingGesture && dy != 0) {
+			scrollByPixels((float)dy);
+		}
+		lastDragY = ym;
+	}
+	super::tick(minecraft);
+}
+
+void OptionsGroup::mouseClicked(Minecraft* minecraft, int x, int y, int buttonNum) {
+	trackingScrollGesture = false;
+	scrollingGesture = false;
+	touchDispatched = false;
+
+	if (buttonNum == MouseAction::ACTION_LEFT && pointInside(x, y)) {
+		trackingScrollGesture = true;
+		dragStartX = x;
+		dragStartY = y;
+		lastDragY = y;
+		touchStartX = x;
+		touchStartY = y;
+		return;
+	}
+
+	super::mouseClicked(minecraft, x, y, buttonNum);
+}
+
+void OptionsGroup::mouseReleased(Minecraft* minecraft, int x, int y, int buttonNum) {
+	bool wasScrolling = scrollingGesture;
+	bool wasTracking = trackingScrollGesture;
+	trackingScrollGesture = false;
+	scrollingGesture = false;
+	if (buttonNum == MouseAction::ACTION_LEFT && wasTracking && !touchDispatched && pointInside(touchStartX, touchStartY)) {
+		super::mouseClicked(minecraft, touchStartX, touchStartY, buttonNum);
+		touchDispatched = true;
+	}
+
+	if (!wasScrolling) {
+		super::mouseReleased(minecraft, x, y, buttonNum);
+	}
+}
+
+void OptionsGroup::scrollByPixels(float deltaY) {
+	if (deltaY == 0.0f || maxScrollOffsetY <= 0.0f) return;
+
+	scrollOffsetY = Mth::clamp(scrollOffsetY - deltaY, 0.0f, maxScrollOffsetY);
+	setupPositions();
+}
+
+bool OptionsGroup::isScrollingGestureActive() const {
+	return trackingScrollGesture || scrollingGesture;
 }
 
 OptionsGroup& OptionsGroup::addOptionItem(OptionId optId, Minecraft* minecraft ) {

src/client/gui/components/OptionsGroup.h

@@ -17,7 +17,12 @@ public:
 	OptionsGroup(std::string labelID);
 	virtual void setupPositions();
 	virtual void render(Minecraft* minecraft, int xm, int ym);
+	virtual void tick(Minecraft* minecraft);
+	virtual void mouseClicked(Minecraft* minecraft, int x, int y, int buttonNum);
+	virtual void mouseReleased(Minecraft* minecraft, int x, int y, int buttonNum);
 	OptionsGroup& addOptionItem(OptionId optId, Minecraft* minecraft);
+	void scrollByPixels(float deltaY);
+	bool isScrollingGestureActive() const;
 protected:
 
 	void createToggle(OptionId optId, Minecraft* minecraft);
@@ -27,6 +32,18 @@ protected:
 	void createKey(OptionId optId, Minecraft* minecraft);
 
 	std::string label;
+	int contentHeight;
+	float scrollOffsetY;
+	float maxScrollOffsetY;
+	bool trackingScrollGesture;
+	bool scrollingGesture;
+	bool touchDispatched;
+	int dragStartX;
+	int dragStartY;
+	int lastDragY;
+	int touchStartX;
+	int touchStartY;
+	static const int ScrollStartThreshold = 5;
 };
 
 #endif /*NET_MINECRAFT_CLIENT_GUI_COMPONENTS__OptionsGroup_H__*/

src/client/gui/screens/OptionsScreen.cpp

@@ -121,6 +121,7 @@ void OptionsScreen::setupPositions() {
 			(*it)->x = categoryButtons[0]->width;
 			(*it)->y = bHeader->height;
 			(*it)->width = width - categoryButtons[0]->width;
+			(*it)->height = height - bHeader->height;
 
 			(*it)->setupPositions();
 		}
@@ -258,6 +259,12 @@ void OptionsScreen::mouseReleased(int x, int y, int buttonNum) {
 	super::mouseReleased(x, y, buttonNum);
 }
 
+void OptionsScreen::mouseWheel(int dx, int dy, int xm, int ym) {
+	if (currentOptionsGroup != NULL && currentOptionsGroup->pointInside(xm, ym) && dy != 0) {
+		currentOptionsGroup->scrollByPixels((float)dy * 18.0f);
+	}
+}
+
 void OptionsScreen::keyPressed(int eventKey) {
 	if (currentOptionsGroup != NULL)
 		currentOptionsGroup->keyPressed(minecraft, eventKey);

src/client/gui/screens/OptionsScreen.h

@@ -27,6 +27,7 @@ public:
 
 	virtual void mouseClicked(int x, int y, int buttonNum);
 	virtual void mouseReleased(int x, int y, int buttonNum);
+	virtual void mouseWheel(int dx, int dy, int xm, int ym);
 	virtual void keyPressed(int eventKey);
 	virtual void charPressed(char inputChar);
 	

src/client/renderer/entity/ItemRenderer.cpp

@@ -130,12 +130,13 @@ static const signed short _18[] = {79, 80, 81, -1, 79, 80, 81, -1, 79, 80, 81, -
 static const signed short _24[] = {11, 12, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
 static const signed short _35[] = {52, 59, 58, 57, 56, 55, 54, 53, 67, 66, 65, 64, 63, 62, 61, 60};
 static const signed short _44[] = {28, 32, 30, 29, 31, 33, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
+static const signed short _31[] = {37, 82, -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
 static const signed short _98[] = {1, 2, 3, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
 static const signed short _155[] = {34, 36, 35, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
 static const signed short _263[] = {230, 151, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
 static const signed short _351[] = {-1, 152, 154, -1, 193, 215, 216, -1, -1, 217, 218, 219, 220, 221, 222, 144};
 
