implemented generic lighting callback

premake5.lua

@@ -204,7 +204,14 @@ project "imguitest"
 	kind "WindowedApp"
 	characterset ("MBCS")
 	skeltool("imguitest")
-	files { "tools/imguitest/imgui/*.cpp" }
+	flags { "WinMain" }
+	removeplatforms { "*null" }
+	removeplatforms { "ps2" }
+
+project "lights"
+	kind "WindowedApp"
+	characterset ("MBCS")
+	skeltool("lights")
 	flags { "WinMain" }
 	removeplatforms { "*null" }
 	removeplatforms { "ps2" }

src/charset.cpp

@@ -1,7 +1,4 @@
 #include <cstdio>
-//#include <cstdlib>
-//#include <cstring>
-//#include <cassert>
 
 #include "rwbase.h"
 #include "rwerror.h"

src/d3d/d3d8render.cpp

@@ -27,7 +27,7 @@ defaultRenderCB(Atomic *atomic, InstanceDataHeader *header)
 {
 	RawMatrix world;
 
-	d3d::lightingCB(!!(atomic->geometry->flags & Geometry::NORMALS));
+	d3d::lightingCB(atomic);
 
 	Geometry *geo = atomic->geometry;
 	d3d::setRenderState(D3DRS_LIGHTING, !!(geo->flags & rw::Geometry::LIGHT));

src/d3d/d3d9render.cpp

@@ -66,7 +66,7 @@ defaultRenderCB(Atomic *atomic, InstanceDataHeader *header)
 
 	int lighting = !!(geo->flags & rw::Geometry::LIGHT);
 	if(lighting)
-		d3d::lightingCB(!!(atomic->geometry->flags & Geometry::NORMALS));
+		d3d::lightingCB(atomic);
 
 	d3d::setRenderState(D3DRS_LIGHTING, lighting);
 

src/d3d/d3drender.cpp

@@ -20,10 +20,19 @@ IDirect3DDevice9 *d3ddevice = nil;
 #define MAX_LIGHTS 8
 
 void
-lightingCB(bool32 normals)
+lightingCB(Atomic *atomic)
 {
-	World *world;
+	WorldLights lightData;
-	RGBAf ambLight = { 0.0, 0.0, 0.0, 1.0 };
+	Light *directionals[8];
+	Light *locals[8];
+	lightData.directionals = directionals;
+	lightData.numDirectionals = 8;
+	lightData.locals = locals;
+	lightData.numLocals = 8;
+
+	((World*)engine->currentWorld)->enumerateLights(atomic, &lightData);
+
+	int i, n;
 	RGBA amb;
 	D3DLIGHT9 light;
 	light.Type = D3DLIGHT_DIRECTIONAL;
@@ -39,34 +48,83 @@ lightingCB(bool32 normals)
 	light.Attenuation2 = 0.0f;
 	light.Theta = 0.0f;
 	light.Phi = 0.0f;
-	int n = 0;
 
