Open source Star Ruler 2 source code!

source/game/scene/billboard_node.cpp

@@ -0,0 +1,75 @@
+#include "scene/billboard_node.h"
+#include "render/driver.h"
+
+namespace scene {
+
+BillboardNode::BillboardNode(const render::RenderState* Material, double Width)
+	: material(Material), width(Width)
+{
+	setFlag(NF_NoMatrix, true);
+	if(Material->baseMat != render::MAT_Solid)
+		setFlag(NF_Transparent, true);
+}
+
+void BillboardNode::setWidth(double Width) {
+	if(width != Width)
+		width = Width;
+}
+
+bool BillboardNode::preRender(render::RenderDriver& driver) {
+	auto fromCamera = abs_position - driver.cam_pos;
+	if(fromCamera.dot(driver.cam_facing) > 0) {
+		sortDistance = fromCamera.getLength();
+		return true;
+	}
+	else {
+		return false;
+	}
+}
+	
+void BillboardNode::render(render::RenderDriver& driver) {
+	driver.switchToRenderState(*material);
+	driver.drawBillboard(abs_position, width * abs_scale);
+}
+
+SpriteNode::SpriteNode(const render::Sprite& sprt, double Width)
+	: sprite(sprt), width(Width)
+{
+	setFlag(NF_NoMatrix, true);
+	if(sprt.mat) {
+		if(sprt.mat->baseMat != render::MAT_Solid)
+			setFlag(NF_Transparent, true);
+	}
+	else if(sprt.sheet) {
+		if(sprt.sheet->material.baseMat != render::MAT_Solid)
+			setFlag(NF_Transparent, true);
+	}
+}
+
+void SpriteNode::setWidth(double Width) {
+	if(width != Width)
+		width = Width;
+}
+
+bool SpriteNode::preRender(render::RenderDriver& driver) {
+	auto fromCamera = abs_position - driver.cam_pos;
+	if(fromCamera.dot(driver.cam_facing) > 0) {
+		sortDistance = fromCamera.getLength();
+		return true;
+	}
+	else {
+		return false;
+	}
+}
+	
+void SpriteNode::render(render::RenderDriver& driver) {
+	if(sprite.mat) {
+		driver.switchToRenderState(*sprite.mat);
+		driver.drawBillboard(abs_position, width * abs_scale);
+	}
+	else {
+		driver.drawBillboard(abs_position, width * abs_scale, sprite.sheet->material, sprite.sheet->getSource(sprite.index), 0, Color());
+	}
+}
+
+};