-static const signed short _mapper[] = {-1, 7, 9, 8, 0, 5, -2, -1, -1, -1, -1, -1, 14, 15, 39, 38, 37, -2, -2, -1, 49, 41, 46, -1, -2, -1, -1, -1, -1, -1, 235, -1, -1, -1, -1, -2, -1, 134, 135, 136, 137, 43, 44, -1, -2, 6, 76, 71, 4, 47, 129, -1, -1, 22, 74, -1, 40, 45, 72, -1, -1, 75, -1, -1, -1, 128, -1, 21, -1, -1, -1, -1, -1, 42, -1, -1, -1, -1, -1, -1, 48, 77, 10, 236, -1, 69, -1, 20, -1, 50, -1, -1, -1, -1, -1, -1, 68, -1, -2, -1, -1, -1, 130, 78, -1, -1, -1, 70, 23, 25, -1, -1, 19, -1, 26, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 24, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, 27, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 73, -1, 51, -1, -1, -1, -1, -1, 82, -1, -1, 174, 173, 175, 231, 234, 147, 190, -2, 153, 150, 149, 146, 185, 166, 164, 167, 186, 170, 169, 171, 187, 177, 176, 178, 165, 195, 194, 188, 181, 180, 182, 189, 191, 228, 168, 172, 145, 179, 183, 142, 233, 232, 198, 200, 201, 202, -1, -1, -1, -1, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 192, 156, 157, 133, -1, 148, 131, -1, -1, -1, -1, -1, -1, -1, 226, -1, 199, -1, 159, 158, 138, 224, 225, -1, -1, -1, -1, -1, -1, -1, 227, -1, -1, -2, 223, 229, -1, 132, -1, -1, -1, 184, 196, -1, 143, 160, 161, 162, 163, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 155, 197};
+static const signed short _mapper[] = {-1, 7, 9, 8, 0, 5, -2, -1, -1, -1, -1, -1, 14, 15, 39, 38, 37, -2, -2, -1, 49, 41, 46, -1, -2, -1, -1, -1, -1, -1, 235, -2, -1, -1, -1, -2, -1, 134, 135, 136, 137, 43, 44, -1, -2, 6, 76, 71, 4, 47, 129, -1, -1, 22, 74, -1, 40, 45, 72, -1, -1, 75, -1, -1, -1, 128, -1, 21, -1, -1, -1, -1, -1, 42, -1, -1, -1, -1, -1, -1, 48, 77, 10, 236, -1, 69, -1, 20, -1, 50, -1, -1, -1, -1, -1, -1, 68, -1, -2, -1, -1, -1, 130, 78, -1, -1, -1, 70, 23, 25, -1, -1, 19, -1, 26, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 24, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -2, 27, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 73, -1, 51, -1, -1, -1, -1, -1, 82, -1, -1, 174, 173, 175, 231, 234, 147, 190, -2, 153, 150, 149, 146, 185, 166, 164, 167, 186, 170, 169, 171, 187, 177, 176, 178, 165, 195, 194, 188, 181, 180, 182, 189, 191, 228, 168, 172, 145, 179, 183, 142, 233, 232, 198, 200, 201, 202, -1, -1, -1, -1, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 192, 156, 157, 133, -1, 148, 131, -1, -1, -1, -1, -1, -1, -1, 226, -1, 199, -1, 159, 158, 138, 224, 225, -1, -1, -1, -1, -1, -1, -1, 227, -1, -1, -2, 223, 229, -1, 132, -1, -1, -1, 184, 196, -1, 143, 160, 161, 162, 163, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 155, 197};
 
 #define IRMAPCASE(x) case x: return  _##x [item->getAuxValue() & 15]
 
@@ -153,6 +154,7 @@ int ItemRenderer::getAtlasPos(const ItemInstance* item) {
 		IRMAPCASE(17);
 		IRMAPCASE(18);
 		IRMAPCASE(24);
+		IRMAPCASE(31);
 		IRMAPCASE(35);
 		IRMAPCASE(44);
 		IRMAPCASE(98);

src/world/entity/player/Inventory.cpp

@@ -3,6 +3,7 @@
 #include "../../level/tile/QuartzBlockTile.h"
 #include "../../level/tile/TreeTile.h"
 #include "../../level/tile/StoneSlabTile.h"
+#include "../../level/tile/TallGrass.h"
 #include "../../item/DyePowderItem.h"
 #include "../../item/crafting/Recipe.h"
 #include "../../item/CoalItem.h"
@@ -229,6 +230,7 @@ void Inventory::setupDefault() {
 
 		addItem(new ItemInstance(((Tile*)Tile::flower)));
 		addItem(new ItemInstance(((Tile*)Tile::rose)));
+		addItem(new ItemInstance(Tile::tallgrass, 1, TallGrass::TALL_GRASS));
 		addItem(new ItemInstance(((Tile*)Tile::mushroom1)));
 		addItem(new ItemInstance(((Tile*)Tile::mushroom2)));
 		addItem(new ItemInstance(Tile::cactus));

src/world/level/tile/Tile.cpp

@@ -285,6 +285,7 @@ void Tile::initTiles() {
 	Item::items[sandStone->id] = (new AuxDataTileItem(sandStone->id - 256, sandStone))->setCategory(ItemCategory::Structures)->setDescriptionId("sandStone");
 
 	Item::items[quartzBlock->id] = (new AuxDataTileItem(quartzBlock->id - 256, quartzBlock))->setCategory(ItemCategory::Structures)->setDescriptionId("quartzBlock");
+	Item::items[tallgrass->id] = (new AuxDataTileItem(tallgrass->id - 256, tallgrass))->setCategory(ItemCategory::Decorations);
 
     for (int i = 0; i < 256; i++) {
         if (Tile::tiles[i] != NULL) {