-	world = (World*)engine->currentWorld;
+	convColor(&amb, &lightData.ambient);
-	// only unpositioned lights right now
+	d3d::setRenderState(D3DRS_AMBIENT, D3DCOLOR_RGBA(amb.red, amb.green, amb.blue, amb.alpha));
-	FORLIST(lnk, world->directionalLights){
+
-		Light *l = Light::fromWorld(lnk);
+	n = 0;
-		if((l->getFlags() & Light::LIGHTATOMICS) == 0)
+	for(i = 0; i < lightData.numDirectionals; i++){
-			continue;
+		if(n >= MAX_LIGHTS)
-		if(normals &&
+			return;
-		   l->getType() == Light::DIRECTIONAL &&
+		Light *l = lightData.directionals[i];
-		   l->getFlags() & Light::LIGHTATOMICS){
+		light.Type = D3DLIGHT_DIRECTIONAL;
-			if(n >= MAX_LIGHTS)
+		light.Diffuse =  *(D3DCOLORVALUE*)&l->color;
-				continue;
+		light.Direction = *(D3DVECTOR*)&l->getFrame()->getLTM()->at;
+		d3ddevice->SetLight(n, &light);
+		d3ddevice->LightEnable(n, TRUE);
+		n++;
+	}
+
+	for(i = 0; i < lightData.numLocals; i++){
+		if(n >= MAX_LIGHTS)
+			return;
+		Light *l = lightData.locals[i];
+		switch(l->getType()){
+		case Light::POINT:
+			light.Type = D3DLIGHT_POINT;
 			light.Diffuse =  *(D3DCOLORVALUE*)&l->color;
-			light.Direction = *(D3DVECTOR*)&l->getFrame()->getLTM()->at;
+			light.Position = *(D3DVECTOR*)&l->getFrame()->getLTM()->pos;
+			light.Direction.x = 0.0f;
+			light.Direction.y = 0.0f;
+			light.Direction.z = 0.0f;
+			light.Range = l->radius;
+			light.Falloff = 1.0f;
+			light.Attenuation0 = 1.0f;
+			light.Attenuation1 = 0.0f/l->radius;
+			light.Attenuation2 = 5.0f/(l->radius*l->radius);
 			d3ddevice->SetLight(n, &light);
 			d3ddevice->LightEnable(n, TRUE);
 			n++;
-		}else if(l->getType() == Light::AMBIENT){
+			break;
-			ambLight.red   += l->color.red;
+
-			ambLight.green += l->color.green;
+		case Light::SPOT:
-			ambLight.blue  += l->color.blue;
+			light.Type = D3DLIGHT_SPOT;
+			light.Diffuse =  *(D3DCOLORVALUE*)&l->color;
+			light.Position = *(D3DVECTOR*)&l->getFrame()->getLTM()->pos;
+			light.Direction = *(D3DVECTOR*)&l->getFrame()->getLTM()->at;
+			light.Range = l->radius;
+			light.Falloff = 1.0f;
+			light.Attenuation0 = 1.0f;
+			light.Attenuation1 = 0.0f/l->radius;
+			light.Attenuation2 = 5.0f/(l->radius*l->radius);
+			light.Theta = l->getAngle()*2.0f;
+			light.Phi = light.Theta;
+			d3ddevice->SetLight(n, &light);
+			d3ddevice->LightEnable(n, TRUE);
+			n++;
+			break;
+
+		case Light::SOFTSPOT:
+			light.Type = D3DLIGHT_SPOT;
+			light.Diffuse =  *(D3DCOLORVALUE*)&l->color;
+			light.Position = *(D3DVECTOR*)&l->getFrame()->getLTM()->pos;
+			light.Direction = *(D3DVECTOR*)&l->getFrame()->getLTM()->at;
+			light.Range = l->radius;
+			light.Falloff = 1.0f;
+			light.Attenuation0 = 1.0f;
+			light.Attenuation1 = 0.0f/l->radius;
+			light.Attenuation2 = 5.0f/(l->radius*l->radius);
+			light.Theta = 0.0f;
+			light.Phi = l->getAngle()*2.0f;
+			d3ddevice->SetLight(n, &light);
+			d3ddevice->LightEnable(n, TRUE);
+			n++;
+			break;
 		}
 	}
+
 	for(; n < MAX_LIGHTS; n++)
 		d3ddevice->LightEnable(n, FALSE);
-	convColor(&amb, &ambLight);
-	d3d::setRenderState(D3DRS_AMBIENT, D3DCOLOR_RGBA(amb.red, amb.green, amb.blue, amb.alpha));
 }
 
 #endif

src/d3d/rwd3d.h

@@ -37,7 +37,7 @@ extern IDirect3DDevice9 *d3ddevice;
 void setD3dMaterial(D3DMATERIAL9 *mat9);
 #endif
 
-void lightingCB(bool32 normals);
+void lightingCB(Atomic *atomic);
 
 #define COLOR_ARGB(a, r, g, b) ((rw::uint32)((((a)&0xff)<<24)|(((r)&0xff)<<16)|(((g)&0xff)<<8)|((b)&0xff)))
 

src/rwobjects.h

@@ -731,14 +731,24 @@ struct Clump
 	void render(void);
 };
 
+// used by enumerateLights for lighting callback
+struct WorldLights
+{
+	RGBAf ambient;	// all ambients added
+	int32 numDirectionals;
+	Light **directionals;	// only directionals
+	int32 numLocals;
+	Light **locals;	// points, (soft)spots
+};
+
 // A bit of a stub right now
 struct World
 {
 	PLUGINBASE
 	enum { ID = 7 };
 	Object object;
-	LinkList lights;                // these have positions (type >= 0x80)
+	LinkList localLights;	// these have positions (type >= 0x80)
-	LinkList directionalLights;     // these do not (type < 0x80)
+	LinkList globalLights;	// these do not (type < 0x80)
 	LinkList clumps;
 
