diff --git a/assets/scene.blend b/assets/scene.blend
index 26aa843..cd4761b 100644
--- a/assets/scene.blend
+++ b/assets/scene.blend
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8f3bfe3273bc69e19caf98fb967b5f57e2f01fd7650c33b3f65aba0edb9e1a35
-size 12259665
+oid sha256:41ba57a844b0436beed7f41a2ec804b9fa8b58e3809e6fba5181c5c42b711478
+size 16405769
diff --git a/assets/scene.glb b/assets/scene.glb
index 479b32d..fe23400 100644
--- a/assets/scene.glb
+++ b/assets/scene.glb
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b01a5e8079b95c2f32d653a2622a6204ffebb36ec58950c410bf3492a6901831
-size 1603960
+oid sha256:1e2ae295c30e9008808b575fd251d3fc2cdbd882e5d7e9b9bba84d087ea1712b
+size 5679556
diff --git a/assets/shader/main.fsh b/assets/shader/main.fsh
index 37d473c..272e354 100644
--- a/assets/shader/main.fsh
+++ b/assets/shader/main.fsh
@@ -10,6 +10,7 @@ in VS_OUT {
 	vec3 pos;
 	vec2 tex_pos;
 	vec3 material;
+	float ambient;
 } vin;
 
 struct Light
@@ -37,6 +38,17 @@ uniform float far_plane;
 uniform bool shadows_enabled;
 uniform int lights_count;
 
+float Map(float v, float i_min, float i_max, float o_min, float o_max)
+{
+	return o_min + (o_max - o_min) * (v - i_min) / (i_max - i_min);
+}
+
+float Ramp(float v, float i_min, float i_max, float o_min, float o_max)
+{
+	float t = clamp(v, i_min, i_max);
+	return Map(t, i_min, i_max, o_min, o_max);
+}
+
 vec3 FresnelSchlick(float cosTheta, vec3 F0)
 {
 	return F0 + (1.f - F0) * pow(clamp(1.f - cosTheta, 0.f, 1.f), 5.f);
@@ -113,15 +125,28 @@ void main()
 	vec3 F0 = vec3(0.04f);
 	F0 = mix(F0, albedo_lin, metalness);
 
-	vec3 Lo = vec3(0.0f);
+	vec3 Lo = vec3(0.f);
 	for(int i = 0; i < lights_count; i++)
 	{
 		Light l = lights[i];
 
+		float light_m;
 		vec3 L = normalize(l.pos.xyz - vin.pos);
-		vec3 H = normalize(V + L);
-
 		float d = length(vin.pos - l.pos.xyz);
+
+		if(shadows_enabled)
+		{
+			float max_d = texture(shadow_maps[i], -L).r * far_plane;
+			light_m = Ramp(d - max_d, 0.f, 2.5e-2f, 1.f, 0.f);
+			if(light_m <= 0.f) continue;
+		}
+
+		else
+		{
+			light_m = 1.f;
+		}
+
+		vec3 H = normalize(V + L);
 		float atten = 1.f / (d*d);
 		vec3 radiance = l.colour.rgb * atten;
 
@@ -138,28 +163,13 @@ void main()
 		float denominator = 4.f * max(dot(N, V), 0.f) * max(dot(N, L), 0.f) + 1e-4f;
 		vec3 specular = numerator / denominator;
 		
-		float light_m;
-		float spec_m;
-
-		if(shadows_enabled)
-		{
-			float max_d = texture(shadow_maps[i], -L).r * far_plane + 1e-2f;
-			spec_m = max_d > d ? 1.f : 0.f;
-			light_m = spec_m * 0.25f + 0.75f;
-		}
-
-		else
-		{
-			light_m = 1.f;
-			spec_m = 1.f;
-		}
 
 		// add to outgoing radiance Lo
 		float NdotL = max(dot(N, L), 0.f);
-		Lo += (kD * albedo_lin / PI + specular * spec_m) * radiance * NdotL * light_m;
+		Lo += (kD * albedo_lin / PI + specular) * radiance * NdotL * light_m;
 	}
 	
-	vec3 ambient = vec3(0.03f) * albedo_lin * brightness;
+	vec3 ambient = vec3(vin.ambient) * albedo_lin * brightness;
 	vec3 light = LinRGB_To_sRGB(ambient + Lo);
 
 	light = mix(light, albedo.rgb, luminance);
diff --git a/assets/shader/main.vsh b/assets/shader/main.vsh
index 441434f..abccc2a 100644
--- a/assets/shader/main.vsh
+++ b/assets/shader/main.vsh
@@ -24,6 +24,7 @@ out VS_OUT {
 	vec3 pos;
 	vec2 tex_pos;
 	vec3 material;
+	float ambient;
 } vout;
 
 out flat sampler2D frag_tex;
@@ -33,6 +34,11 @@ mat4 load_model_mat(int index)
 	return index < 0 ? mat4(1.f) : transforms[index];
 }
 
