X-Git-Url: http://git.mutantstargoat.com?p=demo;a=blobdiff_plain;f=src%2Fmain.cc;h=e5572e25f94cf8342f1fe230e1aafed9d07dff92;hp=1e45c4bee3f2f348dcd685d68df675e66e807cef;hb=fd601d4218b63fdf92c5e4dfa32eac8adbda82fa;hpb=3082e3c645d1933610b261e6c93c040f32093637

diff --git a/src/main.cc b/src/main.cc
index 1e45c4b..e5572e2 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1,3 +1,5 @@
+#include <GL/glew.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -5,21 +7,24 @@
 
 #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();
 
@@ -32,43 +37,57 @@ 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 = 4;
+float dist = 16;
 
 ShaderManager *sdr_man;
 
 /* variables */
+
 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;
 
-// TODO: remove just for test:
-static Scene scene;
+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;
 	}
@@ -78,6 +97,9 @@ int main(int argc, char **argv)
 	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();
 
@@ -85,39 +107,106 @@ 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;
-	}
-	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;
 	}
 
-// 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();
+	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;
 	}
+
+	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;
 }
 
@@ -126,12 +215,16 @@ static void cleanup()
 	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 clbk_key(GLFWwindow *win, int key, int scancode, int action, int mods)
@@ -142,60 +235,58 @@ static void clbk_key(GLFWwindow *win, int key, int scancode, int action, int mod
 }
 
 static double prev_x, prev_y;
-static int button;
+static bool button[8];
 
 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 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)
 {
-	if(use_vulkan) {
-		//TODO
-		return;
-	}
-	else {
-		glViewport(0, 0, width, height);
-		aspect = (float)width / (float)height;
-		mprojection = calc_projection_matrix(1000, 0.5, aspect, 45);
-	}
+	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