 	static int32 numAllocated;
@@ -754,6 +764,7 @@ struct World
 	void addClump(Clump *clump);
 	void removeClump(Clump *clump);
 	void render(void);
+	void enumerateLights(Atomic *atomic, WorldLights *lightData);
 };
 
 struct TexDictionary

src/world.cpp

@@ -28,8 +28,8 @@ World::create(void)
 	}
 	numAllocated++;
 	world->object.init(World::ID, 0);
-	world->lights.init();
+	world->localLights.init();
-	world->directionalLights.init();
+	world->globalLights.init();
 	world->clumps.init();
 	s_plglist.construct(world);
 	return world;
@@ -46,11 +46,12 @@ World::destroy(void)
 void
 World::addLight(Light *light)
 {
+	assert(light->world == nil);
 	light->world = this;
 	if(light->getType() < Light::POINT){
-		this->directionalLights.append(&light->inWorld);
+		this->globalLights.append(&light->inWorld);
 	}else{
-		this->lights.append(&light->inWorld);
+		this->localLights.append(&light->inWorld);
 		if(light->getFrame())
 			light->getFrame()->updateObjects();
 	}
@@ -59,8 +60,9 @@ World::addLight(Light *light)
 void
 World::removeLight(Light *light)
 {
-	if(light->world == this)
+	assert(light->world == this);
-		light->inWorld.remove();
+	light->inWorld.remove();
+	light->world = nil;
 }
 
 void
@@ -75,8 +77,8 @@ World::addCamera(Camera *cam)
 void
 World::removeCamera(Camera *cam)
 {
-	if(cam->world == this)
+	assert(cam->world == this);
-		cam->world = nil;
+	cam->world = nil;
 }
 
 void
@@ -136,4 +138,58 @@ World::render(void)
 		Clump::fromWorld(lnk)->render();
 }
 
+// Find lights that illuminate an atomic
+void
+World::enumerateLights(Atomic *atomic, WorldLights *lightData)
+{
+	int32 maxDirectionals, maxLocals;
+
+	assert(atomic->world == this);
+
+	maxDirectionals = lightData->numDirectionals;
+	maxLocals = lightData->numLocals;
+
+	lightData->numDirectionals = 0;
+	lightData->numLocals = 0;
+	lightData->ambient.red = 0.0f;
+	lightData->ambient.green = 0.0f;
+	lightData->ambient.blue = 0.0f;
+	lightData->ambient.alpha = 1.0f;
+
+	bool32 normals = atomic->geometry->flags & Geometry::NORMALS;
+
+	FORLIST(lnk, this->globalLights){
+		Light *l = Light::fromWorld(lnk);
+		if((l->getFlags() & Light::LIGHTATOMICS) == 0)
+			continue;
+		if(l->getType() == Light::AMBIENT){
+			lightData->ambient.red   += l->color.red;
+			lightData->ambient.green += l->color.green;
+			lightData->ambient.blue  += l->color.blue;
+		}else if(normals && l->getType() == Light::DIRECTIONAL){
+			if(lightData->numDirectionals < maxDirectionals)
+				lightData->directionals[lightData->numDirectionals++] = l;
+		}
+	}
+
+	if(!normals)
+		return;
+
+	// TODO: for this we would use an atomic's world sectors, but we don't have those yet
+	FORLIST(lnk, this->localLights){
+		if(lightData->numLocals >= maxLocals)
+			return;
+
+		Light *l = Light::fromWorld(lnk);
+		if((l->getFlags() & Light::LIGHTATOMICS) == 0)
+			continue;
+
+		// check if spheres are intersecting
+		Sphere *atomsphere = atomic->getWorldBoundingSphere();
+		V3d dist = sub(l->getFrame()->getLTM()->pos, atomsphere->center);
+		if(length(dist) < atomsphere->radius + l->radius)
+			lightData->locals[lightData->numLocals++] = l;
+	}
+}
+
 }

tools/clumpview/font.cpp

@@ -111,6 +111,19 @@ initFont(void)
 {
 	vga.tex = Texture::read("Bm437_IBM_VGA8", "");
 	bios.tex = Texture::read("Bm437_IBM_BIOS", "");
+
+/*
+	FILE *foo = fopen("font.c", "w");
+	assert(foo);
+	int x, y;
+	rw::Image *img = rw::readTGA("vga_font.tga");
+	assert(img);
+	for(y = 0; y < img->height; y++){
+		for(x = 0; x < img->width; x++)
+			fprintf(foo, "%d, ", !!img->pixels[y*img->width + x]);
+		fprintf(foo, "\n");
+	}
+*/
 }
 