+float Map(float v, float i_min, float i_max, float o_min, float o_max)
+{
+	return o_min + (o_max - o_min) * (v - i_min) / (i_max - i_min);
+}
+
 void main()
 {
 	vec4 pos = vec4(aPos, 1.f);
@@ -40,7 +46,8 @@ void main()
 	mat4 mv = camera * model;
 	mat4 mvp = projection * mv;
 
-	vout.normal = mat3(model) * aNormal;
+	vout.normal = normalize(mat3(model) * aNormal);
+	vout.ambient = Map(dot(vout.normal, vec3(0.f, 0.f, 1.f)), -1.f, 1.f, 0.2f, 0.25f);
 	vout.pos = (model * pos).xyz;
 	vout.colour = aColour;
 	vout.tex_pos = aTexPos;
diff --git a/src/coolant/evaporator.cpp b/src/coolant/evaporator.cpp
index 9628b09..f3c704a 100644
--- a/src/coolant/evaporator.cpp
+++ b/src/coolant/evaporator.cpp
@@ -14,18 +14,20 @@ constexpr static double calc_cylinder(double h, double d)
 	return M_PI * r * r * h * 1000;
 }
 
-Evaporator::Evaporator(Fluid type, double height, double diameter, double mass, double level) :
-		height(height),
-		diameter(diameter),
-		FluidHolder(type, calc_cylinder(height, diameter), mass)
+Evaporator::Evaporator(Fluid type, double volume, double mass, double level)
+	: FluidHolder(type, volume, mass)
 {
 	this->level = level;
 }
 
-Evaporator::Evaporator(const Json::Value& node) :
-		height(node["height"].asDouble()),
-		diameter(node["diameter"].asDouble()),
-		FluidHolder(node)
+Evaporator::Evaporator(Fluid type, double height, double diameter, double mass, double level)
+	: FluidHolder(type, calc_cylinder(height, diameter), mass)
+{
+	this->level = level;
+}
+
+Evaporator::Evaporator(const Json::Value& node)
+	: FluidHolder(node)
 {
 	steam_output = node["steam_output"].asDouble();
 }
@@ -70,8 +72,6 @@ Evaporator::operator Json::Value() const
 {
 	Json::Value node(FluidHolder::operator::Json::Value());
 
-	node["height"] = height;
-	node["diameter"] = diameter;
 	node["steam_output"] = steam_output;
 	
 	return node;
diff --git a/src/coolant/evaporator.hpp b/src/coolant/evaporator.hpp
index 148f11a..f235237 100644
--- a/src/coolant/evaporator.hpp
+++ b/src/coolant/evaporator.hpp
@@ -8,13 +8,11 @@ namespace Sim::Coolant
 
 class Evaporator : public FluidHolder
 {
-	const double height;
-	const double diameter;
-
 	double steam_output = 0;
 	
 public:
 
+	Evaporator(Fluid type, double volume, double mass, double level);
 	Evaporator(Fluid type, double height, double diameter, double mass, double level);
 	Evaporator(const Json::Value& node);
 	
