X-Git-Url: http://git.mutantstargoat.com?a=blobdiff_plain;f=src%2Fmain.cc;h=107fb9d765a53c0a1d02f13d388d573cc991b2e8;hb=47982b199010496e34eefb95044275fb231cba18;hp=2926420e0280f8954b4d237917b3807ade77c245;hpb=64e2adbbab48320b6cd792e515b44cea112a3be4;p=demo

diff --git a/src/main.cc b/src/main.cc
index 2926420..107fb9d 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1,48 +1,103 @@
+#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 "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;
+
+float phi = 25;
+float theta = 0;
+float dist = 16;
+
+ShaderManager *sdr_man;
 
 /* variables */
 
+static float aspect;
+static OrbitCamera *camera;
+
+static Scene *scene_cow;
+static Renderer *rcow;
+
+static Scene *scene_ground;
+static Renderer *rground; // default renderer
+static Texture *gskybox;
+
+static Renderer *tr;
+static Material tmat;
+static Terrain t;
+
+/* *** */
+
 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();
@@ -51,47 +106,173 @@ int main(int argc, char **argv)
 		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;
+
+	// scene_ground = new Scene;
+	// if(!scene_ground->load("data/ground.obj")) {
+	// 	fprintf(stderr, "Failed to load scene: ground.obj.\n");
+	// 	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;
+	// }
+
+	// gskybox = gfx_create_texture();
+	// gskybox->load("data/cubemap/cubemap.hdr");
+	// rground->set_sky_tex(gskybox);
+
+	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;
+
+	rcow = new Renderer;
+	rcow->camera = camera;
+	rcow->scene = scene_cow;
+
+	if(!rcow->create()) {
+		fprintf(stderr, "Failed to create renderer for cows.\n");
+		return false;
+	}
+
+	TerrainParams p;
+	p.xsz = 50;
+	p.ysz = 50;
+	p.max_height = 2;
+	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 = 0;
+
+	t.init();
+	t.generate(p);
+
+	tmat.diffuse = Vec3(1, 0, 0);
+	tmat.specular = Vec3(0.5, 0, 0);
+	tmat.shininess = 40;
+	tmat.dtex = 0;
+	tmat.name = "tt";
+
+	t.material = tmat;
+
+	tr = new Renderer;
+	tr->camera = camera;
+	tr->scene = t.get_visible(camera);
+	if(!tr->create()) {
+		fprintf(stderr, "terrain fail\n");
+		return false;
 	}
 
+
+// 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_ground->objects[i]->mesh->name.c_str());
+	// 	printf("material: %s\n", scene_ground->objects[i]->material->name.c_str());
+	// 	printf("transform:\n");
+	// 	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;
+
+//TODO
+	delete tr;
+	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 * 0.5;
+		phi += dy * 0.5;
+
+		if(phi < 0)
+			phi = 0;
+		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(theta, phi, dist);
+
+	// gfx_clear(0.76, 0.3, 0.43);
+	gfx_clear(0.1, 0.1, 0.1);
+
+	tr->draw();
+//	rground->draw();
+	// rcow->draw();
+}
\ No newline at end of file