X-Git-Url: http://git.lukelau.me/?p=opengl.git;a=blobdiff_plain;f=main.cpp;h=281da276905660e1e4a5935c1caf961f9c53d97f;hp=fd6159dcd3cf665ff0a822f52137646ed6b8c275;hb=5e2b8438a1600a790dc105d25b7d5cd2278864aa;hpb=4b4ca69c7cb67e03931d089a27cefa23be0544ac diff --git a/main.cpp b/main.cpp index fd6159d..281da27 100644 --- a/main.cpp +++ b/main.cpp @@ -20,6 +20,7 @@ #include "program.hpp" #include "skybox.hpp" #include "image.hpp" +#include "util.hpp" #pragma clang diagnostic ignored "-Wdeprecated-declarations" @@ -40,17 +41,11 @@ float fov = glm::radians(30.f), znear = 0.01f, zfar = 10000.f; float yaw = 1.57, pitch = 0; struct Light { - glm::vec3 pos; + glm::mat4 trans; glm::vec3 color; }; -std::vector lights = { - { glm::vec3(5, 2, -5), glm::vec3(1) }, - { glm::vec3(0, 2, -5), glm::vec3(1) }, - { glm::vec3(-5, 2, -5), glm::vec3(1) }, -}; - -int activeLight = 0; +std::vector lights; bool discoLights = false; @@ -96,8 +91,7 @@ void drawLight(Light &light) { glUseProgram(plainProg->progId); glBindVertexArray(lightVao); setProjectionAndViewUniforms(plainProg->progId); - glm::mat4 model = glm::translate(glm::mat4(1.f), light.pos); - model = glm::scale(model, glm::vec3(0.2)); + glm::mat4 model = glm::scale(light.trans, glm::vec3(0.2)); GLuint modelLoc = glGetUniformLocation(plainProg->progId, "model"); glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model)); @@ -115,46 +109,50 @@ void display() { float d = (float)glutGet(GLUT_ELAPSED_TIME) * 0.001f; + glUseProgram(getUtilProg()->progId); + setProjectionAndViewUniforms(getUtilProg()->progId); + glUseProgram(pbrProg->progId); setProjectionAndViewUniforms(pbrProg->progId); - glm::vec3 lightPositions[6], lightColors[6]; - for (int i = 0; i < 3; i++) { - lightPositions[i] = lights[i].pos; + size_t numLights = lights.size() + (discoLights ? 3 : 0); + glm::vec3 lightPositions[numLights], lightColors[numLights]; + for (int i = 0; i < lights.size(); i++) { + lightPositions[i] = glm::vec3(lights[i].trans[3]); lightColors[i] = lights[i].color; } - for (int i = 3; i < 6; i++) { if (discoLights) { + for (int i = numLights - 3; i < numLights; i++) { auto m = glm::translate(glm::mat4(1.f), glm::vec3(-2.5, 0, 0)); m = glm::rotate(m, glm::radians(d * 100 + i * 30), glm::vec3(1, 0, 0)); m = glm::rotate(m, glm::radians(d * 100 + i * 30), glm::vec3(0, 1, 0)); m = glm::rotate(m, glm::radians(d * 100 + i * 30), glm::vec3(0, 0, 1)); lightPositions[i] = glm::vec3(m * glm::vec4(5, 0, 0, 1)); lightColors[i] = glm::vec3(0.2); - if (i == 3) lightColors[i].x = sin(d); - if (i == 4) lightColors[i].y = cos(d * 3); - if (i == 5) lightColors[i].z = cos(d); - } else { - lightPositions[i] = glm::vec3(0); - lightColors[i] = glm::vec3(0); + if (i % 3 == 0) lightColors[i].x = sin(d); + if (i % 3 == 1) lightColors[i].y = cos(d * 3); + if (i % 3 == 2) lightColors[i].z = cos(d); } } - glUniform3fv(glGetUniformLocation(pbrProg->progId, "lightPositions"), 6, glm::value_ptr(lightPositions[0])); - glUniform3fv(glGetUniformLocation(pbrProg->progId, "lightColors"), 6, glm::value_ptr(lightColors[0])); + glUniform1ui(glGetUniformLocation(pbrProg->progId, "numLights"), numLights); + glUniform3fv(glGetUniformLocation(pbrProg->progId, "lightPositions"), numLights, glm::value_ptr(lightPositions[0])); + glUniform3fv(glGetUniformLocation(pbrProg->progId, "lightColors"), numLights, glm::value_ptr(lightColors[0])); - /* pbr->getRoot()->model = glm::rotate(glm::mat4(1.f), glm::radians(d * 10), glm::vec3(0, 1, 0)); */ + /* sceneModel->find("Top Bone")->transform = glm::rotate(glm::mat4(1), d / 5.f, { 1, 0, 0}); */ + /* sceneModel->find("Bottom Bone")->transform = glm::rotate(glm::mat4(1), d / 3.f, { 1, 0, 0}); */ sceneModel->draw(skyboxes[activeSkybox], d * 1000); for (Light &light: lights) drawLight(light); - if (discoLights) { - for (int i = 3; i < 6; i++) { - Light l { lightPositions[i], lightColors[i] }; - drawLight(l); - } - } + // TODO: restore + /* if (discoLights) { */ + /* for (int i = numLights - 3; i < numLights; i++) { */ + /* Light l = { lightPositions[i], lightColors[i] }; */ + /* drawLight(l); */ + /* } */ + /* } */ skyboxes[activeSkybox].draw(projMat(), viewMat()); @@ -193,11 +191,14 @@ int findNodeTrans(struct aiNode *n, const struct aiString name, glm::mat4 *dest) } void init() { + initUtilProg(); + plainProg = new Program("plainvertex.glsl", "plainfrag.glsl"); glUseProgram(plainProg->progId); setupLightBuffers(plainProg->progId); plainProg->validate(); + skyboxes.push_back(Skybox(Image("skyboxes/loft/Newport_Loft_Ref.hdr"))); skyboxes.push_back(Skybox(Image("skyboxes/wooden_lounge_8k.hdr"))); skyboxes.push_back(Skybox(Image("skyboxes/machine_shop_02_8k.hdr"))); skyboxes.push_back(Skybox(Image("skyboxes/pink_sunrise_8k.hdr"))); @@ -205,14 +206,15 @@ void init() { pbrProg = new Program("pbrvert.glsl", "pbrfrag.glsl"); glUseProgram(pbrProg->progId); - const aiScene *scene = importer.ReadFile("models/newtonsCradle.glb", aiProcess_Triangulate | aiProcess_CalcTangentSpace | aiProcess_GenNormals | aiProcess_FlipUVs); + const std::string scenePath = "models/newtonsCradle.glb"; + const aiScene *scene = importer.ReadFile(scenePath, aiProcess_Triangulate | aiProcess_CalcTangentSpace | aiProcess_GenNormals | aiProcess_FlipUVs); if (!scene) { std::cerr << importer.GetErrorString() << std::endl; exit(1); } if (scene->mNumCameras > 0) { - struct aiCamera *cam = scene->mCameras[0]; + aiCamera *cam = scene->mCameras[0]; glm::mat4 camTrans; if (findNodeTrans(scene->mRootNode, cam->mName, &camTrans) != 0) abort(); // there must be a node with the same name as camera @@ -230,6 +232,14 @@ void init() { zfar = cam->mClipPlaneFar; } + for (int i = 0; i < scene->mNumLights; i++) { + aiLight *light = scene->mLights[i]; + glm::mat4 trans; findNodeTrans(scene->mRootNode, light->mName, &trans); + glm::vec3 col = { light->mColorAmbient.r, light->mColorAmbient.g, light->mColorAmbient.b }; + Light l = { trans, col }; + lights.push_back(l); + } + sceneModel = new Model(scene, *pbrProg); glEnable(GL_DEPTH_TEST); @@ -246,8 +256,6 @@ void keyboard(unsigned char key, int x, int y) { keyStates[key] = true; if (key == 'z') activeSkybox = (activeSkybox + 1) % skyboxes.size(); - if (key == 'x') - activeLight = (activeLight + 1) % lights.size(); if (key == 'c') discoLights = !discoLights; } @@ -256,7 +264,10 @@ void keyboardUp(unsigned char key, int x, int y) { keyStates[key] = false; } +#define ENABLE_MOVEMENT + void timer(int _) { +#ifdef ENABLE_MOVEMENT float xSpeed = 0.f, ySpeed = 0.f, zSpeed = 0.f; if (keyStates['w']) zSpeed = 0.1f; @@ -271,16 +282,10 @@ void timer(int _) { if (keyStates['e']) ySpeed = -0.1f; - if (keyStates['j']) lights[activeLight].pos.z += 0.1f; - if (keyStates['k']) lights[activeLight].pos.z -= 0.1f; - if (keyStates['h']) lights[activeLight].pos.x -= 0.1f; - if (keyStates['l']) lights[activeLight].pos.x += 0.1f; - if (keyStates['m']) lights[activeLight].pos.y -= 0.1f; - if (keyStates['n']) lights[activeLight].pos.y += 0.1f; - camPos.x += xSpeed * sin(yaw) + zSpeed * cos(yaw); camPos.y += ySpeed; camPos.z += zSpeed * sin(yaw) - xSpeed * cos(yaw); +#endif glutPostRedisplay(); glutTimerFunc(16, timer, 0); } @@ -289,6 +294,7 @@ int prevMouseX, prevMouseY; bool firstMouse = true; void motion(int x, int y) { +#ifdef ENABLE_MOVEMENT if (firstMouse) { prevMouseX = x; prevMouseY = y; @@ -314,6 +320,7 @@ void motion(int x, int y) { } else { camUp = glm::vec3(0, 1, 0); } +#endif } void mouse(int button, int state, int x, int y) {