X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fapp.cc;fp=src%2Fapp.cc;h=1de3f891b4503ab624000c0be4eb6ffcf507c295;hb=dd39621d642e417f1e343cbf813205a658272639;hp=0000000000000000000000000000000000000000;hpb=6b808da85d32714e2587823e18e76d45039d628d;p=vrfileman

diff --git a/src/app.cc b/src/app.cc
new file mode 100644
index 0000000..1de3f89
--- /dev/null
+++ b/src/app.cc
@@ -0,0 +1,135 @@
+#include <stdio.h>
+#include <assert.h>
+#include "opengl.h"
+#include "app.h"
+#include "gmath/gmath.h"
+#include "mesh.h"
+#include "meshgen.h"
+#include "sdr.h"
+
+int win_width, win_height;
+float win_aspect;
+long time_msec;
+
+static float cam_theta, cam_phi;
+static Mesh *mesh_torus;
+
+static bool bnstate[16];
+static int prev_x, prev_y;
+
+static unsigned int sdr_grid;
+
+bool app_init(int argc, char **argv)
+{
+	if(init_opengl() == -1) {
+		return false;
+	}
+
+	glEnable(GL_MULTISAMPLE);
+
+	int aasamples = 0;
+	glGetIntegerv(GL_SAMPLES, &aasamples);
+	printf("got %d samples per pixel\n", aasamples);
+
+	glEnable(GL_CULL_FACE);
+	glEnable(GL_DEPTH_TEST);
+	//glEnable(GL_LIGHTING);
+	glEnable(GL_LIGHT0);
+
+	Mesh::use_custom_sdr_attr = false;
+
+	mesh_torus = new Mesh;
+	gen_torus(mesh_torus, 1.0, 0.25, 32, 32);
+
+	if(!(sdr_grid = create_program_load("sdr/grid.v.glsl", "sdr/grid.p.glsl"))) {
+		return false;
+	}
+
+	return true;
+}
+
+void app_cleanup()
+{
+}
+
+void app_draw()
+{
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	Mat4 view_mat;
+	view_mat.pre_rotate_x(deg_to_rad(cam_phi));
+	view_mat.pre_rotate_y(deg_to_rad(cam_theta));
+	view_mat.pre_translate(0, -1.65, 0);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadMatrixf(view_mat[0]);
+
+	//mesh_torus->draw();
+
+	Mat4 xform;
+	xform.scaling(500.0);
+	glPushMatrix();
+	glMultMatrixf(xform[0]);
+
+	bind_program(sdr_grid);
+	glBegin(GL_QUADS);
+	glNormal3f(0, 1, 0);
+	glVertex3f(-1, 0, 1);
+	glVertex3f(1, 0, 1);
+	glVertex3f(1, 0, -1);
+	glVertex3f(-1, 0, -1);
+	glEnd();
+	bind_program(0);
+
+	glPopMatrix();
+
+	app_swap_buffers();
+	assert(glGetError() == GL_NO_ERROR);
+}
+
+void app_reshape(int x, int y)
+{
+	glViewport(0, 0, x, y);
+
+	Mat4 mat;
+	mat.perspective(deg_to_rad(50), win_aspect, 0.5, 500.0);
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadMatrixf(mat[0]);
+}
+
+void app_keyboard(int key, bool pressed)
+{
+	if(pressed) {
+		switch(key) {
+		case 27:
+			app_quit();
+			break;
+		}
+	}
+}
+
+void app_mouse_button(int bn, bool pressed, int x, int y)
+{
+	bnstate[bn] = pressed;
+	prev_x = x;
+	prev_y = y;
+}
+
+void app_mouse_motion(int x, int y)
+{
+	int dx = x - prev_x;
+	int dy = y - prev_y;
+	prev_x = x;
+	prev_y = 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;
+	}
+	app_redraw();
+}