+#include <GL/glew.h>
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
+#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 "shader_manager.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 motion_clbk(GLFWwindow *win, double x, double y);
-static void mouse_clbk(GLFWwindow *win, int button, 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;
-OrbitCamera *camera;
+float phi = 25;
+float theta = 0;
+float dist = 16;
+
ShaderManager *sdr_man;
/* variables */
-static float phi = 25;
-static float theta = 0;
-static float dist = 4;
-// TODO: remove just for test:
-static Scene scene;
+static float aspect;
+static OrbitCamera *camera;
+
+static Scene *cow_scene;
+static Renderer *cow_rend;
+
+static Scene *ground_scene;
+static Renderer *ground_rend; // default renderer
+static Texture *skybox_tex;
+
+static Renderer *terrain_rend;
+static Material terrain_mat;
+static Texture *terrain_tex;
+static Terrain terrain;
+
+/* *** */
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);
- glfwSetCursorPosCallback(win, motion_clbk);
- glfwSetMouseButtonCallback(win, mouse_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)
{
- /* TODO */
- /*
- TODO changes:
- 1- create cam
- 2- scene
- 3- renderers
- */
- if(use_vulkan) {
- if(!init_vulkan())
- return false;
- }
- else {
- if(!init_opengl())
- return false;
- }
+ if(!gfx_init(api))
+ return false;
sdr_man = new ShaderManager;
camera = new OrbitCamera;
- camera->set_orbit_params(phi, theta, dist);
- if(!scene.load("data/spot/spot_control_mesh.obj")) {
- fprintf(stderr, "Failed to load scene.\n");
+ // ground_scene = new Scene;
+ // if(!ground_scene->load("data/ground.obj")) {
+ // fprintf(stderr, "Failed to load scene: ground.obj.\n");
+ // return false;
+ // }
+
+ // ground_rend = new Renderer;
+ // ground_rend->camera = camera;
+ // ground_rend->scene = ground_scene;
+
+ // if(!ground_rend->create()) {
+ // fprintf(stderr, "Failed to create default renderer.\n");
+ // return false;
+ // }
+
+ // skybox_tex = gfx_create_texture();
+ // skybox_tex->load("data/cubemap/cubemap.hdr");
+ // ground_rend->set_sky_tex(skybox_tex);
+
+ cow_scene = new Scene;
+ if(!cow_scene->load("data/spot/spot.obj")) {
+ fprintf(stderr, "Failed to load scene: spot.obj.\n");
+ return false;
+ }
+
+ cow_rend = new Renderer;
+ cow_rend->camera = camera;
+ cow_rend->scene = cow_scene;
+
+ if(!cow_rend->create()) {
+ fprintf(stderr, "Failed to create renderer for cows.\n");
+ return false;
+ }
+
+ terrain_tex = gfx_create_texture();
+ if(!terrain_tex->load("data/grass.jpeg")) {
+ fprintf(stderr, "Failed to load ground texture.\n");
+ return false;
+ }
+
+ Image ter_hmap;
+ if(!ter_hmap.load("data/terhmap.png")) {
+ fprintf(stderr, "Failed to load terrain heightmap.\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();
+ TerrainParams p;
+ p.xsz = 50;
+ p.ysz = 50;
+ p.max_height = 5;
+ p.xtiles = 20;
+ p.ytiles = 20;
+ p.tile_usub = 10;
+ p.tile_vsub = 10;
+ p.num_octaves = 3;
+ p.noise_freq = 10;
+ 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);
+ if(!terrain_rend->create()) {
+ fprintf(stderr, "terrain fail\n");
+ return false;
}
+
+
+// TODO delete: debugging
+ // for(size_t i=0; i<ground_scene->objects.size(); ++i) {
+ // printf("object: %d\n", (int)i);
+ // printf("mesh: %s\n", ground_scene->objects[i]->mesh->name.c_str());
+ // printf("material: %s\n", ground_scene->objects[i]->material->name.c_str());
+ // printf("transform:\n");
+ // ground_scene->objects[i]->transform.print();
+ // }
return true;
}
delete sdr_man;
delete camera;
- if(use_vulkan) {
- cleanup_vulkan();
- }
- else {
- cleanup_opengl();
- }
+ delete cow_scene;
+ delete cow_rend;
+
+ // delete ground_scene;
+ // delete ground_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 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 double prev_x, prev_y;
-static int button;
+static bool button[8];
-static void motion_clbk(GLFWwindow *win, double x, double y)
+static void clbk_motion(GLFWwindow *win, double x, double y)
{
- switch(button) {
- case GLFW_MOUSE_BUTTON_LEFT:
- theta += x - prev_x;
- phi += y - prev_y;
+ double dx = x - prev_x;
+ double dy = y - prev_y;
+
+ prev_x = x;
+ prev_y = y;
+
+ if(button[0]) {
+ theta += dx * 0.5;
+ phi += dy * 0.5;
- if(phi < -90)
- phi = -90;
+ if(phi < 0)
+ phi = 0;
if(phi > 90)
phi = 90;
+ }
- break;
-
- case GLFW_MOUSE_BUTTON_RIGHT:
- dist *= (y - prev_y) * 0.01 + 1;
+ if(button[1]) {
+ dist += dy * 0.1;
if(dist < 0.0) {
dist = 0.0;
}
- break;
}
-
- prev_x = x;
- prev_y = y;
}
-static void mouse_clbk(GLFWwindow *win, int bn, int action, int mods)
+static void clbk_mouse(GLFWwindow *win, int bn, int action, int mods)
{
- button = bn;
+ 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()
{
- if(use_vulkan) {
- display_vulkan();
- }
- else {
- display_opengl();
- scene.objects[0]->mesh->draw();
- }
+ camera->set_orbit_params(theta, phi, dist);
+
+ // gfx_clear(0.76, 0.3, 0.43);
+ gfx_clear(0.1, 0.1, 0.1);
+
+ terrain_rend->draw();
+// ground_rend->draw();
+ cow_rend->draw();
}
\ No newline at end of file
projects / demo / blobdiff