Add image button to ImmediateGui

marioCST · Feb 11, 2023 · 8f43446 · 8f43446
1 parent eb44bcf
commit 8f43446
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Showing 3 changed files with 74 additions and 3 deletions.
diff --git a/Horion/ImmediateGui.cpp b/Horion/ImmediateGui.cpp
@@ -8,6 +8,9 @@ ComponentInfo::ComponentInfo(int id) : id(id) {
 ButtonInfo::ButtonInfo(int id, Vec2 pos, bool centered) : ComponentInfo(id), pos(pos), centered(centered) {
 }
 
+ImageButtonInfo::ImageButtonInfo(int id, Vec2 pos, bool centered) : ButtonInfo(id, pos, centered) {
+}
+
 void ButtonInfo::calculateSize(const char* txt) {
 	std::string str(txt);
 	size = {DrawUtils::getTextWidth(&str), DrawUtils::getFont(Fonts::SMOOTH)->getLineHeight()};
@@ -53,6 +56,41 @@ void ButtonInfo::draw(Vec2 mousePos, const char* label) {
 	}		
 }
 
+void ImageButtonInfo::updateSize(Vec2 size) {
+	this->size = size;
+}
+
+void ImageButtonInfo::draw(Vec2 mousePos, const char* location) {
+	auto surface = getSelectableSurface();
+	Vec2 imagePos = pos;
+	Vec2 imageSize = size;
+
+	if (centered) {
+		imagePos.x -= imageSize.x / 2;
+		imagePos.y -= imageSize.y / 2;
+	}
+
+	if (isInSelectableSurface(mousePos)) {
+		if (DrawUtils::isLeftClickDown) {
+			surface = surface.shrink(0.8f);
+			imageSize.x *= 0.95f;
+			imageSize.y *= 0.95f;
+
+			imagePos.x += imagePos.x * 0.025f;
+			imagePos.y += imagePos.y * 0.025f;
+		}
+
+		DrawUtils::fillRectangle(surface, MC_Color(85, 85, 85), 0.2f);
+		canClickB = true;
+	} else {
+		//DrawUtils::fillRectangle(surface, MC_Color(12, 12, 12), 1);
+		canClickB = false;
+	}
+
+	DrawUtils::drawImage(location, imagePos, imageSize);
+	DrawUtils::flushImage();
+}
+
 void ImmediateGui::startFrame() {
 	Vec2 windowSize = Game.getClientInstance()->getGuiData()->windowSize;
 	Vec2 windowSizeReal = Game.getClientInstance()->getGuiData()->windowSizeReal;
@@ -82,3 +120,22 @@ bool ImmediateGui::Button(const char* label, Vec2 pos, bool centered) {
 
 	return false;
 }
+
+bool ImmediateGui::ImageButton(const char* location, Vec2 pos, Vec2 size, bool centered) {
+	auto id = Utils::getCrcHash(location);
+	if (components.find(id) == components.end()) {  // Create new button
+		components[id] = std::make_shared<ImageButtonInfo>(id, pos, centered);
+	}
+	auto comp = components[id];
+	auto button = dynamic_cast<ImageButtonInfo*>(comp.get());
+
+	button->updatePos(pos);
+	button->updateSize(size);
+	button->draw(mousePos, location);
+	if (button->canClick() && DrawUtils::shouldToggleLeftClick) {  // Click
+		DrawUtils::shouldToggleLeftClick = false;
+		return true;
+	}
+
+	return false;
+}
diff --git a/Horion/ImmediateGui.h b/Horion/ImmediateGui.h
@@ -16,7 +16,7 @@ class ComponentInfo {
 };
 
 class ButtonInfo : public ComponentInfo {
-private:
+protected:
 	Vec2 pos;
 	Vec2 size;
 	bool centered;
@@ -30,12 +30,21 @@ class ButtonInfo : public ComponentInfo {
 	void calculateSize(const char*);
 	bool isInSelectableSurface(Vec2 mouse);
 	Vec4 getSelectableSurface();
-	void draw(Vec2 mousePos, const char* label);
+	virtual void draw(Vec2 mousePos, const char* label);
 	bool canClick() { return canClickB; };
 	void updatePos(Vec2 pos) { pos = pos; }
 
 };
 
+class ImageButtonInfo : public ButtonInfo {
+public:
+	ImageButtonInfo(int id, Vec2 pos, bool centered = false);
+	virtual ~ImageButtonInfo(){};
+
+	virtual void draw(Vec2 mousePos, const char* location) override;
+	void updateSize(Vec2 size);
+};
+
 class ImmediateGui {
 private:
 	Vec2 mousePos;
@@ -44,6 +53,7 @@ class ImmediateGui {
 public:
 	void startFrame();
 	bool Button(const char* label, Vec2 pos, bool centered = false);
+	bool ImageButton(const char* location, Vec2 pos, Vec2 size, bool centered = false);
 };
 
 extern ImmediateGui HorionGui;
diff --git a/Horion/Module/Modules/TestModule.cpp b/Horion/Module/Modules/TestModule.cpp
@@ -57,7 +57,11 @@ void TestModule::onPreRender(MinecraftUIRenderContext* renderCtx) {
 		clientMessageF("Test Button Was Clicked");
 	}
 
-	DrawUtils::drawImage("textures/ui/title", Vec2(100,100), Vec2(200,200));
+	if (HorionGui.ImageButton("textures/ui/title", Vec2(100, 200), Vec2(200, 100))) {
+		clientMessageF("Test Image Button Was Clicked");
+	}
+
+	DrawUtils::drawImage("textures/ui/title", Vec2(100,100), Vec2(200,100));
 	DrawUtils::flushImage();
 }