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