 /*

tools/clumpview/main.cpp

@@ -27,6 +27,8 @@ void genIm3DEnd(void);
 void initFont(void);
 void printScreen(const char *s, float x, float y);
 
+rw::Charset *testfont;
+
 //#include <Windows.h>
 
 void
@@ -177,9 +179,18 @@ InitRW(void)
 	if(!sk::InitRW())
 		return false;
 
+	rw::d3d::isP8supported = false;
+
 	initFont();
 
-	rw::d3d::isP8supported = false;
+	rw::RGBA foreground = { 255, 255, 0, 255 };
+	rw::RGBA background = { 0, 0, 0, 0 };
+	rw::Charset::open();
+	testfont = rw::Charset::create(&foreground, &background);
+	assert(testfont);
+	foreground.blue = 255.0f;
+	testfont->setColors(&foreground, &background);
+
 	tex = rw::Texture::read("maze", nil);
 	tex2 = rw::Texture::read("checkers", nil);
 
@@ -327,7 +338,8 @@ im3dtest(void)
 		verts[i].setV(vs[i].v);
 	}
 
-	rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
+//	rw::SetRenderStatePtr(rw::TEXTURERASTER, tex->raster);
+	rw::SetRenderStatePtr(rw::TEXTURERASTER, testfont->raster);
 //	rw::SetRenderStatePtr(rw::TEXTURERASTER, frontbuffer->raster);
 	rw::SetRenderState(rw::TEXTUREADDRESS, rw::Texture::WRAP);
 	rw::SetRenderState(rw::TEXTUREFILTER, rw::Texture::NEAREST);
@@ -392,6 +404,7 @@ extern void endSoftras(void);
 	im3dtest();
 //	printScreen("Hello, World!", 10, 10);
 
+	testfont->print("foo ABC", 200, 200, true);
 
 	camera->m_rwcam->endUpdate();
 

tools/clumpview/tl_tests.cpp

@@ -37,7 +37,7 @@ enumLights(Matrix *lightmat)
 	ambLight.alpha = 0.0;
 	numDirectionals = 0;
 	// only unpositioned lights right now
-	FORLIST(lnk, world->directionalLights){
+	FORLIST(lnk, world->globalLights){
 		Light *l = Light::fromWorld(lnk);
 		if(l->getType() == Light::DIRECTIONAL){
 			if(numDirectionals >= MAX_LIGHTS)

tools/imguitest/main.cpp

@@ -155,6 +155,10 @@ AppEventHandler(sk::Event e, void *param)
 		return EVENTPROCESSED;
 	case RESIZE:
 		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
 		sk::globals.width = r->w;
 		sk::globals.height = r->h;
 		// TODO: set aspect ratio

