quick backup

[demo] / src / main.cc

diff --git a/src/main.cc b/src/main.cc
index 2926420..2727f4b 100644 (file)
--- a/src/main.cc
+++ b/src/main.cc
@@ -3,6 +3,18 @@
 #include <string.h>
 #include <vector>
 
+#include <gmath/gmath.h>
+
+#include "global.h"
+
+/* TODO: fix those */
+#include "camera.h"
+#include "mesh.h"
+#include "object.h"
+#include "renderer.h"
+#include "scene.h"
+#include "shader_manager.h"
+
 #include "opengl/opengl.h"
 #include "vulkan/vk.h"
 
@@ -13,19 +25,37 @@ static void cleanup();
 static void display();
 
 /* glfw callbacks */
-static void key_clbk(GLFWwindow *win, int key, int scancode, int action, int mods);
+
+static void clbk_key(GLFWwindow *win, int key, int scancode, int action, int mods);
+static void clbk_motion(GLFWwindow *win, double x, double y);
+static void clbk_mouse(GLFWwindow *win, int button, int action, int mods);
+static void clbk_reshape(GLFWwindow *win, int width, int height);
 
 /* global variables */
-bool use_vulkan;
+
+bool use_vulkan = false;
+Mat4 mprojection;
+
 GLFWwindow *win;
+int win_w = 800;
+int win_h = 600;
+
+float phi = 25;
+float theta = 0;
+float dist = 4;
+
+ShaderManager *sdr_man;
 
 /* variables */
+static float aspect;
+static Scene *scene;
+static OrbitCamera *camera;
+static Renderer *rdefault; // default renderer
 
 int main(int argc, char **argv)
 {
        for(int i=0; i<argc; ++i) {
                if(strcmp(argv[i], "-opengl") == 0) {
-                       use_vulkan = false;
                        printf("Backend: OpenGL.\n");
                }
                else if(strcmp(argv[i], "-vulkan") == 0) {
@@ -42,7 +72,13 @@ int main(int argc, char **argv)
                return 1;
        }
 
-       glfwSetKeyCallback(win, key_clbk);
+       glfwSetKeyCallback(win, clbk_key);
+       glfwSetCursorPosCallback(win, clbk_motion);
+       glfwSetMouseButtonCallback(win, clbk_mouse);
+       glfwSetWindowSizeCallback(win, clbk_reshape);
+
+       glfwGetWindowSize(win, &win_w, &win_h);
+       clbk_reshape(win, win_w, win_h);
 
        while(!glfwWindowShouldClose(win)) {
                display();
@@ -51,7 +87,8 @@ int main(int argc, char **argv)
                glfwPollEvents();
        }
 
-       atexit(cleanup);
+       cleanup();
+       // atexit(cleanup);
        return 0;
 }
 
@@ -66,11 +103,43 @@ static bool init()
                        return false;
        }
 
+       sdr_man = new ShaderManager;
+
+       camera = new OrbitCamera;
+       camera->set_orbit_params(phi, theta, dist);
+
+       scene = new Scene;
+       if(!scene->load("data/spot/spot.obj")) {
+               fprintf(stderr, "Failed to load scene.\n");
+               return false;
+       }
+
+       rdefault = new Renderer;
+       rdefault->camera = camera;
+       rdefault->scene = scene;
+
+       if(!rdefault->create()) {
+               fprintf(stderr, "Failed to create default renderer.\n");
+               return false;
+       }
+
+// TODO delete: debugging
+       for(size_t i=0; i<scene->objects.size(); ++i) {
+               printf("object: %d\n", (int)i);
+               printf("mesh: %s\n", scene->objects[i]->mesh->name.c_str());
+               printf("material: %s\n", scene->objects[i]->material->name.c_str());
+               printf("transform:\n");
+               scene->objects[i]->transform.print();
+       }
        return true;
 }
 
 static void cleanup()
 {
+       delete sdr_man;
+       delete camera;
+       delete rdefault;
+
        if(use_vulkan) {
                cleanup_vulkan();
        }
@@ -79,19 +148,66 @@ static void cleanup()
        }
 }
 
-static void key_clbk(GLFWwindow *win, int key, int scancode, int action, int mods)
+static void clbk_key(GLFWwindow *win, int key, int scancode, int action, int mods)
 {
        if(key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {
                glfwSetWindowShouldClose(win, GLFW_TRUE);
        }
 }
 
-static void display()
+static double prev_x, prev_y;
+static bool button[8];
+
+static void clbk_motion(GLFWwindow *win, double x, double y)
+{
+       double dx = x - prev_x;
+       double dy = y - prev_y;
+
+       prev_x = x;
+       prev_y = y;
+
+       if(button[0]) {
+               theta += dx;
+               phi += dy;
+
+               if(phi < -90)
+                       phi = -90;
+               if(phi > 90)
+                       phi = 90;
+       }
+
+       if(button[1]) {
+               dist += dy;
+               if(dist < 0.0) {
+                       dist = 0.0;
+               }
+       }
+}
+
+static void clbk_mouse(GLFWwindow *win, int bn, int action, int mods)
+{
+       button[bn] = action == GLFW_PRESS;
+       glfwGetCursorPos(win, &prev_x, &prev_y);
+}
+
+static void clbk_reshape(GLFWwindow *win, int width, int height)
 {
        if(use_vulkan) {
-               display_vulkan();
+               //TODO
+               return;
        }
        else {
-               display_opengl();
+               glViewport(0, 0, width, height);
+               aspect = (float)width / (float)height;
+               mprojection = calc_projection_matrix(45, aspect, 0.5, 1000.0);
        }
+
+       win_h = height;
+       win_w = width;
 }
+
+static void display()
+{
+       camera->set_orbit_params(phi, theta, dist);
+       rdefault->draw();
+}
\ No newline at end of file