+#include <GL/glew.h>
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
-#include "object.h"
+#include <gmath/gmath.h>
+
+#include "gfxapi.h"
+#include "global.h"
+
+/* TODO: fix those */
+#include "camera.h"
#include "mesh.h"
+#include "object.h"
+#include "renderer.h"
#include "scene.h"
#include "opengl/opengl.h"
/* static functions */
-static bool init();
+static bool init(Gfx_API api);
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;
+
+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 Scene scene;
+
+static float aspect;
+static OrbitCamera *camera;
+
+static Scene *scene_cow;
+static Renderer *rcow;
+
+static Scene *scene_ground;
+static Renderer *rground; // default renderer
+
+/* *** */
int main(int argc, char **argv)
{
+ Gfx_API api;
+
for(int i=0; i<argc; ++i) {
if(strcmp(argv[i], "-opengl") == 0) {
- use_vulkan = false;
+ api = GFX_GL;
printf("Backend: OpenGL.\n");
}
else if(strcmp(argv[i], "-vulkan") == 0) {
- use_vulkan = true;
+ api = GFX_VK;
printf("Backend: Vulkan.\n");
}
else {
+ api = GFX_GL;
printf("No backend specified. Using OpenGL.\n");
}
}
- if(!init()) {
+ if(!init(api)) {
fprintf(stderr, "Failed to initialize program.\n");
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();
glfwPollEvents();
}
- atexit(cleanup);
+ cleanup();
+ // atexit(cleanup);
return 0;
}
-static bool init()
+static bool init(Gfx_API api)
{
- if(use_vulkan) {
- if(!init_vulkan())
- return false;
+ if(!gfx_init(api))
+ return false;
+
+ sdr_man = new ShaderManager;
+
+ camera = new OrbitCamera;
+ camera->set_orbit_params(phi, theta, dist);
+
+ scene_ground = new Scene;
+ if(!scene_ground->load("data/ground.obj")) {
+ fprintf(stderr, "Failed to load scene: ground.obj.\n");
+ return false;
+ }
+
+ scene_cow = new Scene;
+ if(!scene_cow->load("data/spot/spot.obj")) {
+ fprintf(stderr, "Failed to load scene: spot.obj.\n");
+ return false;
}
- else {
- if(!init_opengl())
- return false;
+
+ rground = new Renderer;
+ rground->camera = camera;
+ rground->scene = scene_ground;
+
+ if(!rground->create()) {
+ fprintf(stderr, "Failed to create default renderer.\n");
+ return false;
}
- if(!scene.load("data/spot/spot_control_mesh.obj")) {
- fprintf(stderr, "Failed to load scene.\n");
+ rcow = new Renderer;
+ rcow->camera = camera;
+ rcow->scene = scene_cow;
+
+ if(!rcow->create()) {
+ fprintf(stderr, "Failed to create renderer for cows.\n");
return false;
}
- for(size_t i=0; i<scene.objects.size(); ++i) {
+// TODO delete: debugging
+ for(size_t i=0; i<scene_ground->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("mesh: %s\n", scene_ground->objects[i]->mesh->name.c_str());
+ printf("material: %s\n", scene_ground->objects[i]->material->name.c_str());
printf("transform:\n");
- scene.objects[i]->transform.print();
+ scene_ground->objects[i]->transform.print();
}
return true;
}
static void cleanup()
{
- if(use_vulkan) {
- cleanup_vulkan();
- }
- else {
- cleanup_opengl();
- }
+ delete sdr_man;
+ delete camera;
+
+ delete scene_cow;
+ delete rcow;
+
+ delete scene_ground;
+ delete rground;
+
+ gfx_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)
{
- if(use_vulkan) {
- display_vulkan();
+ 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;
}
- else {
- display_opengl();
+
+ if(button[1]) {
+ dist += dy * 0.1;
+ 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)
+{
+ gfx_viewport(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);
+
+ gfx_clear(0.76, 0.3, 0.43);
+
+ rground->draw();
+ rcow->draw();
+}
\ No newline at end of file