+#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 "morph_renderer.h"
+#include "object.h"
#include "scene.h"
+#include "terrain.h"
+#include "texture.h"
#include "opengl/opengl.h"
#include "vulkan/vk.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;
+
+ShaderManager *sdr_man;
+
+double time_sec;
/* variables */
-static Scene scene;
+static bool move_camera;
+
+static float cam_phi = 25;
+static float cam_theta = 0;
+static float cam_dist = 16;
+static Vec3 cam_pos;
+
+static float aspect;
+static OrbitCamera *camera;
+
+static float fog_density;
+
+static Scene *cow_scene;
+static Object *cow_object;
+static MorphRenderer *cow_rend;
+
+static Terrain terrain;
+static Texture *skybox_tex;
+static Texture *terrain_tex;
+static Material terrain_mat;
+static Renderer *terrain_rend;
+
+/* *** */
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;
+
+ fog_density = 0.0037;
+
+ sdr_man = new ShaderManager;
+
+ camera = new OrbitCamera;
+
+ cow_scene = new Scene;
+ if(!cow_scene->load("data/spot/spot.obj")) {
+ fprintf(stderr, "Failed to load scene: spot.obj.\n");
+ return false;
}
- else {
- if(!init_opengl())
- return false;
+
+ cow_rend = new MorphRenderer;
+ cow_rend->camera = camera;
+ cow_rend->scene = cow_scene;
+
+ if(!cow_rend->create()) {
+ fprintf(stderr, "Failed to create renderer for cows.\n");
+ return false;
}
- if(!scene.load("data/spot/spot_control_mesh.obj")) {
- fprintf(stderr, "Failed to load scene.\n");
+ cow_object = cow_scene->objects[0];
+
+ terrain_tex = gfx_create_texture();
+ if(!terrain_tex->load("data/grass.jpeg")) {
+ fprintf(stderr, "Failed to load ground texture.\n");
return false;
}
- 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();
+ Image ter_hmap;
+ if(!ter_hmap.load("data/terhmap.png")) {
+ fprintf(stderr, "Failed to load terrain heightmap.\n");
+ return false;
}
+
+ TerrainParams p;
+ p.xsz = 200;
+ p.ysz = 200;
+ p.max_height = 30;
+ p.xtiles = 40;
+ p.ytiles = 40;
+ p.tile_usub = 10;
+ p.tile_vsub = 10;
+ p.num_octaves = 3;
+ p.noise_freq = 5;
+ p.coarse_heightmap = ter_hmap;
+
+ terrain.init();
+ terrain.generate(p);
+
+ terrain_mat.diffuse = Vec3(1, 1, 1);
+ terrain_mat.specular = Vec3(0, 0, 0);
+ terrain_mat.shininess = 40;
+ terrain_mat.dtex = terrain_tex;
+ terrain_mat.name = "tt";
+
+ terrain.material = terrain_mat;
+
+ terrain_rend = new Renderer;
+ terrain_rend->camera = camera;
+ terrain_rend->scene = terrain.get_visible(camera);
+
+ skybox_tex = gfx_create_texture();
+ skybox_tex->load("data/cubemap/cubemap.hdr");
+ terrain_rend->set_sky_tex(skybox_tex);
+
+ if(!terrain_rend->create()) {
+ fprintf(stderr, "terrain fail\n");
+ return false;
+ }
+
return true;
}
static void cleanup()
{
- if(use_vulkan) {
- cleanup_vulkan();
- }
- else {
- cleanup_opengl();
- }
+ delete sdr_man;
+ delete camera;
+
+ delete cow_scene;
+ delete cow_rend;
+
+//TODO
+ delete terrain_tex;
+ delete terrain_rend;
+ gfx_cleanup();
}
-static void key_clbk(GLFWwindow *win, int key, int scancode, int action, int mods)
+static float cow_speed = 10;
+static Vec3 cow_pos;
+static bool keystate[256];
+
+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);
+ if(action == GLFW_REPEAT) return;
+
+ if(action == GLFW_PRESS) {
+ switch(key) {
+ case GLFW_KEY_ESCAPE:
+ glfwSetWindowShouldClose(win, GLFW_TRUE);
+ return;
+
+ case ' ':
+ move_camera = !move_camera;
+ break;
+
+ case 'F':
+ fog_density = fog_density < 1 - 0.0009 ? fog_density + 0.0001 : 1;
+ break;
+
+ case 'U':
+ fog_density = fog_density > 0.0001 ? fog_density - 0.0001 : 0;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if(key < 256) {
+ keystate[key] = action == GLFW_PRESS;
}
}
-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]) {
+ cam_theta += dx * 0.5;
+ cam_phi += dy * 0.5;
+
+ if(cam_phi < 0)
+ cam_phi = 0;
+ if(cam_phi > 90)
+ cam_phi = 90;
}
- else {
- display_opengl();
+
+ if(button[1]) {
+ cam_dist += dy * 0.1;
+ if(cam_dist < 0.0) {
+ cam_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 update(float dt)
+{
+ Vec3 dir;
+
+ if(keystate['D'])
+ dir.x += cow_speed * dt;
+ if(keystate['A'])
+ dir.x -= cow_speed * dt;
+ if(keystate['W'])
+ dir.z -= cow_speed * dt;
+ if(keystate['S'])
+ dir.z += cow_speed * dt;
+
+ Vec3 *pos = move_camera ? &cam_pos : &cow_pos;
+ float theta = cam_theta / 180.0 * M_PI;
+ pos->x += dir.x * cos(theta) - dir.z * sin(theta);
+ pos->z += dir.x * sin(theta) + dir.z * cos(theta);
+}
+
+static void display()
+{
+ static float prev_tsec;
+ time_sec = glfwGetTime();
+ float dt = time_sec - prev_tsec;
+ prev_tsec = time_sec;
+
+ update(dt);
+
+ cam_pos.y = terrain.get_height(cam_pos) + 0.5;
+ camera->set_orbit_params(cam_theta, cam_phi, cam_dist);
+ camera->set_position(cam_pos.x, cam_pos.y, cam_pos.z);
+
+ gfx_clear(0.1, 0.1, 0.1);
+
+ printf("fog_density: %f\n", fog_density);
+ terrain_rend->fog_density = fog_density;
+ terrain_rend->draw();
+
+ cow_pos.y = terrain.get_height(cow_pos);
+ cow_object->transform.translation(cow_pos);
+ cow_rend->draw();
+}
\ No newline at end of file
projects / demo / blobdiff