X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fapp.cc;h=08693997da1ae9b5bccdd6770f46363302ff9daf;hp=6125823c37583d51f76a1dcfc616e3694d231077;hb=ab9fd0ac34f8107ff8067607fad229d08b1c3935;hpb=b7c92831285013b2a0783bccaf3d900545ebb5ba

diff --git a/src/app.cc b/src/app.cc
index 6125823..0869399 100644
--- a/src/app.cc
+++ b/src/app.cc
@@ -1,3 +1,194 @@
+#include <stdio.h>
+#include <assert.h>
 #include "app.h"
+#include "opengl.h"
+#include "sdr.h"
+#include "texture.h"
+#include "mesh.h"
+#include "meshgen.h"
+#include "scene.h"
 
+static void draw_scene();
+
+long time_msec;
+int win_width, win_height;
 bool opt_gear_wireframe;
+
+static float cam_dist = 10.0;
+static float cam_theta, cam_phi = 20;
+static Vec3 cam_pos;
+static int prev_mx, prev_my;
+static bool bnstate[8];
+static bool keystate[256];
+
+static Mat4 view_matrix;
+static TextureSet texman;
+static Scene *scn;
+
+static long prev_msec;
+
+
+bool app_init()
+{
+	glEnable(GL_MULTISAMPLE);
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_CULL_FACE);
+	glEnable(GL_LIGHTING);
+	glEnable(GL_NORMALIZE);
+
+	Mesh::use_custom_sdr_attr = false;
+
+	float ambient[] = {0.1, 0.1, 0.1, 0.0};
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
+
+	unsigned int sflags = 0;
+	scn = new Scene;
+	if(!(scn->load("data/testscene/patoma.fbx", sflags)) ||
+			!(scn->load("data/testscene/kolones.fbx", sflags))) {
+		fprintf(stderr, "failed to load test scene\n");
+		return false;
+	}
+
+	glUseProgram(0);
+	return true;
+}
+
+void app_cleanup()
+{
+	texman.clear();
+}
+
+static void update(float dt)
+{
+	texman.update();
+
+	scn->update(dt);
+
+	float walk_speed = 10.0 * dt;
+	Vec3 dir;
+
+	if(keystate[(int)'w']) {
+		dir.z -= walk_speed;
+	}
+	if(keystate[(int)'s']) {
+		dir.z += walk_speed;
+	}
+	if(keystate[(int)'d']) {
+		dir.x += walk_speed;
+	}
+	if(keystate[(int)'a']) {
+		dir.x -= walk_speed;
+	}
+
+	float theta = M_PI * cam_theta / 180.0f;
+	cam_pos.x += cos(theta) * dir.x - sin(theta) * dir.z;
+	cam_pos.z += sin(theta) * dir.x + cos(theta) * dir.z;
+}
+
+static void set_light(int idx, const Vec3 &pos, const Vec3 &color)
+{
+	unsigned int lt = GL_LIGHT0 + idx;
+	float posv[] = { pos.x, pos.y, pos.z, 1 };
+	float colv[] = { color.x, color.y, color.z, 1 };
+
+	glEnable(lt);
+	glLightfv(lt, GL_POSITION, posv);
+	glLightfv(lt, GL_DIFFUSE, colv);
+	glLightfv(lt, GL_SPECULAR, colv);
+}
+
+void app_display()
+{
+	float dt = (float)(time_msec - prev_msec) / 1000.0f;
+	prev_msec = time_msec;
+
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	view_matrix = Mat4::identity;
+	view_matrix.pre_translate(0, 0, -cam_dist);
+	view_matrix.pre_rotate(deg_to_rad(cam_phi), 1, 0, 0);
+	view_matrix.pre_rotate(deg_to_rad(cam_theta), 0, 1, 0);
+	view_matrix.pre_translate(-cam_pos.x, 0, -cam_pos.z);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadMatrixf(view_matrix[0]);
+
+	static const Vec3 lpos[] = { Vec3(-50, 75, 100), Vec3(100, 0, 30), Vec3(-10, -10, 60) };
+	set_light(0, lpos[0], Vec3(1.0, 0.8, 0.7) * 0.8);
+	set_light(1, lpos[1], Vec3(0.6, 0.7, 1.0) * 0.6);
+	set_light(2, lpos[2], Vec3(0.8, 1.0, 0.8) * 0.3);
+
+	update(dt);
+
+	draw_scene();
+
+	app_swap_buffers();
+	assert(glGetError() == GL_NO_ERROR);
+}
+
+
+static void draw_scene()
+{
+	/*
+	glBegin(GL_QUADS);
+	glNormal3f(0, 1, 0);
+	glVertex3f(-30, -10, 30);
+	glVertex3f(30, -10, 30);
+	glVertex3f(30, -10, -30);
+	glVertex3f(-30, -10, -30);
+	glEnd();
+	*/
+	scn->draw();
+}
+
+
+void app_reshape(int x, int y)
+{
+	glViewport(0, 0, x, y);
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	gluPerspective(50.0, (float)x / (float)y, 0.5, 1000.0);
+}
+
+void app_keyboard(int key, bool pressed)
+{
+	if(pressed) {
+		switch(key) {
+		case 27:
+			app_quit();
+			break;
+		}
+	}
+
+	keystate[key] = pressed;
+}
+
+void app_mouse_button(int bn, bool pressed, int x, int y)
+{
+	prev_mx = x;
+	prev_my = y;
+	bnstate[bn] = pressed;
+}
+
+void app_mouse_motion(int x, int y)
+{
+	int dx = x - prev_mx;
+	int dy = y - prev_my;
+	prev_mx = x;
+	prev_my = y;
+
+	if(!dx && !dy) return;
+
+	if(bnstate[0]) {
+		cam_theta += dx * 0.5;
+		cam_phi += dy * 0.5;
+
+		if(cam_phi < -90) cam_phi = -90;
+		if(cam_phi > 90) cam_phi = 90;
+	}
+	if(bnstate[2]) {
+		cam_dist += dy * 0.1;
+		if(cam_dist < 0.0) cam_dist = 0.0;
+	}
+}