tools/lights/main.cpp

@@ -0,0 +1,365 @@
+#include <rw.h>
+#include <skeleton.h>
+#include <assert.h>
+
+rw::V3d zero = { 0.0f, 0.0f, 0.0f };
+struct SceneGlobals {
+	rw::World *world;
+	rw::Camera *camera;
+} Scene;
+rw::EngineOpenParams engineOpenParams;
+float FOV = 70.0f;
+
+rw::V3d Xaxis = { 1.0f, 0.0, 0.0f };
+rw::V3d Yaxis = { 0.0f, 1.0, 0.0f };
+rw::V3d Zaxis = { 0.0f, 0.0, 1.0f };
+
+rw::Light *BaseAmbientLight;
+bool BaseAmbientLightOn;
+
+rw::Light *CurrentLight;
+rw::Light *AmbientLight;
+rw::Light *PointLight;
+rw::Light *DirectLight;
+rw::Light *SpotLight;
+rw::Light *SpotSoftLight;
+
+float LightRadius = 100.0f;
+float LightConeAngle = 45.0f;
+rw::V3d LightPos = {0.0f, 0.0f, 75.0f};
+
+void
+Init(void)
+{
+	sk::globals.windowtitle = "Light test";
+	sk::globals.width = 1280;
+	sk::globals.height = 800;
+	sk::globals.quit = 0;
+}
+
+bool
+attachPlugins(void)
+{
+	rw::ps2::registerPDSPlugin(40);
+	rw::ps2::registerPluginPDSPipes();
+
+	rw::registerMeshPlugin();
+	rw::registerNativeDataPlugin();
+	rw::registerAtomicRightsPlugin();
+	rw::registerMaterialRightsPlugin();
+	rw::xbox::registerVertexFormatPlugin();
+	rw::registerSkinPlugin();
+	rw::registerUserDataPlugin();
+	rw::registerHAnimPlugin();
+	rw::registerMatFXPlugin();
+	rw::registerUVAnimPlugin();
+	rw::ps2::registerADCPlugin();
+	return true;
+}
+
+rw::Light*
+CreateBaseAmbientLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::AMBIENT);
+	assert(light);
+	light->setColor(0.5f, 0.5f, 0.5f);
+	return light;
+}
+
+rw::Light*
+CreateAmbientLight(void)
+{
+	return rw::Light::create(rw::Light::AMBIENT);
+}
+
+rw::Light*
+CreateDirectLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::DIRECTIONAL);
+	assert(light);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 45.0f, rw::COMBINEREPLACE);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	return light;
+}
+
+rw::Light*
+CreatePointLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::POINT);
+	assert(light);
+	light->radius = LightRadius;
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEREPLACE);
+	light->setFrame(frame);
+	return light;
+}
+
+rw::Light*
+CreateSpotLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::SPOT);
+	assert(light);
+	light->radius = LightRadius;
+	light->setAngle(LightConeAngle/180.0f*M_PI);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 45.0f, rw::COMBINEREPLACE);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	return light;
+}
+
+rw::Light*
+CreateSpotSoftLight(void)
+{
+	rw::Light *light = rw::Light::create(rw::Light::SOFTSPOT);
+	assert(light);
+	light->radius = LightRadius;
+	light->setAngle(LightConeAngle/180.0f*M_PI);
+	rw::Frame *frame = rw::Frame::create();
+	assert(frame);
+	frame->rotate(&Xaxis, 45.0f, rw::COMBINEREPLACE);
+	rw::V3d pos = LightPos;
+	frame->translate(&pos, rw::COMBINEPOSTCONCAT);
+	light->setFrame(frame);
+	return light;
+}
+
+bool
+CreateTestScene(rw::World *world)
+{
+	rw::Clump *clump;
+	rw::StreamFile in;
+	const char *filename = "checker.dff";
+	if(in.open(filename, "rb") == NULL){
+		printf("couldn't open file\n");
+		return false;
+	}
+	if(!rw::findChunk(&in, rw::ID_CLUMP, NULL, NULL))
+		return false;
+	clump = rw::Clump::streamRead(&in);
+	in.close();
+	if(clump == nil)
+		return false;
+
+	rw::Clump *clone;
+	rw::Frame *clumpFrame;
+	rw::V3d pos;
+	float zOffset = 75.0f;
+
+	// Bottom panel
+	clumpFrame = clump->getFrame();
+	clumpFrame->rotate(&Xaxis, 90.0f, rw::COMBINEREPLACE);
+
+	pos.x = 0.0f;
+	pos.y = -25.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// only need to add once
+	world->addClump(clump);
+
+	// Top panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, -90.0f, rw::COMBINEREPLACE);
+
+	pos.x = 0.0f;
+	pos.y = 25.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// Left panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, 0.0f, rw::COMBINEREPLACE);
+	clumpFrame->rotate(&Yaxis, 90.0f, rw::COMBINEPOSTCONCAT);
+
+	pos.x = 25.0f;
