Open source Star Ruler 2 source code!

source/game/scene/plane_node.cpp

@@ -0,0 +1,60 @@
+#include "scene/plane_node.h"
+#include "render/driver.h"
+
+void shader_plane_minrad(float* value,unsigned short,void*) {
+	if(auto* node = dynamic_cast<scene::PlaneNode*>(scene::renderingNode))
+		*value = (float)node->minRad;
+	else
+		*value = 0.f;
+}
+
+void shader_plane_maxrad(float* value,unsigned short,void*) {
+	if(auto* node = dynamic_cast<scene::PlaneNode*>(scene::renderingNode))
+		*value = (float)node->maxRad;
+	else
+		*value = 0.f;
+}
+
+namespace scene {
+PlaneNode::PlaneNode(const render::RenderState* Material, double Size)
+	: material(Material), minRad(-3.2f), maxRad(3.2f) {
+	setFlag(NF_NoMatrix, true);
+	if(Material->baseMat != render::MAT_Solid)
+		setFlag(NF_Transparent, true);
+	scale = Size;
+}
+
+bool PlaneNode::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 PlaneNode::render(render::RenderDriver& driver) {
+	driver.setTransformation(transformation);
+	driver.switchToRenderState(*material);
+
+	vec3d verts[4];
+	vec3d vsize = vec3d(scale, 0, scale);
+
+	vec3d topLeft = abs_position - vsize;
+	vec3d botRight = abs_position + vsize;
+
+	verts[0] = topLeft;
+	verts[1] = topLeft + vec3d(vsize.x * 2, 0, 0);
+	verts[2] = botRight;
+	verts[3] = botRight - vec3d(vsize.x  * 2, 0, 0);
+
+	vec2f tcs[4] = { vec2f(0,0), vec2f(1,0), vec2f(1,1), vec2f(0,1) };
+	Color colors[4] = { color, color, color, color };
+
+	driver.drawQuad(verts, tcs, colors);
+	driver.resetTransformation();
+}
+	
+};