diff --git a/src/coolant/pool.cpp b/src/coolant/pool.cpp
new file mode 100644
index 0000000..78b1d5c
--- /dev/null
+++ b/src/coolant/pool.cpp
@@ -0,0 +1,35 @@
+
+#include "pool.hpp"
+
+using namespace Sim::Coolant;
+
+Pool::Pool(const Json::Value& node)
+	: Evaporator(node)
+	, dimensions(node["dimensions"]["x"].asDouble(), node["dimensions"]["y"].asDouble(), node["dimensions"]["z"].asDouble())
+{
+
+}
+
+Pool::Pool(Fluid fluid, const glm::vec3& dimensions, double heat, double mass, double level)
+	: Evaporator(fluid, dimensions.x * dimensions.y * dimensions.z * 1000, mass, level)
+	, dimensions(dimensions)
+{
+	this->heat = heat;
+	this->level = level;
+}
+
+Pool::operator Json::Value() const
+{
+	Json::Value node = Evaporator::operator Json::Value();
+	node["dimensions"]["x"] = dimensions.x;
+	node["dimensions"]["y"] = dimensions.y;
+	node["dimensions"]["z"] = dimensions.z;
+	return node;
+}
+
+double Pool::get_level_height() const
+{
+	double ratio = level / volume;
+	return dimensions.z * ratio;
+}
+
diff --git a/src/coolant/pool.hpp b/src/coolant/pool.hpp
new file mode 100644
index 0000000..2af58da
--- /dev/null
+++ b/src/coolant/pool.hpp
@@ -0,0 +1,23 @@
+
+#include "evaporator.hpp"
+
+#include <glm/vec3.hpp>
+
+namespace Sim::Coolant
+{
+
+class Pool : public Evaporator
+{
+public:
+
+	const glm::vec3 dimensions;
+
+	Pool(Fluid fluid, const glm::vec3& dimensions, double temperature, double mass, double level);
+	Pool(const Json::Value& node);
+
+	operator Json::Value() const;
+	double get_level_height() const;
+};
+
+};
+
diff --git a/src/graphics/equipment/generator.cpp b/src/graphics/equipment/generator.cpp
new file mode 100644
index 0000000..c847cac
--- /dev/null
+++ b/src/graphics/equipment/generator.cpp
@@ -0,0 +1,25 @@
+
+#include "generator.hpp"
+#include "../../system.hpp"
+
+#include <glm/gtc/matrix_transform.hpp>
+
+using namespace Sim::Graphics::Equipment;
+
+Generator::Generator(const Model& model)
+{
+	g_rotor = model.load("visual_generator_rotor");
+}
+
+void Generator::remesh_static(Mesh& rmesh)
+{
+	rmesh.add(g_rotor);
+}
+
+void Generator::get_static_transforms(std::vector<glm::mat4>& transforms)
+{
+	Sim::System& sys = *Sim::System::active;
+	glm::mat4 rot = glm::rotate(glm::mat4(1), (float)sys.loop.generator.get_phase(), glm::vec3(0, 0, 1));
+	transforms.push_back(rot);
+}
+
diff --git a/src/graphics/equipment/generator.hpp b/src/graphics/equipment/generator.hpp
new file mode 100644
index 0000000..28a8b8f
--- /dev/null
+++ b/src/graphics/equipment/generator.hpp
@@ -0,0 +1,21 @@
+
+#pragma once
+
+#include "../mesh/meshgen.hpp"
+
+namespace Sim::Graphics::Equipment
+{
+
+class Generator : public MeshGen
+{
+	Mesh g_rotor;
+
+public:
+
+	Generator(const Model& model);
+	virtual void get_static_transforms(std::vector<glm::mat4>& transforms);
+	virtual void remesh_static(Mesh& rmesh);
+};
+
+};
+
diff --git a/src/graphics/equipment/pool.cpp b/src/graphics/equipment/pool.cpp
new file mode 100644
index 0000000..d97c255
--- /dev/null
+++ b/src/graphics/equipment/pool.cpp
@@ -0,0 +1,35 @@
+
+#include "pool.hpp"
+#include "../../system.hpp"
+
+#include <glm/gtc/matrix_transform.hpp>
+
+using namespace Sim::Graphics::Equipment;
+
+Pool::Pool(const Model& model)
+{
+	g_pool = model.load("visual_water");
+}
+
+void Pool::remesh_static(Mesh& rmesh)
+{
+	rmesh.add(g_pool);
+}
+
+void Pool::get_static_transforms(std::vector<glm::mat4>& transforms)
+{
+	Sim::System& sys = *Sim::System::active;
+	double z = sys.pool.get_level_height();
+
+	if(z > 0.1)
+	{
+		transforms.push_back(glm::translate(glm::mat4(1), glm::vec3(0, 0, z - sys.pool.dimensions.z)));
+	}
+
+	else
+	{
+		// hacky solution to prevent z fighting with the bottom of the pool
+		transforms.push_back(glm::mat4(0));
+	}
+}
+
diff --git a/src/graphics/equipment/pool.hpp b/src/graphics/equipment/pool.hpp
new file mode 100644
index 0000000..c918dd8
--- /dev/null
+++ b/src/graphics/equipment/pool.hpp
@@ -0,0 +1,21 @@
+
+#pragma once
+
+#include "../mesh/meshgen.hpp"
+
+namespace Sim::Graphics::Equipment
+{
+
+class Pool : public MeshGen
+{
+	Mesh g_pool;
+
+public:
+
+	Pool(const Model& model);
+	virtual void get_static_transforms(std::vector<glm::mat4>& transforms);
+	virtual void remesh_static(Mesh& rmesh);
+};
+
+};
+
diff --git a/src/graphics/window.cpp b/src/graphics/window.cpp
index 5985e6d..2074112 100644
--- a/src/graphics/window.cpp
+++ b/src/graphics/window.cpp
@@ -31,6 +31,8 @@
 #include "mesh/gllight.hpp"
 #include "mesh/meshgen.hpp"
 #include "equipment/reactor.hpp"
+#include "equipment/generator.hpp"
+#include "equipment/pool.hpp"
 #include "../system.hpp"
 #include "../util/streams.hpp"
 #include "ui.hpp"
@@ -53,7 +55,6 @@ static Mesh g_scene;
 static std::vector<glm::mat4> g_scene_transforms;
 
 static GLMesh gm_scene;
-static GLMesh gm_transparent;
 static GLMesh gm_dynamic_slow[2];
 
 static std::vector<GLLight> lights;
@@ -171,8 +172,6 @@ void Window::create()
 	Mesh m_transparent;
 