+	pos.y = 0.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// Right panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, 0.0f, rw::COMBINEREPLACE);
+	clumpFrame->rotate(&Yaxis, -90.0f, rw::COMBINEPOSTCONCAT);
+
+	pos.x = -25.0f;
+	pos.y = 0.0f;
+	pos.z = zOffset;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	// Back panel
+	clone = clump->clone();
+	clumpFrame = clone->getFrame();
+	clumpFrame->rotate(&Xaxis, 0.0f, rw::COMBINEREPLACE);
+
+	pos.x = 0.0f;
+	pos.y = 0.0f;
+	pos.z = zOffset + 25.0f;
+	clumpFrame->translate(&pos, rw::COMBINEPOSTCONCAT);
+
+	return 1;
+}
+
+bool
+InitRW(void)
+{
+//	rw::platform = rw::PLATFORM_D3D8;
+	if(!sk::InitRW())
+		return false;
+
+	Scene.world = rw::World::create();
+
+	BaseAmbientLight = CreateBaseAmbientLight();
+	AmbientLight = CreateAmbientLight();
+	DirectLight = CreateDirectLight();
+	PointLight = CreatePointLight();
+	SpotLight = CreateSpotLight();
+	SpotSoftLight = CreateSpotSoftLight();
+
+	Scene.camera = sk::CameraCreate(sk::globals.width, sk::globals.height, 1);
+	Scene.camera->setNearPlane(0.1f);
+	Scene.camera->setFarPlane(300.0f);
+	Scene.camera->setFOV(FOV, (float)sk::globals.width/sk::globals.height);
+	Scene.world->addCamera(Scene.camera);
+
+	CreateTestScene(Scene.world);
+
+	ImGui_ImplRW_Init();
+	ImGui::StyleColorsClassic();
+
+	return true;
+}
+
+void
+SwitchToLight(rw::Light *light)
+{
+	if(CurrentLight)
+		Scene.world->removeLight(CurrentLight);
+	CurrentLight = light;
+	Scene.world->addLight(CurrentLight);
+}
+
+void
+Gui(void)
+{
+//	ImGui::ShowDemoWindow(&show_demo_window);
+
+	static bool showLightWindow = true;
+	ImGui::Begin("Lights", &showLightWindow);
+	static int lightswitch = 0;
+	if(ImGui::RadioButton("Light Off", &lightswitch, 0)){
+		if(CurrentLight)
+			Scene.world->removeLight(CurrentLight);
+		CurrentLight = nil;
+	}
+	if(ImGui::RadioButton("Ambient Light", &lightswitch, 1)){
+		SwitchToLight(AmbientLight);
+	}
+	ImGui::SameLine();
+	if(ImGui::RadioButton("Directional Light", &lightswitch, 2)){
+		SwitchToLight(DirectLight);
+	}
+	ImGui::SameLine();
+	if(ImGui::RadioButton("Point Light", &lightswitch, 3)){
+		SwitchToLight(PointLight);
+	}
+	if(ImGui::RadioButton("Spot Light", &lightswitch, 4)){
+		SwitchToLight(SpotLight);
+	}
+	ImGui::SameLine();
+	if(ImGui::RadioButton("Soft Spot Light", &lightswitch, 5)){
+		SwitchToLight(SpotSoftLight);
+	}
+	ImGui::End();
+}
+
+void
+Draw(float timeDelta)
+{
+	static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
+
+	rw::RGBA clearcol = rw::makeRGBA(clear_color.x*255, clear_color.y*255, clear_color.z*255, clear_color.w*255);
+	Scene.camera->clear(&clearcol, rw::Camera::CLEARIMAGE|rw::Camera::CLEARZ);
+	Scene.camera->beginUpdate();
+
+	ImGui_ImplRW_NewFrame(timeDelta);
+
+	Scene.world->render();
+
+	Gui();
+
+	ImGui::EndFrame();
+	ImGui::Render();
+
+	Scene.camera->endUpdate();
+	Scene.camera->showRaster();
+}
+
+
+void
+KeyUp(int key)
+{
+}
+
+void
+KeyDown(int key)
+{
+	switch(key){
+	case sk::KEY_ESC:
+		sk::globals.quit = 1;
+		break;
+	}
+}
+
+sk::EventStatus
+AppEventHandler(sk::Event e, void *param)
+{
+	using namespace sk;
+	Rect *r;
+
+	ImGuiEventHandler(e, param);
+
+	switch(e){
+	case INITIALIZE:
+		Init();
+		return EVENTPROCESSED;
+	case RWINITIALIZE:
+		return ::InitRW() ? EVENTPROCESSED : EVENTERROR;
+	case PLUGINATTACH:
+		return attachPlugins() ? EVENTPROCESSED : EVENTERROR;
+	case KEYDOWN:
+		KeyDown(*(int*)param);
+		return EVENTPROCESSED;
+	case KEYUP:
+		KeyUp(*(int*)param);
+		return EVENTPROCESSED;
+	case RESIZE:
+		r = (Rect*)param;
+		// TODO: register when we're minimized
+		if(r->w == 0) r->w = 1;
+		if(r->h == 0) r->h = 1;
+
+		sk::globals.width = r->w;
+		sk::globals.height = r->h;
+		if(Scene.camera){
+			sk::CameraSize(Scene.camera, r);
+			Scene.camera->setFOV(FOV, (float)sk::globals.width/sk::globals.height);
+		}
+		break;
+	case IDLE:
+		Draw(*(float*)param);
+		return EVENTPROCESSED;
+	}
+	return sk::EVENTNOTPROCESSED;
+}