From 032d346151091ecf8053d0137be5b1810586a13b Mon Sep 17 00:00:00 2001
From: Linloir <3145078758@qq.com>
Date: Sun, 18 Dec 2022 10:03:17 +0800
Subject: [PATCH] [CORE][ADD] Add light API & function to renderable

---
 FinalProject/renderable.cpp | 24 ++++++++++++++++++++++++
 FinalProject/renderable.h   |  9 ++++++++-
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/FinalProject/renderable.cpp b/FinalProject/renderable.cpp
index 289a8c5..ed3074c 100644
--- a/FinalProject/renderable.cpp
+++ b/FinalProject/renderable.cpp
@@ -6,6 +6,13 @@ Renderable::Renderable(Model* model) : _model(model) {}
 
 Renderable::Renderable(Model* model, glm::vec3 position) : _model(model), _position(position) {}
 
+Renderable::~Renderable() {
+    if (_light != nullptr) {
+        delete _light;
+        _light = nullptr;
+    }
+}
+
 void Renderable::setModel(Model* model) {
     _model = model;
 }
@@ -34,6 +41,19 @@ void Renderable::setScale(float scale) {
     _scale = glm::vec3(scale);
 }
 
+ScopedLight Renderable::transformedLight() const {
+    // Transform the light position to the world space
+    return _light->toWorldSpace(modelMatrix());
+}
+
+ScopedLight* Renderable::originalLight() const {
+    return _light;
+}
+
+void Renderable::makeLight() {
+    _light = new ScopedLight(glm::vec3(0.0f));
+}
+
 void Renderable::render(ShaderProgram shader) {
     // Check if initialized
     if (_model == nullptr) {
@@ -50,6 +70,10 @@ void Renderable::render(ShaderProgram shader) {
 // check here to get global boundary
 // must check before get boundary
 void Renderable::checkBoundary() {
+    if (_model == nullptr) {
+        return;
+    }
+
     std::vector<glm::vec3> temp = {_model->upperBoundVex(),_model->lowerBoundVex()};
     
     _lowerBoundVex = glm::vec3(3e36, 3e36, 3e36);
diff --git a/FinalProject/renderable.h b/FinalProject/renderable.h
index 6196c0a..008c64f 100644
--- a/FinalProject/renderable.h
+++ b/FinalProject/renderable.h
@@ -4,6 +4,7 @@
 #include <GLM/ext/matrix_transform.hpp>
 
 #include "model.h"
+#include "illuminer.h"
 #include "shader.h"
 
 class Renderable {
@@ -17,6 +18,7 @@ private:
 
 private:
     Model* _model = nullptr;
+    ScopedLight* _light = nullptr;
     glm::vec3 _position = glm::vec3(0.0f);
     glm::mat4 _rotation = glm::mat4(1.0f);
     glm::vec3 _scale = glm::vec3(1.0f);
@@ -26,6 +28,7 @@ private:
 public:
     Renderable(Model* model);
     Renderable(Model* model, glm::vec3 position);
+    ~Renderable();
 
 public:
     void setModel(Model* model);
@@ -36,6 +39,11 @@ public:
     void scale(float deltaScale);
     void setScale(float scale);
 
+    ScopedLight transformedLight() const; // pass out the light object to scene manager to gather all light sources
+    ScopedLight* originalLight() const; // pass out the light object to scene manager to set light attributes
+    bool hasLight() const { return _light != nullptr; }
+    void makeLight();   // create a light source in the object
+    
     inline glm::mat4 modelMatrix() const;
 
     inline glm::vec3 upperBoundVex()const;
@@ -43,7 +51,6 @@ public:
 
 public:
     void render(ShaderProgram shader);
-    // check here to get global boundary
     void checkBoundary();
 };