 	Model model("../assets", "scene.glb");
-	m_transparent = model.load("visual_water");
-	m_transparent.bake_transforms();
 
 	g_scene.add(model.load("cr"));
 	g_scene.add(model.load("cb"));
@@ -195,12 +194,11 @@ void Window::create()
 	monitors.push_back(std::make_unique<Monitor::SecondaryLoop>(model));
 	monitors.push_back(std::make_unique<Monitor::Turbine>(model));
 	equipment.push_back(std::make_unique<Equipment::Reactor>(model));
+	equipment.push_back(std::make_unique<Equipment::Generator>(model));
+	equipment.push_back(std::make_unique<Equipment::Pool>(model));
 
 	remesh_static();
 
-	gm_transparent.bind();
-	gm_transparent.set(m_transparent, GL_STATIC_DRAW);
-
 	glfwShowWindow(win);
 
 	// setup lighting and prerender shadows
@@ -313,7 +311,7 @@ void Window::update(double dt)
 	UI::update(dt);
 
 	glBindBuffer(GL_SHADER_STORAGE_BUFFER, ssbo_transforms[ssbo_transforms_at]);
-	glBufferData(GL_SHADER_STORAGE_BUFFER, transforms.size() * sizeof(transforms[0]), &transforms[0], GL_DYNAMIC_DRAW);
+	glBufferData(GL_SHADER_STORAGE_BUFFER, transforms.size() * sizeof(transforms[0]), &transforms[0], GL_STREAM_DRAW);
 	ssbo_transforms_at = (ssbo_transforms_at + 1) % SSBO_TRANSFORMS_LEN;
 
 	if(wait_at++ % 4 == 0)
@@ -331,9 +329,6 @@ void Window::render_scene()
 	gm_dynamic_slow[gm_dynamic_slow_at].bind();
 	gm_dynamic_slow[gm_dynamic_slow_at].render();
 	
-	gm_transparent.bind();
-	gm_transparent.render();
-
 	Focus::render();
 }
 
diff --git a/src/system.cpp b/src/system.cpp
index 4a5571b..b7fb2fc 100644
--- a/src/system.cpp
+++ b/src/system.cpp
@@ -41,6 +41,7 @@ System::System() :
 		vessel(Coolant::WATER, 8, 10, 6e6, 5e5, 10),
 		reactor(Reactor::Builder(19, 19, 0.4, 4, Reactor::Fuel::FuelRod(0.5), &vessel, CORE_LAYOUT)),
 		evaporator(Coolant::WATER, 2, 30, 0, 1000),
+		pool(Coolant::WATER, {16, 32, 11.3}, 16, 1e5, 0),
 		sink(Coolant::WATER, 11, 0, 0),
 		grid(),
 		freight_pump(&sink, &evaporator, 1e5, 1, 1e4, 0.1, 10, Coolant::Pump::mode_t::DST, 1e6),
@@ -55,6 +56,7 @@ System::System(const Json::Value& node) :
 		reactor(node["reactor"], &vessel),
 		grid(node["grid"]),
 		evaporator(node["evaporator"]),
+		pool(node["pool"]),
 		sink(evaporator.fluid, 11, 0, 0),
 		freight_pump(node["pump"]["freight"], &sink, &evaporator),
 		loop(node, &vessel, &evaporator, &grid)
@@ -82,6 +84,7 @@ System::operator Json::Value() const
 	node["grid"] = grid;
 	node["vessel"] = vessel;
 	node["evaporator"] = evaporator;
+	node["pool"] = pool;
 	node["pump"]["freight"] = freight_pump;
 	node["reactor"] = reactor;
 	node["clock"] = clock;
diff --git a/src/system.hpp b/src/system.hpp
index a6c96db..4b8e24f 100644
--- a/src/system.hpp
+++ b/src/system.hpp
@@ -8,6 +8,7 @@
 #include "reactor/reactor.hpp"
 #include "electric/grid.hpp"
 #include "coolant/loop.hpp"
+#include "coolant/pool.hpp"
 
 namespace Sim
 {
@@ -20,6 +21,7 @@ struct System
 	Reactor::Reactor reactor;
 	Reactor::Coolant::Vessel vessel;
 	Coolant::Evaporator evaporator;
+	Coolant::Pool pool;
 	Coolant::Pump freight_pump;
 	Coolant::Sink sink;
 	Coolant::Loop loop;